Table 1 Antibacterial activities of synthetic peptides and and antibiotics.

Peptides	Sequences	M. W^a	MIC^b/MBC^c (μM)
Peptides	Sequences	M. W^a	Vv	St	Sa
HPA3P	AKKVFKRLPKLFSKIWNWK-NH₂	2417.2	8/8	8/8	16/16
HPA3P2	AKKVFKRLPKLPSKIWNWK-NH₂	2367.0	>64/>64	>64/>64	>64/>64
A3-APO	RPDKPRPYLPRPRPPRPVR-NH₂	2350	>64/>64	32/32	>64/>64
HPA3P^His	AKKVFKRLPKLFSKIWNWKHHHHHH-NH₂	3348.1	8/8	32/32	16/16
HPA3P2^His	AKKVFKRLPKLPSKIWNWKHHHHHH-NH₂	3280.9	64/64	>64/>64	>64/>64
A3-APO^His	RPDKPRPYLPRPRPPRPVRHHHHHH-NH₂	3480.7	>64/>64	32/32	>64/>64
Antibiotics	Classification	M. W ^a	MIC ^b /MBC ^c (μM)
Antibiotics	Classification	M. W ^a	Vv	St	Sa
Ampicillin	Penicillins	349.4	>64/>64	8/8	1/1
Doxycycline	Tetracyclins	444.4	0.5/0.5	8/16	1/2
Erythromycin	Macrolides	733.9	2/4	>64/>64	0.5/1

^aM.W: molecular weight.
^bMIC: minimal inhibitory concentration against Vibrio vulnificus (Vv), Salmonella typhimurium (St), and Staphylococcus aureus (Sa).
^cMBC: minimal bactericidal concentration against Vv, St, and Sa.

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