2HWN

Crystal Structure of RII alpha Dimerization/Docking domain of PKA bound to the D-AKAP2 peptide

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d2hwna_	All alpha proteins	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	automated matches	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
B	d2hwnb_	All alpha proteins	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	automated matches	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
C	d2hwnc_	All alpha proteins	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	automated matches	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)
D	d2hwnd_	All alpha proteins	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	automated matches	Norway rat (Rattus norvegicus ) [TaxId: 10116 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Dimerization-anchoring domain of cAMP-dependent PK regulatory subunit	8030080	4000882	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Dpy-30/Rlla-like	8042459	3001874	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Dpy-30/Rlla-like	8042459	3001874	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Dpy-30/Rlla-like	8042459	3001874	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Dpy-30/Rlla-like	8042459	3001874	SCOP2B (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	RIIa	e2hwnA1	A: alpha duplicates or obligate multimers	X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit	F: RIIa	ECOD (1.6)
B	RIIa	e2hwnB1	A: alpha duplicates or obligate multimers	X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit	F: RIIa	ECOD (1.6)
C	RIIa	e2hwnC1	A: alpha duplicates or obligate multimers	X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit	F: RIIa	ECOD (1.6)
D	RIIa	e2hwnD1	A: alpha duplicates or obligate multimers	X: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	H: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit (From Topology)	T: Dimerization-anchoring domain of cAMP-dependent type II PK regulatory subunit	F: RIIa	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	1.20.890.10	Mainly Alpha	Up-down Bundle	cAMP-dependent Protein Kinase, Chain A	cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain	CATH (4.3.0)
C	1.20.890.10	Mainly Alpha	Up-down Bundle	cAMP-dependent Protein Kinase, Chain A	cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain	CATH (4.3.0)
D	1.20.890.10	Mainly Alpha	Up-down Bundle	cAMP-dependent Protein Kinase, Chain A	cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF02197	Regulatory subunit of type II PKA R-subunit (RIIa)	Regulatory subunit of type II PKA R-subunit	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	cAMP-dependent protein kinase type II-alpha regulatory subunit	protein binding binding protein domain specific binding enzyme regulator activity enzyme inhibitor activity protein kinase regulator activity cAMP-dependent protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity cAMP-dependent protein kinase inhibitor activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity protein binding binding protein domain specific binding enzyme regulator activity enzyme inhibitor activity protein kinase regulator activity cAMP-dependent protein kinase regulator activity protein kinase inhibitor activity molecular function inhibitor activity molecular function regulator activity cAMP-dependent protein kinase inhibitor activity protein serine/threonine kinase inhibitor activity kinase inhibitor activity kinase regulator activity beta-2 adrenergic receptor binding adrenergic receptor binding signaling receptor binding G protein-coupled receptor binding small molecule binding adenyl ribonucleotide binding cyclic nucleotide binding nucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding cAMP binding adenyl nucleotide binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding protein-containing complex binding ubiquitin protein ligase binding ubiquitin-like protein ligase binding enzyme binding protein kinase A catalytic subunit binding protein kinase A binding kinase binding protein kinase binding identical protein binding	trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication trans-synaptic signaling regulation of biological process regulation of signaling regulation of cellular process modulation of chemical synaptic transmission signaling biological regulation cell-cell signaling chemical synaptic transmission cell communication synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication cellular process regulation of protein modification process regulation of protein phosphorylation regulation of primary metabolic process organic substance metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process protein modification process phosphorus metabolic process organonitrogen compound metabolic process protein phosphorylation phosphorylation regulation of protein metabolic process cellular metabolic process primary metabolic process regulation of cellular metabolic process regulation of macromolecule metabolic process macromolecule modification metabolic process regulation of phosphorylation regulation of phosphorus metabolic process macromolecule metabolic process regulation of metabolic process	cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule cytoskeleton cell periphery sarcolemma plasma membrane membrane T-tubule cellular anatomical entity intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton organelle intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol protein-containing complex synapse cell junction glutamatergic synapse perinuclear region of cytoplasm protein kinase complex transferase complex, transferring phosphorus-containing groups catalytic complex transferase complex intracellular protein-containing complex nucleotide-activated protein kinase complex cAMP-dependent protein kinase complex serine/threonine protein kinase complex membrane microdomain membrane raft plasma membrane raft plasma membrane region
E, F	A Kinase binding peptide	kinase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups protein kinase A binding protein binding binding	phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A, B, C, D	IPR018488	Cyclic nucleotide-binding, conserved site	Conserved Site
A, B, C, D	IPR003117	cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain	Domain
A, B, C, D	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B, C, D	IPR012198	cAMP-dependent protein kinase regulatory subunit	Family
A, B, C, D	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
E, F	IPR016137	RGS domain	Domain
E, F	IPR037719	A-kinase anchor protein 10, PKA-binding (AKB) domain	Domain
E, F	IPR036305	RGS domain superfamily	Homologous Superfamily
E, F	IPR044926	RGS, subdomain 2	Homologous Superfamily

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.