1QL8	Serine Protease	date	Aug 24, 1999
title	Factor Xa Specific Inhibitor In Complex With Bovine Trypsin
authors	M.T.Stubbs
compound		source
Molecule: Trypsin Chain: A Synonym: Trypsinogen, Beta-Trypsin Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Bovine Organism_taxid: 9913 Organ: Pancreas
symmetry	Space Group: I 21 3	R_factor 0.190 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 125.810 125.810 125.810 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.00 Å
ligand	CA, SO4, ZEN	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1C9P, 2TLD
Gene Ontology	Chain Function Process Component A
Primary reference	pH-dependent binding modes observed in trypsin crystals: lessons for structure-based drug design., Stubbs MT, Reyda S, Dullweber F, Moller M, Klebe G, Dorsch D, Mederski WW, Wurziger H, Chembiochem. 2002 Mar 1;3(2-3):246-9. PMID:11921406

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (1ql8.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 1QL8 CSU: Contacts of Structural Units for 1QL8 Likely Quarternary Molecular Structure file(s) for 1QL8 Retrieve 1QL8 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QL8 from S2C, [Save to disk]

View 1QL8 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 1QL8

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QL8, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ql8a_, 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: [1ql8_A] [1ql8] SWISS-PROT database: [P00760] Domain organization of [TRY1_BOVIN] by SWISSPFAM Domain found in 1QL8: [Tryp_SPc ] by SMART

Other resources with information on 1QL8

Community annotation for 1QL8 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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Images from IMB Jena Image Library of Biological Macromolecules.

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