4EFG: Crystal Structure Of The Q108k:K40l:T51v:T53c:Y19w:R58w:T29l Cellular Retinol Binding Protein Type II In Complex With Al Retinal At 1.58 Angstrom Resolution
reference: Tuning the electronic absorption of protein-embedded all-trans-retinal., Wang W, Nossoni Z, Berbasova T, Watson CT, Yapici I, Lee KS, Vasileiou C, Geiger JH, Borhan B, Science. 2012 Dec 7;338(6112):1340-3. doi: 10.1126/science.1226135. PMID: 23224553

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