Annotations: 6H4G

Regulatory subunit of a cAMP-independent protein kinase A from Trypanosoma brucei: E311A, T318R, V319A mutant bound to cAMP in the A site

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: ECOD Classification
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)
B	d6h4gb1	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)
A	d6h4ga1	All beta proteins	Double-stranded beta-helix	cAMP-binding domain-like	automated matches	automated matches	(Trypanosoma brucei brucei TREU927 ) [TaxId: 185431 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e6h4gB1	A: beta barrels	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F:	ECOD (v294.2)
A		e6h4gA1	A: beta barrels	X: Ten stranded beta/alpha barrel	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F:	ECOD (v294.2)

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	Protein kinase A regulatory subunit	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 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 small molecule 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 kinase A catalytic subunit binding protein binding protein kinase A binding kinase binding enzyme binding protein kinase 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 protein phosphorylation phosphorylation 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 protein phosphorylation phosphorylation primary metabolic process macromolecule modification phosphate-containing compound metabolic process metabolic process protein metabolic process macromolecule metabolic process protein modification process phosphorus metabolic process cilium-dependent cell motility microtubule-based movement microtubule-based process cilium movement involved in cell motility cilium movement cell motility cilium or flagellum-dependent cell motility quorum sensing cell-cell signaling detection of cell density detection of biotic stimulus response to biotic stimulus detection of stimulus biological process involved in interspecies interaction between organisms modulation of formation of structure involved in a symbiotic process formation of structure involved in a symbiotic process intracellular signal transduction	membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection paraflagellar rod 9+2 motile cilium supramolecular complex motile cilium intracellular anatomical structure cytoplasm cytosol protein kinase complex membrane-bounded organelle cell projection cellular anatomical structure organelle cilium plasma membrane bounded cell projection paraflagellar rod 9+2 motile cilium supramolecular complex motile cilium intracellular anatomical structure cytoplasm cytosol protein kinase complex transferase complex, transferring phosphorus-containing groups protein-containing complex catalytic complex cAMP-dependent protein kinase complex serine/threonine protein kinase complex transferase complex intracellular protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR000595	Cyclic nucleotide-binding domain	Domain
A, B	IPR050503	cAMP-dependent protein kinase regulatory subunit-like	Family
A, B	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A, B	IPR018488	Cyclic nucleotide-binding, conserved site	Conserved Site
A, B	IPR032675	Leucine-rich repeat domain superfamily	Homologous Superfamily
A, B	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily

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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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.