Table 2.
Plant peptides, amino acid sequence, and 3D structure.
| Peptide Family | Peptide Name | Amino Acid Sequence | 3D Structure Main Characteristics |
|---|---|---|---|
| Small post-translationally modified peptides | CLE(CLV3) | RLVPSGP * NPLHN (conserved motif: xRxcPsGpDPIHHh) | arch shape (helical arabinose chain) |
| At-CEP | DFRPTNPGNSPGVGH | β-turn-like conformation | |
| At-PSK | YIYTQ | not determined | |
| At-IDL | FGYLPKGVPIPPSAPSKRHN | not determined | |
| Cysteine-rich peptides | RALF | ATRRYISYGALRRNTIPCSRRGASYYNÇRRGAQANPYSRGCSAITRCRRS | not determined |
| EPF(L) | IGSTAPTCTYNECRGCRYKCRAEQVPVEGNDPINSAYHYRCVCHR | two antiparallel β-sheets, loop | |
| PEP1 | ATKVKAKQRGKEKVSSGRPGQHN | fully extended conformation | |
| St-Snakin-1 | GSSFCDSKCKLRCSKAGLADRCLKYCGICCEECKCVPSGTYGNKHEÇPÇYRDKKNSKGKSKCP | two predicted longa-helices | |
| At-PDF1.2 | QKLCEKPSGTWSGVCGNSNACKNQCINLEGAKHGSCNYVFPAHKCICYVPC | α-helix, three β-sheets | |
| Non-cysteine-rich/non-PTM peptides | AMP1 | QWGRRCCGWGPGRRYCVRWC | loop structure |
| SYS | AVQSKPPSKRDPPKMQTD | polyproline helix | |
| Other small plant peptides | At-PSY1 | DYGDPSANPKHDPGVP * PS | not determined |
| At-PIP | LASGSSRRGRRH | not determined | |
| At-SCOOP12 | PVRSSQSSQAGGR | not determined | |
| Os-nsLTP | AGCNAGQLTVCTGAIAGGARPTAACCSSLRAQQGCFCQFAKDPRYGRYVNSPNARKAVSSCGIALPTCH | four α-helices |