4TPI	Hydrolase Hydrolase Inhibitor	date	Jun 11, 1985
title	The Refined 2.2-Angstroms (0.22-Nm) X-Ray Crystal Structure Of The Ternary Complex Formed By Bovine Trypsinogen, Valine-Valine And The Arg15 Analogue Of Bovine Pancreatic Trypsin Inhibitor
authors	W.Bode, J.Walter
compound		source
Molecule: Trypsinogen Chain: Z Ec: 3.4.21.4		Organism_scientific: Bos Taurus Organism_common: Cattle Organism_taxid: 9913 Organ: Pancreas
Molecule: Bovine Pancreatic Trypsin Inhibitor Chain: I Engineered: Yes
symmetry	Space Group: I 2 2 2	R_factor 0.170 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 75.510 85.450 122.300 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	CA, SO4, VAL	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1BTI, 1FAK, 1K1J, 1SLX
Gene Ontology	Chain Function Process Component I Z
Primary reference	The refined 2.2-A (0.22-nm) X-ray crystal structure of the ternary complex formed by bovine trypsinogen, valine-valine and the Arg15 analogue of bovine pancreatic trypsin inhibitor., Bode W, Walter J, Huber R, Wenzel HR, Tschesche H, Eur J Biochem 1984 Oct 1;144(1):185-90. PMID:6207021

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (50 Kb) [Save to disk] Biological Unit Coordinates (4tpi.pdb1.gz) 44 Kb Biological Unit Coordinates (4tpi.pdb2.gz) 172 Kb Biological Unit Coordinates (4tpi.pdb3.gz) 87 Kb LPC: Ligand-Protein Contacts for 4TPI CSU: Contacts of Structural Units for 4TPI Likely Quarternary Molecular Structure file(s) for 4TPI Retrieve 4TPI in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4TPI from S2C, [Save to disk]

View 4TPI 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 4TPI

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 4TPI, from MSDmotif at EBI Genome occurence of 4TPI's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d4tpii_, region I [Jmol] [rasmolscript] [script source]     - Domain d4tpiz_, region Z [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: [4tpi_S] [4tpi_Z] [4tpi] [4tpi_I] SWISS-PROT database: [P00974] [P00760] Domain organization of [BPT1_BOVIN] [TRY1_BOVIN] by SWISSPFAM Domains found in 4TPI: [KU] [Tryp_SPc ] by SMART

Other resources with information on 4TPI

Community annotation for 4TPI at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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