Table 1. List of conserved residues and positions.

MHC Class	Structural Location	Loop	Conserved Residues	Conserved Positions
I	MHC G-ALPHA1 helix	-	-	α65, α69 and α72
	MHC G-ALPHA2 helix	-	-	α150, α151 and α155
	Peptide	-	-	P4, P6, P7 and P8
	TR Vα	CDR1	-	α30
		CDR2	-	-
		CDR3	-	α99 and α100
	TR Vβ	CDR1	-	β30
		CDR2	-	-
		CDR3	-	β97 and β98
II	MHC G-ALPHA helix	-	Q57 and G58 (mostly conserved)	α61, α64 and α65
	MHC G-BETA helix	-	-	β67, β70, β73, β76, β77 and β81
	Peptide	-	-	P2, P4, P6, P8 and P9
	TR Vα	CDR1	-	α27, α29
		CDR2	-	α50
		CDR3	-	-
	TR Vβ	CDR1	-	β30 and β31
		CDR2	-	β48, β50 and β56
		CDR3	-	β96, β97 and β98