HHsearch alignment for GI: 254780337 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=93.47  E-value=0.68  Score=26.10  Aligned_cols=161  Identities=19%  Similarity=0.158  Sum_probs=83.9

Q ss_pred             CCCCCEEEEECCCCHHHHHHHHHHHHCCC-EEEEEECCHHHHHHHHHHHHHCCCCEEEEECCCCCHHHHHHHHHHHHHHH
Q ss_conf             24889999938998688999999998899-89999789899999999998649928999878999999999999999981
Q gi|254780337|r   15 NLDNRLALVTGSSRGIGYYTALELARSGA-YVIACGRSISQLEKLKNALQKINKKIDIFAFDLRDSNALELTKTYIAKRW   93 (257)
Q Consensus        15 ~l~~K~alVTGas~GIG~a~a~~la~~G~-~Vi~~~r~~~~l~~~~~~~~~~g~~~~~~~~Dv~d~~~v~~~~~~~~~~~   93 (257)
T Consensus         8 kl~~s~V~v~G~G-GvGs~~a~~LarsGVG~l~lvD~D~v~~S-------NLnRQ~~a~~~~iG~~K-~~~~~~rl~~iN   78 (231)
T cd00755           8 KLRNAHVAVVGLG-GVGSWAAEALARSGVGKLTLIDFDVVCVS-------NLNRQIHALLSTVGKPK-VEVMAERIRDIN   78 (231)
T ss_pred             HHHCCCEEEECCC-HHHHHHHHHHHHCCCCEEEEEECCEECCC-------CHHHHHCCCHHHCCCCC-HHHHHHHHHHHC
T ss_conf             9854978998886-36899999999809975999719990454-------44433016563369972-899999999879


Q ss_pred             CCCCEEEECCCCCCCCCCHHHCCHHHHHHHHHH--HHHHHHHHHHHHHHHHHHCCCCEEEEECCHHHCCCCCCCHH-HHH
Q ss_conf             898799876875888888676599999999999--98999999999999998608986999788356478898368-898
Q gi|254780337|r   94 GKLDILIANAGILGSISPIWQIKEKSFADVISV--NVMANWNIMRSFDPWLKKSHCGRAIILSSGAAYKCRPLWGA-YSA  170 (257)
Q Consensus        94 g~iDilVNNAGi~~~~~~~~~~~~e~~~~~~~v--Nl~g~~~l~~~~~~~m~~~~~G~IInisS~~g~~~~~~~~~-Y~a  170 (257)
T Consensus        79 P~~~v~~~~~~~~--~~n~~~ll~~~~D~VvDaiD~~~~K~~l~~~c~~~------~iplIss~Gag~k~DPt~i~v~Dl  150 (231)
T cd00755          79 PECEVDAVEEFLT--PDNSEDLLGGDPDFVVDAIDSIRAKVALIAYCRKR------KIPVISSMGAGGKLDPTRIRVADI  150 (231)
T ss_pred             CCCEEEEEHHHCC--HHHHHHHHCCCCCEEEECCCCHHHHHHHHHHHHHC------CCEEEEECCCCCCCCCCEEEEEEH
T ss_conf             9988998625159--98999984547777853442487799999999982------990899867346757753898638


Q ss_pred             HHHHHHHHHHHHHHHHHHHCCE
Q ss_conf             9999999999999985443869
Q gi|254780337|r  171 SKAAIEALARTWSKETVNTALR  192 (257)
Q Consensus       171 sKaal~~lt~~la~E~~~~gIr  192 (257)
T Consensus       151 ~~T~~dpLa~~vR~~Lrk~~~~  172 (231)
T cd00755         151 SKTSGDPLARKVRKRLRKRGIF  172 (231)
T ss_pred             HHHCCCCHHHHHHHHHHHCCCC
T ss_conf             8505761699999999970686