Abstract: The invention is directed to compounds having the following sequences: Leu Val Leu Leu Lys Lys Leu Met Lys Lys Tyr Lys Lys Leu Lys Lys Leu Gly Gly Leu as set forth in SEQ. ID. No. 1; Leu Leu Leu Leu Lys Leu Leu Leu Lys Lys Asn Pro Lys Leu Lys Lys Leu Ile Gly Val as set forth in SEQ. ID. No. 2; Leu Leu Leu Leu Lys Lys Leu Leu Lys Leu Met Asn Leu Leu Lys Lys Leu Gly His Tyr as set forth in SEQ. ID. No. 3; and Lys Lys Ile Lys Glu Lys Tyr Asp Lys Met Lys Lys as set forth in SEQ. ID. No. 4.