Amino acid sequence alignment of AtPGMp with PGMs from other species. Arabidopsis (Atpgm; AJ242601), Zea mays cytosolic PGM (Zpgm1; U89342), Saccharomyces cerevisiae (Scpgm1; P33401), rabbit muscle (Rabpgm1; M97664), and Agrobacterium tumefaciens (Agtpgm; 400331). The most conserved regions, such as the catalytic reaction center (Ser-Ala-Ser-His-Asn), metal-binding site (Asp-Gly-Asp-Gly-Asp), and Glc-ring-binding site (Cys-Gly-Glu-Glu-Ser-Phe), are highlighted.