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Tyrocidine B hydrochloride

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Category Antibiotics
Catalog number BBF-02732
CAS 27805-48-7
Molecular Weight 1345.97
Molecular Formula C68H89ClN14O13

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Fermentation Lab

4 R&D and scale-up labs

2 Preparative purification labs

Fermentation Plant

Semi pilot, pilot and industrial plant 4 Manufacturing sites 7 Production lines at pilot scale 100+ Reactors of 30-4000 L; 170+ reactors of 20 KL-30 KL; 24+ reactors of >100 KL 2 Hydrogenation reactors (200 L, 4Mpa and 1000L, 4Mpa)

Product Description

Tyrocidine B is a peptide antibiotic originally isolated from Bac. brevis. It is resistant to gram-positive bacteria and protozoa as well as to a lesser degree to gram-negative bacteria.

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Synonyms Tyrocidine B, monohydrochloride; Cyclo(L-asparaginyl-L-glutaminyl-L-tyrosyl-L-valyl-L-ornithyl-L-leucyl-D-phenylalanyl-L-prolyl-L-tryptophyl-D-phenylalanyl), monohydrochloride
IUPAC Name 3-[(3R,6S,9S,12S,15S,18S,21S,24R,27S,30S)-21-(2-amino-2-oxoethyl)-9-(3-aminopropyl)-3,24-dibenzyl-15-[(4-hydroxyphenyl)methyl]-27-(1H-indol-3-ylmethyl)-6-(2-methylpropyl)-2,5,8,11,14,17,20,23,26,29-decaoxo-12-propan-2-yl-1,4,7,10,13,16,19,22,25,28-decazabicyclo[28.3.0]tritriacontan-18-yl]propanamide;hydrochloride
Canonical SMILES CC(C)CC1C(=O)NC(C(=O)N2CCCC2C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)NC(C(=O)N1)CCCN)C(C)C)CC3=CC=C(C=C3)O)CCC(=O)N)CC(=O)N)CC4=CC=CC=C4)CC5=CNC6=CC=CC=C65)CC7=CC=CC=C7.Cl
InChI InChI=1S/C68H88N14O13.ClH/c1-38(2)31-49-61(88)80-54(34-41-17-9-6-10-18-41)68(95)82-30-14-22-55(82)66(93)79-52(35-43-37-72-46-20-12-11-19-45(43)46)63(90)77-50(32-40-15-7-5-8-16-40)62(89)78-53(36-57(71)85)64(91)73-48(27-28-56(70)84)60(87)76-51(33-42-23-25-44(83)26-24-42)65(92)81-58(39(3)4)67(94)74-47(21-13-29-69)59(86)75-49;/h5-12,15-20,23-26,37-39,47-55,58,72,83H,13-14,21-22,27-36,69H2,1-4H3,(H2,70,84)(H2,71,85)(H,73,91)(H,74,94)(H,75,86)(H,76,87)(H,77,90)(H,78,89)(H,79,93)(H,80,88)(H,81,92);1H/t47-,48-,49-,50+,51-,52-,53-,54+,55-,58-;/m0./s1
InChI Key HPSYEUWVZQCAGA-QFVYNLTOSA-N
Antibiotic Activity Spectrum Gram-positive bacteria; Gram-negative bacteria
Melting Point 236-237°C
1. Neutralization of endotoxin toxicity in chick embryos by antibiotics
D Rifkind, J D Palmer J Bacteriol. 1966 Oct;92(4):815-9. doi: 10.1128/jb.92.4.815-819.1966.
Rifkind, David (University of Colorado Medical Center, Denver), and John D. Palmer. Neutralization of endotoxin toxicity in chick embryos by antibiotics. J. Bacteriol. 92:815-819. 1966.-Three cationic cyclic polypeptide antibiotics, polymyxin B sulfate colistin sulfate, and tyrocidine hydrochloride, were shown to neutralize endotoxin lethality in chick embryos. The neutralizing potency of these antibiotics was approximately equivalent, 0.06 to 0.11 mumole of antibiotic per mug of endotoxin. Methane sulfonation of colistin resulted in a 13-fold decrease in endotoxin-neutralizing potency. Other cationic cyclic polypeptide antibiotics were inactive, as well all other classes of antibiotics tested, including the neutral cyclic polypeptides. Several nonantibiotic polycationic proteins and polymers tested were also inactive. It is suggested that certain cationic cyclic polypeptide antibiotics neutralize by combining directly with the toxic moiety of the endotoxin molecule. Possibly this combination involves the cationic groups of the antibiotics and the polyphosphate groups of the phospholipid component of endotoxin.
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