7XAN

Structure of a triple-helix region of human collagen type III from Trautec

• PDB DOI: https://doi.org/10.2210/pdb7XAN/pdb

• Classification: STRUCTURAL PROTEIN
• Organism(s): Homo sapiens
• Mutation(s): No 


• Deposited: 2022-03-18 Released: 2022-04-06 
• Deposition Author(s): Qian, S., Li, H., Fan, X., Tian, X., Li, J., Wang, L., Chu, Y.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.200 
• R-Value Work: 0.167 

Starting Model: experimental

Literature

Structure of a triple-helix region of human collagen type III from Trautec

Qian, S., Li, H., Fan, X., Tian, X., Li, J., Wang, L., Chu, Y.

To be published.

Biological Assembly 1  

Global Symmetry: Helical - H  (Explore in 3D)
Global Stoichiometry: Homo 3-mer - A3 

Biological assembly 1 assigned by authors and generated by PISA (software)

Biological Assembly Evidence: homology

Macromolecule Content

• Total Structure Weight: 7.3 kDa 
• Atom Count: 575 
• Modelled Residue Count: 78 
• Deposited Residue Count: 81 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Collagen alpha-1(III) chain	A, B, C	27	Homo sapiens	Mutation(s): 0
UniProt & NIH Common Fund Data Resources
Find proteins for P02461 (Homo sapiens) Explore P02461  Go to UniProtKB:  P02461
PHAROS:  P02461 GTEx:  ENSG00000168542

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
HYP	A, B, C	L-PEPTIDE LINKING	C5 H9 N O3		PRO

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.50 Å
• R-Value Free: 0.200 
• R-Value Work: 0.167 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 15.783	α = 90
b = 19.439	β = 93.77
c = 83.164	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2022-04-06 
Deposition Author(s): Qian, S., Li, H., Fan, X., Tian, X., Li, J., Wang, L., Chu, Y.

Revision History  

• Version 1.0: 2022-04-06
  Type: Initial release
  
• Version 1.1: 2023-06-21
  Changes: Database references, Derived calculations, Structure summary
• Version 1.2: 2023-11-29
  Changes: Data collection, Refinement description