Table 1. Residues related to antigen–antibody binding.

TRAIL-R2					KMTR2
epitope	residue	atom	distance		atom	residue	CDR	chain
1	Ilu87	Cγ2	3.73		Cβ	Trp94	3	L
	Glu89	O	2.96	h	Nε1	Trp50	2	H
		Cδ	3.89		Cε	Lys33	1
		Oε1	3.07	h	Nζ
			2.72	h	N	Gly103	3
		Oε2	3.24	h	Nζ	Lys33	1
			water mediated	h	Nε1	Trp50	2
			water mediated	h	N	Asn52
			water mediated	h	Oγ	Ser57
	Asp90	N	water mediated	h	O	Thr58
		Cβ	3.84		Cα	Gly59
		C	3.91		Cε2	Trp94	3	L
	Gly91	Cα	3.61		Cδ1
2	Asp102	Oδ2	2.97	h	Nη1	Arg107	3	H
			water mediated	h	Nη2
	His106	Nε2	water mediated	h	Nε2	Gln27	1	L
			water mediated	h	Nδ2	Asm93	3
	Asp109	N	water mediated	h
		O	2.85	h	N	Trp94
		Oδ1	2.65	h	Nδ2	Asn93
		Oδ2	water mediated	h	O	Trp94
			water mediated	h	N	Glu1	─
	Leu111	N	2.87	h	O	Ser92	3
		Cβ	3.96		Cε1	Tyr106	3	H
		Cδ1	3.82		Cβ	Trp94	3	L
		Cδ2	3.67		C	Asn93
			3.70		Cδ1	Leu96
	Phe112	Cδ1	3.71		Cδ1	Tyr106	3	H
			3.55		Cβ	Arg107
		Cε2	3.52		Cε1	Tyr32	1	L
		Cζ	3.73		Cα	Ser92	3
	Cys113	O	2.78	h	Nη1	Arg107	3	H
	Arg115	N	water mediated	h	Oη	Tyr32	1	L
		Cγ	3.27		Cζ	Arg107	3	H
		Nη1	3.24	h	Oδ2	Arg108
			water mediated	h	Oη	Tyr32	1	L
			water mediated	h	O	Arg107	3	H

h: hydrogen bond (within 3.6 Å between donor and acceptor).