1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Lauber, T. Rosch, P. Marx, U.C. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 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 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 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 278 24118 10.1074/JBC.M300370200 12707255 Solution Structure of Human Proguanylin: The Role of a Hormone Prosequence 2003 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 DISULPHIDE BONDS BETWEEN CYS69 AND CYS82, CYS104 AND CYS112, CYS107 AND CYS115 10351.790 GUANYLIN RESIDUES 22-115 1 man polymer GUANYLATE CYCLASE ACTIVATOR no no VTVQDGNFSFSLESVKKLKDLQEPQEPRVGKLRNFAPIPGEPVVPILCSNPNFPEELKPLCKEPNAQEILQRLEEIAEDP GTCEICAYAACTGC VTVQDGNFSFSLESVKKLKDLQEPQEPRVGKLRNFAPIPGEPVVPILCSNPNFPEELKPLCKEPNAQEILQRLEEIAEDP GTCEICAYAACTGC 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 HUMAN INTESTINAL MUCOSA AND BLOOD sample CLONED FROM CDNA ENTERO-ENDOCRINE CELLS 9606 HOMO SAPIENS 562 ESCHERICHIA COLI AD494 DE3 T7-EXPRESSION SYSTEM PET32A repository Initial release Version format compliance Version format compliance 1 0 2003-04-24 1 1 2011-05-08 1 2 2011-07-13 GUANYLIN (A-FORM) (ENDOGENOUS LIGAND TO THE HEAT STABLE ENTEROTOXIN RECEPTOR) (NMR, 20 STRUCTURES) GUANYLIN (B-FORM) (ENDOGENOUS LIGAND TO THE HEAT STABLE ENTEROTOXIN RECEPTOR) (NMR, 20 STRUCTURES) PDBE Y PDBE 2002-11-28 REL ENDOGENOUS ACTIVATOR OF INTESTINAL GUANYLATE CYCLASE. STIMULATES THROUGH THE SAME RECEPTOR BINDING REGION AS HEAT-STABLE ENTEROTOXINS. THE STRUCTURE WAS DETERMINED USING STANDARD 3D NMR EXPERIMENTS ON 15N- AND 13C/15N-LABELED PROGUANYLIN LOWEST OVERALL ENERGY, LEAST RESTRAINT VIOLATION 120 30 COSY TOCSY NOESY HSQC HNHA TOCSY-HSQC NOESY-HSQC HMQC-NOESY-HSQC HNCO HNCA HBHA (CBCACO)NH CBCA(CO)NH H(CCO)NH C(CO)NH HNCACB CTHSQC 13C/15N F2-FILTERED 2D NOESY REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE simulated annealing 1 BRUNGER refinement X-PLOR3.851 structure solution NMRVIEW5.0.4 structure solution X-PLOR3851 600 Bruker DRX 800 Bruker Avance VAL 1 n 1 VAL 1 A THR 2 n 2 THR 2 A VAL 3 n 3 VAL 3 A GLN 4 n 4 GLN 4 A ASP 5 n 5 ASP 5 A GLY 6 n 6 GLY 6 A ASN 7 n 7 ASN 7 A PHE 8 n 8 PHE 8 A SER 9 n 9 SER 9 A PHE 10 n 10 PHE 10 A SER 11 n 11 SER 11 A LEU 12 n 12 LEU 12 A GLU 13 n 13 GLU 13 A SER 14 n 14 SER 14 A VAL 15 n 15 VAL 15 A LYS 16 n 16 LYS 16 A LYS 17 n 17 LYS 17 A LEU 18 n 18 LEU 18 A LYS 19 n 19 LYS 19 A ASP 20 n 20 ASP 20 A LEU 21 n 21 LEU 21 A GLN 22 n 22 GLN 22 A GLU 23 n 23 GLU 23 A PRO 24 n 24 PRO 24 A GLN 25 n 25 GLN 25 A GLU 26 n 26 GLU 26 A PRO 27 n 27 PRO 27 A ARG 28 n 28 ARG 28 A VAL 29 n 29 VAL 29 A GLY 30 n 30 GLY 30 A LYS 31 n 31 LYS 31 A LEU 32 n 32 LEU 32 A ARG 33 n 33 ARG 33 A ASN 34 n 34 ASN 34 A PHE 35 n 35 PHE 35 A ALA 36 n 36 ALA 36 A PRO 37 n 37 PRO 37 A ILE 38 n 38 ILE 38 A PRO 39 n 39 PRO 39 A GLY 40 n 40 GLY 40 A GLU 41 n 41 GLU 41 A PRO 42 n 42 PRO 42 A VAL 43 n 43 VAL 43 A VAL 44 n 44 VAL 44 A PRO 45 n 45 PRO 45 A ILE 46 n 46 ILE 46 A LEU 47 n 47 LEU 47 A CYS 48 n 48 CYS 48 A SER 49 n 49 SER 49 A ASN 50 n 50 ASN 50 A PRO 51 n 51 PRO 51 A ASN 52 n 52 ASN 52 A PHE 53 n 53 PHE 53 A PRO 54 n 54 PRO 54 A GLU 55 n 55 GLU 55 A GLU 56 n 56 GLU 56 A LEU 57 n 57 LEU 57 A LYS 58 n 58 LYS 58 A PRO 59 n 59 PRO 59 A LEU 60 n 60 LEU 60 A CYS 61 n 61 CYS 61 A LYS 62 n 62 LYS 62 A GLU 63 n 63 GLU 63 A PRO 64 n 64 PRO 64 A ASN 65 n 65 ASN 65 A ALA 66 n 66 ALA 66 A GLN 67 n 67 GLN 67 A GLU 68 n 68 GLU 68 A ILE 69 n 69 ILE 69 A LEU 70 n 70 LEU 70 A GLN 71 n 71 GLN 71 A ARG 72 n 72 ARG 72 A LEU 73 n 73 LEU 73 A GLU 74 n 74 GLU 74 A GLU 75 n 75 GLU 75 A ILE 76 n 76 ILE 76 A ALA 77 n 77 ALA 77 A GLU 78 n 78 GLU 78 A ASP 79 n 79 ASP 79 A PRO 80 n 80 PRO 80 A GLY 81 n 81 GLY 81 A THR 82 n 82 THR 82 A CYS 83 n 83 CYS 83 A GLU 84 n 84 GLU 84 A ILE 85 n 85 ILE 85 A CYS 86 n 86 CYS 86 A ALA 87 n 87 ALA 87 A TYR 88 n 88 TYR 88 A ALA 89 n 89 ALA 89 A ALA 90 n 90 ALA 90 A CYS 91 n 91 CYS 91 A THR 92 n 92 THR 92 A GLY 93 n 93 GLY 93 A CYS 94 n 94 CYS 94 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 PHE 10 A N PHE 10 A O VAL 3 A O VAL 3 A N THR 2 A N THR 2 A O THR 92 A O THR 92 1 A A O H PRO LEU 54 57 1.43 1 A A O H GLU LYS 55 58 1.59 2 A A O H PRO LEU 54 57 1.46 2 A A O H VAL PHE 3 10 1.56 2 A A O H GLU GLN 23 25 1.58 2 A A O H GLU LYS 55 58 1.60 3 A A O H PRO LEU 54 57 1.46 3 A A O H PRO CYS 45 48 1.53 3 A A O H GLU LYS 55 58 1.55 4 A A O H PRO LEU 54 57 1.47 4 A A O H GLU LYS 55 58 1.57 5 A A O H PRO LEU 54 57 1.47 5 A A O H GLU LYS 55 58 1.54 6 A A O H PRO LEU 54 57 1.50 6 A A O H GLU LYS 55 58 1.56 6 A A HZ3 O LYS ARG 16 33 1.57 6 A A O HE21 ASP GLN 20 22 1.58 6 A A O H GLU GLN 23 25 1.58 7 A A O H PRO LEU 54 57 1.45 7 A A O H VAL PHE 3 10 1.56 8 A A O H PRO LEU 54 57 1.47 8 A A O H GLU GLN 23 25 1.57 8 A A O H GLU LYS 55 58 1.58 8 A A O H VAL PHE 3 10 1.60 9 A A O H PRO LEU 54 57 1.43 9 A A O H ALA ILE 36 38 1.54 9 A A O H GLU LYS 55 58 1.58 10 A A O H PRO LEU 54 57 1.46 10 A A O H GLU LYS 55 58 1.51 11 A A O H PRO LEU 54 57 1.44 11 A A O H VAL PHE 3 10 1.56 12 A A O H PRO LEU 54 57 1.49 12 A A O H GLU LYS 55 58 1.52 13 A A O H PRO LEU 54 57 1.45 13 A A O H GLU LYS 55 58 1.51 13 A A O H LEU ALA 73 77 1.56 14 A A O H PRO LEU 54 57 1.48 14 A A O H VAL PHE 3 10 1.58 14 A A O H GLU LYS 55 58 1.59 15 A A O H PRO LEU 54 57 1.51 15 A A O H PRO CYS 45 48 1.53 15 A A O H GLU LYS 55 58 1.59 16 A A O H PRO LEU 54 57 1.46 16 A A O H VAL PHE 3 10 1.57 16 A A O H GLU LYS 55 58 1.57 17 A A O H PRO LEU 54 57 1.50 17 A A O H GLU LYS 55 58 1.55 18 A A O H PRO LEU 54 57 1.52 18 A A O H GLU LYS 55 58 1.55 19 A A O H PRO LEU 54 57 1.50 19 A A O H GLU LYS 55 58 1.57 19 A A O H VAL PHE 3 10 1.58 20 A A O H PRO LEU 54 57 1.49 20 A A O H GLU LYS 55 58 1.55 20 A A O H ASN ILE 65 69 1.57 21 A A O H PRO LEU 54 57 1.47 21 A A O H VAL PHE 3 10 1.58 21 A A O H GLU LYS 55 58 1.58 21 A A O H ASN ILE 65 69 1.60 22 A A O H PRO LEU 54 57 1.49 22 A A O H GLU LYS 55 58 1.55 22 A A O H PRO CYS 45 48 1.56 23 A A O H PRO LEU 54 57 1.48 23 A A O H GLU LYS 55 58 1.51 23 A A O H GLU GLN 23 25 1.56 23 A A O HD21 LEU ASN 18 50 1.58 24 A A O H PRO LEU 54 57 1.47 24 A A O H GLU LYS 55 58 1.53 25 A A O H PRO LEU 54 57 1.46 25 A A O H THR THR 2 92 1.50 25 A A O H VAL PHE 3 10 1.57 26 A A O H PRO LEU 54 57 1.48 26 A A O H GLU LYS 55 58 1.50 27 A A O H PRO LEU 54 57 1.46 27 A A O H ALA LEU 66 70 1.60 28 A A O H PRO LEU 54 57 1.45 28 A A O H GLU LYS 55 58 1.49 29 A A O H PRO LEU 54 57 1.46 29 A A O H SER LEU 14 18 1.51 29 A A O H ARG ILE 72 76 1.55 29 A A O H LEU ALA 73 77 1.55 29 A A O H GLU LYS 55 58 1.58 30 A A O H PRO LEU 54 57 1.45 30 A A O H ILE LEU 69 73 1.48 30 A A O H PRO CYS 45 48 1.48 1 A ARG 28 0.252 SIDE CHAIN 1 A ARG 33 0.307 SIDE CHAIN 1 A ARG 72 0.259 SIDE CHAIN 2 A ARG 28 0.210 SIDE CHAIN 2 A ARG 33 0.197 SIDE CHAIN 2 A ARG 72 0.261 SIDE CHAIN 3 A ARG 28 0.263 SIDE CHAIN 3 A ARG 33 0.315 SIDE CHAIN 3 A ARG 72 0.288 SIDE CHAIN 4 A ARG 28 0.176 SIDE CHAIN 4 A ARG 33 0.299 SIDE CHAIN 5 A ARG 28 0.287 SIDE CHAIN 5 A ARG 33 0.282 SIDE CHAIN 5 A ARG 72 0.282 SIDE CHAIN 6 A ARG 28 0.272 SIDE CHAIN 6 A ARG 33 0.316 SIDE CHAIN 6 A ARG 72 0.297 SIDE CHAIN 7 A ARG 28 0.308 SIDE CHAIN 7 A ARG 33 0.193 SIDE CHAIN 7 A ARG 72 0.287 SIDE CHAIN 8 A ARG 28 0.185 SIDE CHAIN 8 A ARG 72 0.158 SIDE CHAIN 9 A ARG 28 0.318 SIDE CHAIN 9 A ARG 33 0.318 SIDE CHAIN 9 A ARG 72 0.300 SIDE CHAIN 10 A ARG 28 0.281 SIDE CHAIN 11 A ARG 28 0.214 SIDE CHAIN 11 A ARG 33 0.299 SIDE CHAIN 11 A ARG 72 0.217 SIDE CHAIN 12 A ARG 28 0.297 SIDE CHAIN 12 A ARG 33 0.282 SIDE CHAIN 12 A ARG 72 0.205 SIDE CHAIN 13 A ARG 28 0.313 SIDE CHAIN 13 A ARG 33 0.182 SIDE CHAIN 13 A ARG 72 0.113 SIDE CHAIN 14 A ARG 28 0.222 SIDE CHAIN 14 A ARG 33 0.307 SIDE CHAIN 14 A ARG 72 0.276 SIDE CHAIN 15 A ARG 28 0.272 SIDE CHAIN 15 A ARG 33 0.257 SIDE CHAIN 15 A ARG 72 0.216 SIDE CHAIN 16 A ARG 28 0.312 SIDE CHAIN 16 A ARG 33 0.231 SIDE CHAIN 16 A ARG 72 0.083 SIDE CHAIN 17 A ARG 28 0.249 SIDE CHAIN 17 A ARG 33 0.293 SIDE CHAIN 18 A ARG 28 0.296 SIDE CHAIN 18 A ARG 33 0.232 SIDE CHAIN 18 A ARG 72 0.129 SIDE CHAIN 19 A ARG 33 0.191 SIDE CHAIN 19 A ARG 72 0.248 SIDE CHAIN 20 A ARG 28 0.222 SIDE CHAIN 20 A ARG 33 0.156 SIDE CHAIN 20 A ARG 72 0.203 SIDE CHAIN 21 A ARG 28 0.217 SIDE CHAIN 21 A ARG 33 0.308 SIDE CHAIN 21 A ARG 72 0.305 SIDE CHAIN 22 A ARG 28 0.297 SIDE CHAIN 22 A ARG 33 0.201 SIDE CHAIN 22 A ARG 72 0.316 SIDE CHAIN 23 A ARG 33 0.156 SIDE CHAIN 23 A ARG 72 0.182 SIDE CHAIN 24 A ARG 28 0.178 SIDE CHAIN 24 A ARG 33 0.233 SIDE CHAIN 24 A ARG 72 0.308 SIDE CHAIN 25 A ARG 28 0.262 SIDE CHAIN 25 A ARG 33 0.307 SIDE CHAIN 25 A ARG 72 0.265 SIDE CHAIN 26 A ARG 28 0.224 SIDE CHAIN 26 A ARG 33 0.277 SIDE CHAIN 26 A ARG 72 0.246 SIDE CHAIN 27 A ARG 28 0.316 SIDE CHAIN 27 A ARG 33 0.312 SIDE CHAIN 27 A ARG 72 0.317 SIDE CHAIN 28 A ARG 28 0.119 SIDE CHAIN 28 A ARG 33 0.112 SIDE CHAIN 28 A ARG 72 0.291 SIDE CHAIN 29 A ARG 28 0.189 SIDE CHAIN 29 A ARG 33 0.222 SIDE CHAIN 29 A ARG 72 0.256 SIDE CHAIN 30 A ARG 28 0.188 SIDE CHAIN 30 A ARG 33 0.161 SIDE CHAIN 30 A ARG 72 0.290 SIDE CHAIN 1 A GLU 13 -67.01 -73.91 1 A GLN 22 -148.22 54.39 1 A PRO 27 -61.46 -158.99 1 A PRO 37 -63.56 -150.59 1 A VAL 44 -155.00 85.16 1 A PRO 45 -61.66 -149.02 1 A LEU 47 -111.11 -74.64 1 A PRO 54 -58.03 72.62 1 A ASP 79 -178.86 124.61 2 A GLN 22 -145.70 55.32 2 A PRO 24 -62.78 61.40 2 A ASN 34 -172.09 31.35 2 A PRO 37 -61.77 -143.78 2 A ILE 46 -147.09 -39.54 2 A CYS 48 56.23 144.33 2 A SER 49 -98.60 -72.54 2 A PRO 54 -58.28 74.53 2 A CYS 86 52.78 19.81 3 A GLU 23 53.27 179.55 3 A PRO 24 -58.27 176.93 3 A GLN 25 -41.50 -83.46 3 A ARG 28 41.79 87.77 3 A ASN 34 -158.16 -65.99 3 A PHE 35 -58.58 70.21 3 A ILE 38 71.44 123.24 3 A PRO 39 -61.89 -178.24 3 A VAL 43 178.46 91.06 3 A CYS 48 59.38 131.49 3 A PRO 54 -58.06 74.72 3 A GLU 55 -39.34 -29.58 3 A CYS 86 51.47 19.87 4 A GLU 13 -68.56 -71.30 4 A GLU 23 42.83 92.30 4 A PRO 24 -58.69 172.77 4 A GLU 26 50.55 101.38 4 A PHE 35 -162.65 97.11 4 A ALA 36 -39.89 98.42 4 A ILE 38 56.87 88.81 4 A VAL 44 -151.66 52.09 4 A ILE 46 -179.98 -29.49 4 A LEU 47 -159.05 70.01 4 A CYS 48 44.58 102.69 4 A PRO 54 -58.30 74.92 4 A GLU 55 -39.22 -27.77 4 A CYS 86 56.71 14.14 5 A ASP 5 -93.26 -81.24 5 A GLU 13 -74.21 -73.60 5 A ASP 20 -116.99 70.20 5 A GLN 22 46.79 -173.20 5 A GLN 25 -169.93 50.09 5 A ASN 34 -150.53 46.62 5 A PRO 37 -62.14 -80.03 5 A VAL 43 -177.44 71.59 5 A CYS 48 59.52 128.40 5 A PRO 54 -58.30 75.13 5 A GLU 55 -39.06 -29.05 6 A GLU 13 -68.66 -73.36 6 A GLU 23 49.00 74.14 6 A PRO 24 -62.22 62.28 6 A ARG 33 -114.07 55.10 6 A PHE 35 -173.70 -71.73 6 A VAL 44 -156.94 70.97 6 A PRO 45 -61.19 -143.89 6 A LEU 47 -142.38 -74.94 6 A PRO 54 -58.03 75.55 6 A GLU 55 -39.40 -28.43 6 A THR 82 72.45 -40.98 6 A CYS 86 52.77 16.96 7 A ASP 5 -96.03 -71.68 7 A GLU 13 -71.89 -73.03 7 A GLN 22 179.06 55.73 7 A GLN 25 -58.91 -117.11 7 A LEU 47 -177.93 98.06 7 A CYS 48 47.60 99.00 7 A PRO 54 -59.02 73.96 7 A GLU 55 -39.43 -32.04 7 A CYS 86 56.47 15.64 8 A ASP 5 -79.73 -77.12 8 A GLU 13 -70.95 -71.62 8 A GLU 23 -42.51 156.64 8 A PRO 24 -62.54 60.64 8 A ASN 34 -156.32 19.20 8 A PRO 37 -62.75 -149.90 8 A PRO 45 -63.52 -145.68 8 A LEU 47 -150.76 71.89 8 A CYS 48 54.35 129.99 8 A SER 49 -77.47 -70.82 8 A PRO 54 -59.36 75.10 8 A GLU 55 -39.27 -27.95 8 A CYS 86 54.07 18.73 9 A GLU 23 56.72 86.11 9 A PHE 35 -178.13 82.76 9 A PRO 37 -64.05 52.79 9 A ILE 38 53.81 113.94 9 A VAL 43 -140.25 54.80 9 A ILE 46 -145.16 -36.78 9 A LEU 47 -177.38 101.58 9 A CYS 48 33.67 95.72 9 A PRO 54 -60.57 73.43 9 A GLU 55 -39.22 -31.18 9 A CYS 86 50.90 19.74 10 A GLU 23 59.41 136.00 10 A GLN 25 56.60 -159.68 10 A PRO 37 -65.55 -148.26 10 A VAL 43 -147.67 54.29 10 A VAL 44 -161.13 74.33 10 A ILE 46 -148.65 -39.43 10 A LEU 47 -130.94 -115.82 10 A PRO 54 -57.59 75.58 10 A GLU 55 -39.44 -28.83 10 A PRO 80 -61.67 82.97 10 A CYS 86 54.30 17.12 11 A LYS 31 -91.11 -65.02 11 A ARG 33 -62.25 74.68 11 A PRO 37 -67.23 30.16 11 A ILE 38 58.77 132.89 11 A GLU 41 -119.46 76.47 11 A VAL 44 168.23 -52.20 11 A ILE 46 -89.09 35.56 11 A LEU 47 54.13 75.27 11 A CYS 48 43.21 95.60 11 A ASN 52 -140.32 33.73 11 A PRO 54 -57.86 72.16 11 A CYS 86 55.43 15.15 12 A GLU 13 -70.97 -70.71 12 A GLU 26 53.52 71.98 12 A ARG 28 45.58 -170.49 12 A PHE 35 60.90 64.52 12 A ILE 38 67.39 137.06 12 A VAL 43 -109.24 48.08 12 A VAL 44 -151.87 48.22 12 A ILE 46 -102.81 -70.60 12 A CYS 48 49.69 100.62 12 A SER 49 -65.85 -73.00 12 A PRO 54 -56.82 76.19 12 A GLU 55 -39.38 -26.50 12 A CYS 86 57.92 17.58 13 A GLU 13 -64.47 -71.92 13 A GLU 26 -158.97 88.07 13 A PRO 37 -63.18 -149.79 13 A VAL 44 -160.76 62.00 13 A PRO 45 -64.48 -153.66 13 A CYS 48 57.93 133.48 13 A PRO 54 -56.39 74.27 13 A PRO 80 -59.44 -71.40 14 A ASP 5 -93.84 -78.00 14 A GLU 13 -71.75 -77.27 14 A ARG 33 -111.24 54.58 14 A PHE 35 -178.08 -31.86 14 A ALA 36 -55.49 109.68 14 A PRO 37 -63.24 81.18 14 A ILE 38 48.12 170.38 14 A VAL 44 -155.36 81.07 14 A PRO 45 -60.59 -142.16 14 A LEU 47 -135.19 -78.03 14 A PRO 54 -58.41 74.28 14 A CYS 86 57.87 13.59 15 A GLU 13 -73.96 -75.63 15 A ASN 34 -174.22 -129.95 15 A PHE 35 63.66 89.83 15 A ALA 36 -50.24 107.27 15 A ILE 38 61.64 70.73 15 A PRO 42 -61.07 90.23 15 A VAL 44 -158.16 72.58 15 A CYS 48 70.99 128.48 15 A SER 49 -55.48 -79.62 15 A PRO 54 -55.64 75.52 15 A ASP 79 175.04 94.42 15 A PRO 80 -59.74 77.38 15 A CYS 86 57.83 15.00 16 A GLU 13 -67.75 -71.51 16 A GLN 25 -58.31 -154.30 16 A GLU 26 -116.32 79.52 16 A ALA 36 -54.05 107.67 16 A VAL 43 179.15 83.15 16 A CYS 48 58.84 121.00 16 A PRO 54 -57.85 74.75 16 A CYS 86 54.97 15.49 17 A GLU 26 174.18 74.96 17 A ALA 36 -49.48 177.85 17 A PRO 37 -61.83 81.96 17 A VAL 43 -158.47 72.86 17 A ILE 46 -177.59 -40.08 17 A CYS 48 57.97 123.09 17 A PRO 54 -56.57 75.00 17 A GLU 55 -39.35 -27.14 17 A PRO 80 -62.47 84.04 17 A CYS 86 51.14 17.37 18 A GLU 13 -76.28 -71.02 18 A GLU 23 171.85 164.20 18 A PHE 35 179.38 66.06 18 A ILE 38 154.68 116.10 18 A LEU 47 178.97 89.43 18 A CYS 48 57.21 112.86 18 A PRO 54 -57.37 75.76 18 A GLU 55 -39.11 -26.53 18 A CYS 86 55.37 16.25 19 A ASP 5 -92.06 -78.89 19 A GLU 23 55.66 -175.68 19 A VAL 29 33.72 85.82 19 A ASN 34 175.93 54.36 19 A ALA 36 -45.60 106.68 19 A PRO 37 -66.86 -161.88 19 A ILE 38 -153.32 72.89 19 A GLU 41 -119.48 77.87 19 A VAL 43 -121.77 -166.90 19 A ILE 46 -159.41 -39.15 19 A LEU 47 -158.78 89.94 19 A CYS 48 47.58 109.66 19 A SER 49 -59.89 -86.80 19 A PRO 54 -57.73 75.96 19 A GLU 55 -39.20 -27.52 19 A ASP 79 -160.26 106.86 19 A CYS 86 51.45 19.75 20 A ASN 34 168.91 -157.00 20 A PRO 37 -62.82 -150.13 20 A GLU 41 60.72 72.18 20 A PRO 42 -61.58 -165.76 20 A VAL 44 -158.19 52.29 20 A ILE 46 -149.21 -33.79 20 A CYS 48 57.41 124.69 20 A PRO 54 -54.45 76.44 20 A GLU 55 -39.65 -27.45 20 A CYS 86 56.96 16.50 21 A ASP 5 -151.45 -62.19 21 A GLU 23 42.18 76.30 21 A VAL 29 56.14 109.42 21 A PRO 37 -64.39 63.64 21 A VAL 43 -140.51 54.83 21 A PRO 45 -60.19 -149.72 21 A CYS 48 62.49 154.40 21 A PRO 54 -56.36 76.38 21 A GLU 55 -39.07 -26.31 21 A CYS 86 57.21 18.83 22 A GLU 13 -74.29 -73.17 22 A GLN 22 -54.99 -168.18 22 A GLU 23 59.43 163.56 22 A PRO 37 -62.46 -150.96 22 A VAL 44 76.11 38.86 22 A CYS 48 53.64 162.42 22 A SER 49 -107.69 -70.70 22 A PRO 54 -57.86 75.99 22 A GLU 55 -39.28 -27.54 22 A PRO 80 -61.72 -71.28 22 A CYS 86 59.39 12.12 23 A GLU 13 -71.72 -73.89 23 A PRO 24 -62.74 60.24 23 A LEU 32 56.52 -155.17 23 A PRO 37 -68.32 88.15 23 A PRO 42 -61.52 75.03 23 A VAL 44 167.06 -52.47 23 A LEU 47 164.34 70.21 23 A CYS 48 34.87 95.57 23 A PRO 51 -63.80 0.84 23 A PRO 54 -54.93 75.78 23 A PRO 80 -61.66 -74.99 23 A CYS 86 58.56 13.60 24 A ASP 5 -137.74 -60.30 24 A GLU 13 -64.23 -71.81 24 A GLN 22 175.70 159.95 24 A GLU 23 54.87 177.45 24 A ASN 34 179.79 54.43 24 A PRO 37 -68.57 -157.01 24 A ILE 46 -157.57 -29.96 24 A LEU 47 -144.00 -114.38 24 A PRO 54 -61.47 75.14 24 A GLU 55 -39.07 -27.43 24 A CYS 86 49.95 19.36 25 A ASP 5 -96.14 -74.85 25 A GLU 13 -69.04 -73.02 25 A GLU 26 -164.03 101.52 25 A ALA 36 -48.73 152.25 25 A PRO 37 -65.61 3.84 25 A ILE 38 72.81 135.26 25 A VAL 44 -163.90 53.94 25 A LEU 47 174.02 90.65 25 A CYS 48 39.24 95.84 25 A PRO 54 -58.35 74.68 25 A GLU 55 -39.50 -26.78 25 A ASP 79 -162.11 96.14 25 A PRO 80 -67.82 44.71 25 A CYS 86 59.19 15.66 26 A ASP 5 -136.94 -58.38 26 A GLU 23 -36.58 97.92 26 A GLN 25 -150.16 -49.87 26 A ARG 33 -176.98 54.63 26 A ASN 34 -95.95 -70.49 26 A PHE 35 -57.40 80.21 26 A ILE 38 63.26 133.36 26 A GLU 41 -119.84 74.81 26 A VAL 44 164.16 -50.29 26 A ILE 46 -89.69 -75.59 26 A LEU 47 178.77 67.57 26 A CYS 48 37.70 92.82 26 A PRO 54 -57.51 76.76 26 A GLU 55 -38.88 -28.47 26 A CYS 86 54.76 16.32 27 A GLU 13 -73.28 -73.93 27 A LEU 18 -27.88 -41.58 27 A LEU 21 45.94 104.77 27 A GLU 23 -42.58 165.83 27 A PRO 24 -60.88 70.41 27 A ARG 33 -117.83 54.25 27 A PRO 37 -61.55 -147.95 27 A PRO 45 -61.17 -169.29 27 A CYS 48 56.98 133.37 27 A PRO 54 -56.53 75.58 27 A ASP 79 95.04 73.13 28 A GLU 13 -70.23 -72.90 28 A PRO 27 -61.30 -79.56 28 A VAL 29 46.19 101.35 28 A LYS 31 -82.92 -105.00 28 A PRO 37 -62.64 -148.13 28 A PRO 45 -59.86 -123.42 28 A LEU 47 -136.10 -89.28 28 A SER 49 -62.63 -73.77 28 A PRO 54 -59.28 74.87 28 A GLU 55 -39.28 -32.33 28 A PRO 80 -62.38 74.95 29 A LEU 18 1.66 -71.54 29 A GLU 23 -45.68 158.90 29 A GLN 25 64.07 84.75 29 A GLU 26 -36.38 96.90 29 A LEU 32 54.52 102.96 29 A ARG 33 -103.20 61.64 29 A PRO 37 -61.84 -149.02 29 A CYS 48 58.01 143.66 29 A SER 49 -69.73 -76.20 29 A PRO 51 -64.63 1.84 29 A PRO 54 -56.40 73.39 29 A GLN 71 -47.46 -17.62 29 A THR 92 -150.55 -15.81 30 A GLU 13 -63.25 -74.10 30 A VAL 29 55.68 167.09 30 A ARG 33 38.08 73.14 30 A ILE 38 71.95 78.00 30 A VAL 43 33.73 83.73 30 A VAL 44 45.27 -161.40 30 A PRO 51 -66.45 1.55 30 A PRO 54 -61.00 73.34 30 A GLU 55 -38.87 -28.41 GUANYLIN Solution structure of human proguanylin 1 N N A LEU 12 A LEU 12 HELX_P A LYS 17 A LYS 17 1 1 6 A PRO 54 A PRO 54 HELX_P A GLU 56 A GLU 56 5 2 3 A LEU 57 A LEU 57 HELX_P A LYS 62 A LYS 62 1 3 6 A ALA 66 A ALA 66 HELX_P A GLU 78 A GLU 78 1 4 13 disulf 2.127 A CYS 48 A SG CYS 48 1_555 A CYS 61 A SG CYS 61 1_555 disulf 1.925 A CYS 83 A SG CYS 83 1_555 A CYS 91 A SG CYS 91 1_555 disulf 1.954 A CYS 86 A SG CYS 86 1_555 A CYS 94 A SG CYS 94 1_555 PROHORMONE PROHORMONE, PROGUANYLIN, GUANYLIN, GAP-I, PRECURSOR, PROSEQUENCE GUAN_HUMAN UNP 1 Q02747 22 115 1O8R 1 94 Q02747 A 1 1 94 3 anti-parallel anti-parallel A SER 9 A SER 9 A PHE 10 A PHE 10 A THR 2 A THR 2 A GLN 4 A GLN 4 A CYS 91 A CYS 91 A THR 92 A THR 92 1 P 1