Structural features of residue 20 in chain F

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Electrostatic Interactions:
ARG B 71 NH1	ARG F 20 NH1	6.523	INTER-CHAIN
ARG B 71 NH1	ARG F 20 NH2	5.558	INTER-CHAIN
ARG B 71 NH2	ARG F 20 NH1	6.815	INTER-CHAIN
ARG B 71 NH2	ARG F 20 NH2	6.306	INTER-CHAIN
HIS C 3 ND1	ARG F 20 NH1	3.847	INTER-CHAIN
HIS C 3 NE2	ARG F 20 NH1	3.090	INTER-CHAIN
ARG C 26 NH1	ARG F 20 NH1	3.440	INTER-CHAIN
ARG C 26 NH1	ARG F 20 NH2	4.173	INTER-CHAIN
ARG C 26 NH2	ARG F 20 NH1	3.614	INTER-CHAIN
ARG C 26 NH2	ARG F 20 NH2	4.461	INTER-CHAIN
ARG F 20 NH1	HIS C 3 NE2	3.090	INTER-CHAIN
ARG F 20 NH1	HIS F 21 NE2	2.819	INTRA-CHAIN
ARG F 20 NH1	ARG C 26 NH1	3.440	INTER-CHAIN
ARG F 20 NH1	ARG C 26 NH2	3.614	INTER-CHAIN
ARG F 20 NH1	ARG F 44 NH1	3.267	INTRA-CHAIN
ARG F 20 NH1	ARG F 44 NH2	3.344	INTRA-CHAIN
ARG F 20 NH1	HIS F 56 NE2	2.466	INTRA-CHAIN
ARG F 20 NH1	ARG B 71 NH1	6.523	INTER-CHAIN
ARG F 20 NH1	ARG B 71 NH2	6.815	INTER-CHAIN
ARG F 20 NH2	HIS C 3 NE2	3.741	INTER-CHAIN
ARG F 20 NH2	HIS F 21 NE2	2.685	INTRA-CHAIN
ARG F 20 NH2	ARG C 26 NH1	4.173	INTER-CHAIN
ARG F 20 NH2	ARG C 26 NH2	4.461	INTER-CHAIN
ARG F 20 NH2	ARG F 44 NH2	3.008	INTRA-CHAIN
ARG F 20 NH2	HIS F 56 NE2	2.136	INTRA-CHAIN
ARG F 20 NH2	ARG B 71 NH1	5.558	INTER-CHAIN
ARG F 20 NH2	ARG B 71 NH2	6.306	INTER-CHAIN
HIS F 21 ND1	ARG F 20 NH1	3.006	INTRA-CHAIN
HIS F 21 NE2	ARG F 20 NH1	2.819	INTRA-CHAIN
ARG F 44 NH1	ARG F 20 NH1	3.267	INTRA-CHAIN
ARG F 44 NH2	ARG F 20 NH1	3.344	INTRA-CHAIN
ARG F 44 NH2	ARG F 20 NH2	3.008	INTRA-CHAIN
HIS F 56 ND1	ARG F 20 NH1	2.357	INTRA-CHAIN
HIS F 56 NE2	ARG F 20 NH1	2.466	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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|        F|       69|      B|         R|       20|      F|
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Van der Waal's Interactions:
ALA C 2 CB 1349	ARG F 20 NH2 3596	-0.184	INTER-CHAIN
SER F 9 OG 3485	ARG F 20 NH2 3596	-0.008	INTRA-CHAIN
LYS F 11 NZ 3502	ARG F 20 NH2 3596	-0.104	INTRA-CHAIN
ARG F 20 NH2 3596	TRP F 54 CH2 3882	-0.028	INTRA-CHAIN