4MGY

Selective activation of Epac1 and Epac2

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
Pharos: Disease Associations

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B [auth R]	d4mgyr_	Alpha and beta proteins (a/b)	P-loop containing nucleoside triphosphate hydrolases	P-loop containing nucleoside triphosphate hydrolases	G proteins	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth E]	SCOP2B Superfamily	Ras GEF	8002787	3000128	SCOP2B (2022-06-29)
A [auth E]	SCOP2B Superfamily	Ubiquitin-like	8004412	3000157	SCOP2B (2022-06-29)
A [auth E]	SCOP2B Superfamily	ENTH/VHS domain-like	8004415	3000164	SCOP2B (2022-06-29)
A [auth E]	SCOP2B Superfamily	cAMP-binding domain-like	8017525	3000084	SCOP2B (2022-06-29)
B [auth R]	SCOP2B Superfamily	Ras-like P-loop GTPases	8057488	3002022	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 [auth E]	cNMP_binding_1	e4mgyE2	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)
A [auth E]	RasGEF_N	e4mgyE1	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ras GEF (From Topology)	T: Ras GEF	F: RasGEF_N	ECOD (1.6)
A [auth E]	RasGEF	e4mgyE3	A: alpha superhelices	X: Repetitive alpha hairpins	H: Ras GEF (From Topology)	T: Ras GEF	F: RasGEF	ECOD (1.6)
A [auth E]	RA_2	e4mgyE4	A: a+b two layers	X: beta-Grasp	H: Ubiquitin-related	T: Ubiquitin-like	F: RA_2	ECOD (1.6)
B [auth R]	Ras	e4mgyR1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: Ras	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth E]	1.10.8.1240	Mainly Alpha	Orthogonal Bundle	Helicase, Ruva Protein	domain 3	CATH (4.3.0)
A [auth E]	2.60.120.10	Mainly Beta	Sandwich	Jelly Rolls	Jelly Rolls	CATH (4.3.0)
A [auth E]	1.20.870.10	Mainly Alpha	Up-down Bundle	Son of sevenless (SoS) protein	Chain S, domain 1	CATH (4.3.0)
A [auth E]	3.10.20.90	Alpha Beta	Roll	Ubiquitin-like (UB roll)	Phosphatidylinositol 3-kinase Catalytic Subunit	CATH (4.3.0)
A [auth E]	1.10.840.10	Mainly Alpha	Orthogonal Bundle	Son of Sevenless (SoS) protein	Chain S, domain 2	CATH (4.3.0)
B [auth R]	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth E]	PF00617	RasGEF domain (RasGEF)	RasGEF domain	-	Family
A [auth E]	PF00618	RasGEF N-terminal motif (RasGEF_N)	RasGEF N-terminal motif	A subset of guanine nucleotide exchange factor for Ras-like small GTPases appear to possess this motif/domain N-terminal to the RasGef (Cdc25-like) domain.	Domain
A [auth E]	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
B [auth R]	PF00071	Ras family (Ras)	Ras family	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motil ...	Includes sub-families Ras, Rab, Rac, Ral, Ran, Rap Ypt1 and more. Shares P-loop motif with GTP_EFTU, arf and myosin_head. See Pfam:PF00009 Pfam:PF00025, Pfam:PF00063. As regards Rab GTPases, these are important regulators of vesicle formation, motility and fusion. They share a fold in common with all Ras GTPases: this is a six-stranded beta-sheet surrounded by five alpha-helices [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth E]	Rap guanine nucleotide exchange factor 4	small GTPase binding protein binding binding enzyme binding GTPase binding protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex binding adenyl ribonucleotide binding cyclic nucleotide binding nucleotide binding purine ribonucleotide binding nucleoside phosphate binding ion binding small GTPase binding protein binding binding enzyme binding GTPase binding protein-macromolecule adaptor activity molecular adaptor activity protein-containing complex 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 small molecule binding GTPase regulator activity enzyme regulator activity guanyl-nucleotide exchange factor activity nucleoside-triphosphatase regulator activity molecular function regulator activity	regulated exocytosis transport secretion export from cell establishment of localization vesicle-mediated transport localization secretion by cell exocytosis cellular process calcium-ion regulated exocytosis positive regulation of locomotion regulation of biological process regulation of cell motility regulated exocytosis transport secretion export from cell establishment of localization vesicle-mediated transport localization secretion by cell exocytosis cellular process calcium-ion regulated exocytosis positive regulation of locomotion regulation of biological process regulation of cell motility regulation of cellular process positive regulation of smooth muscle cell migration regulation of smooth muscle cell migration biological regulation positive regulation of biological process positive regulation of cell migration smooth muscle cell migration muscle cell migration regulation of locomotion positive regulation of cell motility regulation of cell migration cell migration cell motility locomotion positive regulation of cellular process trans-synaptic signaling regulation of signaling negative regulation of signaling signaling modulation of chemical synaptic transmission negative regulation of biological process cell-cell signaling negative regulation of synaptic transmission negative regulation of cell communication cell communication chemical synaptic transmission synaptic signaling regulation of trans-synaptic signaling anterograde trans-synaptic signaling negative regulation of cellular process regulation of cell communication regulation of hormone levels hormone secretion signal release hormone transport regulation of biological quality regulation of cellular component organization postsynapse organization regulation of postsynapse organization cellular component organization regulation of synapse organization cell junction organization regulation of synapse structure or activity synapse organization cellular component organization or biogenesis protein localization establishment of protein localization cellular localization nitrogen compound transport protein localization to extracellular region peptide secretion amide transport cellular macromolecule localization organic substance transport establishment of protein localization to extracellular region protein secretion peptide transport protein transport peptide hormone secretion macromolecule localization insulin secretion regulation of localization regulation of transport regulation of synaptic vesicle cycle synaptic vesicle cycle regulation of vesicle-mediated transport vesicle-mediated transport in synapse establishment of localization in cell positive regulation of cell communication multicellular organismal process system process regulation of system process positive regulation of transmission of nerve impulse neuronal action potential regulation of transmission of nerve impulse positive regulation of nervous system process regulation of multicellular organismal process regulation of neuronal action potential regulation of action potential nervous system process action potential transmission of nerve impulse regulation of nervous system process positive regulation of action potential positive regulation of multicellular organismal process positive regulation of neuronal action potential regulation of membrane potential regulation of neuron projection development regulation of developmental process cellular developmental process cell projection organization cell development neuron projection development neurogenesis multicellular organism development neuron differentiation dendrite development cell differentiation anatomical structure development system development developmental process plasma membrane bounded cell projection organization regulation of cell projection organization nervous system development generation of neurons regulation of dendrite development neuron development regulation of plasma membrane bounded cell projection organization cellular response to stimulus response to stimulus adenylate cyclase-modulating G protein-coupled receptor signaling pathway G protein-coupled receptor signaling pathway signal transduction small GTPase-mediated signal transduction Ras protein signal transduction intracellular signal transduction intracellular signaling cassette adenylate cyclase-activating G protein-coupled receptor signaling pathway regulation of protein localization positive regulation of establishment of protein localization positive regulation of secretion by cell positive regulation of protein transport regulation of secretion by cell positive regulation of secretion regulation of establishment of protein localization regulation of protein transport positive regulation of protein secretion regulation of protein secretion regulation of secretion positive regulation of transport regulation of cellular localization positive regulation of protein localization protein localization to synapse regulation of neurotransmitter receptor localization to postsynaptic specialization membrane regulation of protein localization to synapse neurotransmitter receptor localization to postsynaptic specialization membrane regulation of protein localization to membrane regulation of receptor localization to synapse protein localization to postsynaptic specialization membrane protein localization to cell periphery protein localization to postsynaptic membrane localization within membrane regulation of protein localization to cell periphery protein localization to membrane protein-containing complex localization regulation of postsynaptic membrane neurotransmitter receptor levels protein localization to organelle protein localization to postsynapse protein localization to cell junction receptor localization to synapse regulation of exocytosis positive regulation of insulin secretion regulation of peptide hormone secretion positive regulation of peptide hormone secretion regulation of hormone secretion regulation of peptide secretion positive regulation of hormone secretion positive regulation of peptide secretion regulation of peptide transport regulation of insulin secretion positive regulation of signaling	photoreceptor inner segment cellular anatomical entity axon synapse neuron projection axon terminus cone cell pedicle plasma membrane bounded cell projection presynapse cell projection distal axon cell junction neuron projection terminus intracellular anatomical structure photoreceptor inner segment cellular anatomical entity axon synapse neuron projection axon terminus cone cell pedicle plasma membrane bounded cell projection presynapse cell projection distal axon cell junction neuron projection terminus intracellular anatomical structure cytoplasm cytosol cell periphery basal part of cell membrane plasma membrane basal plasma membrane plasma membrane region basolateral plasma membrane cluster of actin-based cell projections brush border somatodendritic compartment dendrite dendritic tree glutamatergic synapse membrane-bounded organelle non-motile cilium 9+0 non-motile cilium cilium photoreceptor outer segment photoreceptor cell cilium organelle neuron spine dendritic spine postsynapse cell body neuronal cell body apical part of cell apical plasma membrane growth cone site of polarized growth protein-containing complex neuron to neuron synapse hippocampal mossy fiber to CA3 synapse excitatory synapse postsynaptic density postsynaptic specialization asymmetric synapse
B [auth R]	Ras-related protein Rap-1b	binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding GDP binding protein-containing complex binding pyrophosphatase activity GTPase activity G protein activity ribonucleoside triphosphate phosphatase activity molecular function regulator activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides catalytic activity	cellular component organization cell junction organization cellular process synapse organization cellular component organization or biogenesis modification of postsynaptic structure modification of synaptic structure regulation of localization regulated exocytosis regulation of cellular process synaptic vesicle cycle negative regulation of biological process synaptic vesicle exocytosis negative regulation of transport cellular component organization cell junction organization cellular process synapse organization cellular component organization or biogenesis modification of postsynaptic structure modification of synaptic structure regulation of localization regulated exocytosis regulation of cellular process synaptic vesicle cycle negative regulation of biological process synaptic vesicle exocytosis negative regulation of transport vesicle-mediated transport cell communication vesicle-mediated transport in synapse localization negative regulation of secretion establishment of localization in cell negative regulation of secretion by cell trans-synaptic signaling regulation of biological process neurotransmitter secretion regulation of synaptic vesicle exocytosis neurotransmitter transport establishment of localization negative regulation of synaptic vesicle exocytosis regulation of secretion signal release from synapse regulation of trans-synaptic signaling exocytosis cellular localization transport modulation of chemical synaptic transmission signaling negative regulation of regulated secretory pathway regulation of regulated secretory pathway synaptic signaling regulation of secretion by cell secretion by cell negative regulation of exocytosis signal release negative regulation of cellular process regulation of signaling regulation of transport secretion regulation of neurotransmitter transport biological regulation export from cell cell-cell signaling regulation of vesicle-mediated transport chemical synaptic transmission regulation of neurotransmitter secretion anterograde trans-synaptic signaling regulation of exocytosis regulation of cell communication cellular response to stimulus small GTPase-mediated signal transduction response to stimulus intracellular signal transduction intracellular signaling cassette signal transduction Rap protein signal transduction calcium-ion regulated exocytosis positive regulation of cell communication positive regulation of signal transduction positive regulation of biological process regulation of signal transduction positive regulation of response to stimulus positive regulation of ERK1 and ERK2 cascade regulation of intracellular signal transduction positive regulation of cellular process positive regulation of MAPK cascade positive regulation of intracellular signal transduction regulation of MAPK cascade regulation of response to stimulus MAPK cascade ERK1 and ERK2 cascade regulation of ERK1 and ERK2 cascade positive regulation of signaling cell population proliferation cellular response to nitrogen compound response to organic substance response to organonitrogen compound response to endogenous stimulus response to organophosphorus cellular response to organic cyclic compound response to oxygen-containing compound response to nitrogen compound response to purine-containing compound response to cAMP cellular response to oxygen-containing compound cellular response to endogenous stimulus cellular response to chemical stimulus cellular response to organonitrogen compound response to chemical cellular response to cAMP cellular response to organic substance response to organic cyclic compound regulation of calcium ion-dependent exocytosis negative regulation of calcium ion-dependent exocytosis regulation of cellular component organization positive regulation of cellular component organization protein-containing complex organization positive regulation of cellular component biogenesis regulation of cellular component biogenesis cellular component biogenesis regulation of protein-containing complex assembly positive regulation of protein-containing complex assembly cellular component assembly regulation of integrin activation protein-containing complex assembly integrin activation positive regulation of integrin activation regulation of cell junction assembly cell junction assembly developmental process epithelium development endothelial cell differentiation cellular developmental process endothelium development cell development tissue development epithelial cell differentiation endothelial cell development epithelial cell development cell differentiation establishment of endothelial barrier anatomical structure development regulation of establishment of cell polarity regulation of establishment or maintenance of cell polarity establishment of cell polarity establishment or maintenance of cell polarity	membrane cellular anatomical entity cell-cell junction anchoring junction cell junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle membrane cellular anatomical entity cell-cell junction anchoring junction cell junction extracellular exosome membrane-bounded organelle extracellular vesicle extracellular organelle extracellular region organelle extracellular space vesicle extracellular membrane-bounded organelle intracellular anatomical structure intracellular vesicle lytic vacuole endomembrane system intracellular organelle bounding membrane of organelle vesicle membrane cytoplasmic vesicle lysosome vacuolar membrane azurophil granule vacuole intracellular membrane-bounded organelle lytic vacuole membrane cytoplasmic vesicle membrane lysosomal membrane secretory granule primary lysosome secretory vesicle azurophil granule membrane cytoplasm organelle membrane secretory granule membrane cytosol cell periphery plasma membrane synapse glutamatergic synapse lipid droplet intracellular non-membrane-bounded organelle non-membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth E]	IPR000591	DEP domain	Domain
A [auth E]	IPR008937	Ras-like guanine nucleotide exchange factor	Family
A [auth E]	IPR019804	Ras guanine-nucleotide exchange factor, conserved site	Conserved Site
A [auth E]	IPR014710	RmlC-like jelly roll fold	Homologous Superfamily
A [auth E]	IPR000595	Cyclic nucleotide-binding domain	Domain
A [auth E]	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A [auth E]	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A [auth E]	IPR036964	Ras guanine-nucleotide exchange factor, catalytic domain superfamily	Homologous Superfamily
A [auth E]	IPR023578	Ras guanine nucleotide exchange factor domain superfamily	Homologous Superfamily
A [auth E]	IPR000651	Ras-like guanine nucleotide exchange factor, N-terminal	Domain
A [auth E]	IPR001895	Ras guanine-nucleotide exchange factors catalytic domain	Domain
A [auth E]	IPR018490	Cyclic nucleotide-binding domain superfamily	Homologous Superfamily
A [auth E]	IPR029071	Ubiquitin-like domain superfamily	Homologous Superfamily
B [auth R]	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B [auth R]	IPR020849	Small GTPase, Ras-type	Family
B [auth R]	IPR001806	Small GTPase	Family
B [auth R]	IPR038851	Ras-related protein Rap1	Family
B [auth R]	IPR005225	Small GTP-binding protein domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
B [auth R]	Pharos: P61224	Kabuki syndrome lung adenocarcinoma

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.