HGNC ID Approved Symbol Approved Name Status Previous Symbols Synonyms Chromosome Accession Numbers RefSeq IDs Gene Family Tag Gene family description Gene family ID 6284 KCNMA1 potassium calcium-activated channel subfamily M alpha 1 Approved SLO KCa1.1, mSLO1 10q22.3 U11717 NM_002247 Potassium calcium-activated channels 255 6290 KCNN1 potassium calcium-activated channel subfamily N member 1 Approved KCa2.1, hSK1 19p13.11 U69883 NM_002248 Potassium calcium-activated channels 255 6291 KCNN2 potassium calcium-activated channel subfamily N member 2 Approved KCa2.2, hSK2 5q22.3 AF239613 NM_021614 Potassium calcium-activated channels 255 6292 KCNN3 potassium calcium-activated channel subfamily N member 3 Approved KCa2.3, hSK3, SKCA3 1q21.3 AF031815 NM_002249 Potassium calcium-activated channels 255 6293 KCNN4 potassium calcium-activated channel subfamily N member 4 Approved KCa3.1, hSK4, hKCa4, hIKCa1, IK 19q13.31 AF022797 NM_002250 Potassium calcium-activated channels 255 18867 KCNU1 potassium calcium-activated channel subfamily U member 1 Approved KCa5.1, Slo3, KCNMC1, Kcnma3 8p11.23 BC028701 NM_001031836 Potassium calcium-activated channels 255