Structural features of residue 21 in chain A

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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|      255|      B|         Q|       21|      A|
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Protrusion Index:
GLN A 21 N	0.07
GLN A 21 CA	0.04
GLN A 21 C	0.03
GLN A 21 O	0.03
GLN A 21 CB	0.07
GLN A 21 CG	0.07
GLN A 21 CD	0.07
GLN A 21 OE1	0.15
GLN A 21 NE2	0.09

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Van der Waal's Interactions:
GLU A 17 OE2 114	GLN A 21 NE2 146	-0.016	INTRA-CHAIN
GLN A 21 NE2 146	TYR A 39 OH 278	-0.064	INTRA-CHAIN
GLN A 21 NE2 146	THR A 222 CG2 1630	-0.415	INTRA-CHAIN
GLN A 21 NE2 146	ALA A 233 CB 1712	-0.029	INTRA-CHAIN
GLN A 21 NE2 146	TYR A 235 OH 1732	-1.110	INTRA-CHAIN
GLN A 21 NE2 146	LEU B 254 CD2 4084	-0.038	INTER-CHAIN
GLN A 21 NE2 146	GLY B 258 O 4117	-0.111	INTER-CHAIN