Structural features of residue 121 in chain A

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Electrostatic Interactions:
ARG A 121 NH1	HIS B 127 NE2	2.272	INTER-CHAIN
ARG A 121 NH1	HIS A 129 NE2	2.155	INTRA-CHAIN
ARG A 121 NH1	HIS B 270 NE2	2.126	INTER-CHAIN
ARG A 121 NH1	HIS A 341 NE2	3.926	INTRA-CHAIN
ARG A 121 NH1	HIS B 341 NE2	3.529	INTER-CHAIN
ARG A 121 NH2	HIS B 127 NE2	2.132	INTER-CHAIN
ARG A 121 NH2	HIS A 129 NE2	2.423	INTRA-CHAIN
ARG A 121 NH2	HIS A 341 NE2	4.109	INTRA-CHAIN
ARG A 121 NH2	HIS B 341 NE2	2.815	INTER-CHAIN
HIS A 129 ND1	ARG A 121 NH1	2.409	INTRA-CHAIN
HIS A 129 NE2	ARG A 121 NH1	2.155	INTRA-CHAIN
HIS A 341 ND1	ARG A 121 NH1	3.797	INTRA-CHAIN
HIS A 341 NE2	ARG A 121 NH1	3.926	INTRA-CHAIN
HIS B 127 ND1	ARG A 121 NH1	2.500	INTER-CHAIN
HIS B 127 NE2	ARG A 121 NH1	2.272	INTER-CHAIN
HIS B 270 NE2	ARG A 121 NH1	2.126	INTER-CHAIN
HIS B 341 ND1	ARG A 121 NH1	3.047	INTER-CHAIN
HIS B 341 NE2	ARG A 121 NH1	3.529	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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|        R|      121|      A|         D|      281|      B|
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Protrusion Index:
ARG A 121 N	0.11
ARG A 121 CA	0.16
ARG A 121 C	0.07
ARG A 121 O	0.04
ARG A 121 CB	0.16
ARG A 121 CG	0.14
ARG A 121 CD	0.17
ARG A 121 NE	0.11
ARG A 121 CZ	0.11
ARG A 121 NH1	0.14
ARG A 121 NH2	0.05

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Van der Waal's Interactions:
ARG A 121 NH2 678	GLY B 154 O 3592	-0.022	INTER-CHAIN
ARG A 121 NH2 678	VAL B 155 CG2 3599	-0.014	INTER-CHAIN
ARG A 121 NH2 678	GLY B 241 O 4285	-0.008	INTER-CHAIN
ARG A 121 NH2 678	GLU A 349 OE2 2498	-0.036	INTRA-CHAIN