This protein of unknown function is part of the Borrelidin synthesis genomic cluster. Borrelidin is a polyketide antibiotic [1,2].

1: Biosynthesis of the angiogenesis inhibitor borrelidin by Streptomyces parvulus Tu4055: insights into nitrile formation. Olano C, Moss SJ, Brana AF, Sheridan RM, Math V, Weston AJ, Mendez C, Leadlay PF, Wilkinson B, Salas JA; Mol Microbiol. 2004;52:1745-1756. PMID:15186422

2: Biosynthesis of the angiogenesis inhibitor borrelidin by Streptomyces parvulus Tu4055: cluster analysis and assignment of functions. Olano C, Wilkinson B, Sanchez C, Moss SJ, Sheridan R, Math V, Weston AJ, Brana AF, Martin CJ, Oliynyk M, Mendez C, Leadlay PF, Salas JA; Chem Biol. 2004;11:87-97. PMID:15112998