May produce in vitro relaxation of rat arterial smooth muscle and constriction of intestinal smooth muscle. May target bradykinin receptors (BDKRB). Expressed by the skin glands. [Thr6]-Phyllokinin. [Hyp3,Thr6]-Phyllokinin. [Thr6]-Phyllokinin, sulfated. [Hyp3,Thr6]-Phyllokinin, sulfated. Belongs to the bradykinin-related peptide family.