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