› 2aos

X-ray diffraction
2.9Å resolution

Protein-protein Interactions of protective signalling factor: Crystal structure of ternary complex involving signalling protein from goat (SPG-40), tetrasaccharide and a tripeptide Trp-pro-Trp at 2.9 A resolution

Released:
DOI: 10.2210/pdb2aos/pdb
PDB entry 2aos coloured by chain, front view.
PDB entry 2aos coloured by chain, side view.
PDB entry 2aos coloured by chain, top view.
Source organism: Capra hircus
Entry authors: Kumar J, Ethayathulla AS, Srivastava DB, Somvanshi RK, Singh N, Sharma S, Dey S, Bhushan A, Kaur P, Singh TP

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (4 distinct):
Chitinase-3-like protein 1 Chain: A
Molecule details ›
Chain: A
Length: 361 amino acids
Theoretical weight: 40.73 KDa
Source organism: Capra hircus
UniProt:
  • Canonical: Q8SPQ0 (Residues: 22-383; Coverage: 100%)
Gene name: CHI3L1
Sequence domains: Glycosyl hydrolases family 18
Structure domains:
Trp-Pro-Trp tripeptide Chain: D
Molecule details ›
Chain: D
Length: 3 amino acids
Theoretical weight: 488 Da
Source organism: Capra hircus
Expression system: Not provided

Ligands and Environments

Carbohydrate polymer : NEW Components: NAG
Carbohydrate polymer
Carbohydrate polymer : NEW Components: NAG, NDG, MAN
Carbohydrate polymer
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU300
Spacegroup: P212121
Unit cell:
a: 62.871Å b: 66.512Å c: 107.623Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.195 0.192 0.239
Expression system: Not provided

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