Grammostola mechanotoxin #4 (GsMTx-4, GsMTx4, GsMTx-IV), also known as M-theraphotoxin-Gr1a (M-TRTX-Gr1a), is a neurotoxin isolated from the venom of the spider Chilean rose tarantula Grammostola spatulate (or Grammostola rosea). This amphiphilic peptide, which consists of 35 amino acids, belongs to the inhibitory cysteine knot (ICK) peptide family. It reduces mechanical sensation by inhibiting mechanosensitive channels (MSCs). GsMTx-4 also serves as a cationic antimicrobial peptide against Gram-positive bacteria.
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| - Grammostola mechanotoxin #4 (GsMTx-4, GsMTx4, GsMTx-IV), also known as M-theraphotoxin-Gr1a (M-TRTX-Gr1a), is a neurotoxin isolated from the venom of the spider Chilean rose tarantula Grammostola spatulate (or Grammostola rosea). This amphiphilic peptide, which consists of 35 amino acids, belongs to the inhibitory cysteine knot (ICK) peptide family. It reduces mechanical sensation by inhibiting mechanosensitive channels (MSCs). GsMTx-4 also serves as a cationic antimicrobial peptide against Gram-positive bacteria. (en)
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| - GsMTx-4 (en)
- M-theraphotoxin-Gr1a (en)
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| - glycyl-cysteinyl-leucyl-alpha-glutamyl-phenylalanyl-tryptophyl-tryptophyl-lysyl-cysteinyl-asparagyl-prolyl-asparagyl-alpha-aspartyl-alpha-aspartyl-lysyl-cysteinyl-cysteinyl-arginyl-prolyl-lysyl-leucyl-lysyl-cysteinyl-seryl-lysyl-leucyl-phenylalanyl-lysyl-leucyl-cysteinyl-asparagyl-phenylalanyl-seryl-phenylalaninamide ,,-tris (en)
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| - (en)
- M-TRTx-Gr1a (en)
- M-theraphotoxin-Gr1a (en)
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| - Grammostola mechanotoxin #4 (GsMTx-4, GsMTx4, GsMTx-IV), also known as M-theraphotoxin-Gr1a (M-TRTX-Gr1a), is a neurotoxin isolated from the venom of the spider Chilean rose tarantula Grammostola spatulate (or Grammostola rosea). This amphiphilic peptide, which consists of 35 amino acids, belongs to the inhibitory cysteine knot (ICK) peptide family. It reduces mechanical sensation by inhibiting mechanosensitive channels (MSCs). GsMTx-4 also serves as a cationic antimicrobial peptide against Gram-positive bacteria. (en)
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| - (en)
- M-TRTx-Gr1a (en)
- M-theraphotoxin-Gr1a (en)
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IUPAC name
| - glycyl-cysteinyl-leucyl-alpha-glutamyl-phenylalanyl-tryptophyl-tryptophyl-lysyl-cysteinyl-asparagyl-prolyl-asparagyl-alpha-aspartyl-alpha-aspartyl-lysyl-cysteinyl-cysteinyl-arginyl-prolyl-lysyl-leucyl-lysyl-cysteinyl-seryl-lysyl-leucyl-phenylalanyl-lysyl-leucyl-cysteinyl-asparagyl-phenylalanyl-seryl-phenylalaninamide (2->17),(9->23),(16->30)-tris(disulfide) (en)
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