Structural features of residue 139 in chain B
D1	HIS B 139 ND1	-1.540	INTER-CHAIN
ASP A 111 OD2	HIS B 139 ND1	-1.614	INTER-CHAIN
ARG B 54 NH1	HIS B 139 NE2	2.207	INTRA-CHAIN
ARG B 54 NH2	HIS B 139 NE2	2.569	INTRA-CHAIN
HIS B 65 ND1	HIS B 139 ND1	0.950	INTRA-CHAIN
HIS B 65 ND1	HIS B 139 NE2	1.811	INTRA-CHAIN
HIS B 65 NE2	HIS B 139 ND1	1.019	INTRA-CHAIN
HIS B 65 NE2	HIS B 139 NE2	1.899	INTRA-CHAIN
ASP B 79 OD1	HIS B 139 ND1	-2.044	INTRA-CHAIN
ASP B 79 OD2	HIS B 139 ND1	-2.079	INTRA-CHAIN
HIS B 139 ND1	ARG B 54 NH1	2.196	INTRA-CHAIN
HIS B 139 ND1	HIS B 65 ND1	0.950	INTRA-CHAIN
HIS B 139 ND1	HIS B 65 NE2	2.292	INTRA-CHAIN
HIS B 139 ND1	ASP B 79 OD1	-2.044	INTRA-CHAIN
HIS B 139 ND1	ASP A 111 OD1	-1.540	INTER-CHAIN
HIS B 139 NE2	ARG B 54 NH1	2.207	INTRA-CHAIN
HIS B 139 NE2	HIS B 65 ND1	0.805	INTRA-CHAIN
HIS B 139 NE2	HIS B 65 NE2	1.899	INTRA-CHAIN
HIS B 139 NE2	ASP B 79 OD1	-1.678	INTRA-CHAIN
HIS B 139 NE2	ASP A 111 OD1	-1.651	INTER-CHAIN

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Protrusion Index:
HIS B 139 N	0.71
HIS B 139 CA	0.47
HIS B 139 C	0.36
HIS B 139 O	0.29
HIS B 139 CB	0.34
HIS B 139 CG	0.48
HIS B 139 ND1	0.50
HIS B 139 CD2	0.64
HIS B 139 CE1	0.64
HIS B 139 NE2	0.71

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Salt bridges:
LYS B 138	HIS B 139	2.807	INTRA-CHAIN

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Van der Waal's Interactions:
TYR A 113 OH 2907	HIS B 139 NE2 750	-0.156	INTER-CHAIN
VAL B 132 CG2 691	HIS B 139 NE2 750	-0.029	INTRA-CHAIN
ALA B 135 CB 715	HIS B 139 NE2 750	-0.015	INTRA-CHAIN
THR B 136 CG2 722	HIS B 139 NE2 750	-0.052	INTRA-CHAIN
HIS B 139 NE2 750	TYR B 143 OH 788	-0.013	INTRA-CHAIN