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SPAI-1

SPAI-1 is a specific inhibitor for monovalent cation transporting ATPases. SPAI-1 is a peptide isolated from porcine duodenum, inhibits Na+, K+-ATPase and H+, K+-ATPase in vitro, stimulates Mg2+-ATPase[1][2].

Product Specifications

CAS Number

131359-77-8

UNSPSC

12352209

Target

Na+/K+ ATPase

Type

Peptides

Related Pathways

Membrane Transporter/Ion Channel

Applications

Neuroscience-Neuromodulation

Field of Research

Others

Assay Protocol

https://www.medchemexpress.com/spai-1.html

Solubility

10 mM in DMSO

Smiles

O=C(N[C@@H](CC(C)C)C(N[C@@H](CO)C(N[C@@H](CCCCN)C(N[C@@H](CCCNC(N)=N)C(NCC(N[C@@H](CC1=CNC=N1)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CCC(O)=O)C(NCC(N[C@H]2CC3=CC=CC=C3)=O)=O)=O)NC4=O)C(N5[C@@H](CCC5)C(N[C@@H](CCCNC(N)=N)C(N[C@@H]([C@@H](C)CC)C(N[C@@H](CC(C)C)C(N[C@@H](CC6=CC=CC=C6)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CSSC[C@@H]4NC7=O)C(N8[C@@H](CCC8)C(N[C@@H](CC(C)C)C(N[C@@H](CO)C(N[C@@H](CC(N)=O)C(N9[C@@H](CCC9)C(N[C@@H](CO)C(N[C@@H](CC(N)=O)C(N[C@@H](CCCCN)C(N[C@@H](CSSC[C@@H](C(NCC(N[C@@H](CCCCN)C(N[C@H]%10CC(O)=O)=O)=O)=O)NC2=O)C(N[C@@H](CC%11=CNC%12=CC=CC=C%11%12)C(N[C@@H](CCCNC(N)=N)C(N[C@@H](CC(O)=O)C(N[C@@H](CC%13=CC=C(C=C%13)O)C(N[C@@H](CC(O)=O)C(N[C@@H](CSSC[C@@H](C(N[C@@H](CC(C)C)C(N[C@@H](CC%14=CC=C(C=C%14)O)C(N%15[C@@H](CCC%15)C(N[C@@H](CCCCN)C(O)=O)=O)=O)=O)=O)NC%10=O)C(N%16[C@@H](CCC%16)C(NCC(N[C@@H](C(C)C)C(N[C@@H](CCCCN)C(N[C@H]7CCCCN)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)=O)[C@H](CC(C)C)N

Molecular Formula

C245H378N72O65S8

Molecular Weight

5628.57

References & Citations

[1]Araki K, et al. Novel peptide inhibitor (SPAI) of Na+, K+-ATPase from porcine intestine. Biochem Biophys Res Commun. 1989 Oct 16;164 (1) :496-502. |[2]Ishizuka N, et al. Na+, K (+) -ATPase inhibition by an endogenous peptide, SPAI-1, isolated from porcine duodenum. Biochim Biophys Acta. 1991 Nov 4;1069 (2) :259-66.

Shipping Conditions

Room temperature

Scientific Category

Peptides

Clinical Information

No Development Reported

Frequently Asked Questions

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