1TJW:
reference: Structural studies of duck delta2 crystallin mutants provide insight into the role of T161 and the 280's loop in catalysis., Sampaleanu LM, Codding PW, Lobsanov YD, Tsai M, Smith GD, Horvatin C, Howell PL, Biochem J 2004 Aug 23;Pt. PMID: 15320872

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