RPSBLAST alignment for GI: 254780276 and conserved domain: cd00954

>gnl|CDD|29947 cd00954, NAL, N-Acetylneuraminic acid aldolase, also called N-acetylneuraminate lyase (NAL), which catalyses the reversible aldol reaction of N-acetyl-D-mannosamine and pyruvate to give N-acetyl-D-neuraminic acid (D-sialic acid). It has a widespread application as biocatalyst for the synthesis of sialic acid and its derivatives. This enzyme has been shown to be quite specific for pyruvate as the donor, but flexible to a variety of D- and, to some extent, L-hexoses and pentoses as acceptor substrates. NAL is member of dihydrodipicolinate synthase family that comprises several pyruvate-dependent class I aldolases.. Length = 288
 Score =  152 bits (386), Expect = 1e-37
 Identities = 84/283 (29%), Positives = 134/283 (47%), Gaps = 4/283 (1%)

Query: 3   RGSIPALITPFTKGNLIDEDAFVEHIEWQI-TEGSGGLVPAGTTGESSTLSHEEHCRIIE 61
           +G I AL+TPF +   I+ED     +++ I  +G  GL   G+TGE   LS EE  +I E
Sbjct: 2   KGLIAALLTPFDENGEINEDVLRAIVDYLIEKQGVDGLYVNGSTGEGFLLSVEERKQIAE 61

Query: 62  LCVKTVASRVPVMAGIGSNNTRESVELAQYAHSIGADALLVVIPYYNKPNRRGLLAHFGE 121
           +  +    +V ++A +GS N +ES ELA++A  +G DA+  + P+Y K +   +  ++ E
Sbjct: 62  IVAEAAKGKVTLIAHVGSLNLKESQELAKHAEELGYDAISAITPFYYKFSFEEIKDYYRE 121

Query: 122 I-ATTVSSPIYIYNNPSRTVIEMDVDTMAELAATYPNIVGVKDATGKIELVSEQRLSCGF 180
           I A   S P+ IY+ P+ T + + ++   EL    PN++GVK     +  +   R +   
Sbjct: 122 IIAAAASLPMIIYHIPALTGVNLTLEQFLEL-FEIPNVIGVKFTATDLYDLERIRAASPE 180

Query: 181 DFIQLSGEDSSALGFNAHGGVGCISVTANVVPRICAEFQQAMIRGDYRQALLYQDKLMPL 240
           D + L+G D   L   A G  G I  T NV  +   +  +A   GD   A   Q  +  +
Sbjct: 181 DKLVLNGFDEMLLSALALGADGAIGSTYNVNGKRYRKIFEAFNAGDIDTARELQHVINDV 240

Query: 241 HQALFMEPAVCCVKYALSRLGRNVSLAVRSPMVSTLEKDTMIA 283
              L        +K  L  +G +     R P+    EK    A
Sbjct: 241 ITVLIKNGLYPTLKAILRLMGLDAGP-CRLPLRKVTEKALAKA 282