Structural features of residue 21 in chain H

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Van der Waal's Interactions:
SER H 21 OG 1747	TRP H 36 CH2 1865	-0.009	INTRA-CHAIN
SER H 21 OG 1747	PHE H 77 CZ 2194	-0.014	INTRA-CHAIN
SER H 21 OG 1747	GLN M 81 NE2 5432	-0.398	INTER-CHAIN