Structural features of residue 4 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|      138|      B|         P|        4|      A|
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Van der Waal's Interactions:
VAL A 3 CG2 15	PRO A 4 CD 22	-0.068	INTRA-CHAIN
PRO A 4 CD 22	GLY B 16 O 1222	-0.011	INTER-CHAIN
PRO A 4 CD 22	ARG B 138 NH2 2097	-0.026	INTER-CHAIN