Crystal structure of an engineered sitagliptin-producing transaminase, ATA-117-Rd11

A new target region for changing the substrate specificity of amine transaminases.

MAFSADTPEIVYTHDTGLDYITYSDYELDPANPLAGGAAWIEGAFVPPSEARISIFDQGFYTSDATYTTFHVWNGNAFRL
GDHIERLFSNAESIRLIPPLTQDEVKEIALELVAKTELREAMVTVTITRGYSSTPFERDITKHRPQVYMSA(CSO)PYQW
IVPFDRIRDGVHLMVAQSVRRTPRSSIDPQVKNFQWGDLIRAIQETHDRGFELPLLLDCDNLLAEGPGFNVVVIKDGVVR
SPGRAALPGITRKTVLEIAESLGHEAILADITPAELYDADEVLGCSTGGGVWPFVSVDGNSISDGVPGPVTQSIIRRYWE
LNVEPSSLLTPVQY

MAFSADTPEIVYTHDTGLDYITYSDYELDPANPLAGGAAWIEGAFVPPSEARISIFDQGFYTSDATYTTFHVWNGNAFRL
GDHIERLFSNAESIRLIPPLTQDEVKEIALELVAKTELREAMVTVTITRGYSSTPFERDITKHRPQVYMSACPYQWIVPF
DRIRDGVHLMVAQSVRRTPRSSIDPQVKNFQWGDLIRAIQETHDRGFELPLLLDCDNLLAEGPGFNVVVIKDGVVRSPGR
AALPGITRKTVLEIAESLGHEAILADITPAELYDADEVLGCSTGGGVWPFVSVDGNSISDGVPGPVTQSIIRRYWELNVE
PSSLLTPVQY

0.2M magnesium chloride, 0.1M Tris-HCl, 18% PEG 3350, pH 8.3, VAPOR DIFFUSION, SITTING DROP, temperature 293K

HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
transaminase, amine-pyruvate aminotransferase, PYRIDOXAL-5'-PHOSPHATE, Multi-domain protein (alpha and beta), Fold class IV PLP-dependent enzyme, TRANSFERASE

MAFSADTSEIVYTHDTGLDYITYSDYELDPANPLAGGAAWIEGAFVPPSEARISIFDQGYLHSDVTYTVFHVWNGNAFRL
DDHIERLFSNAESMRIIPPLTQDEVKEIALELVAKTELREAFVSVSITRGYSSTPGERDITKHRPQVYMYAVPYQWIVPF
DRIRDGVHAMVAQSVRRTPRSSIDPQVKNFQWGDLIRAVQETHDRGFEAPLLLDGDGLLAEGSGFNVVVIKDGVVRSPGR
AALPGITRKTVLEIAESLGHEAILADITLAELLDADEVLGCTTAGGVWPFVSVDGNPISDGVPGPITQSIIRRYWELNVE
SSSLLTPVQY