The domain within your query sequence starts at position 72 and ends at position 185; the E-value for the Cys_knot domain shown below is 1.2e-7.

QVGCRELRSTKYISDGQCTSISPLKELVCAGECLPLPVLPNWIGGGYGTKYWSRRSSQEW
RCVNDKTRTQRIQLQCQDGSTRTYKITVVTACKCKRYTRQHNESSHNFESVSPA

Cys_knot

Cys_knot
PFAM accession number:PF00007
Interpro abstract (IPR006208):

This domain is found at the C-terminal of glycoprotein hormones and various extracellular proteins. It is believed to be involved in disulphide-linked dimerisation [ (PUBMED:7687569) ].

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