Annotations: 1X4Q

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	PWI domain	8087268	4000671	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PWI domain	8087269	3000964	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	PWI	e1x4qA1	A: alpha arrays	X: PWI domain-like	H: PWI domain (From Topology)	T: PWI domain	F: PWI	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	1.20.1390.10	Mainly Alpha	Up-down Bundle	PWI domain	PWI domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF01480	PWI domain (PWI)	PWI domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	U4/U6 small nuclear ribonucleoprotein Prp3	RNA binding binding organic cyclic compound binding nucleic acid binding identical protein binding protein binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process RNA biosynthetic process nucleobase-containing compound metabolic process nucleic acid biosynthetic process biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process mRNA processing mRNA metabolic process RNA splicing, via transesterification reactions mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile ribonucleoprotein complex biogenesis spliceosomal tri-snRNP complex assembly protein-RNA complex assembly cellular component organization cellular component biogenesis protein-RNA complex organization cellular component assembly protein-containing complex assembly cellular component organization or biogenesis protein-containing complex organization spliceosomal snRNP assembly	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen cellular anatomical entity intracellular membrane-bounded organelle intracellular organelle lumen nuclear speck nuclear body intracellular organelle nucleoplasm organelle lumen organelle nuclear lumen Cajal body U2-type spliceosomal complex protein-containing complex nuclear protein-containing complex U2-type precatalytic spliceosome spliceosomal complex ribonucleoprotein complex precatalytic spliceosome cytoplasm cytosol spliceosomal snRNP complex Sm-like protein family complex U4/U6 x U5 tri-snRNP complex spliceosomal tri-snRNP complex small nuclear ribonucleoprotein complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR027104	U4/U6 small nuclear ribonucleoprotein Prp3	Family
A	IPR002483	PWI domain	Domain
A	IPR013881	Pre-mRNA-splicing factor 3 domain	Domain
A	IPR036483	PWI domain superfamily	Homologous Superfamily
A	IPR010541	Small nuclear ribonucleoprotein Prp3, C-terminal domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: O43395	retinitis pigmentosa retinitis pigmentosa 18 anorexia nervosa dermatomyositis oligodendroglioma ovarian cancer plasma cell myeloma atopic eczema malignant mesothelioma osteoarthritis pancreatic intraductal papillary-mucinous carcinoma psoriasis cone-rod dystrophy medulloblastoma osteosarcoma retinitis pigmentosa retinitis pigmentosa 18 anorexia nervosa dermatomyositis oligodendroglioma ovarian cancer plasma cell myeloma atopic eczema malignant mesothelioma osteoarthritis pancreatic intraductal papillary-mucinous carcinoma psoriasis cone-rod dystrophy medulloblastoma osteosarcoma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia retinal degeneration

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 R01GM133198.