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The potassium channel gene HK1 maps to human chromosome 11p14.1, close to the FSHB gene

✍ Scribed by Manfred Gessler; Andrew Grape; Karl-Heinz Grzeschik; Olaf Pongs

Publisher: Springer
Year: 1992
Tongue: English
Weight: 313 KB
Volume: 90
Category: Article
ISSN: 0340-6717
DOI: 10.1007/bf00220091

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✦ Synopsis

Transiently activating (A-type) potassium (K) channels are important regulators of action potential and action potential firing frequencies. HK1 designates the first human cDNA that is highly homologous to the rat RCK4 cDNA that codes for an A-type K-channel. The HK1 channel is expressed in heart. By somatic cell hybrid analysis, the HK1 gene has been assigned to human chromosome 11p13-p14, the WAGR deletion region (Wilms tumor, aniridia, genito-urinary abnormalities and mental retardation). Subsequent pulsed field gel (PFG) analysis and comparison with the well-established PFG map of this region localized the gene to 11p14,200-600 kb telomeric to the FSHB gene.

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