1MKU:
reference: Phospholipase A2 engineering. Structural and functional roles of the highly conserved active site residue aspartate-99., Sekar K, Yu BZ, Rogers J, Lutton J, Liu X, Chen X, Tsai MD, Jain MK, Sundaralingam M, Biochemistry 1997 Mar 18;36(11):3104-14. PMID: 9115986

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