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PDB Chain Name Length Cyclization Rings Disulfide Type Source Method
2KGH A VENOM PEPTIDE 2 39 SS 3 3 Natural Brachypelma Ruhnaui SOLUTION NMR
2KGU A PUROTOXIN-1 35 SS 4 4 Natural Alopecosa Marikovskyi SOLUTION NMR
2KHB A KALATA-B1 29 SS 3 3 Natural Oldenlandia Affinis SOLUTION NMR
2KIO A SERINE/THREONINE-PROTEIN KINASE TOR1 33 SS 1 1 Natural Saccharomyces Cerevisiae SOLUTION NMR
2KIR A DESIGNER TOXIN 34 SS 3 3 Natural Synthetic Construct SOLUTION NMR
2KJ7 A ISLET AMYLOID POLYPEPTIDE 38 SS 1 1 Natural Rattus Norvegicus SOLUTION NMR
2KJF A CARNOCYCLIN-A 60 H2T 1 - Natural Carnobacterium Maltaromaticum SOLUTION NMR
2KJJ A INSULIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2KJU A INSULIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2KM9 A OMEGA_CONOTOXIN-FVIA 25 SS 3 3 Natural Unknow SOLUTION NMR
2KMO A LEECH-DERIVED TRYPTASE INHIBITOR C 44 SS 3 3 Natural Hirudo Medicinalis SOLUTION NMR
2KMP A LEECH-DERIVED TRYPTASE INHIBITOR C 44 SS 2 2 Natural Hirudo Medicinalis SOLUTION NMR
2KMQ A LEECH-DERIVED TRYPTASE INHIBITOR C 44 SS 2 2 Natural Hirudo Medicinalis SOLUTION NMR
2KMR A LEECH-DERIVED TRYPTASE INHIBITOR C 44 SS 2 2 Natural Hirudo Medicinalis SOLUTION NMR
2KNI A PSALMOTOXIN-1 41 SS 3 3 Natural Psalmopoeus Cambridgei SOLUTION NMR
2KNJ A MICROPLUSIN PREPROTEIN 90 SS 3 3 Natural Rhipicephalus Microplus SOLUTION NMR
2KNM A CYCLOVIOLACIN-O2 30 SS 4 3 Natural Viola Odorata SOLUTION NMR
2KNN A CYCLOVIOLACIN-O2 30 SS 4 3 Non-natural Viola Odorata SOLUTION NMR
2KNP A MCOCC-1 33 SS 3 3 Natural Momordica Cochinchinensis SOLUTION NMR
2KOZ A NASONIN-1 33 SS 3 3 Natural Synthetic Construct SOLUTION NMR
2KP0 A NASONIN-1M 33 SS 3 3 Natural Synthetic Construct SOLUTION NMR
2KQQ A INSULIN B CHAIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2KRI A;B BETA-2-GLYCOPROTEIN 1 85 SS 3 - Natural Homo Sapiens SOLUTION NMR
2KTC A POTASSIUM CHANNEL TOXIN ALPHA-KTX 9.4 34 SS 3 3 Natural Mesobuthus Tamulus SOLUTION NMR
2KTX A KALIOTOXIN 38 SS 3 3 Natural Androctonus Mauretanicus Mauretanicus SOLUTION NMR
2KUK A LEAF CYCLOTIDE 2 30 SS 4 3 Natural Viola Hederacea SOLUTION NMR
2KUS A SM-AMP-1.1A 35 SS 3 3 Natural Stellaria Media SOLUTION NMR
2KUX A KALATA-B5 30 SS 4 3 Natural Oldenlandia Affinis SOLUTION NMR
2KUY A PREBACTERIOCIN GLYCOCIN F 43 SS 2 2 Natural Lactobacillus Plantarum SOLUTION NMR
2KVH A ZINC FINGER AND BTB DOMAIN-CONTAINING PROTEIN 32 27 SS 1 1 Natural Mus Musculus SOLUTION NMR
2KVX A KALATA-B12 28 SS 4 3 Natural Oldenlandia Affinis SOLUTION NMR
2KX5 B HIV TAR RNA 18 SS 2 1 Non-natural Unknow SOLUTION NMR
2KXK A INSULIN A CHAIN 22 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2KY3 A POTASSIUM CHANNEL TOXIN ALPHA-KTX 5.4 33 SS 3 3 Natural Mesobuthus Tamulus SOLUTION NMR
2KYJ A LITX 36 SS 2 2 Natural Liocheles Australasiae SOLUTION NMR
2L07 A DEFENSIN-LIKE PROTEIN 18 SS 1 1 Natural Pentadiplandra Brazzeana SOLUTION NMR
2L1J A AGOUTI-SIGNALING PROTEIN 34 SS 5 5 Natural Homo Sapiens SOLUTION NMR
2L1Q A LIVER-EXPRESSED ANTIMICROBIAL PEPTIDE 2 40 SS 2 2 Natural Homo Sapiens SOLUTION NMR
2L1Y A INSULIN A CHAIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2L1Z A INSULIN A CHAIN 21 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2L2R A ANTIMICROBIAL PEPTIDE ECAMP1 37 SS 2 2 Natural Echinochloa Crus-Galli SOLUTION NMR
2L37 A RIBOSOME-INACTIVATING PROTEIN LUFFIN P1 43 SS 2 2 Natural Luffa Aegyptiaca SOLUTION NMR
2L3I A AOXKI4A, ANTIMICROBIAL PEPTIDE IN SPIDER VENOM 30 SS 1 1 Natural Oxyopes Takobius SOLUTION NMR
2L86 A ISLET AMYLOID POLYPEPTIDE 38 SS 1 1 Natural Homo Sapiens SOLUTION NMR
2L8X A;B ARENICIN-2 21 SS 1 - Natural Arenicola Marina SOLUTION NMR
2LAM A CYCLOTIDE CTER M 29 SS 4 3 Natural Clitoria Ternatea SOLUTION NMR
2LAQ A ACCESSORY GLAND-SPECIFIC PEPTIDE 70A 36 SS 1 1 Non-natural Drosophila Melanogaster SOLUTION NMR
2LB7 A ANTIMICROBIAL PEPTIDE 1A 44 SS 6 6 Natural Triticum Kiharae SOLUTION NMR
2LDE A SARAFOTOXIN-I3 25 SS 2 2 Natural Unknow SOLUTION NMR
2LDF A SARAFOTOXIN-M 24 SS 2 2 Natural Atractaspis Microlepidota SOLUTION NMR