3GQP

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.0 angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb3GQP/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.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.298 
• R-Value Work: 0.248 
• R-Value Observed: 0.253 

Starting Model: experimental

Literature

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2 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)

Macromolecule Content

• Total Structure Weight: 64.91 kDa 
• Atom Count: 4,793 
• Modelled Residue Count: 572 
• Deposited Residue Count: 572 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C	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	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	E [auth A], F [auth B], G [auth C], H [auth D]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.00 Å
• R-Value Free: 0.298 
• R-Value Work: 0.248 
• R-Value Observed: 0.253 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 55.507	α = 90
b = 73.217	β = 103.38
c = 70.38	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