BLAST/PSIBLAST alignment of GI: 254781068 and GI: 78189925 at iteration 2
>gi|78189925|ref|YP_380263.1| glycosy hydrolase family protein [Chlorobium chlorochromatii CaD3] Length = 374
>gi|78172124|gb|ABB29220.1| glycosyl hydrolase, family 3 [Chlorobium chlorochromatii CaD3] Length = 374
 Score = 45.0 bits (105), Expect = 0.004,   Method: Composition-based stats.
 Identities = 23/43 (53%), Positives = 25/43 (58%)

Query: 1  MDSSSPIALAIQNRQIGGVVRFDYDFKKKSYQRNIKNPIQLER 43
          +  S  I  AIQ R IGGVV FDYD    S  RNI +P QL R
Sbjct: 48 LAESPQIVAAIQKRHIGGVVLFDYDVPFASPTRNITSPSQLAR 90