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
UNSPSC Code:
51102829
NACRES:
NA.85
MDL number:
Product Name
Duramycin from Streptoverticillium cinnamoneus, ≥90.0%
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
Quality Level
Related Categories
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.
General description
Chemical structure: tetracycline
Other Notes
Keep container tightly closed in a dry and well-ventilated place.
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
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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
Jason H Stafford et al.
Neoplasia (New York, N.Y.), 13(4), 299-308 (2011-04-08)
We have previously shown that oxidative stress within the tumor microenvironment causes phosphatidylserine (PS) to redistribute from the inner to the outer membrane leaflet of the endothelial cells (EC) creating a highly specific marker for the tumor vasculature. Because the
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
K Sundquist
Bone and mineral, 20(1), 17-29 (1993-01-01)
Proton transport in microsomal vesicles derived from medullary bone of laying hens was observed to be inhibited in a dose-dependent manner with fusidic acid, 7-chloro-4-nitrobenz-2-oxa-1,3-diatzole (NBD-Cl), duramycin and dicyclohexylcarbodiimide (DCCD). The IC50 values were 570 microM, 4.5 microM, 10 micrograms/ml
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