3MGG

Crystal Structure of Methyl Transferase from Methanosarcina mazei

• PDB DOI: https://doi.org/10.2210/pdb3MGG/pdb

• Classification: TRANSFERASE
• Organism(s): Methanosarcina mazei
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): No 


• Deposited: 2010-04-06 Released: 2010-04-21 
• Deposition Author(s): Syed Ibrahim, B., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.239 
• R-Value Work: 0.214 
• R-Value Observed: 0.214 

Literature

Crystal Structure of Methyl Transferase from Methanosarcina mazei

Syed Ibrahim, B., Burley, S.K., Swaminathan, S.

To be published.

Biological Assembly 1  

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

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

Macromolecule Content

• Total Structure Weight: 62.93 kDa 
• Atom Count: 4,238 
• Modelled Residue Count: 499 
• Deposited Residue Count: 552 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Methyltransferase	A, B	276	Methanosarcina mazei	Mutation(s): 0  Gene Names: MM_1949 EC: 2.1.1
UniProt
Find proteins for Q8PVL4 (Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88)) Explore Q8PVL4  Go to UniProtKB:  Q8PVL4

Small Molecules

Modified Residues  1 Unique
ID	Chains	Type	Formula	2D Diagram	Parent
MSE	A, B	L-PEPTIDE LINKING	C5 H11 N O2 Se		MET

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.86 Å
• R-Value Free: 0.239 
• R-Value Work: 0.214 
• R-Value Observed: 0.214 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 46.805	α = 90
b = 56.019	β = 90
c = 234.607	γ = 90

Software Package:

Software Name	Purpose
CBASS	data collection
SHELX	model building
SHARP	phasing
CNS	refinement
HKL-2000	data reduction
SCALEPACK	data scaling
SHELX	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2010-04-21 
Deposition Author(s): Syed Ibrahim, B., Burley, S.K., Swaminathan, S., New York SGX Research Center for Structural Genomics (NYSGXRC)

Revision History  

• Version 1.0: 2010-04-21
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2021-02-10
  Changes: Database references, Derived calculations, Structure summary
• Version 1.3: 2024-11-20
  Changes: Data collection, Database references, Structure summary