4B0N	Transferase	date	Jul 03, 2012
title	Crystal Structure Of Pks-I From The Brown Algae Ectocarpus S
authors	C.Leroux, L.Meslet-Cladiere, L.Delage, S.Goulitquer, C.Leblanc, E V.Stiger-Pouvreau, P.Potin, M.Czjzek
compound		source
Molecule: Polyketide Synthase III Chain: A, B Synonym: Type III Polyketide Synthase Ec: 2.3.1.- Engineered: Yes Other_details: Covalent Link Between C 194 And The Acetyl G The Fatty Acid Ligand		Organism_scientific: Ectocarpus Siliculosus Organism_common: Brown Algae Organism_taxid: 2880 Strain: Ec32 Expression_system: Escherichia Coli Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_variant: Codonplus-Rilp Expression_system_vector_type: Plasmid Expression_system_vector: Pqe-80l
symmetry	Space Group: P 21 21 21	R_factor 0.211 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 61.320 83.395 152.729 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.85 Å
ligand	ACD, MLA	enzyme	Transferase E.C.2.3.1 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structure/Function Analysis of a Type III Polyketide Synthase in the Brown Alga Ectocarpus siliculosus Reveals a Biochemical Pathway in Phlorotannin Monomer Biosynthesis., Meslet-Cladiere L, Delage L, J-J Leroux C, Goulitquer S, Leblanc C, Creis E, Gall EA, Stiger-Pouvreau V, Czjzek M, Potin P, Plant Cell. 2013 Aug 27. PMID:23983220

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (242 Kb) [Save to disk] Biological Unit Coordinates (4b0n.pdb1.gz) 236 Kb LPC: Ligand-Protein Contacts for 4B0N CSU: Contacts of Structural Units for 4B0N Structure Factors (277 Kb) Retrieve 4B0N in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 4B0N from S2C, [Save to disk] Re-refined 4b0n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 4B0N 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 4B0N

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 4B0N, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [4b0n_B] [4b0n_A] [4b0n] SWISS-PROT database: Domain organization of by SWISSPFAM

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