1QB9	Hydrolase	date	Apr 30, 1999
title	Bovine Trypsin 7-[[2-[[1-(1-Iminoethyl)Piperidin-4-Yl]Oxy]-9 Carbozol-9-Yl] Methyl]Naphthalene-2-Carboximidamide (Zk-806 Complex
authors	M.Whitlow
compound		source
Molecule: Protein (Trypsin) Chain: A Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas Other_details: Boehringer Mannheim Catalog Number 109,827
symmetry	Space Group: P 31 2 1	R_factor 0.176 R_Free 0.278
crystal cell	length a length b length c angle alpha angle beta angle gamma 54.510 54.510 108.710 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	806, CA, K BindingDB	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 2STB, 3TGI
Gene Ontology	Chain Function Process Component A
Primary reference	Crystallographic analysis of potent and selective factor Xa inhibitors complexed to bovine trypsin., Whitlow M, Arnaiz DO, Buckman BO, Davey DD, Griedel B, Guilford WJ, Koovakkat SK, Liang A, Mohan R, Phillips GB, Seto M, Shaw KJ, Xu W, Zhao Z, Light DR, Morrissey MM, Acta Crystallogr D Biol Crystallogr. 1999 Aug;55(Pt 8):1395-404. PMID:10417407

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (43 Kb) [Save to disk] Biological Unit Coordinates (1qb9.pdb1.gz) 39 Kb LPC: Ligand-Protein Contacts for 1QB9 CSU: Contacts of Structural Units for 1QB9 Likely Quarternary Molecular Structure file(s) for 1QB9 Retrieve 1QB9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QB9 from S2C, [Save to disk]

View 1QB9 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 1QB9

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QB9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qb9a_, 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: [1qb9] [1qb9_A] SWISS-PROT database: [P00760] Domain organization of [TRY1_BOVIN] by SWISSPFAM Domain found in 1QB9: [Tryp_SPc ] by SMART

Other resources with information on 1QB9

Community annotation for 1QB9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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