1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Atkins, A.R. Chung, J. Deechongkit, S. Little, E.B. Edelman, G.M. Wright, P.E. Cunningham, B.A. Dyson, H.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking UK J.Mol.Biol. JMOBAK 0070 0022-2836 311 161 172 10.1006/jmbi.2001.4861 11469865 Solution structure of the third immunoglobulin domain of the neural cell adhesion molecule N-CAM: can solution studies define the mechanism of homophilic binding? 2001 10.2210/pdb1ie5/pdb pdb_00001ie5 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 11851.091 NEURAL CELL ADHESION MOLECULE THIRD IMMUNOGLOBULIN DOMAIN, RESIDUES 183-288 1 man polymer N-CAM no no GKDIQVIVNVPPSVRARQSTMNATANLSQSVTLACDADGFPEPTMTWTKDGEPIEQEDNEEKYSFNYDGSELIIKKVDKS DEAEYICIAENKAGEQDATIHLKVFAK GKDIQVIVNVPPSVRARQSTMNATANLSQSVTLACDADGFPEPTMTWTKDGEPIEQEDNEEKYSFNYDGSELIIKKVDKS DEAEYICIAENKAGEQDATIHLKVFAK A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n chicken Gallus Escherichia Escherichia coli sample 9031 BRAIN Gallus gallus 469008 Escherichia coli BL21(DE3) BL21(DE3) PLASMID PET3D database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-08-08 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _struct_ref_seq_dif.details SEQUENCE THE PROTEIN IS A FRAGMENT CONSISTING OF THE THIRD IMMUNOGLOBULIN DOMAIN. The residue numbers that are referred to (183-288) are for the processed protein, after removal of the signal sequence. The signal sequence is included in the SwissProt database, hence the discrepancy in the numbering. The correct match with the database numbering is with residues 202 -307, with an additional N-terminal glycine introducing in the cloning. RCSB Y RCSB 2001-04-06 REL REL The structure was determined using triple-resonance NMR spectroscopy structures with the least restraint violations 200 20 3D_13C-separated_NOESY 3D_15N-separated_NOESY HNHB CGCN, CGCO no salt 6.8 ambient 298 K The structure is based on 1461 unique NOE-derived restraints, 393 ambiguous NOE-derived restraints, and 131 dihedral angle restraints. simulated annealing restrained molecular dynamics 6 1mM IgIII U-15N,13C; 90% H2O, 10% D2O 90% H2O/10% D2O Delaglio processing NMRPipe 1.8 Guentert structure solution DYANA 1.5 Case refinement Amber 7 Johnson data analysis NMRView 3 Duggan data analysis SANE 1 500 Bruker AMX GLY 1 n 1 GLY 1 A LYS 2 n 2 LYS 2 A ASP 3 n 3 ASP 3 A ILE 4 n 4 ILE 4 A GLN 5 n 5 GLN 5 A VAL 6 n 6 VAL 6 A ILE 7 n 7 ILE 7 A VAL 8 n 8 VAL 8 A ASN 9 n 9 ASN 9 A VAL 10 n 10 VAL 10 A PRO 11 n 11 PRO 11 A PRO 12 n 12 PRO 12 A SER 13 n 13 SER 13 A VAL 14 n 14 VAL 14 A ARG 15 n 15 ARG 15 A ALA 16 n 16 ALA 16 A ARG 17 n 17 ARG 17 A GLN 18 n 18 GLN 18 A SER 19 n 19 SER 19 A THR 20 n 20 THR 20 A MET 21 n 21 MET 21 A ASN 22 n 22 ASN 22 A ALA 23 n 23 ALA 23 A THR 24 n 24 THR 24 A ALA 25 n 25 ALA 25 A ASN 26 n 26 ASN 26 A LEU 27 n 27 LEU 27 A SER 28 n 28 SER 28 A GLN 29 n 29 GLN 29 A SER 30 n 30 SER 30 A VAL 31 n 31 VAL 31 A THR 32 n 32 THR 32 A LEU 33 n 33 LEU 33 A ALA 34 n 34 ALA 34 A CYS 35 n 35 CYS 35 A ASP 36 n 36 ASP 36 A ALA 37 n 37 ALA 37 A ASP 38 n 38 ASP 38 A GLY 39 n 39 GLY 39 A PHE 40 n 40 PHE 40 A PRO 41 n 41 PRO 41 A GLU 42 n 42 GLU 42 A PRO 43 n 43 PRO 43 A THR 44 n 44 THR 44 A MET 45 n 45 MET 45 A THR 46 n 46 THR 46 A TRP 47 n 47 TRP 47 A THR 48 n 48 THR 48 A LYS 49 n 49 LYS 49 A ASP 50 n 50 ASP 50 A GLY 51 n 51 GLY 51 A GLU 52 n 52 GLU 52 A PRO 53 n 53 PRO 53 A ILE 54 n 54 ILE 54 A GLU 55 n 55 GLU 55 A GLN 56 n 56 GLN 56 A GLU 57 n 57 GLU 57 A ASP 58 n 58 ASP 58 A ASN 59 n 59 ASN 59 A GLU 60 n 60 GLU 60 A GLU 61 n 61 GLU 61 A LYS 62 n 62 LYS 62 A TYR 63 n 63 TYR 63 A SER 64 n 64 SER 64 A PHE 65 n 65 PHE 65 A ASN 66 n 66 ASN 66 A TYR 67 n 67 TYR 67 A ASP 68 n 68 ASP 68 A GLY 69 n 69 GLY 69 A SER 70 n 70 SER 70 A GLU 71 n 71 GLU 71 A LEU 72 n 72 LEU 72 A ILE 73 n 73 ILE 73 A ILE 74 n 74 ILE 74 A LYS 75 n 75 LYS 75 A LYS 76 n 76 LYS 76 A VAL 77 n 77 VAL 77 A ASP 78 n 78 ASP 78 A LYS 79 n 79 LYS 79 A SER 80 n 80 SER 80 A ASP 81 n 81 ASP 81 A GLU 82 n 82 GLU 82 A ALA 83 n 83 ALA 83 A GLU 84 n 84 GLU 84 A TYR 85 n 85 TYR 85 A ILE 86 n 86 ILE 86 A CYS 87 n 87 CYS 87 A ILE 88 n 88 ILE 88 A ALA 89 n 89 ALA 89 A GLU 90 n 90 GLU 90 A ASN 91 n 91 ASN 91 A LYS 92 n 92 LYS 92 A ALA 93 n 93 ALA 93 A GLY 94 n 94 GLY 94 A GLU 95 n 95 GLU 95 A GLN 96 n 96 GLN 96 A ASP 97 n 97 ASP 97 A ALA 98 n 98 ALA 98 A THR 99 n 99 THR 99 A ILE 100 n 100 ILE 100 A HIS 101 n 101 HIS 101 A LEU 102 n 102 LEU 102 A LYS 103 n 103 LYS 103 A VAL 104 n 104 VAL 104 A PHE 105 n 105 PHE 105 A ALA 106 n 106 ALA 106 A LYS 107 n 107 LYS 107 A author_defined_assembly 1 monomeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 A N ARG 15 A N ARG 15 A O ASP 36 A O ASP 36 A N MET 21 A N MET 21 A O HIS 101 A O HIS 101 A N LEU 102 A N LEU 102 A O ALA 83 A O ALA 83 A O GLU 90 A O GLU 90 A N THR 44 A N THR 44 A N LYS 49 A N LYS 49 A O GLU 52 A O GLU 52 A O LEU 33 A O LEU 33 A N LEU 72 A N LEU 72 A N ILE 73 A N ILE 73 A O SER 64 A O SER 64 7 A TYR 85 0.065 SIDE CHAIN 17 A ARG 17 0.076 SIDE CHAIN 1 3.20 0.50 120.30 123.50 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 2 4.21 0.50 120.30 124.51 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 3 3.23 0.50 120.30 123.53 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 4 3.37 0.50 120.30 123.67 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 4 11.80 1.90 113.70 125.50 A A A CA CB CG TRP TRP TRP 47 47 47 N 5 12.07 1.90 113.70 125.77 A A A CA CB CG TRP TRP TRP 47 47 47 N 7 12.44 1.90 113.70 126.14 A A A CA CB CG TRP TRP TRP 47 47 47 N 9 4.50 0.50 120.30 124.80 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 12 3.21 0.50 120.30 123.51 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 16 3.51 0.50 120.30 123.81 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 16 11.99 1.90 113.70 125.69 A A A CA CB CG TRP TRP TRP 47 47 47 N 17 3.81 0.50 120.30 124.11 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 17 -3.74 0.50 120.30 116.56 A A A NE CZ NH2 ARG ARG ARG 15 15 15 N 18 3.09 0.50 120.30 123.39 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 19 3.43 0.50 120.30 123.73 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 19 3.22 0.50 120.30 123.52 A A A NE CZ NH1 ARG ARG ARG 17 17 17 N 20 3.31 0.50 120.30 123.61 A A A NE CZ NH1 ARG ARG ARG 15 15 15 N 20 12.90 1.90 113.70 126.60 A A A CA CB CG TRP TRP TRP 47 47 47 N 1 A ILE 4 -153.88 -49.02 1 A GLN 5 -147.20 30.26 1 A SER 19 73.76 -40.75 1 A ASP 50 69.72 -9.34 1 A ILE 54 -96.47 39.24 1 A ASP 58 -153.90 -23.10 1 A GLU 60 -152.31 11.53 1 A LYS 62 -157.10 48.92 1 A SER 70 -143.05 24.63 1 A LYS 76 27.23 74.98 1 A ASP 78 -137.04 -37.10 1 A LYS 79 165.75 -31.84 1 A ALA 106 -93.09 46.49 2 A GLN 5 -160.58 -157.64 2 A CYS 35 -117.71 64.91 2 A ASP 50 70.42 -32.49 2 A GLU 55 -23.72 88.33 2 A ASP 58 -157.74 -28.65 2 A GLU 61 -22.60 -51.24 2 A LYS 62 -154.57 47.55 2 A SER 70 -152.04 17.22 2 A GLU 71 -63.00 92.94 2 A ALA 106 -106.24 53.31 3 A GLN 5 -156.36 29.24 3 A VAL 8 -151.83 -45.86 3 A SER 13 -153.40 78.00 3 A ASN 26 72.69 -1.32 3 A CYS 35 -114.00 73.82 3 A GLU 55 -13.35 85.65 3 A ASP 58 -155.40 -30.94 3 A LYS 62 -154.53 47.92 3 A SER 70 -144.09 28.80 3 A ALA 106 -103.52 48.36 4 A VAL 8 -156.04 -38.74 4 A SER 13 -140.70 50.46 4 A ASN 26 69.00 -6.13 4 A GLU 42 -37.82 133.27 4 A ASP 50 71.07 -17.91 4 A ILE 54 -103.23 42.51 4 A ASP 58 -158.81 -20.05 4 A LYS 62 -157.63 48.94 5 A GLN 5 -82.95 31.12 5 A VAL 8 -138.94 -30.64 5 A ASN 26 72.74 -3.17 5 A GLU 42 -27.10 108.17 5 A LYS 49 -100.93 51.89 5 A ASP 50 77.06 -2.76 5 A ILE 54 -106.43 40.31 5 A ASP 58 -153.17 -4.78 5 A GLU 60 -161.43 12.16 5 A LYS 62 -157.43 48.09 5 A SER 70 -179.73 -44.68 5 A GLU 71 15.53 73.64 6 A VAL 8 -146.72 -28.85 6 A LEU 27 -162.51 8.95 6 A GLU 42 -37.38 125.68 6 A LYS 49 -94.35 57.61 6 A ILE 54 -106.30 44.48 6 A ASP 58 -157.40 -24.27 6 A GLU 60 -155.86 11.05 6 A LYS 62 -157.14 47.68 6 A ALA 106 -91.37 44.86 7 A ASN 26 71.74 -15.83 7 A CYS 35 -112.71 72.62 7 A LYS 49 -94.84 51.58 7 A ILE 54 -99.68 53.49 7 A GLU 55 -69.04 82.52 7 A ASP 58 -143.27 -32.43 7 A LYS 62 -157.44 48.38 7 A SER 70 -144.30 32.21 7 A ALA 106 -100.20 49.07 8 A GLN 5 -160.29 21.06 8 A SER 19 -149.17 -38.60 8 A LYS 49 -100.63 55.06 8 A ASP 50 80.15 -7.77 8 A GLN 56 -69.85 1.40 8 A ASP 58 -152.48 -2.99 8 A GLU 60 -151.33 12.26 8 A LYS 62 -158.19 47.07 8 A SER 70 -88.56 -71.61 8 A ALA 106 -145.19 33.98 9 A GLN 5 -171.41 -177.49 9 A ASN 26 66.61 -6.47 9 A LYS 49 -97.25 51.54 9 A GLU 55 -45.34 95.36 9 A ASP 58 -136.69 -31.69 9 A GLU 60 -148.44 10.61 9 A LYS 62 -164.20 47.16 10 A GLN 5 -83.65 33.72 10 A PRO 11 -57.53 170.94 10 A ASN 26 74.70 -9.50 10 A LYS 49 -109.99 57.45 10 A ASP 50 77.61 -6.20 10 A ILE 54 -86.45 49.37 10 A ASP 58 -161.72 -23.56 10 A GLU 61 -37.68 -37.11 10 A LYS 62 -153.74 48.40 10 A ALA 106 -90.06 42.68 11 A GLN 5 -79.35 36.72 11 A ILE 7 -61.57 97.97 11 A VAL 8 -146.15 -38.12 11 A ASN 26 72.16 -1.12 11 A LYS 49 -94.99 52.38 11 A ASP 50 69.89 -17.52 11 A GLU 55 -29.87 91.79 11 A ASP 58 -153.29 -28.61 11 A GLU 60 -151.29 7.34 11 A GLU 61 -29.46 -43.66 11 A LYS 62 -157.54 48.35 11 A TYR 67 -31.67 144.85 11 A ASP 68 71.89 -10.59 11 A GLU 82 -37.24 130.84 11 A GLU 90 -164.50 80.21 11 A ALA 106 -97.25 47.28 12 A ILE 4 -100.83 57.28 12 A VAL 6 -79.98 45.34 12 A ASN 9 -37.26 126.79 12 A SER 13 -150.34 78.63 12 A ASN 26 79.49 -12.77 12 A LYS 49 -102.80 49.38 12 A ILE 54 -100.97 44.90 12 A ASP 58 -156.52 -22.29 12 A LYS 62 -154.03 49.92 13 A GLN 5 -152.12 25.41 13 A VAL 8 -156.20 -44.76 13 A CYS 35 -112.77 64.51 13 A GLU 42 -33.05 126.21 13 A LYS 49 -101.77 70.53 13 A ASP 50 69.74 -16.34 13 A GLU 55 -31.34 114.10 13 A ASP 58 -158.42 -30.78 13 A GLU 61 -28.81 -45.80 13 A LYS 62 -154.78 49.17 13 A SER 70 -164.58 -55.83 13 A GLU 71 9.72 75.40 13 A ASP 78 -133.77 -38.74 13 A LYS 79 161.74 -26.22 13 A ALA 106 -86.45 45.38 14 A LYS 2 -157.21 47.46 14 A GLN 5 -148.56 24.28 14 A VAL 8 -142.92 -41.84 14 A ASN 9 59.25 166.35 14 A ASN 26 74.43 -9.56 14 A GLU 42 -38.18 132.71 14 A ASP 50 66.76 -12.74 14 A ASP 58 -161.77 -26.59 14 A GLU 60 -152.08 7.17 14 A GLU 61 -18.27 -52.85 14 A LYS 62 -156.49 48.92 14 A SER 70 -99.91 -61.82 14 A ALA 106 -105.70 41.39 15 A ILE 4 -147.94 -54.60 15 A GLN 5 -156.74 27.95 15 A VAL 8 -142.75 52.47 15 A LYS 49 -100.80 65.70 15 A ASP 50 67.62 -2.95 15 A GLN 56 -67.63 1.81 15 A ASP 58 -151.84 -14.24 15 A LYS 62 -154.15 49.95 16 A LYS 49 -96.71 48.98 16 A ILE 54 -96.11 49.88 16 A ASP 58 -142.82 -9.40 16 A LYS 62 -159.89 47.02 16 A SER 70 -164.00 46.25 16 A LYS 76 62.89 -40.42 16 A VAL 77 68.28 131.05 16 A ALA 106 -147.71 31.28 17 A GLN 5 -159.23 31.83 17 A VAL 8 -147.19 -39.99 17 A SER 13 -93.09 49.60 17 A ASP 50 68.15 -5.20 17 A ILE 54 -98.84 45.55 17 A ASP 58 -156.30 -20.41 17 A GLU 60 -147.57 11.77 17 A LYS 62 -158.42 47.52 17 A SER 70 -92.05 -65.97 17 A ALA 106 -87.27 48.93 18 A GLN 5 -77.32 26.91 18 A SER 19 70.86 -37.90 18 A CYS 35 -112.34 78.82 18 A GLU 42 -39.33 136.71 18 A ASP 50 70.27 -28.65 18 A GLU 55 -53.24 96.12 18 A GLN 56 -66.24 2.20 18 A ASP 58 -159.11 -28.35 18 A GLU 60 -152.95 9.46 18 A GLU 61 -20.12 -52.31 18 A LYS 62 -154.02 48.79 18 A SER 70 -177.72 -32.36 18 A GLU 71 -10.94 85.15 19 A LYS 2 -86.97 35.91 19 A GLN 5 -75.95 32.31 19 A VAL 8 -141.59 -42.89 19 A SER 13 -150.85 48.10 19 A ASN 26 71.09 -4.20 19 A GLU 42 -13.67 94.28 19 A LYS 49 -107.86 74.54 19 A ASP 50 67.55 -16.03 19 A ASP 58 -155.85 -19.11 19 A LYS 62 -159.91 47.25 19 A SER 70 -95.54 -62.16 19 A ALA 106 -92.82 55.76 20 A ILE 4 -114.27 -76.34 20 A GLN 5 -164.58 25.74 20 A ILE 7 -59.35 103.88 20 A ASN 26 70.12 -11.52 20 A GLU 42 -26.85 107.08 20 A LYS 49 -107.34 52.63 20 A ASP 50 73.47 -19.02 20 A GLU 55 -69.80 62.21 20 A GLU 60 -165.51 3.89 20 A LYS 62 -162.72 47.84 20 A ALA 106 -90.16 50.89 NMR STRUCTURE OF THE THIRD IMMUNOGLOBULIN DOMAIN FROM THE NEURAL CELL ADHESION MOLECULE. 1 N N disulf 2.012 A CYS 35 A SG CYS 35 1_555 A CYS 87 A SG CYS 87 1_555 CELL ADHESION Intermediate Immunoglobulin fold, CELL ADHESION A PHE 40 A PHE 40 1 A PRO 41 A PRO 41 -8.04 A PHE 40 A PHE 40 2 A PRO 41 A PRO 41 -7.56 A PHE 40 A PHE 40 3 A PRO 41 A PRO 41 0.71 A PHE 40 A PHE 40 4 A PRO 41 A PRO 41 -4.32 A PHE 40 A PHE 40 5 A PRO 41 A PRO 41 -2.20 A PHE 40 A PHE 40 6 A PRO 41 A PRO 41 -10.58 A PHE 40 A PHE 40 7 A PRO 41 A PRO 41 10.01 A PHE 40 A PHE 40 8 A PRO 41 A PRO 41 4.56 A PHE 40 A PHE 40 9 A PRO 41 A PRO 41 -9.51 A PHE 40 A PHE 40 10 A PRO 41 A PRO 41 -7.59 A PHE 40 A PHE 40 11 A PRO 41 A PRO 41 4.36 A PHE 40 A PHE 40 12 A PRO 41 A PRO 41 -2.52 A PHE 40 A PHE 40 13 A PRO 41 A PRO 41 -10.43 A PHE 40 A PHE 40 14 A PRO 41 A PRO 41 -4.14 A PHE 40 A PHE 40 15 A PRO 41 A PRO 41 0.88 A PHE 40 A PHE 40 16 A PRO 41 A PRO 41 0.10 A PHE 40 A PHE 40 17 A PRO 41 A PRO 41 -10.71 A PHE 40 A PHE 40 18 A PRO 41 A PRO 41 -10.10 A PHE 40 A PHE 40 19 A PRO 41 A PRO 41 0.00 A PHE 40 A PHE 40 20 A PRO 41 A PRO 41 -8.01 NCAM1_CHICK UNP 1 202 P13590 FKDIQVIVNVPPSVRARQSTMNATANLSQSVTLACDADGFPEPTMTWTKDGEPIEQEDNEEKYSFNYDGSELIIKKVDKS DEAEYICIAENKAGEQDATIHLKVFAK 202 307 1IE5 2 107 P13590 A 1 2 107 1 cloning artifact GLY 1 1IE5 A P13590 UNP 1 2 5 3 anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A VAL 10 A VAL 10 A ALA 16 A ALA 16 A CYS 35 A CYS 35 A PHE 40 A PHE 40 A THR 20 A THR 20 A THR 24 A THR 24 A GLU 95 A GLU 95 A PHE 105 A PHE 105 A ALA 83 A ALA 83 A GLU 90 A GLU 90 A THR 44 A THR 44 A LYS 49 A LYS 49 A GLU 52 A GLU 52 A PRO 53 A PRO 53 A GLN 29 A GLN 29 A LEU 33 A LEU 33 A LEU 72 A LEU 72 A VAL 77 A VAL 77 A TYR 63 A TYR 63 A SER 64 A SER 64