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- Table of Contents
Facts about Huntingtin-associated protein 1.
Seems to play a role in vesicular transport within neurons and axons like from early endosomes to late endocytic compartments and to promote neurite outgrowth. The vesicular transport function via association with microtubule-dependent transporters can be attenuated by association with mutant HTT.
Human | |
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Gene Name: | HAP1 |
Uniprot: | P54257 |
Entrez: | 9001 |
Belongs to: |
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No superfamily |
HAP2huntingtin-associated protein 2; hHLP1; HIP5; HLP1; HLPHAP-1; huntingtin-associated protein 1; Neuroan 1
Mass (kDA):
75.506 kDA
Human | |
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Location: | 17q21.2 |
Sequence: | 17; NC_000017.11 (41717739..41734646, complement) |
Predominantly expressed in brain. Selectively expressed in neurons.
Cytoplasm. Cell projection, axon. Cell junction, synapse, presynapse. Cytoplasm, cytoskeleton. Cell projection, dendritic spine. Cell projection, dendrite. Lysosome. Endoplasmic reticulum. Mitochondrion. Nucleus. Cytoplasmic vesicle, autophagosome. Early endosome. Cell projection, growth cone. Cell projection, neuron projection. Cytoplasmic vesicle, secretory vesicle, synaptic vesicle. Localizes to large nonmembrane-bound cytoplasmic bodies found in various types of neurons, called stigmoid bodies (STBs). Localization to neuronal processes and neurite tips is decreased by YWHAZ. In the nucleus
PMID: 9668110 by Li S.-H., et al. A human HAP1 homologue. Cloning, expression, and interaction with huntingtin.
PMID: 10974549 by Nasir J., et al. Human huntingtin-associated protein (HAP-1) gene: genomic organisation and an intragenic polymorphism.