2HG4	Transferase	date	Jun 26, 2006
title	Structure Of The Ketosynthase-Acyltransferase Didomain Of Mo From Debs.
authors	Y.Tang, C.Y.Kim, I.I.Mathews, D.E.Cane, C.Khosla
compound		source
Molecule: 6-Deoxyerythronolide B Synthase Chain: A, B, C, D, E, F Fragment: Ketosynthase-Acyltransferase Didomain Of Didomain Synonym: Debs Ec: 2.3.1.94 Engineered: Yes		Organism_scientific: Saccharopolyspora Erythraea Organism_taxid: 1836 Gene: Erya Expression_system: Escherichia Coli Bl21 Expression_system_taxid: 511693 Expression_system_strain: Bl21 Expression_system_vector_type: Plasmid Expression_system_plasmid: Payc10
symmetry	Space Group: C 1 2 1	R_factor 0.216 R_Free 0.255
crystal cell	length a length b length c angle alpha angle beta angle gamma 305.258 150.149 184.378 90.00 110.03 90.00
method	X-Ray Diffraction	resolution	2.73 Å
ligand	ACT, CL, MSE, SO4	enzyme	Transferase E.C.2.3.1.94 BRENDA
Gene Ontology	Chain Function Process Component F, A, D, C, E, B
Primary reference	The 2.7-A crystal structure of a 194-kDa homodimeric fragment of the 6-deoxyerythronolide B synthase., Tang Y, Kim CY, Mathews II, Cane DE, Khosla C, Proc Natl Acad Sci U S A. 2006 Jul 25;103(30):11124-9. Epub 2006 Jul 14. PMID:16844787

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (800 Kb) [Save to disk] Biological Unit Coordinates (2hg4.pdb1.gz) 271 Kb Biological Unit Coordinates (2hg4.pdb2.gz) 271 Kb Biological Unit Coordinates (2hg4.pdb3.gz) 268 Kb LPC: Ligand-Protein Contacts for 2HG4 CSU: Contacts of Structural Units for 2HG4 Likely Quarternary Molecular Structure file(s) for 2HG4 Structure Factors (3334 Kb) Retrieve 2HG4 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2HG4 from S2C, [Save to disk] Re-refined 2hg4 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2HG4 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 2HG4

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 2HG4, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2hg4_B] [2hg4_A] [2hg4_E] [2hg4] [2hg4_D] [2hg4_F] [2hg4_C] SWISS-PROT database: [Q03133] [Q5UNP4] Domain organization of [ERYA3_SACER] [Q5UNP4_SACER] by SWISSPFAM Domains found in 2HG4: [PKS_AT] [PKS_KS ] by SMART

Other resources with information on 2HG4

Community annotation for 2HG4 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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