› 2zpo

X-ray diffraction
1.6Å resolution

Crystal Structure of Green Turtle Egg White Ribonuclease

Released:
DOI: 10.2210/pdb2zpo/pdb
PDB entry 2zpo coloured by chain, front view.
PDB entry 2zpo coloured by chain, side view.
PDB entry 2zpo coloured by chain, top view.
Source organism: Chelonia mydas
Entry authors: Katekaew S, Kakuta Y, Torikata T, Kimura M, Yoneda K, Araki T

Function and Biology Details

Reaction catalysed: 
(1a) an (RNA) containing cytidine = an (RNA)-3'-cytidine-2',3'-cyclophosphate + a 5'-hydroxy-ribonucleotide-3'-(RNA)
Biochemical function:
Biological process:
Cellular component:
Sequence domains:

Structure analysis Details

Assemblies composition:
monomeric (preferred)
homo dimer
Assembly name:
PDBe Complex ID:
PDB-CPX-160916 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Ribonuclease Chain: A
Molecule details ›
Chain: A
Length: 119 amino acids
Theoretical weight: 12.99 KDa
Source organism: Chelonia mydas
UniProt:
  • Canonical: P84844 (Residues: 1-119; Coverage: 100%)
Sequence domains: Pancreatic ribonuclease
Structure domains: Ribonuclease A-like domain

Ligands and Environments

2 bound ligands:
Ligand SO4 5 x SO4
Ligand GOL 7 x GOL
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL38B1
Spacegroup: C2
Unit cell:
a: 86.271Å b: 34.174Å c: 39.738Å
α: 90° β: 102.03° γ: 90°
R-values:
R R work R free
0.186 0.183 0.247

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