4HTF

Crystal structure of S-adenosylmethionine-dependent methyltransferase from Escherichia coli in complex with S-adenosylmethionine.


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.6 Å
  • R-Value Free: 0.201
  • R-Value Work: 0.179

Literature

Macromolecules
Sequence Display for 4HTF

Classification: TRANSFERASE

Total Structure Weight: 67434.31

Macromolecule Entities
Molecule Chains Length Organism Details
S-adenosylmethionine-dependent methyltransferase A 285 Escherichia coli Gene Name(s): smtA ECs1004 Z1268 AO055_05240 ASO15_05275
Metabolic Pathways
Maps:       
Reactions:
ESCHER  BiGG
S-adenosylmethionine-dependent methyltransferase B 285 Escherichia coli Gene Name(s): smtA ECs1004 Z1268 AO055_05240 ASO15_05275

Small Molecules
Ligands 4 Unique
ID Chains Name / Formula / InChI Key 2D Diagram 3D Interactions
SAM
Query on SAM

A, B S-ADENOSYLMETHIONINE
C15 H22 N6 O5 S
MEFKEPWMEQBLKI-FCKMPRQPSA-N
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
SO4
Query on SO4

A, B SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
Ligand Explorer NGL
 
Binding Pocket (JSmol)
 
Electron Density (JSmol)
BME
Query on BME

B BETA-MERCAPTOETHANOL
C2 H6 O S
DGVVWUTYPXICAM-UHFFFAOYSA-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)
Modified Residues 2 Unique
ID Chains Type Formula 2D Diagram Parent
MSE
Query on MSE
A, B L-PEPTIDE LINKING C5 H11 N O2 Se MET
CSO
Query on CSO
A L-PEPTIDE LINKING C3 H7 N O3 S CYS

Experimental Data & Validation

Experimental Data

Unit Cell:

Length (Å) Angle (°)
a = 60.54 α = 90.00
b = 63.47 β = 90.00
c = 136.88 γ = 90.00

Structure Validation

View Full Validation Report or Ramachandran Plots



Entry History

Deposition Data

  • Deposited Date: 2012-11-01
  • Released Date: 2012-11-21
  • Deposition author(s): Filippova, E.V., Minasov, G., Shuvalova, L., Kiryukhina, O., Jedrzejczak, R., Joachimiak, A., Anderson, W.F., Midwest Center for Structural Genomics (MCSG)

Revision History

  • Version 1_0: 2012-11-21

    Type: Initial release

  • Version 1_1: 2017-11-15

    Type: Refinement description