Table 4.
Interaction sites, bond sites and bond distance, between collagen (Type I) and four ligands.
| Ligand | Interaction sites | Bond | Bond distance in(A°) |
|---|---|---|---|
| Collagen type-I | |||
| Dopaquinone | Eleventh residue Val of C-chain (α2) | Val C 12(Cα)-O· · ·N(Dopaquinone) | 3.04 |
| Thirteenth residue Gly of C-chain (α2) | Gly C 13(Cα)-O· · ·H(Dopaquinone) | 2.26 | |
| Fourteenth residue Pro of C-chain (α2) | Pro C 14(Cα)-CA· · ·O(Dopaquinone) | 3.07 | |
| Seventh residue Asn of A-chain (α1) | Asn A 17(Cα)-N· · ·O(Dopaquinone) | 2.79 | |
| Potassium embelate | Eleventh residue Val of C-chain (α2) | Val C 12(Cα)-N· · ·O(Potassium embelate) | 3.03 |
| Eleventh residue Val of C-chain (α2) | Val C 12(Cα)-O· · ·O(Potassium embelate) | 3.38 | |
| Embelin | Eleventh residue Val of C-chain (α2) | Val C 12(Cα)-N· · ·O(Embelin) | 3.22 |
| Thirteenth residue Gly of C-chain (α2) | Gly C 13(Cα)-O· · ·H(Embelin) | 2.74 | |
| Fourteenth residue Pro of C-chain (α2) | Pro C 14(Cα)-N· · ·O(Embelin) | 4.11 | |
| 5-O-Methyl embelin | Eleventh residue Val of C-chain (α2) | Val C 12(Cα)-N· · ·O(5-O-Methyl embelin) | 3.16 |
| Fourteenth residue Pro of C-chain (α2) | Pro C 14(Cα)-N· · ·O(5-O-Methyl embelin) | 3.1 | |
| Fifteenth residue Tyr of C-chain (α2) | Tyr C 15(Cα)-N· · ·O(5-O-Methyl embelin) | 3.23 | |