1QBV	Hydrolase Hydrolase Inhibitor	date	Apr 27, 1999
title	Crystal Structure Of Thrombin Complexed With An Guanidine-Mi Inhibitor
authors	R.Bone, T.Lu, C.R.Illig, R.M.Soll, J.C.Spurlino
compound		source
Molecule: Thrombin (Light Chain) Chain: L Fragment: Light Chain Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Homo Sapiens
Molecule: Thrombin (Heavy Chain) Chain: H Fragment: Heavy Chain Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Other_details: Homo Sapiens
Molecule: Hirudin Chain: E Fragment: Residues 55-65 Engineered: Yes		Organism_scientific: Hirudo Medicinalis Organism_common: Medicinal Leech Organism_taxid: 6421
symmetry	Space Group: C 1 2 1	R_factor 0.193 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 70.900 71.800 72.700 90.00 100.52 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	PPX, TYS BindingDB	enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1EB1, 1NM6
Gene Ontology	Chain Function Process Component H L
Primary reference	Structural analysis of thrombin complexed with potent inhibitors incorporating a phenyl group as a peptide mimetic and aminopyridines as guanidine substitutes., Bone R, Lu T, Illig CR, Soll RM, Spurlino JC, J Med Chem 1998 Jun 4;41(12):2068-75. PMID:9622548

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (55 Kb) [Save to disk] Biological Unit Coordinates (1qbv.pdb1.gz) 51 Kb LPC: Ligand-Protein Contacts for 1QBV CSU: Contacts of Structural Units for 1QBV Likely Quarternary Molecular Structure file(s) for 1QBV Retrieve 1QBV in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1QBV from S2C, [Save to disk]

View 1QBV 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 1QBV

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1QBV, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1qbv.1, region L:,H [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: [1qbv] [1qbv_H] [1qbv_L] [1qbv_E] SWISS-PROT database: [P00734] Domain organization of [THRB_HUMAN] by SWISSPFAM Domain found in 1QBV: [Tryp_SPc ] by SMART

Other resources with information on 1QBV

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

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