3A0G

Crystal structure analysis of guinea pig oxyhemoglobin at 2.5 angstroms resolution

• PDB DOI: https://doi.org/10.2210/pdb3A0G/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Cavia porcellus
• Mutation(s): No 


• Deposited: 2009-03-17 Released: 2010-03-23 
• Deposition Author(s): Etti, S., Shanmugam, G., Karthe, P., Gunasekaran, K.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.220 
• R-Value Work: 0.159 
• R-Value Observed: 0.163 

Starting Model: experimental

Literature

Crystal structure analysis of guinea pig oxyhemoglobin at 2.5 angstroms resolution

Etti, S., Shanmugam, G., Karthe, P., Gunasekaran, K.

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.

Macromolecule Content

• Total Structure Weight: 32.5 kDa 
• Atom Count: 2,289 
• Modelled Residue Count: 283 
• Deposited Residue Count: 287 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A	141	Cavia porcellus	Mutation(s): 0
UniProt
Find proteins for P01947 (Cavia porcellus) Explore P01947  Go to UniProtKB:  P01947

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta	B	146	Cavia porcellus	Mutation(s): 0
UniProt
Find proteins for P02095 (Cavia porcellus) Explore P02095  Go to UniProtKB:  P02095

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.50 Å
• R-Value Free: 0.220 
• R-Value Work: 0.159 
• R-Value Observed: 0.163 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 90.37	α = 90
b = 84.217	β = 90
c = 83.26	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
MAR345	data collection
AUTOMAR	data reduction
SCALEPACK	data scaling
AMoRE	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-23 
Deposition Author(s): Etti, S., Shanmugam, G., Karthe, P., Gunasekaran, K.

Revision History  

• Version 1.0: 2010-03-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2017-10-11
  Changes: Refinement description
• Version 1.3: 2019-12-18
  Changes: Database references, Derived calculations
• Version 1.4: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description