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PDB Chain Name Length Cyclization Rings Disulfide Type Source Method
1A1P A COMPSTATIN 14 SS 1 1 Natural Unknow SOLUTION NMR
1A3P A EPIDERMAL GROWTH FACTOR 45 SS 2 2 Non-natural Mus Musculus SOLUTION NMR
1A7F A INSULIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
1AB1 A CRAMBIN (SER22/ILE25) 46 SS 3 3 Natural Crambe Hispanica Subsp Abyssinica X-RAY DIFFRACTION
1ACW A NATURAL SCORPION PEPTIDE P01 29 SS 3 3 Natural Androctonus Mauretanicus Mauretanicus SOLUTION NMR
1ADX A THROMBOMODULIN 40 SS 3 3 Natural Homo Sapiens SOLUTION NMR
1AG7 A CONOTOXIN GS 34 SS 3 3 Non-natural Conus Geographus SOLUTION NMR
1AGG A OMEGA-AGATOXIN-IVB 48 SS 4 4 Natural Agelenopsis Aperta SOLUTION NMR
1AGT A AGITOXIN 2 38 SS 3 3 Natural Leiurus Quinquestriatus Hebraeus SOLUTION NMR
1AHL A ANTHOPLEURIN-A 49 SS 3 3 Natural Anthopleura Xanthogrammica SOLUTION NMR
1AI0 A;C;E;G;I;K R6 INSULIN HEXAMER 21 SS 1 - Natural Homo Sapiens SOLUTION NMR
1AIY A;C;E;G;I;K R6 INSULIN HEXAMER 21 SS 1 - Natural Homo Sapiens SOLUTION NMR
1AKG A ALPHA-CONOTOXIN PNIB 17 SS 2 2 Natural Conus Pennaceus X-RAY DIFFRACTION
1ANS A NEUROTOXIN III 27 SS 3 3 Natural Anemonia Sulcata SOLUTION NMR
1APF A ANTHOPLEURIN-B 49 SS 3 3 Natural Anthopleura Xanthogrammica SOLUTION NMR
1APO A EGF-LIKE MODULE OF BLOOD COAGULATION FACTOR X 42 SS 3 3 Natural Bos Taurus SOLUTION NMR
1AS5 A CONOTOXIN Y-PIIIE 25 SS 3 3 Non-natural Conus Purpurascens SOLUTION NMR
1ATX A ATX IA 46 SS 3 3 Natural Anemonia Sulcata SOLUTION NMR
1AV3 A KAPPA-CONOTOXIN PVIIA 27 SS 3 3 Non-natural Conus Purpurascens SOLUTION NMR
1AXH A ATRACOTOXIN-HVI 37 SS 3 3 Natural Hadronyche Versuta SOLUTION NMR
1AZ6 A CELLOBIOHYDROLASE I 36 SS 2 2 Natural Hypocrea Jecorina SOLUTION NMR
1AZH A CELLOBIOHYDROLASE I 36 SS 2 2 Natural Hypocrea Jecorina SOLUTION NMR
1AZJ A CELLOBIOHYDROLASE I 36 SS 2 2 Natural Hypocrea Jecorina SOLUTION NMR
1AZK A CELLOBIOHYDROLASE I 36 SS 2 2 Natural Hypocrea Jecorina SOLUTION NMR
1B1V A PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE) 23 SS 1 1 Natural Unknow SOLUTION NMR
1B45 A ALPHA-CNIA 15 SS 2 2 Natural Conus Consors SOLUTION NMR
1B5N A PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE) 23 SS 1 1 Natural Unknow SOLUTION NMR
1B6J C RETROPEPSIN 6 Sidechain 1 - Non-natural Unknow X-RAY DIFFRACTION
1B8W A PROTEIN (DEFENSIN-LIKE PEPTIDE 1) 42 SS 3 3 Natural Ornithorhynchus Anatinus SOLUTION NMR
1B9E A;C PROTEIN (INSULIN) 21 SS 1 - Natural Homo Sapiens X-RAY DIFFRACTION
1BAH A CHARYBDOTOXIN 37 SS 2 2 Non-natural Leiurus Quinquestriatus SOLUTION NMR
1BBG A POLLEN ALLERGEN 5 40 SS 4 4 Natural Ambrosia Trifida SOLUTION NMR
1BCK C PEPTIDYL-PROLYL CIS-TRANS ISOMERASE A 11 H2T 1 - Non-natural Tolypocladium Inflatum X-RAY DIFFRACTION
1BDS A BDS-I 43 SS 3 3 Natural Anemonia Sulcata SOLUTION NMR
1BEI A POTASSIUM CHANNEL TOXIN SHK 35 SS 3 3 Non-natural Stichodactyla Helianthus SOLUTION NMR
1BF9 A FACTOR VII 41 SS 3 3 Natural Homo Sapiens SOLUTION NMR
1BGK A BGK 37 SS 3 3 Natural Bunodosoma Granulifera SOLUTION NMR
1BH4 A CIRCULIN A 30 SS 4 3 Natural Chassalia Parviflora SOLUTION NMR
1BI6 H BROMELAIN INHIBITOR VI 41 SS 2 2 Natural Ananas Comosus SOLUTION NMR
1BIG A TOXIN BMTX1 37 SS 3 3 Non-natural Olivierus Martensii SOLUTION NMR
1BKT A BMKTX 38 SS 3 3 Natural Mesobuthus Martensii SOLUTION NMR
1BKU A CALCITONIN 33 SS 1 1 Natural Anguilla Japonica SOLUTION NMR
1BM2 L PROTEIN (GROWTH FACTOR RECEPTOR BOUND PROTEIN 2) 7 Sidechain 1 - Non-natural Unknow X-RAY DIFFRACTION
1BNB A BOVINE NEUTROPHIL BETA-DEFENSIN 12 38 SS 3 3 Natural Bos Taurus SOLUTION NMR
1BOE A PROTEIN (INSULIN-LIKE GROWTH FACTOR-BINDING PROTEIN-5 (IGFBP-5)) 47 SS 1 1 Natural Homo Sapiens SOLUTION NMR
1BOM A BOMBYXIN-II,BOMBYXIN A-2 20 SS 1 1 Natural Bombyx Mori SOLUTION NMR
1BON A BOMBYXIN-II,BOMBYXIN A-2 20 SS 1 1 Natural Bombyx Mori SOLUTION NMR
1BQF A PROTEIN (GROWTH-BLOCKING PEPTIDE) 25 SS 1 1 Natural Apanteles Kariyai SOLUTION NMR
1BRV A PROTEIN G 32 SS 2 2 Natural Bovine Respiratory Syncytial Virus (Strain 391-2) SOLUTION NMR
1BYV A PROTEIN (CALCITONIN) 33 SS 1 1 Natural Anguilla Japonica SOLUTION NMR