Annotations: 1MP1

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1mp1a1	All alpha proteins	PWI domain	PWI domain	PWI domain	Ser/Arg-related nuclear matrix protein srm160	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
A	d1mp1a2	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	PWI domain	8024083	4000671	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PWI domain	8036462	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	e1mp1A1	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	Ser/Arg-related nuclear matrix protein	DNA binding binding organic cyclic compound binding nucleic acid binding RNA binding	RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process RNA splicing cellular biosynthetic process cellular metabolic process RNA metabolic process primary metabolic process gene expression macromolecule biosynthetic process nucleic acid metabolic process nucleobase-containing compound metabolic process organic cyclic compound metabolic process organic substance metabolic process biosynthetic process organic substance biosynthetic process metabolic process cellular process RNA processing macromolecule metabolic process regulation of cellular process regulation of mRNA splicing, via spliceosome mRNA processing regulation of primary metabolic process regulation of RNA metabolic process regulation of nucleobase-containing compound metabolic process regulation of biosynthetic process regulation of mRNA processing regulation of biological process biological regulation regulation of cellular metabolic process regulation of macromolecule metabolic process regulation of RNA splicing mRNA metabolic process regulation of cellular biosynthetic process regulation of gene expression RNA splicing, via transesterification reactions mRNA splicing, via spliceosome regulation of macromolecule biosynthetic process RNA splicing, via transesterification reactions with bulged adenosine as nucleophile regulation of mRNA metabolic process regulation of metabolic process localization	membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle organelle lumen organelle nuclear periphery nuclear lumen nuclear matrix nuclear speck membrane-bounded organelle intracellular anatomical structure nucleus membrane-enclosed lumen intracellular membrane-bounded organelle cellular anatomical entity intracellular organelle lumen intracellular organelle organelle lumen organelle nuclear periphery nuclear lumen nuclear matrix nuclear speck nuclear body nucleoplasm catalytic step 2 spliceosome protein-containing complex catalytic complex nuclear protein-containing complex spliceosomal complex ribonucleoprotein complex cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR002483	PWI domain	Domain
A	IPR036483	PWI domain superfamily	Homologous Superfamily

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q8IYB3	acute myeloid leukemia pancreatic intraductal papillary-mucinous neoplasm myopathy plasma cell myeloma ovarian cancer

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.