Antimicrobial peptide scolopin-1
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Antimicrobial peptide scolopin-1

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Antimicrobial peptide scolopin-1 is an antimicrobial peptide produced by Scolopendra mutilans (Chinese red-headed centipede, Scolopendra subspinipes mutilans). It has antimicrobial activity against Gram-positive bacteria, Gram-negative bacteria and fungi.

Category
Functional Peptides
Catalog number
BAT-013086
Molecular Formula
C118H189N35O29S
Molecular Weight
2594.08
Synonyms
AMP-scolopin 1; Phe-Leu-Pro-Lys-Met-Ser-Thr-Lys-Leu-Arg-Val-Pro-Tyr-Arg-Arg-Gly-Thr-Lys-Asp-Tyr-His
Appearance
Lyophilized or Liquid
Purity
96%
Sequence
FLPKMSTKLRVPYRRGTKDYH
Storage
Store at -20°C
1. Construction and expression of an antimicrobial peptide scolopin 1 from the centipede venoms of Scolopendra subspinipes mutilans in Escherichia coli using SUMO fusion partner
Huanhuan Hou, Weili Yan, Kexing Du, Yangjing Ye, Qianqian Cao, Wenhua Ren Protein Expr Purif. 2013 Dec;92(2):230-4. doi: 10.1016/j.pep.2013.10.004. Epub 2013 Oct 18.
Antimicrobial peptide scolopin 1 (AMP-scolopin 1) is a small cationic peptide identified from centipede venoms of Scolopendra subspinipes mutilans. It has broad-spectrum activities against bacteria, fungi, and tumor cells, which may possibly be used as an antimicrobial agent. We first report here the application of small ubiquitin-related modifier (SUMO) fusion technology to the expression and purification of cationic antimicrobial peptide AMP-scolopin 1. The fusion protein expressed in a soluble form was purified to a purity of 95% by Ni-IDA chromatography. After the SUMO-scolopin 1 fusion protein was cleaved by the SUMO protease at 30°C for 1 h, the cleaved sample was reapplied to a Ni-IDA. The recombinant scolopin1 had similar antimicrobial properties to the synthetic scolopin 1. Thus, we successfully established a system for purifying peptide of centipede, which could be used for further research.
2. Two novel antimicrobial peptides from centipede venoms
Kanfu Peng, Yi Kong, Lei Zhai, Xiongfei Wu, Peng Jia, Jingze Liu, Haining Yu Toxicon. 2010 Feb-Mar;55(2-3):274-9. doi: 10.1016/j.toxicon.2009.07.040. Epub 2009 Aug 28.
Centipede venoms are complex mixtures of biochemically and pharmacologically active components such as peptides and proteins. Very few are known about their pharmacological actions. The present work reports the structural and functional characterization of two antimicrobial peptides (scolopin 1 and -2) identified from centipede venoms of Scolopendra subspinipes mutilans by Sephadex gel filtration and reverse-phase high-performance liquid chromatography (RP-HPLC). The amino acid sequences of scolopin 1 and -2 were FLPKMSTKLRVPYRRGTKDYH and GILKKFMLHRGTKVYKMRTLSKRSH determined by Edman degradation and matrix assisted laser desorption ionization time of flight mass spectrometry (MALDI-TOF MS). Both scolopin 1 and -2 showed strong antimicrobial activities against tested microorganisms including Gram-positive/negative bacteria and fungi. They also showed moderate hemolytic activity against both human and rabbit red cells. This is the first report of antimicrobial peptides from centipedes.
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