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)
BFe_bilin_rede4dinB2 A: beta barrelsX: Rossmann-likeH: Rossmann-relatedT: NagB/RpiA/CoA transferase-likeF: Fe_bilin_redECOD (v294.2)
BDUF4488e4dinB1 A: beta barrelsX: Lipocalins/StreptavidinH: hypothetical protein BACOVA_00364T: hypothetical protein BACOVA_00364F: DUF4488ECOD (v294.2)
APkinasee4dinA2 A: beta barrelsX: PH domain-likeH: PH domain-likeT: PH domain-likeF: PkinaseECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

ChainDomainClassArchitectureTopologyHomologyProvenance Source (Version)
B2.60.120.10 Mainly Beta Sandwich Jelly Rolls Jelly RollsCATH (4.3.0)
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)

Protein Family Annotation Pfam Database Homepage

ChainsAccessionNameDescriptionCommentsSource
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
PF00069Protein kinase domain (Pkinase)Protein kinase domainDomain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

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

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