The domain within your query sequence starts at position 37 and ends at position 107; the E-value for the DUF4717 domain shown below is 7.8e-39.

LDGDKSQKDKVSSEDQGEEEYEEHFEASSEGEQWQEIDMVQQEDTISQAITLQDHLLDLA
FCFNLASIMFF

DUF4717

DUF4717
PFAM accession number:PF15838
Interpro abstract (IPR031684):

LLCFC1 (also known as SOF1) and its homologues can be found in eukaryotes. They have two conserved sequence motifs: LLLL and CFNLAS. LLCFC1 is a sperm protein required for sperm-oocyte fusion in mice [ (PUBMED:32393636) ].

GO process:fusion of sperm to egg plasma membrane involved in single fertilization (GO:0007342)

This is a PFAM domain. For full annotation and more information, please see the PFAM entry DUF4717