Structural features of residue 18 in chain A

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Electrostatic Interactions:
ARG A 17 NH1	ARG A 18 NH1	4.711	INTRA-CHAIN
ARG A 17 NH1	ARG A 18 NH2	3.991	INTRA-CHAIN
ARG A 17 NH2	ARG A 18 NH1	5.423	INTRA-CHAIN
ARG A 17 NH2	ARG A 18 NH2	4.415	INTRA-CHAIN
ARG A 18 NH1	ARG B 7 NH1	3.543	INTER-CHAIN
ARG A 18 NH1	ARG B 7 NH2	3.531	INTER-CHAIN
ARG A 18 NH1	ARG B 17 NH1	3.868	INTER-CHAIN
ARG A 18 NH1	ARG B 17 NH2	4.815	INTER-CHAIN
ARG A 18 NH1	ARG A 17 NH1	4.711	INTRA-CHAIN
ARG A 18 NH1	ARG A 17 NH2	5.423	INTRA-CHAIN
ARG A 18 NH1	ARG A 19 NH1	4.692	INTRA-CHAIN
ARG A 18 NH1	ARG A 19 NH2	3.903	INTRA-CHAIN
ARG A 18 NH1	HIS A 48 NE2	2.991	INTRA-CHAIN
ARG A 18 NH2	ARG B 7 NH1	4.203	INTER-CHAIN
ARG A 18 NH2	ARG B 7 NH2	4.202	INTER-CHAIN
ARG A 18 NH2	ARG B 17 NH1	3.880	INTER-CHAIN
ARG A 18 NH2	ARG B 17 NH2	4.783	INTER-CHAIN
ARG A 18 NH2	ARG A 17 NH1	3.991	INTRA-CHAIN
ARG A 18 NH2	ARG A 17 NH2	4.415	INTRA-CHAIN
ARG A 18 NH2	ARG A 19 NH1	5.129	INTRA-CHAIN
ARG A 18 NH2	ARG A 19 NH2	4.222	INTRA-CHAIN
ARG A 18 NH2	HIS A 48 NE2	2.759	INTRA-CHAIN
ARG A 19 NH1	ARG A 18 NH1	4.692	INTRA-CHAIN
ARG A 19 NH1	ARG A 18 NH2	5.129	INTRA-CHAIN
ARG A 19 NH2	ARG A 18 NH1	3.903	INTRA-CHAIN
ARG A 19 NH2	ARG A 18 NH2	4.222	INTRA-CHAIN
HIS A 48 ND1	ARG A 18 NH1	3.172	INTRA-CHAIN
HIS A 48 NE2	ARG A 18 NH1	2.991	INTRA-CHAIN
ARG B 7 NH1	ARG A 18 NH1	3.543	INTER-CHAIN
ARG B 7 NH1	ARG A 18 NH2	4.203	INTER-CHAIN
ARG B 7 NH2	ARG A 18 NH1	3.531	INTER-CHAIN
ARG B 7 NH2	ARG A 18 NH2	4.202	INTER-CHAIN
ARG B 17 NH1	ARG A 18 NH1	3.868	INTER-CHAIN
ARG B 17 NH1	ARG A 18 NH2	3.880	INTER-CHAIN
ARG B 17 NH2	ARG A 18 NH1	4.815	INTER-CHAIN
ARG B 17 NH2	ARG A 18 NH2	4.783	INTER-CHAIN
HIS B 48 ND1	ARG A 18 NH1	2.181	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|       18|      A|         N|        6|      B|
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|        R|       18|      A|         D|       10|      B|
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Protrusion Index:
ARG A 18 N	0.13
ARG A 18 CA	0.08
ARG A 18 C	0.11
ARG A 18 O	0.13
ARG A 18 CB	0.11
ARG A 18 CG	0.08
ARG A 18 CD	0.06
ARG A 18 NE	0.20
ARG A 18 CZ	0.25
ARG A 18 NH1	0.24
ARG A 18 NH2	0.41

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Salt bridges:
ARG A 18	ARG A 19	2.801	INTRA-CHAIN