HHsearch alignment for GI: 254780307 and conserved domain: cd01488

>cd01488 Uba3_RUB Ubiquitin activating enzyme (E1) subunit UBA3. UBA3 is part of the heterodimeric activating enzyme (E1), specific for the Rub family of ubiquitin-like proteins (Ubls). E1 enzymes are part of a conjugation cascade to attach Ub or Ubls, covalently to substrate proteins. consisting of activating (E1), conjugating (E2), and/or ligating (E3) enzymes. E1 activates ubiquitin(-like) by C-terminal adenylation, and subsequently forms a highly reactive thioester bond between its catalytic cysteine and Ubls C-terminus. E1 also associates with E2 and promotes ubiquitin transfer to the E2's catalytic cysteine. Post-translational modification by Rub family of ubiquitin-like proteins (Ublps) activates SCF ubiquitin ligases and is involved in cell cycle control, signaling and embryogenesis. UBA3 contains both the nucleotide-binding motif involved in adenylation and the catalytic cysteine involved in the thioester intermediate and Ublp transfer to E2.
Probab=94.57  E-value=0.19  Score=28.08  Aligned_cols=107  Identities=19%  Similarity=0.289  Sum_probs=63.1

Q ss_pred             EEEEECCCCHHHHHHHHHHHHCCCCEEEEEEE-------------ECCCCCCEEEE--------CCCCEE-------EEE
Q ss_conf             79998166778999999997449980789999-------------74765875600--------278158-------998
Q gi|254780307|r    4 KVAVVGATGNVGREMLNIICERGFPISEVVAL-------------ASERSAGTKVP--------FGKETI-------DVQ   55 (335)
Q Consensus         4 kvaIiGatG~vG~el~~lL~~~~~p~~~l~~~-------------~s~~~~G~~i~--------~~~~~~-------~~~   55 (335)
T Consensus         1 kvlvvG~-GglG~e~~k~la~~Gvg~i~ivD~d~i~~sNL~rQflf~~~dvG~~Ka~~a~~~i~~~np~v~v~~~~~~i~   79 (291)
T cd01488           1 KILVIGA-GGLGCELLKNLALSGFRNIHVIDMDTIDVSNLNRQFLFREKDIGKPKAEVAAKFVNDRVPGVNVTPHFGKIQ   79 (291)
T ss_pred             CEEEECC-CHHHHHHHHHHHHCCCCEEEEECCCEECCCCCCCCCCCCHHHCCCCHHHHHHHHHHHHCCCCEEEEEECCHH
T ss_conf             9899928-888999999999848985999739934413565674676553687899999999998789978998505310


Q ss_pred             ECCHHHHCCCCEEEECCCHHHHHHHHHHH-C--------CCCEEEEECCCCHHCCCCCCCCCCCHH
Q ss_conf             77943631884786068758999999750-4--------565179961451001121112364101
Q gi|254780307|r   56 DVKSYDFSDTDICLMSAGHAVSSQMSPKI-A--------ANGCIVIDNSSAWRYDSDVPLIVPEVN  112 (335)
Q Consensus        56 ~~~~~~~~~~Divf~a~p~~~s~~~~~~~-~--------~~g~~VIDlS~~~R~~~d~p~~lPein  112 (335)
T Consensus        80 ~~~~~f~~~fdvVi~~lDn~~aR~~vN~~~v~~~~~~~~~~~~PlidgG-t~G~~Gq~~vi~p~~t  144 (291)
T cd01488          80 DKDEEFYRQFNIIICGLDSIEARRWINGTLVSLLLYEDPESIIPLIDGG-TEGFKGHARVILPGIT  144 (291)
T ss_pred             HCCHHHHHHCCEEEECCCCHHHHHHHHHHHHHHHCCCCCCCCCCEEECC-CCCCCEEEEEEECCCC
T ss_conf             0789899519999988789999999999998743135544577468602-5665304999818996