Structural features of residue 30 in chain A

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Electrostatic Interactions:
HIS A 26 ND1	HIS A 30 ND1	0.916	INTRA-CHAIN
HIS A 26 ND1	HIS A 30 NE2	2.027	INTRA-CHAIN
HIS A 26 NE2	HIS A 30 ND1	0.898	INTRA-CHAIN
HIS A 26 NE2	HIS A 30 NE2	1.930	INTRA-CHAIN
ARG A 27 NH1	HIS A 30 NE2	3.454	INTRA-CHAIN
ARG A 27 NH2	HIS A 30 NE2	3.811	INTRA-CHAIN
HIS A 30 ND1	HIS A 26 ND1	0.916	INTRA-CHAIN
HIS A 30 ND1	HIS A 26 NE2	2.020	INTRA-CHAIN
HIS A 30 ND1	ARG A 27 NH1	2.978	INTRA-CHAIN
HIS A 30 ND1	ASP B 138 OD1	-2.119	INTER-CHAIN
HIS A 30 NE2	HIS A 26 ND1	0.901	INTRA-CHAIN
HIS A 30 NE2	HIS A 26 NE2	1.930	INTRA-CHAIN
HIS A 30 NE2	ARG A 27 NH1	3.454	INTRA-CHAIN
HIS A 30 NE2	ASP B 138 OD1	-2.619	INTER-CHAIN
ASP B 138 OD1	HIS A 30 ND1	-2.119	INTER-CHAIN
ASP B 138 OD2	HIS A 30 ND1	-1.729	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	0.67
HIS A 30 CA	0.53
HIS A 30 C	0.45
HIS A 30 O	0.41
HIS A 30 CB	0.35
HIS A 30 CG	0.41
HIS A 30 ND1	0.57
HIS A 30 CD2	0.34
HIS A 30 CE1	0.57
HIS A 30 NE2	0.43

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Van der Waal's Interactions:
GLY A 29 O 180	HIS A 30 NE2 190	-0.027	INTRA-CHAIN