##gff-version 3 P51817 UniProtKB Chain 1 358 . . . ID=PRO_0000086582;Note=CAMP-dependent protein kinase catalytic subunit PRKX P51817 UniProtKB Domain 49 303 . . . Note=Protein kinase;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 P51817 UniProtKB Domain 304 358 . . . Note=AGC-kinase C-terminal;Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00618 P51817 UniProtKB Region 1 34 . . . Note=Disordered;Ontology_term=ECO:0000256;evidence=ECO:0000256|SAM:MobiDB-lite P51817 UniProtKB Active site 172 172 . . . Note=Proton acceptor;Ontology_term=ECO:0000255,ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159,ECO:0000255|PROSITE-ProRule:PRU10027 P51817 UniProtKB Binding site 55 63 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 P51817 UniProtKB Binding site 78 78 . . . Ontology_term=ECO:0000255;evidence=ECO:0000255|PROSITE-ProRule:PRU00159 P51817 UniProtKB Modified residue 1 1 . . . Note=N-acetylmethionine;Ontology_term=ECO:0007744;evidence=ECO:0007744|PubMed:22814378;Dbxref=PMID:22814378 P51817 UniProtKB Modified residue 203 203 . . . Note=Phosphothreonine;Ontology_term=ECO:0000250;evidence=ECO:0000250|UniProtKB:Q922R0 P51817 UniProtKB Natural variant 43 43 . . . ID=VAR_061744;Note=V->A;Dbxref=dbSNP:rs3752362 P51817 UniProtKB Mutagenesis 78 78 . . . Note=Loss of function. K->R;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:12082174;Dbxref=PMID:12082174 P51817 UniProtKB Mutagenesis 93 93 . . . Note=Constitutive kinase activity%3B when associated with R-202. H->Q;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:16236808;Dbxref=PMID:16236808 P51817 UniProtKB Mutagenesis 202 202 . . . Note=Constitutive kinase activity%3B when associated with Q-93. W->R;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:16236808;Dbxref=PMID:16236808 P51817 UniProtKB Mutagenesis 283 283 . . . Note=Increases the affinity for PRKAR2A and PRKAR2B. R->L;Ontology_term=ECO:0000269;evidence=ECO:0000269|PubMed:20819953;Dbxref=PMID:20819953