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PDB Chain Name Length Cyclization Rings Disulfide Type Source Method
4KEL B KALLIKREIN-4 14 SS 2 1 Natural Helianthus Annuus X-RAY DIFFRACTION
4KTS B CATIONIC TRYPSIN 14 Sidechain 3 - Natural Microcystis Aeruginosa Mrc X-RAY DIFFRACTION
4KTU B CATIONIC TRYPSIN 14 Sidechain 3 - Natural Microcystis Aeruginosa Mrc X-RAY DIFFRACTION
4L3O E;F;G;H NAD-DEPENDENT PROTEIN DEACETYLASE SIRTUIN-2 16 Sidechain 1 - Non-natural Unknow X-RAY DIFFRACTION
4LAJ C;D;G;K HIV-1 YU2 GP120 ENVELOPE GLYCOPROTEIN 28 SS 2 - Non-natural Human Immunodeficiency Virus 1 X-RAY DIFFRACTION
4LB1 A;B;D;E NEUTROPHIL DEFENSIN 1 30 SS 3 - Natural Homo Sapiens X-RAY DIFFRACTION
4LB7 A;B;D;E NEUTROPHIL DEFENSIN 1 30 SS 3 - Natural Homo Sapiens X-RAY DIFFRACTION
4M1D P;Q FAB MAB 447-52D LIGHT CHAIN 14 SS 1 - Natural Unknow X-RAY DIFFRACTION
4M4F A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M4H A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M4I A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M4J A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M4L A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M4M A;C INSULIN 21 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4M6E A TYROCIDINE A 10 H2T 1 - Non-natural Bacillus Brevis X-RAY DIFFRACTION
4MFQ B Teicoplanin pseudoaglycone 7 Sidechain 3 - Non-natural Actinoplanes Teichomyceticus X-RAY DIFFRACTION
4MNV B UROKINASE-TYPE PLASMINOGEN ACTIVATOR CHAIN B 10 Sidechain 1 - Natural Homo Sapiens X-RAY DIFFRACTION
4MNW B UROKINASE-TYPE PLASMINOGEN ACTIVATOR CHAIN B 14 Sidechain 2 - Natural Unknow X-RAY DIFFRACTION
4MNX B UROKINASE-TYPE PLASMINOGEN ACTIVATOR CHAIN B 14 Sidechain 2 - Natural Unknow X-RAY DIFFRACTION
4MNY C;D UROKINASE-TYPE PLASMINOGEN ACTIVATOR CHAIN B 14 Sidechain 2 - Natural Unknow X-RAY DIFFRACTION
4MQ9 I GE23077 7 Sidechain 1 - Non-natural Actinomadura Sp X-RAY DIFFRACTION
4MZJ T MYOSIN A TAIL DOMAIN INTERACTING PROTEIN 19 Sidechain 1 - Non-natural Plasmodium Falciparum X-RAY DIFFRACTION
4MZK T MYOSIN A TAIL DOMAIN INTERACTING PROTEIN 19 Sidechain 1 - Non-natural Plasmodium Falciparum X-RAY DIFFRACTION
4MZL C;D MYOSIN A TAIL DOMAIN INTERACTING PROTEIN 17 Sidechain 1 - Non-natural Plasmodium Falciparum X-RAY DIFFRACTION
4MZZ A;B OSTEOCALCIN 33 SS 1 - Natural Bos Taurus X-RAY DIFFRACTION
4N5T B PROTEIN MDM4 15 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4N7Y C;D 14-3-3 PROTEIN ZETA/DELTA 11 Sidechain 1 - Non-natural Pseudomonas Aeruginosa X-RAY DIFFRACTION
4N84 C;E 14-3-3 PROTEIN ZETA/DELTA 10 Sidechain 1 - Non-natural Pseudomonas Aeruginosa X-RAY DIFFRACTION
4NE9 D PROPROTEIN CONVERTASE SUBTILISIN/KEXIN TYPE 9 26 SS 2 2 Natural Homo Sapiens X-RAY DIFFRACTION
4NEC E PUTATIVE SAM-DEPENDENT METHYLTRANSFERASE 8 Sidechain 2 - Non-natural Streptomyces Lasaliensis; Streptomyces Echinatus X-RAY DIFFRACTION
4NQS D;E;I;J IG GAMMA-1 CHAIN C REGION 34 SS 1 - Natural Staphylococcus X-RAY DIFFRACTION
4O3U P HEPATOCYTE GROWTH FACTOR 15 SS 1 1 Natural Synthetic Construct X-RAY DIFFRACTION
4OGA A INSULIN A CHAIN 21 SS 1 1 Natural Homo Sapiens X-RAY DIFFRACTION
4OIN I GE23077 7 Sidechain 1 - Non-natural Actinomadura Sp X-RAY DIFFRACTION
4OIP I GE23077 7 Sidechain 1 - Non-natural Actinomadura Sp X-RAY DIFFRACTION
4OIQ I GE23077 7 Sidechain 1 - Non-natural Actinomadura Sp X-RAY DIFFRACTION
4OIR I GE23077 7 Sidechain 1 - Non-natural Actinomadura Sp X-RAY DIFFRACTION
4OS1 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 15 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OS2 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 14 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OS4 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 15 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OS5 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 15 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OS6 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 14 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OS7 B UROKINASE-TYPE PLASMINOGEN ACTIVATOR 15 Sidechain 2 - Non-natural Unknow X-RAY DIFFRACTION
4OU3 B AMINOPEPTIDASE N 6 SS 1 1 Natural Unknow X-RAY DIFFRACTION
4P4V A;B;C CYCLIC HEXADECAPEPTIDE (ORN)YLL(PHI)YTE(ORN)KVA(MAA)AVK 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4P4W A;B;C;D;E;F;G;H;I;J;K;L CYCLIC HEXADECAPEPTIDE (ORN)YLL(PHI)YTE(ORN)KVA(MVA)AVK 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4P4X A;B;C;D;E;F;G;H;I;J;K;L CYCLIC HEXADECAPEPTIDE (ORN)YLL(PH7)YTE(ORN)KVA(MLE)AVK 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4P4Y A;B;C;D;E;F;G CYCLIC HEXADECAPEPTIDE (ORN)YLL(PHI)YTE(ORN)KVT(MAA)TVK 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4P4Z A;B;C;D;E;F;G;H;I;J;K;L CYCLIC HEXADECAPEPTIDE (ORN)YLL(PHI)YTE(ORN)KVT(MVA)TVK 16 Sidechain 1 - Non-natural Synthetic Construct X-RAY DIFFRACTION
4P65 A;C;E;G;I;K INSULIN 21 SS 1 - Natural Homo Sapiens X-RAY DIFFRACTION