Annotations: 2JXW

Solution Structure of the Tandem WW Domains of FBP21

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
Pharos: Disease Associations

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	WW domain	8039804	3001621	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	NUDIX	e2jxwA1	A: beta barrels	X: OB-fold	H: Nucleic acid-binding protein	T: Nucleic acid-binding protein	F: NUDIX	ECOD (v294.2)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.20.70.10	Mainly Beta	Single Sheet	Ubiquitin Ligase Nedd4	Chain: W	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF00397	WW domain (WW)	WW domain	The WW domain is a protein module with two highly conserved tryptophans that binds proline-rich peptide motifs in vitro.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	WW domain-binding protein 4	protein binding binding proline-rich region binding cation binding transition metal ion binding zinc ion binding ion binding metal ion binding small molecule binding RNA binding nucleic acid binding	RNA splicing 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 RNA splicing 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 cis splicing, via spliceosome mRNA splicing, via spliceosome RNA splicing, via transesterification reactions with bulged adenosine as nucleophile	membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome membrane-enclosed lumen intracellular membraneless organelle membrane-bounded organelle protein-containing complex intracellular anatomical structure nucleus nuclear protein-containing complex intracellular membrane-bounded organelle intracellular organelle cellular anatomical structure spliceosomal complex organelle ribonucleoprotein complex precatalytic spliceosome membrane-enclosed lumen intracellular membraneless organelle intracellular organelle lumen nuclear speck ribonucleoprotein granule nuclear body nucleoplasm organelle lumen membraneless organelle supramolecular complex nuclear ribonucleoprotein granule nuclear lumen U2-type spliceosomal complex U2-type precatalytic spliceosome

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR003604	Matrin/U1-C-like, C2H2-type zinc finger	Domain
A	IPR040023	WW domain-binding protein 4	Family
A	IPR036236	Zinc finger C2H2 superfamily	Homologous Superfamily
A	IPR036020	WW domain superfamily	Homologous Superfamily
A	IPR000690	Matrin/U1-C, C2H2-type zinc finger	Domain
A	IPR001202	WW domain	Domain
A	IPR013085	U1-C, C2H2-type zinc finger	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	: O75554	astrocytic tumor ductal breast carcinoma in situ invasive ductal breast carcinoma Malignant neoplasm of breast ovarian cancer systemic lupus erythematosus Crohn disease gastric carcinoma large cell medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia dermatomyositis glioblastoma malignant glioma osteosarcoma astrocytic tumor ductal breast carcinoma in situ invasive ductal breast carcinoma Malignant neoplasm of breast ovarian cancer systemic lupus erythematosus Crohn disease gastric carcinoma large cell medulloblastoma oligodendroglioma pancreatic intraductal papillary-mucinous neoplasm with low grade dysplasia dermatomyositis glioblastoma malignant glioma osteosarcoma spina bifida

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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.