UniprotKB/SwissProt ID: KLH12_HUMAN (Q53G59)
Gene Name: KLHL12
Synonyms: C3IP1
Organism: Homo sapiens (Human).
Function: Substrate-specific adapter of a BCR (BTB-CUL3-RBX1) E3 ubiquitin ligase complex that acts as a negative regulator of Wnt signaling pathway and ER-Golgi transport. The BCR(KLHL12) complex is involved in ER-Golgi transport by regulating the size of COPII coats, thereby playing a key role in collagen export, which is required for embryonic stem (ES) cells division: BCR(KLHL12) acts by mediating monoubiquitination of SEC31 (SEC31A or SEC31B). As part of the BCR(KLHL12) complex, also acts as a negative regulator of the Wnt signaling pathway by mediating ubiquitination and subsequent proteolysis of DVL3. The BCR(KLHL12) complex also mediates polyubiquitination of DRD4, without leading to degradation of DRD4.
Other Modifications: View all modification sites in dbPTM
Protein Subcellular Localization: Cytoplasmic vesicle, COPII-coated vesicle.
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