The missing linker: a dimerization motif located within polyketide synthase modules.

Dimerization element 1 of spinosyn synthase
Residues 1-3 are remnants of a thrombin-cleaved hexahistidine tag

polyketide synthase loading and extender module 1 [Saccharopolyspora spinosa]

polyketide synthase [Saccharopolyspora spinosa]

Chemical shift values for the dimerization element from the first module of spinosyn synthase

Keatinge-Clay Group, University of Texas at Austin