Peptide families Sequences Theoretical MM (Da) Theoretical PI References Phylloseptin         PS-1 FLSLIPHAINAVSAIAKHN-NH2 2267.6 8.76 [12] PS-2 FLSLIPHAINAVSTLVHHF-NH2 2367.7 7.02 [12] PS-3 FLSLIPHAINAVSALANHG-NH2 2196.5 6.92 [12] PS-4 FLSLIPHAINAVSTLVHHSG-NH2 2364.6 7.02 [12] PS-5 FLSLIPHAINAVSAIAKHS-NH2 2240.5 8.76 [12] PS-6 SLIPHAINAVSAIAKHF-NH2 2040.3 8.51 [12] PLS-S2 FLSLIPHIVSGVASLAKHF-NH2 2287.6 8.77 [13] PLS-S3 FLSLIPHIVSGVASLAIHF-NH2 2272.6 7.02 [13] PLS-S4 FLSMIPHIVSGVAALAKHL-NH2 2255.7 8.77 [13] PLS-S5 LLGMIPVAISAISALSKL-NH2 2048.5 8.76 [13] PLS-S6 FLSLIPHIVSGVASIAKHL-NH2 2253.6 8.77 [13] Nigrocin         Nigrocin-1 GLLSGILGAGKHVVCGLSGLC 1954.3 8.07 [15] Nigrocin-2 GLLGKILGVGKHIVCGLSGLC 2021.4 9.31 [15] Nigrocin-OG12 GPLSGILGAGKHIVCGLSGLC 1952.3 8.07 [15] Nigrocin-OG20 GLLSGVLGVGKKVLCGLSGLC 1973.4 8.90 [15] Nigrocin-2GRa GLLSGILGAGKHIVCGLSGLC 1968.4 8.07 [15] Nigrocin-2GRb GLFGKILGVGKKVLCGLSGMC 2080.6 9.39 [15] Nigrocin-2GRc GLLSGILGAGKNIVCGLSGLC 1945.3 8.06 [15] Nigrocin-2LVa GLLSKVLGVGKKVLCGVSGLC 2030.5 9.39 [19] Nigrocin-2LVb GILSGILGMGKKLVCGLSGLC 2019.5 8.90 [19] Nigrocin-2SCa GILSGILGAGKSLVCGLSGLC 1918.3 8.06 [19] Nigrocin-2SCb GILSGVLGMGKKIVCGLSGLC 2005.5 8.90 [19] Nigrocin-2SCc GILSNVLGMGKKIVCGLSGLC 2062.5 8.90 [19] Nigrocin-2VB SILSGNFGVGKKIVCGLSGLC 2052.4 8.89 [19] Nigrocin-2HJ GLLSKVLGVGKKVLCGVSGLC 2030.5 9.39 [19] Japonicin         Japonicin-1 FFPIGVFCKIFKTC 1650.0 8.90 [21] Japonicin-2 FGLPMLSILPKALCILLKRKC 2358.0 9.85 [21] Japonicin-1CDYa FFPLALLCKVFKKC     [23] Japonicin-2CHa FVLPLLGILPKELCIVLKKNC 2354.0 8.86 [22] Japonicin-2CHb VVPAFVLLKKAICIMLKRNC 2259.9 9.85 [22] Japonicin-2CHc VVPAFVLLRKAICIMLKRNC 2287.9 10.11 [22] Japonicin-2CHd VVPAFVLLKKAICIMFKRNC 2293.9 9.85 [22] Palustrin         Palustrin-1 ALFSILRGLKKLGKMGQAFVNCEIYKKC 3159.9 9.79 [24] Palustrin-2 GFLSTVKNLATNVAGTVLDTIRCKVTGGCRP 3192.7 9.50 [24] Palustrin-3 GIFPKIIGKGIKTGIVNGIKSLVKGVGMKVFKAGLNNIGNTGCNEDEC 4933.8 9.45 [24] Palustrin-OG1 GLWDTIKQAGKKFFLNVLDKIRCKVAGGCRT 3467.1 9.90 [24] Palustrin-OG2 KKFFLKVLTKIRCKVAGGCRT 2397.0 10.59 [27] Palustrin-2CG1 GLWNTIKEAGKKFAINYLDKIRCGIAGGCKT     [25] Palustrin-2Cha GLLSTFKNLATNVAGTVIDTLKCKVTGGCRT 3182.7 9.39 [28] Palustrin-2ISa GFMDTAKNVAKNVAVTLLDKLKCKITGGC 3039.6 9.24 [29] Palustrin-2ISb GLWNSIKIAGKKLFVNVLDKIRCKVAGGCKTSPDVE 3888.6 9.51 [29] Parkerin GWANTLKNVAGGLCKITGAA 1945.2 9.31 [30] Jingdongin         Jingdongin-1 FLPLFLPKIICVITKKC 1976.6 9.39 [33] Jingdongin-2 FLPIVENCSLVCWENNQKC 2239.6 4.59 [33] Medusin         Medusin-AC LLGMIPLAISAISALSKL 1811.3 8.75 [34] Medusin-PH LLGMIPVAISAISALSKL 1797.2 8.75 [34] Medusin-PD LLGMIPLAISAISSLSKL 1827.3 8.75 [34] Limnonectin         Limnonectin-1Fa SFPFFPPGICKRLKRC 1896.3 10.11 [35] Limnonectin-1Fb SFHVFPPWMCKSLKKC 1938.4 9.39 [35] Hylaranin         Hylaranin-1 GVLSAFKNALPGIMKIIV-NH2 1871.3 10.00 [36] Hylaranin-2 GVLSVIKNALPGIMRFIA-NH2 1899.3 11.00 [36] MM: Molecular mass; PI: isoelectric point;Underlined: Sequence fragments containing two cysteine residues responsible to form intermolecular disulfide bonds at the C-terminal region (Rana Box).

Table 1: Primary sequence, theoretical molecular masses and isoelectric points of amphibian AMP families.