VIRAL PROTEIN/IMMUNE SYSTEM SARS-COV-2 SPIKE IN COMPLEX WITH THE S2A4 NEUTRALIZING ANTIBODY FAB FRAGMENT (LOCAL REFINEMENT OF THE RECEPTOR-BINDING DOMAIN AND FAB VARIABLE DOMAINS): 0 - H TRP 33 NE1 VS A ASN 370 OD1 Distance: 2.927392 - Hydrogen Bonds, 1 - H TRP 33 CZ2 VS A ASN 370 CB Distance: 3.947806 - Hydrophobic, 2 - H TRP 33 CH2 VS A ASN 370 CB Distance: 5.035761 - Hydrophobic, 3 - H LYS 52 NZ VS A ASN 370 O Distance: 4.411294 - Hydrogen Bonds, 4 - H GLN 53 NE2 VS A ASN 370 OD1 Distance: 3.643854 - Hydrogen Bonds, 5 - H TYR 59 CG VS A ALA 372 CB Distance: 5.367954 - Hydrophobic, 6 - H TYR 59 CD1 VS A ALA 372 CB Distance: 4.680775 - Hydrophobic, 7 - H TYR 59 CD2 VS A ALA 372 CB Distance: 5.268504 - Hydrophobic, 8 - H TYR 59 CE1 VS A ALA 372 CB Distance: 3.723934 - Hydrophobic, 9 - H TYR 59 CE2 VS A ALA 372 CB Distance: 4.435016 - Hydrophobic, 10 - H TYR 59 OH VS A ALA 372 N Distance: 3.860907 - Hydrogen Bonds, 11 - H TRP 100 CG VS A TYR 369 CD1 Distance: 6.792945 - Aromatic Stacking, 12 - H TRP 100 CE3 VS A TYR 369 CD1 Distance: 5.047846 - Hydrophobic, 13 - H TRP 100 CE3 VS A TYR 369 CE1 Distance: 4.429513 - Hydrophobic, 14 - H TRP 100 CZ2 VS A TYR 369 CE1 Distance: 5.338201 - Hydrophobic, 15 - H TRP 100 CZ3 VS A TYR 369 CG Distance: 5.324990 - Hydrophobic, 16 - H TRP 100 CZ3 VS A TYR 369 CD1 Distance: 4.387889 - Hydrophobic, 17 - H TRP 100 CZ3 VS A TYR 369 CE1 Distance: 3.559779 - Hydrophobic, 18 - H TRP 100 CZ3 VS A TYR 369 CE2 Distance: 4.902756 - Hydrophobic, 19 - H TRP 100 CH2 VS A TYR 369 CD1 Distance: 5.198025 - Hydrophobic, 20 - H TRP 100 CH2 VS A TYR 369 CE1 Distance: 4.119359 - Hydrophobic, 21 - H TRP 100 CH2 VS A TYR 369 CE2 Distance: 5.127371 - Hydrophobic, 22 - H TRP 100 CB VS A THR 385 CG2 Distance: 4.967150 - Hydrophobic, 23 - H TRP 100 CG VS A THR 385 CG2 Distance: 4.792868 - Hydrophobic, 24 - H TRP 100 CD2 VS A THR 385 CG2 Distance: 4.217826 - Hydrophobic, 25 - H TRP 100 CE3 VS A THR 385 CG2 Distance: 3.615162 - Hydrophobic, 26 - H TRP 100 CZ2 VS A THR 385 CG2 Distance: 5.256701 - Hydrophobic, 27 - H TRP 100 CZ3 VS A THR 385 CG2 Distance: 3.937806 - Hydrophobic, 28 - H TRP 100 CH2 VS A THR 385 CG2 Distance: 4.754981 - Hydrophobic, 29 - H TRP 100 CZ3 VS A ASN 388 CB Distance: 5.494169 - Hydrophobic, 30 - H TRP 100 CH2 VS A ASN 388 CB Distance: 4.778703 - Hydrophobic, 31 - H TRP 101 CB VS A TYR 369 CB Distance: 5.084210 - Hydrophobic, 32 - H TRP 101 CB VS A TYR 369 CG Distance: 4.812564 - Hydrophobic, 33 - H TRP 101 CB VS A TYR 369 CD1 Distance: 3.773515 - Hydrophobic, 34 - H TRP 101 CB VS A TYR 369 CE1 Distance: 4.155789 - Hydrophobic, 35 - H TRP 101 CG VS A TYR 369 CB Distance: 5.213482 - Hydrophobic, 36 - H TRP 101 CG VS A TYR 369 CG Distance: 5.151258 - Hydrophobic, 37 - H TRP 101 CG VS A TYR 369 CG Distance: 5.967135 - Aromatic Stacking, 38 - H TRP 101 CG VS A TYR 369 CD1 Distance: 4.405041 - Hydrophobic, 39 - H TRP 101 CG VS A TYR 369 CE1 Distance: 4.919862 - Hydrophobic, 40 - H TRP 101 CD2 VS A TYR 369 CB Distance: 4.627631 - Hydrophobic, 41 - H TRP 101 CD2 VS A TYR 369 CG Distance: 4.933706 - Hydrophobic, 42 - H TRP 101 CD2 VS A TYR 369 CD1 Distance: 4.544201 - Hydrophobic, 43 - H TRP 101 CD2 VS A TYR 369 CE1 Distance: 5.358258 - Hydrophobic, 44 - H TRP 101 CE3 VS A TYR 369 CB Distance: 3.747999 - Hydrophobic, 45 - H TRP 101 CE3 VS A TYR 369 CG Distance: 4.417805 - Hydrophobic, 46 - H TRP 101 CE3 VS A TYR 369 CD1 Distance: 4.282827 - Hydrophobic, 47 - H TRP 101 CE3 VS A TYR 369 CE1 Distance: 5.366992 - Hydrophobic, 48 - H TRP 101 CZ3 VS A TYR 369 CB Distance: 4.056214 - Hydrophobic, 49 - H TRP 101 CZ3 VS A TYR 369 CG Distance: 5.013788 - Hydrophobic, 50 - H TRP 101 CZ3 VS A TYR 369 CD1 Distance: 5.205993 - Hydrophobic, 51 - H TRP 101 CH2 VS A TYR 369 CB Distance: 5.109590 - Hydrophobic, 52 - H TRP 101 CG VS A PHE 377 CD1 Distance: 6.737426 - Aromatic Stacking, 53 - H TRP 101 CE3 VS A PHE 377 CD1 Distance: 5.124544 - Hydrophobic, 54 - H TRP 101 CE3 VS A PHE 377 CE1 Distance: 4.910774 - Hydrophobic, 55 - H TRP 101 CE3 VS A PHE 377 CZ Distance: 5.414634 - Hydrophobic, 56 - H TRP 101 CZ2 VS A PHE 377 CD1 Distance: 5.366823 - Hydrophobic, 57 - H TRP 101 CZ2 VS A PHE 377 CE1 Distance: 5.298383 - Hydrophobic, 58 - H TRP 101 CZ3 VS A PHE 377 CB Distance: 5.381725 - Hydrophobic, 59 - H TRP 101 CZ3 VS A PHE 377 CG Distance: 4.712886 - Hydrophobic, 60 - H TRP 101 CZ3 VS A PHE 377 CD1 Distance: 3.936485 - Hydrophobic, 61 - H TRP 101 CZ3 VS A PHE 377 CD2 Distance: 5.338517 - Hydrophobic, 62 - H TRP 101 CZ3 VS A PHE 377 CE1 Distance: 3.918264 - Hydrophobic, 63 - H TRP 101 CZ3 VS A PHE 377 CE2 Distance: 5.322459 - Hydrophobic, 64 - H TRP 101 CZ3 VS A PHE 377 CZ Distance: 4.666925 - Hydrophobic, 65 - H TRP 101 CH2 VS A PHE 377 CG Distance: 5.087118 - Hydrophobic, 66 - H TRP 101 CH2 VS A PHE 377 CD1 Distance: 4.085197 - Hydrophobic, 67 - H TRP 101 CH2 VS A PHE 377 CE1 Distance: 4.154296 - Hydrophobic, 68 - H TRP 101 CH2 VS A PHE 377 CZ Distance: 5.184298 - Hydrophobic, 69 - H TRP 101 CG VS A PRO 384 CB Distance: 5.038707 - Hydrophobic, 70 - H TRP 101 CD2 VS A PRO 384 CB Distance: 4.273680 - Hydrophobic, 71 - H TRP 101 CD2 VS A PRO 384 CG Distance: 4.977168 - Hydrophobic, 72 - H TRP 101 CE3 VS A PRO 384 CB Distance: 4.420584 - Hydrophobic, 73 - H TRP 101 CE3 VS A PRO 384 CG Distance: 5.033499 - Hydrophobic, 74 - H TRP 101 CZ2 VS A PRO 384 CB Distance: 3.615515 - Hydrophobic, 75 - H TRP 101 CZ2 VS A PRO 384 CG Distance: 3.565361 - Hydrophobic, 76 - H TRP 101 CZ3 VS A PRO 384 CB Distance: 4.167334 - Hydrophobic, 77 - H TRP 101 CZ3 VS A PRO 384 CG Distance: 4.404882 - Hydrophobic, 78 - H TRP 101 CH2 VS A PRO 384 CB Distance: 3.775508 - Hydrophobic, 79 - H TRP 101 CH2 VS A PRO 384 CG Distance: 3.644851 - Hydrophobic, 80 - H TRP 101 CB VS A THR 385 CG2 Distance: 5.337348 - Hydrophobic, 81 - H TRP 101 CG VS A THR 385 CG2 Distance: 4.479019 - Hydrophobic, 82 - H TRP 101 CD2 VS A THR 385 CG2 Distance: 4.984983 - Hydrophobic, 83 - H TRP 101 CZ2 VS A THR 385 CG2 Distance: 5.238850 - Hydrophobic, 84 - H LEU 102 N VS A TYR 369 O Distance: 3.972347 - Hydrogen Bonds, 85 - H LEU 102 N VS A ASN 370 OD1 Distance: 4.221316 - Hydrogen Bonds, 86 - H LEU 102 CB VS A ASN 370 CB Distance: 5.446075 - Hydrophobic, 87 - H LEU 102 CG VS A ALA 372 CB Distance: 5.300687 - Hydrophobic, 88 - H LEU 102 CD1 VS A ALA 372 CB Distance: 5.438692 - Hydrophobic, 89 - H LEU 102 CD2 VS A ALA 372 CB Distance: 4.101008 - Hydrophobic, 90 - H ARG 103 N VS A TYR 369 O Distance: 4.838106 - Hydrogen Bonds, 91 - H ARG 103 NE VS A SER 371 O Distance: 3.541002 - Hydrogen Bonds, 92 - H ARG 103 NH2 VS A SER 371 O Distance: 2.853630 - Hydrogen Bonds, 93 - H ARG 103 NH2 VS A ALA 372 O Distance: 4.027210 - Hydrogen Bonds, 94 - H ARG 103 NE VS A PHE 374 O Distance: 4.563626 - Hydrogen Bonds, 95 - H ARG 103 NH1 VS A PHE 374 O Distance: 2.961931 - Hydrogen Bonds, 96 - H ARG 103 NH2 VS A PHE 374 O Distance: 2.713873 - Hydrogen Bonds, 97 - H ARG 103 NH1 VS A SER 375 O Distance: 4.115158 - Hydrogen Bonds, 98 - H ARG 103 CG VS A PHE 377 CB Distance: 5.100221 - Hydrophobic, 99 - H ARG 103 CG VS A PHE 377 CG Distance: 5.485086 - Hydrophobic,