. Author manuscript; available in PMC: 2012 Jan 3.

Published in final edited form as: Angew Chem Int Ed Engl. 2011 Jan 3;50(1):272–275. doi: 10.1002/anie.201005145

Table 1.

Assignment of observed IR bands

α-70	Lo-CO	Slow Hi-CO		Fast Hi-CO
variant	(cm⁻¹)	(cm⁻¹)		(cm⁻¹)
Val^[a]	1906	1936	1880	1960

Ile	1895	1936	1880	1957

Ala	1904	1936	1870	1955
Gly	1911	1946	1870	n/o^[b]

^[a]

Wild-type

^[b]

not observed or not resolved.