BSU37820 ipa-73d 283 Spore coat polysaccharide biosynthesis protein spsK MTKVLVTGAGGQLGLELCRQLKQAGYEVIALTKKMMNIADQRSVRHSFGHYQPDIVVNSAAFTSVDQCEKELDKAYLINGIGAYYTALESTRIGAQYVHISTDYVFNGKGTQPYREDDPLDPKTIYGKSKRLGEELIRLTTKDSTIIRTSWVYGHGGSNFVETMLKLAETKQELRVVSDQIGSPTYTKDLAEAVIKLFSHPPGIYHVSNSGICSWYEFATAIMEESGLETAILSVTTEEYGNKTPRPAYSVLSHRAIEEAGIRPRHWREALREYLQERSSACD spsK SPSK_BACSU