HHsearch alignment for GI: 254780497 and conserved domain: TIGR00748

>TIGR00748 HMG_CoA_syn_Arc hydroxymethylglutaryl-CoA synthase, putative; InterPro: IPR004656 This family of archaeal proteins shows considerable homology and identical active site residues to FabH, the beta-ketoacyl-acyl carrier protein synthase III of bacteria and plants. The archaeal species in which it is found, however, do not have a readily detectable homolog of acyl carrier protein itself, suggesting the condensation of the acyl group with some other carrier. In Methanococcus jannaschii, Q58941 from SWISSPROT, Cys-112 is the site of acyl group attachment and His-234 and Asn-237 are also active site residues by homology to FabH. Closely related bacterial families include a polyketide antibiotic (2,4-diacetylphloroglucinol) biosynthesis protein from Pseudomonas fluorescens and an uncharacterised protein from Staphylococcus carnosus. .
Probab=100.00  E-value=1.2e-32  Score=228.13  Aligned_cols=300  Identities=20%  Similarity=0.284  Sum_probs=240.9

Q ss_pred             EEEEEEEEECCCCEECHHHHHHHHCCCHHHHHHCCCCCEEEEECCCCCHHHHHHHHHHHHHHHHCCCCCCCCEEEEECCC
Q ss_conf             69999999649841178899988099987811024751889828988999999999999997402123544336650122
Q gi|254780497|r    4 STVRGIGLSLPRRVLSNSDLESIVDTSDGWIKRRVGISRRHIAGKDETTASLGEAAARDALHHAEMSVDDIDLIIVATST   83 (324)
Q Consensus         4 ~~I~~~g~ylP~~~v~~~el~~~~~~~~~~i~~~~GI~~R~~~~~~e~~~~la~~Aa~~al~~a~~~~~~Id~ii~~s~~   83 (324)
T Consensus         2 ~GivGyG~y~P~yri~~eei~rvW~~dp~~i~~g~~~~ek~vP~~ded~~ti~~eaarnal~r~~idP~~i~a~~~Gses   81 (347)
T TIGR00748         2 AGIVGYGAYIPKYRIKVEEIARVWGDDPEAISKGLLVEEKAVPGLDEDTATIAVEAARNALKRAKIDPKDIGAVYVGSES   81 (347)
T ss_pred             CCEEEECCCCCCEEECHHHHHHHHCCCHHHHHCCEEEEECCCCCCCCCCEEEHHHHHHHHHHHCCCCHHHCCEEEECCCC
T ss_conf             41576210115311102344433056636865570255324788663400111467787776304784164177960568


Q ss_pred             CCCCCCCCCCCHHHHHHCCCCC-CCCCCCCCCCHHHHHHHHHHHHHHCCCCCCEEEEECCCCCCCCCCCCCCCCCCCCCC
Q ss_conf             3345898531001122026864-444210122003467888998964155653167630224322245663232345443
Q gi|254780497|r   84 PDQTFPSTAVNIQNRLGMKRGF-AFDMQAVCSGFVYAVTTADSYIRSGVVRRVMVIGSDTFSRIVDWSDRSTCVLFGDGA  162 (324)
Q Consensus        84 ~~~~~p~~a~~i~~~LGl~~~~-~~di~~~C~~~~~al~~A~~li~~g~~~~~Lvv~~e~~S~~~d~~d~~~~~lfGDGA  162 (324)
T Consensus        82 ~PyavkP~~t~~aea~~atP~l~aad~efaCkaGt~~~q~~~G~v~sG~~ky~la~GadtaqG~--PGd~le-~ta~aGG  158 (347)
T TIGR00748        82 KPYAVKPTATIVAEAIEATPDLTAADLEFACKAGTAGIQACIGLVESGLIKYGLAIGADTAQGA--PGDALE-YTAAAGG  158 (347)
T ss_pred             CCCEECCCHHHHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCC--CCCCCE-ECCCCCC
T ss_conf             6510064035554454057574022135555521688998875676446665543124102689--863100-0003785


Q ss_pred             CEEEEECCCCCCCCCCCCCCEEEEEECCCCCCCCEEECCCCCCCCCCCCHHHCCHHHHHHHHHHHHHHHHHHHHHHHCCC
Q ss_conf             12344026544654344541012320355555617754876544433200103202444557777777888898740010
Q gi|254780497|r  163 GALILEGVEVKGSSMADTGILSTYLCSDGSYIDKLYVDGGPSTSRTVGCIRMEGKAVFKYAVEKAVELIEKVFDSTHLTI  242 (324)
Q Consensus       163 aA~ll~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~g~~~~~~~~~~~~~~i~~~L~~~gl~~  242 (324)
T Consensus       159 aa~~iG~~~~~~~----a~~~~~ysy~t--dtPdf~rr~~~~yPrhG~rftG-ePayf~hv~----~aa~~lm~~~G~~~  227 (347)
T TIGR00748       159 AAYIIGEKNSEVV----AEFEGTYSYTT--DTPDFWRREGKPYPRHGGRFTG-EPAYFKHVV----TAAKGLMEKLGLKP  227 (347)
T ss_pred             EEEEECCCCHHHH----HHHHCCEEEEE--CCCHHHHHCCCCCCCCCCCCCC-CHHHHHHHH----HHHHHHHHHHCCCC
T ss_conf             2688607512234----31103322420--6815664067878877875467-637899999----99999999727882


Q ss_pred             CCCCCCCCCCCCHHHHHHHHHHCCCCHHHHHH-H-HHHHCCCHHHHHHHHHHHHHHCCCCCCCCEEEEEEECCCCCEEE
Q ss_conf             00121024444415899999971978767336-5-86519330126999999999806889998999999714501456
Q gi|254780497|r  243 ENIDWFVPHQANWRIINSIVDKMKIPFDKVIV-T-VDIHGNTSAASIPLALAVAVKEGRVKKGDCLLLEAMGGGFTSGT  319 (324)
Q Consensus       243 ~did~~~~Hq~~~~~~~~~~~~lgl~~e~~~~-~-~~~~Gn~~sas~~~~L~~~~~~g~l~~Gd~vll~~~G~G~s~~a  319 (324)
T Consensus       228 ~d~dy~vfhqPn~kf~~~~a~~lG~~~e~~~~Gll~~~iGntysGa~~~G~~~~ld~--~~~G~ril~vs~GsGaGsda  304 (347)
T TIGR00748       228 EDFDYAVFHQPNGKFYLKAARILGFKKEQVKPGLLTPVIGNTYSGATPVGLSAVLDV--AEPGERILAVSYGSGAGSDA  304 (347)
T ss_pred             CCCCEEEEECCCCCEEEEEHHHHCCCHHCEECCCCCCCCCCCCCCHHHHHHHHHHHC--CCCCCEEEEEEECCCCCCCE
T ss_conf             314147875587504441123407510100001012333543233145546777530--47886489996067767533