Rabbit anti-Human WWP1 Polyclonal Antibody

Uniprot Id

Q9H0M0

Target Species

Human

Target Name

WWP1

Target Full Name

NEDD4-like E3 ubiquitin-protein ligase WWP1

Target Function

E3 ubiquitin-protein ligase which accepts ubiquitin from an E2 ubiquitin-conjugating enzyme in the form of a thioester and then directly transfers the ubiquitin to targeted substrates. Ubiquitinates ERBB4 isoforms JM-A CYT-1 and JM-B CYT-1, KLF2, KLF5 and TP63 and promotes their proteasomal degradation. Ubiquitinates RNF11 without targeting it for degradation. Ubiquitinates and promotes degradation of TGFBR1; the ubiquitination is enhanced by SMAD7. Ubiquitinates SMAD6 and SMAD7. Ubiquitinates and promotes degradation of SMAD2 in response to TGF-beta signaling, which requires interaction with TGIF.

Target Subcellular Location

Cytoplasm. Cell membrane; Peripheral membrane protein. Nucleus.

Target Tissue Specificity

Detected in heart, placenta, pancreas, kidney, liver, skeletal muscle, bone marrow, fetal brain, and at much lower levels in adult brain and lung. Isoform 1 and isoform 5 predominate in all tissues tested, except in testis and bone marrow, where isoform 5

Target Synonyms

WWP1; NEDD4-like E3 ubiquitin-protein ligase WWP1; EC 2.3.2.26; Atrophin-1-interacting protein 5; AIP5; HECT-type E3 ubiquitin transferase WWP1; TGIF-interacting ubiquitin ligase 1; Tiul1; WW domain-containing protein 1

Target Background

WW domain-containing proteins are found in all eukaryotes and play an important role in the regulation of a wide variety of cellular functions such as protein degradation, transcription, and RNA splicing. This gene encodes a protein which contains 4 tandem WW domains and a HECT (homologous to the E6-associated protein carboxyl terminus) domain. The encoded protein belongs to a family of NEDD4-like proteins, which are E3 ubiquitin-ligase molecules and regulate key trafficking decisions, including targeting of proteins to proteosomes or lysosomes. Alternative splicing of this gene generates at least 6 transcript variants; however, the full length nature of these transcripts has not been defined.