3EZX

Structure of Methanosarcina barkeri monomethylamine corrinoid protein

• PDB DOI: https://doi.org/10.2210/pdb3EZX/pdb

• Classification: TRANSFERASE
• Organism(s): Methanosarcina barkeri
• Mutation(s): No 


• Deposited: 2008-10-23 Released: 2009-12-15 
• Deposition Author(s): Jain, R.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.56 Å
• R-Value Free: 0.262 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 

Literature

Structure of Methanosarcina barkeri monomethylamine corrinoid protein

Jain, R., Hao, B., Soares, J.A., Zhang, L., Green-Church, K., Li, X., Krzycki, J.A., Chan, M.K.

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)

Biological Assembly 2  

Global Symmetry: Cyclic - C2  (Explore in 3D)
Global Stoichiometry: Homo 2-mer - A2 

Biological assembly 2 generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 24.3 kDa 
• Atom Count: 1,764 
• Modelled Residue Count: 212 
• Deposited Residue Count: 215 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Monomethylamine corrinoid protein 1	A	215	Methanosarcina barkeri	Mutation(s): 0
UniProt
Find proteins for O30641 (Methanosarcina barkeri) Explore O30641  Go to UniProtKB:  O30641

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
HCB	B [auth A]	5-HYDROXYBENZIMIDAZOLYLCOBAMIDE C60 H84 Co N13 O15 P LQBVMYRJXRYHOO-NCVPRIERSA-L
MG	C [auth A]	MAGNESIUM ION Mg JLVVSXFLKOJNIY-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.56 Å
• R-Value Free: 0.262 
• R-Value Work: 0.205 
• R-Value Observed: 0.205 
• Space Group: C 2 2 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 67.97	α = 90
b = 77.71	β = 90
c = 100.36	γ = 90

Software Package:

Software Name	Purpose
ADSC	data collection
SOLVE	phasing
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2009-12-15 
Deposition Author(s): Jain, R.

Revision History  

• Version 1.0: 2009-12-15
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-12-27
  Changes: Data collection, Database references, Derived calculations