› 5kf4

X-ray diffraction
2.5Å resolution

Crystal structure of FN3 domain (Residues P368-P466) of Human collagen XX

Released:
DOI: 10.2210/pdb5kf4/pdb
PDB entry 5kf4 coloured by chain, front view.
PDB entry 5kf4 coloured by chain, side view.
PDB entry 5kf4 coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
Crystal structure of the second fibronectin type III (FN3) domain from human collagen α1 type XX.
Zhao J, Ren J, Wang N, Cheng Z, Yang R, Lin G, Guo Y, Cai D, Xie Y, Zhao X
Acta Crystallogr F Struct Biol Commun 73 695-700 (2017)
PMID: 29199991

Function and Biology Details

Biochemical function:
  • not assigned
Biological process:
  • not assigned
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-192822 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Collagen alpha-1(XX) chain Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 100 amino acids
Theoretical weight: 10.5 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q9P218 (Residues: 368-466; Coverage: 8%)
Gene names: COL20A1, KIAA1510
Sequence domains: Fibronectin type III domain

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL17U
Spacegroup: P212121
Unit cell:
a: 56.476Å b: 78.597Å c: 81.989Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.259 0.258 0.284
Expression system: Escherichia coli

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Citations

1 review citation

The Role of the PFNA Operon of Bifidobacteria in the Recognition of Host's Immune Signals: Prospects for the Use of the FN3 Protein in the Treatment of COVID-19.
Nezametdinova et al. (2021)
3 other articles

1 mention without citation

Crystal structure of the second fibronectin type III (FN3) domain from human collagen α1 type XX.
Zhao et al. (2017)