UniProt functional annotation for Q5JTC6



	UniProt functional annotation for Q5JTC6

UniProt code: Q5JTC6.

Organism: Homo sapiens (Human).

Taxonomy: Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.

Function: Regulator of the canonical Wnt signaling pathway. Acts by specifically binding phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2), translocating to the cell membrane and interacting with key regulators of the canonical Wnt signaling pathway, such as components of the beta-catenin destruction complex. Acts both as a positive and negative regulator of the Wnt signaling pathway, depending on the context: acts as a positive regulator by promoting LRP6 phosphorylation. Also acts as a negative regulator by acting as a scaffold protein for the beta-catenin destruction complex and promoting stabilization of Axin at the cell membrane. Promotes CTNNB1 ubiquitination and degradation. Involved in kidney development. {ECO:0000269|PubMed:17510365, ECO:0000269|PubMed:17925383, ECO:0000269|PubMed:19416806, ECO:0000269|PubMed:21304492, ECO:0000269|PubMed:21498506}.

Subunit: Interacts with CTNNB1, AXIN1, LRP6, KEAP1, APC and BTRC. Interacts with SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes containing BTRC and/or FBXW11. Identified in the beta- catenin destruction complex containing CTNNB1, APC, AXIN1 and AXIN2. Interacts with WT1. {ECO:0000269|PubMed:17510365, ECO:0000269|PubMed:17925383, ECO:0000269|PubMed:19416806, ECO:0000269|PubMed:21304492, ECO:0000269|PubMed:21498506}.

Subcellular location: Cytoplasm. Cell membrane; Peripheral membrane protein; Cytoplasmic side. Nucleus. Note=Shuttles between nucleus and cytoplasm. Detected in nuclear paraspeckles that are found close to splicing speckles. Translocates to the cell membrane following binding to PtdIns(4,5)P2.

Tissue specificity: Detected in fetal and adult kidney, brain and spleen. {ECO:0000269|PubMed:19416806}.

Disease: Osteopathia striata with cranial sclerosis (OSCS) [MIM:300373]: An X-linked dominant sclerosing bone dysplasia that presents in females with macrocephaly, cleft palate, facial palsy, conductive hearing loss, mild learning disabilities, sclerosis of the long bones and skull. Longitudinal striations are visible on radiographs of the long bones, pelvis, and scapulae (osteopathia striata). In males this entity is usually associated with fetal or neonatal lethality. Occasional surviving males have, in addition to hyperostosis, cardiac, intestinal, and genitourinary malformations. {ECO:0000269|PubMed:19079258}. Note=The disease is caused by variants affecting the gene represented in this entry.

Miscellaneous: Inactivated in approximately one-third of Wilms tumors.

Similarity: Belongs to the Amer family. {ECO:0000305}.

Annotations taken from UniProtKB at the EBI.


Organism:		Homo sapiens (Human).
Taxonomy:		Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.



Function:		Regulator of the canonical Wnt signaling pathway. Acts by specifically binding phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2), translocating to the cell membrane and interacting with key regulators of the canonical Wnt signaling pathway, such as components of the beta-catenin destruction complex. Acts both as a positive and negative regulator of the Wnt signaling pathway, depending on the context: acts as a positive regulator by promoting LRP6 phosphorylation. Also acts as a negative regulator by acting as a scaffold protein for the beta-catenin destruction complex and promoting stabilization of Axin at the cell membrane. Promotes CTNNB1 ubiquitination and degradation. Involved in kidney development. {ECO:0000269\|PubMed:17510365, ECO:0000269\|PubMed:17925383, ECO:0000269\|PubMed:19416806, ECO:0000269\|PubMed:21304492, ECO:0000269\|PubMed:21498506}.


Subunit:		Interacts with CTNNB1, AXIN1, LRP6, KEAP1, APC and BTRC. Interacts with SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes containing BTRC and/or FBXW11. Identified in the beta- catenin destruction complex containing CTNNB1, APC, AXIN1 and AXIN2. Interacts with WT1. {ECO:0000269\|PubMed:17510365, ECO:0000269\|PubMed:17925383, ECO:0000269\|PubMed:19416806, ECO:0000269\|PubMed:21304492, ECO:0000269\|PubMed:21498506}.
Subcellular location:		Cytoplasm. Cell membrane; Peripheral membrane protein; Cytoplasmic side. Nucleus. Note=Shuttles between nucleus and cytoplasm. Detected in nuclear paraspeckles that are found close to splicing speckles. Translocates to the cell membrane following binding to PtdIns(4,5)P2.
Tissue specificity:		Detected in fetal and adult kidney, brain and spleen. {ECO:0000269\|PubMed:19416806}.
Disease:		Osteopathia striata with cranial sclerosis (OSCS) [MIM:300373]: An X-linked dominant sclerosing bone dysplasia that presents in females with macrocephaly, cleft palate, facial palsy, conductive hearing loss, mild learning disabilities, sclerosis of the long bones and skull. Longitudinal striations are visible on radiographs of the long bones, pelvis, and scapulae (osteopathia striata). In males this entity is usually associated with fetal or neonatal lethality. Occasional surviving males have, in addition to hyperostosis, cardiac, intestinal, and genitourinary malformations. {ECO:0000269\|PubMed:19079258}. Note=The disease is caused by variants affecting the gene represented in this entry.
Miscellaneous:		Inactivated in approximately one-third of Wilms tumors.
Similarity:		Belongs to the Amer family. {ECO:0000305}.