@article{PAR00006540, title = {{S}tructure of the methyltransferase domain from the {M}odoc virus, a flavivirus with no known vector}, author = {{J}ansson, {A}. {M}. and {J}akobsson, {E}. and {J}ohansson, {P}. and {L}antez, {V}. and {C}outard, {B}. and de {L}amballerie, {X}avier and {U}nge, {T}. and {J}ones, {T}. {A}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {M}odoc virus ({MODV}) is a flavivirus with no known vector ({NKV}). {E}volutionary studies have shown that the viruses in the {MODV} group have evolved in association with mammals (bats, rodents) without transmission by an arthropod vector. {MODV} methyltransferase is the first enzyme from this evolutionary branch to be structurally characterized. {T}he high-resolution structure of the methyltransferase domain of the {MODV} {NS}5 protein ({MT}ase({MODV})) was determined. {T}he protein structure was solved in the apo form and in complex with its cofactor {S}-adenosyl-l-methionine ({SAM}). {A}lthough it belongs to a separate evolutionary branch, {MT}ase({MODV}) shares structural characteristics with flaviviral {MT}ases from the other branches. {I}ts capping machinery is a relatively new target in flaviviral drug development and the observed structural conservation between the three flaviviral branches indicates that it may be possible to identify a drug that targets a range of flaviviruses. {T}he structural conservation also supports the choice of {MODV} as a possible model for flavivirus studies.}, keywords = {}, booktitle = {}, journal = {{A}cta {C}rystallographica {S}ection {D}. {B}iological {C}rystallography}, volume = {65}, numero = {{P}art 8}, pages = {796--803}, ISSN = {0907-4449}, year = {2009}, DOI = {10.1107/s0907444909017260}, URL = {https://www.documentation.ird.fr/hor/{PAR}00006540}, }