1MEG	Hydrolase	date	May 04, 1996
title	Crystal Structure Of A Caricain D158e Mutant In Complex With
authors	N.A.Katerelos
compound		source
Molecule: Caricain Chain: A Synonym: Papaya Proteinase, Protease Omega Ec: 3.4.22.30 Engineered: Yes Mutation: Yes		Organism_scientific: Carica Papaya Organism_common: Papaya Organism_taxid: 3649 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Pet Expression_system_vector_type: Pet Expression_system_vector: Pet Vector Expression_system_plasmid: Plyss
symmetry	Space Group: C 1 2 1	R_factor 0.193 R_Free NULL
crystal cell	length a length b length c angle alpha angle beta angle gamma 53.450 65.330 64.370 90.00 111.60 90.00
method	X-Ray Diffraction	resolution	2.00 Å
ligand	E64, EOH	enzyme	Hydrolase E.C.3.4.22.30 BRENDA
related structures	by homologous chain: 1KHP, 1PE6
Gene Ontology	Chain Function Process Component A
Primary reference	Crystal structure of a caricain D158E mutant in complex with E-64., Katerelos NA, Taylor MA, Scott M, Goodenough PW, Pickersgill RW, FEBS Lett 1996 Aug 19;392(1):35-9. PMID:8769310

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (1meg.pdb1.gz) 36 Kb LPC: Ligand-Protein Contacts for 1MEG CSU: Contacts of Structural Units for 1MEG Likely Quarternary Molecular Structure file(s) for 1MEG Structure Factors (87 Kb) Retrieve 1MEG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1MEG from S2C, [Save to disk] Re-refined 1meg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1MEG 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 1MEG

Ramachandran plot from PDBSum

Structure-derived information

Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1MEG, from MSDmotif at EBI Genome occurence of 1MEG's fold from GeneCensus Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1meg__, 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: [1meg_A] [1meg] SWISS-PROT database: [P10056] Domain organization of [PAPA3_CARPA] by SWISSPFAM Domain found in 1MEG: [Pept_C1 ] by SMART

Other resources with information on 1MEG

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

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Images from IMB Jena Image Library of Biological Macromolecules.

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