3I58	Transferase	date	Jul 03, 2009
title	Crystal Structure Of An O-Methyltransferase (Ncsb1) From Neocarzinostatin Biosynthesis In Complex With S-Adenosyl-L- Homocysteine (Sah) And 2-Hydroxy-7-Methoxy-5-Methyl Naphtho (Na)
authors	H.A.Cooke, S.D.Bruner
compound		source
Molecule: O-Methyltransferase Chain: A, B Ec: 2.1.1.- Engineered: Yes		Organism_scientific: Streptomyces Carzinostaticus Subsp. Neocarzinostaticus; Organism_taxid: 167636 Atcc: 15944 Gene: Ncsb1 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_vector: Pet-30xalic Expression_system_plasmid: Pbs5002
symmetry	Space Group: P 65	R_factor 0.212 R_Free 0.247
crystal cell	length a length b length c angle alpha angle beta angle gamma 108.392 108.392 210.321 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.69 Å
ligand	7NA, GOL, SAH	enzyme	Transferase E.C.2.1.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Molecular basis of substrate promiscuity for the SAM-dependent O-methyltransferase NcsB1, involved in the biosynthesis of the enediyne antitumor antibiotic neocarzinostatin., Cooke HA, Guenther EL, Luo Y, Shen B, Bruner SD, Biochemistry. 2009 Aug 25. PMID:19702337

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (106 Kb) [Save to disk] Biological Unit Coordinates (3i58.pdb1.gz) 101 Kb LPC: Ligand-Protein Contacts for 3I58 CSU: Contacts of Structural Units for 3I58 Structure Factors (487 Kb) Retrieve 3I58 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3I58 from S2C, [Save to disk] Re-refined 3i58 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

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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 3I58, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3i58] [3i58_A] [3i58_B] SWISS-PROT database: [Q84HC8] Domain organization of [Q84HC8_STRCZ] by SWISSPFAM

Other resources with information on 3I58

Community annotation for 3I58 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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