HHsearch alignment for GI: 255764471 and conserved domain: cd04166

>cd04166 CysN_ATPS CysN_ATPS subfamily. CysN, together with protein CysD, form the ATP sulfurylase (ATPS) complex in some bacteria and lower eukaryotes. ATPS catalyzes the production of ATP sulfurylase (APS) and pyrophosphate (PPi) from ATP and sulfate. CysD, which catalyzes ATP hydrolysis, is a member of the ATP pyrophosphatase (ATP PPase) family. CysN hydrolysis of GTP is required for CysD hydrolysis of ATP; however, CysN hydrolysis of GTP is not dependent on CysD hydrolysis of ATP. CysN is an example of lateral gene transfer followed by acquisition of new function. In many organisms, an ATPS exists which is not GTP-dependent and shares no sequence or structural similarity to CysN.
Probab=99.67  E-value=7.7e-16  Score=125.68  Aligned_cols=142  Identities=25%  Similarity=0.332  Sum_probs=105.0

Q ss_pred             EEEEECCCCCCHHHHHHHHH---CCC----------E-----------EEECC------CCCCEEEEEEEEEEECCEEEE
Q ss_conf             89997189887888999985---885----------0-----------10258------985302238999998998999
Q gi|255764471|r    4 TIAIVGAPNVGKSTLFNRLV---KKK----------M-----------AVVGN------HPGITRDRLYGQAIINGVIFN   53 (470)
Q Consensus         4 ~iaivG~pNvGKStL~N~l~---~~~----------~-----------aiv~~------~~g~Trd~~~~~~~~~~~~~~   53 (470)
T Consensus         1 ~~vv~GHVD~GKSTL~g~LL~~~g~i~~~~~~~~~~~~~~~~~~~~~~a~~lD~~~~ErerGiTId~~~~~f~~~~~~~~   80 (208)
T cd04166           1 RFLTCGSVDDGKSTLIGRLLYDSKSIFEDQLAALESKSCGTGGEPLDLALLVDGLQAEREQGITIDVAYRYFSTPKRKFI   80 (208)
T ss_pred             CEEEEECCCCCHHHHHHHHHHHCCCCCHHHHHHHHHHHHHCCCCCHHHHHHCCCCHHHHHCCCCEEEEEEEEEECCCEEE
T ss_conf             96999748898889999999982996789999999887541676300034346868788269794105899981992699


Q ss_pred             EEECCCCCCCCHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCHHHHHHHHHHHCCCCC-CCCCHHHHCCCHHHHHHH-
Q ss_conf             996588420763689999999999999877989999759887762344555332102332-222056522301210012-
Q gi|255764471|r   54 IVDTAGIADGKNCSIAKQMNDQTELAINEAHLILFLIDSKAGITPYDHAITSFLRKKNIP-IIIVSNKMDTRIAQRNFY-  131 (470)
Q Consensus        54 liDT~G~~~~~~~~~~~~i~~~~~~ai~~aD~il~vvD~~~g~~~~D~~i~~~lr~~~~~-~ilv~NK~D~~~~~~~~~-  131 (470)
T Consensus        81 iiDtPGH-----~dfi~nmi~----gas~aD~ailVVda~~G~~~QT~eh~~~~~~lgi~~iIv~vNKmD~v~~~e~~f~  151 (208)
T cd04166          81 IADTPGH-----EQYTRNMVT----GASTADLAILLVDARKGVLEQTRRHSYILSLLGIRHVVVAVNKMDLVDYSEEVFE  151 (208)
T ss_pred             EEECCCC-----HHHHHHHHH----HHHHCCEEEEEEECCCCCCHHHHHHHHHHHHCCCCEEEEEEECCCCCCCCHHHHH
T ss_conf             9878962-----889999999----9863774799997588872789999999997499839999988576899989999


Q ss_pred             ----H---H-HHHCCCC--CEEEHHHCCCCCHH
Q ss_conf             ----4---5-5312222--01001110222014
Q gi|255764471|r  132 ----E---I-YSLDFKE--IVEISAEHDLGTSE  154 (470)
Q Consensus       132 ----e---~-~~lg~~~--~i~iSA~~g~Gi~~  154 (470)
T Consensus       152 ~i~~~~~~~l~~~~~~~~~~IPiSa~~GdNi~~  184 (208)
T cd04166         152 EIVADYLAFAAKLGIEDITFIPISALDGDNVVS  184 (208)
T ss_pred             HHHHHHHHHHHHCCCCCCEEEEEECCCCCCCCC
T ss_conf             999999999997499887199812677888786