Antimicrobial peptide UyCT1
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Antimicrobial peptide UyCT1

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Antimicrobial peptide UyCT1 is an antimicrobial peptide found in venom, Urodacus yaschenkoi (Scorpion). It has antibacterial activity against S. aureus, P. aeruginosa, and E. coli (MIC 10-15 uM).

Category
Functional Peptides
Catalog number
BAT-013120
Molecular Formula
C78H114N20O17
Molecular Weight
1603.89
Synonyms
Gly-Phe-Trp-Gly-Lys-Leu-Trp-Glu-Gly-Val-Lys-Asn-Ala-Ile-NH2; Antimicrobial peptide CT1-NDBP-5.17 precursor; UyCT1
Purity
≥97%
Sequence
GFWGKLWEGVKNAI-NH2
Storage
Store at -20°C
1. Mini Review on Antimicrobial Peptides, Sources, Mechanism and Recent Applications
Jaspreet Kaur Boparai, Pushpender Kumar Sharma Protein Pept Lett. 2020;27(1):4-16. doi: 10.2174/0929866526666190822165812.
Antimicrobial peptides in recent years have gained increased interest among scientists, health professionals and the pharmaceutical companies owing to their therapeutic potential. These are low molecular weight proteins with broad range antimicrobial and immuno modulatory activities against infectious bacteria (Gram positive and Gram negative), viruses and fungi. Inability of micro-organisms to develop resistance against most of the antimicrobial peptide has made them as an efficient product which can greatly impact the new era of antimicrobials. In addition to this these peptides also demonstrates increased efficacy, high specificity, decreased drug interaction, low toxicity, biological diversity and direct attacking properties. Pharmaceutical industries are therefore conducting appropriate clinical trials to develop these peptides as potential therapeutic drugs. More than 60 peptide drugs have already reached the market and several hundreds of novel therapeutic peptides are in preclinical and clinical development. Rational designing can be used further to modify the chemical and physical properties of existing peptides. This mini review will discuss the sources, mechanism and recent therapeutic applications of antimicrobial peptides in treatment of infectious diseases.
2. Mechanisms of antimicrobial peptide action and resistance
Michael R Yeaman, Nannette Y Yount Pharmacol Rev. 2003 Mar;55(1):27-55. doi: 10.1124/pr.55.1.2.
Antimicrobial peptides have been isolated and characterized from tissues and organisms representing virtually every kingdom and phylum, ranging from prokaryotes to humans. Yet, recurrent structural and functional themes in mechanisms of action and resistance are observed among peptides of widely diverse source and composition. Biochemical distinctions among the peptides themselves, target versus host cells, and the microenvironments in which these counterparts convene, likely provide for varying degrees of selective toxicity among diverse antimicrobial peptide types. Moreover, many antimicrobial peptides employ sophisticated and dynamic mechanisms of action to effect rapid and potent activities consistent with their likely roles in antimicrobial host defense. In balance, successful microbial pathogens have evolved multifaceted and effective countermeasures to avoid exposure to and subvert mechanisms of antimicrobial peptides. A clearer recognition of these opposing themes will significantly advance our understanding of how antimicrobial peptides function in defense against infection. Furthermore, this understanding may provide new models and strategies for developing novel antimicrobial agents, that may also augment immunity, restore potency or amplify the mechanisms of conventional antibiotics, and minimize antimicrobial resistance mechanisms among pathogens. From these perspectives, the intention of this review is to illustrate the contemporary structural and functional themes among mechanisms of antimicrobial peptide action and resistance.
3. The Modification and Design of Antimicrobial Peptide
Yidan Gao, Hengtong Fang, Lu Fang, Dawei Liu, Jinsong Liu, Menghan Su, Zhi Fang, Wenzhi Ren, Huping Jiao Curr Pharm Des. 2018;24(8):904-910. doi: 10.2174/1381612824666180213130318.
The antimicrobial peptides (AMPs) are a group of unique naturally occurring anti-microbial compounds with around 50 amino acids. It represents promising therapeutic agents to the infectious disease without concerning about drug resistance. However, commercial development of these peptides for even the simplest application has been hindered by the limitations of sources, instability, toxicity and bioavailability. To improve the properties of the artificial synthesized AMPs, the modification and design are the hotspots of the AMPs research. In fact, more than half of the known AMPs are naturally modified. In this review, two types of modification strategies, biochemical modification and chemical modification were summarized. Although, the chemical modification is versatile and direct, the manufacturing cost is greatly increased compared to the antibiotics. With the recent progress of the protein modification enzyme, the biochemical modification of the antimicrobial peptide followed by heterologous expression has great application prospects.
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