Biochemical State of the Aryl Carrier Protein Directs Sequential Domain-Domain Interactions in the Yersiniabactin Synthetase System
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چکیده
منابع مشابه
Selectivity of the yersiniabactin synthetase adenylation domain in the two-step process of amino acid activation and transfer to a holo-carrier protein domain.
The adenylation (A) domain of the Yersinia pestis nonribosomal peptide synthetase that biosynthesizes the siderophore yersiniabactin (Ybt) activates three molecules of L-cysteine and covalently aminoacylates the phosphopantetheinyl (P-pant) thiols on three peptidyl carrier protein (PCP) domains embedded in the two synthetase subunits, two in cis (PCP1, PCP2) in subunit HMWP2 and one in trans (P...
متن کاملExpression, purification, and characterization of HMWP2, a 229 kDa, six domain protein subunit of Yersiniabactin synthetase.
The six domain, 229 kDa HMWP2 subunit of the Yersinia pestis yersiniabactin (Ybt) synthetase has been expressed in soluble, full-length form in E. coli as a C-terminal His8 construct at low growth temperatures and with attenuated induction. All six domains of this nonribosomal peptide synthetase subunit, three phosphopantetheinylatable carrier protein domains (ArCP, PCP1, PCP2), one adenylation...
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Some of the most therapeutically interesting natural products are mixed polyketide/nonribosomal peptide molecules, including bleomycin and epothilones (anticancer agents) and FK506 and rapamycin (immunosuppressive drugs).1-3 These enzymatically assembled molecules are encoded by multimodular protein arrays that, through their chain-ordering, determine the structure of the natural product elonga...
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ژورنال
عنوان ژورنال: Biophysical Journal
سال: 2015
ISSN: 0006-3495
DOI: 10.1016/j.bpj.2014.11.2790