1EPT	Hydrolase (Serine Protease)	date	Jun 07, 1994
title	Refined 1.8 Angstroms Resolution Crystal Structure Of Porcine Epsilon-Trypsin
authors	Q.Huang, Z.Wang, Y.Li, S.Liu, Y.Tang
compound		source
Molecule: Porcine E-Trypsin Chain: A Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823
Molecule: Porcine E-Trypsin Chain: B Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823
Molecule: Porcine E-Trypsin Chain: C Ec: 3.4.21.4 Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823
symmetry	Space Group: P 21 21 21	R_factor 0.184 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 76.900 53.400 46.600 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.80 Å
ligand	CA	enzyme	Hydrolase E.C.3.4.21.4 BRENDA
related structures	by homologous chain: 1TAW, 1TGS
Gene Ontology	Chain Function Process Component A C, B
Primary reference	Refined 1.8 A resolution crystal structure of the porcine epsilon-trypsin., Huang Q, Wang Z, Li Y, Liu S, Tang Y, Biochim Biophys Acta 1994 Nov 16;1209(1):77-82. PMID:7947985

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (1ept.pdb1.gz) 43 Kb LPC: Ligand-Protein Contacts for 1EPT CSU: Contacts of Structural Units for 1EPT Likely Quarternary Molecular Structure file(s) for 1EPT Structure Factors (59 Kb) Retrieve 1EPT in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1EPT from S2C, [Save to disk] Re-refined 1ept structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1EPT 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 1EPT

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1EPT, from MSDmotif at EBI Genome occurence of 1EPT's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1ept.1, region A:,B:,C [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: [1ept_A] [1ept_B] [1ept_C] [1ept] SWISS-PROT database: [P00761] Domain organization of [TRYP_PIG] by SWISSPFAM Domain found in 1EPT: [Tryp_SPc ] by SMART

Other resources with information on 1EPT

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

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