8HHI | pdb_00008hhi

Crystal structure of a triple-helix region of human collagen type III

• PDB DOI: https://doi.org/10.2210/pdb8HHI/pdb

• Classification: BIOSYNTHETIC PROTEIN
• Organism(s): Homo sapiens
• Expression System: synthetic construct
• Mutation(s): No 


• Deposited: 2022-11-16 Released: 2023-01-18 
• Deposition Author(s): Yan, Z.C., Zhang, D., Qin, B.
• Funding Organization(s): Other private

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.40 Å
• R-Value Free: 
  0.209 (Depositor), 0.209 (DCC) 
• R-Value Work: 
  0.156 (Depositor), 0.157 (DCC) 
• R-Value Observed: 
  0.161 (Depositor) 

Literature

Crystal structure of a triple-helix region of human collagen type III

Yan, Z.C., Zhang, D., Qin, B.

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: gel filtration

Macromolecule Content 

• Total Structure Weight: 8.74 kDa 
• Atom Count: 743 
• Modeled Residue Count: 90 
• Deposited Residue Count: 90 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
human collagen type III	A, B, C	30	Homo sapiens	Mutation(s): 0

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: 1.40 Å
• R-Value Free:  0.209 (Depositor), 0.209 (DCC) 
• R-Value Work:  0.156 (Depositor), 0.157 (DCC) 
• R-Value Observed: 0.161 (Depositor) 

Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 23.728	α = 90
b = 94.646	β = 90
c = 56.843	γ = 90

Software Package:

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

Structure Validation

Entry History 

& Funding Information

Deposition Data

• Released Date: 2023-01-18 
Deposition Author(s): Yan, Z.C., Zhang, D., Qin, B.

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Funding Organization	Location	Grant Number
Other private		--

Revision History  

• Version 1.0: 2023-01-18
  Type: Initial release