1TBQ	Complex (Serine Protease Inhibitor)	date	Mar 02, 1995
title	Crystal Structure Of Insect Derived Double Domain Kazal Inhibitor Rhodniin In Complex With Thrombin
authors	A.Van De Locht, D.Lamba, W.Bode
compound		source
Molecule: Thrombin Chain: L, J Ec: 3.4.21.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Plasma
Molecule: Thrombin Chain: H, K Ec: 3.4.21.5		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Plasma
Molecule: Rhodniin Chain: R, S Engineered: Yes		Organism_scientific: Rhodnius Prolixus Organism_taxid: 13249 Organ: Plasma Gene: Prpti Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_plasmid: Pr2c Expression_system_gene: Prpti
symmetry	Space Group: P 21 21 21	R_factor 0.175 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.311 111.600 112.140 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	3.10 Å
ligand		enzyme	Hydrolase E.C.3.4.21.5 BRENDA
Gene Ontology	Chain Function Process Component H, K J, L S, R serine-type endopeptidase in...
Primary reference	Two heads are better than one: crystal structure of the insect derived double domain Kazal inhibitor rhodniin in complex with thrombin., van de Locht A, Lamba D, Bauer M, Huber R, Friedrich T, Kroger B, Hoffken W, Bode W, EMBO J 1995 Nov 1;14(21):5149-57. PMID:7489704

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (144 Kb) [Save to disk] Biological Unit Coordinates (1tbq.pdb1.gz) 71 Kb Biological Unit Coordinates (1tbq.pdb2.gz) 71 Kb CSU: Contacts of Structural Units for 1TBQ Likely Quarternary Molecular Structure file(s) for 1TBQ Retrieve 1TBQ in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1TBQ from S2C, [Save to disk]

View 1TBQ 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 1TBQ

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1TBQ, from MSDmotif at EBI Genome occurence of 1TBQ's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1tbq.2, region J:,K [Jmol] [rasmolscript] [script source]     - Domain d1tbq.1, region L:,H [Jmol] [rasmolscript] [script source]     - Domain d1tbqr1, region R:1-51 [Jmol] [rasmolscript] [script source]     - Domain d1tbqr2, region R:52-103 [Jmol] [rasmolscript] [script source]     - Domain d1tbqs1, region S:1-51 [Jmol] [rasmolscript] [script source]     - Domain d1tbqs2, region S:52-103 [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: [1tbq] [1tbq_S] [1tbq_L] [1tbq_H] [1tbq_J] [1tbq_K] [1tbq_R] SWISS-PROT database: [Q06684] [P00735] Domain organization of [THBI_RHOPR] [THRB_BOVIN] by SWISSPFAM Domains found in 1TBQ: [KAZAL] [Tryp_SPc ] by SMART

Other resources with information on 1TBQ

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

Movements, Movies and Images

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

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