Human Recombinant NPC1 protein, His & Flag Tag (V2LY-0526-LY5787)

Name: Human Recombinant NPC1 protein, His & Flag Tag
SKU: V2LY-0526-LY5787
Rating: 5 (1 reviews)

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Datasheet

SDS

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Datasheet Target References Q & As Review & reward Protocols Associated Products

Basic Information

Expressed Host

HEK293 Cells

Protein Species

Human

Tag

His & Flag Tag

Protein Construction

This product is Human Recombinant NPC1 protein, His & Flag Tag consist of Amino Acid: 372-622 and predicts a molecular mass of 32 kDa.

Molecule Mass

32 kDa

Verified

HPLC

Sequence

Amino Acid: 372-622

Species

Human

Formulations & Storage [For reference only, actual COA shall prevail!]

Purity

≥95% as determined by SDS-PAGE. ≥90% as determined by SEC-HPLC.

Endotoxin

Please contact us for more information.

Format

Lyophilized

Reconstitution

Allow the vial and reconstitution buffer to equilibrate to room temperature. Briefly centrifuge or tap down the vial to ensure that all lyophilized powder is collected at the bottom of the vial. For the reconstitution of this product, we recommend adding PBS or sterile water to achieve a final antibody concentration of 1 mg/mL. Allow the vial to reconstitute for 10-15 minutes at room temperature with gentle agitation. Avoid vigorous shaking that can cause foaming and antibody denaturation. Aliquot into volumes based on your experiment and store liquid protein at -20°C or -80°C for long time.

Buffer

Lyophilized from sterile PBS

Preservative

None

Storage

Samples are stable for up to twelve months from date of receipt at -20°C to -80°C. Store it under sterile conditions at -20°C to -80°C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.

More Infomation

Target

Full Name

Niemann-Pick disease, type C1

Function

Intracellular cholesterol transporter which acts in concert with NPC2 and plays an important role in the egress of cholesterol from the endosomal/lysosomal compartment (PubMed:9211849, PubMed:9927649, PubMed:10821832, PubMed:18772377, PubMed:27238017, PubMed:12554680).
Unesterified cholesterol that has been released from LDLs in the lumen of the late endosomes/lysosomes is transferred by NPC2 to the cholesterol-binding pocket in the N-terminal domain of NPC1 (PubMed:9211849, PubMed:9927649, PubMed:18772377, PubMed:19563754, PubMed:27238017, PubMed:28784760).
Cholesterol binds to NPC1 with the hydroxyl group buried in the binding pocket (PubMed:19563754).
Binds oxysterol with higher affinity than cholesterol. May play a role in vesicular trafficking in glia, a process that may be crucial for maintaining the structural and functional integrity of nerve terminals (Probable).
(Microbial infection) Acts as an endosomal entry receptor for ebolavirus.

Biological Process

Adult walking behaviorIEA:Ensembl
AutophagyManual Assertion Based On ExperimentIGI:MGI
Bile acid metabolic processISS:UniProtKB
Cellular response to low-density lipoprotein particle stimulusIEA:Ensembl
Cellular response to steroid hormone stimulusIEA:Ensembl
Cholesterol effluxManual Assertion Based On ExperimentIDA:BHF-UCL
Cholesterol homeostasisManual Assertion Based On ExperimentIDA:UniProtKB
Cholesterol metabolic processIEA:UniProtKB-KW
Cholesterol transportManual Assertion Based On ExperimentIDA:UniProtKB
EndocytosisIEA:Ensembl
Establishment of protein localization to membraneManual Assertion Based On ExperimentIDA:UniProtKB
Gene expressionIEA:Ensembl
Intracellular cholesterol transportManual Assertion Based On ExperimentIMP:UniProtKB
Lysosomal transportISS:UniProtKB
Membrane raft organizationManual Assertion Based On ExperimentIMP:UniProtKB
Negative regulation of cell deathIEA:Ensembl
Negative regulation of macroautophagyIEA:Ensembl
Protein glycosylationManual Assertion Based On ExperimentIDA:UniProtKB
Response to cadmium ionIEA:Ensembl
Response to xenobiotic stimulusIEA:Ensembl
Viral entry into host cellManual Assertion Based On ExperimentIMP:CACAO

Cellular Location

Late endosome membrane
Lysosome membrane

Involvement in disease

Niemann-Pick disease C1 (NPC1):
A lysosomal storage disorder that affects the viscera and the central nervous system. It is due to defective intracellular processing and transport of low-density lipoprotein derived cholesterol. It causes accumulation of cholesterol in lysosomes, with delayed induction of cholesterol homeostatic reactions. Niemann-Pick disease type C1 has a highly variable clinical phenotype. Clinical features include variable hepatosplenomegaly and severe progressive neurological dysfunction such as ataxia, dystonia and dementia. The age of onset can vary from infancy to late adulthood. An allelic variant of Niemann-Pick disease type C1 is found in people with Nova Scotia ancestry. Patients with the Nova Scotian clinical variant are less severely affected.

Topology

Lumenal: 23-261
Helical: 262-282
Cytoplasmic: 283-350
Helical: 351-371
Lumenal: 372-620
Helical: 621-641
Cytoplasmic: 642-653
Helical: 654-675
Lumenal: 676-685
Helical: 686-706
Cytoplasmic: 707-730
Helical: 731-751
Lumenal: 752-759
Helical: 760-783
Cytoplasmic: 784-832
Helical: 833-853
Lumenal: 854-1097
Helical: 1098-1118
Cytoplasmic: 1119-1124
Helical: 1125-1145
Lumenal: 1146-1150
Helical: 1151-1171
Cytoplasmic: 1172-1194
Helical: 1195-1215
Lumenal: 1216-1223
Helical: 1224-1244
Cytoplasmic: 1245-1278

PTM

N-glycosylated.

Caria, I., Nunes, M. J., Ciraci, V., Carvalho, A. N., Ranito, C., Santos, S. G., ... & Rodrigues, E. (2024). NPC1-like phenotype, with intracellular cholesterol accumulation and altered mTORC1 signaling in models of Parkinson's disease. Biochimica et Biophysica Acta (BBA)-Molecular Basis of Disease, 1870(2), 166980.

Kunkel, T. J., Townsend, A., Sullivan, K. A., Merlet, J., Schuchman, E. H., Jacobson, D. A., & Lieberman, A. P. (2023). The cholesterol transporter NPC1 is essential for epigenetic regulation and maturation of oligodendrocyte lineage cells. Nature Communications, 14(1), 3964.

Altuzar, J., Notbohm, J., Stein, F., Haberkant, P., Hempelmann, P., Heybrock, S., ... & Höglinger, D. (2023). Lysosome-targeted multifunctional lipid probes reveal the sterol transporter NPC1 as a sphingosine interactor. Proceedings of the National Academy of Sciences, 120(11), e2213886120.

Davis, O. B., Shin, H. R., Lim, C. Y., Wu, E. Y., Kukurugya, M., Maher, C. F., ... & Zoncu, R. (2021). NPC1-mTORC1 signaling couples cholesterol sensing to organelle homeostasis and is a targetable pathway in Niemann-Pick type C. Developmental cell, 56(3), 260-276.

Qian, H., Wu, X., Du, X., Yao, X., Zhao, X., Lee, J., ... & Yan, N. (2020). Structural basis of low-pH-dependent lysosomal cholesterol egress by NPC1 and NPC2. Cell, 182(1), 98-111.

Saha, P., Shumate, J. L., Caldwell, J. G., Elghobashi-Meinhardt, N., Lu, A., Zhang, L., ... & Pfeffer, S. R. (2020). Inter-domain dynamics drive cholesterol transport by NPC1 and NPC1L1 proteins. Elife, 9, e57089.

van den Boomen, D. J., Sienkiewicz, A., Berlin, I., Jongsma, M. L., van Elsland, D. M., Luzio, J. P., ... & Lehner, P. J. (2020). A trimeric Rab7 GEF controls NPC1-dependent lysosomal cholesterol export. Nature Communications, 11(1), 5559.

Höglinger, D., Burgoyne, T., Sanchez-Heras, E., Hartwig, P., Colaco, A., Newton, J., ... & Eden, E. R. (2019). NPC1 regulates ER contacts with endocytic organelles to mediate cholesterol egress. Nature communications, 10(1), 4276.

Pfeffer, S. R. (2019). NPC intracellular cholesterol transporter 1 (NPC1)-mediated cholesterol export from lysosomes. Journal of Biological Chemistry, 294(5), 1706-1709.

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Please try the standard protocols which include: protocols, troubleshooting and guide.

Enzyme-linked Immunosorbent Assay (ELISA)
Flow Cytometry
Immunofluorescence (IF)
Immunohistochemistry (IHC)
Immunoprecipitation (IP)
Western Blot (WB)
Enzyme Linked Immunospot (ELISpot)
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For research use only. Not intended for any clinical use.

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