1MBO | pdb_00001mbo

Structure and refinement of oxymyoglobin at 1.6 angstroms resolution

• PDB DOI: https://doi.org/10.2210/pdb1MBO/pdb

• Classification: OXYGEN STORAGE
• Organism(s): Physeter macrocephalus
• Mutation(s): No 


• Deposited: 1981-08-27 Released: 1982-02-03 
• Deposition Author(s): Phillips, S.E.V.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Work: 
  0.180 (DCC) 

Literature

Structure and refinement of oxymyoglobin at 1.6 A resolution.

Phillips, S.E.

(1980) J Mol Biology 142: 531-554

• PubMed: 7463482 
• DOI: https://doi.org/10.1016/0022-2836(80)90262-4
• Primary Citation of Related Structures:  
  1MBO

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content 

• Total Structure Weight: 17.98 kDa 
• Atom Count: 1,611 
• Modeled Residue Count: 153 
• Deposited Residue Count: 153 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
MYOGLOBIN	A	153	Physeter macrocephalus	Mutation(s): 0  EC: 1.11.1 (UniProt), 1.7 (UniProt)
UniProt
Find proteins for P02185 (Physeter macrocephalus) Explore P02185  Go to UniProtKB:  P02185

Small Molecules

Ligands 3 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HEM	C [auth A]	PROTOPORPHYRIN IX CONTAINING FE C34 H32 Fe N4 O4 KABFMIBPWCXCRK-RGGAHWMASA-L
SO4	B [auth A]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L
OXY	D [auth A]	OXYGEN MOLECULE O2 MYMOFIZGZYHOMD-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.60 Å
• R-Value Work:  0.180 (DCC) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 64.53	α = 90
b = 31.05	β = 105.79
c = 34.93	γ = 90

Software Package:

Software Name	Purpose
CONSTRAINED	refinement

Structure Validation

Entry History 

Deposition Data

• Released Date: 1982-02-03 
Deposition Author(s): Phillips, S.E.V.

Revision History  

• Version 1.0: 1982-02-03
  Type: Initial release
  
• Version 1.1: 2008-03-24
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Version format compliance
• Version 1.3: 2014-03-05
  Changes: Other
• Version 2.0: 2023-02-08
  Type: Remediation
  Changes: Advisory, Atomic model, Data collection, Database references, Derived calculations, Other
• Version 2.1: 2023-03-15
  Changes: Advisory
• Version 2.2: 2024-05-22
  Changes: Data collection