3MJP

Crystal structure determination of Japanese quail (Coturnix coturnix japonica) hemoglobin at 2.76 Angstrom resolution

• PDB DOI: https://doi.org/10.2210/pdb3MJP/pdb

• Classification: OXYGEN STORAGE, OXYGEN TRANSPORT
• Organism(s): Coturnix japonica
• Mutation(s): No 


• Deposited: 2010-04-13 Released: 2010-12-08 
• Deposition Author(s): Thenmozhi, M., Sathya Moorthy, P., Balasubramanian, M., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.287 
• R-Value Work: 0.265 
• R-Value Observed: 0.268 

Literature

Crystal structure determination of Japanese quail (Coturnix coturnix japonica) hemoglobin at 2.76 Angstrom resolution

Thenmozhi, M., Sathya Moorthy, P., Balasubramanian, M., 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: 65.68 kDa 
• Atom Count: 4,661 
• 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	A, C	141	Coturnix japonica	Mutation(s): 0
UniProt
Find proteins for P24589 (Coturnix japonica) Explore P24589  Go to UniProtKB:  P24589

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin subunit beta	B, D	146	Coturnix japonica	Mutation(s): 0
UniProt
Find proteins for P30893 (Coturnix japonica) Explore P30893  Go to UniProtKB:  P30893

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.76 Å
• R-Value Free: 0.287 
• R-Value Work: 0.265 
• R-Value Observed: 0.268 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 62.09	α = 90
b = 97.434	β = 123.1
c = 61.705	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: 2010-12-08 
Deposition Author(s): Thenmozhi, M., Sathya Moorthy, P., Balasubramanian, M., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2010-12-08
  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: 2024-03-20
  Changes: Data collection, Database references, Derived calculations