HHsearch alignment for GI: 254780716 and conserved domain: cd00755

>cd00755 YgdL_like Family of activating enzymes (E1) of ubiquitin-like proteins related to the E.coli hypothetical protein ygdL. The common reaction mechanism catalyzed by E1-like enzymes begins with a nucleophilic attack of the C-terminal carboxylate of the ubiquitin-like substrate, 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 the substrate. The exact function of this family is unknown.
Probab=95.83  E-value=0.12  Score=31.75  Aligned_cols=136  Identities=16%  Similarity=0.193  Sum_probs=77.6

Q ss_pred             CCCEEEEEECCHHHHHHHHHHHHCCC-EEEEEECCHHHHHHHHHHCCCCCCC--CEECCCHHHHHHHCCCCCEEEEECCC
Q ss_conf             98805698157111688999997898-5999739989999999712211278--40328989998605778899997699
Q gi|254780716|r    2 KQADIGIIGLGSMGSNLSLNILDKGF-RLAVYNKDFELTDVFIKKISGLSQK--VIVTKNLEQMVEAVCKPRKILMMVTD   78 (475)
Q Consensus         2 ~k~~IGiIGLG~MG~~mA~nL~~~G~-~V~vydr~~~~~~~l~~~~~~~~~~--~~~~~s~~e~v~~l~~pr~Iil~vp~   78 (475)
T Consensus        10 ~~s~V~v~G~GGvGs~~a~~LarsGVG~l~lvD~D~v~~SNLnRQ~~a~~~~iG~~K~~~~~~rl~~iN-P~~~v~~~~~   88 (231)
T cd00755          10 RNAHVAVVGLGGVGSWAAEALARSGVGKLTLIDFDVVCVSNLNRQIHALLSTVGKPKVEVMAERIRDIN-PECEVDAVEE   88 (231)
T ss_pred             HCCCEEEECCCHHHHHHHHHHHHCCCCEEEEEECCEECCCCHHHHHCCCHHHCCCCCHHHHHHHHHHHC-CCCEEEEEHH
T ss_conf             549789988863689999999980997599971999045444433016563369972899999999879-9988998625


Q ss_pred             HHHHHHHHHHHHHCCCCCCEEEECCCCCHHHHHHHHHHHHHCCCCEECCCCCCCCCCCCCCC-EEEEEC
Q ss_conf             06999999999720789989996798657899999999984799430675467600035684-378845
Q gi|254780716|r   79 GDPVDQLIDKLKPLLSPEDILLDGGNSHFCDTQIRSLQLSEKGIYFIGIGVSGGVKGARSGA-SLMVGG  146 (475)
Q Consensus        79 g~~v~~vi~~l~~~l~~g~iiID~sts~~~~t~~~~~~l~~kgi~fid~pVSGG~~gA~~G~-slMvGG  146 (475)
T Consensus        89 -~~~~~n~~~ll~--~~~D~VvDaiD~-~~~K~~l~~~c~~~~iplIss~Gag~k----~DPt~i~v~D  149 (231)
T cd00755          89 -FLTPDNSEDLLG--GDPDFVVDAIDS-IRAKVALIAYCRKRKIPVISSMGAGGK----LDPTRIRVAD  149 (231)
T ss_pred             -HCCHHHHHHHHC--CCCCEEEECCCC-HHHHHHHHHHHHHCCCEEEEECCCCCC----CCCCEEEEEE
T ss_conf             -159989999845--477778534424-877999999999829908998673467----5775389863