Subfamily | Biological assembly | Catalytic residues | Others | |
---|---|---|---|---|
1 a) | D | Asp | His | Â |
b) | H1 | Glu147* | His133* | Â |
2 a) | H2 | Asp | - | Â |
b) | TB | Asp | - | Additional Thr & Gln |
c) | TA | - | Asp | Â |
e) i | TA | - | Asp | Â |
   ii | TB | Glu | - |  |
f) | TB & D | Asp | - | Â |
3 | D, DdhA, Trdh, H2 | - | His | Asp in a slightly different location |
4 | TA | - | Asp | Â |