3K8B | pdb_00003k8b

Crystal structure of Turkey (Meleagiris gallopova)hemoglobin at 2.3 Angstrom

• PDB DOI: https://doi.org/10.2210/pdb3K8B/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Meleagris gallopavo
• Mutation(s): No 


• Deposited: 2009-10-14 Released: 2009-12-22 
• Deposition Author(s): Ramesh, P., Sundaresan, S.S., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.30 Å
• R-Value Free: 
  0.311 (Depositor), 0.316 (DCC) 
• R-Value Work: 
  0.264 (Depositor), 0.279 (DCC) 
• R-Value Observed: 
  0.267 (Depositor) 

Starting Model: experimental

Re-refinement Note

A newer entry is available that reflects an alternative modeling of the original data: 6ZMX 6ZMY

Literature

Crystal structure of Turkey (Meleagiris gallopova)hemoglobin at 2.3 Angstrom

Ramesh, P., Sundaresan, S.S., 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: 65.8 kDa 
• Atom Count: 4,789 
• Modeled 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	Meleagris gallopavo	Mutation(s): 0
UniProt
Find proteins for P81023 (Meleagris gallopavo) Explore P81023  Go to UniProtKB:  P81023

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
Hemoglobin beta chain	B, D	146	Meleagris gallopavo	Mutation(s): 0
UniProt
Find proteins for P84479 (Meleagris gallopavo) Explore P84479  Go to UniProtKB:  P84479

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: 2.30 Å
• R-Value Free:  0.311 (Depositor), 0.316 (DCC) 
• R-Value Work:  0.264 (Depositor), 0.279 (DCC) 
• R-Value Observed: 0.267 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 56.999	α = 90
b = 79.515	β = 96.05
c = 64.385	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: 2009-12-22 
Deposition Author(s): Ramesh, P., Sundaresan, S.S., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2009-12-22
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-11-01
  Changes: Data collection, Database references, Derived calculations, Refinement description