[DVAL22, PHE33] BIG ET-1 (16-38), HUMAN;HIS-LEU-ASP-ILE-ILE-TRP-D-VAL-ASN-THR-PRO-GLU-HIS-VAL-VAL-PRO-TYR-GLY-PHE-GLY-SER-PRO-ARG-SER;HIS-LEU-ASP-ILE-ILE-TRP-DVAL-ASN-THR-PRO-GLU-HIS-VAL-VAL-PRO-TYR-GLY-PHE-GLY-SER-PRO-ARG-SER: HLDIIW-DV-NTPEHVVPYGFGSPRS;[DVAL22, Phe33] big endothelin-1 (16-38), human