2I91 | pdb_00002i91

60kDa Ro autoantigen in complex with a fragment of misfolded RNA

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

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
E [auth A]	d2i91a1	All alpha proteins	alpha-alpha superhelix	TROVE domain-like	TROVE domain-like	60-kda SS-aARo ribonucleoprotein	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
E [auth A]	d2i91a2	Alpha and beta proteins (a/b)	vWA-like	vWA-like	RoRNP C-terminal domain-like	60-kda SS-A/Ro ribonucleoprotein, RoRNP	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
F [auth B]	d2i91b1	All alpha proteins	alpha-alpha superhelix	TROVE domain-like	TROVE domain-like	60-kda SS-aARo ribonucleoprotein	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)
F [auth B]	d2i91b2	Alpha and beta proteins (a/b)	vWA-like	vWA-like	RoRNP C-terminal domain-like	60-kda SS-A/Ro ribonucleoprotein, RoRNP	African clawed frog (Xenopus laevis ) [TaxId: 8355 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
E [auth A]	SCOP2B Superfamily	vWA-like	8034956	3000832	SCOP2B (2022-06-29)
E [auth A]	SCOP2B Superfamily	TROVE domain-like	8034953	3001832	SCOP2B (2022-06-29)
F [auth B]	SCOP2B Superfamily	vWA-like	8034956	3000832	SCOP2B (2022-06-29)
F [auth B]	SCOP2B Superfamily	TROVE domain-like	8034953	3001832	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)
E [auth A]		e2i91A1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: tRNA-binding arm	T: tRNA-binding arm	F:	ECOD (v294.1)
E [auth A]	SNO, Peptidase_S51	e2i91A2	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: SNO, Peptidase_S51	ECOD (v294.1)
F [auth B]		e2i91B1	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: tRNA-binding arm	T: tRNA-binding arm	F:	ECOD (v294.1)
F [auth B]	SNO, Peptidase_S51	e2i91B2	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: SNO, Peptidase_S51	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
E [auth A]	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (4.3.0)
F [auth B]	3.40.50.410	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	von Willebrand factor, type A domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
E [auth A], F [auth B]	PF25045	Ro60 vWA domain (vWA_Ro60)	Ro60 vWA domain	This entry represents the vWA domain of RNA-binding protein RO60 which is found after the TROVE domain at the N-terminal [1-3]. This domain closes the ring from by the TROVE domain.	Domain
E [auth A], F [auth B]	PF05731	TROVE domain (TROVE)	TROVE domain	-	Repeat

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
E [auth A], F [auth B]	60 kDa SS-A/Ro ribonucleoprotein	RNA binding misfolded RNA binding binding nucleic acid binding cation binding ion binding metal ion binding small molecule binding	cellular component organization cell projection organization cellular process cellular component organization or biogenesis	protein-containing complex ribonucleoprotein complex cellular anatomical structure intracellular anatomical structure cytoplasm
B [auth D], D [auth F]	5'-R(CGPGPUPAPGPGPCPUPUPUPUPCPAP*A)-3'	-	-	-
A [auth C], C [auth E]	5'-R(GPCPCPUPAPCPCPC)-3'	-	-	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
E [auth A], F [auth B]	IPR008858	TROVE domain	Domain
E [auth A], F [auth B]	IPR036465	von Willebrand factor A-like domain superfamily	Homologous Superfamily
E [auth A], F [auth B]	IPR040322	RNA-binding protein RO60	Family
E [auth A], F [auth B]	IPR056800	RNA-binding protein RO60, vWA domain	Domain
E [auth A], F [auth B]	IPR037214	TROVE domain 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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.