Toolkit/reverse cross-saturation NMR methodology

reverse cross-saturation NMR methodology

Assay Method·Research·Since 2012

Also known as: cross-saturation NMR experiments, reverse methodology

Taxonomy: Technique Branch / Method. Workflows sit above the mechanism and technique branches rather than replacing them.

Summary

Reverse cross-saturation NMR methodology is an NMR assay approach that maps the binding interface on a larger binding partner by applying selective radio-frequency irradiation to a smaller binding partner. In the cited study, irradiation of the αIIb peptide enabled detection of the interaction surface on Ca2+-bound CIB1.

Usefulness & Problems

Why this is useful

This methodology is useful for defining protein-peptide interaction surfaces when the larger partner is the interface-mapped species. The source study further states that it has broad potential for complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

Source:

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1

Problem solved

It addresses the problem of identifying the binding interface on a larger protein within a heteromeric complex by reversing the usual cross-saturation irradiation scheme and irradiating the smaller partner instead. The demonstrated case involved the αIIb peptide and Ca2+-CIB1.

Taxonomy & Function

Primary hierarchy

Technique Branch

Method: A concrete measurement method used to characterize an engineered system.

Target processes

No target processes tagged yet.

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenoperating role: sensorswitch architecture: multi componentswitch architecture: recruitment

The demonstrated implementation used selective radio-frequency irradiation of the smaller binding partner, specifically the αIIb peptide, in an NMR cross-saturation experiment. The source indicates applicability to complexes containing synthetic peptides and suitably isotope-labeled medium- to large-sized proteins; no additional construct, buffer, or instrument parameters are provided here.

The supplied evidence is limited to a single reported application in the αIIb peptide-Ca2+-CIB1 complex and a general statement of potential broader use. No comparative performance metrics, sensitivity limits, or independent replication are provided in the supplied evidence.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 2method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 3method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 4method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 5method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 6method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 7method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 8method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 9method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 10method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 11method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 12method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 13method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 14method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 15method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 16method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 17method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 18method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 19method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 20method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 21method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 22method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 23method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 24method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 25method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 26method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 27method capabilitysupports2012Source 1needs review

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1
Claim 28method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 29method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 30method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 31method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 32method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 33method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 34method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 35method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 36method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 37method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 38method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 39method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 40method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 41method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 42method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 43method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 44method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 45method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 46method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 47method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 48method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 49method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 50method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 51method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 52method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 53method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.
Claim 54method generalizabilitysupports2012Source 1needs review

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.

Approval Evidence

1 source2 linked approval claimsfirst-pass slug reverse-cross-saturation-nmr-methodology
in the NMR cross-saturation experiments, we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1

Source:

method capabilitysupports

A reverse cross-saturation NMR methodology can detect the binding interface on a larger binding partner by selectively irradiating the smaller binding partner.

we applied the selective radio frequency irradiation to the smaller binding partner (the αIIb peptide), and successfully detected the binding interface on the larger binding partner Ca(2+)-CIB1

Source:

method generalizabilitysupports

The reverse cross-saturation methodology has broad potential for studying other complexes involving synthetic peptides and suitably isotope-labeled medium- to large-sized proteins.

This 'reverse' methodology has a broad potential to be employed to many other complexes where synthetic peptides and a suitably isotope-labeled medium- to large-sized protein are used to study protein-protein interactions.

Source:

Comparisons

Source-backed strengths

The method was reported to successfully detect the binding interface on the larger partner, Ca2+-CIB1, upon selective irradiation of the smaller αIIb peptide. The source also claims broader applicability to other complexes containing synthetic peptides and isotope-labeled medium- to large-sized proteins.

reverse cross-saturation NMR methodology and electron-transfer/higher-energy collision dissociation address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: heterodimerization

Strengths here: looks easier to implement in practice.

reverse cross-saturation NMR methodology and higher-energy collisional dissociation address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: heterodimerization

reverse cross-saturation NMR methodology and top-down mass spectrometry address a similar problem space.

Shared frame: same top-level item type; shared mechanisms: heterodimerization

Strengths here: looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Journal of the American Chemical Society2012Claim 27Claim 27Claim 25

    Seeded from load plan for claim c4. Extracted from this source document.