VIRAL PROTEIN/IMMUNE SYSTEM CRYSTAL STRUCTURE OF SARS-COV-2 RECEPTOR BINDING DOMAIN COMPLEXED WITH NANOBODY VHH W AND ANTIBODY FAB CC12.3: 0 - A LEU 368 O VS B SER 98 OG Distance: 4.877648 - Hydrogen Bonds, 1 - A TYR 369 CG VS B TYR 31 CG Distance: 6.688091 - Aromatic Stacking, 2 - A TYR 369 CE1 VS B TYR 31 CD1 Distance: 5.029034 - Hydrophobic, 3 - A TYR 369 CE1 VS B TYR 31 CE1 Distance: 5.490169 - Hydrophobic, 4 - A TYR 369 CE2 VS B TYR 31 CD1 Distance: 5.105183 - Hydrophobic, 5 - A TYR 369 CE2 VS B TYR 31 CE1 Distance: 5.137843 - Hydrophobic, 6 - A TYR 369 OH VS B TYR 31 O Distance: 4.701141 - Hydrogen Bonds, 7 - A TYR 369 OH VS B GLY 97 O Distance: 4.461636 - Hydrogen Bonds, 8 - A TYR 369 O VS B SER 98 OG Distance: 4.181346 - Hydrogen Bonds, 9 - A TYR 369 O VS B TYR 99 N Distance: 2.812653 - Hydrogen Bonds, 10 - A TYR 369 CG VS B TYR 99 CB Distance: 4.739658 - Hydrophobic, 11 - A TYR 369 CG VS B TYR 99 CG Distance: 5.708913 - Aromatic Stacking, 12 - A TYR 369 CD1 VS B TYR 99 CB Distance: 4.888631 - Hydrophobic, 13 - A TYR 369 CD2 VS B TYR 99 CB Distance: 4.283985 - Hydrophobic, 14 - A TYR 369 CD2 VS B TYR 99 CG Distance: 4.713558 - Hydrophobic, 15 - A TYR 369 CD2 VS B TYR 99 CD1 Distance: 4.550461 - Hydrophobic, 16 - A TYR 369 CD2 VS B TYR 99 CE1 Distance: 5.497222 - Hydrophobic, 17 - A TYR 369 CE1 VS B TYR 99 CB Distance: 4.644342 - Hydrophobic, 18 - A TYR 369 CE1 VS B TYR 99 CG Distance: 5.345216 - Hydrophobic, 19 - A TYR 369 CE1 VS B TYR 99 CD1 Distance: 4.989270 - Hydrophobic, 20 - A TYR 369 CE2 VS B TYR 99 CB Distance: 4.000903 - Hydrophobic, 21 - A TYR 369 CE2 VS B TYR 99 CG Distance: 4.161376 - Hydrophobic, 22 - A TYR 369 CE2 VS B TYR 99 CD1 Distance: 3.646093 - Hydrophobic, 23 - A TYR 369 CE2 VS B TYR 99 CD2 Distance: 5.340698 - Hydrophobic, 24 - A TYR 369 CE2 VS B TYR 99 CE1 Distance: 4.522382 - Hydrophobic, 25 - A TYR 369 OH VS B TYR 99 N Distance: 4.527691 - Hydrogen Bonds, 26 - A TYR 369 O VS B TYR 100 N Distance: 4.761477 - Hydrogen Bonds, 27 - A ASN 370 CB VS B TYR 99 CB Distance: 4.515805 - Hydrophobic, 28 - A ASN 370 CB VS B TYR 99 CG Distance: 5.059989 - Hydrophobic, 29 - A ASN 370 CB VS B TYR 99 CD2 Distance: 5.018419 - Hydrophobic, 30 - A ASN 370 CB VS B TYR 100 CD1 Distance: 4.606175 - Hydrophobic, 31 - A ASN 370 CB VS B TYR 100 CE1 Distance: 3.972005 - Hydrophobic, 32 - A ASN 370 ND2 VS B TYR 100 OH Distance: 3.812122 - Hydrogen Bonds, 33 - A SER 371 N VS B SER 98 OG Distance: 4.679290 - Hydrogen Bonds, 34 - A SER 371 O VS B SER 98 OG Distance: 3.049529 - Hydrogen Bonds, 35 - A SER 371 OG VS B SER 98 OG Distance: 4.069746 - Hydrogen Bonds, 36 - A SER 371 O VS B TYR 99 N Distance: 3.714150 - Hydrogen Bonds, 37 - A SER 371 O VS B TYR 100 N Distance: 2.986812 - Hydrogen Bonds, 38 - A ALA 372 N VS B SER 98 OG Distance: 4.366085 - Hydrogen Bonds, 39 - A ALA 372 O VS B SER 98 OG Distance: 4.562750 - Hydrogen Bonds, 40 - A ALA 372 CB VS B TYR 100 CB Distance: 4.253670 - Hydrophobic, 41 - A ALA 372 CB VS B TYR 100 CG Distance: 5.466170 - Hydrophobic, 42 - A SER 373 N VS B SER 98 OG Distance: 3.716831 - Hydrogen Bonds, 43 - A PHE 374 N VS B SER 98 OG Distance: 3.260697 - Hydrogen Bonds, 44 - A PHE 374 O VS B SER 98 N Distance: 2.994396 - Hydrogen Bonds, 45 - A PHE 374 O VS B SER 98 OG Distance: 3.171182 - Hydrogen Bonds, 46 - A SER 375 O VS B GLN 95 NE2 Distance: 2.975841 - Hydrogen Bonds, 47 - A SER 375 O VS B SER 96 N Distance: 4.759180 - Hydrogen Bonds, 48 - A SER 375 O VS B GLY 97 N Distance: 3.759478 - Hydrogen Bonds, 49 - A THR 376 OG1 VS B GLN 95 NE2 Distance: 3.148332 - Hydrogen Bonds, 50 - A THR 376 N VS B SER 96 O Distance: 4.404944 - Hydrogen Bonds, 51 - A THR 376 OG1 VS B SER 96 O Distance: 4.712305 - Hydrogen Bonds, 52 - A PHE 377 N VS B SER 96 O Distance: 3.027643 - Hydrogen Bonds, 53 - A PHE 377 O VS B SER 96 OG Distance: 4.280295 - Hydrogen Bonds, 54 - A PHE 377 N VS B GLY 97 O Distance: 4.530836 - Hydrogen Bonds, 55 - A PHE 377 O VS B GLY 97 N Distance: 4.759533 - Hydrogen Bonds, 56 - A LYS 378 NZ VS B TYR 32 OH Distance: 3.955561 - Hydrogen Bonds, 57 - A LYS 378 N VS B SER 96 O Distance: 4.500385 - Hydrogen Bonds, 58 - A LYS 378 NZ VS B SER 96 OG Distance: 4.194301 - Hydrogen Bonds, 59 - A PRO 384 CB VS B TYR 31 CD1 Distance: 4.849696 - Hydrophobic, 60 - A PRO 384 CB VS B TYR 31 CE1 Distance: 4.482151 - Hydrophobic, 61 - A PRO 384 CG VS B TYR 31 CG Distance: 4.839888 - Hydrophobic, 62 - A PRO 384 CG VS B TYR 31 CD1 Distance: 4.055755 - Hydrophobic, 63 - A PRO 384 CG VS B TYR 31 CD2 Distance: 5.301358 - Hydrophobic, 64 - A PRO 384 CG VS B TYR 31 CE1 Distance: 3.784728 - Hydrophobic, 65 - A PRO 384 CG VS B TYR 31 CE2 Distance: 5.102953 - Hydrophobic, 66 - A THR 385 N VS B TYR 31 OH Distance: 4.843936 - Hydrogen Bonds, 67 - A THR 385 OG1 VS B TYR 31 OH Distance: 3.911858 - Hydrogen Bonds, 68 - A THR 385 CG2 VS B TYR 31 CE1 Distance: 4.663977 - Hydrophobic, 69 - A ARG 408 NE VS B ASP 101 OD1 Distance: 6.012653 - Attractive, 70 - A ARG 408 NE VS B ASP 101 OD2 Distance: 4.510248 - Attractive, Hydrogen Bonds, 71 - A ARG 408 CZ VS B ASP 101 OD2 Distance: 5.824885 - Attractive, 72 - A ARG 408 NH1 VS B ASP 101 OD2 Distance: 6.679372 - Attractive, 73 - A ARG 408 NH2 VS B ASP 101 OD2 Distance: 6.501308 - Attractive,