Structural features of residue 20 in chain A

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Electrostatic Interactions:
HIS A 13 ND1	ASP A 20 OD1	-1.612	INTRA-CHAIN
HIS A 13 NE2	ASP A 20 OD1	-1.662	INTRA-CHAIN
ASP A 20 OD1	HIS A 13 ND1	-1.612	INTRA-CHAIN
ASP A 20 OD1	ASP A 24 OD1	3.823	INTRA-CHAIN
ASP A 20 OD1	ASP A 24 OD2	3.883	INTRA-CHAIN
ASP A 20 OD1	GLU B 53 OE1	3.684	INTER-CHAIN
ASP A 20 OD1	ASP B 66 OD1	3.631	INTER-CHAIN
ASP A 20 OD1	ASP B 66 OD2	3.313	INTER-CHAIN
ASP A 20 OD1	ASP A 194 OD1	2.681	INTRA-CHAIN
ASP A 20 OD1	ASP A 194 OD2	2.863	INTRA-CHAIN
ASP A 20 OD2	HIS A 13 ND1	-1.890	INTRA-CHAIN
ASP A 20 OD2	ASP A 24 OD1	3.811	INTRA-CHAIN
ASP A 20 OD2	ASP A 24 OD2	3.874	INTRA-CHAIN
ASP A 20 OD2	GLU B 50 OE1	2.807	INTER-CHAIN
ASP A 20 OD2	GLU B 53 OE1	3.666	INTER-CHAIN
ASP A 20 OD2	ASP B 66 OD1	4.511	INTER-CHAIN
ASP A 20 OD2	ASP B 66 OD2	4.017	INTER-CHAIN
ASP A 20 OD2	ASP A 194 OD2	2.739	INTRA-CHAIN
ASP A 24 OD1	ASP A 20 OD1	3.823	INTRA-CHAIN
ASP A 24 OD1	ASP A 20 OD2	3.811	INTRA-CHAIN
ASP A 24 OD2	ASP A 20 OD1	3.883	INTRA-CHAIN
ASP A 24 OD2	ASP A 20 OD2	3.874	INTRA-CHAIN
ASP A 194 OD1	ASP A 20 OD1	2.681	INTRA-CHAIN
ASP A 194 OD2	ASP A 20 OD1	2.863	INTRA-CHAIN
ASP A 194 OD2	ASP A 20 OD2	2.739	INTRA-CHAIN
GLU B 50 OE1	ASP A 20 OD2	2.807	INTER-CHAIN
GLU B 50 OE2	ASP A 20 OD2	2.747	INTER-CHAIN
GLU B 53 OE1	ASP A 20 OD2	3.666	INTER-CHAIN
GLU B 53 OE2	ASP A 20 OD2	3.318	INTER-CHAIN
ASP B 66 OD1	ASP A 20 OD1	3.631	INTER-CHAIN
ASP B 66 OD1	ASP A 20 OD2	4.511	INTER-CHAIN
ASP B 66 OD2	ASP A 20 OD1	3.313	INTER-CHAIN
ASP B 66 OD2	ASP A 20 OD2	4.017	INTER-CHAIN

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Protrusion Index:
ASP A 20 N	0.09
ASP A 20 CA	0.16
ASP A 20 C	0.25
ASP A 20 O	0.21
ASP A 20 CB	0.23
ASP A 20 CG	0.53
ASP A 20 OD1	0.60
ASP A 20 OD2	0.62

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Salt bridges:
ASP A 20	ARG A 213	2.801	INTRA-CHAIN

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Van der Waal's Interactions:
THR A 16 CG2 122	ASP A 20 OD2 158	-0.022	INTRA-CHAIN
GLN A 17 NE2 131	ASP A 20 OD2 158	-0.015	INTRA-CHAIN
ASP A 20 OD2 158	THR A 23 CG2 186	-0.009	INTRA-CHAIN
ASP A 20 OD2 158	VAL B 54 CG2 2141	-0.019	INTER-CHAIN