2QLS

crystal structure of hemoglobin from dog (Canis familiaris) at 3.5 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb2QLS/pdb

• Classification: TRANSPORT PROTEIN
• Organism(s): Canis lupus familiaris
• Mutation(s): No 


• Deposited: 2007-07-13 Released: 2008-07-22 
• Deposition Author(s): Packianathan, C., Sundaresan, S., Palani, K., Neeelagandan, K., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 3.50 Å
• R-Value Free: 0.293 
• R-Value Work: 0.199 
• R-Value Observed: 0.203 

Literature

Purification, Crystallization and Crystal structure analysis of hemoglobin from Dog (Canis familiaris)

Packianathan, C., Sundaresan, S., Palani, K., Neeelagandan, K., Ponnuswamy, M.N.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

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

Biological Assembly 2  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Hetero 2-mer - A1B1 Pseudo Symmetry: Cyclic - C2  (Explore in 3D)
Pseudo Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 64.99 kDa 
• Atom Count: 4,588 
• Modelled 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	A, C	141	Canis lupus familiaris	Mutation(s): 0
UniProt
Find proteins for P60529 (Canis lupus familiaris) Explore P60529  Go to UniProtKB:  P60529

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta	B, D	146	Canis lupus familiaris	Mutation(s): 0
UniProt
Find proteins for P60524 (Canis lupus familiaris) Explore P60524  Go to UniProtKB:  P60524

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: 3.50 Å
• R-Value Free: 0.293 
• R-Value Work: 0.199 
• R-Value Observed: 0.203 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 54.09	α = 90
b = 88.49	β = 105.72
c = 66.37	γ = 90

Software Package:

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

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-07-22 
Deposition Author(s): Packianathan, C., Sundaresan, S., Palani, K., Neeelagandan, K., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2008-07-22
  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