0.022831 0.000000 0.000000 0.000000 0.011598 0.000000 0.000000 0.000000 0.015202 0.00000 0.00000 0.00000 Zanotti, G. D'Acunto, M.R. Malpeli, G. Folli, C. Berni, R. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 43.800 86.220 65.780 C20 H28 O2 300.435 (9cis)-retinoic acid non-polymer 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 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 H2 O 18.015 WATER non-polymer 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 234 563 569 10.1111/j.1432-1033.1995.563_b.x 8536704 Crystal structure of the transthyretin--retinoic-acid complex 1995 US J.Biol.Chem. JBCHA3 0071 0021-9258 269 29613 Crystallographic Studies on Complexes between Retinoids and Plasma Retinol-Binding Protein 1994 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 89 6644 Crystal Structure Determination at 2.3 Angstroms of Human Transthyretin-3',5'-Dibromo-2',4,4', 6-Tetra-Hydroxyaurone Complex 1992 US J.Biol.Chem. JBCHA3 0071 0021-9258 267 353 Mechanism of Molecular Recognition. Structural Aspects of 3,3'-Diiodo-L-Thyronine Binding to Human Serum Transthyretin 1992 UK Nature NATUAS 0006 0028-0836 268 115 Protein-DNA and Protein-Hormone Interactions in Prealbumin: A Model of the Thyroid Hormone Nuclear Receptor? 1977 UK J.Mol.Biol. JMOBAK 0070 0022-2836 88 1 Structure of Human Plasma Prealbumin at 2.5 Angstroms Resolution, a Preliminary Report on the Polypeptide Chain Conformation, Quaternary Structure and Thyroxine Binding 1974 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 AREA DETECTOR 1994-11 SIEMENS-NICOLET X100 M x-ray 1 1.5418 1.0 1.5418 13777.360 TRANSTHYRETIN 2 nat polymer 300.435 (9cis)-retinoic acid 2 syn non-polymer 18.015 water 97 nat water PREALBUMIN no no GPTGTGESKCPLMVKVLDAVRGSPAINVAVHVFRKAADDTWEPFASGKTSESGELHGLTTEEEFVEGIYKVEIDTKSYWK ALGISPFHEHAEVVFTANDSGPRRYTIAALLSPYSYSTTAVVTNPKE GPTGTGESKCPLMVKVLDAVRGSPAINVAVHVFRKAADDTWEPFASGKTSESGELHGLTTEEEFVEGIYKVEIDTKSYWK ALGISPFHEHAEVVFTANDSGPRRYTIAALLSPYSYSTTAVVTNPKE A,B 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 n n n n n n n n n n n n n n n human Homo sample 9606 Homo sapiens 2.25 45.39 pdbx_database_status struct_conf struct_conf_type repository Initial release Version format compliance Version format compliance Non-polymer description Derived calculations Other 1 0 1995-09-15 1 1 2008-03-03 1 2 2011-07-13 1 3 2016-11-09 1 4 2017-11-29 _pdbx_database_status.process_site NATIVE TRANSTHYRETIN Y BNL 1995-05-12 REL 9CR (9cis)-retinoic acid HOH water 9CR 131 2 9CR 9CR 131 A 9CR 130 2 9CR 9CR 130 B HOH 201 3 HOH HOH 201 A HOH 202 3 HOH HOH 202 A HOH 203 3 HOH HOH 203 A HOH 204 3 HOH HOH 204 A HOH 205 3 HOH HOH 205 A HOH 206 3 HOH HOH 206 A HOH 207 3 HOH HOH 207 A HOH 208 3 HOH HOH 208 A HOH 209 3 HOH HOH 209 A HOH 210 3 HOH HOH 210 A HOH 211 3 HOH HOH 211 A HOH 212 3 HOH HOH 212 A HOH 213 3 HOH HOH 213 A HOH 214 3 HOH HOH 214 A HOH 215 3 HOH HOH 215 A HOH 216 3 HOH HOH 216 A HOH 217 3 HOH HOH 217 A HOH 218 3 HOH HOH 218 A HOH 219 3 HOH HOH 219 A HOH 220 3 HOH HOH 220 A HOH 221 3 HOH HOH 221 A HOH 223 3 HOH HOH 223 A HOH 224 3 HOH HOH 224 A HOH 225 3 HOH HOH 225 A HOH 226 3 HOH HOH 226 A HOH 227 3 HOH HOH 227 A HOH 228 3 HOH HOH 228 A HOH 229 3 HOH HOH 229 A HOH 230 3 HOH HOH 230 A HOH 231 3 HOH HOH 231 A HOH 232 3 HOH HOH 232 A HOH 233 3 HOH HOH 233 A HOH 234 3 HOH HOH 234 A HOH 267 3 HOH HOH 267 A HOH 268 3 HOH HOH 268 A HOH 271 3 HOH HOH 271 A HOH 272 3 HOH HOH 272 A HOH 273 3 HOH HOH 273 A HOH 276 3 HOH HOH 276 A HOH 278 3 HOH HOH 278 A HOH 279 3 HOH HOH 279 A HOH 280 3 HOH HOH 280 A HOH 282 3 HOH HOH 282 A HOH 283 3 HOH HOH 283 A HOH 284 3 HOH HOH 284 A HOH 285 3 HOH HOH 285 A HOH 286 3 HOH HOH 286 A HOH 289 3 HOH HOH 289 A HOH 290 3 HOH HOH 290 A HOH 291 3 HOH HOH 291 A HOH 292 3 HOH HOH 292 A HOH 295 3 HOH HOH 295 A HOH 296 3 HOH HOH 296 A HOH 200 3 HOH HOH 200 B HOH 222 3 HOH HOH 222 B HOH 235 3 HOH HOH 235 B HOH 236 3 HOH HOH 236 B HOH 237 3 HOH HOH 237 B HOH 238 3 HOH HOH 238 B HOH 239 3 HOH HOH 239 B HOH 240 3 HOH HOH 240 B HOH 241 3 HOH HOH 241 B HOH 242 3 HOH HOH 242 B HOH 243 3 HOH HOH 243 B HOH 244 3 HOH HOH 244 B HOH 245 3 HOH HOH 245 B HOH 246 3 HOH HOH 246 B HOH 247 3 HOH HOH 247 B HOH 248 3 HOH HOH 248 B HOH 249 3 HOH HOH 249 B HOH 250 3 HOH HOH 250 B HOH 251 3 HOH HOH 251 B HOH 252 3 HOH HOH 252 B HOH 253 3 HOH HOH 253 B HOH 254 3 HOH HOH 254 B HOH 255 3 HOH HOH 255 B HOH 256 3 HOH HOH 256 B HOH 257 3 HOH HOH 257 B HOH 258 3 HOH HOH 258 B HOH 259 3 HOH HOH 259 B HOH 260 3 HOH HOH 260 B HOH 261 3 HOH HOH 261 B HOH 262 3 HOH HOH 262 B HOH 263 3 HOH HOH 263 B HOH 264 3 HOH HOH 264 B HOH 265 3 HOH HOH 265 B HOH 266 3 HOH HOH 266 B HOH 269 3 HOH HOH 269 B HOH 270 3 HOH HOH 270 B HOH 274 3 HOH HOH 274 B HOH 275 3 HOH HOH 275 B HOH 277 3 HOH HOH 277 B HOH 281 3 HOH HOH 281 B HOH 287 3 HOH HOH 287 B HOH 288 3 HOH HOH 288 B HOH 293 3 HOH HOH 293 B HOH 294 3 HOH HOH 294 B GLY 1 n 1 GLY 1 A PRO 2 n 2 PRO 2 A THR 3 n 3 THR 3 A GLY 4 n 4 GLY 4 A THR 5 n 5 THR 5 A GLY 6 n 6 GLY 6 A GLU 7 n 7 GLU 7 A SER 8 n 8 SER 8 A LYS 9 n 9 LYS 9 A CYS 10 n 10 CYS 10 A PRO 11 n 11 PRO 11 A LEU 12 n 12 LEU 12 A MET 13 n 13 MET 13 A VAL 14 n 14 VAL 14 A LYS 15 n 15 LYS 15 A VAL 16 n 16 VAL 16 A LEU 17 n 17 LEU 17 A ASP 18 n 18 ASP 18 A ALA 19 n 19 ALA 19 A VAL 20 n 20 VAL 20 A ARG 21 n 21 ARG 21 A GLY 22 n 22 GLY 22 A SER 23 n 23 SER 23 A PRO 24 n 24 PRO 24 A ALA 25 n 25 ALA 25 A ILE 26 n 26 ILE 26 A ASN 27 n 27 ASN 27 A VAL 28 n 28 VAL 28 A ALA 29 n 29 ALA 29 A VAL 30 n 30 VAL 30 A HIS 31 n 31 HIS 31 A VAL 32 n 32 VAL 32 A PHE 33 n 33 PHE 33 A ARG 34 n 34 ARG 34 A LYS 35 n 35 LYS 35 A ALA 36 n 36 ALA 36 A ALA 37 n 37 ALA 37 A ASP 38 n 38 ASP 38 A ASP 39 n 39 ASP 39 A THR 40 n 40 THR 40 A TRP 41 n 41 TRP 41 A GLU 42 n 42 GLU 42 A PRO 43 n 43 PRO 43 A PHE 44 n 44 PHE 44 A ALA 45 n 45 ALA 45 A SER 46 n 46 SER 46 A GLY 47 n 47 GLY 47 A LYS 48 n 48 LYS 48 A THR 49 n 49 THR 49 A SER 50 n 50 SER 50 A GLU 51 n 51 GLU 51 A SER 52 n 52 SER 52 A GLY 53 n 53 GLY 53 A GLU 54 n 54 GLU 54 A LEU 55 n 55 LEU 55 A HIS 56 n 56 HIS 56 A GLY 57 n 57 GLY 57 A LEU 58 n 58 LEU 58 A THR 59 n 59 THR 59 A THR 60 n 60 THR 60 A GLU 61 n 61 GLU 61 A GLU 62 n 62 GLU 62 A GLU 63 n 63 GLU 63 A PHE 64 n 64 PHE 64 A VAL 65 n 65 VAL 65 A GLU 66 n 66 GLU 66 A GLY 67 n 67 GLY 67 A ILE 68 n 68 ILE 68 A TYR 69 n 69 TYR 69 A LYS 70 n 70 LYS 70 A VAL 71 n 71 VAL 71 A GLU 72 n 72 GLU 72 A ILE 73 n 73 ILE 73 A ASP 74 n 74 ASP 74 A THR 75 n 75 THR 75 A LYS 76 n 76 LYS 76 A SER 77 n 77 SER 77 A TYR 78 n 78 TYR 78 A TRP 79 n 79 TRP 79 A LYS 80 n 80 LYS 80 A ALA 81 n 81 ALA 81 A LEU 82 n 82 LEU 82 A GLY 83 n 83 GLY 83 A ILE 84 n 84 ILE 84 A SER 85 n 85 SER 85 A PRO 86 n 86 PRO 86 A PHE 87 n 87 PHE 87 A HIS 88 n 88 HIS 88 A GLU 89 n 89 GLU 89 A HIS 90 n 90 HIS 90 A ALA 91 n 91 ALA 91 A GLU 92 n 92 GLU 92 A VAL 93 n 93 VAL 93 A VAL 94 n 94 VAL 94 A PHE 95 n 95 PHE 95 A THR 96 n 96 THR 96 A ALA 97 n 97 ALA 97 A ASN 98 n 98 ASN 98 A ASP 99 n 99 ASP 99 A SER 100 n 100 SER 100 A GLY 101 n 101 GLY 101 A PRO 102 n 102 PRO 102 A ARG 103 n 103 ARG 103 A ARG 104 n 104 ARG 104 A TYR 105 n 105 TYR 105 A THR 106 n 106 THR 106 A ILE 107 n 107 ILE 107 A ALA 108 n 108 ALA 108 A ALA 109 n 109 ALA 109 A LEU 110 n 110 LEU 110 A LEU 111 n 111 LEU 111 A SER 112 n 112 SER 112 A PRO 113 n 113 PRO 113 A TYR 114 n 114 TYR 114 A SER 115 n 115 SER 115 A TYR 116 n 116 TYR 116 A SER 117 n 117 SER 117 A THR 118 n 118 THR 118 A THR 119 n 119 THR 119 A ALA 120 n 120 ALA 120 A VAL 121 n 121 VAL 121 A VAL 122 n 122 VAL 122 A THR 123 n 123 THR 123 A ASN 124 n 124 ASN 124 A PRO 125 n 125 PRO 125 A LYS 126 n 126 LYS 126 A GLU 127 n 127 GLU 127 A GLY 1 n 1 GLY 1 B PRO 2 n 2 PRO 2 B THR 3 n 3 THR 3 B GLY 4 n 4 GLY 4 B THR 5 n 5 THR 5 B GLY 6 n 6 GLY 6 B GLU 7 n 7 GLU 7 B SER 8 n 8 SER 8 B LYS 9 n 9 LYS 9 B CYS 10 n 10 CYS 10 B PRO 11 n 11 PRO 11 B LEU 12 n 12 LEU 12 B MET 13 n 13 MET 13 B VAL 14 n 14 VAL 14 B LYS 15 n 15 LYS 15 B VAL 16 n 16 VAL 16 B LEU 17 n 17 LEU 17 B ASP 18 n 18 ASP 18 B ALA 19 n 19 ALA 19 B VAL 20 n 20 VAL 20 B ARG 21 n 21 ARG 21 B GLY 22 n 22 GLY 22 B SER 23 n 23 SER 23 B PRO 24 n 24 PRO 24 B ALA 25 n 25 ALA 25 B ILE 26 n 26 ILE 26 B ASN 27 n 27 ASN 27 B VAL 28 n 28 VAL 28 B ALA 29 n 29 ALA 29 B VAL 30 n 30 VAL 30 B HIS 31 n 31 HIS 31 B VAL 32 n 32 VAL 32 B PHE 33 n 33 PHE 33 B ARG 34 n 34 ARG 34 B LYS 35 n 35 LYS 35 B ALA 36 n 36 ALA 36 B ALA 37 n 37 ALA 37 B ASP 38 n 38 ASP 38 B ASP 39 n 39 ASP 39 B THR 40 n 40 THR 40 B TRP 41 n 41 TRP 41 B GLU 42 n 42 GLU 42 B PRO 43 n 43 PRO 43 B PHE 44 n 44 PHE 44 B ALA 45 n 45 ALA 45 B SER 46 n 46 SER 46 B GLY 47 n 47 GLY 47 B LYS 48 n 48 LYS 48 B THR 49 n 49 THR 49 B SER 50 n 50 SER 50 B GLU 51 n 51 GLU 51 B SER 52 n 52 SER 52 B GLY 53 n 53 GLY 53 B GLU 54 n 54 GLU 54 B LEU 55 n 55 LEU 55 B HIS 56 n 56 HIS 56 B GLY 57 n 57 GLY 57 B LEU 58 n 58 LEU 58 B THR 59 n 59 THR 59 B THR 60 n 60 THR 60 B GLU 61 n 61 GLU 61 B GLU 62 n 62 GLU 62 B GLU 63 n 63 GLU 63 B PHE 64 n 64 PHE 64 B VAL 65 n 65 VAL 65 B GLU 66 n 66 GLU 66 B GLY 67 n 67 GLY 67 B ILE 68 n 68 ILE 68 B TYR 69 n 69 TYR 69 B LYS 70 n 70 LYS 70 B VAL 71 n 71 VAL 71 B GLU 72 n 72 GLU 72 B ILE 73 n 73 ILE 73 B ASP 74 n 74 ASP 74 B THR 75 n 75 THR 75 B LYS 76 n 76 LYS 76 B SER 77 n 77 SER 77 B TYR 78 n 78 TYR 78 B TRP 79 n 79 TRP 79 B LYS 80 n 80 LYS 80 B ALA 81 n 81 ALA 81 B LEU 82 n 82 LEU 82 B GLY 83 n 83 GLY 83 B ILE 84 n 84 ILE 84 B SER 85 n 85 SER 85 B PRO 86 n 86 PRO 86 B PHE 87 n 87 PHE 87 B HIS 88 n 88 HIS 88 B GLU 89 n 89 GLU 89 B HIS 90 n 90 HIS 90 B ALA 91 n 91 ALA 91 B GLU 92 n 92 GLU 92 B VAL 93 n 93 VAL 93 B VAL 94 n 94 VAL 94 B PHE 95 n 95 PHE 95 B THR 96 n 96 THR 96 B ALA 97 n 97 ALA 97 B ASN 98 n 98 ASN 98 B ASP 99 n 99 ASP 99 B SER 100 n 100 SER 100 B GLY 101 n 101 GLY 101 B PRO 102 n 102 PRO 102 B ARG 103 n 103 ARG 103 B ARG 104 n 104 ARG 104 B TYR 105 n 105 TYR 105 B THR 106 n 106 THR 106 B ILE 107 n 107 ILE 107 B ALA 108 n 108 ALA 108 B ALA 109 n 109 ALA 109 B LEU 110 n 110 LEU 110 B LEU 111 n 111 LEU 111 B SER 112 n 112 SER 112 B PRO 113 n 113 PRO 113 B TYR 114 n 114 TYR 114 B SER 115 n 115 SER 115 B TYR 116 n 116 TYR 116 B SER 117 n 117 SER 117 B THR 118 n 118 THR 118 B THR 119 n 119 THR 119 B ALA 120 n 120 ALA 120 B VAL 121 n 121 VAL 121 B VAL 122 n 122 VAL 122 B THR 123 n 123 THR 123 B ASN 124 n 124 ASN 124 B PRO 125 n 125 PRO 125 B LYS 126 n 126 LYS 126 B GLU 127 n 127 GLU 127 B author_and_software_defined_assembly PISA 2 dimeric software_defined_assembly PISA 4 tetrameric 2430 -12 12390 9270 -35 20380 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 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 2_665 -x+1,-y+1,z crystal symmetry operation 43.8000000000 86.2200000000 0.0000000000 A N LEU 55 A N LEU 55 A O VAL 14 A O VAL 14 A O MET 13 A O MET 13 A N ILE 107 A N ILE 107 A O ALA 108 A O ALA 108 A N THR 119 A N THR 119 B N LEU 55 B N LEU 55 B O VAL 14 B O VAL 14 B O MET 13 B O MET 13 B N ILE 107 B N ILE 107 B O ALA 108 B O ALA 108 B N THR 119 B N THR 119 A N GLU 42 A N GLU 42 A O ARG 34 A O ARG 34 A O HIS 31 A O HIS 31 A N GLU 72 A N GLU 72 A O VAL 71 A O VAL 71 A N VAL 93 A N VAL 93 A N GLY 47 A N GLY 47 A O VAL 30 A O VAL 30 A O HIS 31 A O HIS 31 A N GLU 72 A N GLU 72 A O VAL 71 A O VAL 71 A N VAL 93 A N VAL 93 B N GLU 42 B N GLU 42 B O ARG 34 B O ARG 34 B O HIS 31 B O HIS 31 B N GLU 72 B N GLU 72 B O VAL 71 B O VAL 71 B N VAL 93 B N VAL 93 B N GLY 47 B N GLY 47 B O VAL 30 B O VAL 30 B O HIS 31 B O HIS 31 B N GLU 72 B N GLU 72 B O VAL 71 B O VAL 71 B N VAL 93 B N VAL 93 1 A 9CR 131 C 9CR 1 B B C10 O 9CR HOH 130 274 0.32 1 B B C14 O 9CR HOH 130 281 0.96 1 B B C9 O 9CR HOH 130 274 1.21 1 B B C15 O 9CR HOH 130 281 1.24 1 A A O2 O 9CR HOH 131 220 1.26 1 B B C4 O 9CR HOH 130 260 1.29 1 B B C13 O 9CR HOH 130 281 1.50 1 B B C5 O 9CR HOH 130 260 1.52 1 B B C11 O 9CR HOH 130 274 1.59 1 B B C18 O 9CR HOH 130 260 1.84 1 B B O1 O 9CR HOH 130 281 1.89 1 B B C12 O 9CR HOH 130 281 1.98 1 B B OXT O GLU HOH 127 281 2.01 1 B ARG 103 0.165 SIDE CHAIN 1 10.11 1.50 119.30 129.41 A A A C N CA GLY PRO PRO 1 2 2 Y 1 -12.42 1.80 114.00 101.58 A A A CA CB SG CYS CYS CYS 10 10 10 N 1 -5.49 0.90 118.30 112.81 A A A CB CG OD2 ASP ASP ASP 18 18 18 N 1 -5.50 0.70 120.80 115.30 A A A CB CG CD2 PHE PHE PHE 33 33 33 N 1 -12.66 2.10 111.80 99.14 A A A CG CD NE ARG ARG ARG 34 34 34 N 1 5.31 0.50 120.30 125.61 A A A NE CZ NH1 ARG ARG ARG 34 34 34 N 1 -6.83 0.50 120.30 113.47 A A A NE CZ NH2 ARG ARG ARG 34 34 34 N 1 -5.61 0.90 118.30 112.69 A A A CB CG OD2 ASP ASP ASP 38 38 38 N 1 -8.61 0.90 118.30 109.69 A A A CB CG OD2 ASP ASP ASP 39 39 39 N 1 9.35 1.50 110.50 119.85 A A A N CA CB SER SER SER 46 46 46 N 1 -10.82 1.40 112.40 101.58 A A A CA CB CG2 THR THR THR 60 60 60 N 1 -7.49 1.20 103.30 95.81 A A A N CA CB PRO PRO PRO 86 86 86 N 1 5.84 0.50 120.30 126.14 A A A NE CZ NH1 ARG ARG ARG 103 103 103 N 1 -5.32 0.50 120.30 114.98 A A A NE CZ NH2 ARG ARG ARG 103 103 103 N 1 12.15 1.80 110.60 122.75 A A A N CA CB TYR TYR TYR 116 116 116 N 1 -7.00 0.60 121.00 114.00 A A A CB CG CD2 TYR TYR TYR 116 116 116 N 1 -10.84 1.50 110.50 99.66 A A A N CA CB SER SER SER 117 117 117 N 1 -18.62 2.30 110.00 91.38 A A A OG1 CB CG2 THR THR THR 119 119 119 N 1 -14.42 2.10 128.40 113.98 B B B C N CD GLY PRO PRO 1 2 2 Y 1 13.31 2.10 109.00 122.31 B B B CA CB OG1 THR THR THR 3 3 3 N 1 -14.19 1.80 114.00 99.81 B B B CA CB SG CYS CYS CYS 10 10 10 N 1 -5.55 0.90 118.30 112.75 B B B CB CG OD2 ASP ASP ASP 18 18 18 N 1 -4.15 0.50 120.30 116.15 B B B NE CZ NH2 ARG ARG ARG 21 21 21 N 1 8.33 1.20 103.30 111.63 B B B N CA CB PRO PRO PRO 24 24 24 N 1 5.43 0.90 118.30 123.73 B B B CB CG OD1 ASP ASP ASP 38 38 38 N 1 -7.02 0.90 118.30 111.28 B B B CB CG OD2 ASP ASP ASP 38 38 38 N 1 5.64 0.90 118.30 123.94 B B B CB CG OD1 ASP ASP ASP 39 39 39 N 1 -5.99 0.90 118.30 112.31 B B B CB CG OD2 ASP ASP ASP 39 39 39 N 1 -14.00 1.80 110.60 96.60 B B B N CA CB GLU GLU GLU 42 42 42 N 1 9.94 1.50 110.50 120.44 B B B N CA CB SER SER SER 46 46 46 N 1 3.61 0.60 121.00 124.61 B B B CB CG CD2 TYR TYR TYR 78 78 78 N 1 -12.71 2.00 110.40 97.69 B B B CB CA C ASN ASN ASN 98 98 98 N 1 6.37 0.90 118.30 124.67 B B B CB CG OD1 ASP ASP ASP 99 99 99 N 1 4.98 0.50 120.30 125.28 B B B NE CZ NH1 ARG ARG ARG 103 103 103 N 1 -9.44 1.50 110.50 101.06 B B B N CA CB SER SER SER 117 117 117 N 1 -13.93 2.10 109.00 95.07 B B B CA CB OG1 THR THR THR 119 119 119 N 1 A A CD OE2 GLU GLU 7 7 0.073 0.011 1.252 1.325 N 1 A A CD OE1 GLU GLU 42 42 0.086 0.011 1.252 1.338 N 1 A A CD OE2 GLU GLU 61 61 0.072 0.011 1.252 1.324 N 1 A A CD OE2 GLU GLU 62 62 0.074 0.011 1.252 1.326 N 1 A A CD OE2 GLU GLU 66 66 0.073 0.011 1.252 1.325 N 1 A A CD OE1 GLU GLU 89 89 -0.073 0.011 1.252 1.179 N 1 A A CD OE2 GLU GLU 92 92 0.078 0.011 1.252 1.330 N 1 A A CD OE1 GLU GLU 127 127 0.067 0.011 1.252 1.319 N 1 A A C OXT GLU GLU 127 127 4.278 0.019 1.229 5.507 N 1 B B CD OE1 GLU GLU 7 7 0.090 0.011 1.252 1.342 N 1 B B CD OE1 GLU GLU 42 42 0.074 0.011 1.252 1.326 N 1 B B CD OE2 GLU GLU 51 51 0.074 0.011 1.252 1.326 N 1 B B CD OE2 GLU GLU 62 62 0.072 0.011 1.252 1.324 N 1 B B CD OE1 GLU GLU 63 63 0.085 0.011 1.252 1.337 N 1 B B CD OE1 GLU GLU 127 127 0.081 0.011 1.252 1.333 N 1 B B C OXT GLU GLU 127 127 1.509 0.019 1.229 2.738 N 1 B B C17 C18 9CR 9CR 130 130 0.39 1_555 2_665 1 A A C9 C9 9CR 9CR 131 131 0.39 1_555 2_665 1 B B C8 C8 9CR 9CR 130 130 0.46 1_555 2_665 1 B B C2 O 9CR HOH 130 260 0.61 1_555 2_665 1 B B C3 C4 9CR 9CR 130 130 0.71 1_555 2_665 1 A A C1 C18 9CR 9CR 131 131 0.80 1_555 2_665 1 A A C4 C4 9CR 9CR 131 131 0.81 1_555 2_665 1 A A C3 C4 9CR 9CR 131 131 0.84 1_555 2_665 1 A A C10 C19 9CR 9CR 131 131 0.85 1_555 2_665 1 B B C9 C9 9CR 9CR 130 130 0.97 1_555 2_665 1 A A C17 C18 9CR 9CR 131 131 1.09 1_555 2_665 1 A A C9 C10 9CR 9CR 131 131 1.12 1_555 2_665 1 B B C3 O 9CR HOH 130 260 1.19 1_555 2_665 1 B B C19 O 9CR HOH 130 274 1.23 1_555 2_665 1 A A C5 C5 9CR 9CR 131 131 1.25 1_555 2_665 1 A A C5 C6 9CR 9CR 131 131 1.26 1_555 2_665 1 B B C10 C19 9CR 9CR 130 130 1.36 1_555 2_665 1 B B C1 C18 9CR 9CR 130 130 1.37 1_555 2_665 1 B B C1 O 9CR HOH 130 260 1.38 1_555 2_665 1 A A C8 C9 9CR 9CR 131 131 1.41 1_555 2_665 1 B B C3 C3 9CR 9CR 130 130 1.43 1_555 2_665 1 B B C9 C10 9CR 9CR 130 130 1.45 1_555 2_665 1 A A C7 C8 9CR 9CR 131 131 1.51 1_555 2_665 1 B B C7 C8 9CR 9CR 130 130 1.56 1_555 2_665 1 B B C8 C9 9CR 9CR 130 130 1.58 1_555 2_665 1 B B C6 C6 9CR 9CR 130 130 1.58 1_555 2_665 1 A A C6 C6 9CR 9CR 131 131 1.61 1_555 2_665 1 A A C6 C18 9CR 9CR 131 131 1.62 1_555 2_665 1 B B O O HOH HOH 274 274 1.69 1_555 2_665 1 B B C1 C5 9CR 9CR 130 130 1.70 1_555 2_665 1 B B C5 C6 9CR 9CR 130 130 1.74 1_555 2_665 1 B B C4 C4 9CR 9CR 130 130 1.74 1_555 2_665 1 B B C2 C4 9CR 9CR 130 130 1.75 1_555 2_665 1 B B C5 C17 9CR 9CR 130 130 1.82 1_555 2_665 1 A A C4 C5 9CR 9CR 131 131 1.82 1_555 2_665 1 A A C2 C18 9CR 9CR 131 131 1.82 1_555 2_665 1 A A C9 C19 9CR 9CR 131 131 1.90 1_555 2_665 1 A A C1 C5 9CR 9CR 131 131 1.90 1_555 2_665 1 A A C11 C19 9CR 9CR 131 131 1.92 1_555 2_665 1 A A C7 C7 9CR 9CR 131 131 1.94 1_555 2_665 1 A A C10 C10 9CR 9CR 131 131 1.95 1_555 2_665 1 A A C3 C5 9CR 9CR 131 131 1.95 1_555 2_665 1 A A C2 C4 9CR 9CR 131 131 1.98 1_555 2_665 1 B B C3 C5 9CR 9CR 130 130 2.01 1_555 2_665 1 B B C7 C7 9CR 9CR 130 130 2.05 1_555 2_665 1 B B C2 C5 9CR 9CR 130 130 2.12 1_555 2_665 1 B B C5 C5 9CR 9CR 130 130 2.12 1_555 2_665 1 B B C2 C18 9CR 9CR 130 130 2.17 1_555 2_665 1 B B C9 C19 9CR 9CR 130 130 2.18 1_555 2_665 1 A A C19 C20 9CR 9CR 131 131 2.18 1_555 2_665 1 A PRO 2 -23.70 176.63 1 A LYS 9 -159.18 29.54 1 A CYS 10 39.39 84.80 1 A ASP 38 -82.56 38.91 1 A HIS 90 -170.50 -179.95 1 A PRO 125 -54.32 -174.23 1 A LYS 126 130.73 147.97 1 B PRO 2 -114.66 -151.97 1 B THR 3 -175.23 -157.67 1 B THR 5 -61.54 53.74 1 B SER 8 -130.88 -137.53 1 B CYS 10 67.77 74.02 1 B PHE 44 -127.27 -51.00 1 B PRO 125 -84.70 -156.72 THE ENTRY CONTAINS RETINOIC ACID MOLECULES IN BOTH BINDING SITES. THE OCCUPANCIES OF SITES WERE NOT REFINED, SINCE THE ELECTRON DENSITY REFLECTS THE PRESENCE OF THE CRYSTALLOGRAPHIC TWO-FOLD AXIS. IN THE FUNCTIONAL TETRAMER THE RETINOIC ACID MOLECULES ARE DISORDERED DUE TO THE CRYSTALLOGRAPHIC TWO-FOLD RUNNING THROUGH THE BINDING SITE. RESIDUES 1 - 9 OF BOTH CHAINS, AS WELL AS 126 - 127 OF CHAIN B, ARE ILL-DEFINED IN THE ELECTRON DENSITY. THEY HAVE BEEN INCLUDED, BUT THE TEMPERATURE FACTORS ARE VERY HIGH. 0.196 1.8 9.0 20172 85. 1 0.0 1.8 9.0 97 2085 44 0 1944 0.016 3.8 19.6 0.001 1TYR 0.07 1 3. refinement TNT data reduction SAINT TRANSTHYRETIN, RETINOIC ACID TRANSTHYRETIN COMPLEX WITH RETINOIC ACID 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N THE ENTIRE PROTEIN IS A TETRAMER, BUT THE ASYMMETRIC UNIT CONTAINS A DIMER. THE TWO DIMERS ARE RELATED BY A TWO FODL AXIS, WHILST THE TWO INDEPENDENT MONOMERS IN THE DIMER ARE RELATED BY A PSEUDO TWO-FOLD AXIS. THE LIGAND IS BOUND IN THE INTERNAL CHANNEL, MADE UP BY THE TWO INDEPENDENT MONOMERS. A CRYSTALLOGRAPHIC TWO-FOLD AXIS RUNS THROUGH THE CHANNEL, MAKING IT SYMMETRIC. MOREOVER, PERPENDICULAR TO THE PREVIOUS ONE, THERE IS THE PSEUDO TWO-FOLD, WHICH MAKES THE TWO HALFS OF THE CHANNEL NEARLY IDENTICAL. AS A RESULT OF ALL THAT, TWO INDEPENDENT BINDING SITES ARE PRESENT PER TERAMER, BUT, SINCE THE LIGAND IN THIS CASE DOES NOT PRESENT ANY SYMMETRY, EACH LIGAND IN THE CRYSTAL APPEARS TO BE SUPERIMPOSED TO ITS SYMMETRY-RELATED. IN CONCLUSION, FOUR RETINOIC ACID BOUND MOLECULES ARE SEEN, EACH PAIRS SUPERIMPOSED. IN ADDITION, SOLUTION DATA STRONGLY SUGGEST THAT ONLY ONE LIGAND MOLECULE IS BOUND TO A TTR TETRAMER. IN CONCLUSION, THE COORDINATES OF TWO 9CR MOLECULES ARE GIVEN, WHICH APPLYING THE CRYSTALLOGRAPHIC SYMMETRY, BECOMES FOUR, BUT ONLY ONE MUST BE CONSIDERED STATISTICALLY PRESENT IN THE TETRAMER. A THR 75 A THR 75 HELX_P A GLY 83 A GLY 83 1 AA 9 B THR 75 B THR 75 HELX_P B GLY 83 B GLY 83 1 AB 9 covale 2.031 B GLU 127 B OXT GLU 127 1_555 B 9CR 130 D O1 9CR 1_555 RETINOL-BINDING RETINOL-BINDING PROTEIN, RETINOL-BINDING TTHY_HUMAN UNP 1 1 P02766 MASHRLLLLCLAGLVFVSEAGPTGTGESKCPLMVKVLDAVRGSPAINVAVHVFRKAADDTWEPFASGKTSESGELHGLTT EEEFVEGIYKVEIDTKSYWKALGISPFHEHAEVVFTANDSGPRRYTIAALLSPYSYSTTAVVTNPKE 21 147 1TYR 1 127 P02766 A 1 1 127 21 147 1TYR 1 127 P02766 B 1 1 127 4 4 4 4 4 4 anti-parallel parallel anti-parallel anti-parallel parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLY 53 A GLY 53 A LEU 55 A LEU 55 A PRO 11 A PRO 11 A ALA 19 A ALA 19 A TYR 105 A TYR 105 A SER 112 A SER 112 A TYR 114 A TYR 114 A VAL 121 A VAL 121 B GLY 53 B GLY 53 B LEU 55 B LEU 55 B PRO 11 B PRO 11 B ALA 19 B ALA 19 B TYR 105 B TYR 105 B SER 112 B SER 112 B TYR 114 B TYR 114 B VAL 121 B VAL 121 A GLU 42 A GLU 42 A GLU 42 A GLU 42 A VAL 28 A VAL 28 A LYS 35 A LYS 35 A GLY 67 A GLY 67 A ASP 74 A ASP 74 A ALA 91 A ALA 91 A ALA 97 A ALA 97 A ALA 45 A ALA 45 A THR 49 A THR 49 A VAL 28 A VAL 28 A LYS 35 A LYS 35 A GLY 67 A GLY 67 A ASP 74 A ASP 74 A ALA 91 A ALA 91 A ALA 97 A ALA 97 B GLU 42 B GLU 42 B GLU 42 B GLU 42 B VAL 28 B VAL 28 B LYS 35 B LYS 35 B GLY 67 B GLY 67 B ASP 74 B ASP 74 B ALA 91 B ALA 91 B ALA 97 B ALA 97 B ALA 45 B ALA 45 B THR 49 B THR 49 B VAL 28 B VAL 28 B LYS 35 B LYS 35 B GLY 67 B GLY 67 B ASP 74 B ASP 74 B ALA 91 B ALA 91 B ALA 97 B ALA 97 Unknown 13 Unknown 13 BINDING SITE FOR RESIDUE 9CR B 130 Software 14 BINDING SITE FOR RESIDUE 9CR A 131 Software 14 A LYS 15 A LYS 15 13 1_555 A VAL 16 A VAL 16 13 1_555 A LEU 17 A LEU 17 13 1_555 A THR 106 A THR 106 13 1_555 A ILE 107 A ILE 107 13 1_555 A ALA 108 A ALA 108 13 1_555 A ALA 109 A ALA 109 13 1_555 A LEU 110 A LEU 110 13 1_555 A SER 117 A SER 117 13 1_555 A THR 118 A THR 118 13 1_555 A THR 119 A THR 119 13 1_555 A ALA 120 A ALA 120 13 1_555 A VAL 121 A VAL 121 13 1_555 B LYS 15 B LYS 15 13 1_555 B VAL 16 B VAL 16 13 1_555 B LEU 17 B LEU 17 13 1_555 B THR 106 B THR 106 13 1_555 B ILE 107 B ILE 107 13 1_555 B ALA 108 B ALA 108 13 1_555 B ALA 109 B ALA 109 13 1_555 B LEU 110 B LEU 110 13 1_555 B SER 117 B SER 117 13 1_555 B THR 118 B THR 118 13 1_555 B THR 119 B THR 119 13 1_555 B ALA 120 B ALA 120 13 1_555 B VAL 121 B VAL 121 13 1_555 B LYS 15 B LYS 15 14 2_665 B LEU 17 B LEU 17 14 1_555 B LEU 17 B LEU 17 14 2_665 B ALA 108 B ALA 108 14 2_665 B LEU 110 B LEU 110 14 1_555 B SER 117 B SER 117 14 2_665 B THR 119 B THR 119 14 2_665 B VAL 121 B VAL 121 14 1_555 B GLU 127 B GLU 127 14 1_555 B HOH 260 F HOH 14 2_665 B HOH 260 F HOH 14 1_555 B HOH 274 F HOH 14 2_665 B HOH 274 F HOH 14 1_555 B HOH 281 F HOH 14 1_555 A LYS 15 A LYS 15 14 1_555 A LEU 17 A LEU 17 14 2_665 A LEU 17 A LEU 17 14 1_555 A THR 106 A THR 106 14 2_665 A ALA 108 A ALA 108 14 2_665 A ALA 108 A ALA 108 14 1_555 A ALA 109 A ALA 109 14 1_555 A LEU 110 A LEU 110 14 1_555 A LEU 110 A LEU 110 14 2_665 A SER 117 A SER 117 14 1_555 A SER 117 A SER 117 14 2_665 A THR 119 A THR 119 14 1_555 A VAL 121 A VAL 121 14 2_665 A HOH 220 E HOH 14 1_555 18 P 21 21 2