1VJ3:
reference: Structural studies on bioactive compounds. 30. Crystal structure and molecular modeling studies on the Pneumocystis carinii dihydrofolate reductase cofactor complex with TAB, a highly selective antifolate., Cody V, Chan D, Galitsky N, Rak D, Luft JR, Pangborn W, Queener SF, Laughton CA, Stevens MF, Biochemistry. 2000 Apr 4;39(13):3556-64. PMID: 10736154

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