1A9C	Hydrolase	date	Apr 04, 1998
title	Gtp Cyclohydrolase I (C110s Mutant) In Complex With Gtp
authors	G.Auerbach, H.Nar, A.Bracher, A.Bacher, R.Huber
compound		source
Molecule: Gtp Cyclohydrolase I Chain: A, B, C, D, E, F, G, H, I, J, K, L, M, N, O Ec: 3.5.4.16 Engineered: Yes Mutation: Yes		Organism_scientific: Escherichia Coli Organism_taxid: 562 Organ: Brain Expression_system: Escherichia Coli Expression_system_taxid: 562 Other_details: Homologous Expression
symmetry	Space Group: C 2 2 21	R_factor 0.206 R_Free 0.288
crystal cell	length a length b length c angle alpha angle beta angle gamma 313.900 226.800 131.400 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.90 Å
ligand	GTP	enzyme	Hydrolase E.C.3.5.4.16 BRENDA
related structures	by homologous chain: 1GTP, 1N3R
Gene Ontology	Chain Function Process Component F, A, O, J, N, K, E, B, H, M, C, D, I, G, L

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (653 Kb) [Save to disk] Biological Unit Coordinates (1a9c.pdb1.gz) 430 Kb Biological Unit Coordinates (1a9c.pdb2.gz) 434 Kb LPC: Ligand-Protein Contacts for 1A9C CSU: Contacts of Structural Units for 1A9C Likely Quarternary Molecular Structure file(s) for 1A9C Retrieve 1A9C in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1A9C from S2C, [Save to disk]

View 1A9C 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 1A9C

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1A9C, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1a9ca_, region A [Jmol] [rasmolscript] [script source]     - Domain d1a9cb_, region B [Jmol] [rasmolscript] [script source]     - Domain d1a9cc_, region C [Jmol] [rasmolscript] [script source]     - Domain d1a9cd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1a9ce_, region E [Jmol] [rasmolscript] [script source]     - Domain d1a9cf_, region F [Jmol] [rasmolscript] [script source]     - Domain d1a9cg_, region G [Jmol] [rasmolscript] [script source]     - Domain d1a9ch_, region H [Jmol] [rasmolscript] [script source]     - Domain d1a9ci_, region I [Jmol] [rasmolscript] [script source]     - Domain d1a9cj_, region J [Jmol] [rasmolscript] [script source]     - Domain d1a9ck_, region K [Jmol] [rasmolscript] [script source]     - Domain d1a9cl_, region L [Jmol] [rasmolscript] [script source]     - Domain d1a9cm_, region M [Jmol] [rasmolscript] [script source]     - Domain d1a9cn_, region N [Jmol] [rasmolscript] [script source]     - Domain d1a9co_, region O [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: [1a9c_D] [1a9c_I] [1a9c_K] [1a9c_M] [1a9c_G] [1a9c_B] [1a9c_A] [1a9c_J] [1a9c_F] [1a9c_O] [1a9c_N] [1a9c_H] [1a9c_E] [1a9c] [1a9c_C] [1a9c_L] SWISS-PROT database: [P0A6T5] Domain organization of [GCH1_ECOLI] by SWISSPFAM

Other resources with information on 1A9C

Community annotation for 1A9C at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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