1E97:
reference: Pseudoreversion of the catalytic activity of Y14F by the additional substitution(s) of tyrosine with phenylalanine in the hydrogen bond network of delta 5-3-ketosteroid isomerase from Pseudomonas putida biotype B., Choi G, Ha NC, Kim MS, Hong BH, Oh BH, Choi KY, Biochemistry 2001 Jun 12;40(23):6828-35. PMID: 11389596

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