HEADER TRANSPORT PROTEIN 14-JAN-24 8XV2 TITLE THIAMINE-BOUND HUMAN SLC19A3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUBLE CYTOCHROME B562,THIAMINE TRANSPORTER 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CYTOCHROME B-562,THTR-2,THTR2,SOLUTE CARRIER FAMILY 19 COMPND 5 MEMBER 3; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI, HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 562, 9606; SOURCE 5 GENE: CYBC, SLC19A3; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS SLC19A3, THIAMINE, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Y.DANG,G.P.WANG,Z.ZHANG REVDAT 3 12-JUN-24 8XV2 1 JRNL REVDAT 2 03-APR-24 8XV2 1 JRNL REVDAT 1 27-MAR-24 8XV2 0 JRNL AUTH Y.DANG,T.ZHANG,S.PIDATHALA,G.WANG,Y.WANG,N.CHEN,C.SONG, JRNL AUTH 2 C.H.LEE,Z.ZHANG JRNL TITL SUBSTRATE AND DRUG RECOGNITION MECHANISMS OF SLC19A3. JRNL REF CELL RES. V. 34 458 2024 JRNL REFN ISSN 1001-0602 JRNL PMID 38503960 JRNL DOI 10.1038/S41422-024-00951-2 REMARK 2 REMARK 2 RESOLUTION. 3.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : PHENIX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : NULL REMARK 3 REFINEMENT PROTOCOL : NULL REMARK 3 REFINEMENT TARGET : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE : NULL REMARK 3 REMARK 3 FITTING PROCEDURE : NULL REMARK 3 REMARK 3 EM IMAGE RECONSTRUCTION STATISTICS REMARK 3 NOMINAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 ACTUAL PIXEL SIZE (ANGSTROMS) : NULL REMARK 3 EFFECTIVE RESOLUTION (ANGSTROMS) : 3.700 REMARK 3 NUMBER OF PARTICLES : 230813 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 8XV2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 17-JAN-24. REMARK 100 THE DEPOSITION ID IS D_1300044276. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : HUMAN SLC19A3 IN COMPLEX WITH REMARK 245 THIAMINE REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 4.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : NULL REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 700.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1500.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 LEU A -107 REMARK 465 GLU A -106 REMARK 465 VAL A -105 REMARK 465 LEU A -104 REMARK 465 PHE A -103 REMARK 465 GLN A -102 REMARK 465 GLY A -101 REMARK 465 PRO A -100 REMARK 465 SER A -99 REMARK 465 ARG A -98 REMARK 465 ALA A -97 REMARK 465 THR A -96 REMARK 465 ALA A -95 REMARK 465 ASP A -94 REMARK 465 LEU A -93 REMARK 465 GLU A -92 REMARK 465 ASP A -91 REMARK 465 ASN A -90 REMARK 465 TRP A -89 REMARK 465 GLU A -88 REMARK 465 THR A -87 REMARK 465 LEU A -86 REMARK 465 ASN A -85 REMARK 465 ASP A -84 REMARK 465 ASN A -83 REMARK 465 LEU A -82 REMARK 465 LYS A -81 REMARK 465 VAL A -80 REMARK 465 ILE A -79 REMARK 465 GLU A -78 REMARK 465 LYS A -77 REMARK 465 ALA A -76 REMARK 465 ASP A -75 REMARK 465 ASN A -74 REMARK 465 ALA A -73 REMARK 465 ALA A -72 REMARK 465 GLN A -71 REMARK 465 VAL A -70 REMARK 465 LYS A -69 REMARK 465 ASP A -68 REMARK 465 ALA A -67 REMARK 465 LEU A -66 REMARK 465 THR A -65 REMARK 465 LYS A -64 REMARK 465 MET A -63 REMARK 465 ARG A -62 REMARK 465 ALA A -61 REMARK 465 ALA A -60 REMARK 465 ALA A -59 REMARK 465 LEU A -58 REMARK 465 ASP A -57 REMARK 465 ALA A -56 REMARK 465 GLN A -55 REMARK 465 LYS A -54 REMARK 465 ALA A -53 REMARK 465 THR A -52 REMARK 465 PRO A -51 REMARK 465 PRO A -50 REMARK 465 LYS A -49 REMARK 465 LEU A -48 REMARK 465 GLU A -47 REMARK 465 ASP A -46 REMARK 465 LYS A -45 REMARK 465 SER A -44 REMARK 465 PRO A -43 REMARK 465 ASP A -42 REMARK 465 SER A -41 REMARK 465 PRO A -40 REMARK 465 GLU A -39 REMARK 465 MET A -38 REMARK 465 LYS A -37 REMARK 465 ASP A -36 REMARK 465 PHE A -35 REMARK 465 ARG A -34 REMARK 465 HIS A -33 REMARK 465 GLY A -32 REMARK 465 PHE A -31 REMARK 465 ASP A -30 REMARK 465 ILE A -29 REMARK 465 LEU A -28 REMARK 465 VAL A -27 REMARK 465 GLY A -26 REMARK 465 GLN A -25 REMARK 465 ILE A -24 REMARK 465 ASP A -23 REMARK 465 ASP A -22 REMARK 465 ALA A -21 REMARK 465 LEU A -20 REMARK 465 LYS A -19 REMARK 465 LEU A -18 REMARK 465 ALA A -17 REMARK 465 ASN A -16 REMARK 465 GLU A -15 REMARK 465 GLY A -14 REMARK 465 LYS A -13 REMARK 465 VAL A -12 REMARK 465 LYS A -11 REMARK 465 GLU A -10 REMARK 465 ALA A -9 REMARK 465 GLN A -8 REMARK 465 ALA A -7 REMARK 465 ALA A -6 REMARK 465 ALA A -5 REMARK 465 GLU A -4 REMARK 465 GLN A -3 REMARK 465 LEU A -2 REMARK 465 LYS A -1 REMARK 465 THR A 0 REMARK 465 THR A 1 REMARK 465 ARG A 2 REMARK 465 ASN A 3 REMARK 465 ALA A 4 REMARK 465 TYR A 5 REMARK 465 ILE A 6 REMARK 465 GLN A 7 REMARK 465 LYS A 8 REMARK 465 TYR A 9 REMARK 465 LEU A 10 REMARK 465 SER A 204 REMARK 465 ARG A 205 REMARK 465 GLU A 206 REMARK 465 ILE A 207 REMARK 465 LYS A 208 REMARK 465 LYS A 209 REMARK 465 SER A 210 REMARK 465 SER A 211 REMARK 465 SER A 212 REMARK 465 VAL A 213 REMARK 465 ASN A 214 REMARK 465 PRO A 215 REMARK 465 VAL A 216 REMARK 465 LEU A 217 REMARK 465 GLU A 218 REMARK 465 GLU A 219 REMARK 465 THR A 220 REMARK 465 HIS A 221 REMARK 465 GLU A 222 REMARK 465 GLY A 223 REMARK 465 GLU A 224 REMARK 465 ALA A 225 REMARK 465 PRO A 226 REMARK 465 GLY A 227 REMARK 465 CYS A 228 REMARK 465 GLU A 229 REMARK 465 GLU A 230 REMARK 465 GLN A 231 REMARK 465 LYS A 232 REMARK 465 PRO A 233 REMARK 465 THR A 234 REMARK 465 SER A 235 REMARK 465 GLU A 236 REMARK 465 ILE A 237 REMARK 465 LEU A 238 REMARK 465 SER A 239 REMARK 465 THR A 240 REMARK 465 SER A 241 REMARK 465 GLY A 242 REMARK 465 LYS A 243 REMARK 465 LEU A 244 REMARK 465 ASN A 245 REMARK 465 LYS A 246 REMARK 465 GLY A 247 REMARK 465 GLN A 248 REMARK 465 LEU A 249 REMARK 465 ASN A 250 REMARK 465 SER A 251 REMARK 465 LEU A 252 REMARK 465 LYS A 253 REMARK 465 PRO A 254 REMARK 465 SER A 255 REMARK 465 ASN A 256 REMARK 465 VAL A 257 REMARK 465 THR A 258 REMARK 465 VAL A 259 REMARK 465 ASP A 260 REMARK 465 VAL A 261 REMARK 465 PHE A 262 REMARK 465 VAL A 263 REMARK 465 GLN A 264 REMARK 465 ILE A 460 REMARK 465 THR A 461 REMARK 465 TYR A 462 REMARK 465 SER A 463 REMARK 465 THR A 464 REMARK 465 LYS A 465 REMARK 465 SER A 466 REMARK 465 GLN A 467 REMARK 465 LYS A 468 REMARK 465 ASP A 469 REMARK 465 VAL A 470 REMARK 465 GLN A 471 REMARK 465 SER A 472 REMARK 465 PRO A 473 REMARK 465 ALA A 474 REMARK 465 PRO A 475 REMARK 465 SER A 476 REMARK 465 GLU A 477 REMARK 465 ASN A 478 REMARK 465 PRO A 479 REMARK 465 ASP A 480 REMARK 465 VAL A 481 REMARK 465 SER A 482 REMARK 465 HIS A 483 REMARK 465 PRO A 484 REMARK 465 GLU A 485 REMARK 465 GLU A 486 REMARK 465 GLU A 487 REMARK 465 SER A 488 REMARK 465 ASN A 489 REMARK 465 ILE A 490 REMARK 465 ILE A 491 REMARK 465 MET A 492 REMARK 465 SER A 493 REMARK 465 THR A 494 REMARK 465 LYS A 495 REMARK 465 LEU A 496 REMARK 465 SER A 497 REMARK 465 ASN A 498 REMARK 465 SER A 499 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 TRP A 12 -10.07 -142.38 REMARK 500 PHE A 34 32.22 -95.95 REMARK 500 ASN A 45 78.95 -104.24 REMARK 500 TYR A 79 -11.20 72.15 REMARK 500 PHE A 189 51.68 -96.22 REMARK 500 HIS A 200 30.71 -93.06 REMARK 500 SER A 274 58.59 -90.98 REMARK 500 ASP A 311 -60.20 -95.63 REMARK 500 TYR A 315 51.05 -118.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-38691 RELATED DB: EMDB REMARK 900 THIAMINE-BOUND HUMAN SLC19A3 DBREF 8XV2 A -95 10 UNP P0ABE7 C562_ECOLX 23 128 DBREF 8XV2 A 11 496 UNP Q9BZV2 S19A3_HUMAN 11 496 SEQADV 8XV2 LEU A -107 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 GLU A -106 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 VAL A -105 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 LEU A -104 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 PHE A -103 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 GLN A -102 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 GLY A -101 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 PRO A -100 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 SER A -99 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 ARG A -98 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 ALA A -97 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 THR A -96 UNP P0ABE7 EXPRESSION TAG SEQADV 8XV2 TRP A -89 UNP P0ABE7 MET 29 CONFLICT SEQADV 8XV2 ILE A 6 UNP P0ABE7 HIS 124 CONFLICT SEQADV 8XV2 LEU A 10 UNP P0ABE7 ARG 128 CONFLICT SEQADV 8XV2 SER A 497 UNP Q9BZV2 EXPRESSION TAG SEQADV 8XV2 ASN A 498 UNP Q9BZV2 EXPRESSION TAG SEQADV 8XV2 SER A 499 UNP Q9BZV2 EXPRESSION TAG SEQRES 1 A 607 LEU GLU VAL LEU PHE GLN GLY PRO SER ARG ALA THR ALA SEQRES 2 A 607 ASP LEU GLU ASP ASN TRP GLU THR LEU ASN ASP ASN LEU SEQRES 3 A 607 LYS VAL ILE GLU LYS ALA ASP ASN ALA ALA GLN VAL LYS SEQRES 4 A 607 ASP ALA LEU THR LYS MET ARG ALA ALA ALA LEU ASP ALA SEQRES 5 A 607 GLN LYS ALA THR PRO PRO LYS LEU GLU ASP LYS SER PRO SEQRES 6 A 607 ASP SER PRO GLU MET LYS ASP PHE ARG HIS GLY PHE ASP SEQRES 7 A 607 ILE LEU VAL GLY GLN ILE ASP ASP ALA LEU LYS LEU ALA SEQRES 8 A 607 ASN GLU GLY LYS VAL LYS GLU ALA GLN ALA ALA ALA GLU SEQRES 9 A 607 GLN LEU LYS THR THR ARG ASN ALA TYR ILE GLN LYS TYR SEQRES 10 A 607 LEU SER TRP ILE TYR PRO THR VAL ILE LEU CYS LEU PHE SEQRES 11 A 607 GLY PHE PHE SER MET MET ARG PRO SER GLU PRO PHE LEU SEQRES 12 A 607 ILE PRO TYR LEU SER GLY PRO ASP LYS ASN LEU THR SER SEQRES 13 A 607 ALA GLU ILE THR ASN GLU ILE PHE PRO VAL TRP THR TYR SEQRES 14 A 607 SER TYR LEU VAL LEU LEU LEU PRO VAL PHE VAL LEU THR SEQRES 15 A 607 ASP TYR VAL ARG TYR LYS PRO VAL ILE ILE LEU GLN GLY SEQRES 16 A 607 ILE SER PHE ILE ILE THR TRP LEU LEU LEU LEU PHE GLY SEQRES 17 A 607 GLN GLY VAL LYS THR MET GLN VAL VAL GLU PHE PHE TYR SEQRES 18 A 607 GLY MET VAL THR ALA ALA GLU VAL ALA TYR TYR ALA TYR SEQRES 19 A 607 ILE TYR SER VAL VAL SER PRO GLU HIS TYR GLN ARG VAL SEQRES 20 A 607 SER GLY TYR CYS ARG SER VAL THR LEU ALA ALA TYR THR SEQRES 21 A 607 ALA GLY SER VAL LEU ALA GLN LEU LEU VAL SER LEU ALA SEQRES 22 A 607 ASN MET SER TYR PHE TYR LEU ASN VAL ILE SER LEU ALA SEQRES 23 A 607 SER VAL SER VAL ALA PHE LEU PHE SER LEU PHE LEU PRO SEQRES 24 A 607 MET PRO LYS LYS SER MET PHE PHE HIS ALA LYS PRO SER SEQRES 25 A 607 ARG GLU ILE LYS LYS SER SER SER VAL ASN PRO VAL LEU SEQRES 26 A 607 GLU GLU THR HIS GLU GLY GLU ALA PRO GLY CYS GLU GLU SEQRES 27 A 607 GLN LYS PRO THR SER GLU ILE LEU SER THR SER GLY LYS SEQRES 28 A 607 LEU ASN LYS GLY GLN LEU ASN SER LEU LYS PRO SER ASN SEQRES 29 A 607 VAL THR VAL ASP VAL PHE VAL GLN TRP PHE GLN ASP LEU SEQRES 30 A 607 LYS GLU CYS TYR SER SER LYS ARG LEU PHE TYR TRP SER SEQRES 31 A 607 LEU TRP TRP ALA PHE ALA THR ALA GLY PHE ASN GLN VAL SEQRES 32 A 607 LEU ASN TYR VAL GLN ILE LEU TRP ASP TYR LYS ALA PRO SEQRES 33 A 607 SER GLN ASP SER SER ILE TYR ASN GLY ALA VAL GLU ALA SEQRES 34 A 607 ILE ALA THR PHE GLY GLY ALA VAL ALA ALA PHE ALA VAL SEQRES 35 A 607 GLY TYR VAL LYS VAL ASN TRP ASP LEU LEU GLY GLU LEU SEQRES 36 A 607 ALA LEU VAL VAL PHE SER VAL VAL ASN ALA GLY SER LEU SEQRES 37 A 607 PHE LEU MET HIS TYR THR ALA ASN ILE TRP ALA CYS TYR SEQRES 38 A 607 ALA GLY TYR LEU ILE PHE LYS SER SER TYR MET LEU LEU SEQRES 39 A 607 ILE THR ILE ALA VAL PHE GLN ILE ALA VAL ASN LEU ASN SEQRES 40 A 607 VAL GLU ARG TYR ALA LEU VAL PHE GLY ILE ASN THR PHE SEQRES 41 A 607 ILE ALA LEU VAL ILE GLN THR ILE MET THR VAL ILE VAL SEQRES 42 A 607 VAL ASP GLN ARG GLY LEU ASN LEU PRO VAL SER ILE GLN SEQRES 43 A 607 PHE LEU VAL TYR GLY SER TYR PHE ALA VAL ILE ALA GLY SEQRES 44 A 607 ILE PHE LEU MET ARG SER MET TYR ILE THR TYR SER THR SEQRES 45 A 607 LYS SER GLN LYS ASP VAL GLN SER PRO ALA PRO SER GLU SEQRES 46 A 607 ASN PRO ASP VAL SER HIS PRO GLU GLU GLU SER ASN ILE SEQRES 47 A 607 ILE MET SER THR LYS LEU SER ASN SER HET VIB A 501 18 HETNAM VIB 3-(4-AMINO-2-METHYL-PYRIMIDIN-5-YLMETHYL)-5-(2-HYDROXY- HETNAM 2 VIB ETHYL)-4-METHYL-THIAZOL-3-IUM HETSYN VIB THIAMIN; VITAMIN B1 FORMUL 2 VIB C12 H17 N4 O S 1+ HELIX 1 AA1 TRP A 12 MET A 28 1 17 HELIX 2 AA2 PHE A 34 SER A 40 1 7 HELIX 3 AA3 THR A 47 ILE A 55 1 9 HELIX 4 AA4 PHE A 56 LEU A 66 1 11 HELIX 5 AA5 LEU A 67 TYR A 76 1 10 HELIX 6 AA6 LYS A 80 GLY A 100 1 21 HELIX 7 AA7 LYS A 104 TYR A 126 1 23 HELIX 8 AA8 TYR A 126 VAL A 131 1 6 HELIX 9 AA9 SER A 132 GLU A 134 5 3 HELIX 10 AB1 HIS A 135 ASN A 166 1 32 HELIX 11 AB2 SER A 168 LEU A 188 1 21 HELIX 12 AB3 ASP A 268 TYR A 273 1 6 HELIX 13 AB4 SER A 275 ALA A 307 1 33 HELIX 14 AB5 TYR A 315 GLY A 335 1 21 HELIX 15 AB6 ASN A 340 THR A 366 1 27 HELIX 16 AB7 ASN A 368 VAL A 396 1 29 HELIX 17 AB8 VAL A 400 VAL A 426 1 27 HELIX 18 AB9 PRO A 434 MET A 458 1 25 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000