| PDB | Chain | Name | Length | Cyclization | Rings | Disulfide | Type | Source | Method |
|---|---|---|---|---|---|---|---|---|---|
| 1F2S | I | TRYPSIN | 28 | SS | 3 | 3 | Natural | Momordica Charantia | X-RAY DIFFRACTION |
| 1F3K | A | OMEGA-CONOTOXIN TXVII | 26 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1F7E | A | PROTEIN (BLOOD COAGULATION FACTOR VII) | 46 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1F7M | A | PROTEIN (BLOOD COAGULATION FACTOR VII) | 46 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1F8Z | A | LOW-DENSITY LIPOPROTEIN RECEPTOR | 39 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1FEO | A | OMEGA-CONOTOXIN MVIIA-GLY | 26 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1FF7 | A | PROTEIN (BLOOD COAGULATION FACTOR VII) | 46 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FFM | A | PROTEIN (BLOOD COAGULATION FACTOR VII) | 46 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FGD | A | THROMBOMODULIN | 18 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FGE | A | THROMBOMODULIN | 20 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FJM | N;M | MICROCYSTIN LR | 7 | H2T | 1 | - | Non-natural | Microcystis Aeruginosa | X-RAY DIFFRACTION |
| 1FJN | A | DEFENSIN MGD-1 | 39 | SS | 4 | 4 | Natural | Unknow | SOLUTION NMR |
| 1FOZ | A | SYNTHETIC CYCLIC PEPTIDE | 8 | Sidechain | 1 | - | Natural | Unknow | SOLUTION NMR |
| 1FQQ | A | BETA-DEFENSIN-2 | 41 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FSB | A | P-SELECTIN | 40 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1FU2 | A;C;E;G | INSULIN, A CHAIN | 21 | SS | 1 | - | Natural | Homo Sapiens | POWDER DIFFRACTION |
| 1FU3 | A | DELTA-CONOTOXIN TXVIA | 27 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1FUB | A;C | INSULIN, A CHAIN | 21 | SS | 1 | - | Natural | Unknow | POWDER DIFFRACTION |
| 1FUL | A | RGD PEPTIDE ISOMER-B | 11 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1FUV | A | RGD PEPTIDE ISOMER-A | 11 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1FWO | A | ORYZAIN BETA CHAIN | 35 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1FYG | A | OMEGA CONOTOXIN SO3 | 25 | SS | 3 | 3 | Natural | Unknow | SOLUTION NMR |
| 1G1P | A | CONOTOXIN EVIA | 33 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 1G1Z | A | CONOTOXIN EVIA | 33 | SS | 3 | 3 | Non-natural | Unknow | SOLUTION NMR |
| 1G26 | A | GRANULIN A | 31 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1G2G | A | ALPHA-CONOTOXIN IMI | 13 | SS | 2 | 2 | Natural | Unknow | SOLUTION NMR |
| 1G7B | A;B;C;D | INSULIN A-CHAIN | 21 | SS | 1 | - | Natural | Unknow | X-RAY DIFFRACTION |
| 1G9I | I | TRYPSINOGEN, CATIONIC | 22 | SS | 3 | 3 | Natural | Unknow | X-RAY DIFFRACTION |
| 1G9P | A | OMEGA-ATRACOTOXIN-HV2A | 45 | SS | 3 | 3 | Natural | Hadronyche Versuta | SOLUTION NMR |
| 1GIB | A | MU-CONOTOXIN GIIIB | 22 | SS | 3 | 3 | Non-natural | Conus Geographus | SOLUTION NMR |
| 1GJE | A | IGFBP-1 ANTAGONIST | 16 | SS | 1 | 1 | Natural | Unknow | SOLUTION NMR |
| 1GJF | A | IGFBP-1 ANTAGONIST | 16 | Sidechain | 1 | - | Natural | Human Immunodeficiency Virus | SOLUTION NMR |
| 1GK5 | A | PRO-EPIDERMAL GROWTH FACTOR,PROTRANSFORMING GROWTH FACTOR ALPHA | 49 | SS | 3 | 3 | Natural | Homo Sapiens | SOLUTION NMR |
| 1GL0 | I | CHYMOTRYPSINOGEN A | 35 | SS | 3 | 3 | Natural | Locusta Migratoria | X-RAY DIFFRACTION |
| 1GM2 | A | BOWMAN-BIRK INHIBITOR DERIVED PEPTIDE | 11 | SS | 1 | 1 | Natural | Macrotyloma Axillare | SOLUTION NMR |
| 1GNA | A | GUANYLIN PRECURSOR | 13 | SS | 2 | 2 | Natural | Homo Sapiens | SOLUTION NMR |
| 1GNB | A | GUANYLIN PRECURSOR | 13 | SS | 2 | 2 | Natural | Homo Sapiens | SOLUTION NMR |
| 1GPS | A | GAMMA-1-P THIONIN | 47 | SS | 4 | 4 | Natural | Triticum Turgidum | SOLUTION NMR |
| 1GPT | A | GAMMA-1-H THIONIN | 47 | SS | 4 | 4 | Natural | Hordeum Vulgare | SOLUTION NMR |
| 1GZL | C;D | FUSION PROTEIN BETWEEN THE HYDROPHOBIC POCKET OF HIV GP41 AND GENERAL CONTROL PROTEIN GCN4-PIQI | 12 | Sidechain | 1 | - | Natural | Unknow | X-RAY DIFFRACTION |
| 1H0G | C;D | CHITINASE B | 5 | H2T | 1 | - | Non-natural | Serratia Marcescens | X-RAY DIFFRACTION |
| 1H0I | C;D | ARGIFIN | 5 | H2T | 1 | - | Non-natural | Gliocladium | X-RAY DIFFRACTION |
| 1H20 | A | METALLOCARBOXYPEPTIDASE INHIBITOR | 39 | SS | 3 | 3 | Natural | Solanum Tuberosum | SOLUTION NMR |
| 1H5O | A | CROTAMINE | 42 | SS | 3 | 3 | Natural | Crotalus Durissus Terrificus | SOLUTION NMR |
| 1H9I | I | TRYPSIN | 36 | SS | 3 | 3 | Natural | Ecballium Elaterium | X-RAY DIFFRACTION |
| 1HA9 | A | TRYPSIN INHIBITOR II | 34 | SS | 3 | 3 | Natural | Momordica Cochinchinensis | SOLUTION NMR |
| 1HD6 | A | PHEROMONE ER-22 | 37 | SS | 3 | 3 | Natural | Euplotes Raikovi | SOLUTION NMR |
| 1HD9 | A | BOWMAN-BIRK INHIBITOR DERIVED PEPTIDE | 11 | SS | 1 | 1 | Non-natural | Synthetic Construct | SOLUTION NMR |
| 1HEV | A | HEVEIN | 43 | SS | 4 | 4 | Natural | Hevea Brasiliensis | SOLUTION NMR |
| 1HIQ | A | INSULIN | 21 | SS | 1 | 1 | Natural | Homo Sapiens | SOLUTION NMR |