Patent ID: 6921749

Claim:
A polypeptide comprising homologous to that of endostatin and having antiangiogenic activity, the polypeptide which is pentacontapeptide IV having the sequence Cys-Glu-Thr-Trp-Arg-Thr-Glu-Thr-Thr-Gly-Ala-Thr-Gly-Gln-Ala-Ser-Ser-Leu-Ser-Gly-Arg-Leu-Leu-Glu-Gln-Lys-Ala-Ala-Ser-Cys-His-Asn-Ser-Tyr-Ile-Val-Leu-Cys(tBu)-Ile-Glu-Asn-Ser-Phe-Met-Thr-Ser-Phe-Ser-Lys (SEQ ID NO:4).