Specification
Description
Gramicidin S is an anttiboitics. Gramicidin S reduces the cell number of planktonic cells within 20-40 min at a concentration of 40-80 μg/mL. Gramicidin S kills the cells of pre-grown biofilms at concentrations of 100-200 μg/mL, such that no re-growth is possible. The translocation of the peptide into the cell interior and its complexation with intracellular nucleotides, including the alarmon ppGpp, can explain its anti-biofilm effect. The successful treatment of persistently infected root canals of two volunteers confirms the high effectiveness of GS. The broad Gramicidin S activity towards resistant, biofilm-forming E. faecalis suggests its applications for approval in root canal medication.
IUPAC Name
(6R,9S,12S,15S,17aS,23R,26S,29S,32S,34aS)-12,29-bis(3-aminopropyl)-6,23-dibenzyl-9,26-diisobutyl-15,32-diisopropyldocosahydro-1H,5H-dipyrrolo[1,2-a:1',2'-p][1,4,7,10,13,16,19,22,25,28]decaazacyclotriacontine-5,8,11,14,17,22,25,28,31,34(34aH)-decaone
Canonical SMILES
CC(C)C[C@@H]1NC(=O)[C@H](CCCN)NC(=O)[C@@H](NC(=O)[C@@H]2CCCN2C(=O)[C@@H](Cc3ccccc3)NC(=O)[C@H](CC(C)C)NC(=O)[C@H](CCCN)NC(=O)[C@@H](NC(=O)[C@@H]4CCCN4C(=O)[C@@H](Cc5ccccc5)NC1=O)C(C)C)C(C)C
InChI
InChI=1S/C60H92N12O10/c1-35(2)31-43-53(75)67-45(33-39-19-11-9-12-20-39)59(81)71-29-17-25-47(71)55(77)70-50(38(7)8)58(80)64-42(24-16-28-62)52(74)66-44(32-36(3)4)54(76)68-46(34-40-21-13-10-14-22-40)60(82)72-30-18-26-48(72)56(78)69-49(37(5)6)57(79)63-41(23-15-27-61)51(73)65-43/h9-14,19-22,35-38,41-50H,15-18,23-34,61-62H2,1-8H3,(H,63,79)(H,64,80)(H,65,73)(H,66,74)(H,67,75)(H,68,76)(H,69,78)(H,70,77)/t41-,42-,43-,44-,45+,46+,47-,48-,49-,50-/m0/s1
InChI Key
IUAYMJGZBVDSGL-XNNAEKOYSA-N
Solubility
To be determined
Shelf Life
>2 years if stored properly
Storage
Dry, dark and at 0-4 °C for short term (days to weeks) or -20 °C for long term (months to years).
Drug Formulation
To be determined
Elemental Analysis
C, 63.13; H, 8.12; N, 14.73; O, 14.02
HS Tariff Code
2934.99.9001
Shipping
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Stock Solution Storage
0-4 °C for short term (days to weeks), or -20 °C for long term (months).