Structural features of residue 109 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|      109|      A|         E|       60|      E|
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|        R|      109|      E|         R|      109|      A|
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|        G|      110|      E|         R|      109|      A|
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