4yxq

Structural highlights

Function

[PKSG_BACSU] Involved in some intermediate steps for the synthesis of the antibiotic polyketide bacillaene which is involved in secondary metabolism. It catalyzes the aldol condensation between the acetyl group attached to the acyl-carrier-protein AcpK (Ac-AcpK) and a beta-ketothioester polyketide intermediate linked to one of the consecutive thiolation domains of PksL.^{[1] [2]}

References

1. ↑ Calderone CT, Kowtoniuk WE, Kelleher NL, Walsh CT, Dorrestein PC. Convergence of isoprene and polyketide biosynthetic machinery: isoprenyl-S-carrier proteins in the pksX pathway of Bacillus subtilis. Proc Natl Acad Sci U S A. 2006 Jun 13;103(24):8977-82. Epub 2006 Jun 6. PMID:16757561 doi:http://dx.doi.org/10.1073/pnas.0603148103
2. ↑ Butcher RA, Schroeder FC, Fischbach MA, Straight PD, Kolter R, Walsh CT, Clardy J. The identification of bacillaene, the product of the PksX megacomplex in Bacillus subtilis. Proc Natl Acad Sci U S A. 2007 Jan 30;104(5):1506-9. Epub 2007 Jan 18. PMID:17234808 doi:http://dx.doi.org/10.1073/pnas.0610503104