Crystal structure of the K102E mutant of KijD10, a 3-ketoreductase from Actinomadura kijaniata in complex with TDP-benzene and NADP

NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE
2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE

Combined Structural and Functional Investigation of a C-3''-Ketoreductase Involved in the Biosynthesis of dTDP-l-Digitoxose.

MGSSHHHHHHENLYFQGHMENPANANPIRVGVIGCADIAWRRALPALEAEPLTEVTAIASRRWDRAKRFTERFGGEPVEG
YPALLERDDVDAVYVPLPAVLHAEWIDRALRAGKHVLAEEPLTTDRPQAERLFAVARERGLLLMENFMFLHHPQHRQVAD
MLDEGVIGEIRSFAASFTIPPKPQGDIRYQADVGGGALLDIGVYPIRAAGLFLGADLEFVGAVLRHERDRDVVVGGNALL
TTRQGVTAQLTFGMEHAYTNNYEFRGSTGRLWMNRVFTPPATYQPVVHIERQDHAEQFVLPAHDQFAKSIRAFAQAVLSG
EHPREWSEDSLRQASLVDAVRTGARDIYFP

1.2 M sodium/potassium phosphate, 100 mM HEPPS, 5 mM TDP-benzene, 5 mM NADP, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K

same protein, ternary complex with TDP-benzene and NADP; closed conformation

same protein, ternary complex with TDP-benzene and NADP; open conformation

same protein, Y186F mutant with TDP-benzene and NADP

same protein, K102A mutant with TDP-benzene and NADP

model generated using binary complex, PDB entry 3RBV

sugar biosynthesis, ketoreductase, TDP binding, NADP binding, SUGAR BINDING PROTEIN

MENPANANPIRVGVIGCADIAWRRALPALEAEPLTEVTAIASRRWDRAKRFTERFGGEPVEGYPALLERDDVDAVYVPLP
AVLHAEWIDRALRAGKHVLAEKPLTTDRPQAERLFAVARERGLLLMENFMFLHHPQHRQVADMLDEGVIGEIRSFAASFT
IPPKPQGDIRYQADVGGGALLDIGVYPIRAAGLFLGADLEFVGAVLRHERDRDVVVGGNALLTTRQGVTAQLTFGMEHAY
TNNYEFRGSTGRLWMNRVFTPPATYQPVVHIERQDHAEQFVLPAHDQFAKSIRAFAQAVLSGEHPREWSEDSLRQASLVD
AVRTGARDIYFP