1XRB Transferase date Oct 26, 1995
title S-Adenosylmethionine Synthetase (Mat, Atp: L-Methionine S- Adenosyltransferase, E.C.2.5.1.6) In Which Met Residues Are Replaced With Selenomethionine Residues (Mse)
authors F.Takusagawa, S.Kamitori, S.Misaki, G.D.Markham
compound source
Molecule: S-Adenosylmethionine Synthetase
Chain: A
Synonym: Mat, Atp:L-Methionine S-Adenosyltransferase
Ec: 2.5.1.6
Mutation: Yes
Organism_scientific: Escherichia Coli
symmetry Space Group: P 62 2 2
R_factor 0.188 R_Free 0.265
crystal
cell
length a length b length c angle alpha angle beta angle gamma
128.900 128.900 139.800 90.00 90.00 120.00
method X-Ray Diffractionresolution 3.00 Å
ligand K, MG, MSE, PO4 enzyme Transferase E.C.2.5.1.6 BRENDA
related structures by homologous chain: 1MXC, 1XRA
Gene
Ontology
ChainFunctionProcessComponent
A


Primary referenceCrystal structure of S-adenosylmethionine synthetase., Takusagawa F, Kamitori S, Misaki S, Markham GD, J Biol Chem 1996 Jan 5;271(1):136-47. PMID:8550549
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (78 Kb) [Save to disk]
  • Biological Unit Coordinates (1xrb.pdb1.gz) 141 Kb
  • LPC: Ligand-Protein Contacts for 1XRB
  • CSU: Contacts of Structural Units for 1XRB
  • Likely Quarternary Molecular Structure file(s) for 1XRB
  • Retrieve 1XRB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1XRB from S2C, [Save to disk]
  • View 1XRB 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 1XRB
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1XRB, from MSDmotif at EBI
  • Genome occurence of 1XRB's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1xrb_1, region 1-101 [Jmol] [rasmolscript] [script source]
        - Domain d1xrb_2, region 108-231 [Jmol] [rasmolscript] [script source]
        - Domain d1xrb_3, region 232-383 [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: [1xrb] [1xrb_A]
  • SWISS-PROT database: [P0A817]
  • Domain organization of [METK_ECOLI] by SWISSPFAM
  • Other resources with information on 1XRB
  • Community annotation for 1XRB 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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