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2D Structure
Also known as: 154947-66-7, Ll-37, Ropocamptide, Bac4, Cap-18, All38 peptide
Molecular Formula
C205H340N60O53
Molecular Weight
4493  g/mol
InChI Key
POIUWJQBRNEFGX-XAMSXPGMSA-N

Antimicrobial cationic peptides with a highly conserved amino terminal cathelin-like domain and a more variable carboxy terminal domain. They are initially synthesized as preproproteins and then cleaved. They are expressed in many tissues of humans and localized to EPITHELIAL CELLS. They kill nonviral pathogens by forming pores in membranes.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(4S)-5-[[(2S)-6-amino-1-[[(2S,3S)-1-[[2-[[(2S)-6-amino-1-[[(2S)-1-[[(2S)-1-[[(2S)-6-amino-1-[[(2S)-1-[[(2S,3S)-1-[[(2S)-1-[[(2S)-5-amino-1-[[(2S)-1-[[(2S,3S)-1-[[(2S)-6-amino-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-1-[[(2S)-4-amino-1-[[(2S)-1-[[(2S)-1-[(2S)-2-[[(2S)-5-carbamimidamido-1-[[(2S,3R)-1-[[(2S)-4-carboxy-1-[[(1S)-1-carboxy-2-hydroxyethyl]amino]-1-oxobutan-2-yl]amino]-3-hydroxy-1-oxobutan-2-yl]amino]-1-oxopentan-2-yl]carbamoyl]pyrrolidin-1-yl]-3-methyl-1-oxobutan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-1,4-dioxobutan-2-yl]amino]-5-carbamimidamido-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-carboxy-1-oxopropan-2-yl]amino]-1-oxohexan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-5-carbamimidamido-1-oxopentan-2-yl]amino]-1,5-dioxopentan-2-yl]amino]-3-methyl-1-oxobutan-2-yl]amino]-3-methyl-1-oxopentan-2-yl]amino]-5-carbamimidamido-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-4-carboxy-1-oxobutan-2-yl]amino]-1-oxohexan-2-yl]amino]-2-oxoethyl]amino]-3-methyl-1-oxopentan-2-yl]amino]-1-oxohexan-2-yl]amino]-4-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-6-amino-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-[[2-[[(2S)-2-[[(2S)-2-amino-4-methylpentanoyl]amino]-4-methylpentanoyl]amino]acetyl]amino]-3-carboxypropanoyl]amino]-3-phenylpropanoyl]amino]-3-phenylpropanoyl]amino]-5-carbamimidamidopentanoyl]amino]hexanoyl]amino]-3-hydroxypropanoyl]amino]hexanoyl]amino]-5-oxopentanoic acid
2.1.2 InChI
InChI=1S/C205H340N60O53/c1-20-114(16)162(261-179(296)128(66-40-46-86-211)235-176(293)135(74-78-155(273)274)243-170(287)125(63-37-43-83-208)241-192(309)148(106-266)257-174(291)126(64-38-44-84-209)234-171(288)129(67-47-87-225-201(215)216)240-185(302)142(98-119-55-29-24-30-56-119)252-187(304)144(100-121-59-33-26-34-60-121)253-189(306)146(102-158(279)280)233-154(272)104-230-167(284)138(94-109(6)7)248-166(283)122(212)93-108(4)5)194(311)231-105-153(271)232-123(61-35-41-81-206)168(285)242-136(75-79-156(275)276)177(294)251-141(97-118-53-27-23-28-54-118)184(301)238-124(62-36-42-82-207)169(286)236-131(69-49-89-227-203(219)220)181(298)263-164(116(18)22-3)197(314)259-160(112(12)13)195(312)246-134(73-77-151(213)269)175(292)237-132(70-50-90-228-204(221)222)180(297)262-163(115(17)21-2)196(313)245-127(65-39-45-85-210)172(289)256-147(103-159(281)282)190(307)254-143(99-120-57-31-25-32-58-120)186(303)249-139(95-110(8)9)183(300)239-130(68-48-88-226-202(217)218)173(290)255-145(101-152(214)270)188(305)250-140(96-111(10)11)191(308)260-161(113(14)15)199(316)265-92-52-72-150(265)193(310)244-133(71-51-91-229-205(223)224)182(299)264-165(117(19)268)198(315)247-137(76-80-157(277)278)178(295)258-149(107-267)200(317)318/h23-34,53-60,108-117,122-150,160-165,266-268H,20-22,35-52,61-107,206-212H2,1-19H3,(H2,213,269)(H2,214,270)(H,230,284)(H,231,311)(H,232,271)(H,233,272)(H,234,288)(H,235,293)(H,236,286)(H,237,292)(H,238,301)(H,239,300)(H,240,302)(H,241,309)(H,242,285)(H,243,287)(H,244,310)(H,245,313)(H,246,312)(H,247,315)(H,248,283)(H,249,303)(H,250,305)(H,251,294)(H,252,304)(H,253,306)(H,254,307)(H,255,290)(H,256,289)(H,257,291)(H,258,295)(H,259,314)(H,260,308)(H,261,296)(H,262,297)(H,263,298)(H,264,299)(H,273,274)(H,275,276)(H,277,278)(H,279,280)(H,281,282)(H,317,318)(H4,215,216,225)(H4,217,218,226)(H4,219,220,227)(H4,221,222,228)(H4,223,224,229)/t114-,115-,116-,117+,122-,123-,124-,125-,126-,127-,128-,129-,130-,131-,132-,133-,134-,135-,136-,137-,138-,139-,140-,141-,142-,143-,144-,145-,146-,147-,148-,149-,150-,160-,161-,162-,163-,164-,165-/m0/s1
2.1.3 InChI Key
POIUWJQBRNEFGX-XAMSXPGMSA-N
2.1.4 Canonical SMILES
CCC(C)C(C(=O)NCC(=O)NC(CCCCN)C(=O)NC(CCC(=O)O)C(=O)NC(CC1=CC=CC=C1)C(=O)NC(CCCCN)C(=O)NC(CCCNC(=N)N)C(=O)NC(C(C)CC)C(=O)NC(C(C)C)C(=O)NC(CCC(=O)N)C(=O)NC(CCCNC(=N)N)C(=O)NC(C(C)CC)C(=O)NC(CCCCN)C(=O)NC(CC(=O)O)C(=O)NC(CC2=CC=CC=C2)C(=O)NC(CC(C)C)C(=O)NC(CCCNC(=N)N)C(=O)NC(CC(=O)N)C(=O)NC(CC(C)C)C(=O)NC(C(C)C)C(=O)N3CCCC3C(=O)NC(CCCNC(=N)N)C(=O)NC(C(C)O)C(=O)NC(CCC(=O)O)C(=O)NC(CO)C(=O)O)NC(=O)C(CCCCN)NC(=O)C(CCC(=O)O)NC(=O)C(CCCCN)NC(=O)C(CO)NC(=O)C(CCCCN)NC(=O)C(CCCNC(=N)N)NC(=O)C(CC4=CC=CC=C4)NC(=O)C(CC5=CC=CC=C5)NC(=O)C(CC(=O)O)NC(=O)CNC(=O)C(CC(C)C)NC(=O)C(CC(C)C)N
2.1.5 Isomeric SMILES
CC[C@H](C)[C@@H](C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC1=CC=CC=C1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(=O)N)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CC2=CC=CC=C2)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(=O)N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N3CCC[C@H]3C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CO)C(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCC(=O)O)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CO)NC(=O)[C@H](CCCCN)NC(=O)[C@H](CCCNC(=N)N)NC(=O)[C@H](CC4=CC=CC=C4)NC(=O)[C@H](CC5=CC=CC=C5)NC(=O)[C@H](CC(=O)O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@H](CC(C)C)N
2.2 Synonyms
2.2.1 MeSH Synonyms

1. All 38 Peptide

2. All-38 Peptide

3. Antibacterial Peptide Ll 37

4. Antibacterial Peptide Ll-37

5. Antibacterial Peptide, Ll-37

6. Antimicrobial Peptide Ll 37

7. Antimicrobial Peptide Ll-37

8. Antimicrobial Peptide, Cathelin-related

9. Bac4 Protein, Bos Taurus

10. Cap 18

11. Cap-18

12. Cap18

13. Cap18 Lipopolysaccharide Binding Protein

14. Cap18 Lipopolysaccharide-binding Protein

15. Cath 1 Protein

16. Cath-1 Protein

17. Cathelicidin 1

18. Cathelicidin Antimicrobial Peptide

19. Cathelicidin Ll 37

20. Cathelicidin Ll-37

21. Cathelicidin-1

22. Cathelicidins

23. Cathelin-like Protein

24. Cathelin-related Antimicrobial Peptide

25. Ecath 1

26. Ecath 1 Protein, Equus Caballus

27. Ecath-1

28. Ecath-1 Protein, Equus Caballus

29. Fa Ll 37

30. Fa-ll-37

31. Hcap 18

32. Hcap-18

33. K9cath

34. Lipopolysaccharide-binding Protein, Cap18

35. Ll 37 Antibacterial Peptide

36. Ll 37 Peptide

37. Ll-37 Antibacterial Peptide

38. Ll-37 Peptide

39. Ll-37, Antibacterial Peptide

40. Ll-37, Antimicrobial Peptide

41. Ll-37, Cathelicidin

42. Myeloid Cathelicidin 1 Protein, Equus Caballus

43. Peptide Ll-37, Antibacterial

44. Peptide Ll-37, Antimicrobial

45. Peptide, All-38

46. Peptide, Cathelin-related Antimicrobial

47. Peptide, Ll-37

48. Peptide, Ll-37 Antibacterial

49. Protein, Cap18 Lipopolysaccharide-binding

50. Protein, Cath-1

51. Protein, Cathelin-like

52. Ropocamptide

2.2.2 Depositor-Supplied Synonyms

1. 154947-66-7

2. Ll-37

3. Ropocamptide

4. Bac4

5. Cap-18

6. All38 Peptide

7. Cathelicidin Ll 37

8. Ll-37 (human)

9. Hcap 18

10. Ll-37 Trifluoroacetate Salt

11. Ll-37/hcap18

12. Cap18,

13. Chembl530345

14. Ll 37

15. Cathelicidin Antimicrobial Peptide 18

16. Akos024458536

17. Rs-2000

18. Llgdffrkskekigkefkrivqrikdflrnlvprtes

19. Ll-37 (llgdffrkskekigkefkrivqrikdflrnlvprtes-acid)

20. Nh2-leu-leu-gly-asp-phe-phe-arg-lys-ser-lys-glu-lys-ile-gly-lys-glu-phe-lys-arg-ile-val-gln-arg-ile-lys-asp-phe-leu-arg-asn-leu-val-pro-arg-thr-glu-ser-cooh

2.3 Create Date
2007-07-06
3 Chemical and Physical Properties
Molecular Weight 4493 g/mol
Molecular Formula C205H340N60O53
XLogP3-20.7
Hydrogen Bond Donor Count68
Hydrogen Bond Acceptor Count65
Rotatable Bond Count166
Exact Mass4492.5821356 g/mol
Monoisotopic Mass4490.5754259 g/mol
Topological Polar Surface Area1900 Ų
Heavy Atom Count318
Formal Charge0
Complexity10700
Isotope Atom Count0
Defined Atom Stereocenter Count39
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1