pfam06408, Homo_sperm_syn, Homospermidine synthase. This family consists of several
homospermidine synthase proteins (EC:2.5.1.44). Homospermidine synthase (HSS) catalyses the
synthesis of the polyamine homospermidine from 2 mol putrescine in an NAD(+)-dependent reaction.
CD-Length = 471 residues, 99.4% aligned
Score = 496 bits (1279), Expect = 2e-141