1OWX | pdb_00001owx

Solution structure of the C-terminal RRM of human La (La225-334)

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1owxa1	Alpha and beta proteins (a+b)	Ferredoxin-like	RNA-binding domain, RBD, aka RNA recognition motif (RRM)	Canonical RBD	Lupus LA protein	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1owxa2	Artifacts	Tags	Tags	Tags	N-terminal Tags	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	Canonical RBD	8003519	4000236	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	RNA-binding domain, RBD	8057696	3000110	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)
A	RRM_1	e1owxA1	A: a+b two layers	X: Alpha-beta plaits	H: RNA-binding domain, RBD	T: RNA-binding domain, RBD	F: RRM_1	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.330	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	RRM (RNA recognition motif) domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08777	RNA binding motif (RRM_3)	RNA binding motif	This domain is found in protein La which functions as an RNA chaperone during RNA polymerase III transcription, and can also stimulate translation initiation. It contains a five stranded beta sheet which forms an atypical RNA recognition motif [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Lupus La protein	RNA binding binding nucleic acid binding tRNA binding sequence-specific mRNA binding mRNA binding poly-pyrimidine tract binding poly(U) RNA binding single-stranded RNA binding	cellular localization RNA transport nitrogen compound transport nucleocytoplasmic transport transport nuclear transport nucleic acid transport intracellular transport tRNA export from nucleus establishment of localization RNA export from nucleus localization intercellular transport tRNA transport establishment of RNA localization cellular localization RNA transport nitrogen compound transport nucleocytoplasmic transport transport nuclear transport nucleic acid transport intracellular transport tRNA export from nucleus establishment of localization RNA export from nucleus localization intercellular transport tRNA transport establishment of RNA localization establishment of localization in cell macromolecule localization cellular process RNA localization nuclear export nucleobase-containing compound transport RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process biosynthetic process tRNA processing metabolic process macromolecule metabolic process RNA processing tRNA modification RNA modification macromolecule modification regulation of cellular process positive regulation of protein metabolic process positive regulation of biological process positive regulation of translation protein biosynthetic process positive regulation of macromolecule biosynthetic process regulation of primary metabolic process post-transcriptional regulation of gene expression positive regulation of metabolic process positive regulation of biosynthetic process positive regulation of macromolecule metabolic process protein metabolic process positive regulation of cellular process regulation of biosynthetic process regulation of biological process regulation of protein metabolic process biological regulation regulation of macromolecule metabolic process translation regulation of gene expression positive regulation of gene expression regulation of translation regulation of macromolecule biosynthetic process regulation of metabolic process RNA 5'-end processing tRNA 5'-leader removal tRNA 5'-end processing histone mRNA metabolic process mRNA metabolic process catabolic process negative regulation of biological process macromolecule catabolic process negative regulation of cellular process RNA catabolic process negative regulation of macromolecule metabolic process histone mRNA catabolic process mRNA catabolic process nuclear-transcribed mRNA catabolic process negative regulation of metabolic process nucleobase-containing compound catabolic process negative regulation of gene expression nuclear histone mRNA catabolic process negative regulation of biosynthetic process negative regulation of macromolecule biosynthetic process nucleic acid catabolic process viral gene expression viral process viral translation IRES-dependent viral translational initiation protein localization to cytoplasmic stress granule protein localization to organelle intracellular protein localization RNA 3'-end processing tRNA 3'-end processing	intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule cytosol protein-containing complex ribonucleoprotein complex intracellular anatomical structure cytoplasmic ribonucleoprotein granule intracellular membraneless organelle ribonucleoprotein granule intracellular organelle cellular anatomical structure organelle membraneless organelle cytoplasm supramolecular complex cytoplasmic stress granule cytosol protein-containing complex ribonucleoprotein complex chromosome chromosome, telomeric region chromosomal region membrane-bounded organelle nucleus intracellular membrane-bounded organelle

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002344	Lupus La protein	Family
A	IPR006630	La-type HTH domain	Domain
A	IPR014886	La protein, xRRM domain	Domain
A	IPR000504	RNA recognition motif domain	Domain
A	IPR036388	Winged helix-like DNA-binding domain superfamily	Homologous Superfamily
A	IPR036390	Winged helix DNA-binding domain superfamily	Homologous Superfamily
A	IPR012677	Nucleotide-binding alpha-beta plait domain superfamily	Homologous Superfamily
A	IPR045180	La domain containing protein	Family
A	IPR035979	RNA-binding domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: P05455	atrioventricular block lung adenocarcinoma myopathy Potocki-Shaffer syndrome Sjogren syndrome gastric carcinoma lung cancer osteosarcoma progressive supranuclear palsy juvenile dermatomyositis lupus erythematosus ovarian cancer psoriasis

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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.