1AVG	Complex (Blood Coagulation Inhibitor)	date	Sep 16, 1997
title	Thrombin Inhibitor From Triatoma Pallidipennis
authors	P.Fuentes-Prior, R.Huber, W.Bode
compound		source
Molecule: Thrombin Chain: L Ec: 3.4.21.5 Other_details: The C-Terminal Segment Of The L-Chain Of One Molecule Is Inserted In The Active Site Of A Neighboring Th Molecule;		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Blood Tissue: Blood Secretion: Blood Other_details: Bovine Thrombin Was Purified From From Fresh According To Reported Protocols;
Molecule: Thrombin Chain: H Ec: 3.4.21.5 Other_details: The C-Terminal Segment Of The L-Chain Of One Molecule Is Inserted In The Active Site Of A Neighboring Th Molecule;		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Blood Tissue: Blood Secretion: Blood Other_details: Bovine Thrombin Was Purified From From Fresh According To Reported Protocols;
Molecule: Triabin Chain: I Engineered: Yes		Organism_scientific: Triatoma Pallidipennis Organism_taxid: 30077 Organ: Blood Expression_system: Insect Cells Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 21 21 21	R_factor 0.184 R_Free 0.275
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.840 67.230 183.490 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand		enzyme	Hydrolase E.C.3.4.21.5 BRENDA
note	1AVG is a representative structure
related structures	by homologous chain: 1BMM, 1RD3, 1TBR
Gene Ontology	Chain Function Process Component H I serine-type endopeptidase in... L
Primary reference	Structure of the thrombin complex with triabin, a lipocalin-like exosite-binding inhibitor derived from a triatomine bug., Fuentes-Prior P, Noeske-Jungblut C, Donner P, Schleuning WD, Huber R, Bode W, Proc Natl Acad Sci U S A 1997 Oct 28;94(22):11845-50. PMID:9342325

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (80 Kb) [Save to disk] Biological Unit Coordinates (1avg.pdb1.gz) 76 Kb CSU: Contacts of Structural Units for 1AVG Likely Quarternary Molecular Structure file(s) for 1AVG Retrieve 1AVG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1AVG from S2C, [Save to disk]

View 1AVG 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 1AVG

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1AVG, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1avgi_, region I [Jmol] [rasmolscript] [script source]     - Domain d1avg.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: [1avg_L] [1avg_I] [1avg] [1avg_H] SWISS-PROT database: [P00735] [Q27049] Domain organization of [THRB_BOVIN] [TRIA_TRIPA] by SWISSPFAM Domain found in 1AVG: [Tryp_SPc ] by SMART

Other resources with information on 1AVG

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

Movements, Movies and Images

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

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