2GSA	Chlorophyll Biosynthesis	date	Feb 26, 1997
title	Crystal Structure Of Glutamate-1-Semialdehyde Aminomutase (Aminotransferase, Wild-Type Form)
authors	M.Hennig, J.N.Jansonius
compound		source
Molecule: Glutamate Semialdehyde Aminotransferase Chain: A, B Synonym: Glutamate Semialdehyde Aminomutase Ec: 5.4.3.8 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 0.183 R_Free 0.250
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.620 108.600 122.430 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	PLP, PMP	enzyme	Isomerase E.C.5.4.3.8 BRENDA
related structures	by homologous chain: 12GS, 1MD4, 22GS, 2GSR, 3GSS, 4GSA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Crystal 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] (143 Kb) [Save to disk] Biological Unit Coordinates (2gsa.pdb1.gz) 137 Kb LPC: Ligand-Protein Contacts for 2GSA CSU: Contacts of Structural Units for 2GSA Likely Quarternary Molecular Structure file(s) for 2GSA Retrieve 2GSA in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2GSA from S2C, [Save to disk]

View 2GSA 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 2GSA

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 2GSA, from MSDmotif at EBI Genome occurence of 2GSA's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d2gsaa_, region A [Jmol] [rasmolscript] [script source]     - Domain d12gsa2, region A:2-76 [Jmol] [rasmolscript] [script source]     - Domain d12gsa1, region A:77-209 [Jmol] [rasmolscript] [script source]     - Domain d2gsab_, region B [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: [2gsa] [2gsa_B] [2gsa_A] SWISS-PROT database: [P24630] Domain organization of [GSA_SYNP6] by SWISSPFAM

Other resources with information on 2GSA

Community annotation for 2GSA at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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