VIRAL PROTEIN/IMMUNE SYSTEM SARS-COV-2 SPIKE IN COMPLEX WITH THE S2H13 NEUTRALIZING ANTIBODY FAB FRAGMENT (LOCAL REFINEMENT OF THE RECEPTOR-BINDING MOTIF AND FAB VARIABLE DOMAINS): 0 - L GLY 15 O VS A GLY 446 N Distance: 4.448164 - Hydrogen Bonds, 1 - L TYR 51 OH VS A GLY 485 N Distance: 4.255173 - Hydrogen Bonds, 2 - L TYR 51 OH VS A GLY 485 O Distance: 3.242312 - Hydrogen Bonds, 3 - L TYR 51 CE2 VS A PHE 486 CB Distance: 5.293985 - Hydrophobic, 4 - L TYR 51 OH VS A PHE 486 N Distance: 4.554109 - Hydrogen Bonds, 5 - L TYR 51 OH VS A CYS 488 O Distance: 4.513278 - Hydrogen Bonds, 6 - L ASN 55 CB VS A TYR 489 CE1 Distance: 5.429932 - Hydrophobic, 7 - L HIS 57 N VS A GLU 484 OE2 Distance: 4.492240 - Hydrogen Bonds, 8 - L HIS 57 CB VS A GLU 484 CG Distance: 5.061809 - Hydrophobic, 9 - L HIS 57 ND1 VS A GLU 484 OE1 Distance: 4.660105 - Attractive, Hydrogen Bonds, 10 - L HIS 57 ND1 VS A GLU 484 OE2 Distance: 3.206366 - Attractive, Hydrogen Bonds, 11 - L HIS 57 NE2 VS A GLU 484 OE1 Distance: 6.686218 - Attractive, 12 - L HIS 57 NE2 VS A GLU 484 OE2 Distance: 5.331943 - Attractive, 13 - L SER 58 N VS A GLU 484 OE1 Distance: 3.697755 - Hydrogen Bonds, 14 - L SER 58 N VS A GLU 484 OE2 Distance: 2.761459 - Hydrogen Bonds, 15 - L SER 58 OG VS A GLU 484 OE1 Distance: 2.808656 - Hydrogen Bonds, 16 - L SER 58 OG VS A GLU 484 OE2 Distance: 3.801913 - Hydrogen Bonds, 17 - L TRP 59 CE3 VS A GLU 484 CG Distance: 5.024354 - Hydrophobic, 18 - L TRP 59 CZ2 VS A GLU 484 CG Distance: 5.174967 - Hydrophobic, 19 - L TRP 59 CZ3 VS A GLU 484 CB Distance: 5.351967 - Hydrophobic, 20 - L TRP 59 CZ3 VS A GLU 484 CG Distance: 4.054096 - Hydrophobic, 21 - L TRP 59 CH2 VS A GLU 484 CG Distance: 4.147044 - Hydrophobic, 22 - L ALA 62 O VS A TYR 449 OH Distance: 4.226685 - Hydrogen Bonds, 23 - L ALA 62 CB VS A TYR 449 CB Distance: 3.929531 - Hydrophobic, 24 - L ALA 62 CB VS A TYR 449 CG Distance: 3.838365 - Hydrophobic, 25 - L ALA 62 CB VS A TYR 449 CD1 Distance: 4.805947 - Hydrophobic, 26 - L ALA 62 CB VS A TYR 449 CD2 Distance: 3.388067 - Hydrophobic, 27 - L ALA 62 CB VS A TYR 449 CE1 Distance: 5.308400 - Hydrophobic, 28 - L ALA 62 CB VS A TYR 449 CE2 Distance: 4.061945 - Hydrophobic, 29 - L ARG 63 O VS A TYR 449 OH Distance: 4.861322 - Hydrogen Bonds, 30 - L ARG 63 CB VS A TYR 449 CG Distance: 5.391272 - Hydrophobic, 31 - L ARG 63 CB VS A TYR 449 CD1 Distance: 4.763267 - Hydrophobic, 32 - L ARG 63 CB VS A TYR 449 CE1 Distance: 4.562046 - Hydrophobic, 33 - L ARG 63 CG VS A TYR 449 CB Distance: 5.171200 - Hydrophobic, 34 - L ARG 63 CG VS A TYR 449 CG Distance: 4.582458 - Hydrophobic, 35 - L ARG 63 CG VS A TYR 449 CD1 Distance: 3.811806 - Hydrophobic, 36 - L ARG 63 CG VS A TYR 449 CD2 Distance: 5.295645 - Hydrophobic, 37 - L ARG 63 CG VS A TYR 449 CE1 Distance: 3.904144 - Hydrophobic, 38 - L ARG 63 CG VS A TYR 449 CE2 Distance: 5.359856 - Hydrophobic, 39 - L SER 78 O VS A GLY 447 N Distance: 4.798324 - Hydrogen Bonds, 40 - L SER 78 OG VS A TYR 449 OH Distance: 2.968370 - Hydrogen Bonds, 41 - L SER 78 OG VS A GLN 498 NE2 Distance: 4.478461 - Hydrogen Bonds, 42 - L GLY 79 N VS A GLY 446 O Distance: 3.836420 - Hydrogen Bonds, 43 - L ARG 81 NE VS A LYS 444 NZ Distance: 6.225284 - Repulsive, 44 - L ARG 81 CZ VS A LYS 444 NZ Distance: 6.007017 - Repulsive, 45 - L ARG 81 NH1 VS A LYS 444 NZ Distance: 5.639343 - Repulsive, 46 - L ARG 81 NH2 VS A LYS 444 NZ Distance: 6.558911 - Repulsive,