Structural features of residue 21 in chain A

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Protrusion Index:
ARG A 21 N	0.63
ARG A 21 C	0.81
ARG A 21 O	0.95

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Salt bridges:
ARG A 20	ARG A 21	2.882	INTRA-CHAIN

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Van der Waal's Interactions:
ARG A 21 O 171	VAL A 22 CG2 192	-0.100	INTRA-CHAIN
ARG A 21 O 171	THR A 23 CG2 199	-0.053	INTRA-CHAIN
ARG A 21 O 171	ASP A 24 OD2 207	-0.091	INTRA-CHAIN
ARG A 21 O 171	ARG A 254 NH2 1913	-0.573	INTRA-CHAIN
ARG A 21 O 171	GLU A 258 OE2 1946	-0.021	INTRA-CHAIN
ARG A 21 O 171	GLU A 259 OE2 1955	-0.078	INTRA-CHAIN