Structural features of residue 254 in chain Y

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Electrostatic Interactions:
ASP X 39 OD1	HIS Y 254 ND1	-1.388	INTER-CHAIN
ASP X 39 OD2	HIS Y 254 ND1	-1.624	INTER-CHAIN
ASP X 107 OD1	HIS Y 254 ND1	-1.486	INTER-CHAIN
ARG X 112 NH1	HIS Y 254 NE2	2.275	INTER-CHAIN
ARG X 112 NH2	HIS Y 254 NE2	2.692	INTER-CHAIN
HIS Y 254 ND1	ASP X 39 OD1	-1.388	INTER-CHAIN
HIS Y 254 ND1	ASP X 107 OD1	-1.486	INTER-CHAIN
HIS Y 254 ND1	ARG X 112 NH1	2.181	INTER-CHAIN
HIS Y 254 ND1	ARG Y 256 NH1	2.458	INTRA-CHAIN
HIS Y 254 NE2	ASP X 39 OD1	-1.489	INTER-CHAIN
HIS Y 254 NE2	ASP X 107 OD1	-1.346	INTER-CHAIN
HIS Y 254 NE2	ARG X 112 NH1	2.275	INTER-CHAIN
HIS Y 254 NE2	ARG Y 256 NH1	2.653	INTRA-CHAIN
ARG Y 256 NH1	HIS Y 254 NE2	2.653	INTRA-CHAIN
ARG Y 256 NH2	HIS Y 254 NE2	2.358	INTRA-CHAIN

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        T|       74|      X|         H|      254|      Y|
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Protrusion Index:
HIS Y 254 N	0.06
HIS Y 254 CA	0.16
HIS Y 254 C	0.21
HIS Y 254 O	0.17
HIS Y 254 CB	0.16
HIS Y 254 CG	0.17
HIS Y 254 ND1	0.01
HIS Y 254 CD2	0.22
HIS Y 254 CE1	0.01
HIS Y 254 NE2	0.15

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Van der Waal's Interactions:
SER X 71 OG 557	HIS Y 254 NE2 1401	-0.031	INTER-CHAIN
SER X 73 OG 572	HIS Y 254 NE2 1401	-0.009	INTER-CHAIN
THR X 74 CG2 579	HIS Y 254 NE2 1401	-0.015	INTER-CHAIN
HIS Y 254 NE2 1401	THR Y 261 CG2 1461	-0.089	INTRA-CHAIN