. Author manuscript; available in PMC: 2009 Nov 19.

Published in final edited form as: J Am Chem Soc. 2008 Oct 28;130(46):15405–15419. doi: 10.1021/ja803575y

Table 1.

Examples of proteins that bind Na⁺ and K⁺ ions in states of over-coordination (higher than the coordination in water).

Ion	Biomolecule	PDB ID	# Ligands	r_ave (Å)
Na⁺	Neurotransmitter Transporter	2A65^a	5	2.3
	Dialkylglycine decarboxylase	2DKB^b	6	2.4
	Lysozyme	1V7T^c	6	2.4
	Neurotransmitter Transporter	2A65^a	6	2.4
	Thrombokinase	1BOK^d	6	2.5
K⁺	Chaperon Hsc70	1HPM^e	7	3.0
	Pyruvate Kinase	1A49^f	7	2.8
	Chaperon Hsc70	1HPM^e	8	2.9
	Potassium Channel	1K4C^g	8	2.8
	Nonactin	n.a.^h	8	2.8

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