› 1vbw

X-ray diffraction
0.93Å resolution

Crystal Structure of Bitter Gourd Trypsin Inhibitor

Released:
DOI: 10.2210/pdb1vbw/pdb
PDB entry 1vbw coloured by chain, front view.
PDB entry 1vbw coloured by chain, side view.
PDB entry 1vbw coloured by chain, top view.
Source organism: Momordica charantia
Entry authors: Suto K, Furuichi M, Nishimoto E, Meno K, Horii K, Mizuno H

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-181693 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Trypsin inhibitor BGIT Chain: A
Molecule details ›
Chain: A
Length: 68 amino acids
Theoretical weight: 7.36 KDa
Source organism: Momordica charantia
UniProt:
  • Canonical: Q7M1Q1 (Residues: 1-68; Coverage: 100%)
Sequence domains: Potato inhibitor I family
Structure domains: Trypsin Inhibitor V, subunit A

Ligands and Environments

3 bound ligands:
Ligand K 1 x K
Ligand NA 2 x NA
Ligand TLA 1 x TLA
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: PHOTON FACTORY BEAMLINE AR-NW12A
Spacegroup: P1
Unit cell:
a: 22.662Å b: 23.023Å c: 27.685Å
α: 92.05° β: 100.11° γ: 101.8°
R-values:
R R work R free
0.114 0.114 0.143

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