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- Table of Contents
Facts about Sperm flagellar protein 1.
Microtubule- associated protein that promotes microtubule bundling and stabilizes microtubules against depolymerization in response to cold shock (By similarity). .
| Human | |
|---|---|
| Gene Name: | SPEF1 |
| Uniprot: | Q9Y4P9 |
| Entrez: | 25876 |

| Belongs to: |
|---|
| No superfamily |

C20orf28; CLAMP; SPEF1 sperm flagellar 1; SPEF1A
Mass (kDA):
26.987 kDA

| Human | |
|---|---|
| Location: | 20p13 |
| Sequence: | 20; NC_000020.11 (3777504..3781448, complement) |
Cytoplasm. Cell projection, cilium, flagellum. Cytoplasm, cytoskeleton, cilium axoneme. Present in the tails of developing and epididymal sperm, internal to the fibrous sheath and around the outer dense fibers of the sperm flagellum. Also found at the apical tip of cilia (By similarity).




PMID: 15979255 by Chan S.W., et al. Spef1, a conserved novel testis protein found in mouse sperm flagella.