Peptide sequence: EQADWPEIKS TLPFGKIPIL EVDGLTLHQS LAIARYLTKN TDLAGNTEME Sequence homology: Cow: 92%; Dog: 92%; Guinea Pig: 92%; Horse: 92%; Human: 100%; Mouse: 100%; Rabbit: 92%; Rat: 100%. PGDS is a sigma class glutathione-S-transferase family member.