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Figure 1.
Figure 1. Ribbon Diagram of and Peptide Binding Groove
Electron Density in the H-2L^d Crystal Structure(A) Ribbon
diagram of the H-2L^d crystal structure viewed along the
peptide-binding groove. The peptide N-terminus is shown oriented
toward the viewer. (B) The peptide electron density in the
H-2L^d crystal structure. The σ[A]-weighted 2F[o]-F[c] electron
density is viewed with the peptide (APAAAAAAM) N-terminus on the
right to show the effect of the large polymorphic residues
(e.g., Trp73, Trp97, Tyr99) on the peptide conformation.
Residues below the peptide from three of the α[1]α[2] domain
β-strands and β[2]m (Trp60) form the bottom of the
peptide-binding groove. The map is contoured at 1.5σ with a
cover radius of 2.5 Å applied.
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