3GSB Isomerase date Jun 26, 1998
title Crystal Structure Of Glutamate-1-Semialdehyde Aminomutase In With Gabaculine
authors M.Hennig, J.N.Jansonius
compound source
Molecule: Protein (Glutamate Semialdehyde Aminotransferase)
Chain: A, B
Synonym: Glutamate Semialdehyde Aminomutase
Engineered: Yes
Organism_scientific: Synechococcus Sp.
Organism_taxid: 1131
Strain: Gr6
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Sg13009
symmetry Space Group: P 21 21 21
R_factor 0.159 R_Free 0.250
length a length b length c angle alpha angle beta angle gamma
68.600 108.600 123.500 90.00 90.00 90.00
method X-Ray Diffractionresolution 3.00 Å
ligand GAB, PMP enzyme Isomerase E.C. BRENDA
note 3GSB supersedes 3GSA
related structures by homologous chain: 13GS, 4GSA, 8GSS
A, B

Primary referenceCrystal structure of glutamate-1-semialdehyde aminomutase: an alpha2-dimeric vitamin B6-dependent enzyme with asymmetry in structure and active site reactivity., Hennig M, Grimm B, Contestabile R, John RA, Jansonius JN, Proc Natl Acad Sci U S A 1997 May 13;94(10):4866-71. PMID:9144156
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (137 Kb) [Save to disk]
  • Biological Unit Coordinates (3gsb.pdb1.gz) 132 Kb
  • LPC: Ligand-Protein Contacts for 3GSB
  • CSU: Contacts of Structural Units for 3GSB
  • Likely Quarternary Molecular Structure file(s) for 3GSB
  • Retrieve 3GSB in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 3GSB from S2C, [Save to disk]
  • View 3GSB 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 3GSB
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Dipole moment, from Dipole Server at Weizmann Institute
  • 3D motif for 3GSB, from MSDmotif at EBI
  • Classification of representative domains in scop (Structural Classification of Proteins)
        - Domain d3gsba_, region A [Jmol] [rasmolscript] [script source]
        - Domain d3gsbb_, region B [Jmol] [rasmolscript] [script source]
        - Domain d13gsb2, region B:2-76 [Jmol] [rasmolscript] [script source]
        - Domain d13gsb1, region B:77-209 [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: [3gsb_B] [3gsb_A] [3gsb]
  • SWISS-PROT database: [P24630]
  • Domain organization of [GSA_SYNP6] by SWISSPFAM
  • Other resources with information on 3GSB
  • Community annotation for 3GSB 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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