PDB ID or protein name

Peptides of nonregular structure superfamilies

3.4.001. Contryphan (1 family)
3.4.002. Lantibiotic peptides (6 families)
3.4.003. Heat-stable enterotoxin (1 family)
3.4.004. Lipopeptide antibiotics (3 families)
3.4.005. Cyclosporin (1 family)
3.4.006. Conomarphin (1 family)
3.4.007. Designed nonregular peptides (2 families)
3.4.008. GPCR ligands (4 families)
3.4.009. Catestatin (1 family) PF01271 (Pfam)
3.4.010. Methanobactins (1 family)
3.4.012. Cyclic peptide antibiotics (3 families)
3.4.013. Nonregular protein segments (1 family)
See list of these PDB codes

Peptides of nonregular structure (41 proteins)

Family Protein Name PDB ID Species Localization Num. Subunits Num. TM Sec. Structs. Hydrophobic Thickness or Depth (Å) Tilt Angle (°) ΔGtransfer (kcal/mol)
3.4.02.03. Lantibiotic 107891 2mh5 Microbispora sp. Bact. Gram-pos plas. 1 0 7.3 ± 3.0 72 ± 38 -4.0
3.4.13.01. T-cell-specific surface glycoprotein CD28, intracellular loop 2nae Mus musculus Eukaryo. plasma 1 0 0.9 ± 10.0 81 ± 3 -6.4
3.4.05.01. Cyclosporin 1cwa Tolypocladium inflatum Secreted 1 0 10.2 ± 2.5 82 ± 53 -7.2
3.4.08.01. Neurotensin 2oyv Homo sapiens Secreted 1 0 7.3 ± 2.6 67 ± 17 -5.3
3.4.02.01. Actagardine, structure in acetonitrile solution 1aj1 Actinoplanes liguriae Secreted 1 0 3.0 ± 1.1 90 ± 11 -5.7
3.4.02.02. Mersacidin, crystal structure 1qow Bacillus sp. Secreted 3 0 3.2 ± 2.7 72 ± 31 -5.5
3.4.02.02. Mersacidin, structure in methanol solution 1mqx Bacillus sp. Secreted 1 0 1.9 ± 1.3 87 ± 15 -2.9
3.4.02.02. Mersacidin, structure in DPC micelles 1mqy Bacillus sp. Secreted 1 0 5.3 ± 0.9 90 ± 12 -6.1
3.4.02.02. Mersacidin, structure of lipid II bound peptide in DPC micelles 1mqz Bacillus sp. Secreted 1 0 4.2 ± 2.8 83 ± 15 -4.2
3.4.02.03. Nisin-Lipid II complex in DMSO solution 1wco Lactococcus lactis Secreted 1 0 8.1 ± 1.0 90 ± 5 -8.0
3.4.03.01. Heat-stable enterotoxin ST-IA/ST-P 1etn Escherichia coli Secreted 1 0 3.0 ± 3.7 33 ± 39 -2.1
3.4.04.01. Tsushimycin 1w3m Streptomyces pseudogriseolus Secreted 1 0 9.5 ± 2.1 54 ± 24 -8.6
3.4.04.01. Daptomycin, Ca-free, different conformation 1t5m Streptomyces roseosporus Secreted 1 0 2.3 ± 1.3 33 ± 6 -7.9
3.4.04.01. Daptomycin, Ca-free 1xt7 Streptomyces roseosporus Secreted 1 0 9.3 ± 3.9 10 ± 45 -6.4
3.4.04.01. Daptomycin, Ca-bound 1t5n Streptomyces roseosporus Secreted 1 0 8.6 ± 2.0 21 ± 24 -9.0
3.4.02.04. Cinnamycin 2dde Streptoverticillium griseoverticillatum Secreted 1 0 3.6 ± 1.9 30 ± 24 -5.4
3.4.02.05. Lichenicidin VK21 A2 2kto Bacillus licheniformis Secreted 1 0 6.6 ± 4.2 75 ± 3 -6.9
3.4.02.05. Lichenicidin VK21 A1 2ktn Bacillus licheniformis Secreted 1 0 7.0 ± 1.5 77 ± 13 -5.9
3.4.09.01. Granin, cyclic analogue 1n2y Bos taurus Secreted 1 0 1.9 ± 2.1 71 ± 16 -3.4
3.4.09.01. Granin 1lv4 Homo sapiens Secreted 1 0 1.8 ± 0.4 81 ± 3 -6.8
3.4.02.06. Epilancin 15X 1w9n Staphylococcus epidermidis Secreted 1 0 2.9 ± 1.0 72 ± 7 -5.0
3.4.04.02. Surfactin 2npv Bacillus subtilis Secreted 1 0 11.3 ± 2.1 55 ± 13 -11.3
3.4.06.01. Conomarphin 2jqc Conus marmoreus Secreted 1 0 4.1 ± 1.1 89 ± 12 -7.4
3.4.01.01. Contryphan-In 2m6d Conus inscriptus Secreted 1 0 8.2 ± 1.0 57 ± 15 -5.8
3.4.01.01. Contryphan-Lo 2m6h Conus loroisii Secreted 1 0 3.3 ± 0.8 89 ± 14 -5.4
3.4.02.03. Bovicin HJ50 2m8v Streptococcus equinus Secreted 1 0 2.8 ± 1.0 71 ± 8 -4.0
3.4.08.02. Somatostatin 2mi1 Homo sapiens Secreted 1 0 5.6 ± 1.5 43 ± 15 -6.2
3.4.08.03. Oxytocin 1xy2 Bos taurus Secreted 1 0 2.1 ± 2.6 86 ± 12 -3.2
3.4.12.01. Actinomycin D 1a7y Streptomyces antibioticus Secreted 1 0 11.5 ± 0.9 89 ± 11 -12.2
3.4.12.01. Actinomycin Z3 1a7z Streptomyces antibioticus Secreted 1 0 10.0 ± 1.3 76 ± 24 -9.6
3.4.12.01. Actinomycin X2 1qfi Streptomyces antibioticus Secreted 1 0 15.2 ± 2.3 35 ± 34 -14.1
3.4.12.02. Thiostrepton 1e9w Streptomyces azureus Secreted 1 0 7.3 ± 1.5 86 ± 15 -4.9
3.4.12.02. Thiostrepton, epimer form 2l2y Streptomyces azureus Secreted 1 0 2.7 ± 2.9 29 ± 9 -5.3
3.4.12.03. Bacitracin 4k7t Bacillus subtilis Secreted 1 0 9.0 ± 0.9 69 ± 8 -8.4
3.4.08.04. Met-enkephalin 1plw Homo sapiens Secreted 1 0 4.9 ± 0.8 85 ± 17 -3.8
3.4.10.01. Methanobactin 4oz7 Methylosinus sporium Secreted 1 0 2.5 ± 1.4 86 ± 15 -4.5
3.4.10.01. Methanobactin 2xjh Methylosinus trichosporium Secreted 1 0 0.7 ± 0.7 67 ± 7 -2.9
3.4.07.02. Compstatin 1a1p Designed proteins Undefined 1 0 3.4 ± 1.9 72 ± 18 -5.6
3.4.07.01. Antimicrobial cationic cyclic hexapeptide 1qvl Designed proteins Undefined 1 0 4.2 ± 1.6 84 ± 15 -6.8
3.4.07.01. VG16KRKP peptide 2mwl Designed proteins Undefined 1 0 4.4 ± 1.3 79 ± 12 -3.6
3.4.04.03. Tridecaptin A1 2n5y Designed proteins Undefined 1 0 2.1 ± 1.0 89 ± 7 -3.9