4YU3

The crystal structure of mongoose (Helogale parvula) hemoglobin at pH 8.2

• PDB DOI: https://doi.org/10.2210/pdb4YU3/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Helogale parvula
• Mutation(s): No 


• Deposited: 2015-03-18 Released: 2015-09-23 
• Deposition Author(s): Abubakkar, M.M., Maheshwaran, V., Ponnuswamy, M.N.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.298 
• R-Value Work: 0.264 
• R-Value Observed: 0.267 

Literature

The crystal structure of mongoose (Helogale parvula) hemoglobin at pH 8.2

Abubakkar, M.M., Maheshwaran, V., 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.

Macromolecule Content

• Total Structure Weight: 32.59 kDa 
• Atom Count: 2,377 
• Modelled Residue Count: 287 
• Deposited Residue Count: 287 
• Unique protein chains: 2

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
hemoglobin	A	141	Helogale parvula	Mutation(s): 0
UniProt
Find proteins for A0A0R4I977 (Helogale parvula) Explore A0A0R4I977  Go to UniProtKB:  A0A0R4I977

Entity ID: 2
Molecule	Chains	Sequence Length	Organism	Details	Image
hemoglobin	B	146	Helogale parvula	Mutation(s): 0
UniProt
Find proteins for A0A0R4I978 (Helogale parvula) Explore A0A0R4I978  Go to UniProtKB:  A0A0R4I978

Small Molecules

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

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.45 Å
• R-Value Free: 0.298 
• R-Value Work: 0.264 
• R-Value Observed: 0.267 
• Space Group: C 1 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 86.038	α = 90
b = 88.947	β = 115.39
c = 55.6	γ = 90

Software Package:

Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2015-09-23 
Deposition Author(s): Abubakkar, M.M., Maheshwaran, V., Ponnuswamy, M.N.

Revision History  

• Version 1.0: 2015-09-23
  Type: Initial release
  
• Version 1.1: 2019-12-11
  Changes: Derived calculations
• Version 1.2: 2024-03-20
  Changes: Data collection, Database references, Derived calculations