Structural features of residue 30 in chain B

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Electrostatic Interactions:
ASP A 138 OD1	HIS B 30 ND1	-2.088	INTER-CHAIN
ASP A 138 OD2	HIS B 30 ND1	-1.900	INTER-CHAIN
HIS B 26 ND1	HIS B 30 ND1	0.892	INTRA-CHAIN
HIS B 26 ND1	HIS B 30 NE2	1.949	INTRA-CHAIN
HIS B 26 NE2	HIS B 30 ND1	0.918	INTRA-CHAIN
HIS B 26 NE2	HIS B 30 NE2	1.976	INTRA-CHAIN
ARG B 27 NH1	HIS B 30 NE2	3.309	INTRA-CHAIN
ARG B 27 NH2	HIS B 30 NE2	3.513	INTRA-CHAIN
HIS B 30 ND1	HIS B 26 ND1	0.892	INTRA-CHAIN
HIS B 30 ND1	HIS B 26 NE2	2.065	INTRA-CHAIN
HIS B 30 ND1	ARG B 27 NH1	2.873	INTRA-CHAIN
HIS B 30 ND1	HIS B 51 ND1	0.682	INTRA-CHAIN
HIS B 30 ND1	ARG B 120 NH1	2.152	INTRA-CHAIN
HIS B 30 ND1	ASP A 138 OD1	-2.088	INTER-CHAIN
HIS B 30 NE2	HIS B 26 ND1	0.866	INTRA-CHAIN
HIS B 30 NE2	HIS B 26 NE2	1.976	INTRA-CHAIN
HIS B 30 NE2	ARG B 27 NH1	3.309	INTRA-CHAIN
HIS B 30 NE2	ARG B 120 NH1	2.282	INTRA-CHAIN
HIS B 30 NE2	ASP A 138 OD1	-2.595	INTER-CHAIN
HIS B 51 ND1	HIS B 30 ND1	0.682	INTRA-CHAIN
ARG B 120 NH1	HIS B 30 NE2	2.282	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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|        S|      137|      A|         H|       30|      B|
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Protrusion Index:
HIS B 30 N	0.71
HIS B 30 CA	0.63
HIS B 30 C	0.56
HIS B 30 O	0.48
HIS B 30 CB	0.39
HIS B 30 CG	0.41
HIS B 30 ND1	0.59
HIS B 30 CD2	0.39
HIS B 30 CE1	0.59
HIS B 30 NE2	0.51

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Van der Waal's Interactions:
PHE B 9 CZ 1074	HIS B 30 NE2 1230	-0.041	INTRA-CHAIN
LEU B 25 CD2 1187	HIS B 30 NE2 1230	-0.051	INTRA-CHAIN
MET B 28 CE 1216	HIS B 30 NE2 1230	-0.084	INTRA-CHAIN
GLY B 29 O 1220	HIS B 30 NE2 1230	-0.077	INTRA-CHAIN
HIS B 30 NE2 1230	SER A 137 OG 1028	-1.384	INTER-CHAIN