1QL9	Hydrolase	date	Aug 24, 1999
title	Factor Xa Specific Inhibitor In Complex With Rat Trypsin Mut
authors	M.T.Stubbs
compound		source
Molecule: Trypsin Chain: A Synonym: Trypsinogen, Beta-Trypsin Ec: 3.4.21.4 Engineered: Yes Mutation: Yes Other_details: Variant X99rt\: Rat Trypsin Containing The " Of Factor Xa		Organism_scientific: Rattus Norvegicus Organism_common: Rat Organism_taxid: 10116 Organ: Pancreas Expression_system: Saccharomyces Cerevisiae Expression_system_taxid: 4932 Expression_system_vector: Yeast Expression_system_plasmid: Pyt
symmetry	Space Group: I 2 3	R_factor 0.189 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 124.140 124.140 124.140 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.30 Å
ligand	CA, SO4, ZEN	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1EZS, 1OPH
Gene Ontology	Chain Function Process Component A
Primary reference	Reconstructing the binding site of factor Xa in trypsin reveals ligand-induced structural plasticity., Reyda S, Sohn C, Klebe G, Rall K, Ullmann D, Jakubke HD, Stubbs MT, J Mol Biol. 2003 Jan 31;325(5):963-77. PMID:12527302

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (1ql9.pdb1.gz) 37 Kb LPC: Ligand-Protein Contacts for 1QL9 CSU: Contacts of Structural Units for 1QL9 Likely Quarternary Molecular Structure file(s) for 1QL9 Retrieve 1QL9 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QL9 from S2C, [Save to disk]

View 1QL9 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 1QL9

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QL9, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ql9a_, 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: [1ql9_A] [1ql9] SWISS-PROT database: [P00763] Domain organization of [TRY2_RAT] by SWISSPFAM Domain found in 1QL9: [Tryp_SPc ] by SMART

Other resources with information on 1QL9

Community annotation for 1QL9 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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