RPSBLAST alignment for GI: 254780873 and conserved domain: cd04257

>gnl|CDD|58623 cd04257, AAK_AK-HSDH, AAK_AK-HSDH: Amino Acid Kinase Superfamily (AAK), AK-HSDH; this CD includes the N-terminal catalytic domain of aspartokinase (AK) of the bifunctional enzyme AK - homoserine dehydrogenase (HSDH). These aspartokinases are found in bacteria (E. coli AKI-HSDHI, ThrA and E. coli AKII-HSDHII, MetL) and higher plants (Z. mays AK-HSDH). AK and HSDH are the first and third enzymes in the biosynthetic pathway of the aspartate family of amino acids. AK catalyzes the phosphorylation of Asp to P-aspartyl phosphate. HSDH catalyzes the NADPH-dependent conversion of Asp 3-semialdehyde to homoserine. ThrA and MetL are involved in threonine and methionine biosynthesis, respectively. In E. coli, ThrA is subject to allosteric regulation by the end product L-threonine and the native enzyme is reported to be tetrameric. As with bacteria, plant AK and HSDH are feedback inhibited by pathway end products. Maize AK-HSDH is a Thr-sensitive 180-kD enzyme. Arabidopsis AK-HSDH is an alanine-activated, threonine-sensitive enzyme whose ACT domains, located C-terminal to the AK catalytic domain, were shown to be involved in allosteric activation.. Length = 294
 Score =  143 bits (362), Expect = 8e-35
 Identities = 80/297 (26%), Positives = 134/297 (45%), Gaps = 60/297 (20%)

Query: 5   VMKFGGTSVANIDCIRSAALHVKREVDRGQEVAMVVSAMSGETDRLAELCRQVTSIDNAR 64
           V+KFGGTS+AN + IR  A  +     + Q VA+VVSA    TD L EL    +S D+A 
Sbjct: 3   VLKFGGTSLANAERIRRVADIILNAAKQEQ-VAVVVSAPGKVTDLLLELAELASSGDDAY 61

Query: 65  ER--DVVISTGEQVSSGLMVLALQSLGIQAIS---------LQG---------------- 97
           E     + S    + + L+     +  + A+          L+G                
Sbjct: 62  EDILQELESKHLDLITELLSGDAAAELLSALGNDLEELKDLLEGIYLLGELPDSIRAKVL 121

Query: 98  -----WQIPIMTDSLHGMA-RICRVDEKKIVT----HLK------------------KKQ 129
                    +++  L+        +D ++++     +L                     +
Sbjct: 122 SFGERLSARLLSALLNQQGLDAAWIDARELIVTDGGYLNAVVDIELSKERIKAWFSSNGK 181

Query: 130 VVVITGFQGLSHDNSVTTLGRGGSDTSAVAIAAAIKADRCDIYTDVCGIYTTDPRIEPKA 189
           V+V+TGF   +     TTLGR GSD SA  +AA + AD+ +I+TDV G+Y+ DPR    A
Sbjct: 182 VIVVTGFIASNPQGETTTLGRNGSDYSAAILAALLDADQVEIWTDVDGVYSADPRKVKDA 241

Query: 190 HLMKKISFEEMLEMSSLGAKVMQVRSVELAMLYKMCLFVRSSFEDHGQQEQLGTLIC 246
            L+  +S++E +E+S  GAKV+  ++++      + + ++++F      E  GTLI 
Sbjct: 242 RLLPSLSYQEAMELSYFGAKVLHPKTIQPVAKKNIPILIKNTF----NPEAPGTLIS 294