3EQ6	Ligase	date	Sep 30, 2008
title	Crystal Structure Of Human Acyl-Coa Synthetase Medium-Chain Member 2a (L64p Mutation) In A Ternary Complex With Product
authors	E.S.Pilka, G.Kochan, W.W.Yue, C.Bhatia, F.Von Delft, C.H.Arrowsmi A.M.Edwards, J.Weigelt, C.Bountra, U.Oppermann, Structural Geno Consortium (Sgc)
compound		source
Molecule: Acyl-Coenzyme A Synthetase Acsm2a Chain: A, B Fragment: Unp Residues 32-577 Synonym: Acyl-Coa Synthetase Medium-Chain Family Member 2a, Chain Acyl-Coa Synthetase 2a, Butyryl Coenzyme A Synthetase Butyrate-Coa Ligase 2a; Ec: 6.2.1.2 Engineered: Yes Mutation: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Acsm2a Expression_system: Trichoplusia Ni Expression_system_taxid: 7111 Expression_system_strain: High Five Expression_system_vector_type: Baculovirus
symmetry	Space Group: P 1 21 1	R_factor 0.187 R_Free 0.236
crystal cell	length a length b length c angle alpha angle beta angle gamma 57.028 98.041 116.660 90.00 94.12 90.00
method	X-Ray Diffraction	resolution	2.40 Å
ligand	AMP, BCO	enzyme	Ligase E.C.6.2.1.2 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Structural snapshots for the conformation-dependent catalysis by human medium-chain acyl-coenzyme A synthetase ACSM2A., Kochan G, Pilka ES, von Delft F, Oppermann U, Yue WW, J Mol Biol. 2009 May 22;388(5):997-1008. Epub 2009 Apr 1. PMID:19345228

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (183 Kb) [Save to disk] Biological Unit Coordinates (3eq6.pdb1.gz) 92 Kb Biological Unit Coordinates (3eq6.pdb2.gz) 88 Kb LPC: Ligand-Protein Contacts for 3EQ6 CSU: Contacts of Structural Units for 3EQ6 Likely Quarternary Molecular Structure file(s) for 3EQ6 Structure Factors (687 Kb) Retrieve 3EQ6 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3EQ6 from S2C, [Save to disk] Re-refined 3eq6 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3EQ6 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 3EQ6

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

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3eq6_A] [3eq6] [3eq6_B] SWISS-PROT database: [Q08AH3] Domain organization of [ACS2A_HUMAN] by SWISSPFAM

Other resources with information on 3EQ6

Community annotation for 3EQ6 at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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