HHsearch alignment for GI: 254780151 and conserved domain: cd01999

>cd01999 Argininosuccinate_Synthase Argininosuccinate synthase. The Argininosuccinate synthase is a urea cycle enzyme that catalyzes the penultimate step in arginine biosynthesis: the ATP-dependent ligation of citrulline to aspartate to form argininosuccinate, AMP and pyrophosphate . In humans, a defect in the AS gene causes citrullinemia, a genetic disease characterized by severe vomiting spells and mental retardation. AS is a homotetrameric enzyme of chains of about 400 amino-acid residues. An arginine seems to be important for the enzyme's catalytic mechanism. The sequences of AS from various prokaryotes, archaebacteria and eukaryotes show significant similarity
Probab=99.23  E-value=7.7e-11  Score=98.09  Aligned_cols=164  Identities=28%  Similarity=0.389  Sum_probs=110.9

Q ss_pred             EEEEECCCHHHHHHHHHHHHCCC-EEEEEEEECCCCCCCCCCCCCCCCHHHHHHHHHHHHHCCC-CEEECCHHHHHHHHC
Q ss_conf             99996098579999999988698-4999998704787665555778818999999999998099-589817078866322
Q gi|254780151|r   23 VVVAMSGGVDSSVVAALLKRDGY-DVIGVTLQLYNSRKASKRKGSCCAGQDVYDARRVCDTINV-SHYVFDYEERFRNAV  100 (408)
Q Consensus        23 V~va~SGGVDSsvaa~lL~~~G~-~V~g~~m~~~~~~~~~~~~~~c~~~~d~~~a~~va~~LgI-~~~~~d~~~~f~~~V  100 (408)
T Consensus         1 VvLAySGGLDTSv~l~wL~e~~~~eVia~~~d~Gq------------~~e~~~~i~~kA~~~GA~~~~v~D~r~ef~~~~   68 (385)
T cd01999           1 VVLAYSGGLDTSVILKWLKEKGGYEVIAVTADVGQ------------PEEEIEAIEEKALKLGAKKHVVVDLREEFVEDY   68 (385)
T ss_pred             CEEEECCCCHHHHHHHHHHHHCCCEEEEEEEECCC------------CHHHHHHHHHHHHHHCCCEEEEECHHHHHHHHH
T ss_conf             97997788179999999997459849999998999------------667778999999981997899961299999999


Q ss_pred             CCCCHHH--HHCCCCCCCEECCCCEEEHHHHHHHHCCCCCCEECCCCCCCEEEECCCCCCCEEEE-EECCCCCCCCEEEE
Q ss_conf             4411267--87088612000015411058888874016876452253110254126787731688-53157878731898
Q gi|254780151|r  101 IVPFASS--YAAGETPLPCVDCNRTVKFSDLLSVTRQLGADVLATGHYIRSRLYVGDDGKRRRIM-CRPMDLERDQSYFL  177 (408)
Q Consensus       101 ~~~~~~~--y~~G~TPNPc~~CN~~iKF~~l~~~a~~~g~~~iATGHYar~~~~~~~~~~~~~~L-~r~~D~~KDQSYfL  177 (408)
T Consensus        69 i~pai~ana~Yeg~Y~L~tslaRplI-ak~~ve~A~~~ga~aiaHG~-----TGkGND-QvRFe~~~~aL~P~-------  134 (385)
T cd01999          69 IFPAIQANALYEGTYPLGTALARPLI-AKALVEVAKEEGADAVAHGC-----TGKGND-QVRFELAFYALNPD-------  134 (385)
T ss_pred             HHHHHHHCCCCCCCEECCCCHHHHHH-HHHHHHHHHHHCCEEEEECC-----CCCCCC-HHHHHHHHHHHCCC-------
T ss_conf             99999608643375321350157899-99999999980984997456-----668884-06899999985999-------


Q ss_pred             EEECCHHHCEEECCCCCC---CHHHHHHHHHHCCCCCC---CHHHCCCE
Q ss_conf             630202210033425689---97898999974125435---51110230
Q gi|254780151|r  178 FATTQQQLCDLRFPLGDM---KKESVRDLAREMGLDIA---DKSDSQDI  220 (408)
Q Consensus       178 ~~l~~~~L~~~~FPlg~~---~K~eVR~~A~~~gl~~a---~K~eSqgI  220 (408)
T Consensus       135 -------l-~iiAP~Rd~~~~sR~~~i~ya~~~gi~v~~~~~~pyS~D~  175 (385)
T cd01999         135 -------L-KIIAPWRDWEFLSREEEIEYAEEHGIPVPVTKKKPYSIDE  175 (385)
T ss_pred             -------C-EEEEEEECCCCCCHHHHHHHHHHCCCCCCCCCCCCCCCCC
T ss_conf             -------7-5851473144488899999999859998866788851463