VIRAL PROTEIN/IMMUNE SYSTEM CRYSTAL STRUCTURE OF SARS-COV-2 RECEPTOR BINDING DOMAIN COMPLEXED WITH NANOBODY VHH V AND ANTIBODY FAB CC12.3: 0 - A TYR 369 O VS C TRP 47 NE1 Distance: 4.870409 - Hydrogen Bonds, 1 - A TYR 369 OH VS C TYR 52 OH Distance: 3.513668 - Hydrogen Bonds, 2 - A TYR 369 CE2 VS C GLU 58 CG Distance: 5.267065 - Hydrophobic, 3 - A TYR 369 OH VS C GLU 58 OE1 Distance: 3.760771 - Hydrogen Bonds, 4 - A TYR 369 OH VS C GLU 58 OE2 Distance: 2.726744 - Hydrogen Bonds, 5 - A ASN 370 O VS C GLN 60 NE2 Distance: 4.172686 - Hydrogen Bonds, 6 - A SER 371 O VS C TRP 47 NE1 Distance: 2.872137 - Hydrogen Bonds, 7 - A ALA 372 O VS C GLU 46 N Distance: 4.634069 - Hydrogen Bonds, 8 - A ALA 372 CB VS C GLU 46 CB Distance: 4.163283 - Hydrophobic, 9 - A ALA 372 CB VS C GLU 46 CG Distance: 3.531413 - Hydrophobic, 10 - A ALA 372 O VS C TRP 47 N Distance: 3.159114 - Hydrogen Bonds, 11 - A ALA 372 O VS C TRP 47 NE1 Distance: 3.898733 - Hydrogen Bonds, 12 - A ALA 372 CB VS C GLN 60 CB Distance: 5.248068 - Hydrophobic, 13 - A ALA 372 CB VS C GLN 60 CG Distance: 4.002928 - Hydrophobic, 14 - A SER 373 N VS C GLU 46 OE1 Distance: 4.596865 - Hydrogen Bonds, 15 - A SER 373 OG VS C GLU 46 OE1 Distance: 4.591971 - Hydrogen Bonds, 16 - A PHE 374 O VS C TRP 47 NE1 Distance: 3.624351 - Hydrogen Bonds, 17 - A SER 375 OG VS C LEU 45 O Distance: 4.402651 - Hydrogen Bonds, 18 - A LYS 378 NZ VS C GLU 95 OE1 Distance: 4.657032 - Attractive, Hydrogen Bonds, 19 - A LYS 378 NZ VS C GLU 95 OE2 Distance: 2.787375 - Attractive, Hydrogen Bonds, 20 - A LYS 378 NZ VS C SER 97 O Distance: 3.138813 - Hydrogen Bonds, 21 - A LYS 378 NZ VS C LEU 98 O Distance: 4.175329 - Hydrogen Bonds, 22 - A LYS 378 NZ VS C GLY 99 O Distance: 2.795240 - Hydrogen Bonds, 23 - A LYS 378 NZ VS C GLY 100 O Distance: 4.795918 - Hydrogen Bonds, 24 - A CYS 379 O VS C GLY 100 N Distance: 4.581868 - Hydrogen Bonds, 25 - A TYR 380 OH VS C SER 97 OG Distance: 4.086558 - Hydrogen Bonds, 26 - A TYR 380 OH VS C GLY 99 O Distance: 3.521845 - Hydrogen Bonds, 27 - A TYR 380 OH VS C GLY 100 N Distance: 4.723674 - Hydrogen Bonds, 28 - A GLY 404 O VS C TRP 103 NE1 Distance: 4.291760 - Hydrogen Bonds, 29 - A ARG 408 NE VS C GLY 101 O Distance: 4.292890 - Hydrogen Bonds, 30 - A ARG 408 NH1 VS C GLY 101 O Distance: 4.747772 - Hydrogen Bonds, 31 - A ARG 408 NH2 VS C GLY 101 O Distance: 2.483942 - Hydrogen Bonds, 32 - A ARG 408 NE VS C SER 102 OG Distance: 4.633790 - Hydrogen Bonds, 33 - A ARG 408 NH2 VS C SER 102 OG Distance: 3.402713 - Hydrogen Bonds, 34 - A GLN 414 NE2 VS C SER 97 OG Distance: 3.578944 - Hydrogen Bonds, 35 - A ASN 437 OD1 VS C GLN 39 NE2 Distance: 4.265295 - Hydrogen Bonds, 36 - A ASN 437 ND2 VS C GLN 39 OE1 Distance: 4.647496 - Hydrogen Bonds, 37 - A ASN 437 N VS C LEU 45 O Distance: 4.569038 - Hydrogen Bonds, 38 - A ASN 437 O VS C LEU 45 N Distance: 4.599921 - Hydrogen Bonds, 39 - A ASN 437 CB VS C LEU 45 CB Distance: 3.514405 - Hydrophobic, 40 - A ASN 437 CB VS C LEU 45 CG Distance: 4.643993 - Hydrophobic, 41 - A ASN 437 CB VS C LEU 45 CD2 Distance: 4.472656 - Hydrophobic, 42 - A ASN 437 OD1 VS C LEU 45 N Distance: 4.029077 - Hydrogen Bonds, 43 - A ASN 439 ND2 VS C GLN 39 OE1 Distance: 4.653381 - Hydrogen Bonds, 44 - A ASN 440 ND2 VS C GLY 42 O Distance: 4.096904 - Hydrogen Bonds, 45 - A ASN 440 OD1 VS C GLY 44 N Distance: 4.289235 - Hydrogen Bonds, 46 - A VAL 503 CB VS C LEU 45 CD1 Distance: 5.399108 - Hydrophobic, 47 - A VAL 503 CB VS C LEU 45 CD2 Distance: 5.348841 - Hydrophobic, 48 - A VAL 503 CG1 VS C LEU 45 CG Distance: 5.381840 - Hydrophobic, 49 - A VAL 503 CG1 VS C LEU 45 CD1 Distance: 5.153891 - Hydrophobic, 50 - A VAL 503 CG1 VS C LEU 45 CD2 Distance: 4.444477 - Hydrophobic, 51 - A VAL 503 CG2 VS C LEU 45 CG Distance: 5.131226 - Hydrophobic, 52 - A VAL 503 CG2 VS C LEU 45 CD1 Distance: 4.311174 - Hydrophobic, 53 - A VAL 503 CG2 VS C LEU 45 CD2 Distance: 4.871573 - Hydrophobic, 54 - A VAL 503 CB VS C TYR 91 CG Distance: 5.174937 - Hydrophobic, 55 - A VAL 503 CB VS C TYR 91 CD1 Distance: 4.792671 - Hydrophobic, 56 - A VAL 503 CB VS C TYR 91 CD2 Distance: 5.276010 - Hydrophobic, 57 - A VAL 503 CB VS C TYR 91 CE1 Distance: 4.534784 - Hydrophobic, 58 - A VAL 503 CB VS C TYR 91 CE2 Distance: 5.043795 - Hydrophobic, 59 - A VAL 503 CG1 VS C TYR 91 CD1 Distance: 5.424907 - Hydrophobic, 60 - A VAL 503 CG1 VS C TYR 91 CE1 Distance: 5.497215 - Hydrophobic, 61 - A VAL 503 CG2 VS C TYR 91 CG Distance: 4.516808 - Hydrophobic, 62 - A VAL 503 CG2 VS C TYR 91 CD1 Distance: 4.303506 - Hydrophobic, 63 - A VAL 503 CG2 VS C TYR 91 CD2 Distance: 4.263975 - Hydrophobic, 64 - A VAL 503 CG2 VS C TYR 91 CE1 Distance: 3.846691 - Hydrophobic, 65 - A VAL 503 CG2 VS C TYR 91 CE2 Distance: 3.801490 - Hydrophobic, 66 - A VAL 503 CB VS C TRP 103 CB Distance: 4.576752 - Hydrophobic, 67 - A VAL 503 CB VS C TRP 103 CG Distance: 4.446448 - Hydrophobic, 68 - A VAL 503 CB VS C TRP 103 CD2 Distance: 4.554751 - Hydrophobic, 69 - A VAL 503 CB VS C TRP 103 CE3 Distance: 4.832305 - Hydrophobic, 70 - A VAL 503 CG1 VS C TRP 103 CB Distance: 4.148742 - Hydrophobic, 71 - A VAL 503 CG1 VS C TRP 103 CG Distance: 3.550734 - Hydrophobic, 72 - A VAL 503 CG1 VS C TRP 103 CD2 Distance: 3.441116 - Hydrophobic, 73 - A VAL 503 CG1 VS C TRP 103 CE3 Distance: 3.904472 - Hydrophobic, 74 - A VAL 503 CG1 VS C TRP 103 CZ2 Distance: 4.293326 - Hydrophobic, 75 - A VAL 503 CG1 VS C TRP 103 CZ3 Distance: 4.471756 - Hydrophobic, 76 - A VAL 503 CG1 VS C TRP 103 CH2 Distance: 4.646497 - Hydrophobic, 77 - A VAL 503 CG2 VS C TRP 103 CD2 Distance: 5.339810 - Hydrophobic, 78 - A VAL 503 CG2 VS C TRP 103 CE3 Distance: 5.245890 - Hydrophobic, 79 - A GLN 506 OE1 VS C GLN 39 NE2 Distance: 3.427368 - Hydrogen Bonds, 80 - A GLN 506 NE2 VS C GLN 39 OE1 Distance: 3.318792 - Hydrogen Bonds, 81 - A TYR 508 CE1 VS C LEU 45 CD2 Distance: 5.148015 - Hydrophobic, 82 - A TYR 508 CE2 VS C LEU 45 CD2 Distance: 4.902080 - Hydrophobic, 83 - A TYR 508 CG VS C TRP 103 CD1 Distance: 6.131799 - Aromatic Stacking, 84 - A TYR 508 CD2 VS C TRP 103 CZ2 Distance: 5.430713 - Hydrophobic, 85 - A TYR 508 CE1 VS C TRP 103 CZ2 Distance: 5.160362 - Hydrophobic, 86 - A TYR 508 CE2 VS C TRP 103 CZ2 Distance: 4.207166 - Hydrophobic, 87 - A TYR 508 CE2 VS C TRP 103 CH2 Distance: 5.002700 - Hydrophobic, 88 - A TYR 508 OH VS C TRP 103 NE1 Distance: 4.184054 - Hydrogen Bonds,