>sp|P54977|CRTB_STRGR Phytoene synthase OS=Streptomyces griseus GN=crtB MTVHELDAAGIHDPALRAAYTRCRGLNARHGKTYFLATRLLPVDRRPAVHALYGFARWAD DIVDDLDTPATPGERARALLGLEAQLEAGLRGARAAEPVIRALADTAARYTIDHRHFTDF LSSMRSDLTVGGYASYEELGRYMHGSAAVIGLQMLPVLGTVVAREEAAPHAAALGVAFQL TNFLRDVGEDLDRGRLYLPTELLAAHGADRDRFEWSRSTGMPDSRITDVLRAAAAHNRAV YRAALPGIAMLAPVSRPCIRTAFVLYSGILDAIEADGYAVLHRRAVVPRRRRAAVALDGL VRAVAVRTVCRRRADAVDASRSAELSRPRTAGGPAPVRREAV