1POP	Hydrolase Hydrolase Inhibitor	date	Jun 24, 1993
title	X-Ray Crystallographic Structure Of A Papain-Leupeptin Compl
authors	E.Schroder, C.Crawford
compound		source
Molecule: Papain Chain: A Ec: 3.4.22.2 Engineered: Yes		Organism_scientific: Carica Papaya Organism_common: Papaya Organism_taxid: 3649
Molecule: Leupeptin Chain: B Engineered: Yes		Organism_scientific: Streptomyces Roseus Organism_taxid: 66430 Strain: Ma 839-A1
symmetry	Space Group: P 21 21 21	R_factor R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 44.920 104.960 50.970 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.10 Å
ligand	ACE, AR7, MOH	enzyme	Hydrolase E.C.3.4.22.2 BRENDA
related structures	by homologous chain: 1GEC, 1K3B
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray crystallographic structure of a papain-leupeptin complex., Schroder E, Phillips C, Garman E, Harlos K, Crawford C, FEBS Lett. 1993 Jan 2;315(1):38-42. PMID:8416808

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (1pop.pdb1.gz) 53 Kb LPC: Ligand-Protein Contacts for 1POP CSU: Contacts of Structural Units for 1POP Likely Quarternary Molecular Structure file(s) for 1POP Retrieve 1POP in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1POP from S2C, [Save to disk]

View 1POP 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 1POP

Ramachandran plot from PDBSum

Structure-derived information

Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1POP, from MSDmotif at EBI Genome occurence of 1POP's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1popa_, region A [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: [1pop_B] [1pop_A] [1pop] SWISS-PROT database: [P00784] Domain organization of [PAPA1_CARPA] by SWISSPFAM Domain found in 1POP: [Pept_C1 ] by SMART

Other resources with information on 1POP

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

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