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- Table of Contents
Facts about Sodium/potassium-transporting ATPase subunit alpha-4.
Plays a role in sperm motility. .
| Human | |
|---|---|
| Gene Name: | ATP1A4 |
| Uniprot: | Q13733 |
| Entrez: | 480 |

| Belongs to: |
|---|
| cation transport ATPase (P-type) (TC 3.A.3) family |

Sodium/potassium-transporting ATPase subunit alpha-4
Mass (kDA):
114.166 kDA

| Human | |
|---|---|
| Location: | 1q23.2 |
| Sequence: | 1; NC_000001.11 (160151603..160186980) |
Specifically expressed in testis. Found in very low levels in skeletal muscle. Expressed in mature sperm (at protein level).
Cell membrane; Multi-pass membrane protein. In mature sperm, located in the principle piece of the sperm flagellum.


PMID: 16175638 by Hlivko J.T., et al. The human Na,K-ATPase alpha 4 isoform is a ouabain-sensitive alpha isoform that is expressed in sperm.
PMID: 12119109 by Keryanov S., et al. Physical mapping and characterization of the human Na,K-ATPase isoform, ATP1A4.