Annotations: 2D3J

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	WIF	e2d3jA1	A: beta sandwiches	X: Immunoglobulin-like beta-sandwich	H: Immunoglobulin-related	T: Immunoglobulin/Fibronectin type III/E set domains/PapD-like	F: WIF	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	2.60.40.2170	Mainly Beta	Sandwich	Immunoglobulin-like	Wnt, WIF domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF02019	WIF domain (WIF)	WIF domain	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Wnt inhibitory factor-1	nodal binding protein binding binding activin receptor binding receptor serine/threonine kinase binding signaling receptor binding transmembrane receptor protein serine/threonine kinase binding Wnt-protein binding	developmental process multicellular organism development multicellular organismal process determination of bilateral symmetry anatomical structure development pattern specification process determination of left/right symmetry left/right pattern formation regionalization specification of symmetry heart development animal organ development circulatory system development system development developmental process multicellular organism development multicellular organismal process determination of bilateral symmetry anatomical structure development pattern specification process determination of left/right symmetry left/right pattern formation regionalization specification of symmetry heart development animal organ development circulatory system development system development cellular response to stimulus regulation of cellular process response to stimulus negative regulation of signaling signaling negative regulation of biological process regulation of signal transduction negative regulation of cell communication cell communication negative regulation of Wnt signaling pathway negative regulation of cellular process signal transduction Wnt signaling pathway regulation of signaling regulation of biological process cell surface receptor signaling pathway regulation of Wnt signaling pathway negative regulation of response to stimulus biological regulation negative regulation of signal transduction regulation of response to stimulus regulation of cell communication cellular process activin receptor signaling pathway cell surface receptor protein serine/threonine kinase signaling pathway nodal signaling pathway transforming growth factor beta receptor superfamily signaling pathway enzyme-linked receptor protein signaling pathway vasculature development blood vessel development fat cell differentiation positive regulation of fat cell differentiation regulation of developmental process cellular developmental process positive regulation of biological process regulation of cell differentiation positive regulation of developmental process positive regulation of cell differentiation cell differentiation regulation of fat cell differentiation positive regulation of cellular process anterior/posterior pattern specification	cellular anatomical structure extracellular region cell surface

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR050969	Developmental Signaling Modulators	Family
A	IPR003306	WIF domain	Domain
A	IPR038677	WIF domain superfamily	Homologous Superfamily
A	IPR013309	Wnt inhibitory factor (WIF)-1	Family
A	IPR013032	EGF-like, conserved site	Conserved Site
A	IPR000742	EGF-like domain	Domain

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A	Pharos: Q9Y5W5	colorectal cancer esophageal cancer malignant glioma medulloblastoma neoplasm of esophagus pilocytic astrocytoma astrocytic tumor psoriasis breast carcinoma Colorectal Neoplasms gastric cancer hereditary diffuse gastric adenocarcinoma large cell medulloblastoma malignant colon neoplasm nasopharyngeal carcinoma colorectal cancer esophageal cancer malignant glioma medulloblastoma neoplasm of esophagus pilocytic astrocytoma astrocytic tumor psoriasis breast carcinoma Colorectal Neoplasms gastric cancer hereditary diffuse gastric adenocarcinoma large cell medulloblastoma malignant colon neoplasm nasopharyngeal carcinoma non-small cell lung carcinoma pituitary cancer atopic eczema subependymal giant cell astrocytoma cutaneous lupus erythematosus gastric neoplasm interstitial cystitis lung adenocarcinoma malignant ependymoma malignant tumor of nasopharynx nasopharyngeal neoplasm oligodendroglioma primitive neuroectodermal tumor breast cancer vascular disease colorectal carcinoma glioblastoma invasive ductal breast carcinoma lung carcinoma

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.