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    Biochemistry. 1991 May 14;30(19):4774-89.

    Proton and nitrogen sequential assignments and secondary structure determination of the human FK506 and rapamycin binding protein.

    Rosen MK, Michnick SW, Karplus M, Schreiber SL.

    Department of Chemistry, Harvard University, Cambridge, Massachusetts 02138.

    Sequential 1H and 15N assignments of human FKBP, a cytosolic binding protein for the immunosuppressive agents FK506 and rapamycin, are reported. A combination of homonuclear and relayed heteronuclear experiments has enabled assignment of 98 of 99 backbone amide NHs, 119 of 120 C alpha Hs, 97 of 99 non-proline amide 15Ns, and 375 of 412 side-chain resonances of this 107-residue protein. Long-range NOEs are used to demonstrate that FKBP has a novel folding topology consisting of a five-stranded antiparallel beta sheet with +3, +1, -3, +1 loop connectivity.

    PMID: 1709363 [PubMed - indexed for MEDLINE]

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    Patient drug information

    • Tacrolimus (Prograf®)

      Tacrolimus is used along with other medications to prevent rejection (attack of a transplanted organ by the immune system of a person receiving the organ) in people who have received kidney, liver, or heart transplants. ...

    • Sirolimus (Rapamune®)

      Sirolimus is used in combination with other medications to prevent rejection of kidney transplants. Sirolimus is in a class of medications called immunosuppressants. It works by suppressing the body's immune system.