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 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	cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation adenylate cyclase-activating G protein-coupled receptor signaling pathway cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cellular process signal transduction trans-synaptic signaling regulation of signaling cellular response to stimulus regulation of biological process regulation of cellular process response to stimulus signaling biological regulation adenylate cyclase-activating G protein-coupled receptor signaling pathway cell communication adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway cellular process signal transduction trans-synaptic signaling regulation of signaling modulation of chemical synaptic transmission cell-cell signaling chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling regulation of cell communication negative regulation of signaling negative regulation of intracellular signal transduction negative regulation of biological process regulation of signal transduction negative regulation of cAMP/PKA signal transduction intracellular signal transduction negative regulation of cell communication cAMP/PKA signal transduction regulation of intracellular signal transduction intracellular signaling cassette negative regulation of cellular process negative regulation of response to stimulus negative regulation of signal transduction regulation of cAMP/PKA signal transduction regulation of response to stimulus	cell periphery cellular anatomical structure sarcolemma plasma membrane membrane T-tubule membrane-bounded organelle intracellular anatomical structure axoneme ciliary plasm cilium intracellular membraneless organelle cytoplasmic region plasma membrane bounded cell projection cytoplasm cell periphery cellular anatomical structure sarcolemma plasma membrane membrane T-tubule membrane-bounded organelle intracellular anatomical structure axoneme ciliary plasm cilium intracellular membraneless organelle cytoplasmic region plasma membrane bounded cell projection cytoplasm plasma membrane bounded cell projection intracellular organelle cell projection cytoskeleton organelle membraneless organelle cytoplasm centrosome microtubule organizing center microtubule cytoskeleton 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	protein localization localization cellular localization cellular macromolecule localization macromolecule localization cellular process	membrane-bounded organelle intracellular organelle cellular anatomical structure intracellular anatomical structure mitochondrion organelle cytoplasm intracellular membrane-bounded organelle cell periphery plasma membrane membrane

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	IPR050503	cAMP-dependent protein kinase regulatory subunit-like	Family
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	IPR052246	Cell Polarization and PKA Anchoring	Family
E, F	IPR036305	RGS domain superfamily	Homologous Superfamily
E, F	IPR044926	RGS, subdomain 2	Homologous Superfamily

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), 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 R01GM157729.