1QJ1	Hydrolase Hydrolase Inhibitor	date	Jun 21, 1999
title	Novel Covalent Active Site Thrombin Inhibitors
authors	H.Jhoti, A.Cleasby
compound		source
Molecule: Thrombin Chain: A Fragment: Alpha Thrombin Light Chain Synonym: Factor II Ec: 3.4.21.5		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood Plasma
Molecule: Thrombin Chain: B Fragment: Alpha Thrombin Heavy Chain Synonym: Factor II Ec: 3.4.21.5		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Tissue: Blood Plasma
Molecule: Hirugen Chain: I Fragment: Peptide Fragment Of Hirudin Engineered: Yes Other_details: Exosite Inhibitor Of Thrombin		Synthetic: Yes Organism_scientific: Hirudo Medicinalis Organism_common: Medicinal Leech Organism_taxid: 6421
symmetry	Space Group: C 1 2 1	R_factor 0.189 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.700 71.900 73.000 90.00 100.90 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	166, TYS	enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1AFE, 1BCU, 1HBT
Gene Ontology	Chain Function Process Component A B
Primary reference	Crystal structures of thrombin complexed to a novel series of synthetic inhibitors containing a 5,5-trans-lactone template., Jhoti H, Cleasby A, Reid S, Thomas PJ, Weir M, Wonacott A, Biochemistry 1999 Jun 22;38(25):7969-77. PMID:10387040

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (61 Kb) [Save to disk] Biological Unit Coordinates (1qj1.pdb1.gz) 56 Kb LPC: Ligand-Protein Contacts for 1QJ1 CSU: Contacts of Structural Units for 1QJ1 Likely Quarternary Molecular Structure file(s) for 1QJ1 Retrieve 1QJ1 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QJ1 from S2C, [Save to disk]

View 1QJ1 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 1QJ1

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QJ1, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qj1.1, region A:,B [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: [1qj1] [1qj1_B] [1qj1_I] [1qj1_A] SWISS-PROT database: [P01050] [P00734] Domain organization of [HIRV1_HIRME] [THRB_HUMAN] by SWISSPFAM Domain found in 1QJ1: [Tryp_SPc ] by SMART

Other resources with information on 1QJ1

Community annotation for 1QJ1 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

Movements, Movies and Images

Domain movements in 1QJ1 from the Database of Macromolecular Movements. Images from IMB Jena Image Library of Biological Macromolecules.

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