HHsearch alignment for GI: 254780294 and conserved domain: TIGR01850

>TIGR01850 argC N-acetyl-gamma-glutamyl-phosphate reductase; InterPro: IPR000706 N -Acetylglutamate (NAG) fulfils distinct biological roles in lower and higher organisms. In prokaryotes, lower eukaryotes and plants it is the first intermediate in the biosynthesis of arginine, whereas in ureotelic (excreting nitrogen mostly in the form of urea) vertebrates, it is an essential allosteric cofactor for carbamyl phosphate synthetase I (CPSI), the first enzyme of the urea cycle. The pathway that leads from glutamate to arginine in lower organisms employs eight steps, starting with the acetylation of glutamate to form NAG. In these species, NAG can be produced by two enzymatic reactions: one catalysed by NAG synthase (NAGS) and the other by ornithine acetyltransferase (OAT). In ureotelic species, NAG is produced exclusively by NAGS. In lower organisms, NAGS is feedback-inhibited by L-arginine, whereas mammalian NAGS activity is significantly enhanced by this amino acid. The NAGS genes of bacteria, fungi and mammals are more diverse than other arginine-biosynthesis and urea-cycle genes. The evolutionary relationship between the distinctly different roles of NAG and its metabolism in lower and higher organisms remains to be determined . The pathway from glutamate to arginine is: NAGS; N-acetylglutamate synthase (2.3.1.1 from EC) (glutamate to N-acetylglutamate) NAGK; N-acetylglutamate kinase (2.7.2.8 from EC) (N-acetylglutamate to N-acetylglutamate-5P) NAGSA; N-acetyl-gamma-glutamyl-phosphate reductase (1.2.1.38 from EC) (N-acetylglutamate-5P to N-acetylglumate semialdehyde) Acetylornithine aminotransferase (2.6.1.11 from EC) (N-acetylglumate semialdehyde to N-acetylornithine) Acetylornithine deacetylase (3.5.1.16 from EC) (N-acetylornithine to ornithine) Arginase (3.5.3.1 from EC) (ornithine to arginine) N-acetyl-gamma-glutamyl-phosphate reductase (1.2.1.38 from EC) (AGPR) , is the enzyme that catalyzes the third step in the biosynthesis of arginine from glutamate, the NADP-dependent reduction of N-acetyl-5-glutamyl phosphate into N-acetylglutamate 5-semialdehyde. In bacteria it is a monofunctional protein of 35 to 38 kD (gene argC), while in fungi it is part of a bifunctional mitochondrial enzyme (gene ARG5,6, arg11 or arg-6) which contains a N-terminal acetylglutamate kinase (2.7.2.8 from EC) domain and a C-terminal AGPR domain. In the Escherichia coli enzyme, a cysteine has been shown to be implicated in the catalytic activity, and the region around this residue is well conserved.; GO: 0003942 N-acetyl-gamma-glutamyl-phosphate reductase activity, 0006526 arginine biosynthetic process.
Probab=100.00  E-value=0  Score=601.52  Aligned_cols=294  Identities=29%  Similarity=0.441  Sum_probs=262.7

Q ss_pred             CEEEEECCCCHHHHHHHHHHHCCCCEEEEEEECCCC--CCCCCC-----------------------HHHH-CCCCEEEE
Q ss_conf             079997588678999999986299728999965300--786006-----------------------6774-79989999
Q gi|254780294|r    2 YKIFIDGEHGTTGLKIRSRIVQRKDLCLLSIPCEER--HNLRYR-----------------------EDLL-NAADVSIL   55 (311)
Q Consensus         2 ~kVaIvGATG~vG~~li~lL~~hp~~~l~~l~s~~~--ag~~~~-----------------------~~~~-~~~Divf~   55 (311)
T Consensus         1 ~~V~IvGAsGYtG~EL~RLL~~HP~~e~~~~~ss~~~~aG~~~~~~~P~L~g~~~~~~~~~~~~~~~~~~~L~~~DvVFl   80 (361)
T TIGR01850         1 IKVGIVGASGYTGGELLRLLANHPEVEITYLVSSRESLAGKPLSEVHPHLRGLVDYLNLEPLDDAKLEEIELEDADVVFL   80 (361)
T ss_pred             CEEEEEECCCHHHHHHHHHHHCCCCEEEEEEEEEEEHHCCCCHHHHCCCHHHHHCCCCCCCCCHHHHHHHHHCCCCEEEE
T ss_conf             96899933444689999998419953788888762011385257736611101002333666766788862137678998


Q ss_pred             CCCCHHHHHHHHHHHHCCCCEEEECCCCCHHHHHH------------------HHHCCCCCCHHHHHHCCCCEEEECCCC
Q ss_conf             38983789999998612584898227630355543------------------110021000477652049607725842
Q gi|254780294|r   56 CLPDVASLEIIQLIKKNGINSRIIDTSTAHRIAPG------------------WVYGFPEMDKSQKEKIRSARYITNPGC  117 (311)
Q Consensus        56 a~p~~~s~~~~~~~~~~g~~~~vid~ss~~R~~~~------------------vpl~vPEvN~~~~~~~~~~~iIanPnC  117 (311)
T Consensus        81 AlPhgvs~~~~p~~l~~g--~~ViDLSADFRl~d~~~Ye~wYG~h~~~~ll~~avYGLpEl~~-~re~i~~A~liAnPGC  157 (361)
T TIGR01850        81 ALPHGVSMELAPELLEAG--VKVIDLSADFRLKDPEVYEKWYGFHAAPELLQEAVYGLPELHG-AREEIKGARLIANPGC  157 (361)
T ss_pred             CCCHHHHHHHHHHHHHCC--CEEEECCCCCCCCCHHHHHHHCCCCCCHHHHHHCCCCCCCCCH-HHHHHHCCCEEECCCC
T ss_conf             687255699999998479--8699888343369979999966778896666311556767010-5889842957644886


Q ss_pred             CCCCCHHHHHHHHHHCCCCCCCCEEEEEECCCCCCCCCCCHHCCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHCC----
Q ss_conf             1133112478888850345565026765123333561000000134443223433222223444443420133216----
Q gi|254780294|r  118 YATGAIAILRPLRKAKLLPDRYPITINAVSGYTGGGKKLISRMEQKNMPDTISSNHFFYSLDLLHKHLPEITQYSL----  193 (311)
Q Consensus       118 ~~t~~~laL~PL~~~~~i~~~~~~~~~~~sg~sgaG~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~h~~e~~~~~~----  193 (311)
T Consensus       158 YpTA~~LaL~PL~~~~l~~~~~~~i~dakSGvSGAGr~as~~~~~~----E~~en~~pY~~~G~HRH~PEI~q~L~~~~~  233 (361)
T TIGR01850       158 YPTATLLALAPLLKEGLIDPTSEIIVDAKSGVSGAGRKASEKSHFP----EVNENLRPYKVTGGHRHTPEIEQELGKLAG  233 (361)
T ss_pred             HHHHHHHHHHHHHHHCCCCCCCCEEEEEEECCCCCCCCCCCCCCHH----HHHCCCEECCCCCCCCCHHHHHHHHHHHHC
T ss_conf             1789999989999831567677658988744556677776335734----432770620379985027999998767630


Q ss_pred             --CCEEEEEEEECCCCCCEEEEEEEEEEECCCCC-CCHHHHHHHHHHHHCCCCCCEEEC--CCCCCCCCCCCHHHHCCCC
Q ss_conf             --71136887520343320278999986325775-448998866542200144305602--7878878986427627996
Q gi|254780294|r  194 --IKTSPMFLPSVGRFPQGIAIQISLDMERLSWK-TNSEELHSIFQEYYMGQNIVSVVP--LEESRKIKTIACEMMSGND  268 (311)
Q Consensus       194 --~~~~~~~~~~~~~~~~g~~~~v~v~~~~~~~~-~~~~~~~~~~~~~~~~~~~v~v~~--~~~~~~~~~p~~~~~~g~n  268 (311)
T Consensus       234 ~~~~~~v~FTPHL~P~~RGIl~T~~~~---l~~~~~~~~~~~~~Y~~~Y~~epFVrv~~~G~~-----~~P~tk~V~GsN  305 (361)
T TIGR01850       234 GIDKVKVSFTPHLVPMTRGILATIYAK---LKDGSLTEEDLRKLYEEFYADEPFVRVLPKGEG-----EYPSTKAVRGSN  305 (361)
T ss_pred             CCCCEEEEEEEEECCCCCCCEEEEEEE---ECCCCCCHHHHHHHHHHHHCCCCEEEEECCCCC-----CCCCEEEEEECC
T ss_conf             448727999863126235320127687---268998889999999997127971798227789-----878614775358


Q ss_pred             EEEEE-EEEECCCCEEEEEEEECCCHHHHHHHHHHHHHHHHCC
Q ss_conf             07999-9980899769999972221013689999999987238
Q gi|254780294|r  269 KLHLF-FFDSSELPYINIIAVFDNLGKGASGAAIQNMDLLLSS  310 (311)
Q Consensus       269 ~v~Vg-~~~~~~~~~~~v~s~~DNL~KGAAgnAVQn~nlm~g~  310 (311)
T Consensus       306 ~cdIGG~~~d~~~~r~vv~SaIDNLvKGAAGQAvQN~N~m~G~  348 (361)
T TIGR01850       306 FCDIGGFAVDERTGRVVVVSAIDNLVKGAAGQAVQNMNLMFGF  348 (361)
T ss_pred             CEEEEEEEEECCCCEEEEEEECCHHHHHHHHHHHHHHHHHCCC
T ss_conf             3887337886578889999852112467999999999863588