1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Sato, K. Miura, K. Tada, M. Aizawa, T. Miyamoto, K. Kawano, K. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE 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 NE Febs Lett. FEBLAL 0165 0014-5793 553 232 238 10.1016/S0014-5793(03)01005-6 14572630 Solution structure of epiregulin and the effect of its C-terminal domain for receptor binding affinity 2003 10.2210/pdb1k36/pdb pdb_00001k36 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 5280.072 Epiregulin residues 1-46 1 man polymer no no VSITKCSSDMNGYCLHGQCIYLVDMSQNYCRCEVGYTGVRCEHFFL VSITKCSSDMNGYCLHGQCIYLVDMSQNYCRCEVGYTGVRCEHFFL 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 human Homo Escherichia sample 9606 Homo sapiens 562 Escherichia coli AD494 PLASMID pET32a database_2 pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2003-09-30 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession 1K37 is minimized average structure RCSB Y PDBJ 2001-10-02 REL This structure was determined using standard 2D homonuclear techniques. structures with the lowest energy 50 40 2D NOESY DQF-COSY 2D TOCSY 2D NOESY DQF-COSY 2D TOCSY 0 3.4 1 atm 303 K 0 3.4 1 atm 303 K the structures are based on a total of 604 restraints, 556 are NOE-derived distance constraints, 38 dihedral angle restraints, 10 distance restraints from hydrogen bonds. distance geometry simulated annealing 1.5mM Epiregulin, 90% H2O, 10% D2O 90% H2O/10% D2O 1.5mM Epiregulin, 100% D2O 100% D2O Brunger structure solution X-PLOR 3.1 Brunger refinement X-PLOR 3.1 500 Bruker DMX VAL 1 n 1 VAL 1 A SER 2 n 2 SER 2 A ILE 3 n 3 ILE 3 A THR 4 n 4 THR 4 A LYS 5 n 5 LYS 5 A CYS 6 n 6 CYS 6 A SER 7 n 7 SER 7 A SER 8 n 8 SER 8 A ASP 9 n 9 ASP 9 A MET 10 n 10 MET 10 A ASN 11 n 11 ASN 11 A GLY 12 n 12 GLY 12 A TYR 13 n 13 TYR 13 A CYS 14 n 14 CYS 14 A LEU 15 n 15 LEU 15 A HIS 16 n 16 HIS 16 A GLY 17 n 17 GLY 17 A GLN 18 n 18 GLN 18 A CYS 19 n 19 CYS 19 A ILE 20 n 20 ILE 20 A TYR 21 n 21 TYR 21 A LEU 22 n 22 LEU 22 A VAL 23 n 23 VAL 23 A ASP 24 n 24 ASP 24 A MET 25 n 25 MET 25 A SER 26 n 26 SER 26 A GLN 27 n 27 GLN 27 A ASN 28 n 28 ASN 28 A TYR 29 n 29 TYR 29 A CYS 30 n 30 CYS 30 A ARG 31 n 31 ARG 31 A CYS 32 n 32 CYS 32 A GLU 33 n 33 GLU 33 A VAL 34 n 34 VAL 34 A GLY 35 n 35 GLY 35 A TYR 36 n 36 TYR 36 A THR 37 n 37 THR 37 A GLY 38 n 38 GLY 38 A VAL 39 n 39 VAL 39 A ARG 40 n 40 ARG 40 A CYS 41 n 41 CYS 41 A GLU 42 n 42 GLU 42 A HIS 43 n 43 HIS 43 A PHE 44 n 44 PHE 44 A PHE 45 n 45 PHE 45 A LEU 46 n 46 LEU 46 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 THR 4 A N THR 4 A O TYR 21 A O TYR 21 A N GLN 18 A N GLN 18 A O ARG 31 A O ARG 31 1 A ARG 31 0.309 SIDE CHAIN 1 A ARG 40 0.295 SIDE CHAIN 2 A ARG 40 0.263 SIDE CHAIN 3 A ARG 31 0.250 SIDE CHAIN 3 A ARG 40 0.293 SIDE CHAIN 4 A ARG 31 0.273 SIDE CHAIN 5 A ARG 31 0.279 SIDE CHAIN 5 A ARG 40 0.318 SIDE CHAIN 6 A ARG 31 0.214 SIDE CHAIN 6 A ARG 40 0.314 SIDE CHAIN 7 A ARG 31 0.311 SIDE CHAIN 7 A ARG 40 0.267 SIDE CHAIN 8 A ARG 31 0.317 SIDE CHAIN 8 A ARG 40 0.291 SIDE CHAIN 9 A ARG 31 0.317 SIDE CHAIN 9 A ARG 40 0.170 SIDE CHAIN 10 A ARG 31 0.318 SIDE CHAIN 10 A ARG 40 0.192 SIDE CHAIN 11 A ARG 31 0.314 SIDE CHAIN 11 A ARG 40 0.213 SIDE CHAIN 12 A ARG 31 0.293 SIDE CHAIN 12 A ARG 40 0.227 SIDE CHAIN 13 A ARG 31 0.314 SIDE CHAIN 13 A ARG 40 0.106 SIDE CHAIN 14 A ARG 31 0.159 SIDE CHAIN 14 A ARG 40 0.110 SIDE CHAIN 15 A ARG 31 0.225 SIDE CHAIN 16 A ARG 31 0.308 SIDE CHAIN 16 A ARG 40 0.229 SIDE CHAIN 17 A ARG 31 0.299 SIDE CHAIN 17 A ARG 40 0.194 SIDE CHAIN 18 A ARG 31 0.317 SIDE CHAIN 18 A ARG 40 0.266 SIDE CHAIN 19 A ARG 31 0.174 SIDE CHAIN 19 A ARG 40 0.261 SIDE CHAIN 20 A ARG 31 0.318 SIDE CHAIN 20 A ARG 40 0.221 SIDE CHAIN 21 A ARG 31 0.316 SIDE CHAIN 21 A ARG 40 0.205 SIDE CHAIN 22 A ARG 31 0.316 SIDE CHAIN 22 A ARG 40 0.277 SIDE CHAIN 23 A ARG 31 0.226 SIDE CHAIN 23 A ARG 40 0.181 SIDE CHAIN 24 A ARG 31 0.261 SIDE CHAIN 24 A ARG 40 0.277 SIDE CHAIN 25 A ARG 31 0.303 SIDE CHAIN 25 A ARG 40 0.316 SIDE CHAIN 26 A ARG 31 0.312 SIDE CHAIN 26 A ARG 40 0.246 SIDE CHAIN 27 A ARG 31 0.302 SIDE CHAIN 27 A ARG 40 0.274 SIDE CHAIN 28 A ARG 31 0.239 SIDE CHAIN 28 A ARG 40 0.212 SIDE CHAIN 29 A ARG 31 0.130 SIDE CHAIN 29 A ARG 40 0.110 SIDE CHAIN 30 A ARG 31 0.309 SIDE CHAIN 30 A ARG 40 0.116 SIDE CHAIN 31 A ARG 31 0.230 SIDE CHAIN 31 A ARG 40 0.194 SIDE CHAIN 32 A ARG 31 0.300 SIDE CHAIN 32 A ARG 40 0.194 SIDE CHAIN 33 A ARG 31 0.192 SIDE CHAIN 33 A ARG 40 0.179 SIDE CHAIN 34 A ARG 31 0.295 SIDE CHAIN 34 A ARG 40 0.260 SIDE CHAIN 35 A ARG 31 0.308 SIDE CHAIN 35 A ARG 40 0.124 SIDE CHAIN 36 A ARG 31 0.310 SIDE CHAIN 36 A ARG 40 0.260 SIDE CHAIN 37 A ARG 31 0.117 SIDE CHAIN 37 A ARG 40 0.203 SIDE CHAIN 38 A ARG 31 0.314 SIDE CHAIN 38 A ARG 40 0.220 SIDE CHAIN 39 A ARG 31 0.155 SIDE CHAIN 39 A ARG 40 0.118 SIDE CHAIN 40 A ARG 31 0.318 SIDE CHAIN 40 A ARG 40 0.228 SIDE CHAIN 1 A SER 7 -110.91 -151.28 1 A ASP 9 45.29 24.84 1 A ASN 11 -103.67 76.47 1 A TYR 13 -135.64 -60.49 1 A SER 26 -29.21 89.45 1 A VAL 34 -52.51 104.88 1 A VAL 39 -85.69 43.50 1 A ARG 40 -156.64 20.14 1 A CYS 41 27.57 90.73 1 A GLU 42 -154.89 -36.51 2 A SER 2 -155.14 41.53 2 A SER 7 -155.96 17.22 2 A SER 8 -151.79 -70.39 2 A ASN 11 -100.69 44.89 2 A TYR 13 -94.08 -65.04 2 A SER 26 -29.15 89.14 2 A VAL 39 -85.04 43.76 2 A ARG 40 -150.29 13.80 2 A CYS 41 29.56 88.52 2 A GLU 42 -154.85 -36.90 3 A SER 7 -124.96 -152.20 3 A ASP 9 52.68 19.57 3 A ASN 11 -105.84 76.21 3 A MET 25 -151.18 67.90 3 A SER 26 -29.30 90.10 3 A VAL 34 -49.09 102.07 3 A ARG 40 -145.91 20.31 3 A CYS 41 30.55 94.56 3 A GLU 42 -155.07 -37.00 4 A SER 2 -156.32 60.39 4 A CYS 6 -86.70 -150.62 4 A SER 7 -149.96 -155.35 4 A ASP 9 -144.87 31.42 4 A MET 10 -152.39 17.51 4 A MET 25 -157.11 71.02 4 A SER 26 -29.26 89.89 4 A VAL 34 -43.36 96.44 4 A GLU 42 -152.59 -28.25 5 A CYS 6 -91.91 -124.55 5 A SER 7 -146.77 -154.38 5 A SER 26 -29.56 92.00 5 A VAL 34 -76.28 29.59 5 A THR 37 -108.85 43.47 5 A VAL 39 -87.55 35.64 5 A CYS 41 34.02 78.80 5 A GLU 42 -142.24 -33.65 6 A SER 2 -114.09 56.43 6 A THR 4 -124.03 -165.14 6 A CYS 6 -105.23 -155.83 6 A SER 7 -147.42 -138.31 6 A ASN 11 -96.16 58.19 6 A TYR 13 -157.28 -57.80 6 A HIS 16 -111.26 76.91 6 A SER 26 -29.02 89.21 6 A VAL 34 -40.99 101.76 6 A GLU 42 -135.32 -30.83 7 A SER 2 -148.52 43.27 7 A CYS 6 -110.61 -144.33 7 A MET 10 -144.67 28.11 7 A SER 26 -29.18 89.76 7 A VAL 34 -44.77 101.63 7 A VAL 39 -84.63 42.33 7 A ARG 40 -160.27 22.93 7 A CYS 41 28.33 93.03 7 A GLU 42 -154.81 -42.10 8 A CYS 6 -90.60 -143.62 8 A SER 7 -158.17 -72.72 8 A SER 8 -154.39 -75.14 8 A TYR 13 -160.11 -55.43 8 A SER 26 -29.41 87.72 8 A VAL 34 -47.21 100.86 8 A VAL 39 -88.80 33.59 8 A ARG 40 -142.91 17.89 8 A CYS 41 27.83 86.81 8 A GLU 42 -151.81 -34.79 9 A CYS 6 -93.92 -145.17 9 A SER 7 -151.94 -150.20 9 A ASP 9 42.12 27.15 9 A ASN 11 -116.84 69.73 9 A TYR 13 -124.47 -57.25 9 A SER 26 -29.37 87.68 9 A VAL 34 -48.67 106.71 9 A VAL 39 -84.70 44.45 9 A ARG 40 -160.28 26.65 9 A CYS 41 30.78 93.12 9 A GLU 42 -160.17 -42.70 10 A SER 2 -157.05 71.08 10 A CYS 6 -106.92 -154.58 10 A SER 7 -136.23 -145.72 10 A SER 8 -79.79 -70.67 10 A TYR 13 -151.45 -57.11 10 A SER 26 -29.28 89.44 10 A VAL 34 -47.33 103.00 10 A VAL 39 -87.51 33.27 10 A ARG 40 -148.68 20.02 10 A CYS 41 30.77 94.42 10 A GLU 42 -153.80 -36.69 11 A SER 7 -102.34 -152.38 11 A ASP 9 42.42 27.87 11 A TYR 13 -154.19 -60.62 11 A SER 26 -29.81 87.68 11 A VAL 34 -41.86 94.97 11 A CYS 41 68.45 78.83 11 A GLU 42 -152.18 -32.56 12 A CYS 6 -110.65 -151.26 12 A SER 7 -152.99 -151.07 12 A TYR 13 -126.58 -55.37 12 A SER 26 -29.18 88.69 12 A VAL 34 -40.76 94.11 12 A CYS 41 68.18 68.54 13 A CYS 6 -93.19 -150.25 13 A SER 7 -147.37 -155.42 13 A ASP 9 47.83 23.71 13 A ASN 11 -119.52 76.84 13 A SER 26 -28.97 88.63 13 A VAL 34 -47.54 103.33 13 A VAL 39 -86.98 37.42 13 A ARG 40 -150.70 15.06 13 A CYS 41 32.67 87.19 13 A GLU 42 -151.20 -38.76 14 A CYS 6 -92.80 -143.76 14 A MET 10 -141.67 21.86 14 A TYR 13 -144.98 -65.75 14 A HIS 16 -112.50 77.21 14 A SER 26 -29.68 89.25 14 A VAL 39 -84.84 43.52 14 A ARG 40 -155.85 16.26 14 A CYS 41 32.17 89.65 14 A GLU 42 -155.95 -41.00 15 A CYS 6 -108.48 -167.98 15 A SER 7 -130.12 -138.97 15 A TYR 13 -107.99 -62.82 15 A SER 26 -28.89 85.53 15 A VAL 34 -37.49 93.49 15 A CYS 41 69.79 83.76 15 A GLU 42 -156.72 -31.11 16 A CYS 6 -107.25 -163.08 16 A SER 7 -126.56 -167.08 16 A MET 10 -143.94 16.03 16 A ASN 11 -111.75 57.87 16 A TYR 13 -160.18 -50.27 16 A HIS 16 -103.73 69.39 16 A SER 26 -29.12 87.55 16 A VAL 34 -50.87 106.20 16 A VAL 39 -84.87 44.22 16 A ARG 40 -159.55 22.58 16 A CYS 41 27.78 92.05 16 A GLU 42 -153.29 -37.90 17 A THR 4 -141.56 -150.59 17 A CYS 6 -109.97 -150.04 17 A MET 10 -148.21 20.03 17 A ASN 11 -101.82 75.02 17 A HIS 16 -108.81 77.03 17 A MET 25 -159.81 68.41 17 A SER 26 -29.58 91.76 17 A VAL 39 -84.63 43.80 17 A ARG 40 -157.02 20.11 17 A CYS 41 29.22 91.42 17 A GLU 42 -155.56 -36.96 18 A CYS 6 -110.97 -163.42 18 A SER 7 -136.55 -158.84 18 A ASP 9 46.50 23.68 18 A MET 25 -157.95 65.57 18 A SER 26 -29.28 86.93 18 A VAL 34 -51.93 100.89 18 A VAL 39 -85.18 45.43 18 A ARG 40 -158.76 20.01 18 A CYS 41 27.12 93.56 18 A GLU 42 -160.73 -35.65 19 A THR 4 -142.58 -153.85 19 A CYS 6 -105.69 -150.87 19 A ASN 11 -86.07 48.65 19 A HIS 16 -110.73 63.11 19 A SER 26 -29.11 88.76 19 A CYS 32 -111.27 -164.82 20 A CYS 6 -108.83 -145.66 20 A SER 7 -153.79 -158.27 20 A ASP 9 47.88 22.86 20 A ASN 11 -114.75 -142.72 20 A SER 26 -28.75 89.03 20 A VAL 34 -48.12 104.62 20 A VAL 39 -87.67 31.55 20 A ARG 40 -160.37 29.62 20 A CYS 41 31.76 90.80 20 A GLU 42 -154.02 -39.88 21 A CYS 6 -103.73 -144.64 21 A SER 7 -127.61 -154.43 21 A TYR 13 -121.79 -59.36 21 A HIS 16 -116.99 77.54 21 A MET 25 -150.86 69.00 21 A SER 26 -29.49 87.64 21 A VAL 34 -41.61 94.58 21 A CYS 41 71.75 85.59 21 A GLU 42 -152.42 -31.33 22 A CYS 6 -102.11 -141.17 22 A ASP 9 -142.34 30.85 22 A MET 10 -145.44 14.56 22 A ASN 11 -109.83 75.28 22 A TYR 13 -95.57 -60.28 22 A HIS 16 -109.33 77.49 22 A SER 26 -29.05 88.70 22 A VAL 34 -47.27 105.57 22 A VAL 39 -84.76 43.07 22 A ARG 40 -160.27 22.21 22 A CYS 41 28.95 92.65 22 A GLU 42 -154.20 -42.85 23 A CYS 6 -99.91 -146.14 23 A SER 7 -122.23 -164.42 23 A ASN 11 -102.47 66.50 23 A TYR 13 -145.86 -55.80 23 A SER 26 -29.21 88.57 23 A TYR 29 -154.59 86.31 23 A VAL 34 -58.54 105.84 23 A THR 37 -109.42 46.58 23 A VAL 39 -87.11 37.20 23 A ARG 40 -160.09 22.36 23 A CYS 41 29.74 91.50 23 A GLU 42 -144.92 -36.91 24 A THR 4 -119.77 -167.80 24 A CYS 6 -114.95 -161.25 24 A SER 7 -132.29 -144.84 24 A SER 26 -29.87 87.83 24 A VAL 34 -52.21 105.90 24 A VAL 39 -84.15 44.00 24 A ARG 40 -160.14 20.29 24 A CYS 41 33.54 93.66 24 A GLU 42 -151.13 -40.32 25 A CYS 6 -109.66 -147.53 25 A ASN 11 -90.88 54.16 25 A TYR 13 -106.92 -64.92 25 A MET 25 -151.78 68.83 25 A SER 26 -29.19 89.78 25 A VAL 39 -84.70 43.73 25 A ARG 40 -148.99 12.18 25 A CYS 41 32.05 87.85 25 A GLU 42 -160.32 -33.58 26 A SER 2 -160.04 -160.43 26 A CYS 6 -98.13 -93.98 26 A SER 7 172.45 -167.20 26 A ASP 9 43.13 26.25 26 A ASN 11 -101.97 70.42 26 A HIS 16 -111.72 78.63 26 A SER 26 -29.12 88.40 26 A ARG 40 -137.48 -95.62 26 A CYS 41 163.62 73.04 27 A CYS 6 -109.26 -152.86 27 A ASN 11 -104.09 72.47 27 A MET 25 -150.55 68.24 27 A SER 26 -29.19 89.86 27 A VAL 34 -52.43 101.67 27 A ARG 40 -102.15 -130.67 27 A CYS 41 -151.72 75.64 28 A CYS 6 -112.96 -155.59 28 A ASN 11 -106.25 68.30 28 A TYR 13 -156.93 -58.65 28 A HIS 16 -111.65 78.02 28 A SER 26 -29.91 88.56 28 A VAL 34 -50.13 103.19 28 A CYS 41 32.62 87.63 28 A GLU 42 -156.09 -34.81 29 A CYS 6 -104.59 -147.99 29 A SER 26 -28.74 86.20 29 A VAL 34 -49.15 103.86 29 A VAL 39 -85.78 40.65 29 A ARG 40 -160.03 21.07 29 A CYS 41 32.32 84.85 29 A GLU 42 -146.01 -41.53 30 A THR 4 -118.77 -163.61 30 A SER 7 -125.69 -158.41 30 A SER 26 -29.21 87.79 30 A VAL 34 -46.08 102.40 30 A ARG 40 -140.23 21.72 30 A CYS 41 32.31 93.04 30 A GLU 42 -156.61 -38.04 31 A CYS 6 -91.71 -141.15 31 A SER 7 -159.47 -155.20 31 A ASN 11 -118.35 -141.11 31 A TYR 13 -155.00 -70.27 31 A HIS 16 -104.83 77.21 31 A SER 26 -29.15 89.38 31 A VAL 34 -49.94 99.83 31 A CYS 41 27.33 91.06 31 A GLU 42 -156.60 -37.79 32 A SER 7 -133.84 -64.85 32 A SER 8 -153.69 -71.17 32 A TYR 13 -160.28 -58.43 32 A MET 25 -151.01 68.90 32 A SER 26 -29.02 89.52 32 A VAL 34 -36.12 93.17 32 A CYS 41 69.51 70.26 32 A GLU 42 -141.03 -29.25 33 A SER 2 -101.80 54.46 33 A CYS 6 -97.81 -159.86 33 A SER 7 -145.12 -146.47 33 A ASP 9 42.08 26.93 33 A MET 25 -157.35 70.85 33 A SER 26 -29.32 89.43 33 A VAL 34 -47.25 107.02 33 A VAL 39 -84.99 44.88 33 A ARG 40 -160.26 27.21 33 A CYS 41 31.33 93.47 33 A GLU 42 -159.24 -41.77 34 A THR 4 -160.25 -150.12 34 A SER 7 79.69 -175.26 34 A ASP 9 -84.36 46.13 34 A MET 10 -155.17 24.20 34 A ASN 11 -118.78 -158.24 34 A TYR 13 -159.70 -44.38 34 A HIS 16 -113.52 79.24 34 A SER 26 -29.31 86.24 34 A VAL 39 -85.07 44.96 34 A ARG 40 -159.83 20.92 34 A CYS 41 26.71 90.94 34 A GLU 42 -155.57 -34.62 35 A THR 4 -136.94 -150.67 35 A CYS 6 -111.95 -154.32 35 A SER 7 -137.49 -156.57 35 A ASP 9 53.11 19.18 35 A TYR 13 -148.13 -57.43 35 A SER 26 -29.29 89.80 35 A VAL 39 -84.68 43.47 35 A ARG 40 -157.03 18.71 35 A CYS 41 29.76 91.40 35 A GLU 42 -158.62 -37.74 36 A CYS 6 -102.14 -149.45 36 A MET 10 -146.05 22.31 36 A TYR 13 -122.98 -61.74 36 A SER 26 -29.14 89.64 36 A VAL 34 -42.87 97.33 36 A CYS 41 72.79 82.53 36 A GLU 42 -155.54 -30.70 37 A CYS 6 -108.85 -104.14 37 A SER 7 174.07 -164.35 37 A ASP 9 43.17 26.41 37 A TYR 13 -125.17 -52.74 37 A SER 26 -29.52 92.66 37 A VAL 39 -84.67 44.47 37 A ARG 40 -157.32 20.04 37 A CYS 41 28.24 89.75 37 A GLU 42 -153.63 -37.03 38 A SER 2 -98.72 42.43 38 A SER 7 -108.25 -153.17 38 A ASP 9 45.26 25.30 38 A ASN 11 -101.55 47.63 38 A SER 26 -30.03 87.93 38 A VAL 39 -85.12 44.27 38 A ARG 40 -160.22 22.26 38 A CYS 41 29.63 90.28 38 A GLU 42 -151.85 -45.04 39 A SER 7 -131.81 -159.62 39 A ASP 9 46.50 24.02 39 A TYR 13 -142.42 -53.32 39 A SER 26 -29.21 85.54 39 A VAL 34 -53.65 105.48 39 A VAL 39 -87.09 38.13 39 A ARG 40 -146.31 14.01 39 A CYS 41 31.07 93.29 39 A GLU 42 -159.50 -38.38 40 A SER 7 -116.85 -155.17 40 A ASP 9 58.30 15.10 40 A TYR 13 -131.02 -47.59 40 A MET 25 -159.12 68.50 40 A SER 26 -29.51 88.79 40 A VAL 34 -52.16 105.84 40 A VAL 39 -84.85 44.41 40 A ARG 40 -159.60 27.11 40 A CYS 41 28.50 91.94 40 A GLU 42 -157.47 -37.96 NMR Structure of human Epiregulin 1 N N disulf 2.981 A CYS 6 A SG CYS 6 1_555 A CYS 19 A SG CYS 19 1_555 disulf 2.984 A CYS 14 A SG CYS 14 1_555 A CYS 30 A SG CYS 30 1_555 disulf 2.988 A CYS 32 A SG CYS 32 1_555 A CYS 41 A SG CYS 41 1_555 HORMONE/GROWTH FACTOR EGF-like fold, HORMONE-GROWTH FACTOR COMPLEX EREG_HUMAN UNP 1 63 O14944 VSITKCSSDMNGYCLHGQCIYLVDMSQNYCRCEVGYTGVRCEHFFL 63 108 1K36 1 46 O14944 A 1 1 46 3 anti-parallel anti-parallel A ILE 3 A ILE 3 A THR 4 A THR 4 A GLY 17 A GLY 17 A LEU 22 A LEU 22 A GLN 27 A GLN 27 A CYS 32 A CYS 32