< 110 > PepXGen Inc . < 120 > Novel antimicrobial peptide derived from antimicrobial peptides isolated from Korean sea cucumber and uses thereof < 130 > PN 19237 < 160 > 5 < 170 > KoPatentIn 3 . 0 < 210 > 1 < 211 > 23 < 212 > PRT < 213 > Artificial Sequence < 220 > < 223 > Holothuroidea < 400 > 1 Lys Pro Asp Val Ser Glu Val Tyr Ser Phe Asp Lys Thr Lys Leu Lys 1 5 10 15 Thr Ala Glu Thr Asn Glu Leu 20 < 210 > 2 < 211 > 8 < 212 > PRT < 213 > Artificial Sequence < 220 > < 223 > Antimicrobial Peptide < 400 > 2 Arg Leu Leu Arg Arg Leu Leu Arg 1 5 < 210 > 3 < 211 > 23 < 212 > PRT < 213 > Artificial Sequence < 220 > < 223 > Antimicrobial Peptide < 400 > 3 Lys Pro Asp Val Ser Glu Val Tyr Ser Phe Leu Lys Thr Lys Leu Lys 1 5 10 15 Thr Ala Leu Thr Asn Leu Leu 20 < 210 > 4 < 211 > 21 < 212 > PRT < 213 > Artificial Sequence < 220 > < 223 > Antimicrobial Peptide < 400 > 4 Leu Val Ser Leu Val Tyr Ser Phe Leu Lys Thr Lys Leu Lys Thr Ala 1 5 10 15 Leu Thr Asn Leu Leu 20 < 210 > 5 < 211 > 21 < 212 > PRT < 213 > Artificial Sequence < 220 > < 223 > Antimicrobial Peptide < 400 > 5 Arg Leu Leu Arg Arg Leu Leu Arg Pro Leu Val Ser Leu Val Tyr Ser 1 5 10 15 Phe Leu Lys Thr Lys 20