Annotations: 3JSB

Crystal structure of the N-terminal domain of the Lymphocytic Choriomeningitis Virus L protein

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	Cap snatching domain-like	8046829	4005319	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Restriction endonuclease-like	8103664	3000104	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Restriction endonuclease-like	8103664	3000104	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	ArenaCapSnatch	e3jsbA1	A: beta barrels	X: alpha/beta-Hydrolases	H: alpha/beta-Hydrolases	T: alpha/beta-Hydrolases	F: ArenaCapSnatch	ECOD (v294.2)
B		e3jsbB1	A: beta barrels	X: Lipocalins/Streptavidin	H: Zn-dependent exopeptidases	T: Zn-dependent exopeptidases	F:	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1440.300	Mainly Alpha	Up-down Bundle	de novo design (two linked rop proteins)	RNA-directed RNA polymerase L, helical domain	CATH (4.3.0)
A	3.30.70.2640	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Arenavirus RNA polymerase	CATH (4.3.0)
B	3.30.70.2640	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	Arenavirus RNA polymerase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF17296	Arenavirus cap snatching domain (ArenaCapSnatch)	Arenavirus cap snatching domain	This domain represents the N-terminal domain of the Arenavirus polymerase that is involved in cap snatching during transcription initiation.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	RNA-directed RNA polymerase	binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups binding nucleoside phosphate binding nucleotide binding heterocyclic compound binding small molecule binding RNA-directed RNA polymerase activity 5'-3' RNA polymerase activity catalytic activity, acting on RNA catalytic activity, acting on a nucleic acid RNA polymerase activity transferase activity nucleotidyltransferase activity catalytic activity transferase activity, transferring phosphorus-containing groups hydrolase activity cation binding ion binding metal ion binding	viral gene expression cap snatching negative stranded viral RNA transcription viral process viral transcription RNA-templated viral transcription RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process viral gene expression cap snatching negative stranded viral RNA transcription viral process viral transcription RNA-templated viral transcription RNA metabolic process viral life cycle primary metabolic process nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process negative stranded viral RNA replication viral genome replication biosynthetic process viral RNA genome replication metabolic process cellular process macromolecule metabolic process	virion component host cellular component host intracellular part cellular anatomical structure host cell cytoplasm host cell part host intracellular region other organism part

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR007099	RNA-directed RNA polymerase, negative-strand RNA virus	Domain
A, B	IPR010453	RNA polymerase, arenaviral	Family
A, B	IPR026382	RNA endonuclease, cap-snatching, arenaviral	Domain
A, B	IPR048006	RNA endonuclease, cap-snatching, bunyaviral	Domain

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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.