... 4) For the amylopullulanase from Thermococcus hydrothermalis (Q9Y8I8_THEHY), the numbering of the mature enzyme is used [23] The two GH -57 catalytic residues – Glu291 and Asp394 (Q9Y8I8_THEHY) ... data) Therefore, in attempt to provide the first elements towards the understanding of the functionality of the potentially valuable, heat stable GH -57 enzymes, especially that of the T hydrothermalis ... the C-terminus of the first b-strand of the catalytic (b/a)7-barrel [16] Interestingly, the three shortest GH -57 members, which include the P furiosus a-galactosidase (Q9HHB5_PYRFU), exhibit the...