1CBW	Complex (Serine Protease Inhibitor)	date	Dec 22, 1996
title	Bovine Chymotrypsin Complexed To Bpti
authors	T.R.Hynes, A.J.Scheidig, A.A.Kossiakoff
compound		source
Molecule: Bovine Chymotrypsin Chain: A, F Ec: 3.4.21.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Bovine Chymotrypsin Chain: B, G Ec: 3.4.21.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Bovine Chymotrypsin Chain: C, H Ec: 3.4.21.1		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Bpti Chain: D, I Synonym: Basic Pancreatic Trypsin Inhibitor		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas
symmetry	Space Group: P 61	R_factor 0.192 R_Free 0.251
crystal cell	length a length b length c angle alpha angle beta angle gamma 101.600 101.600 205.900 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.60 Å
ligand	SO4	enzyme	Hydrolase E.C.3.4.21.1 BRENDA
related structures	by homologous chain: 1BHC, 1BZ5, 1KDQ, 5GCH
Gene Ontology	Chain Function Process Component D, I G, B H, C
Primary reference	Crystal structures of bovine chymotrypsin and trypsin complexed to the inhibitor domain of Alzheimer's amyloid beta-protein precursor (APPI) and basic pancreatic trypsin inhibitor (BPTI): engineering of inhibitors with altered specificities., Scheidig AJ, Hynes TR, Pelletier LA, Wells JA, Kossiakoff AA, Protein Sci 1997 Sep;6(9):1806-24. PMID:9300481

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (98 Kb) [Save to disk] Biological Unit Coordinates (1cbw.pdb1.gz) 48 Kb Biological Unit Coordinates (1cbw.pdb2.gz) 47 Kb Biological Unit Coordinates (1cbw.pdb3.gz) 92 Kb LPC: Ligand-Protein Contacts for 1CBW CSU: Contacts of Structural Units for 1CBW Likely Quarternary Molecular Structure file(s) for 1CBW Structure Factors (288 Kb) Retrieve 1CBW in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1CBW from S2C, [Save to disk] Re-refined 1cbw structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1CBW 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 1CBW

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1CBW, from MSDmotif at EBI Genome occurence of 1CBW's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1cbw.1, region A:,B:,C [Jmol] [rasmolscript] [script source]     - Domain d1cbwd_, region D [Jmol] [rasmolscript] [script source]     - Domain d1cbw.2, region F:,G:,H [Jmol] [rasmolscript] [script source]     - Domain d1cbwi_, 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: [1cbw_C] [1cbw] [1cbw_D] [1cbw_I] [1cbw_B] [1cbw_F] [1cbw_H] [1cbw_A] [1cbw_G] SWISS-PROT database: [P00974] [P00766] [P00767] Domain organization of [BPT1_BOVIN] [CTRA_BOVIN] [CTRB_BOVIN] by SWISSPFAM Domains found in 1CBW: [KU] [Tryp_SPc ] by SMART

Other resources with information on 1CBW

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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