1A1U:
reference: Hydrophobic side-chain size is a determinant of the three-dimensional structure of the p53 oligomerization domain., McCoy M, Stavridi ES, Waterman JL, Wieczorek AM, Opella SJ, Halazonetis TD, EMBO J 1997 Oct 15;16(20):6230-6. PMID: 9321402

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