Structural features of residue 30 in chain A

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Electrostatic Interactions:
HIS A 26 ND1	HIS A 30 ND1	0.992	INTRA-CHAIN
HIS A 26 ND1	HIS A 30 NE2	2.085	INTRA-CHAIN
HIS A 26 NE2	HIS A 30 ND1	0.849	INTRA-CHAIN
HIS A 26 NE2	HIS A 30 NE2	1.831	INTRA-CHAIN
ARG A 27 NH1	HIS A 30 NE2	3.521	INTRA-CHAIN
ARG A 27 NH2	HIS A 30 NE2	2.923	INTRA-CHAIN
HIS A 30 ND1	HIS A 26 ND1	0.992	INTRA-CHAIN
HIS A 30 ND1	HIS A 26 NE2	1.909	INTRA-CHAIN
HIS A 30 ND1	ARG A 27 NH1	3.035	INTRA-CHAIN
HIS A 30 ND1	HIS A 51 NE2	1.506	INTRA-CHAIN
HIS A 30 ND1	ASP B 138 OD1	-2.188	INTER-CHAIN
HIS A 30 NE2	HIS A 26 ND1	0.926	INTRA-CHAIN
HIS A 30 NE2	HIS A 26 NE2	1.831	INTRA-CHAIN
HIS A 30 NE2	ARG A 27 NH1	3.521	INTRA-CHAIN
HIS A 30 NE2	ASP B 138 OD1	-2.773	INTER-CHAIN
HIS A 51 NE2	HIS A 30 ND1	0.670	INTRA-CHAIN
ASP B 138 OD1	HIS A 30 ND1	-2.188	INTER-CHAIN
ASP B 138 OD2	HIS A 30 ND1	-1.775	INTER-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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|        H|       30|      A|         S|      137|      B|
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Protrusion Index:
HIS A 30 N	0.63
HIS A 30 CA	0.56
HIS A 30 C	0.48
HIS A 30 O	0.46
HIS A 30 CB	0.34
HIS A 30 CG	0.42
HIS A 30 ND1	0.62
HIS A 30 CD2	0.43
HIS A 30 CE1	0.62
HIS A 30 NE2	0.64

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Van der Waal's Interactions:
GLY A 29 O 175	HIS A 30 NE2 185	-0.027	INTRA-CHAIN