| PDB | Chain | Name | Length | Cyclization | Rings | Disulfide | Type | Source | Method |
|---|---|---|---|---|---|---|---|---|---|
| 1YL8 | A | [TYR3]OCTREOTATE PEPTIDE | 8 | SS | 1 | 1 | Non-natural | Unknow | SOLUTION NMR |
| 1YP8 | A | TRICYCLON A | 33 | SS | 3 | 3 | Natural | Viola Tricolor | SOLUTION NMR |
| 1YT6 | A | PEPTIDE SD | 10 | SS | 1 | 1 | Natural | Unknow | SOLUTION NMR |
| 1YV8 | A | CRAMBIN | 46 | SS | 3 | 3 | Natural | Crambe Hispanica | SOLUTION NMR |
| 1YVA | A | CRAMBIN | 46 | SS | 3 | 3 | Natural | Crambe Hispanica Subsp Abyssinica | SOLUTION NMR |
| 1YYL | M;S | EXTERIOR MEMBRANE GLYCOPROTEIN(GP120),EXTERIOR MEMBRANE GLYCOPROTEIN(GP120),EXTERIOR MEMBRANE GLYCOPROTEIN(GP120) | 27 | SS | 3 | - | Non-natural | Synthetic Construct | X-RAY DIFFRACTION |
| 1YZ2 | A | DELTA-CONOTOXIN AM 2766 | 27 | SS | 3 | 3 | Natural | Conus Amadis | SOLUTION NMR |
| 1Z6V | A | LACTOTRANSFERRIN | 49 | SS | 2 | 2 | Natural | Homo Sapiens | SOLUTION NMR |
| 1Z6W | A | LACTOTRANSFERRIN | 49 | SS | 2 | 2 | Natural | Homo Sapiens | SOLUTION NMR |
| 1ZA8 | A | VHL-1 | 31 | SS | 4 | 3 | Natural | Viola Hederacea | SOLUTION NMR |
| 1ZAQ | A | THROMBOMODULIN | 44 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1ZDC | A | STABLE MINI PROTEIN A DOMAIN, Z34C | 35 | SS | 1 | 1 | Natural | Synthetic Construct | SOLUTION NMR |
| 1ZDD | A | STABLE MINI PROTEIN A DOMAIN, Z34C | 35 | SS | 1 | 1 | Natural | Synthetic Construct | SOLUTION NMR |
| 1ZFU | A | PLECTASIN | 40 | SS | 3 | 3 | Natural | Pseudoplectania Nigrella | SOLUTION NMR |
| 1ZJQ | A | JINGZHAOTOXIN-VII | 34 | SS | 3 | 3 | Natural | Chilobrachys Jingzhao | SOLUTION NMR |
| 1ZLC | A | ALPHA-CONOTOXIN PIA | 19 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1ZMI | A;B;C;D | NEUTROPHIL DEFENSIN 2 | 29 | SS | 3 | - | Non-natural | Homo Sapiens | X-RAY DIFFRACTION |
| 1ZMM | A;B;C;D | NEUTROPHIL DEFENSIN 4 | 33 | SS | 3 | - | Natural | Homo Sapiens | X-RAY DIFFRACTION |
| 1ZMQ | A;B;C;D | DEFENSIN 6 | 32 | SS | 3 | - | Natural | Homo Sapiens | X-RAY DIFFRACTION |
| 1ZNT | A | AMARANTHUS CAUDATUS ANTIMICROBIAL PEPTIDE 2 | 31 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 1ZNU | A | KALATA B1 | 29 | SS | 3 | 3 | Natural | Oldenlandia Affinis | SOLUTION NMR |
| 1ZPX | A | MINI-COLLAGEN | 23 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1ZUE | A | DEFENSIN-LIKE PEPTIDE 2/4 | 42 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 1ZUF | A | DEFENSIN-LIKE PEPTIDE 2/4 | 42 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1ZUV | A | AMARANTHUS CAUDATUS ANTIMICROBIAL PEPTIDE 2 | 30 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1ZWU | A | AMARANTHUS CAUDATUS ANTIMICROBIAL PEPTIDE 2 (ACMP2) | 30 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 1ZY6 | A;B | PROTEGRIN 1 | 19 | SS | 2 | - | Natural | Unknow | SOLID-STATE NMR |
| 2A2B | A | BACTERIOCIN CURVACIN A | 41 | SS | 1 | 1 | Natural | Lactobacillus Curvatus | SOLUTION NMR |
| 2A2V | A | JINGZHAOTOXIN-XI | 34 | SS | 3 | 3 | Natural | Chilobrachys Jingzhao | SOLUTION NMR |
| 2A3G | A;C | INSULIN | 21 | SS | 1 | - | Natural | Bos Taurus | X-RAY DIFFRACTION |
| 2A9H | E | VOLTAGE-GATED POTASSIUM CHANNEL | 37 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 2A9X | 1 | BIV TAR RNA | 14 | H2T | 1 | - | Natural | Unknow | SOLUTION NMR |
| 2AAP | A | JINGZHAOTOXIN-VII | 34 | SS | 3 | 3 | Natural | Chilobrachys Jingzhao | SOLUTION NMR |
| 2AB9 | A | PRO-SFTI-1 | 31 | SS | 1 | 1 | Natural | Helianthus Annuus | SOLUTION NMR |
| 2ADX | A | THROMBOMODULIN | 40 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 2AIY | A;C;E;G;I;K | PROTEIN (INSULIN) | 21 | SS | 1 | - | Natural | Unknow | SOLUTION NMR |
| 2AJW | A | ALPHA-CONOTOXIN MII | 22 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 2AK0 | A | ALPHA-CONOTOXIN MII | 23 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 2ATG | A | RETROCYCLIN-2 | 18 | SS | 4 | 3 | Natural | Unknow | SOLUTION NMR |
| 2AXI | B | UBIQUITIN-PROTEIN LIGASE E3 MDM2 | 10 | H2T | 1 | - | Non-natural | Unknow | X-RAY DIFFRACTION |
| 2AXK | A | DISCREPIN | 38 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 2B38 | A | KALATA B8 | 31 | SS | 4 | 3 | Natural | Oldenlandia Affinis | SOLUTION NMR |
| 2B5B | A | DEFENSIN | 36 | SS | 3 | 3 | Natural | Caretta Caretta | SOLUTION NMR |
| 2B5K | A | POLYPHEMUSIN-1 | 20 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 2B5P | A | LAMBDA-CONOTOXIN CMRVIA | 11 | SS | 2 | 2 | Non-natural | Unknow | SOLUTION NMR |
| 2B5Q | A | LAMBDA-CONOTOXIN CMRVIA | 11 | SS | 2 | 2 | Non-natural | Unknow | SOLUTION NMR |
| 2B63 | J;L | 31-MER | 70 | SS | 2 | - | Natural | Saccharomyces Cerevisiae | X-RAY DIFFRACTION |
| 2B68 | A | DEFENSIN | 43 | SS | 4 | 4 | Natural | Crassostrea Gigas | SOLUTION NMR |
| 2BBG | A | POLLEN ALLERGEN 5 | 40 | SS | 4 | 4 | Natural | Ambrosia Trifida | SOLUTION NMR |
| 2BBX | A | THROMBOSPONDIN-RELATED ANONYMOUS PROTEIN | 49 | SS | 3 | 3 | Natural | Plasmodium Falciparum | SOLUTION NMR |