1SG9

Crystal structure of Thermotoga maritima protein HEMK, an N5-glutamine methyltransferase


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.235 
  • R-Value Observed: 0.235 

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Ligand Structure Quality Assessment 


This is version 1.3 of the entry. See complete history


Literature

A novel mode of dimerization via formation of a glutamate anhydride crosslink in a protein crystal structure.

Agarwal, R.Burley, S.K.Swaminathan, S.

(2008) Proteins 71: 1038-1041


Macromolecules
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Entity ID: 1
MoleculeChainsSequence LengthOrganismDetailsImage
hemK proteinA, B, C282Thermotoga maritimaMutation(s): 0 
EC: 2.1.1.297
UniProt
Find proteins for Q9WYV8 (Thermotoga maritima (strain ATCC 43589 / DSM 3109 / JCM 10099 / NBRC 100826 / MSB8))
Explore Q9WYV8 
Go to UniProtKB:  Q9WYV8
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupQ9WYV8
Protein Feature View
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  • Reference Sequence
Small Molecules
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 2.30 Å
  • R-Value Free: 0.261 
  • R-Value Work: 0.235 
  • R-Value Observed: 0.235 
  • Space Group: I 2 2 2
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 81.025α = 90
b = 188.332β = 90
c = 207.684γ = 90
Software Package:
Software NamePurpose
CNSrefinement
MARMADdata reduction
ADSCdata collection
SCALEPACKdata scaling
AMoREphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2004-08-17
    Type: Initial release
  • Version 1.1: 2008-07-14
    Changes: Version format compliance
  • Version 1.2: 2011-07-13
    Changes: Version format compliance
  • Version 1.3: 2021-02-03
    Changes: Database references, Derived calculations, Structure summary