Malacidin B

Malacidin B Uses, Dosage, Side Effects, Food Interaction and all others data.

Malacidin B, along with Malacidin A, is a member of a class of chemicals made by bacteria found in soil that can kill Gram-positive bacteria . Malacidins are 10-member macrocycle lipopeptides discovered via gene sequencing and bioinformatic analysis. While structurally similar to other macrocycle drugs like Daptomycin and Friulimicin B, Malacidin B appears to act via its own distinct mechanism.

Malacidin B disrupts bacterial cell wall synthesis likely leading to cell death in Gram-positive bacteria . This bactericidal effect reduces the number of live bacteria present during infection. Malacidin B has exhibited broad spectrum activity against Gram-positive bacteria including several multi-drug resistant pathogens.

Table Of contents

• Malacidin B
• Uses
• Dosage
• Side Effect
• Precautions
• Interactions
• Uses during Pregnancy
• Uses during Breastfeeding
• Accute Overdose
• Food Interaction
• Half Life
• Volume of Distribution
• Clearance
• Interaction With other Medicine
• Contradiction
• Storage

Trade Name	Malacidin B
Generic	Malacidin B
Type
Formula	C57H90N12O20
Weight	Average: 1263.411 Monoisotopic: 1262.639433346
Groups	Experimental
Therapeutic Class
Manufacturer
Available Country
Last Updated:	September 19, 2023 at 7:00 am

Uses

Malacidin B is being investigated for its antibiotic action and has potential for use as an antibacterial agent in the future .

How Malacidin B works

Malacidin B appears to bind Lipid II via a calcium dependent mechanism despite the absence of the typical Asp-X-Asp-Gly motif associate with calcium binding. The structure of Malacidin B includes a 3-hydroxy-aspartate residue while the "X" variable spacer residue is absent. It is unknown how these unique structural features may impact the drug's mechanism of action. The binding of Malacidin B to Lipid II prevents the incorporation of the subunit into the cell wall, disrupting synthesis and likely resulting in death of the bacterial cell. Malacidin B does not appear to form pores nor does it seem to integrate into the cell wall. While this mechanism is similar to that of Vancomycin, Malacidin B retains its activity against Vancomycin-resistant pathogens. Unlike other antibiotic agents, Malacidin B also retains its activity in the presence of pulmonary surfactants.

Toxicity

Malacidin B has no observed toxicity or haemolytic effect on mammalian cells at concentrations of up to 100-250 μg/mL, over 100 times the MIC for affected pathogens .

Innovators Monograph

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