The domain within your query sequence starts at position 17 and ends at position 106; the E-value for the Dimerisation2 domain shown below is 1.1e-29.

ALMDLAHGFMASQVLFAGCALRVFDAAALGPVDAAALARSSGLSPRGTRLLLDACAGLGL
LGRRRGAGPRGPAYTNSPLASTFLVAGSPL

Dimerisation2

Dimerisation2
PFAM accession number:PF16864
Interpro abstract (IPR031725):

This domain, found in some O-methyltransferases, functions as a dimerisation domain. It is found in acetylserotonin O-methyltransferase (ASMT) [ (PUBMED:22775292) ] among others.

This is a PFAM domain. For full annotation and more information, please see the PFAM entry Dimerisation2