1RL3

Crystal structure of cAMP-free R1a subunit of PKA

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	d1rl3a1	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	cAMP-binding domain	Regulatory subunit of Protein kinase A	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)
B	d1rl3b1	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	cAMP-binding domain	Regulatory subunit of Protein kinase A	cattle (Bos taurus ) [TaxId: 9913 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	cAMP-binding domain-like	8036784	3000084	SCOP2B (2022-06-29)
A	SCOP2B Superfamily	cAMP-binding domain-like	8036785	3000084	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	cAMP-binding domain-like	8036785	3000084	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	cAMP-binding domain-like	8036784	3000084	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	cNMP_binding_1	e1rl3A2	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: cNMP_binding_1	ECOD (1.6)
B	cNMP_binding_1	e1rl3B1	A: beta sandwiches	X: jelly-roll	H: Double-stranded beta-helix (From Topology)	T: Double-stranded beta-helix	F: cNMP_binding_1	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)
B	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF00027	Cyclic nucleotide-binding domain (cNMP_binding)	Cyclic nucleotide-binding domain	This 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

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	cAMP-dependent protein kinase type I-alpha regulatory chain	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 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 identical protein binding	negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of immune system process regulation of leukocyte proliferation regulation of biological process negative regulation of lymphocyte proliferation multicellular organismal process regulation of cellular process regulation of leukocyte activation negative regulation of biological process regulation of cell activation negative regulation of T cell proliferation negative regulation of cell adhesion negative regulation of leukocyte proliferation T cell activation lymphocyte proliferation regulation of immune system process regulation of leukocyte proliferation regulation of biological process cell population proliferation negative regulation of T cell activation negative regulation of leukocyte cell-cell adhesion regulation of cell population proliferation mononuclear cell proliferation negative regulation of cell-cell adhesion regulation of leukocyte cell-cell adhesion negative regulation of multicellular organismal process negative regulation of leukocyte activation regulation of activated T cell proliferation lymphocyte activation negative regulation of lymphocyte activation leukocyte proliferation leukocyte cell-cell adhesion leukocyte activation activated T cell proliferation negative regulation of mononuclear cell proliferation cell adhesion cell-cell adhesion negative regulation of cellular process regulation of multicellular organismal process regulation of cell-cell adhesion T cell proliferation regulation of lymphocyte proliferation negative regulation of cell population proliferation regulation of cell adhesion biological regulation cell activation regulation of T cell activation negative regulation of cell activation regulation of T cell proliferation negative regulation of activated T cell proliferation negative regulation of immune system process immune system process regulation of mononuclear cell proliferation cellular process regulation of lymphocyte activation developmental process heart development heart growth developmental growth cardiac muscle tissue development cardiac muscle cell proliferation animal organ development growth organ growth tissue development striated muscle tissue development circulatory system development multicellular organism development anatomical structure development muscle cell proliferation cardiac muscle tissue growth muscle tissue development striated muscle cell proliferation system development cellular response to nitrogen compound cellular response to stimulus response to stimulus response to endogenous stimulus response to peptide hormone cellular response to peptide hormone stimulus response to oxygen-containing compound response to nitrogen compound response to glucagon cellular response to oxygen-containing compound cellular response to glucagon stimulus cellular response to endogenous stimulus cellular response to chemical stimulus response to hormone response to chemical cellular response to hormone stimulus signaling 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 signal transduction 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 primary 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 regulation of biosynthetic process negative regulation of metabolic process gene expression macromolecule biosynthetic process regulation of gene expression negative regulation of gene expression biosynthetic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process regulation of macromolecule biosynthetic process negative regulation of macromolecule metabolic process protein localization positive regulation of cell communication regulation of localization establishment of protein localization nitrogen compound transport positive regulation of establishment of protein localization localization cellular macromolecule localization positive regulation of insulin secretion regulation of biological quality regulation of peptide hormone secretion regulation of hormone levels positive regulation of peptide hormone secretion establishment of protein localization to extracellular region protein secretion establishment of localization regulation of protein secretion regulation of secretion positive regulation of protein localization cellular localization regulation of hormone secretion regulation of protein localization regulation of peptide secretion transport positive regulation of biological process positive regulation of secretion by cell hormone secretion protein localization to extracellular region positive regulation of protein transport peptide secretion secretion by cell regulation of secretion by cell positive regulation of hormone secretion positive regulation of secretion amide transport signal release positive regulation of cellular process positive regulation of peptide secretion regulation of signaling secretion regulation of transport regulation of peptide transport regulation of establishment of protein localization cell-cell signaling export from cell regulation of protein transport positive regulation of protein secretion peptide transport positive regulation of transport protein transport regulation of cellular localization regulation of insulin secretion peptide hormone secretion macromolecule localization hormone transport regulation of cell communication insulin secretion positive regulation of signaling cellular developmental process cellular component assembly involved in morphogenesis cell development membraneless organelle assembly muscle cell differentiation cellular component organization cellular component biogenesis muscle structure development striated muscle cell development cellular anatomical entity morphogenesis cellular component assembly muscle cell development cell differentiation sarcomere organization actin filament-based process cellular component organization or biogenesis actomyosin structure organization actin cytoskeleton organization organelle assembly anatomical structure morphogenesis myofibril assembly organelle organization anatomical structure formation involved in morphogenesis striated muscle cell differentiation supramolecular fiber organization cytoskeleton organization formation of primary germ layer mesoderm morphogenesis embryonic morphogenesis embryo development gastrulation tissue morphogenesis mesoderm formation mesoderm development	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 cellular anatomical structure cytoskeleton organelle 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 cellular anatomical structure cytoskeleton organelle membraneless organelle cytoplasm centrosome microtubule organizing center microtubule cytoskeleton cytosol endosome intracellular vesicle intracellular membrane-bounded organelle endomembrane system cytoplasmic vesicle late endosome multivesicular body vesicle synapse cell junction glutamatergic synapse neuromuscular junction cell periphery immunological synapse plasma membrane membrane protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex 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	IPR050503	cAMP-dependent kinase regulatory chain	Family
A, B	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A, B	IPR018488	Cyclic nucleotide-binding, conserved site	Conserved Site
A, B	IPR003117	cAMP-dependent protein kinase regulatory subunit, dimerization-anchoring domain	Domain
A, B	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B	IPR012198	cAMP-dependent protein kinase regulatory subunit	Family
A, B	IPR018490	Cyclic nucleotide-binding domain superfamily	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.