RPSBLAST alignment for GI: 254780536 and conserved domain: TIGR02813

>gnl|CDD|163029 TIGR02813, omega_3_PfaA, polyketide-type polyunsaturated fatty acid synthase PfaA. Members of the seed for this alignment are involved in omega-3 polyunsaturated fatty acid biosynthesis, such as the protein PfaA from the eicosapentaenoic acid biosynthesis operon in Photobacterium profundum strain SS9. PfaA is encoded together with PfaB, PfaC, and PfaD, and the functions of the individual polypeptides have not yet been described. More distant homologs of PfaA, also included with the reach of this model, appear to be involved in polyketide-like biosynthetic mechanisms of polyunsaturated fatty acid biosynthesis, an alternative to the more familiar iterated mechanism of chain extension and desaturation, and in most cases are encoded near genes for homologs of PfaB, PfaC, and/or PfaD. Length = 2582
 Score =  133 bits (336), Expect = 5e-32
 Identities = 101/330 (30%), Positives = 145/330 (43%), Gaps = 33/330 (10%)

Query: 7   FPGQGSQVIGMGRDLYDSFPEARLVFEEVDHTLNQN----LSDLMW----------NGSQ 52
           F GQGSQ + MGR+L  +FPE R    ++D    Q     LS +++             +
Sbjct: 585 FAGQGSQYLNMGRELACNFPEVRQAAADMDSVFTQAGKGALSPVLYPIPVFNDESRKAQE 644

Query: 53  EELTATCNAQPALTAVSMAFIRVMEKNGLCVKRDISYVAGHSLGEYTALCAAKAFSLSDT 112
           E LT T +AQ A+  +SM   ++  + G   K D    AGHS GE +ALCAA   S  D 
Sbjct: 645 EALTNTQHAQSAIGTLSMGQYKLFTQAGF--KAD--MTAGHSFGELSALCAAGVISDDDY 700

Query: 113 IRLVRARGKSMQEAVPPG---LGSMVAIIGLDDCVVDSICAQASRVGICEIANDNGGGQV 169
           + L  +RG++M  A P G   +G M A+I         I           IAN N   Q+
Sbjct: 701 MMLAFSRGQAM--AAPTGEADIGFMYAVILAVVGSPTVIANCIKDFEGVSIANYNSPTQL 758

Query: 170 VISGLQDAVKCAADTCLNKGAKRAVFLPVSAPFHSSLMTPVSKVMKWMLDSVTKQDPVVP 229
           VI+G+   ++ AA     KG K A+ LPVS  FH+ L+    K     +D      P+VP
Sbjct: 759 VIAGVSTQIQIAAKALKEKGFK-AIPLPVSGAFHTPLVAHAQKPFSAAIDKAKFNTPLVP 817

Query: 230 ILPNFCASPVSSID--EISRLLVEQVTGRVRWRETIQWFANHGVKSVYEVGSGKVLTGLA 287
           +  N     + S D   I + L   +   V + E ++     G +   E G   +L  L 
Sbjct: 818 LYSNGTGK-LHSNDAAAIKKALKNHMLQSVHFSEQLEAMYAAGARVFVEFGPKNILQKLV 876

Query: 288 KRI--DKSLSAVSIS----KVEDIDLALRS 311
           +    DK     +IS       D D+ LR 
Sbjct: 877 ENTLKDKENELCAISINPNPKGDSDMQLRQ 906