1SG9 Unknown Function date Feb 23, 2004
title Crystal Structure Of Thermotoga Maritima Protein Hemk, An N5 Methyltransferase
authors R.Agarwal, S.Swaminathan, S.K.Burley, New York Sgx Research Cen Structural Genomics (Nysgxrc)
compound source
Molecule: Hemk Protein
Chain: A, B, C
Engineered: Yes
 Organism_scientific: Thermotoga Maritima
Organism_taxid: 2336
Expression_system: Escherichia Coli
Expression_system_taxid: 562
symmetry Space Group: I 2 2 2
R_factor 0.235 R_Free 0.261
crystal
cell
length a length b length c angle alpha angle beta angle gamma
81.025 188.332 207.684 90.00 90.00 90.00
method X-Ray Diffractionresolution 2.30 Å
ligand GLN, SAM enzyme
related structures by homologous chain: 1NV8, 1NV9
Gene
Ontology
ChainFunctionProcessComponent
A, C, B


Primary referenceA novel mode of dimerization via formation of a glutamate anhydride crosslink in a protein crystal structure., Agarwal R, Burley SK, Swaminathan S, Proteins. 2008 May 1;71(2):1038-41. PMID:18247349
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (141 Kb) [Save to disk]
  • Biological Unit Coordinates (1sg9.pdb1.gz) 91 Kb
  • Biological Unit Coordinates (1sg9.pdb2.gz) 92 Kb
  • LPC: Ligand-Protein Contacts for 1SG9
  • CSU: Contacts of Structural Units for 1SG9
  • Likely Quarternary Molecular Structure file(s) for 1SG9
  • Structure Factors (536 Kb)
  • Retrieve 1SG9 in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1SG9 from S2C, [Save to disk]
  • Re-refined 1sg9 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
    • View 1SG9 in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
    • Visual 3D analysis of 1SG9
  • Ramachandran plot from PDBSum
    • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1SG9, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1sg9a_, region A [Jmol] [rasmolscript] [script source]
        - Domain d1sg9b_, region B [Jmol] [rasmolscript] [script source]
        - Domain d1sg9c_, region C [Jmol] [rasmolscript] [script source]
  • Class (fold), Architecture (subfold), Topology, Homologous superfamily from CATH
  • Summaries and structural analyses of PDB data files from PDBSum
  • Identification of Protein Pockets & Cavities at CASTp
    • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [1sg9_A] [1sg9] [1sg9_C] [1sg9_B]
  • SWISS-PROT database: [Q9WYV8]
  • Domain organization of [Q9WYV8_THEMA] by SWISSPFAM
    • Other resources with information on 1SG9
  • Community annotation for 1SG9 at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
    • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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