>cd00757 ThiF_MoeB_HesA_family ThiF_MoeB_HesA. Family of E1-like enzymes involved in molybdopterin and thiamine biosynthesis family. The common reaction mechanism catalyzed by MoeB and ThiF, like other E1 enzymes, begins with a nucleophilic attack of the C-terminal carboxylate of MoaD and ThiS, respectively, on the alpha-phosphate of an ATP molecule bound at the active site of the activating enzymes, leading to the formation of a high-energy acyladenylate intermediate and subsequently to the formation of a thiocarboxylate at the C termini of MoaD and ThiS. MoeB, as the MPT synthase (MoaE/MoaD complex) sulfurase, is involved in the biosynthesis of the molybdenum cofactor, a derivative of the tricyclic pterin, molybdopterin (MPT). ThiF catalyzes the adenylation of ThiS, as part of the biosynthesis pathway of thiamin pyrophosphate (vitamin B1).

Probab=98.54 E-value=1.5e-06 Score=63.04 Aligned_cols=104 Identities=16% Similarity=0.322 Sum_probs=75.8 Q ss_pred CCEEEEECCCHHHHHHHHHHHHCCCCCCEEEEEECCH-------------------HHHHHHHHHHHHHCCCCCCCCCEE Q ss_conf 7319998498779999999996089872599963999-------------------999999987343024555557308 Q gi|254780742|r 2 KKNVLIIGAGGVAHVVAHKCAQNNDILGDINIASRTL-------------------QKCSKIIDSIYKKKSLKIDGKLAI 62 (419) Q Consensus 2 ~k~ilv~GaG~vG~~~~~~L~~~~~~~~~i~va~r~~-------------------~~~~~~~~~l~~~~~~~~~~~~~~ 62 (419) T Consensus 21 ~s~VlivG~GGlGs~~~~~La~~G-v-g~i~lvD~D~ve~sNLnRQ~l~~~~diG~~K~~~a~~~l~~iNp~---i~i~~ 95 (228) T cd00757 21 NARVLVVGAGGLGSPAAEYLAAAG-V-GKLGLVDDDVVELSNLQRQILHTEADVGQPKAEAAAERLRAINPD---VEIEA 95 (228) T ss_pred CCCEEEECCCHHHHHHHHHHHHCC-C-CEEEEEECCCCCCCCCHHHHEECHHHCCCCHHHHHHHHHHHHCCC---CCCEE T ss_conf 497899887788999999999839-9-758999787455676422102378668789599999999854887---53031 Q ss_pred EEECCCCHHHHHHHHHHCCCCEEEECCCCCC-CHHHHHHHHHCCCCEEEECC Q ss_conf 9943789899999997539729997376100-32789999862886896036 Q gi|254780742|r 63 HQVDALNIKAVVELIKKTNSQIIINVGSSFL-NMSVLRACIDSNVAYIDTAI 113 (419) Q Consensus 63 ~~~D~~d~~~l~~~~~~~~~dvVin~~~p~~-~~~v~~a~i~~g~hyvD~s~ 113 (419) T Consensus 96 ~~~~i-~~~~~~~~~~--~~DlVid~~Dn~~~R~~ln~~~~~~~iP~i~g~~ 144 (228) T cd00757 96 YNERL-DAENAEELIA--GYDLVLDCTDNFATRYLINDACVKLGKPLVSGAV 144 (228) T ss_pred HHHCC-CHHHHHHHHH--CCCEEEECCCCHHHHHHHHHHHHHCCCCEEEEEE T ss_conf 32100-5756998873--7989998779988999999999983998899974

HHsearch alignment for GI: 254780742 and conserved domain: cd00757