1MSK

METHIONINE SYNTHASE (ACTIVATION DOMAIN)

Structural Biology Knowledgebase: 1MSK SBKB.org


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.198

Literature

Macromolecules
Sequence Display for 1MSK

Classification: METHYLTRANSFERASE

Total Structure Weight: 38207.01

Macromolecule Entities
Molecule Chains Length Organism Details
COBALAMIN-DEPENDENT METHIONINE SYNTHASE A 331 Escherichia coli EC#: 2.1.1.13 IUBMB
Fragment: ACTIVATION DOMAIN, RESIDUES 897 - 1227
Details: GENERATED BY TRYPSIN CLEAVAGE OF THE METHIONINE SYNTHASE HOLOENZYME
Gene Name(s): metH b4019 JW3979
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG

Small Molecules
Ligands 2 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SAM
Query on SAM

A S-ADENOSYLMETHIONINE
C15 H22 N6 O5 S
MEFKEPWMEQBLKI-FCKMPRQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
ACT
Query on ACT

A ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)

Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.8 Å
  • R-Value Free: 0.257
  • R-Value Work: 0.198
  • Space Group: P 21 21 21

Unit Cell:

Length (Å) Angle (°)
a = 38.86 α = 90.00
b = 62.36 β = 90.00
c = 140.82 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 1996-08-03
  • Released Date: 1997-04-01
  • Deposition author(s): Dixon, M.M., Huang, S., Matthews, R.G., Ludwig, M.L.

Revision History

  • 2011-07-13
    Type: Version format compliance | Details: compliance with PDB Exchange Dictionary V4