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. Author manuscript; available in PMC: 2010 Jul 18.
Published in final edited form as: J Mol Biol. 2010 Feb 1;397(2):467–480. doi: 10.1016/j.jmb.2010.01.052

Table 2.

HLA-GKLPAQFYIL contacts

Peptide residue HLA-G residue Interaction
Lys1
 Lys Met5, Tyr7, Glu62, Glu63, Tyr159, Trp167, Tyr171 vdW
 LysN Tyr7OH H-bond
Tyr171OH H-bond
 Lys Glu62Oε2, Glu62Oε1a Salt bridge
Glu63Oε2, Glu63Oε1 Salt bridge
Asn66Nδ2a Water-mediated H-bond
Asn66Oδ1b Water-mediated H-bond
 LysO Tyr159OH H-bond
Leu2
 Leu Tyr7, Met45, Glu63, Asn66b, Thr67, Tyr159 vdW
 LeuN Glu63Oε2 H-bond
 LeuO Glu63Oε1 Water-mediated H-bond
Asn66Nδ2a Water-mediated H-bond
Pro3
 Pro Asn66b, Ile99a, Arg156, Tyr159 vdW
 ProO Asn66Oδ1b H-bond
Ala4
 Ala Asn66 vdW
Gln5
 Gln Gln155, Arg156 vdW
 GlnNε2 Gln155Oε1a H-bond
 GlnO Arg156NH1 H-bond
Arg156NH2 H-bond
Phe6
 Phe Asn66, His70, Trp97, Arg156 vdW
Tyr7
 Tyr Thr73, Asn77, Val152, Gln155, Arg156 vdW
 TyrN Tyr116OH Water-mediated H-bond
Arg156NH2 Water-mediated H-bond
 TyrOH Gln155Oε1 H-bond
Arg156NH1 Water-mediated H-bond
 TyrO Asp74Oδ1 Water-mediated H-bond
Asn77Nδ2 H-bond
Ile8
 Ile Asn77, Lys146 vdW
Leu9
 Leu Asn77, Thr80, Tyr84, Tyr116, Ser143, Lys146 vdW
 LeuN Asn77Oδ1 H-bond
 LeuO Tyr84OH H-bond
Ser143 H-bond
 LeuOXT Lys146 H-bond
Asn77Oδ1 Water-mediated H-bond
Thr80Oγ1 Water-mediated H-bond
a

In molecule 1, not in molecule 2.

b

In molecule 2, not in molecule 1.