>cd02513 CMP-NeuAc_Synthase CMP-NeuAc_Synthase activates N-acetylneuraminic acid by adding CMP moiety. CMP-N-acetylneuraminic acid synthetase (CMP-NeuAc synthetase) or acylneuraminate cytidylyltransferase catalyzes the transfer the CMP moiety of CTP to the anomeric hydroxyl group of NeuAc in the presence of Mg++. It is the second to last step in the sialylation of the oligosaccharide component of glycoconjugates by providing the activated sugar-nucleotide cytidine 5'-monophosphate N-acetylneuraminic acid (CMP-Neu5Ac), the substrate for sialyltransferases. Eukaryotic CMP-NeuAc synthetases are predominantly located in the nucleus. The activated CMP-Neu5Ac diffuses from the nucleus into the cytoplasm.

Probab=98.37 E-value=3.4e-06 Score=58.00 Aligned_cols=204 Identities=18% Similarity=0.192 Sum_probs=103.8 Q ss_pred EEEEECCCCCCCCCHHHCCCCCCEEEECCEEHHHHHHHHHHHCC-CCEEEEECCCCCCCCHHHCCCCHHHHHHHHHCCCC Q ss_conf 89995688883343244088833356883627999999999789-98899981355444101001174544456541870 Q gi|254780365|r 9 KAVFPIAGLGMRFFPISKVIPKEMLAIVDRPVIQYVIEEALEAG-LTDFVFVTGRGKGLIKDYFDIQFELEQSLRKRNKK 87 (299) Q Consensus 9 KavIlAaG~GtRl~P~T~~~pKpllpi~~kpiI~~~i~~l~~~G-i~~i~iv~~~~k~~I~~~f~~~~~~~~~l~~~~~~ 87 (299) T Consensus 3 ~aiIpAR~gSkri~------~KN~~~i~gkpLi~~~i~~a~ks~~~d~IivSTDs--~~i~~~~----------~k~--- 61 (223) T cd02513 3 LAIIPARGGSKGIP------GKNIRPLGGKPLIAWTIEAALESKLFDRVVVSTDD--EEIAEVA----------RKY--- 61 (223) T ss_pred EEEECCCCCCCCCC------CHHHHHHCCCCHHHHHHHHHHHCCCCCEEEEECCH--HHHHHHH----------CCC--- T ss_conf 99986787787899------70044638959699999999966995507895587--8975421----------245--- Q ss_pred EEECCCCCCCCCCCEEEECCCCCC----CCCCCCCCCCCCCCC-----CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC Q ss_conf 000113441124857998433342----334665421101122-----33331112786444544332211222122343 Q gi|254780365|r 88 AELTLLAESIPSIGNAVFTWQYER----KGLGHAVWCARNIIG-----DNPFALLLPDMIMSPLEGENCMANMIKLYEKE 158 (299) Q Consensus 88 ~~~~~~~~~~~~~~~i~~v~Q~~p----~Gtg~Ai~~a~~~i~-----de~flv~~gD~i~~~~~~~~~l~~li~~~~~~ 158 (299) T Consensus 62 ------------~~~~~~~Rpk~ls~d~~~~~dvi~~~l~~~~~~~~~~d~iv~l~pTsP~r~~---~~I~~~i~~~~~~ 126 (223) T cd02513 62 ------------GAEVPFLRPAELATDTASSIDVILHALDQLEELGRDFDIVVLLQPTSPLRSA---EDIDEAIELLLSE 126 (223) T ss_pred ------------CCEEEECCCHHHCCCCCCCHHHHHHHHHHHHHHCCCCCEEEEECCCCCCCCH---HHHHHHHHHHHHC T ss_conf ------------6417973846876886780677778998899868998999996279762789---9999999999857 Q ss_pred CC-CEEEEEECCHHHCCCCCCEECCCCCCCCCCEEE-EECCCCCCCCCCCCE-EECHHHEECHHHHHHHCCCCCCCCCCC Q ss_conf 22-001124328544331331001333333530000-002577888673423-302020027233110001226667675 Q gi|254780365|r 159 GA-NILAVSECDPQLSCKYGMVQVGKAIDHQVFHIS-DMIEKPDSSTFISNF-FINGRYILHPDIFSILNDWKENEGKGE 235 (299) Q Consensus 159 ~~-~vi~~~~v~~~~~~~yGvi~~~~~~~~~~~~I~-~~vEKP~~~~~~Snl-~~~GiYi~~~~i~~~L~~~~~~~~~gE 235 (299) T Consensus 127 k~dsl~sv~~~~~~-~~~~~~~--~~---~~~~~~~~~~~~~~~rQ~~~~~y~~~g~~yi~~~~~~~--k~----~-~-- 191 (223) T cd02513 127 GADSVFSVTEFHRF-PWRALGL--DD---NGLEPVNYPEDKRTRRQDLPPAYHENGAIYIAKREALL--ES----N-S-- 191 (223) T ss_pred CCCEEEEEEECCCC-HHHHEEE--CC---CCCCCCCCCHHHCCCCCCCCEEEEECCEEEEEEHHHHH--HC----C-C-- T ss_conf 99999999854768-1885676--26---87021368611067644676047860489999999998--54----9-8-- Q ss_pred CCHHHHHHHHHHCCCEEEEEEEE-EEEECCCHHHHHHHH Q ss_conf 00378999998319848999813-786439988999999 Q gi|254780365|r 236 IQLTDSMRKLSERHDFLAYHFKG-HTYDCGSKKGFVLAN 273 (299) Q Consensus 236 ~~ltD~i~~l~~~~~v~a~~~~g-~w~DiG~~~~yl~A~ 273 (299) T Consensus 192 ~----------~~~k~~~~~~~~~~siDID~~~Dl~~Ae 220 (223) T cd02513 192 F----------FGGKTGPYEMPRERSIDIDTEEDFELAE 220 (223) T ss_pred C----------CCCCEEEEEECCCCEECCCCHHHHHHHH T ss_conf 0----------3897799994887168489999999999

HHsearch alignment for GI: 254780365 and conserved domain: cd02513