PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 12558995-4 2003 The patch-clamp recording found that martentoxin at the applied dose of 100 nm could strongly block large-conductance Ca2+-activated K+ (BKCa) currents in adrenal medulla chromaffin cells, and BKCa currents blocked by martentoxin could be fully recovered within 30 seconds after washing, which is at least 10 times faster than recovery after charybdotoxin. Charybdotoxin 342-355 potassium calcium-activated channel subfamily M alpha 1 Rattus norvegicus 193-197