1OBN	Oxidoreductase	date	Jan 31, 2003
title	Isopenicillin N Synthase Aminoadipoyl-Cysteinyl-Aminobutyrat Complex
authors	A.J.Long, I.J.Clifton, P.L.Roach, J.E.Baldwin, C.J.Schofield, P.J
compound		source
Molecule: Isopenicillin N Synthetase Chain: A Synonym: Isopenicillin N Synthase Engineered: Yes		Organism_scientific: Emericella Nidulans Organism_common: Aspergillus Nidulans Organism_taxid: 162425 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Nm554 Expression_system_plasmid: Pjb703
symmetry	Space Group: P 21 21 21	R_factor 0.166 R_Free 0.189
crystal cell	length a length b length c angle alpha angle beta angle gamma 46.750 71.350 101.200 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.30 Å
ligand	ASV, FE2, HOA, SO4	enzyme
related structures	by homologous chain: 1BK0, 1W04
Gene Ontology	Chain Function Process Component A
Primary reference	Structural studies on the reaction of isopenicillin N synthase with the substrate analogue delta-(l-alpha-aminoadipoyl)-l-cysteinyl-d-alpha-aminobutyrate., Long AJ, Clifton IJ, Roach PL, Baldwin JE, Schofield CJ, Rutledge PJ, Biochem J 2003 Jun 15;372(Pt 3):687-93. PMID:12622704

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (67 Kb) [Save to disk] Biological Unit Coordinates (1obn.pdb1.gz) 58 Kb LPC: Ligand-Protein Contacts for 1OBN CSU: Contacts of Structural Units for 1OBN Likely Quarternary Molecular Structure file(s) for 1OBN Structure Factors (515 Kb) Retrieve 1OBN in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 1OBN from S2C, [Save to disk] Re-refined 1obn structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 1OBN 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 1OBN

Ramachandran plot from PDBSum

Structure-derived information

Conformational Epitope Prediction for 1OBN from the CEP Server. Electron Density related parameters from EDS Electron Density Server, at Upsala Dipole moment, from Dipole Server at Weizmann Institute 3D motif for 1OBN, from MSDmotif at EBI Classification of representative domains in scop (Structural Classification of Proteins)     - Domain d1obna_, 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: [1obn] [1obn_A] SWISS-PROT database: [P05326] Domain organization of [IPNS_EMENI] by SWISSPFAM

Other resources with information on 1OBN

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

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