Background: | Activates HECT domain-containing E3 ubiquitin-protein ligases, including NEDD4 and ITCH, and consequently modulates the stability of their targets. As a result, controls many cellular processes. Prevents chronic T-helper cells-mediated inflammation by activating ITCH and thus controlling JUNB degradation (By similarity). In cortical neurons, mediates the ubiquitination of SLC11A2/DMT1 by NEDD4L, leading to down-regulation of the divalent metal transporter and protection of the cells from cobalt and iron toxicity. Modulates EGFR signaling through multiple pathways. In particular, may regulate the ratio of AKT1-to-MAPK8 signaling in response to EGF, acting on AKT1 probably through PTEN destabilization and on MAPK8 through ITCH-dependent MAP2K4 inactivation. As a result, may control cell growth rate. Enhances the ubiquitination of BRAT1 mediated by E3 ubiquitin-protein ligases: NEDD4, NEDD4L and ITCH, and is required for the nuclear localization of ubiquitinated BRAT1. |
Synonyms: | NEDD4 family-interacting protein 1 (Breast cancer-associated protein SGA-1M) (NEDD4 WW domain-binding protein 5) (Putative MAPK-activating protein PM13) (Putative NF-kappa-B-activating protein 164) (Putative NFKB and MAPK-activating protein), NDFIP1, N4WBP5 |
UniProt Protein Function: | NDFIP1: Activates HECT domain-containing E3 ubiquitin-protein ligases, including NEDD4 and ITCH, and consequently modulates the stability of their targets. As a result, controls many cellular processes. Prevents chronic T-helper cells-mediated inflammation by activating ITCH and thus controlling JUNB degradation. In cortical neurons, mediates the ubiquitination of SLC11A2/DMT1 by NEDD4L, leading to down-regulation of the divalent metal transporter and protection of the cells from cobalt and iron toxicity. Modulates EGFR signaling through multiple pathways. In particular, may regulate the ratio of AKT1-to-MAPK8 signaling in response to EGF, acting on AKT1 probably through PTEN destabilization and on MAPK8 through ITCH-dependent MAP2K4 inactivation. As a result, may control cell growth rate. 2 isoforms of the human protein are produced by alternative splicing.Protein type: Adaptor/scaffold; Membrane protein, multi-pass; Membrane protein, integralChromosomal Location of Human Ortholog: 5q31.3Cellular Component: Golgi membrane; perinuclear region of cytoplasm; extracellular region; integral to membrane; endosome membrane; cell cortexMolecular Function: protein binding; signal transducer activity; WW domain bindingBiological Process: negative regulation of interleukin-4 production; positive regulation of I-kappaB kinase/NF-kappaB cascade; ubiquitin-dependent protein catabolic process via the multivesicular body pathway; cellular iron ion homeostasis; regulation of lymphocyte differentiation; regulation of myeloid leukocyte differentiation; signal transduction; negative regulation of isotype switching to IgE isotypes; negative regulation of T cell proliferation; negative regulation of T-helper 2 type immune response; positive regulation of protein ubiquitination; negative regulation of inflammatory response; positive regulation of protein catabolic process; negative regulation of protein transport; negative regulation of transporter activity; regulation of isotype switching to IgG isotypes |
UniProt Protein Details: | |
NCBI Summary: | The protein encoded by this gene belongs to a small group of evolutionarily conserved proteins with three transmembrane domains. It is a potential target for ubiquitination by the Nedd4 family of proteins. This protein is thought to be part of a family of integral Golgi membrane proteins. [provided by RefSeq, Jul 2008] |
UniProt Code: | Q9BT67 |
NCBI GenInfo Identifier: | 74733098 |
NCBI Gene ID: | 80762 |
NCBI Accession: | Q9BT67.1 |
UniProt Secondary Accession: | Q9BT67,Q658T8, Q8N2E3, Q8N2F9, B2RDB8, D3DQF0 |
UniProt Related Accession: | Q9BT67 |
Molecular Weight: | 24,899 Da |
NCBI Full Name: | NEDD4 family-interacting protein 1 |
NCBI Synonym Full Names: | Nedd4 family interacting protein 1 |
NCBI Official Symbol: | NDFIP1 |
NCBI Official Synonym Symbols: | N4WBP5 |
NCBI Protein Information: | NEDD4 family-interacting protein 1; Nedd4 WW domain-binding protein 5; putative MAPK-activating protein PM13; breast cancer-associated protein SGA-1M; putative NFKB and MAPK-activating protein; putative NF-kappa-B-activating protein 164 |
UniProt Protein Name: | NEDD4 family-interacting protein 1 |
UniProt Synonym Protein Names: | Breast cancer-associated protein SGA-1M; NEDD4 WW domain-binding protein 5; Putative MAPK-activating protein PM13; Putative NF-kappa-B-activating protein 164; Putative NFKB and MAPK-activating protein |
Protein Family: | NEDD4 family-interacting protein |
UniProt Gene Name: | NDFIP1 |
UniProt Entry Name: | NFIP1_HUMAN |