. Author manuscript; available in PMC: 2007 Mar 7.

Published in final edited form as: Biochemistry. 2006 Sep 12;45(36):10815–10827. doi: 10.1021/bi060782u

Table 3.

Active Site Interatomic Distances^a

	His⁷³ND1	Glu³⁷OE1	Glu³⁷OE2	Asp⁷⁰OD1	Glu¹⁵⁶OE1	Cys¹⁰¹SG
Metal A	2.16 (2.08–2.27)	2.18 (2.10–2.23)	2.38 (2.32–2.45)	2.21 (2.15–2.24)	2.07 (2.01–2.13)	8.63 (8.35–8.77)

	His¹⁵⁹ND1	Glu¹²⁴OE1	Glu¹²⁴OE2	Asp⁷⁰OD2	Glu¹⁵⁶OE2	Cys¹²⁶SG
Metal B	2.51 (2.43–2.54)	2.27 (2.23–2.32)	2.54 (2.49–2.60)	2.55 (2.47–2.61)	2.32 (2.21–2.49)	10.29 (10.19–10.40)

	Metal A	Metal B	Cys¹⁰¹SG	Cys¹²⁶SG
Water W1	3.46 (3.34–3.63)	2.44 (2.32–2.55)	6.49 (6.40–6.64)	8.22 (8.13–8.34)
Water W2	3.76 (3.37–3.94)	4.93 (4.68–5.13)	5.05 (4.72–5.40)	7.26 (6.93–7.63)

The average distance (Å) is reported for all eight subunits in the asymmetric unit, with ranges in parentheses.