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PDB Chain Name Length Cyclization Rings Disulfide Type Source Method
6PC5 C 23S RIBOSOMAL RNA 7 Sidechain 1 - Non-natural Streptomyces Virginiae ELECTRON MICROSCOPY
6PI2 A TACHYPLESIN II 18 SS 2 2 Natural Conus Miles SOLUTION NMR
6PI3 A TACHYPLESIN-3 18 SS 2 2 Natural Tachypleus Gigas SOLUTION NMR
6PIN A TACHYPLESIN-1 18 SS 3 2 Natural Tachypleus Tridentatus SOLUTION NMR
6PIO A TACHYPLESIN-2 18 SS 3 2 Natural Tachypleus Tridentatus SOLUTION NMR
6PIP A TACHYPLESIN-3 18 SS 3 2 Natural Tachypleus Gigas SOLUTION NMR
6PKA H ATP-DEPENDENT CLP PROTEASE PROTEOLYTIC SUBUNIT 7 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6PMD H ATP-DEPENDENT CLP PROTEASE PROTEOLYTIC SUBUNIT 7 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6PPC A CONOPEPTIDE PHI-MIXXVIIA 33 SS 4 4 Natural Dolopus Genitalis SOLUTION NMR
6PTR X;Y BETA SLIDING CLAMP 11 Sidechain 1 - Non-natural Streptomyces Griseus X-RAY DIFFRACTION
6PTV X;Y BETA SLIDING CLAMP 11 Sidechain 1 - Non-natural Streptomyces Griseus X-RAY DIFFRACTION
6PV9 B PROGRAMMED CELL DEATH 1 LIGAND 1 17 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6PX7 A VENOM POLYPEPTIDE 34 SS 3 3 Natural Dolopus Genitalis SOLUTION NMR
6PX8 A VENOM POLYPEPTIDE 37 SS 3 3 Natural Gallus Gallus SOLUTION NMR
6Q1U C;D PLASMINOGEN 14 H2T 2 - Natural Helianthus Annuus X-RAY DIFFRACTION
6Q5Z A CONOTOXIN VC7.2 29 SS 3 3 Natural Conus Victoriae SOLUTION NMR
6Q9F B ASPARTYL/ASPARAGINYL BETA-HYDROXYLASE 39 SS 1 1 Natural Homo Sapiens X-RAY DIFFRACTION
6QES A GALLINACIN-11 40 SS 4 4 Natural Gallus Gallus SOLUTION NMR
6QET A GALLINACIN-11 42 SS 4 4 Natural Synthetic Construct SOLUTION NMR
6QEU A GALLINACIN-11 82 SS 6 6 Natural Gallus Gallus SOLUTION NMR
6QEV D PRO-LYS-SER-ILE-ARG-ILE-GLY-PRO-GLY-GLN-ALA-PHE-TYR-ALA-DPR 15 H2T 1 - Non-natural Rhipicephalus Sanguineus X-RAY DIFFRACTION
6QJB A EVASIN-3 40 SS 3 3 Natural Sus Scrofa SOLUTION NMR
6QKF A PROTEGRIN-4 18 SS 2 2 Natural Bos Taurus SOLUTION NMR
6QQG A INSULIN 21 SS 1 1 Natural Bos Taurus X-RAY DIFFRACTION
6QRH A INSULIN 21 SS 1 1 Natural Bos Taurus X-RAY DIFFRACTION
6QRK A INSULIN 21 SS 1 1 Natural Poecilotheria Formosa X-RAY DIFFRACTION
6R28 A PEPTIDE P7 16 SS 1 1 Non-natural Synthetic Construct SOLUTION NMR
6RW2 B EPHRIN TYPE-A RECEPTOR 2 18 Sidechain 2 - Natural Synthetic Construct X-RAY DIFFRACTION
6S35 C LYSINE-SPECIFIC HISTONE DEMETHYLASE 1A 11 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6SAA A U1-THERAPHOTOXIN-PF3 28 SS 3 3 Natural Parabuthus Transvaalicus SOLUTION NMR
6SAB A M-BUTX-PTR1A 34 SS 3 3 Natural Homo Sapiens SOLUTION NMR
6SOF E;G;I;K INSULIN RECEPTOR 21 SS 1 - Natural Homo Sapiens ELECTRON MICROSCOPY
6T2D B E3 UBIQUITIN-PROTEIN LIGASE MDM2 14 Sidechain 1 - Natural Synthetic Construct X-RAY DIFFRACTION
6T2F B E3 UBIQUITIN-PROTEIN LIGASE MDM2 14 Sidechain 1 - Natural Synthetic Construct X-RAY DIFFRACTION
6T7Z B KELCH-LIKE ECH-ASSOCIATED PROTEIN 1 10 SS 1 1 Non-natural Synthetic Construct X-RAY DIFFRACTION
6TWC C COAGULATION FACTOR XI 12 Sidechain 2 - Non-natural Homo Sapiens X-RAY DIFFRACTION
6TYH A;C;E;G;I;K INSULIN A CHAIN 22 SS 1 - Natural Medicago Truncatula X-RAY DIFFRACTION
6U22 C CATIONIC TRYPSIN 14 H2T 2 - Natural Helianthus Annuus X-RAY DIFFRACTION
6U24 A GLY-ARG-ALA-THR-LYS-SER-ILE-PRO-PRO-ILE-ALA-PHE-PRO-ASP 14 H2T 2 - Natural Homo Sapiens SOLUTION NMR
6U4A C;D CYCLIC PEPTIDE 3.1_3 13 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U61 E;D CYCLIC PEPTIDE 3.1_3 13 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U6G A PUTATIVE LATE NODULIN 36 SS 2 2 Natural Synthetic Construct SOLUTION NMR
6U6K C CYCLIC PEPTIDE 3.1_3 13 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U6L B BROMODOMAIN-CONTAINING PROTEIN 4 15 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U71 B CYCLIC PEPTIDE 3.1_3 13 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U72 C 3.1_2_ACK5TOA 15 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U74 E;F BROMODOMAIN-CONTAINING PROTEIN 4 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
6U7Q A GLY-ARG-CYS-THR-LYS-SER-ILE-PRO-PRO-ARG-CYS-PHE-PRO-ASP INHIBITOR 14 SS 2 1 Natural Helianthus Annuus SOLUTION NMR
6U7R A GLY-LYS-CYS-LEU-PHE-SER-ASN-PRO-PRO-ILE-CYS-PHE-PRO-ASN INHIBITOR 14 SS 2 1 Natural Helianthus Annuus SOLUTION NMR
6U7S A GLY-ARG-CYS-TYR-LYS-SER-LYS-PRO-PRO-ILE-CYS-PHE-PRO-ASP INHIBITOR 14 SS 2 1 Natural Helianthus Annuus SOLUTION NMR