0.018504 0.000000 0.000000 0.000000 0.010732 0.000000 0.000000 0.000000 0.009484 0.00000 0.00000 0.00000 2.3100 1.0200 1.5886 0.8650 20.8439 10.2075 0.5687 51.6512 0.2156 11.4604 7.1964 6.2556 1.6455 0.0104 1.1662 18.5194 47.7784 -9.3663 0.2599 0.1911 0.4930 0.3229 0.1402 0.0408 10.5109 26.1257 3.1424 57.7997 0.0030 12.2126 3.1322 2.0125 1.1663 0.0057 9.8933 28.9975 0.5826 -11.5290 3.0485 2.2868 1.5463 0.8670 13.2771 5.7011 0.3239 32.9089 0.2508 6.9053 5.2034 1.4379 1.5863 1.4679 22.2151 0.2536 56.1720 1.0297 0.2033 0.1628 17.0006 5.8196 3.9731 4.3543 2.4098 0.2726 15.2372 43.8163 1.0272 3.3514 -1.8137 Joint Center for Structural Genomics (JCSG) http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.000 90.000 90.000 54.041 93.178 105.443 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 Cl -1 35.453 CHLORIDE ION non-polymer 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 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 Se 196.106 n SELENOMETHIONINE 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 To be published 0353 Crystal structure of the apo form of a 3alpha-hydroxysteroid dehydrogenase (BaiA2) associated with secondary bile acid synthesis from Clostridium scindens VPI12708 at 1.90 A resolution 10.2210/pdb4is2/pdb pdb_00004is2 100 1 double crystal monochromator CCD 2010-05-13 MARMOSAIC 325 mm CCD double crystal MAD M x-ray 1 0.91162 1.0 0.97934 1.0 0.97915 1.0 BL9-2 SSRL 0.91162, 0.97934, 0.97915 SYNCHROTRON SSRL BEAMLINE BL9-2 29344.883 Bile acid 3-alpha hydroxysteroid dehydrogenase 1 man polymer 35.453 CHLORIDE ION 1 syn non-polymer 18.015 water 101 nat water no yes (MSE)GSDKIHHHHHHENLYFQG(MSE)NLVQDKVTIITGGTRGIGFAAAKIFIDNGAKVSIFGETQEEVDTALAQLKEL YPEEEVLGFAPDLTSRDAV(MSE)AAVGQVAQKYGRLDV(MSE)INNAGITSNNVFSRVSEEEFKHI(MSE)DINVTGVF NGAWCAYQC(MSE)KDAKKGVIINTASVTGIFGSLSGVGYPASKASVIGLTHGLGREIIRKNIRVVGVAPGVVNTD (MSE)TNGNPPEI(MSE)EGYLKALP(MSE)KR(MSE)LEPEEIANVYLFLASDLASGITATTVSVDGAYRP MGSDKIHHHHHHENLYFQGMNLVQDKVTIITGGTRGIGFAAAKIFIDNGAKVSIFGETQEEVDTALAQLKELYPEEEVLG FAPDLTSRDAVMAAVGQVAQKYGRLDVMINNAGITSNNVFSRVSEEEFKHIMDINVTGVFNGAWCAYQCMKDAKKGVIIN TASVTGIFGSLSGVGYPASKASVIGLTHGLGREIIRKNIRVVGVAPGVVNTDMTNGNPPEIMEGYLKALPMKRMLEPEEI ANVYLFLASDLASGITATTVSVDGAYRP A JCSG-420767 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n VPI 12708 sample The source organism was previously designated Eubacterium sp. (strain VPI 12708). baiA, BAIA2 29347 Clostridium scindens 562 Escherichia Coli HK100 Plasmid SpeedET 1 2.26 45.62 VAPOR DIFFUSION, SITTING DROP 4.5 0.1M sodium acetate pH 4.5, 2.5M sodium chloride, 0.2M lithium sulfate, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 293K 293 Joint Center for Structural Genomics JCSG PSI:Biology software citation_author database_2 struct_conn struct_ref_seq_dif struct_site repository Initial release Structure summary Refinement description Database references Database references Derived calculations 1 0 2013-04-03 1 1 2013-09-04 1 2 2017-11-15 1 3 2018-01-24 1 4 2023-02-01 _software.classification _software.name _citation_author.name _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id Holoenzyme form of BaiA2 (a 3alpha-hydroxysteroid dehydrogenase ssociated with secondary bile acid synthesis from Clostridium scindens VPI12708) in complex with a putative NAD(+)OH- adduct at 2.0 A resolution Y RCSB Y RCSB 2013-01-16 REL REL CL CHLORIDE ION HOH water THIS CONSTRUCT (RESIDUES 1-249) WAS EXPRESSED WITH AN N-TERMINAL PURIFICATION TAG MGSDKIHHHHHHENLYFQG. CL 250 2 CL CL 301 A HOH 251 3 HOH HOH 401 A HOH 252 3 HOH HOH 402 A HOH 253 3 HOH HOH 403 A HOH 254 3 HOH HOH 404 A HOH 255 3 HOH HOH 405 A HOH 256 3 HOH HOH 406 A HOH 257 3 HOH HOH 407 A HOH 258 3 HOH HOH 408 A HOH 259 3 HOH HOH 409 A HOH 260 3 HOH HOH 410 A HOH 261 3 HOH HOH 411 A HOH 262 3 HOH HOH 412 A HOH 263 3 HOH HOH 413 A HOH 264 3 HOH HOH 414 A HOH 265 3 HOH HOH 415 A HOH 266 3 HOH HOH 416 A HOH 267 3 HOH HOH 417 A HOH 268 3 HOH HOH 418 A HOH 269 3 HOH HOH 419 A HOH 270 3 HOH HOH 420 A HOH 271 3 HOH HOH 421 A HOH 272 3 HOH HOH 422 A HOH 273 3 HOH HOH 423 A HOH 274 3 HOH HOH 424 A HOH 275 3 HOH HOH 425 A HOH 276 3 HOH HOH 426 A HOH 277 3 HOH HOH 427 A HOH 278 3 HOH HOH 428 A HOH 279 3 HOH HOH 429 A HOH 280 3 HOH HOH 430 A HOH 281 3 HOH HOH 431 A HOH 282 3 HOH HOH 432 A HOH 283 3 HOH HOH 433 A HOH 284 3 HOH HOH 434 A HOH 285 3 HOH HOH 435 A HOH 286 3 HOH HOH 436 A HOH 287 3 HOH HOH 437 A HOH 288 3 HOH HOH 438 A HOH 289 3 HOH HOH 439 A HOH 290 3 HOH HOH 440 A HOH 291 3 HOH HOH 441 A HOH 292 3 HOH HOH 442 A HOH 293 3 HOH HOH 443 A HOH 294 3 HOH HOH 444 A HOH 295 3 HOH HOH 445 A HOH 296 3 HOH HOH 446 A HOH 297 3 HOH HOH 447 A HOH 298 3 HOH HOH 448 A HOH 299 3 HOH HOH 449 A HOH 300 3 HOH HOH 450 A HOH 301 3 HOH HOH 451 A HOH 302 3 HOH HOH 452 A HOH 303 3 HOH HOH 453 A HOH 304 3 HOH HOH 454 A HOH 305 3 HOH HOH 455 A HOH 306 3 HOH HOH 456 A HOH 307 3 HOH HOH 457 A HOH 308 3 HOH HOH 458 A HOH 309 3 HOH HOH 459 A HOH 310 3 HOH HOH 460 A HOH 311 3 HOH HOH 461 A HOH 312 3 HOH HOH 462 A HOH 313 3 HOH HOH 463 A HOH 314 3 HOH HOH 464 A HOH 315 3 HOH HOH 465 A HOH 316 3 HOH HOH 466 A HOH 317 3 HOH HOH 467 A HOH 318 3 HOH HOH 468 A HOH 319 3 HOH HOH 469 A HOH 320 3 HOH HOH 470 A HOH 321 3 HOH HOH 471 A HOH 322 3 HOH HOH 472 A HOH 323 3 HOH HOH 473 A HOH 324 3 HOH HOH 474 A HOH 325 3 HOH HOH 475 A HOH 326 3 HOH HOH 476 A HOH 327 3 HOH HOH 477 A HOH 328 3 HOH HOH 478 A HOH 329 3 HOH HOH 479 A HOH 330 3 HOH HOH 480 A HOH 331 3 HOH HOH 481 A HOH 332 3 HOH HOH 482 A HOH 333 3 HOH HOH 483 A HOH 334 3 HOH HOH 484 A HOH 335 3 HOH HOH 485 A HOH 336 3 HOH HOH 486 A HOH 337 3 HOH HOH 487 A HOH 338 3 HOH HOH 488 A HOH 339 3 HOH HOH 489 A HOH 340 3 HOH HOH 490 A HOH 341 3 HOH HOH 491 A HOH 342 3 HOH HOH 492 A HOH 343 3 HOH HOH 493 A HOH 344 3 HOH HOH 494 A HOH 345 3 HOH HOH 495 A HOH 346 3 HOH HOH 496 A HOH 347 3 HOH HOH 497 A HOH 348 3 HOH HOH 498 A HOH 349 3 HOH HOH 499 A HOH 350 3 HOH HOH 500 A HOH 351 3 HOH HOH 501 A n 1 -18 A n 2 -17 A n 3 -16 A n 4 -15 A n 5 -14 A n 6 -13 A n 7 -12 A n 8 -11 A n 9 -10 A n 10 -9 A n 11 -8 A n 12 -7 A n 13 -6 A n 14 -5 A n 15 -4 A n 16 -3 A n 17 -2 A n 18 -1 A n 19 0 A MSE 1 n 20 MSE 1 A ASN 2 n 21 ASN 2 A LEU 3 n 22 LEU 3 A VAL 4 n 23 VAL 4 A GLN 5 n 24 GLN 5 A ASP 6 n 25 ASP 6 A LYS 7 n 26 LYS 7 A VAL 8 n 27 VAL 8 A THR 9 n 28 THR 9 A ILE 10 n 29 ILE 10 A ILE 11 n 30 ILE 11 A THR 12 n 31 THR 12 A GLY 13 n 32 GLY 13 A GLY 14 n 33 GLY 14 A THR 15 n 34 THR 15 A ARG 16 n 35 ARG 16 A GLY 17 n 36 GLY 17 A ILE 18 n 37 ILE 18 A GLY 19 n 38 GLY 19 A PHE 20 n 39 PHE 20 A ALA 21 n 40 ALA 21 A ALA 22 n 41 ALA 22 A ALA 23 n 42 ALA 23 A LYS 24 n 43 LYS 24 A ILE 25 n 44 ILE 25 A PHE 26 n 45 PHE 26 A ILE 27 n 46 ILE 27 A ASP 28 n 47 ASP 28 A ASN 29 n 48 ASN 29 A GLY 30 n 49 GLY 30 A ALA 31 n 50 ALA 31 A LYS 32 n 51 LYS 32 A VAL 33 n 52 VAL 33 A SER 34 n 53 SER 34 A ILE 35 n 54 ILE 35 A PHE 36 n 55 PHE 36 A GLY 37 n 56 GLY 37 A GLU 38 n 57 GLU 38 A THR 39 n 58 THR 39 A GLN 40 n 59 GLN 40 A GLU 41 n 60 GLU 41 A GLU 42 n 61 GLU 42 A VAL 43 n 62 VAL 43 A ASP 44 n 63 ASP 44 A THR 45 n 64 THR 45 A ALA 46 n 65 ALA 46 A LEU 47 n 66 LEU 47 A ALA 48 n 67 ALA 48 A GLN 49 n 68 GLN 49 A LEU 50 n 69 LEU 50 A LYS 51 n 70 LYS 51 A GLU 52 n 71 GLU 52 A LEU 53 n 72 LEU 53 A TYR 54 n 73 TYR 54 A PRO 55 n 74 PRO 55 A GLU 56 n 75 GLU 56 A GLU 57 n 76 GLU 57 A GLU 58 n 77 GLU 58 A VAL 59 n 78 VAL 59 A LEU 60 n 79 LEU 60 A GLY 61 n 80 GLY 61 A PHE 62 n 81 PHE 62 A ALA 63 n 82 ALA 63 A PRO 64 n 83 PRO 64 A ASP 65 n 84 ASP 65 A LEU 66 n 85 LEU 66 A THR 67 n 86 THR 67 A SER 68 n 87 SER 68 A ARG 69 n 88 ARG 69 A ASP 70 n 89 ASP 70 A ALA 71 n 90 ALA 71 A VAL 72 n 91 VAL 72 A MSE 73 n 92 MSE 73 A ALA 74 n 93 ALA 74 A ALA 75 n 94 ALA 75 A VAL 76 n 95 VAL 76 A GLY 77 n 96 GLY 77 A GLN 78 n 97 GLN 78 A VAL 79 n 98 VAL 79 A ALA 80 n 99 ALA 80 A GLN 81 n 100 GLN 81 A LYS 82 n 101 LYS 82 A TYR 83 n 102 TYR 83 A GLY 84 n 103 GLY 84 A ARG 85 n 104 ARG 85 A LEU 86 n 105 LEU 86 A ASP 87 n 106 ASP 87 A VAL 88 n 107 VAL 88 A MSE 89 n 108 MSE 89 A ILE 90 n 109 ILE 90 A ASN 91 n 110 ASN 91 A ASN 92 n 111 ASN 92 A ALA 93 n 112 ALA 93 A GLY 94 n 113 GLY 94 A ILE 95 n 114 ILE 95 A THR 96 n 115 THR 96 A SER 97 n 116 SER 97 A ASN 98 n 117 ASN 98 A ASN 99 n 118 ASN 99 A VAL 100 n 119 VAL 100 A PHE 101 n 120 PHE 101 A SER 102 n 121 SER 102 A ARG 103 n 122 ARG 103 A VAL 104 n 123 VAL 104 A SER 105 n 124 SER 105 A GLU 106 n 125 GLU 106 A GLU 107 n 126 GLU 107 A GLU 108 n 127 GLU 108 A PHE 109 n 128 PHE 109 A LYS 110 n 129 LYS 110 A HIS 111 n 130 HIS 111 A ILE 112 n 131 ILE 112 A MSE 113 n 132 MSE 113 A ASP 114 n 133 ASP 114 A ILE 115 n 134 ILE 115 A ASN 116 n 135 ASN 116 A VAL 117 n 136 VAL 117 A THR 118 n 137 THR 118 A GLY 119 n 138 GLY 119 A VAL 120 n 139 VAL 120 A PHE 121 n 140 PHE 121 A ASN 122 n 141 ASN 122 A GLY 123 n 142 GLY 123 A ALA 124 n 143 ALA 124 A TRP 125 n 144 TRP 125 A CYS 126 n 145 CYS 126 A ALA 127 n 146 ALA 127 A TYR 128 n 147 TYR 128 A GLN 129 n 148 GLN 129 A CYS 130 n 149 CYS 130 A MSE 131 n 150 MSE 131 A LYS 132 n 151 LYS 132 A ASP 133 n 152 ASP 133 A ALA 134 n 153 ALA 134 A LYS 135 n 154 LYS 135 A LYS 136 n 155 LYS 136 A GLY 137 n 156 GLY 137 A VAL 138 n 157 VAL 138 A ILE 139 n 158 ILE 139 A ILE 140 n 159 ILE 140 A ASN 141 n 160 ASN 141 A THR 142 n 161 THR 142 A ALA 143 n 162 ALA 143 A SER 144 n 163 SER 144 A VAL 145 n 164 VAL 145 A THR 146 n 165 THR 146 A GLY 147 n 166 GLY 147 A ILE 148 n 167 ILE 148 A PHE 149 n 168 PHE 149 A n 169 150 A n 170 151 A n 171 152 A n 172 153 A n 173 154 A n 174 155 A n 175 156 A n 176 157 A PRO 158 n 177 PRO 158 A ALA 159 n 178 ALA 159 A SER 160 n 179 SER 160 A LYS 161 n 180 LYS 161 A ALA 162 n 181 ALA 162 A SER 163 n 182 SER 163 A VAL 164 n 183 VAL 164 A ILE 165 n 184 ILE 165 A GLY 166 n 185 GLY 166 A LEU 167 n 186 LEU 167 A THR 168 n 187 THR 168 A HIS 169 n 188 HIS 169 A GLY 170 n 189 GLY 170 A LEU 171 n 190 LEU 171 A GLY 172 n 191 GLY 172 A ARG 173 n 192 ARG 173 A GLU 174 n 193 GLU 174 A ILE 175 n 194 ILE 175 A ILE 176 n 195 ILE 176 A ARG 177 n 196 ARG 177 A LYS 178 n 197 LYS 178 A ASN 179 n 198 ASN 179 A ILE 180 n 199 ILE 180 A ARG 181 n 200 ARG 181 A VAL 182 n 201 VAL 182 A VAL 183 n 202 VAL 183 A GLY 184 n 203 GLY 184 A VAL 185 n 204 VAL 185 A ALA 186 n 205 ALA 186 A PRO 187 n 206 PRO 187 A GLY 188 n 207 GLY 188 A VAL 189 n 208 VAL 189 A VAL 190 n 209 VAL 190 A ASN 191 n 210 ASN 191 A THR 192 n 211 THR 192 A n 212 193 A n 213 194 A n 214 195 A n 215 196 A n 216 197 A n 217 198 A n 218 199 A n 219 200 A n 220 201 A n 221 202 A n 222 203 A n 223 204 A n 224 205 A n 225 206 A n 226 207 A n 227 208 A n 228 209 A n 229 210 A n 230 211 A n 231 212 A n 232 213 A n 233 214 A MSE 215 n 234 MSE 215 A LEU 216 n 235 LEU 216 A GLU 217 n 236 GLU 217 A PRO 218 n 237 PRO 218 A GLU 219 n 238 GLU 219 A GLU 220 n 239 GLU 220 A ILE 221 n 240 ILE 221 A ALA 222 n 241 ALA 222 A ASN 223 n 242 ASN 223 A VAL 224 n 243 VAL 224 A TYR 225 n 244 TYR 225 A LEU 226 n 245 LEU 226 A PHE 227 n 246 PHE 227 A LEU 228 n 247 LEU 228 A ALA 229 n 248 ALA 229 A SER 230 n 249 SER 230 A ASP 231 n 250 ASP 231 A LEU 232 n 251 LEU 232 A ALA 233 n 252 ALA 233 A SER 234 n 253 SER 234 A GLY 235 n 254 GLY 235 A ILE 236 n 255 ILE 236 A THR 237 n 256 THR 237 A ALA 238 n 257 ALA 238 A THR 239 n 258 THR 239 A THR 240 n 259 THR 240 A VAL 241 n 260 VAL 241 A SER 242 n 261 SER 242 A VAL 243 n 262 VAL 243 A ASP 244 n 263 ASP 244 A GLY 245 n 264 GLY 245 A n 265 246 A n 266 247 A n 267 248 A n 268 249 A 1.1577 0.1051 0.1795 1.1567 -0.2648 1.2810 0.0090 0.0973 -0.0998 -0.0305 -0.0357 -0.0844 0.0582 0.0771 0.0268 0.0714 0.0001 0.0056 0.0788 -0.0148 0.0896 refined 27.1884 63.2670 68.8789 X-RAY DIFFRACTION A 1 A 245 X-RAY DIFFRACTION 1 author_and_software_defined_assembly PISA 4 tetrameric 9140 -106 31000 A MSE 1 SELENOMETHIONINE A MSE 20 MET A MSE 73 SELENOMETHIONINE A MSE 92 MET A MSE 89 SELENOMETHIONINE A MSE 108 MET A MSE 113 SELENOMETHIONINE A MSE 132 MET A MSE 131 SELENOMETHIONINE A MSE 150 MET A MSE 215 SELENOMETHIONINE A MSE 234 MET 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 54.0410000000 93.1780000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 3_656 -x+1,y,-z+1 crystal symmetry operation 54.0410000000 0.0000000000 105.4430000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 4_566 x,-y+1,-z+1 crystal symmetry operation 0.0000000000 93.1780000000 105.4430000000 A O LEU 60 A O LEU 79 A N ILE 35 A N ILE 54 A O LYS 32 A O LYS 51 A N THR 9 A N THR 28 A N ILE 10 A N ILE 29 A O ILE 90 A O ILE 109 A N ASN 91 A N ASN 110 A O ILE 140 A O ILE 159 A N ILE 139 A N ILE 158 A O ARG 181 A O ARG 200 A N GLY 184 A N GLY 203 A O VAL 241 A O VAL 260 1 A CG LYS 135 A CG LYS 154 1 Y 1 A CD LYS 135 A CD LYS 154 1 Y 1 A CE LYS 135 A CE LYS 154 1 Y 1 A NZ LYS 135 A NZ LYS 154 1 Y 1 A N PRO 158 A N PRO 177 1 Y 1 A CB PRO 158 A CB PRO 177 1 Y 1 A CG PRO 158 A CG PRO 177 1 Y 1 A CD PRO 158 A CD PRO 177 1 Y 1 A C GLY 245 A C GLY 264 1 Y 1 A O GLY 245 A O GLY 264 1 Y 1 A MSE -18 A MSE 1 1 Y 1 A GLY -17 A GLY 2 1 Y 1 A SER -16 A SER 3 1 Y 1 A ASP -15 A ASP 4 1 Y 1 A LYS -14 A LYS 5 1 Y 1 A ILE -13 A ILE 6 1 Y 1 A HIS -12 A HIS 7 1 Y 1 A HIS -11 A HIS 8 1 Y 1 A HIS -10 A HIS 9 1 Y 1 A HIS -9 A HIS 10 1 Y 1 A HIS -8 A HIS 11 1 Y 1 A HIS -7 A HIS 12 1 Y 1 A GLU -6 A GLU 13 1 Y 1 A ASN -5 A ASN 14 1 Y 1 A LEU -4 A LEU 15 1 Y 1 A TYR -3 A TYR 16 1 Y 1 A PHE -2 A PHE 17 1 Y 1 A GLN -1 A GLN 18 1 Y 1 A GLY 0 A GLY 19 1 Y 1 A GLY 150 A GLY 169 1 Y 1 A SER 151 A SER 170 1 Y 1 A LEU 152 A LEU 171 1 Y 1 A SER 153 A SER 172 1 Y 1 A GLY 154 A GLY 173 1 Y 1 A VAL 155 A VAL 174 1 Y 1 A GLY 156 A GLY 175 1 Y 1 A TYR 157 A TYR 176 1 Y 1 A ASP 193 A ASP 212 1 Y 1 A MSE 194 A MSE 213 1 Y 1 A THR 195 A THR 214 1 Y 1 A ASN 196 A ASN 215 1 Y 1 A GLY 197 A GLY 216 1 Y 1 A ASN 198 A ASN 217 1 Y 1 A PRO 199 A PRO 218 1 Y 1 A PRO 200 A PRO 219 1 Y 1 A GLU 201 A GLU 220 1 Y 1 A ILE 202 A ILE 221 1 Y 1 A MSE 203 A MSE 222 1 Y 1 A GLU 204 A GLU 223 1 Y 1 A GLY 205 A GLY 224 1 Y 1 A TYR 206 A TYR 225 1 Y 1 A LEU 207 A LEU 226 1 Y 1 A LYS 208 A LYS 227 1 Y 1 A ALA 209 A ALA 228 1 Y 1 A LEU 210 A LEU 229 1 Y 1 A PRO 211 A PRO 230 1 Y 1 A MSE 212 A MSE 231 1 Y 1 A LYS 213 A LYS 232 1 Y 1 A ARG 214 A ARG 233 1 Y 1 A ALA 246 A ALA 265 1 Y 1 A TYR 247 A TYR 266 1 Y 1 A ARG 248 A ARG 267 1 Y 1 A PRO 249 A PRO 268 1 Y 1 A A OE1 O GLU HOH 108 445 2.17 B 1 A PHE 101 -27.02 -60.79 132.190 44.9133 21.460 -0.8700 -0.0000 0.0000 2.6400 0.0000 -1.7700 0.9730 0.9630 1. HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. 2. A MET-INHIBITION PROTOCOL WAS USED FOR SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET INCORPORATION. 3. CHLORIDE (CL) FROM THE CRYSTALLIZATION SOLUTION HAS BEEN MODELED INTO THE STRUCTURE. 4. ATOM RECORD CONTAINS SUM OF TLS AND RESIDUAL B FACTORS. ANISOU RECORD CONTAINS SUM OF TLS AND RESIDUAL U FACTORS. 5. WATERS WERE EXCLUDED FROM AUTOMATIC TLS ASSIGNMENT. 6. THE SCATTERING FACTORS FOR SULFUR, CHLORINE AND SELENIUM ATOMS WERE ADJUSTED BY REFMAC 5.7.0032 TO ACCOUNT FOR ANOMALOUS DISPERSION BASED ON THE WAVELENGTH 0.91162 A (S f'= 0.16, Cl f'= 0.19, Se f'= -1.81). THE CROMER MANN c VALUES LISTED IN THE CIF VERSION OF THE FILE INCLUDE THIS CORRECTION. 0.1873 0.1616 0.1629 1.9000 29.794 1097 20248 21345 5.1000 99.6300 1.000 0.250 5.4630 0.0760 RANDOM 1 THROUGHOUT 0.000 MAD 0.1140 0.1070 0.8000 0.8000 1.2000 MAXIMUM LIKELIHOOD WITH PHASES BABINET MODEL WITH MASK 1.9000 29.794 101 1694 1 0 1592 0.011 0.019 1686 0.001 0.020 1671 1.404 1.971 2297 0.729 3.000 3845 5.483 5.000 236 39.260 25.072 69 14.245 15.000 277 14.652 15.000 9 0.070 0.200 278 0.005 0.020 1946 0.001 0.020 367 4.167 5.938 878 4.165 5.941 879 5.652 11.000 1099 5.983 7.094 808 0.2960 0.2910 1.9490 71 1495 1566 20 99.8100 1.90 29.794 4IS2 21347 21347 0.037 0.074 0.063 1 7.675 9.900 78306 3.700 99.900 0.887 0.758 1.900 1.950 1.7 5806 1573 0.452 0.887 0.758 1 1.7 3.7 100.0 0.708 0.606 1.950 2.000 2.0 5592 1505 0.359 0.708 0.606 1 2.0 3.7 100.0 0.535 0.457 2.000 2.060 2.7 5423 1479 0.272 0.535 0.457 1 2.7 3.7 100.0 0.365 0.312 2.060 2.120 3.6 5269 1432 0.186 0.365 0.312 1 3.6 3.7 100.0 0.298 0.255 2.120 2.190 4.4 5170 1409 0.152 0.298 0.255 1 4.4 3.7 100.0 0.237 0.203 2.190 2.270 5.3 5020 1358 0.120 0.237 0.203 1 5.2 3.7 100.0 0.194 0.166 2.270 2.360 6.1 4846 1308 0.099 0.194 0.166 1 6.1 3.7 100.0 0.155 0.133 2.360 2.450 7.2 4644 1261 0.078 0.155 0.133 1 7.2 3.7 100.0 0.136 0.117 2.450 2.560 8.5 4424 1199 0.068 0.136 0.117 1 8.5 3.7 100.0 0.119 0.102 2.560 2.690 10.3 4304 1167 0.059 0.119 0.102 1 10.3 3.7 100.0 0.108 0.093 2.690 2.830 11.4 4032 1097 0.054 0.108 0.093 1 11.4 3.7 100.0 0.091 0.079 2.830 3.000 14.0 3870 1049 0.045 0.091 0.079 1 14.0 3.7 100.0 0.079 0.067 3.000 3.210 15.9 3560 975 0.040 0.079 0.067 1 15.9 3.7 100.0 0.065 0.056 3.210 3.470 19.0 3403 928 0.032 0.065 0.056 1 19.0 3.7 99.9 0.052 0.045 3.470 3.800 21.7 3126 851 0.025 0.052 0.045 1 21.7 3.7 99.9 0.043 0.037 3.800 4.250 23.3 2774 766 0.022 0.043 0.037 1 23.3 3.6 99.7 0.044 0.038 4.250 4.910 24.8 2524 696 0.022 0.044 0.038 1 24.8 3.6 99.8 0.048 0.042 4.910 6.010 23.5 2063 579 0.024 0.048 0.042 1 23.5 3.6 99.5 0.048 0.041 6.010 8.500 23.7 1630 462 0.024 0.048 0.041 1 23.7 3.5 98.9 0.042 0.035 8.500 29.794 25.4 826 253 0.022 0.042 0.035 1 25.4 3.3 93.6 model building D.C. & J.S. Richardson lab molprobity@kinemage.biochem.duke.edu http://kinemage.biochem.duke.edu/molprobity/ MolProbity package 3beta29 data extraction PDB deposit@deposit.rcsb.org June 10, 2010 C++ http://sw-tools.pdb.org/apps/PDB_EXTRACT/ PDB_EXTRACT package 3.10 phasing George M. Sheldrick gsheldr@shelx.uni-ac.gwdg.de Fortran_77 http://shelx.uni-ac.gwdg.de/SHELX/ SHELX package phasing Eric de La Fortelle sharp-develop@globalphasing.com http://www.globalphasing.com/sharp/ SHARP package data scaling Phil Evans pre@mrc-lmb.cam.ac.uk SCALA package 3.3.15 refinement Garib N. Murshudov garib@mrc-lmb.cam.ac.uk Fortran_77 http://www.ccp4.ac.uk/dist/html/refmac5.html REFMAC program 5.7.0032 data reduction MOSFLM phasing SHELXD Y Crystal structure of the apo form of a 3alpha-hydroxysteroid dehydrogenase (BaiA2) associated with secondary bile acid synthesis from Clostridium scindens VPI12708 at 1.90 A resolution 1 N N 2 N N 3 N N A ARG 16 A ARG 35 HELX_P A ASN 29 A ASN 48 1 1 14 A THR 39 A THR 58 HELX_P A TYR 54 A TYR 73 1 2 16 A SER 68 A SER 87 HELX_P A GLY 84 A GLY 103 1 3 17 A VAL 100 A VAL 119 HELX_P A VAL 104 A VAL 123 5 4 5 A SER 105 A SER 124 HELX_P A VAL 117 A VAL 136 1 5 13 A VAL 117 A VAL 136 HELX_P A LYS 132 A LYS 151 1 6 16 A ALA 159 A ALA 178 HELX_P A ILE 175 A ILE 194 1 7 17 A ILE 176 A ILE 195 HELX_P A LYS 178 A LYS 197 5 8 3 A GLU 217 A GLU 236 HELX_P A SER 230 A SER 249 1 9 14 A ASP 231 A ASP 250 HELX_P A SER 234 A SER 253 5 10 4 covale 1.316 both A MSE 1 A C MSE 20 1_555 A ASN 2 A N ASN 21 1_555 covale 1.335 both A VAL 72 A C VAL 91 1_555 A MSE 73 A N MSE 92 1_555 covale 1.316 both A MSE 73 A C MSE 92 1_555 A ALA 74 A N ALA 93 1_555 covale 1.343 both A VAL 88 A C VAL 107 1_555 A MSE 89 A N MSE 108 1_555 covale 1.330 both A MSE 89 A C MSE 108 1_555 A ILE 90 A N ILE 109 1_555 covale 1.326 both A ILE 112 A C ILE 131 1_555 A MSE 113 A N MSE 132 1_555 covale 1.327 both A MSE 113 A C MSE 132 1_555 A ASP 114 A N ASP 133 1_555 covale 1.332 both A CYS 130 A C CYS 149 1_555 A MSE 131 A N MSE 150 1_555 covale 1.327 both A MSE 131 A C MSE 150 1_555 A LYS 132 A N LYS 151 1_555 covale 1.328 both A MSE 215 A C MSE 234 1_555 A LEU 216 A N LEU 235 1_555 OXIDOREDUCTASE NAD(P)-binding Rossmann-fold domains, Structural Genomics, Joint Center for Structural Genomics, JCSG, Protein Structure Initiative, PSI-BIOLOGY, OXIDOREDUCTASE BAIA2_EUBSP UNP 1 1 P19337 MNLVQDKVTIITGGTRGIGFAAAKIFIDNGAKVSIFGETQEEVDTALAQLKELYPEEEVLGFAPDLTSRDAVMAAVGQVA QKYGRLDVMINNAGITSNNVFSRVSEEEFKHIMDINVTGVFNGAWCAYQCMKDAKKGVIINTASVTGIFGSLSGVGYPAS KASVIGLTHGLGREIIRKNIRVVGVAPGVVNTDMTNGNPPEIMEGYLKALPMKRMLEPEEIANVYLFLASDLASGITATT VSVDGAYRP 1 249 4IS2 1 249 P19337 A 1 20 268 1 expression tag MSE -18 4IS2 A P19337 UNP 1 1 expression tag GLY -17 4IS2 A P19337 UNP 2 1 expression tag SER -16 4IS2 A P19337 UNP 3 1 expression tag ASP -15 4IS2 A P19337 UNP 4 1 expression tag LYS -14 4IS2 A P19337 UNP 5 1 expression tag ILE -13 4IS2 A P19337 UNP 6 1 expression tag HIS -12 4IS2 A P19337 UNP 7 1 expression tag HIS -11 4IS2 A P19337 UNP 8 1 expression tag HIS -10 4IS2 A P19337 UNP 9 1 expression tag HIS -9 4IS2 A P19337 UNP 10 1 expression tag HIS -8 4IS2 A P19337 UNP 11 1 expression tag HIS -7 4IS2 A P19337 UNP 12 1 expression tag GLU -6 4IS2 A P19337 UNP 13 1 expression tag ASN -5 4IS2 A P19337 UNP 14 1 expression tag LEU -4 4IS2 A P19337 UNP 15 1 expression tag TYR -3 4IS2 A P19337 UNP 16 1 expression tag PHE -2 4IS2 A P19337 UNP 17 1 expression tag GLN -1 4IS2 A P19337 UNP 18 1 expression tag GLY 0 4IS2 A P19337 UNP 19 7 parallel parallel parallel parallel parallel parallel A LEU 60 A LEU 79 A PHE 62 A PHE 81 A LYS 32 A LYS 51 A PHE 36 A PHE 55 A VAL 8 A VAL 27 A ILE 11 A ILE 30 A VAL 88 A VAL 107 A ASN 91 A ASN 110 A GLY 137 A GLY 156 A THR 142 A THR 161 A ILE 180 A ILE 199 A PRO 187 A PRO 206 A THR 239 A THR 258 A VAL 243 A VAL 262 BINDING SITE FOR RESIDUE CL A 301 A CL 301 Software 3 A TYR 54 A TYR 73 3 1_555 A PRO 55 A PRO 74 3 1_555 A GLU 56 A GLU 75 3 1_555 23 I 2 2 2