Structural features of residue 421 in chain A

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Electrostatic Interactions:
HIS A 317 NE2	HIS A 421 NE2	1.611	INTRA-CHAIN
ASP A 396 OD2	HIS A 421 ND1	-1.349	INTRA-CHAIN
ASP A 419 OD1	HIS A 421 ND1	-3.861	INTRA-CHAIN
ASP A 419 OD2	HIS A 421 ND1	-2.888	INTRA-CHAIN
HIS A 420 ND1	HIS A 421 ND1	1.828	INTRA-CHAIN
HIS A 420 ND1	HIS A 421 NE2	4.878	INTRA-CHAIN
HIS A 420 NE2	HIS A 421 ND1	2.273	INTRA-CHAIN
HIS A 420 NE2	HIS A 421 NE2	6.663	INTRA-CHAIN
HIS A 421 ND1	ASP B 369 OD1	-1.670	INTER-CHAIN
HIS A 421 ND1	ASP B 386 OD1	-1.411	INTER-CHAIN
HIS A 421 ND1	ASP B 396 OD1	-4.408	INTER-CHAIN
HIS A 421 ND1	ASP A 419 OD1	-3.861	INTRA-CHAIN
HIS A 421 ND1	HIS A 420 ND1	1.828	INTRA-CHAIN
HIS A 421 ND1	HIS A 420 NE2	5.114	INTRA-CHAIN
HIS A 421 ND1	HIS A 461 ND1	0.803	INTRA-CHAIN
HIS A 421 ND1	HIS A 461 NE2	2.154	INTRA-CHAIN
HIS A 421 NE2	HIS A 317 NE2	1.611	INTRA-CHAIN
HIS A 421 NE2	ASP B 369 OD1	-1.529	INTER-CHAIN
HIS A 421 NE2	ASP B 386 OD1	-1.511	INTER-CHAIN
HIS A 421 NE2	ASP B 396 OD1	-7.682	INTER-CHAIN
HIS A 421 NE2	ASP A 419 OD1	-3.912	INTRA-CHAIN
HIS A 421 NE2	HIS A 420 ND1	2.168	INTRA-CHAIN
HIS A 421 NE2	HIS A 420 NE2	6.663	INTRA-CHAIN
HIS A 421 NE2	HIS A 461 ND1	0.712	INTRA-CHAIN
HIS A 421 NE2	HIS A 461 NE2	1.879	INTRA-CHAIN
HIS A 461 ND1	HIS A 421 ND1	0.803	INTRA-CHAIN
HIS A 461 ND1	HIS A 421 NE2	1.602	INTRA-CHAIN
HIS A 461 NE2	HIS A 421 ND1	0.957	INTRA-CHAIN
HIS A 461 NE2	HIS A 421 NE2	1.879	INTRA-CHAIN
ASP B 369 OD1	HIS A 421 ND1	-1.670	INTER-CHAIN
ASP B 369 OD2	HIS A 421 ND1	-1.425	INTER-CHAIN
ASP B 386 OD1	HIS A 421 ND1	-1.411	INTER-CHAIN
ASP B 386 OD2	HIS A 421 ND1	-1.500	INTER-CHAIN
ASP B 396 OD1	HIS A 421 ND1	-4.408	INTER-CHAIN
ASP B 396 OD2	HIS A 421 ND1	-3.662	INTER-CHAIN

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Protrusion Index:
HIS A 421 N	0.11
HIS A 421 CA	0.21
HIS A 421 C	0.38
HIS A 421 O	0.52
HIS A 421 CB	0.23
HIS A 421 CG	0.16
HIS A 421 ND1	0.21
HIS A 421 CD2	0.10
HIS A 421 CE1	0.12
HIS A 421 NE2	0.06

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Salt bridges:
ASP A 419	HIS A 421	3.127	INTRA-CHAIN
HIS A 420	HIS A 421	2.888	INTRA-CHAIN
ASP B 396	HIS A 421	2.611	INTER-CHAIN

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Van der Waal's Interactions:
ASP A 419 OD2 2705	HIS A 421 NE2 2725	-0.011	INTRA-CHAIN
HIS A 420 NE2 2715	HIS A 421 NE2 2725	-0.564	INTRA-CHAIN
HIS A 421 NE2 2725	SER A 453 OG 2969	-0.042	INTRA-CHAIN
HIS A 421 NE2 2725	THR A 457 CG2 2994	-0.025	INTRA-CHAIN
THR B 390 CG2 5679	HIS A 421 NE2 2725	-0.015	INTER-CHAIN
LEU B 393 CD2 5699	HIS A 421 NE2 2725	-0.313	INTER-CHAIN
LYS B 395 NZ 5722	HIS A 421 NE2 2725	-0.012	INTER-CHAIN
ASP B 396 OD2 5730	HIS A 421 NE2 2725	-0.248	INTER-CHAIN