Biological Assembly 1  

 3D View: Structure | 1D-3D View | Electron Density | Validation Report | Ligand Interaction

Global Symmetry: Cyclic - C2  (3D View)
Global Stoichiometry: Hetero 4-mer - A2B2 Pseudo Symmetry: Dihedral - D2  (3D View)
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: 4733 
• Modelled Residue Count: 572 
• Deposited Residue Count: 572 
• Unique protein chains: 2

3D4X

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.2 angstrom resolution

• PDB DOI: 10.2210/pdb3D4X/pdb

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


• Deposited: 2008-05-15 Released: 2009-05-19 
• Deposition Author(s): Balasubramanian, M., Sathya Moorthy, P., Neelagandan, K., Ponnuswamy, M.N.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.258 
• R-Value Work: 0.188 
• R-Value Observed: 0.195 

Literature

Crystal structure determination of cat (Felis silvestris catus) hemoglobin at 2.2 angstrom resolution

Balasubramanian, M., Sathya Moorthy, P., Neelagandan, K., Ponnuswamy, M.N.

To be published.

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit alpha	A, C	141	Felis catus	Mutation(s): 0  Gene Names: HBA
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  Gene Names: HBB
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: 2.20 Å
• R-Value Free: 0.258 
• R-Value Work: 0.188 
• R-Value Observed: 0.195 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.045	α = 90
b = 74.195	β = 102.8
c = 72.272	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2008-05-15 
• Released Date: 2009-05-19 
Deposition Author(s): Balasubramanian, M., Sathya Moorthy, P., Neelagandan, K., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2009-05-19
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2016-12-21
  Changes: Other
• Version 1.3: 2019-12-18
  Changes: Derived calculations