1NZQ	Hydrolase Hydrolase Inhibitor	date	Feb 19, 2003
title	D-Phe-Pro-Arg-Type Thrombin Inhibitor
authors	U.E.Lange, D.Bauke, W.Hornberger, H.Mack, W.Seitz, H.W.Hoeffken
compound		source
Molecule: Thrombin Light Chain Chain: L Fragment: Light Chain Synonym: Coagulation Factor II Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Blood Gene: F2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
Molecule: Thrombin Heavy Chain Chain: H Fragment: Heavy Chain Synonym: Coagulation Factor II Ec: 3.4.21.5 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Organ: Blood Gene: F2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid
Molecule: Decapeptide Hirudin Analogue Chain: D Engineered: Yes		Synthetic: Yes Organism_scientific: Hirudo Medicinalis Organism_common: 6421
symmetry	Space Group: C 1 2 1	R_factor 0.197 R_Free 0.242
crystal cell	length a length b length c angle alpha angle beta angle gamma 71.110 71.960 73.160 90.00 100.82 90.00
method	X-Ray Diffraction	resolution	2.18 Å
ligand	162, ALC, HYP, SIN, SMF	enzyme	Hydrolase E.C.3.4.21.5 BRENDA
related structures	by homologous chain: 1A46, 1A61
Gene Ontology	Chain Function Process Component H L
Primary reference	D-Phe-Pro-Arg type thrombin inhibitors: unexpected selectivity by modification of the P1 moiety., Lange UE, Baucke D, Hornberger W, Mack H, Seitz W, Hoffken HW, Bioorg Med Chem Lett 2003 Jun 16;13(12):2029-33. PMID:12781189

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (1nzq.pdb1.gz) 52 Kb LPC: Ligand-Protein Contacts for 1NZQ CSU: Contacts of Structural Units for 1NZQ Likely Quarternary Molecular Structure file(s) for 1NZQ Retrieve 1NZQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1NZQ from S2C, [Save to disk]

View 1NZQ 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 1NZQ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1NZQ, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1nzq.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: [1nzq_L] [1nzq_D] [1nzq] [1nzq_H] SWISS-PROT database: [P00734] Domain organization of [THRB_HUMAN] by SWISSPFAM Domain found in 1NZQ: [Tryp_SPc ] by SMART

Other resources with information on 1NZQ

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

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