Relaxin
Relaxin is a protein hormone of about 6000 Da,[1] first described in 1926 by Frederick Hisaw.[2][3] The relaxin family peptide hormones belong to the insulin superfamily an
Glycodelin is found in oocyte and sperm
aka human placental protein-14
The trefoil knot fold is a protein fold in which the protein backbone is twisted into a trefoil knot shape
“Shallow” knots in which the tail of the polypeptide chain only passes through a loop by a few residues are uncommon, but “deep” knots in which many residue