1K9V	Transferase	date	Oct 31, 2001
title	Structural Evidence For Ammonia Tunelling Across The (Beta-A Barrel Of The Imidazole Glycerol Phosphate Synthase Bienzym
authors	A.Douangamath, M.Walker, S.Beismann-Driemeyer, M.C.Vega-Fernand R.Sterner, M.Wilmanns
compound		source
Molecule: Amidotransferase Hish Chain: F Ec: 2.4.2.- Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 21 21 2	R_factor 0.224 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 126.008 35.837 42.507 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	ACY	enzyme	Transferase E.C.2.4.2 BRENDA
related structures	by homologous chain: 1GPW
Gene Ontology	Chain Function Process Component F
Primary reference	Structural evidence for ammonia tunneling across the (beta alpha)(8) barrel of the imidazole glycerol phosphate synthase bienzyme complex., Douangamath A, Walker M, Beismann-Driemeyer S, Vega-Fernandez MC, Sterner R, Wilmanns M, Structure (Camb) 2002 Feb;10(2):185-93. PMID:11839304

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (37 Kb) [Save to disk] Biological Unit Coordinates (1k9v.pdb1.gz) 33 Kb LPC: Ligand-Protein Contacts for 1K9V CSU: Contacts of Structural Units for 1K9V Likely Quarternary Molecular Structure file(s) for 1K9V Structure Factors (61 Kb) Retrieve 1K9V in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1K9V from S2C, [Save to disk] Re-refined 1k9v structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1K9V 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 1K9V

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 1K9V, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1k9vf_, region F [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: [1k9v_F] [1k9v] SWISS-PROT database: [Q9X0C8] Domain organization of [HIS5_THEMA] by SWISSPFAM

Other resources with information on 1K9V

Community annotation for 1K9V at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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