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Novel Localization and Quaternary Structure of the PKA RI beta Holoenzyme


Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

ChainsTypeFamily Name Domain Identifier Family IdentifierProvenance Source (Version)
ASCOP2B SuperfamilyProtein kinase-like (PK-like) 8040503 3000066 SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

ChainsFamily NameDomain Identifier ArchitecturePossible HomologyHomologyTopologyFamilyProvenance Source (Version)
APkinasee4dinA2 A: alpha arraysX: DEATH domainH: PH domain-likeT: PH domain-likeF: PkinaseECOD (v295.2)
BFe_bilin_rede4dinB2 A: alpha arraysX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: Fe_bilin_redECOD (v295.2)
BDUF4488e4dinB1 A: alpha arraysX: Alpha-beta plaitsH: Phage tail protein-likeT: Phage tail protein-likeF: DUF4488ECOD (v295.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
A1.10.510.10 Mainly Alpha Orthogonal Bundle Transferase(Phosphotransferase) domain 1CATH (4.3.0)
A3.30.200.20 Alpha Beta 2-Layer Sandwich Phosphorylase Kinase domain 1CATH (4.3.0)
B2.60.120.10 Mainly Beta Sandwich Jelly Rolls Jelly RollsCATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
PF00069Protein kinase domain (Pkinase)Protein kinase domainDomain
PF02197Regulatory subunit of type II PKA R-subunit (RIIa)Regulatory subunit of type II PKA R-subunitDomain
PF00027Cyclic nucleotide-binding domain (cNMP_binding)Cyclic nucleotide-binding domainThis domain sensor domain can bind cAMP, cGMP, c-di-GMP, oxygen and 2-oxoglutarate (Matilla et. al., FEMS Microbiology Reviews, fuab043, 45, 2021, 1. https://doi.org/10.1093/femsre/fuab043). Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

ChainsPolymerMolecular FunctionBiological ProcessCellular Component
cAMP-dependent protein kinase catalytic subunit alpha
cAMP-dependent protein kinase type I-beta regulatory subunit

Protein Modification Annotation

Modified Residue(s)
ChainResidue(s)Description
SEP Parent Component: SER

:  AA0037

:  O-phospho-L-serine MOD:00046
TPO Parent Component: THR

:  AA0037 , AA0038

:  O-phospho-L-serine MOD:00046 , O-phospho-L-threonine MOD:00047