Toolkit/WCC

WCC

Multi-Component Switch·Research·Since 2011

Also known as: white collar complex

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

Summary

WCC, the white collar complex, is a light-responsive heterodimeric complex in Neurospora composed of the PAS-domain-containing proteins WC-1 and WC-2. The available evidence identifies it as a major photoreceptor and suggests a role in transcriptional regulation through zinc-finger-containing subunits.

Usefulness & Problems

Why this is useful

WCC is useful as a native fungal light-sensing switch linked to transcriptional control. The supplied evidence supports its relevance for studying how light input is coupled to gene regulatory outputs in Neurospora cells.

Problem solved

WCC helps address the problem of converting light signals into regulated transcriptional responses in Neurospora. The evidence specifically supports that it is a major photoreceptor complex and that its subunits may function as transcription factors.

Problem links

Need precise spatiotemporal control with light input

Derived

WCC, the white collar complex, is a major photoreceptor in Neurospora cells composed of the PAS-domain-containing polypeptides WC-1 and WC-2. The available evidence indicates that it is a heterodimeric light-responsive complex linked to transcriptional regulation through putative zinc-finger-mediated transcription factor activity.

Need tighter control over gene expression timing or amplitude

Derived

WCC, the white collar complex, is a major photoreceptor in Neurospora cells composed of the PAS-domain-containing polypeptides WC-1 and WC-2. The available evidence indicates that it is a heterodimeric light-responsive complex linked to transcriptional regulation through putative zinc-finger-mediated transcription factor activity.

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

transcription

Input: Light

Implementation Constraints

cofactor dependency: cofactor requirement unknownencoding mode: genetically encodedimplementation constraint: context specific validationimplementation constraint: multi component delivery burdenimplementation constraint: spectral hardware requirementoperating role: regulatorswitch architecture: multi componentswitch architecture: recruitment

The available evidence indicates that WCC consists of two components, WC-1 and WC-2, so implementation would require both polypeptides. Beyond PAS-domain content and putative zinc-finger-associated transcriptional function, the supplied sources do not describe construct design, cofactors, expression requirements, or delivery considerations.

The evidence set is narrow and does not provide quantitative performance data, action spectrum, kinetics, reversibility, or direct transcriptional assay results. The transcription factor role is presented as a suggestion based on zinc-finger presence rather than direct functional validation in the supplied text.

Validation

Cell-freeBacteriaMammalianMouseHumanTherapeuticIndep. Replication

Supporting Sources

Ranked Claims

Claim 1compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 2compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 3compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 4compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 5compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 6compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 7compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 8compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 9compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 10compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 11compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 12compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 13compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 14compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 15compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 16compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 17compositionsupports2011Source 1needs review

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2
Claim 18molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 19molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 20molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 21molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 22molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 23molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 24molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 25molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 26molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 27molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 28molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 29molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 30molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 31molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 32molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 33molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 34molecular functionsupports2011Source 1needs review

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC
Claim 35putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 36putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 37putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 38putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 39putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 40putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 41putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 42putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 43putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 44putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 45putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 46putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 47putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 48putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 49putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 50putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.
Claim 51putative functionsupports2011Source 1needs review

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.

Approval Evidence

1 source3 linked approval claimsfirst-pass slug wcc
A major photoreceptor in Neurospora cells is WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2

Source:

compositionsupports

WCC is a heterodimeric complex formed by WC-1 and WC-2.

WCC, a heterodimeric complex formed by the PAS-domain-containing polypeptides WC-1 and WC-2

Source:

molecular functionsupports

WCC is a major photoreceptor in Neurospora cells.

A major photoreceptor in Neurospora cells is WCC

Source:

putative functionsupports

The presence of zinc fingers in WC-1 and WC-2 suggests that they might function as transcription factors.

The presence of zinc fingers (the GATA-recognizing sequences) in both WC-1 and WC-2 proteins suggests that they might function as transcription factors.

Source:

Comparisons

Source-backed strengths

The complex is defined at the component level as a heterodimer of WC-1 and WC-2, and it is described as a major photoreceptor in Neurospora cells. Both subunits are noted to contain PAS domains, and the presence of zinc fingers provides a plausible structural basis for transcription-related activity.

Compared with iLID/SspB

WCC and iLID/SspB address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: heterodimerization; same primary input modality: light

Relative tradeoffs: appears more independently replicated; looks easier to implement in practice.

WCC and LITEs (Light-inducible transcriptional effectors) address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: heterodimerization; same primary input modality: light

Compared with LOVpep/ePDZb

WCC and LOVpep/ePDZb address a similar problem space because they share transcription.

Shared frame: same top-level item type; shared target processes: transcription; shared mechanisms: heterodimerization; same primary input modality: light

Relative tradeoffs: appears more independently replicated; looks easier to implement in practice.

Ranked Citations

  1. 1.
    StructuralSource 1Journal of Signal Transduction2011Claim 17Claim 2Claim 16

    Extracted from this source document.