2RAO | pdb_00002rao

X ray crystal structure of rabbit hemoglobin (oxy form) at 2.0 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb2RAO/pdb

• Classification: OXYGEN BINDING
• Organism(s): Oryctolagus cuniculus
• Mutation(s): No 


• Deposited: 2007-09-17 Released: 2008-09-09 
• Deposition Author(s): Sundaresan, S., Packianathan, C., Neelagandan, K., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 
  0.219 (Depositor), 0.180 (DCC) 
• R-Value Work: 
  0.171 (Depositor), 0.170 (DCC) 
• R-Value Observed: 
  0.174 (Depositor) 

Literature

X-ray crystal structure determination of hemoglobin from rabbit at 2.0 angstrom resloution

Sundaresan, S., Packianathan, C., Neelagandan, K., Ponnuswamy, M.N.

To be published.

Biological Assembly 1  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (Explore in 3D)
Pseudo Stoichiometry: Homo 4-mer - A4 

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

Macromolecule Content 

• Total Structure Weight: 65.61 kDa 
• Atom Count: 4,833 
• Modeled Residue Count: 574 
• Deposited Residue Count: 574 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha-1/2	A, C	141	Oryctolagus cuniculus	Mutation(s): 0
UniProt
Find proteins for P01948 (Oryctolagus cuniculus) Explore P01948  Go to UniProtKB:  P01948

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta-1/2	B, D	146	Oryctolagus cuniculus	Mutation(s): 0
UniProt
Find proteins for P02057 (Oryctolagus cuniculus) Explore P02057  Go to UniProtKB:  P02057

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	E [auth A], G [auth B], J [auth C], L [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
OXY	F [auth A], H [auth B], I [auth C], K [auth D]	OXYGEN MOLECULE O2 MYMOFIZGZYHOMD-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free:  0.219 (Depositor), 0.180 (DCC) 
• R-Value Work:  0.171 (Depositor), 0.170 (DCC) 
• R-Value Observed: 0.174 (Depositor) 

Space Group: P 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.608	α = 67.23
b = 54.862	β = 66.35
c = 64.021	γ = 60.68

Software Package:

Software Name	Purpose
REFMAC	refinement
AUTOMAR	data reduction
PHASES	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-09 
Deposition Author(s): Sundaresan, S., Packianathan, C., Neelagandan, K., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2008-09-09
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2015-10-14
  Changes: Structure summary
• Version 1.3: 2024-03-13
  Changes: Data collection, Database references, Derived calculations