3GQR

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.4 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb3GQR/pdb

• Classification: Oxygen storage, Oxygen transport
• Organism(s): Felis catus
• Mutation(s): No 


• Deposited: 2009-03-24 Released: 2010-03-02 
• Deposition Author(s): Balasubramanian, M., Sathya Moorthy, P., Neelagandan, K., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.307 
• R-Value Work: 0.225 
• R-Value Observed: 0.233 

Literature

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.4 angstrom resolution

Balasubramanian, M., Sathya Moorthy, P., 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)

Biological Assembly 2  

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 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 129.81 kDa 
• Atom Count: 9,392 
• Modelled Residue Count: 1,144 
• Deposited Residue Count: 1,144 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C, E, G	141	Felis catus	Mutation(s): 0
UniProt
Find proteins for P07405 (Felis catus) Explore P07405  Go to UniProtKB:  P07405

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta-A/B	B, D, F, H	145	Felis catus	Mutation(s): 0
UniProt
Find proteins for P07412 (Felis catus) Explore P07412  Go to UniProtKB:  P07412

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	I [auth A], J [auth B], K [auth C], L [auth D], M [auth E], N [auth F], O [auth G], P [auth H]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.40 Å
• R-Value Free: 0.307 
• R-Value Work: 0.225 
• R-Value Observed: 0.233 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.788	α = 90
b = 94.053	β = 90
c = 142.252	γ = 90

Software Package:

Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
AUTOMAR	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-03-02 
Deposition Author(s): Balasubramanian, M., Sathya Moorthy, P., Neelagandan, K., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2010-03-02
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2018-06-20
  Changes: Data collection, Database references, Structure summary
• Version 1.3: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description