1IGS	Synthase	date	Aug 11, 1995
title	Indole-3-Glycerolphosphate Synthase From Sulfolobus Solfatar 2.0 A Resolution
authors	M.Hennig, B.Darimont, K.Kirschner, J.N.Jansonius
compound		source
Molecule: Indole-3-Glycerolphosphate Synthase Chain: A Synonym: Igps Engineered: Yes		Organism_scientific: Sulfolobus Solfataricus Organism_taxid: 2287 Strain: M4 Gene: Trpc Expression_system: Escherichia Coli Str. K12 Substr. W3110 Expression_system_taxid: 316407 Expression_system_strain: W3110 Expression_system_vector_type: Plasmid Expression_system_plasmid: Repressor Plasmid Pdm Expression_system_gene: Trpc
symmetry	Space Group: P 21 21 21	R_factor 0.177 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 58.000 73.800 104.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	PO4	enzyme
related structures	by homologous chain: 1JUL, 1LBF
Gene Ontology	Chain Function Process Component A
Primary reference	2.0 A structure of indole-3-glycerol phosphate synthase from the hyperthermophile Sulfolobus solfataricus: possible determinants of protein stability., Hennig M, Darimont B, Sterner R, Kirschner K, Jansonius JN, Structure 1995 Dec 15;3(12):1295-306. PMID:8747456

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1igs.pdb1.gz) 45 Kb LPC: Ligand-Protein Contacts for 1IGS CSU: Contacts of Structural Units for 1IGS Likely Quarternary Molecular Structure file(s) for 1IGS Retrieve 1IGS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1IGS from S2C, [Save to disk]

View 1IGS 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 1IGS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1IGS, from MSDmotif at EBI Genome occurence of 1IGS's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1igs__, region [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: [1igs] [1igs_A] SWISS-PROT database: [Q06121] Domain organization of [TRPC_SULSO] by SWISSPFAM

Other resources with information on 1IGS

Community annotation for 1IGS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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