1XWK	Transferase	date	Nov 01, 2004
title	2.3 Angstrom Resolution Crystal Structure Of Human Glutathio Transferase M1a-1a Complexed With Glutathionyl-S-Dinitroben
authors	Y.Patskovsky, L.Patskovska, S.C.Almo, I.Listowsky
compound		source
Molecule: Glutathione S-Transferase Mu 1 Chain: A, B, C Synonym: Gstm1-1, Gst Class-Mu 1, Gstm1a-1a, Gstm1b-1b, Hb Gth4; Ec: 2.5.1.18 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Gstm1, Gst1 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet3a_hgstm1a
symmetry	Space Group: C 1 2 1	R_factor 0.243 R_Free 0.281
crystal cell	length a length b length c angle alpha angle beta angle gamma 175.830 51.940 93.840 90.00 121.08 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	GDN	enzyme	Transferase E.C.2.5.1.18 BRENDA
related structures	by homologous chain: 1MTC, 1YJ6
Gene Ontology	Chain Function Process Component A, C, B
Primary reference	Transition state model and mechanism of nucleophilic aromatic substitution reactions catalyzed by human glutathione S-transferase M1a-1a., Patskovsky Y, Patskovska L, Almo SC, Listowsky I, Biochemistry. 2006 Mar 28;45(12):3852-62. PMID:16548513

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (119 Kb) [Save to disk] Biological Unit Coordinates (1xwk.pdb1.gz) 77 Kb Biological Unit Coordinates (1xwk.pdb2.gz) 77 Kb LPC: Ligand-Protein Contacts for 1XWK CSU: Contacts of Structural Units for 1XWK Likely Quarternary Molecular Structure file(s) for 1XWK Structure Factors (213 Kb) Retrieve 1XWK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1XWK from S2C, [Save to disk] Re-refined 1xwk structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1XWK 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 1XWK

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 1XWK, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1xwka2, region A:1-84 [Jmol] [rasmolscript] [script source]     - Domain d1xwka1, region A:85-217 [Jmol] [rasmolscript] [script source]     - Domain d1xwkb2, region B:1-84 [Jmol] [rasmolscript] [script source]     - Domain d1xwkb1, region B:85-217 [Jmol] [rasmolscript] [script source]     - Domain d1xwkc2, region C:1-84 [Jmol] [rasmolscript] [script source]     - Domain d1xwkc1, region C:85-217 [Jmol] [rasmolscript] [script source]

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1xwk_A] [1xwk_B] [1xwk_C] [1xwk] SWISS-PROT database: [P09488] Domain organization of [GSTM1_HUMAN] by SWISSPFAM

Other resources with information on 1XWK

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

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