2ZPO

Crystal Structure of Green Turtle Egg White Ribonuclease

• PDB DOI: https://doi.org/10.2210/pdb2ZPO/pdb

• Classification: HYDROLASE
• Organism(s): Chelonia mydas
• Mutation(s): No 


• Deposited: 2008-07-25 Released: 2008-08-19 
• Deposition Author(s): Katekaew, S., Kakuta, Y., Torikata, T., Kimura, M., Yoneda, K., Araki, T.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.247 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 

Literature

Crystal Structure of Newly Found Green Turtle Egg White Ribonuclease

Katekaew, S., Kakuta, Y., Torikata, T., Kimura, M., Yoneda, K., Araki, T.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PQS (software)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 14.11 kDa 
• Atom Count: 1,176 
• Modelled Residue Count: 119 
• Deposited Residue Count: 119 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Ribonuclease	A	119	Chelonia mydas	Mutation(s): 0  EC: 3.1.27.5
UniProt
Find proteins for P84844 (Chelonia mydas) Explore P84844  Go to UniProtKB:  P84844

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
SO4	B [auth A], C [auth A], D [auth A], E [auth A], F [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
GOL	G [auth A], H [auth A], I [auth A], J [auth A], K [auth A], L [auth A], M [auth A]	GLYCEROL C3 H8 O3 PEDCQBHIVMGVHV-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Free: 0.247 
• R-Value Work: 0.183 
• R-Value Observed: 0.186 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.271	α = 90
b = 34.174	β = 102.03
c = 39.738	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-08-19 
Deposition Author(s): Katekaew, S., Kakuta, Y., Torikata, T., Kimura, M., Yoneda, K., Araki, T.

Revision History  

• Version 1.0: 2008-08-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Derived calculations, Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description