1T8M	Hydrolase Hydrolase Inhibitor	date	May 13, 2004
title	Crystal Structure Of The P1 His Bpti Mutant- Bovine Chymotry Complex
authors	H.Czapinska, R.Helland, J.Otlewski, A.O.Smalas
compound		source
Molecule: Chymotrypsin A Chain: A, C Ec: 3.4.21.1 Mutation: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913
Molecule: Pancreatic Trypsin Inhibitor Chain: B, D Synonym: Basic Protease Inhibitor, Bpi, Bpti, Aprotinin Engineered: Yes		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Expression_system: Escherichia Coli Bl21(De3) Expression_system_taxid: 469008 Expression_system_strain: Bl21 (De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Paed4
symmetry	Space Group: P 61	R_factor 0.201 R_Free 0.215
crystal cell	length a length b length c angle alpha angle beta angle gamma 99.910 99.910 205.000 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	SO4	enzyme	Hydrolase E.C.3.4.21.1 BRENDA
related structures	by homologous chain: 1P2Q, 3BTM, 6CHA
Gene Ontology	Chain Function Process Component A, C D, B
Primary reference	Crystal structures of five bovine chymotrypsin complexes with P1 BPTI variants., Czapinska H, Helland R, Smalas AO, Otlewski J, J Mol Biol 2004 Dec 3;344(4):1005-20. PMID:15544809

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (108 Kb) [Save to disk] Biological Unit Coordinates (1t8m.pdb1.gz) 54 Kb Biological Unit Coordinates (1t8m.pdb2.gz) 52 Kb Biological Unit Coordinates (1t8m.pdb3.gz) 103 Kb Biological Unit Coordinates (1t8m.pdb4.gz) 102 Kb Biological Unit Coordinates (1t8m.pdb5.gz) 53 Kb Biological Unit Coordinates (1t8m.pdb6.gz) 53 Kb LPC: Ligand-Protein Contacts for 1T8M CSU: Contacts of Structural Units for 1T8M Likely Quarternary Molecular Structure file(s) for 1T8M Structure Factors (747 Kb) Retrieve 1T8M in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1T8M from S2C, [Save to disk] Re-refined 1t8m structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1T8M 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 1T8M

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 1T8M, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [1t8m_D] [1t8m] [1t8m_B] [1t8m_A] [1t8m_C] SWISS-PROT database: [P00974] [P00766] Domain organization of [BPT1_BOVIN] [CTRA_BOVIN] by SWISSPFAM Domains found in 1T8M: [KU] [Tryp_SPc ] by SMART

Other resources with information on 1T8M

Community annotation for 1T8M at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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