3BTE	Hydrolase	date	Mar 11, 1999
title	The Crystal Structures Of The Complexes Between Bovine Beta- And Ten P1 Variants Of Bpti.
authors	R.Helland, J.Otlewski, O.Sundheim, M.Dadlez, A.O.Smalas
compound		source
Molecule: Trypsin Chain: E Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Pancreatic Trypsin Inhibitor Chain: I Engineered: Yes Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: I 2 2 2	R_factor 0.196 R_Free 0.227
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.540 85.300 122.870 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.85 Å
ligand	CA, SO4	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1S82, 1T7C, 3BTK
Gene Ontology	Chain Function Process Component E I
Primary reference	The crystal structures of the complexes between bovine beta-trypsin and ten P1 variants of BPTI., Helland R, Otlewski J, Sundheim O, Dadlez M, Smalas AO, J Mol Biol 1999 Apr 16;287(5):923-42. PMID:10222201

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (3bte.pdb1.gz) 44 Kb Biological Unit Coordinates (3bte.pdb2.gz) 170 Kb LPC: Ligand-Protein Contacts for 3BTE CSU: Contacts of Structural Units for 3BTE Likely Quarternary Molecular Structure file(s) for 3BTE Retrieve 3BTE in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3BTE from S2C, [Save to disk]

View 3BTE 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 3BTE

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 3BTE, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d3btee_, region E [Jmol] [rasmolscript] [script source]     - Domain d3btei_, region I [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: [3bte_E] [3bte] [3bte_I] SWISS-PROT database: [P00974] [P00760] Domain organization of [BPT1_BOVIN] [TRY1_BOVIN] by SWISSPFAM Domains found in 3BTE: [KU] [Tryp_SPc ] by SMART

Other resources with information on 3BTE

Community annotation for 3BTE at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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