Structural features of residue 3 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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|        S|        3|      A|         Q|       73|      B|
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Protrusion Index:
SER A 3 N	0.75
SER A 3 CA	1.15
SER A 3 C	1.04
SER A 3 O	1.37
SER A 3 CB	1.19