Structural features of residue 474 in chain D NH2 1082 ILE D 474 CD1 4385 -0.287 INTER-CHAIN LYS D 134 NZ 1834 ILE D 474 CD1 4385 -0.016 INTRA-CHAIN ILE D 474 CD1 4385 LYS D 475 OXT 4395 -0.013 INTRA-CHAIN