13GS	Transferase Transferase Inhibitor	date	Nov 20, 1997
title	Glutathione S-Transferase Complexed With Sulfasalazine
authors	A.J.Oakley, M.Lo Bello, M.W.Parker
compound		source
Molecule: Glutathione S-Transferase Chain: A, B Synonym: Gst Ec: 2.5.1.18 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Gstp1 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: C 1 2 1	R_factor 0.193 R_Free 0.222
crystal cell	length a length b length c angle alpha angle beta angle gamma 79.455 91.107 69.559 90.00 98.44 90.00
method	X-Ray Diffraction	resolution	1.90 Å
ligand	GSH, MES, SAS	enzyme	Transferase E.C.2.5.1.18 BRENDA
related structures	by homologous chain: 2PGT, 8GSS
Gene Ontology	Chain Function Process Component A, B glutathione peroxidase activ... protein binding
Primary reference	The ligandin (non-substrate) binding site of human Pi class glutathione transferase is located in the electrophile binding site (H-site)., Oakley AJ, Lo Bello M, Nuccetelli M, Mazzetti AP, Parker MW, J Mol Biol 1999 Aug 27;291(4):913-26. PMID:10452896

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (77 Kb) [Save to disk] Biological Unit Coordinates (13gs.pdb1.gz) 73 Kb LPC: Ligand-Protein Contacts for 13GS CSU: Contacts of Structural Units for 13GS Likely Quarternary Molecular Structure file(s) for 13GS Structure Factors (302 Kb) Retrieve 13GS in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 13GS from S2C, [Save to disk] Re-refined 13gs structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 13GS 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 13GS

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 13GS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d13gsa2, region A:0-76 [Jmol] [rasmolscript] [script source]     - Domain d13gsa1, region A:77-209 [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: [13gs_B] [13gs_A] [13gs_C] [13gs_D] [13gs] SWISS-PROT database: [P09211] Domain organization of [GSTP1_HUMAN] by SWISSPFAM

Other resources with information on 13GS

Community annotation for 13GS at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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