{
    "PMID": "10535923",
    "TI": "Purification of ribonucleotide reductase subunits Y1, Y2, Y3, and Y4 from yeast: Y4 plays a key role in diiron cluster assembly.",
    "JT": "Proceedings of the National Academy of Sciences of the United States of America",
    "BTI": "",
    "DP": "1999-10-26",
    "AU": "Nguyen H H, Ge J, Perlstein D L, Stubbe J"
}