5PEP	Hydrolase(Acid Proteinase)	date	May 30, 1990
title	X-Ray Analyses Of Aspartic Proteases. II. Three-Dimensional Of The Hexagonal Crystal Form Of Porcine Pepsin At 2.3 Angs Resolution
authors	J.B.Cooper, G.Khan, G.Taylor, I.J.Tickle, T.L.Blundell
compound		source
Molecule: Pepsin Chain: A Ec: 3.4.23.1 Engineered: Yes		Organism_scientific: Sus Scrofa Organism_common: Pig Organism_taxid: 9823
symmetry	Space Group: P 65 2 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 67.400 67.400 290.100 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.34 Å
ligand		enzyme	Hydrolase E.C.3.4.23.1 BRENDA
note	5PEP (Molecule of the Month:pdb12)supersedes 2PEP
related structures	by homologous chain: 1FLH, 3PEP
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray analyses of aspartic proteinases. II. Three-dimensional structure of the hexagonal crystal form of porcine pepsin at 2.3 A resolution., Cooper JB, Khan G, Taylor G, Tickle IJ, Blundell TL, J Mol Biol 1990 Jul 5;214(1):199-222. PMID:2115088

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (59 Kb) [Save to disk] Biological Unit Coordinates (5pep.pdb1.gz) 55 Kb CSU: Contacts of Structural Units for 5PEP Likely Quarternary Molecular Structure file(s) for 5PEP Structure Factors (150 Kb) Retrieve 5PEP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 5PEP from S2C, [Save to disk] Re-refined 5pep structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 5PEP 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 5PEP

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 5PEP, from MSDmotif at EBI Genome occurence of 5PEP's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d5pep__, region [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: [5pep] [5pep_A] SWISS-PROT database: [P00791] Domain organization of [PEPA_PIG] by SWISSPFAM

Other resources with information on 5PEP

Community annotation for 5PEP at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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