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Table 7 Interaction results of β-defensin 1 against gingipains Kgp and RgpB of P. gingivalis

From: In silico targeting of red complex bacteria virulence factors of periodontitis with β-defensin 1

No. of interface residues

Interface area (A0)

Binding energy (Kcal/mol)

No of hydrogen bonds

Interacting residues and bond length

No. of non- bonded contacts

17

762

− 40.814

3

Asn524 of gingipain-Kgp with Ile19 of β-defensin 1 (6.094 Å)

Tyr550 of gingipain-Kgp with Val6 of β-defensin 1 (4.340 Å)

Asp236 of gingipain-Kgp with Ser7

of β-defensin 1 (6.074 Å)

149

14

804

− 55.277

4

Val269 of gingipain-RgpB with Ser7 of β-defensin 1 (4.515 Å)

Met617 of gingipain-RgpB with Asp1 of β-defensin 1 (3.456 Å)

Ser635 of gingipain-RgpB with Cyx27

of β-defensin 1 (5.963 Å)

Met617of gingipain-RgpB with Asp4 of β-defensin 1 (5.629 Å)

216