3SM3

Crystal Structure of SAM-dependent methyltransferases Q8PUK2_METMA from Methanosarcina mazei. Northeast Structural Genomics Consortium Target MaR262.

• PDB DOI: https://doi.org/10.2210/pdb3SM3/pdb

• Classification: TRANSFERASE
• Organism(s): Methanosarcina mazei Go1
• Expression System: Escherichia coli BL21(DE3)
• Mutation(s): Yes 


• Deposited: 2011-06-27 Released: 2011-07-20 
• Deposition Author(s): Vorobiev, S., Neely, H., Seetharaman, J., Snyder, A., Patel, P., Xiao, R., Ciccosanti, C., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.246 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 

Literature

Crystal Structure of SAM-dependent methyltransferases Q8PUK2_METMA from Methanosarcina mazei.

Vorobiev, S., Neely, H., Seetharaman, J., Snyder, A., Patel, P., Xiao, R., Ciccosanti, C., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L.

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: 27.16 kDa 
• Atom Count: 1,803 
• Modelled Residue Count: 212 
• Deposited Residue Count: 235 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
SAM-dependent methyltransferases	A	235	Methanosarcina mazei Go1	Mutation(s): 1  Gene Names: MM_2332
UniProt
Find proteins for Q8PUK2 (Methanosarcina mazei (strain ATCC BAA-159 / DSM 3647 / Goe1 / Go1 / JCM 11833 / OCM 88)) Explore Q8PUK2  Go to UniProtKB:  Q8PUK2

Small Molecules

Ligands 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
PEG	D [auth A]	DI(HYDROXYETHYL)ETHER C4 H10 O3 MTHSVFCYNBDYFN-UHFFFAOYSA-N
CA	B [auth A], C [auth A]	CALCIUM ION Ca BHPQYMZQTOCNFJ-UHFFFAOYSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.20 Å
• R-Value Free: 0.246 
• R-Value Work: 0.192 
• R-Value Observed: 0.195 
• Space Group: P 4₁ 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 51.589	α = 90
b = 51.589	β = 90
c = 207.028	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
PDB_EXTRACT	data extraction
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
SHELXS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2011-07-20 
Deposition Author(s): Vorobiev, S., Neely, H., Seetharaman, J., Snyder, A., Patel, P., Xiao, R., Ciccosanti, C., Everett, J.K., Nair, R., Acton, T.B., Rost, B., Montelione, G.T., Hunt, J.F., Tong, L., Northeast Structural Genomics Consortium (NESG)

Revision History  

• Version 1.0: 2011-07-20
  Type: Initial release
  
• Version 1.1: 2024-02-28
  Changes: Data collection, Database references, Derived calculations