Table 5. Characteristics of residues outside the disulfide bond of the T-cell receptor (TCR) α chain.

Position on the TCR single chain	Amino acid residue	Properties	Bond types
90	Asp	Negatively charged, non-hydrophobic	HB
92	Asn	Polar uncharged, non-hydrophobic	HB
94	Ala	Non-polar aliphatic, hydrophobic	HB
	Asn	Polar uncharged, non-hydrophobic	HB
	Pro	Non-polar aliphatic, non-hydrophobic	HB
	Ser	Polar uncharged, non-hydrophobic	HB
95	Asn	Polar uncharged, non-hydrophobic	HB
96	Ala	Non-polar aliphatic, hydrophobic	HB
	Gly	Non-polar aliphatic, non-hydrophobic	HB
98	Ala	Non-polar aliphatic, hydrophobic	HB
	Asn	Polar uncharged, non-hydrophobic	HB
	Asp	Negatively charged, non-hydrophobic	HB
100	Ser	Polar uncharged, non-hydrophobic	HB
	Tyr	Aromatic, non-hydrophobic	HB, pi stack
101	Gln	Polar uncharged, non-hydrophobic	HB
	Tyr	Aromatic, non-hydrophobic	HB
102	Asp	Negatively charged, non-hydrophobic	HB
103	Tyr	Aromatic, non-hydrophobic	Pi stack