The domain within your query sequence starts at position 1 and ends at position 93; the E-value for the Semenogelin domain shown below is 7.7e-10.

MKSIFFSLSLLLLLEKKAAGIELYAGGTKGHFLVKTSPLMFIGKNQFLYGHKEEQEEAPE
ESIFVQTKHHEYGQDADADMGGALSSQELTSLK

Semenogelin

Semenogelin
PFAM accession number:PF05474
Interpro abstract (IPR008836):

This family consists of several mammalian secreted seminal proteins including semenogelin I and II. Freshly ejaculated Homo sapiens semen has the appearance of a loose gel in which the predominant structural protein components are the seminal vesicle secreted semenogelins (Sg) [ (PUBMED:1584792) ].

GO process:negative regulation of flagellated sperm motility (GO:1901318), coagulation (GO:0050817)
GO component:extracellular region (GO:0005576)

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