Table 6.
Noncovalent Interactions for Tryptophan in Several Proteins
| Protein | PDB # | Molecular Coordinates | Distance (A) | Interaction |
|---|---|---|---|---|
| Gyrase B with chlorobiocin | 1KZN | W170A CZ2 - R168 ANH1 | 3.96 | Cation- π |
| W170A CH2 - K129A NZ | 3.96 | Cation- π | ||
| apoTIM | 1YPI | W168 CE2 – K134 N2 | 3.97 | Cation- π |
| W168 CZ2 - L174 N | 5.79 | Cation- π | ||
| + PGA | 7TIM | W168 CE2 – K134 N2 | 4.26 | Cation- π |
| Yersinia PTPase/apo;WT | 1YPT | W354 CE2 - R409 NH2 | 4.95 | Cation- π |
| “ + vanadate | 2I421 | W354 CD2 - R409NH1 | 5.91 | Cation- π |
| W354 CD1 - T358 OG1 | 3.42 | Anion-quadrapole | ||
| Pf3 virion coat | 1IFP 1FPSF | W38 – R37 (interstrand) | NA | Cation- π |
| Fd virion coat | 1IFJ | F42 - W26 | NA | Aromatic face-edge |
| Melittin | 2MLT | W19A CZ2 - K23A NZ | 4.62 | Cation- π |
| W19B CE2 - K23B NZ | 4.39 | Cation- π | ||
| Bacteriorhodopsin W182 | 2BRD | W182 CZ2 – RET 216 het C20 | 4.14 | Cation- π |
| W182 CZ2 –RET 216 het C19 | 5.39 | Cation- π | ||
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