Structural features of residue 21 in chain A

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Electrostatic Interactions:
HIS A 15 ND1	ASP A 21 OD1	-3.826	INTRA-CHAIN
HIS A 15 NE2	ASP A 21 OD1	-3.876	INTRA-CHAIN
GLU A 17 OE1	ASP A 21 OD2	5.452	INTRA-CHAIN
GLU A 17 OE2	ASP A 21 OD2	4.891	INTRA-CHAIN
ASP A 21 OD1	HIS A 15 ND1	-3.826	INTRA-CHAIN
ASP A 21 OD1	GLU A 17 OE1	6.022	INTRA-CHAIN
ASP A 21 OD1	GLU A 26 OE1	3.040	INTRA-CHAIN
ASP A 21 OD1	GLU A 29 OE1	3.089	INTRA-CHAIN
ASP A 21 OD1	GLU B 38 OE1	5.133	INTER-CHAIN
ASP A 21 OD2	HIS A 15 ND1	-2.976	INTRA-CHAIN
ASP A 21 OD2	GLU A 17 OE1	5.452	INTRA-CHAIN
ASP A 21 OD2	GLU A 26 OE1	3.186	INTRA-CHAIN
ASP A 21 OD2	GLU A 29 OE1	2.899	INTRA-CHAIN
ASP A 21 OD2	GLU B 38 OE1	4.631	INTER-CHAIN
ASP A 21 OD2	GLU A 67 OE1	2.751	INTRA-CHAIN
GLU A 26 OE1	ASP A 21 OD2	3.186	INTRA-CHAIN
GLU A 26 OE2	ASP A 21 OD2	3.220	INTRA-CHAIN
GLU A 29 OE1	ASP A 21 OD2	2.899	INTRA-CHAIN
GLU A 67 OE1	ASP A 21 OD2	2.751	INTRA-CHAIN
GLU A 67 OE2	ASP A 21 OD2	2.690	INTRA-CHAIN
GLU B 38 OE1	ASP A 21 OD2	4.631	INTER-CHAIN
GLU B 38 OE2	ASP A 21 OD2	5.439	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|       41|      B|         D|       21|      A|
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Protrusion Index:
ASP A 21 N	0.19
ASP A 21 CA	0.11
ASP A 21 C	0.16
ASP A 21 O	0.11
ASP A 21 CB	0.23
ASP A 21 CG	0.23
ASP A 21 OD1	0.14
ASP A 21 OD2	0.26

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Van der Waal's Interactions:
LEU A 14 CD2 85	ASP A 21 OD2 138	-0.053	INTRA-CHAIN
HIS A 15 NE2 95	ASP A 21 OD2 138	-0.011	INTRA-CHAIN
PRO A 16 CD 102	ASP A 21 OD2 138	-0.011	INTRA-CHAIN
LYS A 18 NZ 120	ASP A 21 OD2 138	-0.028	INTRA-CHAIN
ALA A 19 CB 125	ASP A 21 OD2 138	-0.011	INTRA-CHAIN
ALA A 20 CB 130	ASP A 21 OD2 138	-0.243	INTRA-CHAIN
ASP A 21 OD2 138	ARG B 41 NH2 1022	-2.053	INTER-CHAIN
ASP A 21 OD2 138	ILE B 45 CD1 1054	-0.107	INTER-CHAIN
ASP A 21 OD2 138	THR A 62 CG2 465	-0.042	INTRA-CHAIN