VIRAL PROTEIN/IMMUNE SYSTEM CRYSTAL STRUCTURE OF SARS-COV-2 RECEPTOR BINDING DOMAIN COMPLEXED WITH NANOBODIES VHH E AND U: 0 - B TYR 351 CG VS D TYR 100 CD1 Distance: 6.958379 - Aromatic Stacking, 1 - B TYR 351 CE1 VS D TYR 100 CE1 Distance: 5.387524 - Hydrophobic, 2 - B TYR 351 CE2 VS D TYR 100 CE1 Distance: 5.170226 - Hydrophobic, 3 - B TYR 351 OH VS D TYR 100 OH Distance: 4.616588 - Hydrogen Bonds, 4 - B ARG 403 NE VS D ASP 101 OD1 Distance: 6.835358 - Attractive, 5 - B ARG 403 CZ VS D ASP 101 OD1 Distance: 5.991589 - Attractive, 6 - B ARG 403 NH1 VS D ASP 101 OD1 Distance: 5.041727 - Attractive, 7 - B ARG 403 NH1 VS D ASP 101 OD2 Distance: 5.860014 - Attractive, 8 - B ARG 403 NH2 VS D ASP 101 OD1 Distance: 6.385582 - Attractive, 9 - B LYS 444 NZ VS D ASP 30 OD1 Distance: 5.981526 - Attractive, 10 - B LYS 444 NZ VS D ASP 30 OD2 Distance: 4.119126 - Attractive, Hydrogen Bonds, 11 - B GLY 446 N VS D THR 28 O Distance: 4.004235 - Hydrogen Bonds, 12 - B GLY 446 O VS D LEU 29 N Distance: 4.678822 - Hydrogen Bonds, 13 - B GLY 446 N VS D ASP 30 OD1 Distance: 4.814605 - Hydrogen Bonds, 14 - B GLY 446 N VS D ASP 30 OD2 Distance: 4.779687 - Hydrogen Bonds, 15 - B GLY 446 O VS D ASP 30 N Distance: 2.872463 - Hydrogen Bonds, 16 - B GLY 446 O VS D TYR 31 N Distance: 4.829561 - Hydrogen Bonds, 17 - B TYR 449 CE1 VS D LEU 29 CD2 Distance: 4.963224 - Hydrophobic, 18 - B TYR 449 CE2 VS D LEU 29 CD2 Distance: 5.272220 - Hydrophobic, 19 - B TYR 449 OH VS D LEU 29 O Distance: 4.866245 - Hydrogen Bonds, 20 - B TYR 449 CE1 VS D ASP 30 CB Distance: 4.576252 - Hydrophobic, 21 - B TYR 449 OH VS D ASP 30 N Distance: 3.488281 - Hydrogen Bonds, 22 - B TYR 449 CG VS D TYR 31 CB Distance: 5.401963 - Hydrophobic, 23 - B TYR 449 CG VS D TYR 31 CG Distance: 5.562056 - Aromatic Stacking, 24 - B TYR 449 CG VS D TYR 31 CD2 Distance: 4.908262 - Hydrophobic, 25 - B TYR 449 CD1 VS D TYR 31 CB Distance: 5.380033 - Hydrophobic, 26 - B TYR 449 CD1 VS D TYR 31 CG Distance: 5.393429 - Hydrophobic, 27 - B TYR 449 CD1 VS D TYR 31 CD2 Distance: 4.484458 - Hydrophobic, 28 - B TYR 449 CD1 VS D TYR 31 CE2 Distance: 5.166945 - Hydrophobic, 29 - B TYR 449 CD2 VS D TYR 31 CB Distance: 4.679856 - Hydrophobic, 30 - B TYR 449 CD2 VS D TYR 31 CG Distance: 5.205977 - Hydrophobic, 31 - B TYR 449 CD2 VS D TYR 31 CD2 Distance: 4.877869 - Hydrophobic, 32 - B TYR 449 CE1 VS D TYR 31 CB Distance: 4.683557 - Hydrophobic, 33 - B TYR 449 CE1 VS D TYR 31 CG Distance: 4.834576 - Hydrophobic, 34 - B TYR 449 CE1 VS D TYR 31 CD2 Distance: 4.010520 - Hydrophobic, 35 - B TYR 449 CE1 VS D TYR 31 CE2 Distance: 4.872326 - Hydrophobic, 36 - B TYR 449 CE2 VS D TYR 31 CB Distance: 3.840779 - Hydrophobic, 37 - B TYR 449 CE2 VS D TYR 31 CG Distance: 4.611261 - Hydrophobic, 38 - B TYR 449 CE2 VS D TYR 31 CD2 Distance: 4.435941 - Hydrophobic, 39 - B TYR 449 OH VS D TYR 31 N Distance: 2.853779 - Hydrogen Bonds, 40 - B TYR 449 OH VS D TYR 31 O Distance: 2.751307 - Hydrogen Bonds, 41 - B TYR 449 OH VS D TYR 32 N Distance: 4.768643 - Hydrogen Bonds, 42 - B TYR 449 CG VS D VAL 96 CG2 Distance: 5.243634 - Hydrophobic, 43 - B TYR 449 CD2 VS D VAL 96 CG2 Distance: 4.193765 - Hydrophobic, 44 - B TYR 449 CE1 VS D VAL 96 CG2 Distance: 5.092738 - Hydrophobic, 45 - B TYR 449 CE2 VS D VAL 96 CB Distance: 4.805617 - Hydrophobic, 46 - B TYR 449 CE2 VS D VAL 96 CG2 Distance: 3.451165 - Hydrophobic, 47 - B TYR 449 OH VS D GLY 97 N Distance: 4.795782 - Hydrogen Bonds, 48 - B TYR 449 O VS D TYR 99 N Distance: 4.466985 - Hydrogen Bonds, 49 - B TYR 449 CB VS D TYR 99 CB Distance: 3.682596 - Hydrophobic, 50 - B TYR 449 CB VS D TYR 99 CG Distance: 4.700112 - Hydrophobic, 51 - B TYR 449 CB VS D TYR 99 CD2 Distance: 5.097612 - Hydrophobic, 52 - B TYR 449 CG VS D TYR 99 CB Distance: 4.503675 - Hydrophobic, 53 - B TYR 449 CD2 VS D TYR 99 CB Distance: 4.678460 - Hydrophobic, 54 - B LEU 452 CG VS D THR 98 CG2 Distance: 4.632728 - Hydrophobic, 55 - B LEU 452 CD2 VS D THR 98 CG2 Distance: 3.773669 - Hydrophobic, 56 - B LEU 452 CD2 VS D TYR 100 CB Distance: 4.728501 - Hydrophobic, 57 - B LEU 452 CD2 VS D TYR 100 CG Distance: 5.038010 - Hydrophobic, 58 - B LEU 452 CD2 VS D TYR 100 CD1 Distance: 4.426289 - Hydrophobic, 59 - B LEU 452 CD2 VS D TYR 100 CE1 Distance: 5.340771 - Hydrophobic, 60 - B ILE 468 O VS D TYR 100 OH Distance: 4.666903 - Hydrogen Bonds, 61 - B THR 470 OG1 VS D TYR 100 OH Distance: 4.410122 - Hydrogen Bonds, 62 - B THR 470 CG2 VS D TYR 100 CG Distance: 5.029950 - Hydrophobic, 63 - B THR 470 CG2 VS D TYR 100 CD1 Distance: 4.914134 - Hydrophobic, 64 - B THR 470 CG2 VS D TYR 100 CD2 Distance: 4.521606 - Hydrophobic, 65 - B THR 470 CG2 VS D TYR 100 CE1 Distance: 4.260689 - Hydrophobic, 66 - B THR 470 CG2 VS D TYR 100 CE2 Distance: 3.825107 - Hydrophobic, 67 - B GLU 484 OE1 VS D ARG 56 NE Distance: 6.910071 - Attractive, 68 - B GLU 484 OE1 VS D ARG 56 CZ Distance: 6.281428 - Attractive, 69 - B GLU 484 OE1 VS D ARG 56 NH1 Distance: 4.980904 - Attractive, 70 - B GLU 484 OE2 VS D ARG 56 NE Distance: 6.594165 - Attractive, 71 - B GLU 484 OE2 VS D ARG 56 CZ Distance: 6.161775 - Attractive, 72 - B GLU 484 OE2 VS D ARG 56 NH1 Distance: 4.921501 - Attractive, 73 - B GLU 484 O VS D TYR 58 OH Distance: 4.293849 - Hydrogen Bonds, 74 - B GLU 484 CB VS D TYR 58 CE1 Distance: 5.144065 - Hydrophobic, 75 - B GLU 484 CG VS D TYR 58 CE1 Distance: 5.263892 - Hydrophobic, 76 - B GLU 484 CG VS D TYR 58 CE2 Distance: 5.155897 - Hydrophobic, 77 - B GLU 484 OE1 VS D TYR 58 OH Distance: 4.698698 - Hydrogen Bonds, 78 - B GLU 484 OE2 VS D TYR 58 OH Distance: 4.052231 - Hydrogen Bonds, 79 - B GLY 485 N VS D TYR 58 OH Distance: 4.691187 - Hydrogen Bonds, 80 - B PHE 486 CB VS D TYR 58 CB Distance: 4.250044 - Hydrophobic, 81 - B PHE 486 CB VS D TYR 58 CG Distance: 5.119776 - Hydrophobic, 82 - B PHE 486 CG VS D TYR 58 CB Distance: 4.916148 - Hydrophobic, 83 - B PHE 486 CD1 VS D TYR 58 CB Distance: 4.486530 - Hydrophobic, 84 - B PHE 490 CG VS D THR 98 CG2 Distance: 5.482721 - Hydrophobic, 85 - B PHE 490 CD2 VS D THR 98 CG2 Distance: 4.288028 - Hydrophobic, 86 - B PHE 490 CE2 VS D THR 98 CG2 Distance: 4.230536 - Hydrophobic, 87 - B PHE 490 CZ VS D THR 98 CG2 Distance: 5.405147 - Hydrophobic, 88 - B PHE 490 CG VS D TYR 100 CG Distance: 5.559894 - Aromatic Stacking, 89 - B PHE 490 CD2 VS D TYR 100 CB Distance: 5.039503 - Hydrophobic, 90 - B PHE 490 CE1 VS D TYR 100 CB Distance: 4.796341 - Hydrophobic, 91 - B PHE 490 CE1 VS D TYR 100 CG Distance: 4.778349 - Hydrophobic, 92 - B PHE 490 CE1 VS D TYR 100 CD2 Distance: 4.323554 - Hydrophobic, 93 - B PHE 490 CE1 VS D TYR 100 CE2 Distance: 4.937165 - Hydrophobic, 94 - B PHE 490 CE2 VS D TYR 100 CB Distance: 3.870801 - Hydrophobic, 95 - B PHE 490 CE2 VS D TYR 100 CG Distance: 4.174727 - Hydrophobic, 96 - B PHE 490 CE2 VS D TYR 100 CD1 Distance: 4.810489 - Hydrophobic, 97 - B PHE 490 CE2 VS D TYR 100 CD2 Distance: 4.464187 - Hydrophobic, 98 - B PHE 490 CE2 VS D TYR 100 CE2 Distance: 5.306899 - Hydrophobic, 99 - B PHE 490 CZ VS D TYR 100 CB Distance: 3.721828 - Hydrophobic, 100 - B PHE 490 CZ VS D TYR 100 CG Distance: 3.695808 - Hydrophobic, 101 - B PHE 490 CZ VS D TYR 100 CD1 Distance: 4.510023 - Hydrophobic, 102 - B PHE 490 CZ VS D TYR 100 CD2 Distance: 3.567346 - Hydrophobic, 103 - B PHE 490 CZ VS D TYR 100 CE1 Distance: 5.107649 - Hydrophobic, 104 - B PHE 490 CZ VS D TYR 100 CE2 Distance: 4.301399 - Hydrophobic, 105 - B LEU 492 O VS D THR 98 OG1 Distance: 3.592359 - Hydrogen Bonds, 106 - B LEU 492 CB VS D THR 98 CG2 Distance: 4.790290 - Hydrophobic, 107 - B LEU 492 CG VS D TYR 100 CD1 Distance: 5.407023 - Hydrophobic, 108 - B LEU 492 CD1 VS D TYR 100 CG Distance: 4.836540 - Hydrophobic, 109 - B LEU 492 CD1 VS D TYR 100 CD1 Distance: 4.118859 - Hydrophobic, 110 - B LEU 492 CD1 VS D TYR 100 CD2 Distance: 5.436649 - Hydrophobic, 111 - B LEU 492 CD1 VS D TYR 100 CE1 Distance: 4.075662 - Hydrophobic, 112 - B LEU 492 CD1 VS D TYR 100 CE2 Distance: 5.432338 - Hydrophobic, 113 - B GLN 493 CG VS D VAL 96 CG1 Distance: 5.043321 - Hydrophobic, 114 - B GLN 493 NE2 VS D VAL 96 O Distance: 2.902624 - Hydrogen Bonds, 115 - B GLN 493 NE2 VS D GLY 97 O Distance: 3.758564 - Hydrogen Bonds, 116 - B GLN 493 N VS D THR 98 OG1 Distance: 4.196564 - Hydrogen Bonds, 117 - B GLN 493 O VS D THR 98 OG1 Distance: 4.885706 - Hydrogen Bonds, 118 - B GLN 493 CB VS D THR 98 CG2 Distance: 5.469800 - Hydrophobic, 119 - B GLN 493 OE1 VS D THR 98 OG1 Distance: 3.640255 - Hydrogen Bonds, 120 - B GLN 493 NE2 VS D THR 98 OG1 Distance: 3.363173 - Hydrogen Bonds, 121 - B SER 494 N VS D GLY 97 O Distance: 4.261429 - Hydrogen Bonds, 122 - B SER 494 OG VS D GLY 97 O Distance: 3.930111 - Hydrogen Bonds, 123 - B SER 494 N VS D THR 98 OG1 Distance: 3.079783 - Hydrogen Bonds, 124 - B SER 494 OG VS D THR 98 N Distance: 4.512151 - Hydrogen Bonds, 125 - B SER 494 OG VS D THR 98 OG1 Distance: 4.301061 - Hydrogen Bonds, 126 - B SER 494 OG VS D TYR 99 N Distance: 3.040126 - Hydrogen Bonds, 127 - B SER 494 OG VS D TYR 99 O Distance: 3.955187 - Hydrogen Bonds, 128 - B GLN 498 OE1 VS D THR 28 N Distance: 4.738926 - Hydrogen Bonds, 129 - B GLN 498 OE1 VS D THR 28 OG1 Distance: 2.564764 - Hydrogen Bonds, 130 - B GLN 498 NE2 VS D THR 28 OG1 Distance: 3.691597 - Hydrogen Bonds, 131 - B GLN 498 CG VS D LEU 29 CG Distance: 5.022510 - Hydrophobic, 132 - B GLN 498 CG VS D LEU 29 CD2 Distance: 4.077330 - Hydrophobic, 133 - B GLN 498 OE1 VS D LEU 29 N Distance: 3.781818 - Hydrogen Bonds,