D3168
Duramycin from Streptoverticillium cinnamoneus
≥90.0%
Synonym(s):
Duramycin, Lancovutide
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About This Item
Empirical Formula (Hill Notation):
C89H125N23O25S3
CAS Number:
Molecular Weight:
2013.28
MDL number:
UNSPSC Code:
51102829
NACRES:
NA.85
Recommended Products
Quality Level
Assay
≥90.0%
form
powder
solubility
0.1 M HCl: 10 mg/mL
antibiotic activity spectrum
Gram-negative bacteria
Gram-positive bacteria
Mode of action
protein synthesis | interferes
storage temp.
2-8°C
General description
Chemical structure: tetracycline
Application
Duramycin is used to study chloride secretion by cardial, pancreatic and airway epithelial voltage-gated ion channels. It is used to study cystic fibrosis and as a novel phosphatidylethanolamine-binding molecular probe. It is used to stimulate sodium transport in cultured human colonic epithelia.
Biochem/physiol Actions
Duramycin is the smallest known polypeptide since it has only 19 amino acids. It has a defined 3-dimensional binding structure. Duramycin binds phosphatidylethanolamine (PtdE) at a 1:1 ratio with high affinity and exclusive specificity. It enhances chloride secretion in airway epithelium.
Other Notes
Keep container tightly closed in a dry and well-ventilated place.
Storage Class Code
11 - Combustible Solids
WGK
WGK 3
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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M M Cloutier et al.
The American journal of physiology, 259(3 Pt 1), C450-C454 (1990-09-01)
The effect of duramycin, a polypeptide antibiotic, on Cl- transport in canine tracheal epithelium mounted in Ussing chambers was studied. Over a narrow concentration range, duramycin increased short-circuit current (Isc) and net Cl- secretion and had no effect on mannitol
Andrei Marconescu et al.
Biochimica et biophysica acta, 1778(10), 2217-2224 (2008-06-24)
The major anionic phospholipid, phosphatidylserine (PS), and the neutral phospholipid, phosphatidylethanolamine (PE), are largely confined to the inner leaflet of the plasma membrane bilayer in mammalian cells under normal conditions. This asymmetry is lost when cells undergo apoptosis, become activated
Igor Oliynyk et al.
APMIS : acta pathologica, microbiologica, et immunologica Scandinavica, 118(12), 982-990 (2010-11-26)
The lantibiotic duramycin (Moli1901, Lancovutide) has been suggested as a drug of choice in the treatment for cystic fibrosis (CF). It has been proposed that duramycin may stimulate chloride secretion through Ca²(+) -activated Cl⁻ channels (CaCC). We investigated whether duramycin
Soichiro Matsunaga et al.
Langmuir : the ACS journal of surfaces and colloids, 25(14), 8200-8207 (2009-05-13)
We visualized nanometer-scale phospholipid particle fusion by scanning tunneling microscopy (STM) on an alkanethiol-modified gold substrate, induced by duramycin, a tetracyclic antibiotic peptide with 19 amino residues. Ultrasonic homogenization generated a suspension mainly consisting of minimal lipid particles (MLP) from
Ming Zhao et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 49(8), 1345-1352 (2008-07-18)
With only 19 amino acids, duramycin is the smallest known polypeptide that has a defined 3-dimensional binding structure. Duramycin binds phosphatidylethanolamine (PtdE) at a 1:1 ratio with high affinity and exclusive specificity. As an abundant binding target, PtdE is a
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