9E7Q | pdb_00009e7q

Structure of a coiled-coil peptide from C. elegans EDC4

PDB DOI: https://doi.org/10.2210/pdb9E7Q/pdb

Classification: GENE REGULATION
Organism(s): Caenorhabditis elegans
Expression System: Escherichia coli
Mutation(s): No

Deposited: 2024-11-04 Released: 2025-11-12
Deposition Author(s): Valkov, E.
Funding Organization(s): National Institutes of Health/National Cancer Institute (NIH/NCI)

Experimental Data Snapshot

Method: X-RAY DIFFRACTION
Resolution: 1.42 Å
R-Value Free:
0.170 (Depositor), 0.164 (DCC)
R-Value Work:
0.148 (Depositor), 0.153 (DCC)
R-Value Observed:
0.149 (Depositor)

Starting Model: in silico
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wwPDB Validation 3D Report Full Report

This is version 1.0 of the entry. See complete history.

Literature

Structure of a coiled-coil peptide from C. elegans EDC4

Valkov, E.

To be published.

Macromolecule Content

Total Structure Weight: 7.45 kDa
Atom Count: 443
Modeled Residue Count: 50
Deposited Residue Count: 66
Unique protein chains: 1

Macromolecules

Find similar proteins by:

(by identity cutoff) | 3D Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
FHA domain-containing protein	A, B	33	Caenorhabditis elegans	Mutation(s): 0 Gene Names: edc-4, CELE_Y44E3A.6, Y44E3A.6
UniProt
Find proteins for Q8ITV7 (Caenorhabditis elegans) Explore Q8ITV7 Go to UniProtKB: Q8ITV7
Entity Groups
Sequence Clusters	30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt Group	Q8ITV7
Sequence Annotations Expand
Reference Sequence

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram	3D Interactions
SO4 Query on SO4 Download Ideal Coordinates CCD File SDF format, chain C [auth B] MOL2 format, chain C [auth B] mmCIF format, chain C [auth B]	C [auth B]	SULFATE ION O₄ S QAOWNCQODCNURD-UHFFFAOYSA-L		Interactions Focus chain C [auth B] Interactions & Density Focus chain C [auth B]

Experimental Data & Validation

Experimental Data

Method: X-RAY DIFFRACTION
Resolution: 1.42 Å
R-Value Free: 0.170 (Depositor), 0.164 (DCC)
R-Value Work: 0.148 (Depositor), 0.153 (DCC)
R-Value Observed: 0.149 (Depositor)

Space Group: P 4₁ 3 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 76.564	α = 90
b = 76.564	β = 90
c = 76.564	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
Aimless	data scaling
PHASER	phasing

Structure Validation

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Entry History & Funding Information

Deposition Data

Released Date: 2025-11-12

Deposition Author(s):

Funding Organization	Location	Grant Number
National Institutes of Health/National Cancer Institute (NIH/NCI)	United States	--

Revision History (Full details and data files)

Version 1.0: 2025-11-12
Type: Initial release

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.