Structural features of residue 21 in chain A

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Electrostatic Interactions:
GLU A 6 OE2	ASP A 21 OD2	2.694	INTRA-CHAIN
HIS A 18 ND1	ASP A 21 OD1	-1.948	INTRA-CHAIN
HIS A 18 NE2	ASP A 21 OD1	-1.654	INTRA-CHAIN
ASP A 21 OD1	HIS A 18 ND1	-1.948	INTRA-CHAIN
ASP A 21 OD1	ASP B 61 OD1	3.431	INTER-CHAIN
ASP A 21 OD1	ASP B 61 OD2	2.953	INTER-CHAIN
ASP A 21 OD1	GLU B 62 OE1	3.557	INTER-CHAIN
ASP A 21 OD1	ASP B 127 OD1	5.134	INTER-CHAIN
ASP A 21 OD1	ASP B 127 OD2	5.053	INTER-CHAIN
ASP A 21 OD1	ASP B 133 OD2	2.798	INTER-CHAIN
ASP A 21 OD2	HIS A 18 ND1	-1.742	INTRA-CHAIN
ASP A 21 OD2	ASP B 61 OD1	3.471	INTER-CHAIN
ASP A 21 OD2	ASP B 61 OD2	3.008	INTER-CHAIN
ASP A 21 OD2	GLU B 62 OE1	3.902	INTER-CHAIN
ASP A 21 OD2	GLU B 108 OE1	2.758	INTER-CHAIN
ASP A 21 OD2	GLU B 124 OE1	2.832	INTER-CHAIN
ASP A 21 OD2	ASP B 127 OD1	4.517	INTER-CHAIN
ASP A 21 OD2	ASP B 127 OD2	4.585	INTER-CHAIN
ASP B 61 OD1	ASP A 21 OD1	3.431	INTER-CHAIN
ASP B 61 OD1	ASP A 21 OD2	3.471	INTER-CHAIN
ASP B 61 OD2	ASP A 21 OD1	2.953	INTER-CHAIN
ASP B 61 OD2	ASP A 21 OD2	3.008	INTER-CHAIN
GLU B 62 OE1	ASP A 21 OD2	3.902	INTER-CHAIN
GLU B 62 OE2	ASP A 21 OD2	3.438	INTER-CHAIN
GLU B 108 OE1	ASP A 21 OD2	2.758	INTER-CHAIN
GLU B 108 OE2	ASP A 21 OD2	3.123	INTER-CHAIN
GLU B 124 OE1	ASP A 21 OD2	2.832	INTER-CHAIN
GLU B 124 OE2	ASP A 21 OD2	3.063	INTER-CHAIN
ASP B 127 OD1	ASP A 21 OD1	5.134	INTER-CHAIN
ASP B 127 OD1	ASP A 21 OD2	4.517	INTER-CHAIN
ASP B 127 OD2	ASP A 21 OD1	5.053	INTER-CHAIN
ASP B 127 OD2	ASP A 21 OD2	4.585	INTER-CHAIN
ASP B 133 OD2	ASP A 21 OD1	2.798	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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|        T|       65|      B|         D|       21|      A|
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|        S|      103|      B|         D|       21|      A|
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Protrusion Index:
ASP A 21 N	0.45
ASP A 21 CA	0.41
ASP A 21 C	0.56
ASP A 21 O	0.78
ASP A 21 CB	0.41
ASP A 21 CG	0.34
ASP A 21 OD1	0.26
ASP A 21 OD2	0.35

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Van der Waal's Interactions:
GLY A 20 O 174	ASP A 21 OD2 182	-0.020	INTRA-CHAIN
ASP A 21 OD2 182	GLY B 63 O 2774	-0.044	INTER-CHAIN
ASP A 21 OD2 182	ILE B 64 CD1 2782	-0.455	INTER-CHAIN
ASP A 21 OD2 182	SER B 103 OG 3057	-2.359	INTER-CHAIN
ASP A 21 OD2 182	SER B 105 OG 3072	-0.165	INTER-CHAIN