Annotations: 2GED

Signal Recognition Particle Receptor Beta-Subunit in nucleotide-free dimerized form

External Resource: Annotation

Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B		e2gedB2	A: a/b three-layered sandwiches	X: DEATH domain	H: Ten stranded beta/alpha barrel	T: Ten stranded beta/alpha barrel	F:	ECOD (v294.1)
A	LMWPc	e2gedA1	A: a/b three-layered sandwiches	X: Globin-like	H: Globin-like	T: Globin-like	F: LMWPc	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.300	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	P-loop containing nucleotide triphosphate hydrolases	CATH (4.3.0)
A	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, B	PF09439	Signal recognition particle receptor beta subunit (SRPRB)	Signal recognition particle receptor beta subunit	The beta subunit of the signal recognition particle receptor (SRP) is a transmembrane GTPase which anchors the alpha subunit to the endoplasmic reticulum membrane [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Signal recognition particle receptor beta subunit	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 purine nucleotide binding anion 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 purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding identical protein binding protein binding	localization establishment of protein localization establishment of protein localization to organelle protein targeting establishment of localization establishment of protein localization to endoplasmic reticulum protein targeting to ER cellular localization SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition protein-containing complex organization establishment of protein localization to membrane localization within membrane protein targeting to membrane cellular component organization localization establishment of protein localization establishment of protein localization to organelle protein targeting establishment of localization establishment of protein localization to endoplasmic reticulum protein targeting to ER cellular localization SRP-dependent cotranslational protein targeting to membrane, signal sequence recognition protein-containing complex organization establishment of protein localization to membrane localization within membrane protein targeting to membrane cellular component organization cellular component biogenesis cellular component assembly SRP-dependent cotranslational protein targeting to membrane protein-containing complex assembly cotranslational protein targeting to membrane cellular process cellular component organization or biogenesis	cellular anatomical structure membrane membrane-bounded organelle protein-containing complex intracellular anatomical structure organelle subcompartment membrane protein complex intracellular membrane-bounded organelle endomembrane system rough endoplasmic reticulum endoplasmic reticulum subcompartment intracellular organelle bounding membrane of organelle rough endoplasmic reticulum membrane cellular anatomical structure membrane membrane-bounded organelle protein-containing complex intracellular anatomical structure organelle subcompartment membrane protein complex 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

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR027417	P-loop containing nucleoside triphosphate hydrolase	Homologous Superfamily
A, B	IPR019009	Signal recognition particle receptor, beta subunit	Family

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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.