CBR4 GI:40254992 carbonic reductase 4 1 mdkvcavfgg srgigravaq lmarkgyrla viarnlegak aaagdlggdh 50 51 lafscdvake hdvqntfeel ekhlgrvnfl vnaaginrdg llvrtktedm 100 101 vsqlhtnllg smltckaamr tmiqqqggsi vnvgsivglk gnsgqsvysa 150 151 skgglvgfsr alakevarkk irvnvvapgf vhtdmtkdlk eehlkknipl 200 201 grfgetieva havvfllesp yitghvlvvd gglqlil