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. 1998 Jan 1;111(1):139–160. doi: 10.1085/jgp.111.1.139

Table III.

Rundown for ROMK1 Compared with the BLM K+ Channel

Nucleotide Free Mg2+ ROMK1 rundown* BLM K+ rundown
0.2 mM ATP 1 mM Mg2+ No No
0.2 mM ATP-γS 1 mM Mg2+ ? Yes
ATP-free 1 mM Mg2+ Yes Yes
0.2 mM ATP Mg2+-free Yes Yes
ATP-free Mg2+-free No Yes
*

 As expressed in Xenopus oocytes; data from McNicholas et al. (1994).