Cat. No. 0940
Alternative Name: 4-AP
Biological ActivityNon-selective voltage-dependent K+-channel blocker (IC50 values are 170 and 230 μM at KV1.1 and KV1.2 respectively). Caged 4-AP (Cat. No. 3557) is also available.
The technical data provided above is for guidance only.
For batch specific data refer to the Certificate of Analysis.
Certificate of Analysis / Safety Data Sheet
Bouchard and Fedida (1995) Closed and open state binding of 4-aminopyridine to the cloned human potassium channel Kv1.5. J.Pharmacol.Exp.Ther. 275 864. PMID: 7473178.
Tseng et al (1996) Reverse use dependence of Kv4.2 blockade by 4-aminopyridine. J.Pharmacol.Exp.Ther. 279 865. PMID: 8930194.
Tseng (1999) Different state dependencies of 4-aminopyridine binding to rKv1.4 and rKv4.2: role of the cytoplasmic halves of the fifth and sixth transmembrane segments. J.Pharmacol.Exp.Ther. 290 569. PMID: 10411564.
Smith et al (2009) In vitro electrophysiological activity of nerispirdine, a novel 4-aminopyridine derivative. Clin.Exp.Pharmacol.Physiol. 36 1104. PMID: 19413590.
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Keywords: 4-Aminopyridine, supplier, K+, channel, blocker, Potassium, Channels, voltage-gated, voltage-dependent, Kv, hERG, Human, Ether-A-Go-Go, Gene, KCNQ