Structural features of residue 23 in chain B

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Electrostatic Interactions:
HIS A 31 ND1	ASP B 23 OD1	-3.156	INTER-CHAIN
HIS A 31 NE2	ASP B 23 OD1	-4.429	INTER-CHAIN
ASP B 13 OD1	ASP B 23 OD1	2.872	INTRA-CHAIN
ASP B 13 OD1	ASP B 23 OD2	2.988	INTRA-CHAIN
ASP B 23 OD1	ASP B 13 OD1	2.872	INTRA-CHAIN
ASP B 23 OD1	ASP B 26 OD1	5.647	INTRA-CHAIN
ASP B 23 OD1	ASP B 26 OD2	7.480	INTRA-CHAIN
ASP B 23 OD1	HIS A 31 ND1	-3.156	INTER-CHAIN
ASP B 23 OD2	ASP B 13 OD1	2.988	INTRA-CHAIN
ASP B 23 OD2	ASP B 26 OD1	4.436	INTRA-CHAIN
ASP B 23 OD2	ASP B 26 OD2	5.402	INTRA-CHAIN
ASP B 23 OD2	HIS A 31 ND1	-4.113	INTER-CHAIN
ASP B 26 OD1	ASP B 23 OD1	5.647	INTRA-CHAIN
ASP B 26 OD1	ASP B 23 OD2	4.436	INTRA-CHAIN
ASP B 26 OD2	ASP B 23 OD1	7.480	INTRA-CHAIN
ASP B 26 OD2	ASP B 23 OD2	5.402	INTRA-CHAIN

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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|       30|      A|         D|       23|      B|
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|        H|       31|      A|         D|       23|      B|
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Protrusion Index:
ASP B 23 N	0.63
ASP B 23 CA	0.51
ASP B 23 C	0.34
ASP B 23 O	0.35
ASP B 23 CB	0.52
ASP B 23 CG	0.75
ASP B 23 OD1	1.08
ASP B 23 OD2	0.80

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Salt bridges:
ASP B 23	ARG A 30	2.926	INTER-CHAIN
ASP B 23	HIS A 31	2.779	INTER-CHAIN

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Van der Waal's Interactions:
ALA B 22 CB 813	ASP B 23 OD2 821	-0.014	INTRA-CHAIN
ASP B 23 OD2 821	VAL A 27 CG2 216	-0.086	INTER-CHAIN
ASP B 23 OD2 821	ARG A 30 NH2 243	-1.228	INTER-CHAIN
ASP B 23 OD2 821	HIS A 31 NE2 253	-1.616	INTER-CHAIN