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ProTx-I

CAT: 0804-HY-P1073Size: 1 EachDry Ice: NoHazardous: No
CAT#: HY-P1073Size: 1 Each
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
ProTx-I, a venom toxin of the tarantula Thrixopelma pruriens, is a potent, selective CaV3.1 channel blocker with IC50 values of 0.2 μM and 31.8 μM for hCaV3.1 and hCaV3.2 respectively. ProTx-I is also a potent blocker for voltage-gated Na+ channels and inhibits KV 2.1 channels[1][2].
CAS Number
[484598-35-8]
UNSPSC
12352209
Target
Calcium Channel; Potassium Channel; Sodium Channel
Type
Peptides
Related Pathways
Membrane Transporter/Ion Channel; Neuronal Signaling
Applications
Cancer-programmed cell death
Field of Research
Cancer
Assay Protocol
https://www.medchemexpress.com/protx-i.html
Solubility
10 mM in DMSO
Smiles
O=C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCCCN)C(N[C@@H](CC1=CNC=N1)C(N[C@@H](CC(C)C)C(N[C@H]2C(C)C)=O)=O)=O)=O)NC3=O)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC4=CC=C(C=C4)O)C(N[C@@H](CC5=CNC6=CC=CC=C56)C(N[C@@H](CC(C)C)C(NCC(NCC(N[C@@H](CSSC[C@@H](C(N[C@@H](CO)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC7=CNC=N7)C(NCC(N[C@H]8CC9=CNC%10=CC=CC=C9%10)=O)=O)=O)=O)=O)=O)NC2=O)C(N[C@@H](CO)C(N[C@@H](C)C(NCC(N[C@@H](CCC(N)=O)C(N[C@@H]([C@H](O)C)C(N[C@H]3CSSC[C@@H](C(N[C@@H](C(C)C)C(N[C@@H](CC%11=CNC%12=CC=CC=C%11%12)C(N[C@@H](CC(O)=O)C(NCC(N[C@@H]([C@H](O)C)C(N[C@@H](CC%13=CC=CC=C%13)C(N[C@@H](CO)C(O)=O)=O)=O)=O)=O)=O)=O)=O)NC8=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CCC(O)=O)N
Molecular Formula
C171H245N53O47S6
Molecular Weight
3987.49
References & Citations
[1]Tsuyako Ohkubo, et al. Tarantula toxin ProTx-I differentiates between human T-type voltage-gated Ca2+ Channels Cav3.1 and Cav3.2. J Pharmacol Sci. 2010;112 (4) :452-8.|[2]Richard E Middleton, et al. Two tarantula peptides inhibit activation of multiple sodium channels. Biochemistry. 2002 Dec 17;41 (50) :14734-47.
Shipping Conditions
Room temperature
Scientific Category
Peptides
Clinical Information
No Development Reported
Isoform
T-type calcium channel

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