› 1joj

X-ray diffraction
3Å resolution

CONCANAVALIN A-HEXAPEPTIDE COMPLEX

Released:
DOI: 10.2210/pdb1joj/pdb
PDB entry 1joj coloured by chain, front view.
PDB entry 1joj coloured by chain, side view.
PDB entry 1joj coloured by chain, top view.
Source organisms:
Primary publication:
Enhanced binding of a rationally designed peptide ligand of concanavalin a arises from improved geometrical complementarity.
Jain D, Kaur KJ, Salunke DM
Biochemistry 40 12059-66 (2001)
PMID: 11580281

Function and Biology Details

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

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-157354 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Concanavalin-Br Chains: A, B, C, D
Molecule details ›
Chains: A, B, C, D
Length: 237 amino acids
Theoretical weight: 25.62 KDa
Source organism: Canavalia ensiformis
UniProt:
  • Canonical: P55915 (Residues: 1-237; Coverage: 100%)
Sequence domains: Legume lectin domain
Structure domains: Jelly Rolls
HEXAPEPTIDE Chains: P, Q, R, S
Molecule details ›
Chains: P, Q, R, S
Length: 8 amino acids
Theoretical weight: 946 Da
Source organism: synthetic construct
Expression system: Not provided

Ligands and Environments

2 bound ligands:
Ligand MN 4 x MN
Ligand CA 4 x CA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2221
Unit cell:
a: 102.685Å b: 118.384Å c: 253.593Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.186 0.186 0.231
Expression system: Not provided

Quick links

Citations

3 review citations

Carbohydrate-mimetic peptides for pan anti-tumor responses.
Kieber-Emmons et al. (2014)
2 more

1 mention without citation

A score of the ability of a three-dimensional protein model to retrieve its own sequence as a quantitative measure of its quality and appropriateness.
Martínez-Castilla et al. (2010)