1EEN:
reference: Structural basis of plasticity in protein tyrosine phosphatase 1B substrate recognition., Sarmiento M, Puius YA, Vetter SW, Keng YF, Wu L, Zhao Y, Lawrence DS, Almo SC, Zhang ZY, Biochemistry 2000 Jul 18;39(28):8171-9. PMID: 10889023

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