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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|        F|       52|      B|         S|       21|      A|
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Protrusion Index:
SER A 21 N	0.62
SER A 21 CA	0.40
SER A 21 C	0.25
SER A 21 O	0.11
SER A 21 CB	0.30
SER A 21 OG	0.52

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Van der Waal's Interactions:
SER A 20 OG 127	SER A 21 OG 133	-0.077	INTRA-CHAIN
SER A 21 OG 133	PHE A 52 CZ 390	-0.010	INTRA-CHAIN
ASN B 19 ND2 612	SER A 21 OG 133	-0.010	INTER-CHAIN