Structural features of residue 21 in chain B

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Electrostatic Interactions:
GLU A 53 OE1	LYS B 21 NZ	-1.141	INTER-CHAIN
GLU A 53 OE2	LYS B 21 NZ	-1.277	INTER-CHAIN
LYS A 61 NZ	LYS B 21 NZ	0.830	INTER-CHAIN
LYS B 21 NZ	GLU A 53 OE2	-1.277	INTER-CHAIN
LYS B 21 NZ	LYS A 61 NZ	0.830	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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|        K|       21|      B|         E|       55|      A|
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Protrusion Index:
LYS B 21 N	0.34
LYS B 21 CA	0.52
LYS B 21 C	0.65
LYS B 21 O	0.68
LYS B 21 CB	0.62
LYS B 21 CG	0.84
LYS B 21 CD	0.91
LYS B 21 CE	1.17
LYS B 21 NZ	1.40

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Salt bridges:
ASP B 20	LYS B 21	2.870	INTRA-CHAIN

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Van der Waal's Interactions:
LYS B 21 NZ 1863	TYR B 22 OH 1875	-0.012	INTRA-CHAIN
LYS B 21 NZ 1863	PRO A 57 CD 468	-0.010	INTER-CHAIN
LYS B 21 NZ 1863	GLY A 59 O 480	-0.015	INTER-CHAIN