1GPM Transferase (Glutamine Amidotransferase) date Apr 04, 1995
title Escherichia Coli Gmp Synthetase Complexed With Amp And Pyrop
authors J.J.G.Tesmer
compound source
Molecule: Gmp Synthetase
Chain: A, B, C, D
Synonym: Xmp Aminase
Ec: 6.3.5.2
Engineered: Yes
Organism_scientific: Escherichia Coli
Organism_taxid: 83333
Strain: K12
Gene: Guaa
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_plasmid: Pguaa-Tac
Expression_system_gene: Guaa
Other_details: Tac Promoter
symmetry Space Group: P 1 21 1
R_factor 0.174 R_Free NULL
crystal
cell
length a length b length c angle alpha angle beta angle gamma
156.000 102.000 78.800 90.00 96.70 90.00
method X-Ray Diffractionresolution 2.20 Å
ligand AMP, CIT, MG, PO4, POP enzyme Ligase E.C.6.3.5.2 BRENDA
Gene
Ontology
ChainFunctionProcessComponent
A, D, C, B


Primary referenceThe crystal structure of GMP synthetase reveals a novel catalytic triad and is a structural paradigm for two enzyme families., Tesmer JJ, Klem TJ, Deras ML, Davisson VJ, Smith JL, Nat Struct Biol 1996 Jan;3(1):74-86. PMID:8548458
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (340 Kb) [Save to disk]
  • Biological Unit Coordinates (1gpm.pdb1.gz) 334 Kb
  • LPC: Ligand-Protein Contacts for 1GPM
  • CSU: Contacts of Structural Units for 1GPM
  • Likely Quarternary Molecular Structure file(s) for 1GPM
  • Retrieve 1GPM in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 1GPM from S2C, [Save to disk]
  • View 1GPM 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 1GPM
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 1GPM, from MSDmotif at EBI
  • Genome occurence of 1GPM's fold from GeneCensus
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d1gpma1, region A:208-404 [Jmol] [rasmolscript] [script source]
        - Domain d1gpma2, region A:3-207 [Jmol] [rasmolscript] [script source]
        - Domain d1gpma3, region A:405-525 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmb1, region B:208-404 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmb2, region B:3-207 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmb3, region B:405-525 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmc1, region C:208-404 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmc2, region C:3-207 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmc3, region C:405-525 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmd1, region D:208-404 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmd2, region D:3-207 [Jmol] [rasmolscript] [script source]
        - Domain d1gpmd3, region D:405-525 [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: [1gpm_C] [1gpm_B] [1gpm] [1gpm_D] [1gpm_A]
  • SWISS-PROT database: [P04079]
  • Domain organization of [GUAA_ECOLI] by SWISSPFAM
  • Other resources with information on 1GPM
  • Community annotation for 1GPM 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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