3RJN | pdb_00003rjn

Horse heart myoglobin: D44K/D60K mutant with zinc (II) -deuteroporphyrin dimethyl ester

• PDB DOI: https://doi.org/10.2210/pdb3RJN/pdb

• Classification: OXYGEN TRANSPORT
• Organism(s): Equus caballus
• Expression System: Escherichia coli
• Mutation(s): Yes 


• Deposited: 2011-04-15 Released: 2012-05-09 
• Deposition Author(s): Smith, S.M., Rosenzweig, A.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free: 
  0.228 (Depositor), 0.230 (DCC) 
• R-Value Work: 
  0.175 (Depositor), 0.180 (DCC) 
• R-Value Observed: 
  0.177 (Depositor) 

Literature

Horse heart myoglobin: D44K/D60K mutant with zinc (II) -deuteroporphyrin dimethyl ester

Knutson, A.K., Smith, S.M., Rosenzweig, A.C., Hoffman, B.M.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content 

• Total Structure Weight: 17.81 kDa 
• Atom Count: 1,370 
• 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 [auth B]	153	Equus caballus	Mutation(s): 2  Gene Names: MB EC: 1.11.1 (UniProt), 1.7 (UniProt)
UniProt
Find proteins for P68082 (Equus caballus) Explore P68082  Go to UniProtKB:  P68082

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HE5	C [auth B]	ZINC(II)-DEUTEROPORPHYRIN DIMETHYLESTER C32 H34 N4 O4 Zn QTRUNGZFGQPYEG-XPUTWRDZSA-N
SO4	B, D [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.90 Å
• R-Value Free:  0.228 (Depositor), 0.230 (DCC) 
• R-Value Work:  0.175 (Depositor), 0.180 (DCC) 
• R-Value Observed: 0.177 (Depositor) 

Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 42.814	α = 90
b = 30.537	β = 97.64
c = 56.674	γ = 90

Software Package:

Software Name	Purpose
HKL-2000	data collection
PHASER	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2012-05-09 
Deposition Author(s): Smith, S.M., Rosenzweig, A.C.

Revision History  

• Version 1.0: 2012-05-09
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations