Structural features of residue 21 in chain A

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Electrostatic Interactions:
GLU A 13 OE1	LYS A 21 NZ	-1.070	INTRA-CHAIN
GLU A 13 OE2	LYS A 21 NZ	-1.104	INTRA-CHAIN
LYS A 21 NZ	GLU A 13 OE2	-1.104	INTRA-CHAIN
LYS A 21 NZ	GLU A 23 OE2	-1.158	INTRA-CHAIN
LYS A 21 NZ	LYS B 27 NZ	0.531	INTER-CHAIN
LYS A 21 NZ	LYS B 65 NZ	0.436	INTER-CHAIN
LYS A 21 NZ	GLU A 93 OE2	-2.957	INTRA-CHAIN
LYS A 21 NZ	LYS A 95 NZ	0.526	INTRA-CHAIN
LYS A 21 NZ	GLU A 137 OE2	-1.260	INTRA-CHAIN
GLU A 23 OE2	LYS A 21 NZ	-1.158	INTRA-CHAIN
GLU A 93 OE1	LYS A 21 NZ	-2.427	INTRA-CHAIN
GLU A 93 OE2	LYS A 21 NZ	-2.957	INTRA-CHAIN
LYS A 95 NZ	LYS A 21 NZ	0.526	INTRA-CHAIN
GLU A 137 OE1	LYS A 21 NZ	-1.230	INTRA-CHAIN
GLU A 137 OE2	LYS A 21 NZ	-1.260	INTRA-CHAIN
LYS B 27 NZ	LYS A 21 NZ	0.531	INTER-CHAIN
LYS B 65 NZ	LYS A 21 NZ	0.436	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|       27|      B|         K|       21|      A|
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Protrusion Index:
LYS A 21 N	0.03
LYS A 21 CA	0.13
LYS A 21 C	0.18
LYS A 21 O	0.19
LYS A 21 CB	0.06
LYS A 21 CG	-0.03
LYS A 21 CD	-0.10
LYS A 21 CE	-0.07
LYS A 21 NZ	-0.10

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Van der Waal's Interactions:
ALA A 15 CB 92	LYS A 21 NZ 136	-0.012	INTRA-CHAIN
GLY A 20 O 127	LYS A 21 NZ 136	-0.007	INTRA-CHAIN
LYS A 21 NZ 136	VAL B 28 CG2 2986	-0.014	INTER-CHAIN
LYS A 21 NZ 136	ALA B 39 CB 3068	-0.069	INTER-CHAIN
LYS A 21 NZ 136	VAL B 44 CG2 3105	-0.269	INTER-CHAIN
LYS A 21 NZ 136	VAL B 47 CG2 3123	-0.020	INTER-CHAIN
LYS A 21 NZ 136	PRO A 90 CD 633	-0.010	INTRA-CHAIN
LYS A 21 NZ 136	VAL A 91 CG2 640	-0.009	INTRA-CHAIN
LYS A 21 NZ 136	GLU A 93 OE2 657	-0.041	INTRA-CHAIN
LYS A 21 NZ 136	GLY A 94 O 661	-0.020	INTRA-CHAIN
LYS A 21 NZ 136	ALA A 97 CB 680	-0.009	INTRA-CHAIN