Crystal structure of Fus3 without a peptide from Ste5

The Ste5 scaffold allosterically modulates signaling output of the yeast mating pathway

MPKRIVYNISSDFQLKSLLGEGAYGVVCSATHKPTGEIVAIKKIEPFDKPLFALRTLREIKILKHFKHENIITIFNIQRP
DSFENFNEVYIIQELMQTDLHRVISTQMLSDDHIQYFIYQTLRAVKVLHGSNVIHRDLKPSNLLINSNCDLKVCDFGLAR
IIDESAADNSEPTGQQSGMVEFVATRWYRAPEVMLTSAKYSRAMDVWSCGCILAELFLRRPIFPGRDYRHQLLLIFGIIG
TPHSDNDLRCIESPRAREYIKSLPMYPAAPLEKMFPRVNPKGIDLLQRMLVFDPAKRITAKEALEHPYLQTYHDPNDEPE
GEPIPPSFFEFDHYKEALTTKDLKKLIWNEIFS

18% PEG3350, 0.1M MES, 10% MPD, 0.2M KSCN, pH 6.1, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal structure of Fus3 in complex with a peptide from Ste5

Crystal structure of Fus3 phosphorylated on Tyr182

The assymetric unit contains two biological units. The structure is a homodimer of MAP kinase Fus3.

MPKRIVYNISSDFQLKSLLGEGAYGVVCSATHKPTGEIVAIKKIEPFDKPLFALRTLREIKILKHFKHENIITIFNIQRP
DSFENFNEVYIIQELMQTDLHRVISTQMLSDDHIQYFIYQTLRAVKVLHGSNVIHRDLKPSNLLINSNCDLKVCDFGLAR
IIDESAADNSEPTGQQSGMTEYVATRWYRAPEVMLTSAKYSRAMDVWSCGCILAELFLRRPIFPGRDYRHQLLLIFGIIG
TPHSDNDLRCIESPRAREYIKSLPMYPAAPLEKMFPRVNPKGIDLLQRMLVFDPAKRITAKEALEHPYLQTYHDPNDEPE
GEPIPPSFFEFDHYKEALTTKDLKKLIWNEIFS