5XBY

Crystal structure of the PKA-Protein A fusion protein (end-to-end fusion)

External Resource: Annotation

Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	Bacterial immunoglobulin/albumin-binding domains	8091639	3001373	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Dpy-30/Rlla-like	8077008	3001874	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Bacterial immunoglobulin/albumin-binding domains	8091639	3001373	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Bacterial immunoglobulin/albumin-binding domains	8091639	3001373	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Dpy-30/Rlla-like	8077008	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	e5xbyA1	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	B	e5xbyB1	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Bacterial immunoglobulin/albumin-binding domains (From Topology)	T: Bacterial immunoglobulin/albumin-binding domains	F: B	ECOD (1.6)
B	RIIa	e5xbyB2	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	B	e5xbyC2	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Bacterial immunoglobulin/albumin-binding domains (From Topology)	T: Bacterial immunoglobulin/albumin-binding domains	F: B	ECOD (1.6)
C	RIIa	e5xbyC1	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	B	e5xbyD2	A: alpha bundles	X: immunoglobulin/albumin-binding domain-like	H: Bacterial immunoglobulin/albumin-binding domains (From Topology)	T: Bacterial immunoglobulin/albumin-binding domains	F: B	ECOD (1.6)
D	RIIa	e5xbyD1	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)

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
A, B, C, D	PF02216	B domain (B)	B domain	This family contains the B domain of Staphylococcal protein A, which specifically binds to the Fc portion of immunoglobulin G.	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,Immunoglobulin G-binding protein A	protein-containing complex binding binding immunoglobulin binding IgG binding protein 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-containing complex binding binding immunoglobulin binding IgG binding protein 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 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 small molecule 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	cellular response to stimulus regulation of cellular process response to stimulus signaling 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 cell communication cAMP/PKA signal transduction regulation of intracellular signal transduction intracellular signaling cassette cellular response to stimulus regulation of cellular process response to stimulus signaling 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 cell communication cAMP/PKA signal transduction regulation of intracellular signal transduction intracellular signaling cassette negative regulation of cellular process signal transduction regulation of biological process regulation of signaling negative regulation of response to stimulus biological regulation negative regulation of signal transduction regulation of cAMP/PKA signal transduction regulation of response to stimulus regulation of cell communication cellular process regulation of protein modification process regulation of protein phosphorylation regulation of primary metabolic process regulation of phosphate metabolic process phosphate-containing compound metabolic process protein metabolic process protein modification process phosphorus 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	extracellular region cellular anatomical entity anchoring junction cell junction focal adhesion cell-substrate junction membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular region cellular anatomical entity anchoring junction cell junction focal adhesion cell-substrate junction membrane extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular organelle centrosome microtubule organizing center intracellular anatomical structure cytoskeleton intracellular non-membrane-bounded organelle microtubule cytoskeleton non-membrane-bounded organelle cytoplasm cytosol cell periphery plasma membrane protein-containing complex ciliary base cell projection cilium plasma membrane bounded cell projection 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR009063	Immunoglobulin/albumin-binding domain superfamily	Homologous Superfamily
A, B, C, D	IPR005877	YSIRK Gram-positive signal peptide	Domain
A, B, C, D	IPR036779	LysM domain superfamily	Homologous Superfamily
A, B, C, D	IPR005038	Octapeptide repeat	Repeat
A, B, C, D	IPR003132	Protein A, Ig-binding domain	Domain
A, B, C, D	IPR018392	LysM domain	Domain
A, B, C, D	IPR019931	LPXTG cell wall anchor domain	Domain
A, B, C, D	IPR050503	cAMP-dependent kinase regulatory chain	Family
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

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B, C, D	Pharos: P13861	anorexia nervosa large cell medulloblastoma osteosarcoma psoriasis atypical teratoid rhabdoid tumor medulloblastoma ovarian cancer subependymal giant cell astrocytoma endogenous depression myocardial infarction pancreatic ductal adenocarcinoma

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.