Fig. 3From: A novel homozygous missense variant p.D339N in the PKLR gene correlates with pyruvate kinase deficiency in a Pakistani family: a case reportThree dimensional (3D) modeling of the PKLR protein structure. a Wild PK tetramer with the ligand and b closer view of the phosphoenolpyruvate site in the complex. c showing the interactions of wild PK with phosphoenolpyruvate through Arg116, Glu316, and Asp339, and d mutant PK and phosphoenolpyruvate interactions through Arg216 and Glu347Back to article page