1PEK	Hydrolase Hydrolase Inhibitor	date	Jan 19, 1993
title	Structure Of The Complex Of Proteinase K With A Substrate-An Hexa-Peptide Inhibitor At 2.2 Angstroms Resolution
authors	C.Betzel, T.P.Singh, M.Visanji, K.Peters, S.Fittkau, W.Saenger, K.
compound		source
Molecule: Proteinase K Chain: E Ec: 3.4.21.64		Organism_scientific: Tritirachium Album Organism_common: Engyodontium Album Organism_taxid: 37998
Molecule: Peptide Pro-Ala-Pro-Phe Chain: C Engineered: Yes Other_details: The Complete Peptide Is N-Ac-Pro-Ala-Pro-Phe Ala-Nh2 And Is Hydrolysed And Represented As Chains C And D		Synthetic: Yes
Molecule: D-Dal-Ala-Nh2 Chain: D Engineered: Yes Other_details: The Complete Peptide Is N-Ac-Pro-Ala-Pro-Phe Ala-Nh2 And Is Hydrolysed And Represented As Chains C And D		Synthetic: Yes
symmetry	Space Group: P 43 21 2	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 68.280 68.280 107.870 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.20 Å
ligand	DAL	enzyme	Hydrolase E.C.3.4.21.64 BRENDA
related structures	by homologous chain: 1CNM, 1OYO
Gene Ontology	Chain Function Process Component E
Primary reference	Structure of the complex of proteinase K with a substrate analogue hexapeptide inhibitor at 2.2-A resolution., Betzel C, Singh TP, Visanji M, Peters K, Fittkau S, Saenger W, Wilson KS, J Biol Chem 1993 Jul 25;268(21):15854-8. PMID:8340410

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (49 Kb) [Save to disk] Biological Unit Coordinates (1pek.pdb1.gz) 46 Kb LPC: Ligand-Protein Contacts for 1PEK CSU: Contacts of Structural Units for 1PEK Likely Quarternary Molecular Structure file(s) for 1PEK Retrieve 1PEK in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1PEK from S2C, [Save to disk]

View 1PEK 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 1PEK

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1PEK, from MSDmotif at EBI Genome occurence of 1PEK's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1peke_, region E [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: [1pek_E] [1pek] [1pek_D] [1pek_C] SWISS-PROT database: [P06873] Domain organization of [PRTK_TRIAL] by SWISSPFAM

Other resources with information on 1PEK

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

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