| PDB | Chain | Name | Length | Cyclization | Rings | Disulfide | Type | Source | Method |
|---|---|---|---|---|---|---|---|---|---|
| 2MUN | A | MU-SCOLOPTOXIN-SSM6A | 46 | SS | 3 | 3 | Natural | Scolopendra Mutilans | SOLUTION NMR |
| 2MV1 | A | RELAXIN B CHAIN | 25 | SS | 1 | 1 | Non-natural | Homo Sapiens | SOLUTION NMR |
| 2MVA | A | RHTX TOXIN | 27 | SS | 2 | 2 | Natural | Scolopendra Subspinipes | SOLUTION NMR |
| 2MVC | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2MVD | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2MVI | A | BACTERIOCIN PLANTARICAN ASM1 | 43 | SS | 2 | 2 | Natural | Lactobacillus Plantarum | SOLUTION NMR |
| 2MVT | A | SCOLOPTOXIN SSD609 | 47 | SS | 3 | 3 | Natural | Scolopendra Mutilans | SOLUTION NMR |
| 2MW0 | A | KALATA B7 | 29 | SS | 4 | 3 | Natural | Oldenlandia Affinis | SOLUTION NMR |
| 2MW7 | A | MO3964 | 37 | SS | 3 | 3 | Natural | Conus Monile | SOLUTION NMR |
| 2MWJ | A | EXOGLUCANASE 1 | 36 | SS | 2 | 2 | Natural | Trichoderma Reesei | SOLUTION NMR |
| 2MWK | A | EXOGLUCANASE 1 | 36 | SS | 2 | 2 | Natural | Trichoderma Reesei | SOLUTION NMR |
| 2MWR | A | ACIDOCIN B | 58 | H2T | 1 | - | Natural | Lactobacillus Acidophilus | SOLUTION NMR |
| 2MXM | A | ENTITY | 33 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 2MXO | A | MU-THERAPHOTOXIN-HHN2B | 34 | SS | 3 | 3 | Natural | Haplopelma Hainanum | SOLUTION NMR |
| 2MXQ | A | PANETH CELL-SPECIFIC ALPHA-DEFENSIN 1 | 34 | SS | 3 | 3 | Natural | Equus Caballus | SOLUTION NMR |
| 2MYH | A | OMEGA-TBO-IT1 TOXIN | 41 | SS | 5 | 5 | Natural | Tibellus Oblongus | SOLUTION NMR |
| 2MZ4 | A | MU-SCOLOPTOXIN-SSM6A | 46 | SS | 3 | 3 | Natural | Scolopendra Mutilans | SOLUTION NMR |
| 2MZ6 | A;B | PROTEGRIN-3 | 18 | SS | 2 | - | Natural | Sus Scrofa | SOLUTION NMR |
| 2N07 | X | ALPHA-CONOTOXIN VC1A | 22 | SS | 2 | 1 | Natural | Conus Victoriae | SOLUTION NMR |
| 2N1N | A | KAPPA-THERAPHOTOXIN-GR3A | 35 | SS | 3 | 3 | Natural | Grammostola Rosea | SOLUTION NMR |
| 2N1S | A | AMP-2 | 30 | SS | 4 | 4 | Natural | Stellaria Media | SOLUTION NMR |
| 2N24 | A | O2_CONTRYPHAN_VC1 | 31 | SS | 1 | 1 | Non-natural | Conus Victoriae | SOLUTION NMR |
| 2N2G | A | ASTEROPSIN_F | 33 | SS | 3 | 3 | Natural | Asteropus | SOLUTION NMR |
| 2N2S | A | PHEROMONE EP-1 | 32 | SS | 4 | 4 | Natural | Euplotes Petzi | SOLUTION NMR |
| 2N2V | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2N2W | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2N2X | A | INSULIN A CHAIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 2N3P | A | ASTEROPSIN_G | 32 | SS | 3 | 3 | Non-natural | Asteropus | SOLUTION NMR |
| 2N4K | A | ENTEROCIN-HF | 43 | SS | 1 | 1 | Natural | Enterococcus Faecium | SOLUTION NMR |
| 2N5K | A | RIBONUCLEASE ZC3H12A | 29 | SS | 1 | 1 | Natural | Mus Musculus | SOLUTION NMR |
| 2N5Q | A | CYSTEINE-RICH PEPTIDE JS1 | 27 | SS | 3 | 3 | Natural | Jasminum Sambac | SOLUTION NMR |
| 2N6B | A | HUI1 | 34 | SS | 3 | 3 | Natural | Synthetic Construct | SOLUTION NMR |
| 2N6N | A | U4-AGATOXIN-AO1A | 32 | SS | 4 | 4 | Natural | Agelena Orientalis | SOLUTION NMR |
| 2N6O | A | KAPPA-THERAPHOTOXIN-HM1A | 35 | SS | 3 | 3 | Natural | Heteroscodra Maculata | SOLUTION NMR |
| 2N7F | A | MUO-CONOTOXIN MFVIA | 32 | SS | 3 | 3 | Natural | Synthetic Construct | SOLUTION NMR |
| 2N8B | A | CYSTEINE KNOT | 36 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 2N8C | A | CYSTEINE KNOT | 37 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 2N8E | A | KAPPA-CONOTOXIN PVIIA | 34 | SS | 4 | 3 | Non-natural | Conus Purpurascens | SOLUTION NMR |
| 2N8H | A | CONOTOXIN-MUOXI-GVIIJ | 35 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 2N9T | A | BETA/OMEGA-THERAPHOTOXIN-TP2A | 30 | SS | 3 | 3 | Natural | Thrixopelma Pruriens | SOLUTION NMR |
| 2N9Z | A | TAU-THERAPHOTOXIN-HS1A | 42 | SS | 3 | 3 | Natural | Haplopelma Schmidti | SOLUTION NMR |
| 2NAJ | A | TAU-THERAPHOTOXIN-HS1A | 33 | SS | 3 | 3 | Natural | Haplopelma Schmidti | SOLUTION NMR |
| 2NAV | A | EXENDIN-4, ALPHA/KAPPA-CONOTOXIN PL14A CHIMERA | 29 | SS | 2 | 2 | Natural | Heloderma Suspectum | SOLUTION NMR |
| 2NAW | A | EXENDIN-4, ALPHA/KAPPA-CONOTOXIN PL14A CHIMERA | 39 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 2NAY | A | CONOTOXIN BT1.8 | 17 | SS | 2 | 2 | Natural | Conus Betulinus | SOLUTION NMR |
| 2NB2 | A | NIGELLIN-1.1 | 38 | SS | 3 | 3 | Natural | Nigella Sativa L | SOLUTION NMR |
| 2NB5 | A | PREPROALBUMIN PAWS1 | 17 | SS | 2 | 1 | Natural | Perymenium Macrocephalum | SOLUTION NMR |
| 2NB6 | A | PREPROALBUMIN PAWS1 | 16 | SS | 1 | 1 | Natural | Galinsoga Quadriradiata | SOLUTION NMR |
| 2NBC | A | PONERITOXIN | 17 | SS | 2 | 2 | Natural | Anochetus Emarginatus | SOLUTION NMR |
| 2NC7 | A | PROTEGRIN-5 | 18 | SS | 2 | 2 | Natural | Sus Scrofa | SOLUTION NMR |