VIRAL PROTEIN/IMMUNE SYSTEM CRYSTAL STRUCTURE OF SARS-COV-2 RECEPTOR BINDING DOMAIN COMPLEXED WITH NANOBODIES VHH E AND U: 0 - A TYR 351 CG VS C TYR 100 CD1 Distance: 6.578682 - Aromatic Stacking, 1 - A TYR 351 CE1 VS C TYR 100 CD1 Distance: 5.165121 - Hydrophobic, 2 - A TYR 351 CE1 VS C TYR 100 CE1 Distance: 5.051283 - Hydrophobic, 3 - A TYR 351 CE2 VS C TYR 100 CE1 Distance: 4.847690 - Hydrophobic, 4 - A TYR 351 OH VS C TYR 100 OH Distance: 4.558562 - Hydrogen Bonds, 5 - A ARG 403 CZ VS C ASP 101 OD1 Distance: 6.755951 - Attractive, 6 - A ARG 403 NH2 VS C ASP 101 OD1 Distance: 5.624174 - Attractive, 7 - A ARG 403 NH2 VS C ASP 101 OD2 Distance: 6.129493 - Attractive, 8 - A LYS 444 NZ VS C ASP 30 OD1 Distance: 5.717249 - Attractive, 9 - A LYS 444 NZ VS C ASP 30 OD2 Distance: 3.832470 - Attractive, Hydrogen Bonds, 10 - A GLY 446 N VS C THR 28 O Distance: 4.002707 - Hydrogen Bonds, 11 - A GLY 446 O VS C LEU 29 N Distance: 4.752588 - Hydrogen Bonds, 12 - A GLY 446 N VS C ASP 30 OD1 Distance: 4.827112 - Hydrogen Bonds, 13 - A GLY 446 N VS C ASP 30 OD2 Distance: 4.756148 - Hydrogen Bonds, 14 - A GLY 446 O VS C ASP 30 N Distance: 2.837504 - Hydrogen Bonds, 15 - A GLY 446 O VS C TYR 31 N Distance: 4.751266 - Hydrogen Bonds, 16 - A GLY 447 N VS C ASP 30 OD2 Distance: 4.892731 - Hydrogen Bonds, 17 - A TYR 449 CE1 VS C LEU 29 CD2 Distance: 4.933067 - Hydrophobic, 18 - A TYR 449 CE2 VS C LEU 29 CD2 Distance: 5.231809 - Hydrophobic, 19 - A TYR 449 CD1 VS C ASP 30 CB Distance: 5.492874 - Hydrophobic, 20 - A TYR 449 CE1 VS C ASP 30 CB Distance: 4.546810 - Hydrophobic, 21 - A TYR 449 OH VS C ASP 30 N Distance: 3.579642 - Hydrogen Bonds, 22 - A TYR 449 CG VS C TYR 31 CB Distance: 5.192788 - Hydrophobic, 23 - A TYR 449 CG VS C TYR 31 CG Distance: 5.337716 - Hydrophobic, 24 - A TYR 449 CG VS C TYR 31 CG Distance: 5.359956 - Aromatic Stacking, 25 - A TYR 449 CG VS C TYR 31 CD2 Distance: 4.572220 - Hydrophobic, 26 - A TYR 449 CG VS C TYR 31 CE2 Distance: 5.332403 - Hydrophobic, 27 - A TYR 449 CD1 VS C TYR 31 CB Distance: 5.081022 - Hydrophobic, 28 - A TYR 449 CD1 VS C TYR 31 CG Distance: 5.039636 - Hydrophobic, 29 - A TYR 449 CD1 VS C TYR 31 CD2 Distance: 4.060499 - Hydrophobic, 30 - A TYR 449 CD1 VS C TYR 31 CE2 Distance: 4.710852 - Hydrophobic, 31 - A TYR 449 CD2 VS C TYR 31 CB Distance: 4.609185 - Hydrophobic, 32 - A TYR 449 CD2 VS C TYR 31 CG Distance: 5.127167 - Hydrophobic, 33 - A TYR 449 CD2 VS C TYR 31 CD2 Distance: 4.712996 - Hydrophobic, 34 - A TYR 449 CE1 VS C TYR 31 CB Distance: 4.410414 - Hydrophobic, 35 - A TYR 449 CE1 VS C TYR 31 CG Distance: 4.528146 - Hydrophobic, 36 - A TYR 449 CE1 VS C TYR 31 CD2 Distance: 3.687676 - Hydrophobic, 37 - A TYR 449 CE1 VS C TYR 31 CE2 Distance: 4.547656 - Hydrophobic, 38 - A TYR 449 CE2 VS C TYR 31 CB Distance: 3.833805 - Hydrophobic, 39 - A TYR 449 CE2 VS C TYR 31 CG Distance: 4.619024 - Hydrophobic, 40 - A TYR 449 CE2 VS C TYR 31 CD2 Distance: 4.401986 - Hydrophobic, 41 - A TYR 449 OH VS C TYR 31 N Distance: 2.878471 - Hydrogen Bonds, 42 - A TYR 449 OH VS C TYR 31 O Distance: 2.661334 - Hydrogen Bonds, 43 - A TYR 449 OH VS C TYR 32 N Distance: 4.708618 - Hydrogen Bonds, 44 - A TYR 449 CG VS C VAL 96 CG2 Distance: 5.413524 - Hydrophobic, 45 - A TYR 449 CD2 VS C VAL 96 CG2 Distance: 4.340604 - Hydrophobic, 46 - A TYR 449 CE1 VS C VAL 96 CG2 Distance: 5.206112 - Hydrophobic, 47 - A TYR 449 CE2 VS C VAL 96 CB Distance: 4.943658 - Hydrophobic, 48 - A TYR 449 CE2 VS C VAL 96 CG2 Distance: 3.507641 - Hydrophobic, 49 - A TYR 449 OH VS C GLY 97 N Distance: 4.642650 - Hydrogen Bonds, 50 - A TYR 449 O VS C TYR 99 N Distance: 4.390018 - Hydrogen Bonds, 51 - A TYR 449 CB VS C TYR 99 CB Distance: 3.730259 - Hydrophobic, 52 - A TYR 449 CB VS C TYR 99 CG Distance: 4.752487 - Hydrophobic, 53 - A TYR 449 CB VS C TYR 99 CD2 Distance: 5.281705 - Hydrophobic, 54 - A TYR 449 CG VS C TYR 99 CB Distance: 4.650072 - Hydrophobic, 55 - A TYR 449 CD2 VS C TYR 99 CB Distance: 4.888051 - Hydrophobic, 56 - A LEU 452 CG VS C THR 98 CG2 Distance: 5.149280 - Hydrophobic, 57 - A LEU 452 CD1 VS C THR 98 CG2 Distance: 4.900967 - Hydrophobic, 58 - A LEU 452 CD2 VS C THR 98 CG2 Distance: 4.127967 - Hydrophobic, 59 - A LEU 452 CG VS C TYR 100 CB Distance: 5.421705 - Hydrophobic, 60 - A LEU 452 CG VS C TYR 100 CD1 Distance: 5.168797 - Hydrophobic, 61 - A LEU 452 CD1 VS C TYR 100 CB Distance: 4.179100 - Hydrophobic, 62 - A LEU 452 CD1 VS C TYR 100 CG Distance: 4.388571 - Hydrophobic, 63 - A LEU 452 CD1 VS C TYR 100 CD1 Distance: 3.695275 - Hydrophobic, 64 - A LEU 452 CD1 VS C TYR 100 CE1 Distance: 4.640625 - Hydrophobic, 65 - A LEU 452 CD2 VS C TYR 100 CB Distance: 5.366041 - Hydrophobic, 66 - A ILE 468 O VS C TYR 100 OH Distance: 4.495775 - Hydrogen Bonds, 67 - A THR 470 OG1 VS C TYR 100 OH Distance: 4.483038 - Hydrogen Bonds, 68 - A THR 470 CG2 VS C TYR 100 CG Distance: 5.195184 - Hydrophobic, 69 - A THR 470 CG2 VS C TYR 100 CD1 Distance: 5.094173 - Hydrophobic, 70 - A THR 470 CG2 VS C TYR 100 CD2 Distance: 4.632197 - Hydrophobic, 71 - A THR 470 CG2 VS C TYR 100 CE1 Distance: 4.388400 - Hydrophobic, 72 - A THR 470 CG2 VS C TYR 100 CE2 Distance: 3.858683 - Hydrophobic, 73 - A GLU 484 OE1 VS C ARG 56 NH1 Distance: 5.934907 - Attractive, 74 - A GLU 484 OE2 VS C ARG 56 NH1 Distance: 6.420531 - Attractive, 75 - A GLU 484 CB VS C TYR 58 CD2 Distance: 5.129373 - Hydrophobic, 76 - A GLU 484 CB VS C TYR 58 CE2 Distance: 5.030219 - Hydrophobic, 77 - A GLY 485 O VS C TYR 58 OH Distance: 3.997580 - Hydrogen Bonds, 78 - A PHE 486 CG VS C PHE 37 CG Distance: 6.210279 - Aromatic Stacking, 79 - A PHE 486 CD1 VS C PHE 37 CE2 Distance: 5.152371 - Hydrophobic, 80 - A PHE 486 CD1 VS C PHE 37 CZ Distance: 5.450084 - Hydrophobic, 81 - A PHE 486 CE1 VS C PHE 37 CD2 Distance: 5.160049 - Hydrophobic, 82 - A PHE 486 CE1 VS C PHE 37 CE1 Distance: 5.234373 - Hydrophobic, 83 - A PHE 486 CE1 VS C PHE 37 CE2 Distance: 4.478280 - Hydrophobic, 84 - A PHE 486 CE1 VS C PHE 37 CZ Distance: 4.538324 - Hydrophobic, 85 - A PHE 486 CZ VS C PHE 37 CE2 Distance: 5.318482 - Hydrophobic, 86 - A PHE 486 CZ VS C PHE 37 CZ Distance: 5.270300 - Hydrophobic, 87 - A PHE 486 CE1 VS C CYS 50 CB Distance: 4.907355 - Hydrophobic, 88 - A PHE 486 CE2 VS C CYS 50 CB Distance: 4.786967 - Hydrophobic, 89 - A PHE 486 CZ VS C CYS 50 CB Distance: 4.306019 - Hydrophobic, 90 - A PHE 486 N VS C TYR 58 OH Distance: 4.532847 - Hydrogen Bonds, 91 - A PHE 486 CB VS C TYR 58 CD1 Distance: 5.096050 - Hydrophobic, 92 - A PHE 486 CB VS C TYR 58 CE1 Distance: 4.654631 - Hydrophobic, 93 - A PHE 486 CG VS C TYR 58 CG Distance: 4.899700 - Aromatic Stacking, 94 - A PHE 486 CG VS C TYR 58 CD1 Distance: 4.383992 - Hydrophobic, 95 - A PHE 486 CG VS C TYR 58 CE1 Distance: 3.885049 - Hydrophobic, 96 - A PHE 486 CD1 VS C TYR 58 CD1 Distance: 4.821173 - Hydrophobic, 97 - A PHE 486 CD1 VS C TYR 58 CE1 Distance: 3.977967 - Hydrophobic, 98 - A PHE 486 CD2 VS C TYR 58 CG Distance: 5.094805 - Hydrophobic, 99 - A PHE 486 CD2 VS C TYR 58 CD1 Distance: 3.749586 - Hydrophobic, 100 - A PHE 486 CD2 VS C TYR 58 CE1 Distance: 3.657921 - Hydrophobic, 101 - A PHE 486 CE1 VS C TYR 58 CD1 Distance: 4.752059 - Hydrophobic, 102 - A PHE 486 CE1 VS C TYR 58 CE1 Distance: 3.908597 - Hydrophobic, 103 - A PHE 486 CE2 VS C TYR 58 CG Distance: 5.047630 - Hydrophobic, 104 - A PHE 486 CE2 VS C TYR 58 CD1 Distance: 3.700466 - Hydrophobic, 105 - A PHE 486 CE2 VS C TYR 58 CE1 Distance: 3.631434 - Hydrophobic, 106 - A PHE 486 CZ VS C TYR 58 CD1 Distance: 4.219549 - Hydrophobic, 107 - A PHE 486 CZ VS C TYR 58 CE1 Distance: 3.743415 - Hydrophobic, 108 - A PHE 490 CD2 VS C THR 98 CG2 Distance: 4.611386 - Hydrophobic, 109 - A PHE 490 CE2 VS C THR 98 CG2 Distance: 4.321800 - Hydrophobic, 110 - A PHE 490 CZ VS C THR 98 CG2 Distance: 5.439870 - Hydrophobic, 111 - A PHE 490 CG VS C TYR 100 CG Distance: 5.696176 - Aromatic Stacking, 112 - A PHE 490 CD2 VS C TYR 100 CB Distance: 5.418824 - Hydrophobic, 113 - A PHE 490 CE1 VS C TYR 100 CB Distance: 5.215838 - Hydrophobic, 114 - A PHE 490 CE1 VS C TYR 100 CG Distance: 4.993890 - Hydrophobic, 115 - A PHE 490 CE1 VS C TYR 100 CD2 Distance: 4.394633 - Hydrophobic, 116 - A PHE 490 CE1 VS C TYR 100 CE2 Distance: 4.830043 - Hydrophobic, 117 - A PHE 490 CE2 VS C TYR 100 CB Distance: 4.187439 - Hydrophobic, 118 - A PHE 490 CE2 VS C TYR 100 CG Distance: 4.435226 - Hydrophobic, 119 - A PHE 490 CE2 VS C TYR 100 CD1 Distance: 5.220980 - Hydrophobic, 120 - A PHE 490 CE2 VS C TYR 100 CD2 Distance: 4.535349 - Hydrophobic, 121 - A PHE 490 CE2 VS C TYR 100 CE2 Distance: 5.366627 - Hydrophobic, 122 - A PHE 490 CZ VS C TYR 100 CB Distance: 4.070103 - Hydrophobic, 123 - A PHE 490 CZ VS C TYR 100 CG Distance: 3.936454 - Hydrophobic, 124 - A PHE 490 CZ VS C TYR 100 CD1 Distance: 4.803320 - Hydrophobic, 125 - A PHE 490 CZ VS C TYR 100 CD2 Distance: 3.655938 - Hydrophobic, 126 - A PHE 490 CZ VS C TYR 100 CE1 Distance: 5.314709 - Hydrophobic, 127 - A PHE 490 CZ VS C TYR 100 CE2 Distance: 4.307711 - Hydrophobic, 128 - A LEU 492 O VS C THR 98 OG1 Distance: 3.788610 - Hydrogen Bonds, 129 - A LEU 492 CB VS C THR 98 CG2 Distance: 4.990555 - Hydrophobic, 130 - A LEU 492 CB VS C TYR 100 CD1 Distance: 5.410723 - Hydrophobic, 131 - A LEU 492 CG VS C TYR 100 CD1 Distance: 5.242155 - Hydrophobic, 132 - A LEU 492 CG VS C TYR 100 CE1 Distance: 5.371186 - Hydrophobic, 133 - A LEU 492 CD1 VS C TYR 100 CB Distance: 5.242070 - Hydrophobic, 134 - A LEU 492 CD1 VS C TYR 100 CG Distance: 4.556127 - Hydrophobic, 135 - A LEU 492 CD1 VS C TYR 100 CD1 Distance: 3.933079 - Hydrophobic, 136 - A LEU 492 CD1 VS C TYR 100 CD2 Distance: 5.100706 - Hydrophobic, 137 - A LEU 492 CD1 VS C TYR 100 CE1 Distance: 3.924594 - Hydrophobic, 138 - A LEU 492 CD1 VS C TYR 100 CE2 Distance: 5.123267 - Hydrophobic, 139 - A GLN 493 CG VS C VAL 96 CG1 Distance: 4.970221 - Hydrophobic, 140 - A GLN 493 NE2 VS C VAL 96 O Distance: 2.986452 - Hydrogen Bonds, 141 - A GLN 493 NE2 VS C GLY 97 O Distance: 3.361942 - Hydrogen Bonds, 142 - A GLN 493 N VS C THR 98 OG1 Distance: 4.325417 - Hydrogen Bonds, 143 - A GLN 493 O VS C THR 98 OG1 Distance: 4.864317 - Hydrogen Bonds, 144 - A GLN 493 OE1 VS C THR 98 OG1 Distance: 3.594084 - Hydrogen Bonds, 145 - A GLN 493 NE2 VS C THR 98 OG1 Distance: 3.240099 - Hydrogen Bonds, 146 - A SER 494 N VS C GLY 97 O Distance: 4.163420 - Hydrogen Bonds, 147 - A SER 494 OG VS C GLY 97 O Distance: 3.984031 - Hydrogen Bonds, 148 - A SER 494 N VS C THR 98 OG1 Distance: 2.997194 - Hydrogen Bonds, 149 - A SER 494 O VS C THR 98 OG1 Distance: 4.834965 - Hydrogen Bonds, 150 - A SER 494 OG VS C THR 98 N Distance: 4.476692 - Hydrogen Bonds, 151 - A SER 494 OG VS C THR 98 OG1 Distance: 4.197691 - Hydrogen Bonds, 152 - A SER 494 OG VS C TYR 99 N Distance: 3.035110 - Hydrogen Bonds, 153 - A SER 494 OG VS C TYR 99 O Distance: 3.857312 - Hydrogen Bonds, 154 - A GLN 498 OE1 VS C THR 28 N Distance: 4.891333 - Hydrogen Bonds, 155 - A GLN 498 OE1 VS C THR 28 OG1 Distance: 2.715077 - Hydrogen Bonds, 156 - A GLN 498 NE2 VS C THR 28 OG1 Distance: 3.746467 - Hydrogen Bonds, 157 - A GLN 498 CB VS C LEU 29 CD2 Distance: 5.493750 - Hydrophobic, 158 - A GLN 498 CG VS C LEU 29 CG Distance: 4.948986 - Hydrophobic, 159 - A GLN 498 CG VS C LEU 29 CD2 Distance: 4.045506 - Hydrophobic, 160 - A GLN 498 OE1 VS C LEU 29 N Distance: 3.792566 - Hydrogen Bonds,