1YKT	Hydrolase	date	Jan 18, 2005
title	Trypsinbpti Complex Mutant
authors	C.K.Brown, D.H.Ohlendorf
compound		source
Molecule: Trypsin II Chain: A Synonym: Pretrypsinogen II Ec: 3.4.21.4 Engineered: Yes Mutation: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Gene: Try2 Expression_system: Escherichia Coli Expression_system_taxid: 562
Molecule: Pancreatic Trypsin Inhibitor Chain: B Synonym: Basic Protease Inhibitor, Bpi, Bpti, Aprotinin Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 32 2 1	R_factor 0.199 R_Free 0.212
crystal cell	length a length b length c angle alpha angle beta angle gamma 92.711 92.711 62.270 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	CA, SO4	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
Gene Ontology	Chain Function Process Component A B
Primary reference	Partially folded bovine pancreatic trypsin inhibitor analogues attain fully native structures when co-crystallized with S195A rat trypsin., Getun IV, Brown CK, Tulla-Puche J, Ohlendorf D, Woodward C, Barany G, J Mol Biol. 2008 Jan 18;375(3):812-23. Epub 2007 Nov 6. PMID:18054043

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (52 Kb) [Save to disk] Biological Unit Coordinates (1ykt.pdb1.gz) 47 Kb LPC: Ligand-Protein Contacts for 1YKT CSU: Contacts of Structural Units for 1YKT Likely Quarternary Molecular Structure file(s) for 1YKT Structure Factors (280 Kb) Retrieve 1YKT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1YKT from S2C, [Save to disk] Re-refined 1ykt structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1YKT 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 1YKT

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 1YKT, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1ykt_B] [1ykt_A] [1ykt] SWISS-PROT database: [P00974] [P00763] Domain organization of [BPT1_BOVIN] [TRY2_RAT] by SWISSPFAM Domains found in 1YKT: [KU] [Tryp_SPc ] by SMART

Other resources with information on 1YKT

Community annotation for 1YKT 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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