The domain within your query sequence starts at position 18 and ends at position 301; the E-value for the DUF4640 domain shown below is 2.7e-128.

YECKSNQSASVGYYPSENTFSYEDLVSREETASVDSLVHFLPPVQSTWRTESLRRLFRKR
DQVEHDPEQFSKLSITLAWDIDVDSNHADSLANLDLNAHSQWMDKWPEDKTKLTPCKLYN
LVQKLETFLGKEKGGQHDGCVLPESTQKEDVHLNSTTPPHTAQVSPKERDVCQDLSKQRS
LENEDICQVLEDPPRLLKDEVVQEIRQASESSLETSSVSSPQPEGASRSHNIFCMNFRWV
FQWLRTQIFSRWRRQRPSQATNTWHQKAVRNIHSLRSNRIQPQE

DUF4640

 DUF4640
PFAM accession number:PF15480
Interpro abstract (IPR027908):

This family of proteins is found in eukaryotes. Proteins in this family are typically between 99 and 306 amino acids in length.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry DUF4640