Structural features of residue 21 in chain A

*********************************
Hydrogen bonds:

----------------------------------------------------------
|Res1 type| Res1 No.| Chain1| Res2 type| Res2 No.| Chain2|
----------------------------------------------------------
|        N|      121|      B|         L|       21|      A|
----------------------------------------------------------

*********************************
Hydrophobic Interactions:
ALA A 17	LEU A 21	Dist=6.698	INTRA-CHAIN
PHE A 18	LEU A 21	Dist=6.228	INTRA-CHAIN
LEU A 21	TYR A 22	Dist=5.440	INTRA-CHAIN
LEU A 21	ILE A 24	Dist=5.673	INTRA-CHAIN
LEU A 21	LEU A 103	Dist=4.933	INTRA-CHAIN
LEU A 21	ALA B 117	Dist=6.822	INTER-CHAIN

*********************************
Protrusion Index:
LEU A 21 N	0.11
LEU A 21 CA	0.09
LEU A 21 C	0.09
LEU A 21 O	0.07
LEU A 21 CB	0.04
LEU A 21 CG	0.00
LEU A 21 CD1	0.01
LEU A 21 CD2	-0.01

*********************************
Short Contacts:
LEU A 21 O	ILE A 24 CG1	-0.487	INTRA-CHAIN
LEU A 21 CD1	ILE A 24 CD1	-0.283	INTRA-CHAIN

*********************************
Van der Waal's Interactions:
LEU A 21 CD2 542	ILE A 24 CD1 570	-0.090	INTRA-CHAIN
LEU A 21 CD2 542	LYS A 100 NZ 1207	-0.013	INTRA-CHAIN
LEU A 21 CD2 542	LEU A 103 CD2 1233	-0.017	INTRA-CHAIN
LEU A 21 CD2 542	LEU A 107 CD2 1266	-0.042	INTRA-CHAIN
LEU A 21 CD2 542	ALA B 117 CB 1348	-0.044	INTER-CHAIN
LEU A 21 CD2 542	ASN B 121 ND2 1378	-0.329	INTER-CHAIN