HHsearch alignment for GI: 254780497 and conserved domain: TIGR01833

>TIGR01833 HMG-CoA-S_euk hydroxymethylglutaryl-CoA synthase; InterPro: IPR010122 Synonym(s): 3-hydroxy-3-methylglutaryl-coenzyme A synthase, HMG-CoA synthase. Hydroxymethylglutaryl-CoA synthase (2.3.3.10 from EC) catalyses the condensation of acetyl-CoA with acetoacetyl-CoA to produce HMG-CoA and CoA, the second reaction in the mevalonate-dependent isoprenoid biosynthesis pathway. HMG-CoA synthase contains an important catalytic cysteine residue that acts as a nucleophile in the first step of the reaction: the acetylation of the enzyme by acetyl-CoA (its first substrate) to produce an acetyl-enzyme thioester, releasing the reduced coenzyme A. The subsequent nucleophilic attack on acetoacetyl-CoA (its second substrate) leads to the formation of HMG-CoA . HMG-CoA synthase occurs in eukaryotes, archaea and certain bacteria . In vertebrates, there are two isozymes located in different subcellular compartments: a cytosolic form that is the starting point of the mevalonate pathway (leads to cholesterol and other sterolic and isoprenoid compounds), and a mitochondrial form responsible for ketone body biosynthesis. HMG-CoA is also found in other eukaryotes such as insects, plants and fungi . In bacteria, isoprenoid precursors are generally synthesised via an alternative, non-mevalonate pathway, however a number of Gram-positive pathogens utilise a mevalonate pathway involving HMG-CoA synthase that is parallel to that found in eukaryotes , . This entry is specific for eukaryotic HMG-CoA synthase enzymes.; GO: 0004421 hydroxymethylglutaryl-CoA synthase activity, 0008299 isoprenoid biosynthetic process.
Probab=99.93  E-value=8.2e-25  Score=178.13  Aligned_cols=302  Identities=16%  Similarity=0.190  Sum_probs=214.5

Q ss_pred             CEEEEEEEEEECCCCEECHHHHHHHHCCCHHHHHHCCCCCEEEEECCCCCHHHHHHHHHHHHHHHHCCCCCCCCEEEEEC
Q ss_conf             22699999996498411788999880999878110247518898289889999999999999974021235443366501
Q gi|254780497|r    2 IRSTVRGIGLSLPRRVLSNSDLESIVDTSDGWIKRRVGISRRHIAGKDETTASLGEAAARDALHHAEMSVDDIDLIIVAT   81 (324)
Q Consensus         2 ~~~~I~~~g~ylP~~~v~~~el~~~~~~~~~~i~~~~GI~~R~~~~~~e~~~~la~~Aa~~al~~a~~~~~~Id~ii~~s   81 (324)
T Consensus         3 ~dVGI~al~~yfP~~yV~Q~~LE~yDgVs~GKYTiGLGq~~mgFc~drEDI~Sl~LTvv~~L~er~~id~~~IGRLEVGT   82 (461)
T TIGR01833         3 KDVGILALEIYFPSQYVDQAELEKYDGVSAGKYTIGLGQTKMGFCTDREDINSLCLTVVSKLMERYQIDYNKIGRLEVGT   82 (461)
T ss_pred             CCCEEEEEEEECCCCCCCHHHHHHHCCCCCCCEEECCCCCCCEEECCCCHHHHHHHHHHHHHHHHHCCCCCCCCEEECCC
T ss_conf             87406888863688752657786326888895034235662000022101566658999999986078715431101042


Q ss_pred             CCCCCCCCCCCCCHH---HHHHCCCCCCCCCCCCCCCHHHHHHHHHHHHHHCC--CCCCEEEEECCCCCCCCCCCCCCCC
Q ss_conf             223345898531001---12202686444421012200346788899896415--5653167630224322245663232
Q gi|254780497|r   82 STPDQTFPSTAVNIQ---NRLGMKRGFAFDMQAVCSGFVYAVTTADSYIRSGV--VRRVMVIGSDTFSRIVDWSDRSTCV  156 (324)
Q Consensus        82 ~~~~~~~p~~a~~i~---~~LGl~~~~~~di~~~C~~~~~al~~A~~li~~g~--~~~~Lvv~~e~~S~~~d~~d~~~~~  156 (324)
T Consensus        83 ETiiDKSKSVKtVLMQLF~~sGNTDvEGiDt~NACYGGTaALFNa~~WiESssWDGRyalVVagDiA--v--Ya~G~ARP  158 (461)
T TIGR01833        83 ETIIDKSKSVKTVLMQLFEESGNTDVEGIDTVNACYGGTAALFNAINWIESSSWDGRYALVVAGDIA--V--YAKGNARP  158 (461)
T ss_pred             EEEEECHHHHHHHHHHHHHHCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHCCCCCCCCEEEEEEEEE--E--CCCCCCCC
T ss_conf             5341001035577677542057954353255341122479997545432126753034124532111--3--48889887


Q ss_pred             CCCCCCCEEEEECCCCCCCCCCCCCCEEEEEECCCCCCCCEEECCCCCCCCCCCCHHHCCHHHHHHHHHHHHH-------
Q ss_conf             3454431234402654465434454101232035555561775487654443320010320244455777777-------
Q gi|254780497|r  157 LFGDGAGALILEGVEVKGSSMADTGILSTYLCSDGSYIDKLYVDGGPSTSRTVGCIRMEGKAVFKYAVEKAVE-------  229 (324)
Q Consensus       157 lfGDGAaA~ll~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~g~~~~~~~~~~~~~-------  229 (324)
T Consensus       159 TGGAGavAmLiGp~APi---vfe~glR~shM~HaYDFYK----PdL-----~SEYP~VDGklS~~CYl~ALD~cY~~y~~  226 (461)
T TIGR01833       159 TGGAGAVAMLIGPNAPI---VFERGLRASHMQHAYDFYK----PDL-----ASEYPVVDGKLSIQCYLSALDRCYKSYCK  226 (461)
T ss_pred             CHHHHHHHHHHCCCCCE---EECCCCCHHHHCCCCCCCC----CCC-----CCCCCEECCCCCHHHHHHHHHHHHHHHHH
T ss_conf             52899999975689888---7427754122214533368----888-----31685044530587899898888899888


Q ss_pred             ----HHHHHHHH-HHCCCCCCCCCCCCCCC-HHHHHHHHHHC------------------------CCCH---------H
Q ss_conf             ----78888987-40010001210244444-15899999971------------------------9787---------6
Q gi|254780497|r  230 ----LIEKVFDS-THLTIENIDWFVPHQAN-WRIINSIVDKM------------------------KIPF---------D  270 (324)
Q Consensus       230 ----~i~~~L~~-~gl~~~did~~~~Hq~~-~~~~~~~~~~l------------------------gl~~---------e  270 (324)
T Consensus       227 K~~~~~~~~~~~~~~f~l~~~dy~vFH~PyCKlVqKS~ARLlyNDF~~~~~~~~~~~~~~~~~~l~~l~~~~ty~drd~E  306 (461)
T TIGR01833       227 KIEKQLGKSGKDGRKFTLDDFDYMVFHSPYCKLVQKSLARLLYNDFLANPSSETDTALYEVLEALSTLKLEDTYTDRDLE  306 (461)
T ss_pred             HHHHHHHCCCCCCCCCCHHHCCEEEEECCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCHHHHHCCHHHH
T ss_conf             89987420244676330634473675077322689999999888876322344556666667765337711200232588


Q ss_pred             HHHHH----------------HHHHCCCHHHHHHHHHHHHHHCCCCC--CCCEEEEEEECCCCCEEE
Q ss_conf             73365----------------86519330126999999999806889--998999999714501456
Q gi|254780497|r  271 KVIVT----------------VDIHGNTSAASIPLALAVAVKEGRVK--KGDCLLLEAMGGGFTSGT  319 (324)
Q Consensus       271 ~~~~~----------------~~~~Gn~~sas~~~~L~~~~~~g~l~--~Gd~vll~~~G~G~s~~a  319 (324)
T Consensus       307 K~~~~~sk~~f~~k~~~Sl~~~~~~GNMYT~SlYg~laSLL~~~~~~eLaGkRv~~FSYGSGlAAs~  373 (461)
T TIGR01833       307 KAFMKISKELFDKKVKPSLLLPTQVGNMYTASLYGCLASLLSSKSADELAGKRVGLFSYGSGLAASL  373 (461)
T ss_pred             HHHHHHHHHHHHHHCCCEEEECCCCCCCCHHHHHHHHHHHHHCCCHHHHCCCEEEEEECCHHHHHHH
T ss_conf             9999999998861020002100057864007899999999740780130775699863624554321