consists of three similar domains with 3 layers (a/b/a) each; duplication
core: mixed beta-sheet of 4 strands, order 2134, strand 4 is antiparallel to the rest
Fold: Phosphoglucomutase, first 3 domains [53737]
consists of three similar domains with 3 layers (a/b/a) each; duplication core: mixed beta-sheet of 4 strands, order 2134, strand 4 is antiparallel to the rest