› 2qn4

X-ray diffraction
1.8Å resolution

Structure and function study of rice bifunctional alpha-amylase/subtilisin inhibitor from Oryza sativa

Released:
DOI: 10.2210/pdb2qn4/pdb
PDB entry 2qn4 coloured by chain, front view.
PDB entry 2qn4 coloured by chain, side view.
PDB entry 2qn4 coloured by chain, top view.
Source organism: Oryza sativa Japonica Group
Entry authors: Peng WY, Lin YH, Huang YC, Guan HH, Hsieh YC, Chen CJ

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-151465 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alpha-amylase/subtilisin inhibitor Chains: A, B
Molecule details ›
Chains: A, B
Length: 200 amino acids
Theoretical weight: 21.44 KDa
Source organism: Oryza sativa Japonica Group
UniProt:
  • Canonical: P29421 (Residues: 1-200; Coverage: 100%)
Gene names: LOC_Os04g44470, OSJNBa0038O10.14, Os04g0526600, RASI
Sequence domains: Trypsin and protease inhibitor
Structure domains: Trefoil (Acidic Fibroblast Growth Factor, subunit A)

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSRRC BEAMLINE BL13B1
Spacegroup: P21212
Unit cell:
a: 79.988Å b: 62.949Å c: 66.696Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.206 0.206 0.21

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