| PDB | Chain | Name | Length | Cyclization | Rings | Disulfide | Type | Source | Method |
|---|---|---|---|---|---|---|---|---|---|
| 2LZI | A | RETROCYCLIN 2 | 18 | SS | 4 | 3 | Natural | Unknow | SOLUTION NMR |
| 2LZO | A | UGTX | 29 | SS | 2 | 2 | Natural | Urticina | SOLUTION NMR |
| 2LZX | A | ASTEROPSIN B | 37 | SS | 3 | 3 | Non-natural | Asteropus | SOLUTION NMR |
| 2LZY | A | ABU8-3 | 35 | SS | 3 | 3 | Non-natural | Asteropus | SOLUTION NMR |
| 2M0Z | A | TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 13 | 97 | Sidechain | 1 | - | Natural | Synthetic Construct | SOLUTION NMR |
| 2M10 | A | TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 13 | 97 | Sidechain | 1 | - | Natural | Unknow | SOLUTION NMR |
| 2M1D | A | INSULIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M1E | A | INSULIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M1P | A | [ABA5,14]BTD-2 | 18 | SS | 3 | 2 | Non-natural | Unknow | SOLUTION NMR |
| 2M2G | A | [ABA3,16]BTD-2 | 18 | SS | 3 | 2 | Non-natural | Unknow | SOLUTION NMR |
| 2M2H | A | [ABA3,7,12,16]BTD-2 | 18 | SS | 2 | 1 | Non-natural | Unknow | SOLUTION NMR |
| 2M2M | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M2N | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M2O | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M2P | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M2Q | A | INHIBITOR CYSTINE KNOT PEPTIDE MCH-1 | 32 | SS | 3 | 3 | Natural | Momordica Charantia | SOLUTION NMR |
| 2M2R | A | INHIBITOR CYSTINE KNOT PEPTIDE MCH-2 | 33 | SS | 3 | 3 | Natural | Momordica Charantia | SOLUTION NMR |
| 2M2S | A | [ABA5,7,12,14]BTD-2 | 18 | SS | 2 | 1 | Non-natural | Unknow | SOLUTION NMR |
| 2M2X | A | [ABA3,5,7,12,14,16]BTD-2 | 18 | H2T | 1 | - | Non-natural | Synthetic Construct | SOLUTION NMR |
| 2M2Y | A | BTD-2[3,4] | 18 | SS | 1 | 3 | Natural | Unknow | SOLUTION NMR |
| 2M36 | A | U2-CYRTAUTOXIN-AS1A | 38 | SS | 4 | 4 | Natural | Apomastus Schlingeri | SOLUTION NMR |
| 2M3I | A | ALPHA-CONOTOXIN | 16 | SS | 2 | 2 | Natural | Conus Lividus | SOLUTION NMR |
| 2M3J | A | ASTEROPSIN_E | 33 | SS | 3 | 3 | Natural | Asteropus | SOLUTION NMR |
| 2M3N | A | PEPTIDE LEUCINE ARGININE | 18 | SS | 1 | 1 | Natural | Rana Pipiens | SOLUTION NMR |
| 2M4X | A | MU-THERAPHOTOXIN-HH2A | 35 | SS | 3 | 3 | Natural | Haplopelma Schmidti | SOLUTION NMR |
| 2M4Z | A | MU-THERAPHOTOXIN-HH2A | 35 | SS | 3 | 3 | Natural | Haplopelma Schmidti | SOLUTION NMR |
| 2M50 | A | MU-THERAPHOTOXIN-HH2A | 35 | SS | 3 | 3 | Natural | Haplopelma Schmidti | SOLUTION NMR |
| 2M5X | A | SILK PROTEASE INHIBITOR 2 | 40 | SS | 2 | 2 | Natural | Galleria Mellonella | SOLUTION NMR |
| 2M61 | A | CONOTOXIN AR1446 | 15 | SS | 3 | 3 | Non-natural | Conus Araneosus | SOLUTION NMR |
| 2M62 | A | CHI-CONOTOXIN-LIKE AR1248 | 12 | SS | 2 | 2 | Non-natural | Conus Araneosus | SOLUTION NMR |
| 2M6A | A | PREDICTED PROTEIN | 28 | SS | 2 | 2 | Natural | Hordeum Vulgare Subsp Vulgare | SOLUTION NMR |
| 2M6C | A | CONTRYPHAN-IN | 8 | SS | 1 | 1 | Non-natural | Conus Inscriptus | SOLUTION NMR |
| 2M6D | A | CONTRYPHAN-IN | 8 | SS | 1 | 1 | Non-natural | Conus Inscriptus | SOLUTION NMR |
| 2M6E | A | CONTRYPHAN-IN | 8 | SS | 1 | 1 | Non-natural | Conus Inscriptus | SOLUTION NMR |
| 2M6F | A | CONTRYPHAN-IN | 8 | SS | 1 | 1 | Non-natural | Conus Inscriptus | SOLUTION NMR |
| 2M6G | A | CONTRYPHAN-LO | 8 | SS | 1 | 1 | Non-natural | Conus Loroisii | SOLUTION NMR |
| 2M6H | A | CONTRYPHAN-LO | 8 | SS | 1 | 1 | Non-natural | Conus Loroisii | SOLUTION NMR |
| 2M6J | A | TOXIN ABTX | 26 | SS | 2 | 2 | Natural | Sparassidae | SOLUTION NMR |
| 2M77 | A | [ASP2]RTD-1 | 18 | SS | 4 | 3 | Natural | Unknow | SOLUTION NMR |
| 2M78 | A | [ASP11]RTD-1 | 18 | SS | 4 | 3 | Natural | Unknow | SOLUTION NMR |
| 2M79 | A | [ASP2,11]RTD-1 | 18 | SS | 4 | 3 | Natural | Unknow | SOLUTION NMR |
| 2M7I | A | BETA-HAIRPIN PEPTIDOMIMETIC ANTIBIOTIC TWL(DAB)(ORN)(DLY) RW(ORN)(DAB)AK(DPR)P | 14 | H2T | 1 | - | Non-natural | Unknow | SOLUTION NMR |
| 2M7J | A | BETA-HAIRPIN PEPTIDOMIMETIC ANTIBIOTIC TWLKKRRWKKAK(DPR)P | 14 | H2T | 1 | - | Non-natural | Unknow | SOLUTION NMR |
| 2M7P | A | LOW-DENSITY LIPOPROTEIN RECEPTOR, RELAXIN RECEPTOR 1 | 42 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M7T | A | CYSTINE KNOT PROTEIN 2.5D | 33 | SS | 3 | 3 | Natural | Synthetic Construct | SOLUTION NMR |
| 2M8V | A | BOVA | 33 | SS | 3 | 1 | Non-natural | Streptococcus Equinus | SOLUTION NMR |
| 2M96 | A | RELAXIN RECEPTOR 2 | 44 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 2M9L | A | BETA-THERAPHOTOXIN-TP1A | 35 | SS | 3 | 3 | Natural | Thrixopelma Pruriens | SOLUTION NMR |
| 2M9O | A | KALATA-B7 | 29 | SS | 4 | 3 | Natural | Oldenlandia Affinis | SOLUTION NMR |
| 2MAU | A | WRIGHTIDE R1 | 30 | SS | 3 | 3 | Natural | Wrightia Religiosa | SOLUTION NMR |