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. Author manuscript; available in PMC: 2010 Oct 28.
Published in final edited form as: J Am Chem Soc. 2009 Oct 28;131(42):15160–15169. doi: 10.1021/ja9034768

Table 2.

13C chemical shift of the retinal C12 carbon in wild-type rhodopsin and the E181Q mutant of rhodopsin and Meta II.

Compound Wild Type
(ppm)		 E181Q
Mutant
(ppm)
Rhodopsin 132.2 129.8
Meta II 137.9 137.4