3DLU

Structures of SRP54 and SRP19, the two proteins assembling the ribonucleic core of the Signal Recognition Particle from the archaeon Pyrococcus furiosus.

External Resource: Annotation

Domain Annotation: SCOP/SCOPe 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	d3dlua1	Alpha and beta proteins (a+b)	SRP19	SRP19	automated matches	automated matches	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
A	d3dlua2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d3dlub1	Alpha and beta proteins (a+b)	SRP19	SRP19	automated matches	automated matches	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
B	d3dlub2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
C	d3dluc_	Alpha and beta proteins (a+b)	SRP19	SRP19	automated matches	automated matches	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)
D	d3dlud_	Alpha and beta proteins (a+b)	SRP19	SRP19	automated matches	automated matches	(Pyrococcus furiosus ) [TaxId: 2261 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	SRP19	e3dluA1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: SRP19	ECOD (1.6)
B	SRP19	e3dluB1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: SRP19	ECOD (1.6)
C	SRP19	e3dluC1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: SRP19	ECOD (1.6)
D	SRP19	e3dluD1	A: alpha arrays	X: HTH	H: HTH	T: Putative DNA-binding domain	F: SRP19	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.56.30	Alpha Beta	2-Layer Sandwich	Phenylalanyl-tRNA Synthetase	Chain B, domain 1	CATH (4.3.0)
B	3.30.56.30	Alpha Beta	2-Layer Sandwich	Phenylalanyl-tRNA Synthetase	Chain B, domain 1	CATH (4.3.0)
C	3.30.56.30	Alpha Beta	2-Layer Sandwich	Phenylalanyl-tRNA Synthetase	Chain B, domain 1	CATH (4.3.0)
D	3.30.56.30	Alpha Beta	2-Layer Sandwich	Phenylalanyl-tRNA Synthetase	Chain B, domain 1	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D	PF01922	SRP19 protein (SRP19)	SRP19 protein	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Signal recognition particle 19 kDa protein	RNA binding 7S RNA binding binding organic cyclic compound binding nucleic acid binding	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	signal recognition particle protein-containing complex cellular anatomical structure intracellular anatomical structure ribonucleoprotein complex cytoplasm

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR002778	Signal recognition particle, SRP19 subunit	Family
A, B, C, D	IPR022938	Signal recognition particle, SRP19 subunit, archaeal-type	Family
A, B, C, D	IPR036521	Signal recognition particle, subunit SRP19-like 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.