4HTF

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


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.60 Å
  • R-Value Free: 0.201 
  • R-Value Work: 0.179 
  • R-Value Observed: 0.180 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

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

Filippova, E.V.Minasov, G.Shuvalova, L.Kiryukhina, O.Jedrzejczak, R.Joachimiak, A.Anderson, W.F.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
S-adenosylmethionine-dependent methyltransferase285Escherichia coli O157:H7Mutation(s): 0 
Gene Names: BAB34427ECs1004smtAZ1268
UniProt
Find proteins for Q8XDG3 (Escherichia coli O157:H7)
Explore Q8XDG3 
Go to UniProtKB:  Q8XDG3
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8XDG3
Sequence Annotations
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  • Reference Sequence
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 2
MoleculeChains Sequence LengthOrganismDetailsImage
S-adenosylmethionine-dependent methyltransferase285Escherichia coli O157:H7Mutation(s): 0 
Gene Names: BAB34427ECs1004smtAZ1268
UniProt
Find proteins for Q8XDG3 (Escherichia coli O157:H7)
Explore Q8XDG3 
Go to UniProtKB:  Q8XDG3
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ8XDG3
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 4 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
SAM
Query on SAM

Download Ideal Coordinates CCD File 
C [auth A],
F [auth B]
S-ADENOSYLMETHIONINE
C15 H22 N6 O5 S
MEFKEPWMEQBLKI-FCKMPRQPSA-N
SO4
Query on SO4

Download Ideal Coordinates CCD File 
D [auth A],
G [auth B]
SULFATE ION
O4 S
QAOWNCQODCNURD-UHFFFAOYSA-L
BME
Query on BME

Download Ideal Coordinates CCD File 
H [auth B]BETA-MERCAPTOETHANOL
C2 H6 O S
DGVVWUTYPXICAM-UHFFFAOYSA-N
ACT
Query on ACT

Download Ideal Coordinates CCD File 
E [auth A]ACETATE ION
C2 H3 O2
QTBSBXVTEAMEQO-UHFFFAOYSA-M
Modified Residues  2 Unique
IDChains TypeFormula2D DiagramParent
CSO
Query on CSO
A
L-PEPTIDE LINKINGC3 H7 N O3 SCYS
MSE
Query on MSE
A
L-PEPTIDE LINKINGC5 H11 N O2 SeMET
Experimental Data & Validation

Experimental Data

Unit Cell:
Length ( Å )Angle ( ˚ )
a = 60.537α = 90
b = 63.466β = 90
c = 136.881γ = 90
Software Package:
Software NamePurpose
Blu-Icedata collection
HKL-3000phasing
REFMACrefinement
HKL-3000data reduction
HKL-3000data scaling

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Revision History  (Full details and data files)

  • Version 1.0: 2012-11-21
    Type: Initial release
  • Version 1.1: 2017-11-15
    Changes: Refinement description