Crystal Structure of B-Raf Kinase Domain in Complex with a Dihydropyrido[2,3-d]pyrimidinone-based Inhibitor

The discovery of potent and selective pyridopyrimidin-7-one based inhibitors of B-Raf(V600E) kinase.

LONG BACKBONE C-N BOND LENGTH BETWEEN P490 AND T491 OF CHAIN B.

Proto-oncogene B-Raf, p94, v-Raf murine sarcoma viral oncogene homolog B1

MDRGSHHHHHHGSEDRNRMKTLGRRDSSDDWEIPDGQITVGQRIGSGSFGTVYKGKWHGDVAVKMLNVTAPTPQQLQAFK
NEVGVLRKTRHVNILLFMGYSTKPQLAIVTQWCEGSSLYHHLHIIETKFEMIKLIDIARQTAQGMDYLHAKSIIHRDLKS
NNIFLHEDLTVKIGDFGLATVKSRWSGSHQFEQLSGSILWMAPEVIRMQDKNPYSFQSDVYAFGIVLYELMTGQLPYSNI
NNRDQIIFMVGRGYLSPDLSKVRSNCPKAMKRLMAECLKKKRDERPLFPQILASIELLARSLPKIHR

PEG 8000, pH 9.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Kinase, Transferase-Transferase Inhibitor complex

SEDRNRMKTLGRRDSSDDWEIPDGQITVGQRIGSGSFGTVYKGKWHGDVAVKMLNVTAPTPQQLQAFKNEVGVLRKTRHV
NILLFMGYSTKPQLAIVTQWCEGSSLYHHLHIIETKFEMIKLIDIARQTAQGMDYLHAKSIIHRDLKSNNIFLHEDLTVK
IGDFGLATVKSRWSGSHQFEQLSGSILWMAPEVIRMQDKNPYSFQSDVYAFGIVLYELMTGQLPYSNINNRDQIIFMVGR
GYLSPDLSKVRSNCPKAMKRLMAECLKKKRDERPLFPQILASIELLARSLPKIHR