RPSBLAST alignment for GI: 254780276 and conserved domain: TIGR00683

>gnl|CDD|129766 TIGR00683, nanA, N-acetylneuraminate lyase. N-acetylneuraminate lyase is also known as N-acetylneuraminic acid aldolase, sialic acid aldolase, or sialate lyase. It is an intracellular enzyme. The structure of this homotetrameric enzyme related to dihydrodipicolinate synthase is known. In Clostridium tertium, the enzyme appears to be in an operon with a secreted sialidase that releases sialic acid from host sialoglycoconjugates. In several E. coli strains, however, this enzyme is responsible for N-acetyl-D-neuraminic acid synthesis for capsule production by condensing N-acetyl-D-mannosamine and pyruvate. Length = 290
 Score = 98.1 bits (244), Expect = 2e-21
 Identities = 75/300 (25%), Positives = 121/300 (40%), Gaps = 20/300 (6%)

Query: 2   FRGSIPALITPFTKGNLIDEDAFVEHIEWQITEGS-GGLVPAGTTGESSTLSHEEHCRII 60
            +G   AL+  F +   I+E    + I   I +    GL   G+TGE+  LS EE   I 
Sbjct: 1   LKGIFSALLVSFNEDGTINEKGLRQIIRHNIDKMKVDGLYVGGSTGENFMLSTEEKKEIF 60

Query: 61  ELCVKTVASRVPVMAGIGSNNTRESVELAQYAHSIGADALLVVIPYYNKPNRRGLLAHFG 120
            +       ++ ++A +GS N +E+VEL +YA  +G D L  V P+Y K +   +  ++ 
Sbjct: 61  RIAKDEAKDQIALIAQVGSVNLKEAVELGKYATELGYDCLSAVTPFYYKFSFPEIKHYYD 120

Query: 121 E-IATTVSSPIYIYNNPSRTVIEMDVDTMAELAATYPNIVGVKDATGKIELVSEQR---- 175
             IA T    + +Y+ P  T + M ++   EL    P ++GVK   G   L+   +    
Sbjct: 121 TIIAETGGLNMIVYSIPFLTGVNMGIEQFGEL-YKNPKVLGVKFTAGDFYLLERLKKAYP 179

Query: 176 ---LSCGFDFIQLSGEDSSALGFNAHGGVGCISVTANVVPRICAEFQQAMIRGDYRQALL 232
              +  GFD + L             G +G    T NV      +  +    G  ++AL 
Sbjct: 180 NHLIWAGFDEMMLPA-----ASLGVDGAIGS---TFNVNGVRARQIFELTKAGKLQEALE 231

Query: 233 YQDKLMPLHQALFMEPAVCCVKYALSRLGRNVSLAVRSPMVST-LEKDTMIAIDQALERL 291
            Q     L + +        +K  L   G +     R PM S    +    A D   + L
Sbjct: 232 IQHVTNDLIEGILANGLYLTIKELLKLEGVDAGYC-REPMTSKATPEQKAKAKDLKAKFL 290