Structural features of residue 40 in chain A

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Electrostatic Interactions:
HIS A 14 ND1	HIS A 40 ND1	0.764	INTRA-CHAIN
HIS A 14 ND1	HIS A 40 NE2	1.824	INTRA-CHAIN
HIS A 14 NE2	HIS A 40 ND1	0.884	INTRA-CHAIN
HIS A 14 NE2	HIS A 40 NE2	2.163	INTRA-CHAIN
ARG A 30 NH1	HIS A 40 NE2	2.238	INTRA-CHAIN
ASP A 38 OD1	HIS A 40 ND1	-2.459	INTRA-CHAIN
ASP A 38 OD2	HIS A 40 ND1	-2.483	INTRA-CHAIN
HIS A 40 ND1	HIS A 14 ND1	0.764	INTRA-CHAIN
HIS A 40 ND1	HIS A 14 NE2	1.989	INTRA-CHAIN
HIS A 40 ND1	ARG A 30 NH1	2.465	INTRA-CHAIN
HIS A 40 ND1	ASP A 38 OD1	-2.459	INTRA-CHAIN
HIS A 40 ND1	ARG A 73 NH1	3.322	INTRA-CHAIN
HIS A 40 NE2	HIS A 14 ND1	0.811	INTRA-CHAIN
HIS A 40 NE2	HIS A 14 NE2	2.163	INTRA-CHAIN
HIS A 40 NE2	ARG A 30 NH1	2.238	INTRA-CHAIN
HIS A 40 NE2	ASP A 38 OD1	-3.002	INTRA-CHAIN
HIS A 40 NE2	ARG A 73 NH1	2.922	INTRA-CHAIN
ARG A 73 NH1	HIS A 40 NE2	2.922	INTRA-CHAIN
ARG A 73 NH2	HIS A 40 NE2	2.473	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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|        H|       40|      A|         S|       79|      B|
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Protrusion Index:
HIS A 40 N	0.05
HIS A 40 CA	0.02
HIS A 40 C	-0.06
HIS A 40 O	-0.11
HIS A 40 CB	0.10
HIS A 40 CG	0.18
HIS A 40 ND1	0.30
HIS A 40 CD2	0.34
HIS A 40 CE1	0.53
HIS A 40 NE2	0.53

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Van der Waal's Interactions:
THR A 33 CG2 279	HIS A 40 NE2 333	-0.055	INTRA-CHAIN
ASP A 38 OD2 319	HIS A 40 NE2 333	-0.008	INTRA-CHAIN
GLY A 39 O 323	HIS A 40 NE2 333	-0.414	INTRA-CHAIN
HIS A 40 NE2 333	ASN B 81 ND2 1784	-0.031	INTER-CHAIN