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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
Pt 5
pubmed:dateCreated
2007-4-27
pubmed:abstractText
gamma-Butyrolactones play an important role in the regulation of antibiotic production and differentiation in Streptomyces. However the biosynthetic pathway for these small molecules has not yet been determined, and in vitro synthesis has not been reported. The function of the AfsA family of proteins, originally proposed to catalyse gamma-butyrolactone synthesis, has been in debate. To clarify the function of the AfsA family, and to understand the synthesis of the gamma-butyrolactones, we performed in silico analysis of this protein family. AfsA proteins consist of two divergent domains, each of which has similarity to the fatty acid synthesis enzymes FabA and FabZ. The two predicted active sites in ScbA, which is the AfsA orthologue found in Streptomyces coelicolor, were mutated, and gamma-butyrolactone biosynthesis was abolished in all four constructed mutants, strongly suggesting that ScbA has enzymic activity.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1350-0872
pubmed:author
pubmed:issnType
Print
pubmed:volume
153
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1394-404
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
ScbA from Streptomyces coelicolor A3(2) has homology to fatty acid synthases and is able to synthesize gamma-butyrolactones.
pubmed:affiliation
Mikrobiologie/Biotechnologie, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 28, 72076 Tübingen, Germany.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't