Toolkit/de novo tripeptides containing glycine, tyrosine, and lysine

de novo tripeptides containing glycine, tyrosine, and lysine

Multi-Component Switch·Research·Since 2019

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

Summary

De novo tripeptides composed of glycine, tyrosine, and lysine were reported to generate cyan fluorescence in vitro. The same study further indicates that amino acid identity and residue order modulate the fluorescent output, and that these peptides form robust dimer structures under moderate oxidizing conditions.

Usefulness & Problems

Why this is useful

These tripeptides are useful as a minimal peptide-based fluorescent system for studying how very short sequences can encode optical output. The reported sensitivity of fluorescence to residue identity and sequence also makes them a compact model for probing sequence–function relationships in de novo peptides.

Source:

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine

Problem solved

This work addresses the problem of generating cyan fluorescence from an extremely small, de novo peptide scaffold rather than a larger canonical fluorescent protein. It also helps dissect how single-residue composition and sequence order influence fluorescence in such minimal systems.

Taxonomy & Function

Primary hierarchy

Mechanism Branch

Architecture: A composed arrangement of multiple parts that instantiates one or more mechanisms.

Techniques

No technique tags yet.

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: actuatorswitch architecture: multi componentswitch architecture: recruitment

The reported observations were made in vitro, and dimer formation was observed under moderate oxidizing conditions. Beyond the peptide composition of glycine, tyrosine, and lysine, the supplied evidence does not specify construct formats, delivery methods, expression systems, or cofactor requirements.

The available evidence is limited to a single in vitro study and does not provide quantitative performance metrics such as excitation/emission maxima, brightness, quantum yield, or photostability. No evidence is provided here for cellular validation, in vivo function, or generalizability beyond the tested tripeptide variants.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 2functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 3functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 4functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 5functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 6functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 7functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 8functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 9functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 10functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 11functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 12functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 13functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 14functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 15functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 16functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 17functional propertysupports2019Source 1needs review

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine
Claim 18sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 19sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 20sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 21sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 22sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 23sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 24sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 25sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 26sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 27sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 28sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 29sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 30sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 31sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 32sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 33sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 34sequence function relationshipsupports2019Source 1needs review

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.
Claim 35structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 36structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 37structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 38structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 39structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 40structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 41structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 42structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 43structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 44structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 45structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 46structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 47structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 48structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 49structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 50structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions
Claim 51structural propertysupports2019Source 1needs review

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions

Approval Evidence

1 source3 linked approval claimsfirst-pass slug de-novo-tripeptides-containing-glycine-tyrosine-and-lysine
Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine

Source:

functional propertysupports

De novo tripeptides containing glycine, tyrosine, and lysine can generate cyan fluorescence.

Herein, we report an innovative approach to obtain cyan fluorescence by using de novo tripeptides containing glycine, tyrosine, and lysine

Source:

sequence function relationshipsupports

Both amino acid identity and sequence play significant roles in modulating fluorescence in the studied tripeptides.

Through an in vitro mutation approach, we deduce that both the amino acids and their sequence play significant roles in modulating the fluorescence.

Source:

structural propertysupports

The de novo tripeptides containing glycine, tyrosine, and lysine form robust dimer structures under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine, which form robust dimer structures under moderate oxidizing conditions

Source:

Comparisons

Source-backed strengths

The reported tool is notable for achieving cyan fluorescence with only three amino acids: glycine, tyrosine, and lysine. The source study also reports that fluorescence is tunable by amino acid identity and sequence, and that the peptides form robust dimers under moderate oxidizing conditions.

de novo tripeptides containing glycine, tyrosine, and lysine and Cry2-Cib photodimerizing pair address a similar problem space.

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

Strengths here: looks easier to implement in practice.

Compared with optoPAK1

de novo tripeptides containing glycine, tyrosine, and lysine and optoPAK1 address a similar problem space.

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

Strengths here: looks easier to implement in practice.

Compared with Opto-RhoGEFs

de novo tripeptides containing glycine, tyrosine, and lysine and Opto-RhoGEFs 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 1ChemBioChem2019Claim 17Claim 15Claim 15

    Extracted from this source document.