Research Article

“In Silico” Characterization of 3-Phytase A and 3-Phytase B from Aspergillus niger

Table 6

Results of lower docking energies between 3-phytase A and the A chain of 3-phytase B versus phytic acid, obtained with the Autodock program.

Classification Energy (kcal/mol)Number of hydrogen bonds formed AA involved

Docking energy between 3-phytase A and phytic acid
First−6.38, , , , , , ,
Second−6.27Tyr28, , , , , ,
Third−6.07Tyr28, , , , Lys277, Lys278, Asn340
Fourth−6.05Tyr28, , , , Lys278
Fifth−5.98, , , Lys278, His282, , Asn340, Asn340

Docking energy between 3-phytase B chain A and phytic acid
First−6.43, , Tyr276
Second−6.44, , Ser69, Ser71
Third−6.36, Ser71, Try154, , , Asn275
Fourth−6.13Asn33, Ser69, Tyr276
Fifth−5.94Asn33, Glu272, Asn275, Tyr276