Structural features of residue 21 in chain B

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        K|        8|      A|         D|       21|      B|
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Protrusion Index:
ASP B 21 N	1.71
ASP B 21 CA	2.06
ASP B 21 C	1.78
ASP B 21 O	1.57
ASP B 21 CB	3.43

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Salt bridges:
LYS A 8	ASP B 21	2.861	INTER-CHAIN

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Van der Waal's Interactions:
LYS A 8 NZ 786	ASP B 21 CB 176	-0.125	INTER-CHAIN
GLU B 20 CB 171	ASP B 21 CB 176	-0.041	INTRA-CHAIN
ASP B 21 CB 176	ASP B 22 CB 181	-0.065	INTRA-CHAIN
ASP B 21 CB 176	GLU A 79 OE2 1340	-0.011	INTER-CHAIN