bcj:BCAM2360 K06139 PqqA peptide cyclase [EC:1.21.98.4] | (GenBank) pqqE; coenzyme PQQ synthesis protein E bcj:BCAM2361A K06138 pyrroloquinoline quinone biosynthesis protein D | (GenBank) pqqD; coenzyme PQQ synthesis protein D bcj:BCAM2362 K06137 pyrroloquinoline-quinone synthase [EC:1.3.3.11] | (GenBank) pqqC; coenzyme PQQ synthesis protein C