Structural features of residue 139 in chain C

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Hydrogen bonds:

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|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
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|        C|      248|      A|         T|      139|      C|
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|        Q|      262|      A|         T|      139|      C|
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|        T|      139|      C|         R|      260|      A|
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