1JR4	Transferase	date	Aug 10, 2001
title	Catechol O-Methyltransferase Bisubstrate-Inhibitor Complex
authors	A.Ruf, M.Stihle
compound		source
Molecule: Catechol O-Methyltransferase, Soluble Form Chain: A Synonym: S-Comt Ec: 2.1.1.6 Engineered: Yes		Organism_scientific: Rattus Norvegicus Organism_common: Norway Rat Organism_taxid: 10116 Expression_system: Escherichia Coli Expression_system_taxid: 562
symmetry	Space Group: P 32 2 1	R_factor 0.223 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 50.600 50.600 167.700 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.63 Å
ligand	CL4, MG	enzyme	Transferase E.C.2.1.1.6 BRENDA
related structures	by homologous chain: 1VID
Gene Ontology	Chain Function Process Component A
Primary reference	X-ray Crystal Structure of a Bisubstrate Inhibitor Bound to the Enzyme Catechol-O-methyltransferase: A Dramatic Effect of Inhibitor Preorganization on Binding Affinity We thank F. Hoffmann-La Roche for generous support of this work. We are grateful to P. Malherbe for the cloning of COMT, P. Caspers for the expression of COMT, A. Cesura for enzyme purification, B. Wipf for fermentation, and H. W. Lahm for sequencing. , Lerner C, Ruf A, Gramlich V, Masjost B, Zurcher G, Jakob-Roetne R, Borroni E, Diederich F, Angew Chem Int Ed Engl. 2001 Nov 5;40(21):4040-4042. PMID:12404486

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (40 Kb) [Save to disk] Biological Unit Coordinates (1jr4.pdb1.gz) 35 Kb LPC: Ligand-Protein Contacts for 1JR4 CSU: Contacts of Structural Units for 1JR4 Likely Quarternary Molecular Structure file(s) for 1JR4 Structure Factors (62 Kb) Retrieve 1JR4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1JR4 from S2C, [Save to disk] Re-refined 1jr4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1JR4 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 1JR4

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 1JR4, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1jr4a_, 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: [1jr4_A] [1jr4] SWISS-PROT database: [P22734] Domain organization of [COMT_RAT] by SWISSPFAM

Other resources with information on 1JR4

Community annotation for 1JR4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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