HHsearch alignment for GI: 254780290 and conserved domain: TIGR01139

>TIGR01139 cysK cysteine synthase A; InterPro: IPR005859 This model discriminates cysteine synthase A (CysK) and cysteine synthase B (CysM) from cystathionine beta-synthase, a protein found primarily in eukaryotes and carrying a C-terminal CBS domain lacking from this protein. Bacterial proteins lacking the CBS domain but otherwise showing resemblance to cystathionine beta-synthases and considerable phylogenetic distance from known cysteine synthases were excluded. Cysteine synthase (O-acetylserine (thiol)-lyase, 2.5.1.47 from EC) is the enzyme responsible for the formation of cysteine from O-acetyl-serine and hydrogen sulphide with the concomitant release of acetic acid. In bacteria such two forms of the enzyme are known (genes cysK and cysM). CysK differs from CysM in that it can also use sulphide instead of thiosulphate, to produce cysteine instead of cysteine thiosulphonate. ; GO: 0004124 cysteine synthase activity, 0006535 cysteine biosynthetic process from serine.
Probab=91.77  E-value=0.024  Score=34.64  Aligned_cols=187  Identities=18%  Similarity=0.200  Sum_probs=104.9

Q ss_pred             CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC---CCCCCCCCCCCCCCCCCCCCCC----------------
Q ss_conf             122222222222211344444322222122222222111---2232211111122332222222----------------
Q gi|254780290|r  138 FQTANLRSGQTVLIHGGSSGIGTTAIQLASYFGATVYTT---AKSEEKCLACLKLGAKHAINYL----------------  198 (332)
Q Consensus       138 ~~~~~~~~g~~vlV~ga~g~vG~~a~qla~~~G~~vi~~---~~~~~~~~~~~~lGa~~vi~~~----------------  198 (332)
T Consensus        51 Ek~G~lk~G~-~IvEpTSGNTGIaLAmvAAArGYkliltMPetMS~ERr~lL~ayGAeLvLTpg~~GMkGAI~KA~Ei~~  129 (312)
T TIGR01139        51 EKRGLLKPGK-TIVEPTSGNTGIALAMVAAARGYKLILTMPETMSIERRKLLKAYGAELVLTPGAEGMKGAIAKAEEIAE  129 (312)
T ss_pred             HHCCCCCCCC-EEEECCCCCHHHHHHHHHHHHCCEEEEECCCCHHHHHHHHHHHCCCEEEECCCCCCCHHHHHHHHHHHH
T ss_conf             8658868888-898237773269999999871894999867432689999998709658872812376667899999998


Q ss_pred             ----------------CCC-----CCCCCCCCCCCC-CCCCCCCCCC-CCCCCCCCCCC---CCCC-CCEEEEE------
Q ss_conf             ----------------221-----111222222222-1112222111-11122222112---2345-3047983------
Q gi|254780290|r  199 ----------------KED-----FLEILQKETQGR-GIDIILDMVG-AEYLNQHLTLL---SKEG-KLIIISF------  245 (332)
Q Consensus       199 ----------------~~~-----~~~~i~~~t~g~-g~Divid~~G-~~~~~~~~~~l---~~~G-~iv~~G~------  245 (332)
T Consensus       130 ~~Pn~y~m~~QF~NpANP~~Hr~TTg~EIw~d~dg~G~~D~FVaG~GTGGTITGvG~~LK~~~pkG~~~~~~AVEP~~SP  209 (312)
T TIGR01139       130 STPNSYFMLQQFENPANPEIHRKTTGPEIWRDTDGKGRLDAFVAGVGTGGTITGVGEVLKEKKPKGKDIKIVAVEPAESP  209 (312)
T ss_pred             HCCCCEEECCCCCCCCHHHHHHHCCHHHHHHHHCCCCCEEEEEEEECCCCHHHHHHHHHHCCCCCCCEEEEEEECCCCCH
T ss_conf             68792652245787221476162027899996278983117997323685154789987400789955899987277431


Q ss_pred             -CCCC---CCCCCCCCHHHCCCCEEEEEEECCC-HHCCHHHHHHHHHHHHHHHH--HCCCCCCCCEEEEEHHHHHHHHHH
Q ss_conf             -3787---5432224334305321677751240-00113789999999999999--869831021247418999999999
Q gi|254780290|r  246 -LGGN---IATEINLNPIISKRITITGSTLRRR-TDIAKQSIRDSLQLKIWPLL--NSHVIAPVIHTVLPLGKVAMAHDI  318 (332)
Q Consensus       246 -~~~~---~~~~~~~~~~~~~~~~i~g~~~~~~-~~~~~~~~~~~~~~~~~~~i--~~g~l~p~i~~~~~l~~i~~A~~~  318 (332)
T Consensus       210 VLSggLAG~~ikpGpHKIQGiGAGFIP~~Ln~~v~D~v-i~V~~EeAi~~ARrLA~eEGiL~G----ISSGA~vaAAl~~  284 (312)
T TIGR01139       210 VLSGGLAGEEIKPGPHKIQGIGAGFIPKVLNRSVIDEV-ITVSDEEAIETARRLAKEEGILVG----ISSGAAVAAALKL  284 (312)
T ss_pred             HHHHHHHHHHCCCCCCCCCCCCCCCCCCCCCCCCCCEE-EECCCHHHHHHHHHHHHHCCEEEC----CCHHHHHHHHHHH
T ss_conf             34433300102669496412797872633684136214-740755689999999986780101----5578999999999


Q ss_pred             HHCCCCCCEEEE
Q ss_conf             982998132898
Q gi|254780290|r  319 MEKSEHIGKIIL  330 (332)
Q Consensus       319 l~~g~~~GKvVi  330 (332)
T Consensus       285 Ak~~~n~dK~iV  296 (312)
T TIGR01139       285 AKRLENPDKLIV  296 (312)
T ss_pred             HHHHCCCCCEEE
T ss_conf             873248898899