Crystal structure of TS-DHFR from Cryptosporidium hominis in complex with NADPH, FdUMP and 2-(2-(4-((2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)methyl)benzamido)-4-cyanophenyl)acetic acid.

NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE

[2-({4-[(2-amino-4-oxo-4,7-dihydro-3H-pyrrolo[2,3-d]pyrimidin-5-yl)methyl]benzene-1-carbonyl}amino)-4-cyanophenyl]acetic acid

Structure activity relationship towards design of cryptosporidium specific thymidylate synthase inhibitors.

Bifunctional dihydrofolate reductase-thymidylate synthase

MSEKNVSIVVAASVLSSGIGINGQLPWSISEDLKFFSKITNNKCDSNKKNALIMGRKTWDSIGRRPLKNRIIVVISSSLP
QDEADPNVVVFRNLEDSIENLMNDDSIENIFVCGGESIYRDALKDNFVDRIYLTRVALEDIEFDTYFPEIPETFLPVYMS
QTFCTKNISYDFMIFEKQEKKTLQNCDPARGQLKSIDDTVDLLGEIFGIRKMGNRHKFPKEEIYNTPSIRFGREHYEFQY
LDLLSRVLENGAYRENRTGISTYSIFGQMMRFDMRESFPLLTTKKVAIRSIFEELIWFIKGDTNGNHLIEKKVYIWSGNG
SKEYLERIGLGHREENDLGPIYGFQWRHYNGEYKTMHDDYTGVGVDQLAKLIETLKNNPKDRRHILTAWNPSALSQMALP
PCHVLSQYYVTNDNCLSCNLYQRSCDLGLGSPFNIASYAILTMMLAQVCGYEPGELAIFIGDAHIYENHLTQLKEQLSRT
PRPFPQLKFKRKVENIEDFKWEDIELIGYYPYPTIKMDMAV

Well solution 20 % PEG 6000, 0.2 M ammonium sulfate, 0.06 M lithium sulfate, 0.1 M Tris Drop ratio 2:1 enzyme mix/well solution

National Institutes of Health/National Institute Of Allergy and Infectious Diseases (NIH/NIAID)

Inhibitor, TS, TS-DHFR, TRANSFERASE, transferase-transferase inhibitor complex