##gff-version 3 Q2JWR6 UniProtKB Chain 1 75 . . . ID=PRO_5023254787;Note=S-adenosylmethionine decarboxylase beta chain;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Chain 76 152 . . . ID=PRO_5023254786;Note=S-adenosylmethionine decarboxylase alpha chain;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Active site 76 76 . . . Note=Schiff-base intermediate with substrate%3B via pyruvic acid;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Active site 81 81 . . . Note=Proton acceptor%3B for processing activity;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Active site 96 96 . . . Note=Proton donor%3B for catalytic activity;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Site 75 76 . . . Note=Cleavage (non-hydrolytic)%3B by autolysis;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464 Q2JWR6 UniProtKB Modified residue 76 76 . . . Note=Pyruvic acid (Ser)%3B by autocatalysis;Ontology_term=ECO:0000256;evidence=ECO:0000256|HAMAP-Rule:MF_00464