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UniProt functional annotation for P01130 | ||
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| UniProt code: P01130. |
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| Organism: | |
Homo sapiens (Human). |
| Taxonomy: | |
Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo. |
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| Function: | |
Binds LDL, the major cholesterol-carrying lipoprotein of plasma, and transports it into cells by endocytosis. In order to be internalized, the receptor-ligand complexes must first cluster into clathrin-coated pits. {ECO:0000269|PubMed:3005267, ECO:0000269|PubMed:6091915}. |
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| Function: | |
(Microbial infection) Acts as a receptor for hepatitis C virus in hepatocytes, but not through a direct interaction with viral proteins. {ECO:0000269|PubMed:10535997, ECO:0000269|PubMed:12615904}. |
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| Function: | |
(Microbial infection) Acts as a receptor for Vesicular stomatitis virus. {ECO:0000269|PubMed:23589850}. |
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| Function: | |
(Microbial infection) In case of HIV-1 infection, may function as a receptor for extracellular Tat in neurons, mediating its internalization in uninfected cells. {ECO:0000269|PubMed:11100124}. |
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| Subunit: | |
Interacts (via NPXY motif) with DAB2 (via PID domain); the interaction is impaired by tyrosine phosphorylation of the NPXY motif (By similarity). Interacts (via NPXY motif) with LDLRAP1 (via PID domain) (PubMed:12221107, PubMed:22509010). Interacts with ARRB1 (PubMed:12944399). Interacts with SNX17 (PubMed:14739284). Interacts with the full-length immature form of PCSK9 (via C-terminus) (PubMed:17461796, PubMed:21149300). {ECO:0000250|UniProtKB:P35951, ECO:0000269|PubMed:12221107, ECO:0000269|PubMed:12944399, ECO:0000269|PubMed:14739284, ECO:0000269|PubMed:17461796, ECO:0000269|PubMed:21149300, ECO:0000269|PubMed:22509010}. |
| Subunit: | |
(Microbial infection) Interacts with C.difficile toxin TcdA, suggesting that it may contribute to TcdA toxin entry into cells. {ECO:0000269|PubMed:31160825}. |
| Subunit: | |
(Microbial infection) Interacts with vesicular stomatitis virus glycoprotein. {ECO:0000269|PubMed:23589850}. |
| Subunit: | |
(Microbial infection) May interact with HIV-1 Tat. {ECO:0000269|PubMed:11100124}. |
| Subcellular location: | |
Cell membrane {ECO:0000269|PubMed:17461796, ECO:0000269|PubMed:19520913}; Single-pass type I membrane protein {ECO:0000250|UniProtKB:P01131}. Membrane, clathrin-coated pit {ECO:0000303|PubMed:6091915}. Golgi apparatus {ECO:0000269|PubMed:17461796}. Early endosome {ECO:0000269|PubMed:17461796}. Late endosome {ECO:0000269|PubMed:17461796}. Lysosome {ECO:0000269|PubMed:17461796}. Note=Rapidly endocytosed upon ligand binding. {ECO:0000269|PubMed:3104336}. |
| Domain: | |
The NPXY motif mediates the interaction with the clathrin adapter DAB2 and with LDLRAP1 which are involved in receptor internalization. A few residues outside the motif also play a role in the interaction. {ECO:0000269|PubMed:22509010}. |
| Ptm: | |
N- and O-glycosylated. {ECO:0000269|PubMed:12754519, ECO:0000269|PubMed:16335952, ECO:0000269|PubMed:19159218, ECO:0000269|PubMed:19520913, ECO:0000269|PubMed:3005267}. |
| Ptm: | |
Ubiquitinated by MYLIP leading to degradation. {ECO:0000269|PubMed:19520913}. |
| Disease: | |
Hypercholesterolemia, familial, 1 (FHCL1) [MIM:143890]: A form of hypercholesterolemia, a disorder of lipoprotein metabolism characterized by elevated serum low-density lipoprotein (LDL) cholesterol levels, which result in excess deposition of cholesterol in tissues and leads to xanthelasma, xanthomas, accelerated atherosclerosis and increased risk of premature coronary heart disease. FHCL1 inheritance is autosomal dominant. {ECO:0000269|PubMed:10090484, ECO:0000269|PubMed:10206683, ECO:0000269|PubMed:10422803, ECO:0000269|PubMed:10447263, ECO:0000269|PubMed:10532689, ECO:0000269|PubMed:10660340, ECO:0000269|PubMed:10882754, ECO:0000269|PubMed:10978268, ECO:0000269|PubMed:10980548, ECO:0000269|PubMed:11298688, ECO:0000269|PubMed:11462246, ECO:0000269|PubMed:1446662, ECO:0000269|PubMed:1464748, ECO:0000269|PubMed:17142622, ECO:0000269|PubMed:17347910, ECO:0000269|PubMed:1867200, ECO:0000269|PubMed:19318025, ECO:0000269|PubMed:19319977, ECO:0000269|PubMed:22160468, ECO:0000269|PubMed:22509010, ECO:0000269|PubMed:2318961, ECO:0000269|PubMed:24529145, ECO:0000269|PubMed:25378237, ECO:0000269|PubMed:25545329, ECO:0000269|PubMed:2569482, ECO:0000269|PubMed:2726768, ECO:0000269|PubMed:3263645, ECO:0000269|PubMed:3955657, ECO:0000269|PubMed:7550239, ECO:0000269|PubMed:7573037, ECO:0000269|PubMed:7583548, ECO:0000269|PubMed:7635461, ECO:0000269|PubMed:7635482, ECO:0000269|PubMed:7649546, ECO:0000269|PubMed:7649549, ECO:0000269|PubMed:8168830, ECO:0000269|PubMed:8347689, ECO:0000269|PubMed:8462973, ECO:0000269|PubMed:8664907, ECO:0000269|PubMed:8740918, ECO:0000269|PubMed:9026534, ECO:0000269|PubMed:9104431, ECO:0000269|PubMed:9143924, ECO:0000269|PubMed:9254862, ECO:0000269|PubMed:9259195, ECO:0000269|PubMed:9452094, ECO:0000269|PubMed:9452095, ECO:0000269|PubMed:9452118, ECO:0000269|PubMed:9654205, ECO:0000269|PubMed:9678702, ECO:0000269|PubMed:9852677, ECO:0000269|Ref.72}. Note=The disease is caused by variants affecting the gene represented in this entry. |
| Similarity: | |
Belongs to the LDLR family. {ECO:0000305}. |
| Sequence caution: | |
Sequence=BAD92646.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305}; |
Annotations taken from UniProtKB at the EBI.