1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Ye, K. Serganov, A. Hu, W. Patel, D.J. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 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 IX Eur.J.Biochem. EJBCAI 0262 0014-2956 269 5182 5191 10.1046/j.1432-1033.2002.03222.x 12392550 Ribosome-associated factor Y adopts a fold resembling a double-stranded RNA binding domain scaffold. 2002 10.2210/pdb1l4s/pdb pdb_00001l4s 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 SINGLE WAVELENGTH M 1 1.0 12672.386 Protein yfiA 1 man polymer Ribosome Associated Factor Y no no TMNITSKQMEITPAIRQHVADRLAKLEKWQTHLINPHIILSKEPQGFVADATINTPNGVLVASGKHEDMYTAINELINKL ERQLNKLQHKGEARRAATSVKDANFVEEVEEE TMNITSKQMEITPAIRQHVADRLAKLEKWQTHLINPHIILSKEPQGFVADATINTPNGVLVASGKHEDMYTAINELINKL ERQLNKLQHKGEARRAATSVKDANFVEEVEEE 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 n n n n n Escherichia Escherichia Escherichia coli sample YFIA 562 Escherichia coli 469008 Escherichia coli BL21(DE3) BL21(DE3) PLASMID pET29b database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2002-12-04 1 1 2008-04-28 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name RCSB Y RCSB 2002-03-05 REL The structure was determined using triple-resonance NMR spectroscopy. structures with the lowest energy 30 20 3D_15N-separated_NOESY 2D NOESY 3D_13C-separated_NOESY HNHA J-modulated-HSQC 10 mM phosphate Na; 50 mM NACL 5.7 ambient 304.5 K 20 mM potassium phosphate 6.6 ambient 313 K The structure are based on a total of 2207 restraints, 1507 unambiguous and 408 ambiguous NOE-derived distance constraints, 72 distance constraints from hydrogen bonds, 75 dihedral angle constraints, 65 JHNHA coupling constraints, 80 dipolar coupling constraints. simulated annealing, torsion angle dynamics 1 lowest energy 2 mM pY, U-15N; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 93% H2O, 7% D2O 93% H2O/7% D2O 1.5 mM pY, U-15N,13C; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 93% H2O, 7% D2O 93% H2O/7% D2O 2 mM pY, U-15N; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O 100% D2O 1.5 mM pY, U-15N,13C; 10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O 100% D2O 1 mM pY, U-15N,13C; 20mM potassium phosphate;pH 6.6; 3.2% (w/v) bicelle (DMPC:DHPC:CTAB=30:10:2, molar ratio); 93% H2O, 7% D2O 93% H2O/7% D2O 1 mM pY, U-10% 13C;10mM sodium phosphate; 50 mM NACL;pH 5.7; 100% D2O 93% H2O/7% D2O Varian Associates, Inc. collection VNMR 6.1B MSI processing Felix 98 Johnson, B.A, & Blevins, R.A. data analysis NMRView 5.0 Brunger, A.T. et al. refinement CNS 1.0 600 Varian UNITYPLUS THR 1 n 1 THR 1 A MET 2 n 2 MET 2 A ASN 3 n 3 ASN 3 A ILE 4 n 4 ILE 4 A THR 5 n 5 THR 5 A SER 6 n 6 SER 6 A LYS 7 n 7 LYS 7 A GLN 8 n 8 GLN 8 A MET 9 n 9 MET 9 A GLU 10 n 10 GLU 10 A ILE 11 n 11 ILE 11 A THR 12 n 12 THR 12 A PRO 13 n 13 PRO 13 A ALA 14 n 14 ALA 14 A ILE 15 n 15 ILE 15 A ARG 16 n 16 ARG 16 A GLN 17 n 17 GLN 17 A HIS 18 n 18 HIS 18 A VAL 19 n 19 VAL 19 A ALA 20 n 20 ALA 20 A ASP 21 n 21 ASP 21 A ARG 22 n 22 ARG 22 A LEU 23 n 23 LEU 23 A ALA 24 n 24 ALA 24 A LYS 25 n 25 LYS 25 A LEU 26 n 26 LEU 26 A GLU 27 n 27 GLU 27 A LYS 28 n 28 LYS 28 A TRP 29 n 29 TRP 29 A GLN 30 n 30 GLN 30 A THR 31 n 31 THR 31 A HIS 32 n 32 HIS 32 A LEU 33 n 33 LEU 33 A ILE 34 n 34 ILE 34 A ASN 35 n 35 ASN 35 A PRO 36 n 36 PRO 36 A HIS 37 n 37 HIS 37 A ILE 38 n 38 ILE 38 A ILE 39 n 39 ILE 39 A LEU 40 n 40 LEU 40 A SER 41 n 41 SER 41 A LYS 42 n 42 LYS 42 A GLU 43 n 43 GLU 43 A PRO 44 n 44 PRO 44 A GLN 45 n 45 GLN 45 A GLY 46 n 46 GLY 46 A PHE 47 n 47 PHE 47 A VAL 48 n 48 VAL 48 A ALA 49 n 49 ALA 49 A ASP 50 n 50 ASP 50 A ALA 51 n 51 ALA 51 A THR 52 n 52 THR 52 A ILE 53 n 53 ILE 53 A ASN 54 n 54 ASN 54 A THR 55 n 55 THR 55 A PRO 56 n 56 PRO 56 A ASN 57 n 57 ASN 57 A GLY 58 n 58 GLY 58 A VAL 59 n 59 VAL 59 A LEU 60 n 60 LEU 60 A VAL 61 n 61 VAL 61 A ALA 62 n 62 ALA 62 A SER 63 n 63 SER 63 A GLY 64 n 64 GLY 64 A LYS 65 n 65 LYS 65 A HIS 66 n 66 HIS 66 A GLU 67 n 67 GLU 67 A ASP 68 n 68 ASP 68 A MET 69 n 69 MET 69 A TYR 70 n 70 TYR 70 A THR 71 n 71 THR 71 A ALA 72 n 72 ALA 72 A ILE 73 n 73 ILE 73 A ASN 74 n 74 ASN 74 A GLU 75 n 75 GLU 75 A LEU 76 n 76 LEU 76 A ILE 77 n 77 ILE 77 A ASN 78 n 78 ASN 78 A LYS 79 n 79 LYS 79 A LEU 80 n 80 LEU 80 A GLU 81 n 81 GLU 81 A ARG 82 n 82 ARG 82 A GLN 83 n 83 GLN 83 A LEU 84 n 84 LEU 84 A ASN 85 n 85 ASN 85 A LYS 86 n 86 LYS 86 A LEU 87 n 87 LEU 87 A GLN 88 n 88 GLN 88 A HIS 89 n 89 HIS 89 A LYS 90 n 90 LYS 90 A GLY 91 n 91 GLY 91 A GLU 92 n 92 GLU 92 A ALA 93 n 93 ALA 93 A ARG 94 n 94 ARG 94 A ARG 95 n 95 ARG 95 A ALA 96 n 96 ALA 96 A ALA 97 n 97 ALA 97 A THR 98 n 98 THR 98 A SER 99 n 99 SER 99 A VAL 100 n 100 VAL 100 A LYS 101 n 101 LYS 101 A ASP 102 n 102 ASP 102 A ALA 103 n 103 ALA 103 A ASN 104 n 104 ASN 104 A PHE 105 n 105 PHE 105 A VAL 106 n 106 VAL 106 A GLU 107 n 107 GLU 107 A GLU 108 n 108 GLU 108 A VAL 109 n 109 VAL 109 A GLU 110 n 110 GLU 110 A GLU 111 n 111 GLU 111 A GLU 112 n 112 GLU 112 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 ASN 3 A N ASN 3 A O ILE 38 A O ILE 38 A N GLU 43 A N GLU 43 A O GLY 46 A O GLY 46 A N THR 55 A N THR 55 A O GLY 58 A O GLY 58 1 A MET 2 -170.36 102.90 1 A GLN 8 -140.95 -48.00 1 A THR 31 -159.40 -39.69 1 A HIS 32 -143.41 -120.17 1 A LEU 33 61.06 116.27 1 A ASN 35 61.26 74.46 1 A LYS 65 -147.59 42.92 1 A HIS 89 55.29 -162.64 1 A LYS 90 -168.71 -42.54 1 A ALA 93 65.64 125.87 1 A ARG 95 -87.72 -79.43 1 A ALA 96 -179.14 -168.73 1 A THR 98 -125.10 -65.39 1 A SER 99 -176.86 -43.88 1 A VAL 100 45.63 -172.37 1 A LYS 101 -177.32 114.60 1 A ALA 103 -175.72 131.99 1 A GLU 108 -166.31 35.60 1 A VAL 109 -154.99 -46.08 2 A MET 2 57.25 86.30 2 A LEU 33 62.44 135.50 2 A ASN 35 53.87 75.61 2 A LYS 42 -173.29 145.96 2 A GLN 45 -86.01 -78.71 2 A LYS 65 -141.21 43.80 2 A LYS 90 83.60 83.83 2 A ARG 94 -150.26 -47.80 2 A LYS 101 -59.91 176.28 2 A ASP 102 -157.27 38.53 2 A PHE 105 -59.44 -178.47 2 A VAL 109 -98.45 31.13 2 A GLU 111 -119.84 78.60 3 A GLN 8 -140.62 -50.39 3 A GLU 27 -56.27 -75.30 3 A TRP 29 -90.72 36.05 3 A HIS 32 62.81 -85.23 3 A LEU 33 62.71 143.93 3 A ASN 35 52.76 77.61 3 A LYS 65 -107.73 44.47 3 A ALA 93 -131.74 -59.35 3 A ARG 94 62.78 124.55 3 A ARG 95 -159.36 -46.30 3 A ALA 96 59.53 77.72 3 A ASP 102 -177.88 75.50 3 A PHE 105 48.08 94.50 3 A GLU 108 59.22 91.55 3 A GLU 111 -163.84 113.36 4 A GLN 8 -141.72 20.61 4 A MET 9 177.31 -177.99 4 A THR 31 38.78 -90.56 4 A ASN 35 70.69 55.23 4 A LYS 65 -103.84 44.55 4 A HIS 89 66.61 -71.37 4 A LYS 90 80.58 30.27 4 A ALA 93 -144.15 -65.07 4 A ALA 97 -154.58 36.40 4 A THR 98 -131.83 -48.79 4 A ASP 102 -143.98 -57.13 4 A ALA 103 -121.09 -68.93 4 A ASN 104 62.53 -80.74 4 A PHE 105 64.23 -79.06 4 A VAL 106 -138.32 -45.36 4 A GLU 107 63.06 94.26 5 A GLN 8 -141.11 -47.63 5 A ASN 35 61.81 71.72 5 A LYS 65 -105.25 43.99 5 A HIS 89 42.88 -87.73 5 A LYS 90 47.41 -174.78 5 A ALA 97 -138.62 -55.90 5 A THR 98 -131.54 -58.62 5 A VAL 100 -150.02 31.07 5 A GLU 110 61.52 167.96 6 A GLN 8 -140.82 -48.98 6 A GLU 27 -62.36 -72.03 6 A TRP 29 -84.03 -78.14 6 A HIS 32 -91.59 -126.33 6 A LEU 33 73.34 152.51 6 A ASN 35 61.08 78.10 6 A LYS 65 -107.92 45.06 6 A LYS 90 42.11 -164.39 6 A ALA 97 -69.27 91.19 6 A THR 98 63.58 138.81 6 A SER 99 -178.42 94.72 6 A ALA 103 60.50 95.13 6 A ASN 104 -115.07 75.11 6 A PHE 105 -165.66 -168.93 6 A GLU 108 -148.97 -66.61 7 A GLN 8 -140.60 -47.81 7 A THR 31 -162.32 87.52 7 A HIS 32 -48.20 101.25 7 A ASN 35 73.45 48.00 7 A LYS 42 -172.73 146.33 7 A GLN 45 -85.44 -76.89 7 A LYS 65 -107.62 44.73 7 A LYS 90 -171.10 74.82 7 A ALA 93 59.42 94.65 7 A ARG 94 59.88 165.70 7 A ARG 95 -141.35 -48.89 7 A ALA 97 60.45 -176.15 7 A ASN 104 68.99 -67.47 7 A GLU 108 -103.55 -74.60 8 A MET 2 60.18 87.77 8 A TRP 29 -90.01 48.71 8 A GLN 30 170.92 97.91 8 A THR 31 -159.56 -47.78 8 A ASN 35 57.71 76.77 8 A LYS 65 -106.93 45.11 8 A LYS 90 76.59 -67.90 8 A GLU 92 63.16 117.98 8 A ALA 93 -69.17 -70.88 8 A ALA 97 -173.99 107.22 8 A THR 98 60.12 -176.31 8 A SER 99 -157.17 -46.00 8 A LYS 101 61.46 175.92 8 A ASN 104 -153.25 -46.97 8 A PHE 105 -176.42 -54.80 8 A VAL 106 -157.42 89.93 8 A GLU 108 60.72 112.47 9 A GLN 8 -142.43 25.87 9 A MET 9 179.37 172.51 9 A GLU 27 -54.45 -79.48 9 A GLN 30 -145.83 50.28 9 A THR 31 -77.75 -165.63 9 A HIS 32 -50.38 108.18 9 A ASN 35 52.53 77.12 9 A LYS 65 -105.42 44.33 9 A GLU 92 -56.39 103.72 9 A ARG 94 60.78 93.42 9 A VAL 100 -137.12 -49.86 9 A ASN 104 67.57 -70.35 9 A GLU 107 61.07 109.80 9 A GLU 110 -161.00 114.38 10 A MET 2 59.93 109.45 10 A GLN 8 -141.91 21.67 10 A MET 9 176.74 161.96 10 A GLN 30 -102.35 66.49 10 A THR 31 -160.43 106.73 10 A HIS 32 -62.05 93.34 10 A LEU 33 -48.87 153.46 10 A LYS 42 -171.85 146.78 10 A GLN 45 -85.73 -76.71 10 A LYS 65 -102.52 44.57 10 A LYS 90 86.28 146.40 10 A ALA 93 53.30 80.48 10 A ARG 94 -175.92 37.11 10 A VAL 100 -131.31 -49.82 10 A LYS 101 179.94 38.93 10 A ALA 103 -173.97 87.08 10 A VAL 106 -123.53 -60.53 10 A GLU 107 60.71 110.17 10 A GLU 110 -127.37 -68.12 11 A GLN 8 -141.96 -45.30 11 A TRP 29 -84.03 -159.18 11 A GLN 30 -133.60 -103.18 11 A HIS 32 73.32 51.75 11 A LEU 33 -162.68 100.48 11 A ASN 35 68.56 67.91 11 A LYS 42 -172.95 146.73 11 A GLN 45 -85.75 -76.25 11 A LYS 65 -107.24 44.75 11 A ALA 93 59.72 168.92 11 A ALA 97 -159.36 -45.07 11 A THR 98 60.55 167.54 11 A SER 99 60.94 -177.32 11 A ASP 102 -139.33 -65.36 11 A ALA 103 -171.74 -55.34 11 A ASN 104 -154.07 -64.86 11 A GLU 108 -135.59 -47.34 12 A GLN 8 -141.94 -50.23 12 A LYS 28 -89.02 39.61 12 A TRP 29 -148.26 -77.77 12 A THR 31 -159.01 -43.90 12 A ASN 35 59.74 70.15 12 A LYS 65 -106.87 45.50 12 A LYS 90 -170.33 -43.87 12 A GLU 92 60.98 95.92 12 A ALA 93 62.65 122.49 12 A THR 98 60.33 163.06 12 A SER 99 60.39 -173.41 12 A VAL 100 63.15 146.65 12 A ALA 103 -69.11 -176.37 12 A ASN 104 60.44 168.02 12 A GLU 108 -152.18 35.99 13 A GLN 8 -141.92 23.02 13 A MET 9 176.46 -178.26 13 A GLN 30 66.99 73.36 13 A LEU 33 -155.40 49.86 13 A ILE 34 -46.62 92.44 13 A ASN 35 51.44 84.72 13 A LYS 42 -170.50 145.05 13 A GLN 45 -83.73 -75.15 13 A LYS 65 -105.97 44.90 13 A HIS 89 58.57 177.71 13 A LYS 90 -169.60 -43.77 13 A THR 98 -151.60 -68.17 13 A SER 99 63.20 124.01 13 A LYS 101 60.04 111.47 13 A ALA 103 -138.61 -51.41 13 A GLU 110 60.66 109.79 14 A GLN 8 -140.89 15.53 14 A MET 9 173.72 -177.33 14 A GLN 30 -84.20 -130.59 14 A THR 31 45.00 -166.97 14 A HIS 32 -144.38 -41.04 14 A LEU 33 66.15 147.63 14 A ASN 35 62.88 81.19 14 A LYS 90 83.41 89.46 14 A GLU 92 60.93 -177.89 14 A ARG 95 -135.62 -56.58 14 A SER 99 -177.56 -41.59 14 A ALA 103 -134.55 -46.16 14 A PHE 105 66.89 -73.21 14 A VAL 106 45.13 -171.26 14 A VAL 109 67.68 -70.88 14 A GLU 110 177.22 -44.36 15 A MET 2 -58.05 170.93 15 A GLN 8 -141.19 -47.48 15 A LYS 28 -90.03 39.72 15 A TRP 29 -147.87 -36.20 15 A THR 31 -78.26 -164.47 15 A HIS 32 -60.05 83.25 15 A ASN 35 72.02 49.00 15 A LYS 42 -173.58 146.63 15 A GLN 45 -86.12 -77.95 15 A LYS 65 -108.68 45.90 15 A GLN 88 -76.38 -74.20 15 A ASN 104 -149.21 33.57 15 A GLU 107 67.96 -69.25 15 A GLU 108 61.09 90.79 15 A VAL 109 -134.42 -45.89 16 A GLN 8 -141.25 -46.08 16 A GLU 27 -59.56 -73.49 16 A TRP 29 -87.83 45.12 16 A GLN 30 -157.43 70.51 16 A THR 31 -77.59 -78.56 16 A ASN 35 51.67 74.36 16 A LYS 65 -106.71 44.83 16 A LYS 90 -170.37 -68.49 16 A ALA 96 61.95 90.63 16 A THR 98 70.66 -64.35 16 A ASP 102 61.87 77.38 16 A ALA 103 -175.51 -77.56 16 A ASN 104 59.14 -172.45 16 A VAL 109 -141.80 -47.18 16 A GLU 111 -176.16 78.07 17 A GLN 8 -142.39 -53.87 17 A GLU 27 -59.61 -76.30 17 A GLN 30 -91.97 33.42 17 A ASN 35 51.70 78.78 17 A LYS 42 -171.35 145.12 17 A PRO 44 -48.72 -19.84 17 A GLN 45 -85.38 -77.21 17 A LYS 65 -107.10 44.93 17 A GLN 88 -78.24 -102.80 17 A HIS 89 62.54 -72.69 17 A GLU 92 -163.74 118.30 17 A ALA 93 -98.29 38.09 17 A ALA 96 -99.02 34.67 17 A LYS 101 -173.77 -36.41 17 A ASP 102 61.35 77.20 17 A PHE 105 63.42 139.93 17 A VAL 106 51.51 163.69 17 A GLU 107 67.77 129.55 17 A GLU 108 -160.13 -64.30 17 A GLU 110 60.83 -172.22 17 A GLU 111 -130.43 -65.38 18 A LYS 7 -100.70 42.39 18 A GLN 8 -140.06 -46.14 18 A ASN 35 50.43 78.62 18 A LYS 42 -171.56 145.43 18 A GLN 45 -84.27 -78.60 18 A LYS 65 -109.24 45.02 18 A LYS 90 42.92 -166.80 18 A GLU 92 61.47 103.37 18 A ARG 95 -173.85 -171.98 18 A THR 98 -129.55 -52.95 18 A SER 99 -165.91 -60.74 18 A ASP 102 -171.63 142.20 18 A VAL 106 63.82 139.19 18 A GLU 108 66.39 -71.82 18 A VAL 109 64.26 135.52 19 A GLN 8 -142.38 -45.34 19 A GLN 30 -68.35 69.62 19 A HIS 32 -152.10 -89.60 19 A LEU 33 60.86 151.44 19 A ASN 35 54.49 73.18 19 A LYS 65 -103.75 45.04 19 A HIS 89 62.57 -79.16 19 A LYS 90 61.46 155.17 19 A GLU 92 -176.10 90.62 19 A THR 98 -147.34 -57.47 19 A VAL 100 -104.31 56.87 19 A ASP 102 56.85 103.16 19 A ASN 104 61.86 103.00 19 A PHE 105 -177.11 135.35 19 A VAL 106 -176.08 120.80 19 A GLU 107 62.75 120.73 19 A GLU 108 46.27 -169.29 20 A MET 2 51.03 126.88 20 A TRP 29 -146.94 20.13 20 A THR 31 40.40 -89.06 20 A HIS 32 -127.14 -51.14 20 A ILE 34 34.15 34.05 20 A ASN 35 77.45 77.37 20 A LYS 65 -100.83 44.57 20 A GLN 88 -76.43 -99.26 20 A HIS 89 50.95 -91.34 20 A LYS 90 68.66 -71.57 20 A GLU 92 -155.47 52.33 20 A ARG 94 -157.31 27.22 20 A ARG 95 177.29 90.81 20 A ALA 96 -122.90 -66.86 20 A ALA 97 60.06 163.21 20 A GLU 111 62.31 149.96 Solution structure of ribosome associated factor Y 1 N N A THR 12 A THR 12 HELX_P A LEU 26 A LEU 26 1 1 15 A ASP 68 A ASP 68 HELX_P A HIS 89 A HIS 89 1 2 22 TRANSLATION Ribosome Binding Protein, TRANSLATION YFIA_ECOLI UNP 1 2 P0AD49 TMNITSKQMEITPAIRQHVADRLAKLEKWQTHLINPHIILSKEPQGFVADATINTPNGVLVASGKHEDMYTAINELINKL ERQLNKLQHKGEARRAATSVKDANFVEEVEEE 2 113 1L4S 1 112 P0AD49 A 1 1 112 4 parallel anti-parallel anti-parallel A ASN 3 A ASN 3 A SER 6 A SER 6 A HIS 37 A HIS 37 A GLU 43 A GLU 43 A GLY 46 A GLY 46 A THR 55 A THR 55 A GLY 58 A GLY 58 A GLY 64 A GLY 64