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PDB Chain Name Length Cyclization Rings Disulfide Type Source Method
1WB0 B ARGIFIN 5 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
1WCT A OMEGAC-TXIX 13 SS 2 2 Non-natural Conus Textile SOLUTION NMR
1WM7 A NEUROTOXIN BMP01 29 SS 3 3 Natural Mesobuthus Martensii SOLUTION NMR
1WM8 A NEUROTOXIN BMP03 28 SS 3 3 Natural Mesobuthus Martensii SOLUTION NMR
1WMT A ISTX 41 SS 4 4 Natural Unknow SOLUTION NMR
1WO0 A TACHYPLESIN I 18 SS 2 2 Natural Tachypleus Tridentatus SOLUTION NMR
1WO1 A TACHYPLESIN I 18 SS 2 2 Natural Tachypleus Tridentatus SOLUTION NMR
1WO9 A TRYPSIN INHIBITOR 35 SS 3 3 Natural Unknow SOLUTION NMR
1WPD A POTASSIUM CHANNEL TOXIN ALPHA-KTX 6.2,POTASSIUM CHANNEL TOXIN ALPHA-KTX 6.3 34 SS 4 4 Natural Scorpio Palmatus SOLUTION NMR
1WQB A APTOTOXIN VII 32 SS 3 3 Natural Unknow SOLUTION NMR
1WQC A OMTX1 26 SS 2 2 Natural Opisthacanthus Madagascariensis SOLUTION NMR
1WQD A OMTX2 27 SS 2 2 Natural Opisthacanthus Madagascariensis SOLUTION NMR
1WQE A OMTX3 23 SS 2 2 Natural Opisthacanthus Madagascariensis SOLUTION NMR
1WQK A TOXIN APETX1 42 SS 3 3 Natural Anthopleura Elegantissima SOLUTION NMR
1WSO A OREXIN-A 34 SS 2 2 Non-natural Homo Sapiens SOLUTION NMR
1WT7 A BUTX-MTX 41 SS 5 5 Natural Unknow SOLUTION NMR
1WT8 A NEUROTOXIN BMK X 31 SS 3 3 Natural Mesobuthus Martensii SOLUTION NMR
1WXN A TOXIN APETX2 42 SS 3 3 Natural Anthopleura Elegantissima SOLUTION NMR
1WZ5 A POTASSIUM CHANNEL BLOCKING TOXIN 1 35 SS 3 3 Non-natural Pandinus Imperator SOLUTION NMR
1X5V A PCFK1 34 SS 3 3 Non-natural Psalmopoeus Cambridgei SOLUTION NMR
1X7K A POLYPHEMUSIN I 19 SS 2 2 Natural Unknow SOLUTION NMR
1XBH A PROTEIN (CYCLO(L-262)) 13 SS 1 1 Non-natural Unknow SOLUTION NMR
1XGA A ALPHA-CONOTOXIN GI 14 SS 2 2 Natural Conus Geographus SOLUTION NMR
1XGB A ALPHA-CONOTOXIN GI 14 SS 2 2 Natural Unknow SOLUTION NMR
1XGC A ALPHA-CONOTOXIN GI 14 SS 2 2 Natural Unknow SOLUTION NMR
1XGL A INSULIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
1XQ7 D;E;F PEPTIDYL-PROLYL CIS-TRANS ISOMERASE 11 H2T 1 - Non-natural Tolypocladium Inflatum 2 X-RAY DIFFRACTION
1XSW A KALIOTOXIN 1 38 SS 3 3 Natural Androctonus Mauretanicus Mauretanicus SOLID-STATE NMR
1XU1 R;S;T TUMOR NECROSIS FACTOR LIGAND SUPERFAMILY MEMBER 13 42 SS 3 - Natural Homo Sapiens X-RAY DIFFRACTION
1XU2 R;S;T TUMOR NECROSIS FACTOR LIGAND SUPERFAMILY MEMBER 13 47 SS 3 - Natural Homo Sapiens X-RAY DIFFRACTION
1XUT A TUMOR NECROSIS FACTOR RECEPTOR SUPERFAMILY MEMBER 13B 46 SS 3 3 Natural Homo Sapiens SOLUTION NMR
1XV3 A PENAEIDIN-4D 47 SS 3 3 Natural Unknow SOLUTION NMR
1XXZ A SST1-SELECTIVE SOMATOSATIN (ANALOG 5) 11 SS 1 1 Non-natural Unknow SOLUTION NMR
1XY4 A SST1-SELECTIVE SOMATOSATIN ANALOG 12 SS 2 1 Non-natural Unknow SOLUTION NMR
1XY5 A SST1-SELECTIVE SOMATOSATIN ANALOG 12 SS 1 1 Non-natural Unknow SOLUTION NMR
1XY6 A SST1-SELECTIVE SOMATOSATIN ANALOG 12 SS 1 1 Non-natural Unknow SOLUTION NMR
1XY8 A SST1-SELECTIVE SOMATOSATIN ANALOG 12 SS 1 1 Non-natural Unknow SOLUTION NMR
1XY9 A SST1-SELECTIVE SOMATOSATIN ANALOG 11 SS 1 1 Non-natural Unknow SOLUTION NMR
1Y1B A ELASTASE INHIBITOR 48 SS 3 3 Natural Unknow SOLUTION NMR
1Y1C A ELASTASE INHIBITOR 48 SS 3 3 Natural Unknow SOLUTION NMR
1Y1W J;L 5'-D(P*AP*GP*TP*AP*CP*TP*TP*AP*CP*GP*CP*CP*TP*GP*GP*TP*CP*A P*T)-3' 70 SS 1 - Natural Saccharomyces Cerevisiae X-RAY DIFFRACTION
1Y29 A HUWENTOXIN-X 28 SS 3 3 Natural Unknow SOLUTION NMR
1Y2P A NEUROTOXIN HSTX1 34 SS 3 3 Natural Unknow SOLUTION NMR
1Y49 A CARDIOACTIVE PEPTIDE 9 SS 1 1 Natural Unknow SOLUTION NMR
1Y58 A LACTOTRANSFERRIN 14 SS 1 1 Natural Unknow SOLUTION NMR
1Y77 J;L 5'-D(P*AP*GP*TP*AP*CP*TP*TP*AP*CP*T*CP*GP*CP*CP*TP*GP*GP*TP *CP*TP*G)-3' 70 SS 1 - Natural Saccharomyces Cerevisiae X-RAY DIFFRACTION
1YF4 B TRYPSIN 10 SS 1 1 Natural Unknow X-RAY DIFFRACTION
1YIT 8 23S RIBOSOMAL RNA 7 Sidechain 1 - Non-natural Streptomyces Virginiae X-RAY DIFFRACTION
1YK0 E ATRIAL NATRIURETIC PEPTIDE CLEARANCE RECEPTOR 21 SS 1 1 Natural Unknow X-RAY DIFFRACTION
1YK1 E ATRIAL NATRIURETIC PEPTIDE CLEARANCE RECEPTOR 21 SS 1 1 Natural Unknow X-RAY DIFFRACTION