1GIS	Hydrolase	date	Mar 15, 2001
title	A Trichosanthin(Tcs) Mutant(E85q) Complex Structure With 2'- Adenosin-5'-Monophosphate
authors	Q.Guo, Y.Liu, Y.Dong, Z.Rao
compound		source
Molecule: Ribosome-Inactivating Protein Alpha-Trichosanthin Chain: A Ec: 3.2.2.22 Engineered: Yes Mutation: Yes		Organism_scientific: Trichosanthes Kirilowii Organism_taxid: 3677 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 21	R_factor 0.193 R_Free 0.234
crystal cell	length a length b length c angle alpha angle beta angle gamma 38.000 75.900 78.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	DA	enzyme	Hydrolase E.C.3.2.2.22 BRENDA
related structures	by homologous chain: 1MRG, 1TCS
Gene Ontology	Chain Function Process Component A
Primary reference	Substrate binding and catalysis in trichosanthin occur in different sites as revealed by the complex structures of several E85 mutants., Guo Q, Zhou W, Too HM, Li J, Liu Y, Bartlam M, Dong Y, Wong KB, Shaw PC, Rao Z, Protein Eng. 2003 Jun;16(6):391-6. PMID:12874371

Data retrieval

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

View 1GIS 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 1GIS

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1GIS, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1gisa_, region A [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: [1gis_A] [1gis] SWISS-PROT database: [P09989] Domain organization of [RIPT_TRIKI] by SWISSPFAM

Other resources with information on 1GIS

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

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