5CK3

Signal recognition particle receptor SRb-GTP/SRX complex from Chaetomium thermophilum

External Resource: Annotation

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: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	SRP alpha N-terminal domain-like	8073678	4003710	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	SNARE-like	8073679	3001113	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
E	PF04086	e5ck3E1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF04086	ECOD (1.6)
A	PF04086	e5ck3A1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF04086	ECOD (1.6)
C	PF04086	e5ck3C1	A: a+b three layers	X: Profilin-like	H: profilin-like (From Topology)	T: profilin-like	F: PF04086	ECOD (1.6)
F	PF09439	e5ck3F1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF09439	ECOD (1.6)
B	PF09439	e5ck3B1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF09439	ECOD (1.6)
D	PF09439	e5ck3D1	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF09439	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E	3.30.450.60	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)
C	3.30.450.60	Alpha Beta	2-Layer Sandwich	Beta-Lactamase		CATH (4.3.0)
F	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, C, E	PF04086	Signal recognition particle, alpha subunit, N-terminal (SRP-alpha_N)	Signal recognition particle, alpha subunit, N-terminal	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, C, E	SRX domain	ribonucleoprotein complex binding protein-containing complex binding binding signal recognition particle 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 ribonucleoprotein complex binding protein-containing complex binding binding signal recognition particle 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 protein serine/threonine kinase activity catalytic activity, acting on a protein kinase activity protein kinase activity transferase activity catalytic activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups pyrophosphatase activity ATP hydrolysis activity ribonucleoside triphosphate phosphatase activity hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides hydrolase activity hydrolase activity, acting on acid anhydrides ATP-dependent activity GTPase activity	protein localization establishment of protein localization cellular localization establishment of protein localization to membrane protein targeting localization within membrane protein localization to membrane establishment of localization protein targeting to membrane localization SRP-dependent cotranslational protein targeting to membrane establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle protein localization establishment of protein localization cellular localization establishment of protein localization to membrane protein targeting localization within membrane protein localization to membrane establishment of localization protein targeting to membrane localization SRP-dependent cotranslational protein targeting to membrane establishment of protein localization to organelle cellular macromolecule localization macromolecule localization protein localization to organelle cotranslational protein targeting to membrane cellular process establishment of protein localization to endoplasmic reticulum protein localization to endoplasmic reticulum protein targeting to ER nucleobase-containing compound metabolic process organic cyclic compound metabolic process regulation of biological process organic substance metabolic process biological regulation metabolic process primary metabolic process regulation of nucleobase-containing compound metabolic process regulation of metabolic process regulation of primary metabolic process nitrogen compound transport transport organic substance transport intracellular transport protein transport establishment of localization in cell intracellular protein transport cellular response to stimulus response to stimulus DNA metabolic process nucleic acid metabolic process cellular response to stress DNA damage response response to stress macromolecule metabolic process DNA repair regulation of cellular process signaling signal transduction intracellular signal transduction cell communication protein-DNA complex organization cellular component organization protein-containing complex organization chromatin organization cellular component organization or biogenesis	membrane-bounded organelle protein-containing complex intracellular anatomical structure organelle subcompartment membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system rough endoplasmic reticulum endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle rough endoplasmic reticulum membrane membrane-bounded organelle protein-containing complex intracellular anatomical structure organelle subcompartment membrane membrane protein complex cellular anatomical entity intracellular membrane-bounded organelle endomembrane system rough endoplasmic reticulum endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle rough endoplasmic reticulum membrane organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum signal recognition particle receptor complex cytoplasm organelle membrane endoplasmic reticulum protein-containing complex endoplasmic reticulum membrane nucleus
B, D, F	Putative signal recognition particle protein	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 cation binding metal ion binding	-	membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane membrane-bounded organelle intracellular anatomical structure organelle subcompartment membrane cellular anatomical entity intracellular membrane-bounded organelle endomembrane system endoplasmic reticulum subcompartment intracellular organelle organelle nuclear outer membrane-endoplasmic reticulum membrane network endoplasmic reticulum cytoplasm organelle membrane endoplasmic reticulum membrane

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, C, E	IPR000897	Signal recognition particle, SRP54 subunit, GTPase domain	Domain
A, C, E	IPR016024	Armadillo-type fold	Homologous Superfamily
A, C, E	IPR011990	Tetratricopeptide-like helical domain superfamily	Homologous Superfamily
A, C, E	IPR003152	FATC domain	Domain
A, C, E	IPR012993	UME domain	Domain
A, C, E	IPR003593	AAA+ ATPase domain	Domain
A, C, E	IPR000403	Phosphatidylinositol 3-/4-kinase, catalytic domain	Domain
A, C, E	IPR013822	Signal recognition particle SRP54, helical bundle	Domain
A, C, E	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, C, E	IPR036225	SRP/SRP receptor, N-terminal	Homologous Superfamily
A, C, E	IPR003151	PIK-related kinase, FAT	Domain
A, C, E	IPR036940	Phosphatidylinositol 3-/4-kinase, catalytic domain superfamily	Homologous Superfamily
A, C, E	IPR011012	Longin-like domain superfamily	Homologous Superfamily
A, C, E	IPR011009	Protein kinase-like domain superfamily	Homologous Superfamily
A, C, E	IPR042101	Signal recognition particle SRP54, N-terminal domain superfamily	Homologous Superfamily
A, C, E	IPR014009	PIK-related kinase	Domain
A, C, E	IPR007222	Signal recognition particle receptor, alpha subunit, N-terminal	Domain
B, D, F	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
B, D, F	IPR019009	Signal recognition particle receptor, beta subunit	Family

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 R01GM133198.