HEADER MEMBRANE PROTEIN 14-MAR-25 9MAU TITLE CRYO-EM STRUCTURE OF HUMAN OAT1 IN THE APO STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFORM 2 OF SOLUTE CARRIER FAMILY 22 MEMBER 6; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ORGANIC ANION TRANSPORTER 1,HOAT1,PAH TRANSPORTER,HPAHT, COMPND 5 RENAL ORGANIC ANION TRANSPORTER 1,HROAT1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: SLC22A6, OAT1, PAHT; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS TRANSPORTER, OAT1, ORGANIC ANION TRANSPORTER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR W.ZHANG,Y.ZHANG REVDAT 1 18-JUN-25 9MAU 0 JRNL AUTH W.ZHANG,Y.ZHANG JRNL TITL CRYO-EM STRUCTURE OF HUMAN SLC22A6 IN THE APO STATE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.87 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : NULL 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) : 2.870 REMARK 3 NUMBER OF PARTICLES : 205045 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 9MAU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 18-MAR-25. REMARK 100 THE DEPOSITION ID IS D_1300057550. 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 : OAT1 REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 5.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 7.40 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : TFS FALCON 4I (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 900.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 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) : 4960.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 130000 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 88 REMARK 465 PRO A 89 REMARK 465 PHE A 90 REMARK 465 LEU A 91 REMARK 465 ASN A 92 REMARK 465 GLY A 93 REMARK 465 THR A 94 REMARK 465 GLU A 95 REMARK 465 ALA A 96 REMARK 465 ASN A 97 REMARK 465 GLY A 98 REMARK 465 THR A 318 REMARK 465 MET A 319 REMARK 465 GLY A 320 REMARK 465 LYS A 321 REMARK 465 GLY A 322 REMARK 465 LYS A 523 REMARK 465 GLY A 524 REMARK 465 LYS A 525 REMARK 465 GLN A 526 REMARK 465 THR A 527 REMARK 465 ARG A 528 REMARK 465 GLN A 529 REMARK 465 GLN A 530 REMARK 465 GLN A 531 REMARK 465 GLU A 532 REMARK 465 HIS A 533 REMARK 465 GLN A 534 REMARK 465 LYS A 535 REMARK 465 TYR A 536 REMARK 465 MET A 537 REMARK 465 VAL A 538 REMARK 465 PRO A 539 REMARK 465 LEU A 540 REMARK 465 GLN A 541 REMARK 465 ALA A 542 REMARK 465 SER A 543 REMARK 465 ALA A 544 REMARK 465 GLN A 545 REMARK 465 GLU A 546 REMARK 465 LYS A 547 REMARK 465 ASN A 548 REMARK 465 GLY A 549 REMARK 465 LEU A 550 REMARK 465 HIS A 551 REMARK 465 HIS A 552 REMARK 465 HIS A 553 REMARK 465 HIS A 554 REMARK 465 HIS A 555 REMARK 465 HIS A 556 REMARK 465 HIS A 557 REMARK 465 HIS A 558 REMARK 465 HIS A 559 REMARK 465 HIS A 560 REMARK 465 GLY A 561 REMARK 465 SER A 562 REMARK 465 VAL A 563 REMARK 465 GLU A 564 REMARK 465 ASP A 565 REMARK 465 TYR A 566 REMARK 465 LYS A 567 REMARK 465 ASP A 568 REMARK 465 ASP A 569 REMARK 465 ASP A 570 REMARK 465 ASP A 571 REMARK 465 LYS A 572 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASN A 56 CG OD1 ND2 REMARK 470 LEU A 57 CG CD1 CD2 REMARK 470 SER A 58 OG REMARK 470 LYS A 59 CG CD CE NZ REMARK 470 ASN A 60 CG OD1 ND2 REMARK 470 GLU A 64 CG CD OE1 OE2 REMARK 470 ARG A 69 CG CD NE CZ NH1 NH2 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 ALA A 2 14.72 -147.63 REMARK 500 CYS A 128 -121.66 59.35 REMARK 500 SER A 305 -166.55 -127.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63758 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN OAT1 IN THE APO STATE DBREF 9MAU A 1 550 UNP Q4U2R8 S22A6_HUMAN 1 550 SEQADV 9MAU HIS A 551 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 552 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 553 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 554 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 555 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 556 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 557 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 558 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 559 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU HIS A 560 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU GLY A 561 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU SER A 562 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU VAL A 563 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU GLU A 564 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU ASP A 565 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU TYR A 566 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU LYS A 567 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU ASP A 568 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU ASP A 569 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU ASP A 570 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU ASP A 571 UNP Q4U2R8 EXPRESSION TAG SEQADV 9MAU LYS A 572 UNP Q4U2R8 EXPRESSION TAG SEQRES 1 A 572 MET ALA PHE ASN ASP LEU LEU GLN GLN VAL GLY GLY VAL SEQRES 2 A 572 GLY ARG PHE GLN GLN ILE GLN VAL THR LEU VAL VAL LEU SEQRES 3 A 572 PRO LEU LEU LEU MET ALA SER HIS ASN THR LEU GLN ASN SEQRES 4 A 572 PHE THR ALA ALA ILE PRO THR HIS HIS CYS ARG PRO PRO SEQRES 5 A 572 ALA ASP ALA ASN LEU SER LYS ASN GLY GLY LEU GLU VAL SEQRES 6 A 572 TRP LEU PRO ARG ASP ARG GLN GLY GLN PRO GLU SER CYS SEQRES 7 A 572 LEU ARG PHE THR SER PRO GLN TRP GLY LEU PRO PHE LEU SEQRES 8 A 572 ASN GLY THR GLU ALA ASN GLY THR GLY ALA THR GLU PRO SEQRES 9 A 572 CYS THR ASP GLY TRP ILE TYR ASP ASN SER THR PHE PRO SEQRES 10 A 572 SER THR ILE VAL THR GLU TRP ASP LEU VAL CYS SER HIS SEQRES 11 A 572 ARG ALA LEU ARG GLN LEU ALA GLN SER LEU TYR MET VAL SEQRES 12 A 572 GLY VAL LEU LEU GLY ALA MET VAL PHE GLY TYR LEU ALA SEQRES 13 A 572 ASP ARG LEU GLY ARG ARG LYS VAL LEU ILE LEU ASN TYR SEQRES 14 A 572 LEU GLN THR ALA VAL SER GLY THR CYS ALA ALA PHE ALA SEQRES 15 A 572 PRO ASN PHE PRO ILE TYR CYS ALA PHE ARG LEU LEU SER SEQRES 16 A 572 GLY MET ALA LEU ALA GLY ILE SER LEU ASN CYS MET THR SEQRES 17 A 572 LEU ASN VAL GLU TRP MET PRO ILE HIS THR ARG ALA CYS SEQRES 18 A 572 VAL GLY THR LEU ILE GLY TYR VAL TYR SER LEU GLY GLN SEQRES 19 A 572 PHE LEU LEU ALA GLY VAL ALA TYR ALA VAL PRO HIS TRP SEQRES 20 A 572 ARG HIS LEU GLN LEU LEU VAL SER ALA PRO PHE PHE ALA SEQRES 21 A 572 PHE PHE ILE TYR SER TRP PHE PHE ILE GLU SER ALA ARG SEQRES 22 A 572 TRP HIS SER SER SER GLY ARG LEU ASP LEU THR LEU ARG SEQRES 23 A 572 ALA LEU GLN ARG VAL ALA ARG ILE ASN GLY LYS ARG GLU SEQRES 24 A 572 GLU GLY ALA LYS LEU SER MET GLU VAL LEU ARG ALA SER SEQRES 25 A 572 LEU GLN LYS GLU LEU THR MET GLY LYS GLY GLN ALA SER SEQRES 26 A 572 ALA MET GLU LEU LEU ARG CYS PRO THR LEU ARG HIS LEU SEQRES 27 A 572 PHE LEU CYS LEU SER MET LEU TRP PHE ALA THR SER PHE SEQRES 28 A 572 ALA TYR TYR GLY LEU VAL MET ASP LEU GLN GLY PHE GLY SEQRES 29 A 572 VAL SER ILE TYR LEU ILE GLN VAL ILE PHE GLY ALA VAL SEQRES 30 A 572 ASP LEU PRO ALA LYS LEU VAL GLY PHE LEU VAL ILE ASN SEQRES 31 A 572 SER LEU GLY ARG ARG PRO ALA GLN MET ALA ALA LEU LEU SEQRES 32 A 572 LEU ALA GLY ILE CYS ILE LEU LEU ASN GLY VAL ILE PRO SEQRES 33 A 572 GLN ASP GLN SER ILE VAL ARG THR SER LEU ALA VAL LEU SEQRES 34 A 572 GLY LYS GLY CYS LEU ALA ALA SER PHE ASN CYS ILE PHE SEQRES 35 A 572 LEU TYR THR GLY GLU LEU TYR PRO THR MET ILE ARG GLN SEQRES 36 A 572 THR GLY MET GLY MET GLY SER THR MET ALA ARG VAL GLY SEQRES 37 A 572 SER ILE VAL SER PRO LEU VAL SER MET THR ALA GLU LEU SEQRES 38 A 572 TYR PRO SER MET PRO LEU PHE ILE TYR GLY ALA VAL PRO SEQRES 39 A 572 VAL ALA ALA SER ALA VAL THR VAL LEU LEU PRO GLU THR SEQRES 40 A 572 LEU GLY GLN PRO LEU PRO ASP THR VAL GLN ASP LEU GLU SEQRES 41 A 572 SER ARG LYS GLY LYS GLN THR ARG GLN GLN GLN GLU HIS SEQRES 42 A 572 GLN LYS TYR MET VAL PRO LEU GLN ALA SER ALA GLN GLU SEQRES 43 A 572 LYS ASN GLY LEU HIS HIS HIS HIS HIS HIS HIS HIS HIS SEQRES 44 A 572 HIS GLY SER VAL GLU ASP TYR LYS ASP ASP ASP ASP LYS HELIX 1 AA1 ALA A 2 VAL A 10 1 9 HELIX 2 AA2 GLY A 14 LEU A 26 1 13 HELIX 3 AA3 LEU A 28 THR A 36 1 9 HELIX 4 AA4 LEU A 37 PHE A 40 5 4 HELIX 5 AA5 ASN A 56 GLY A 61 1 6 HELIX 6 AA6 GLY A 62 LEU A 67 1 6 HELIX 7 AA7 THR A 119 TRP A 124 1 6 HELIX 8 AA8 VAL A 127 HIS A 130 5 4 HELIX 9 AA9 ARG A 131 GLY A 160 1 30 HELIX 10 AB1 GLY A 160 PHE A 181 1 22 HELIX 11 AB2 ASN A 184 TRP A 213 1 30 HELIX 12 AB3 PRO A 215 HIS A 217 5 3 HELIX 13 AB4 THR A 218 VAL A 244 1 27 HELIX 14 AB5 HIS A 246 ALA A 256 1 11 HELIX 15 AB6 ALA A 256 SER A 265 1 10 HELIX 16 AB7 TRP A 266 PHE A 268 5 3 HELIX 17 AB8 SER A 271 GLY A 279 1 9 HELIX 18 AB9 ARG A 280 GLY A 296 1 17 HELIX 19 AC1 LYS A 297 LEU A 304 1 8 HELIX 20 AC2 SER A 305 SER A 312 1 8 HELIX 21 AC3 SER A 325 CYS A 332 1 8 HELIX 22 AC4 CYS A 332 MET A 358 1 27 HELIX 23 AC5 SER A 366 GLY A 393 1 28 HELIX 24 AC6 GLY A 393 ILE A 415 1 23 HELIX 25 AC7 GLN A 419 TYR A 449 1 31 HELIX 26 AC8 PRO A 450 MET A 452 5 3 HELIX 27 AC9 ILE A 453 MET A 477 1 25 HELIX 28 AD1 THR A 478 GLU A 480 5 3 HELIX 29 AD2 SER A 484 THR A 501 1 18 HELIX 30 AD3 THR A 515 ARG A 522 1 8 SHEET 1 AA1 2 HIS A 47 CYS A 49 0 SHEET 2 AA1 2 TRP A 109 TYR A 111 -1 O ILE A 110 N HIS A 48 SHEET 1 AA2 2 ARG A 80 PHE A 81 0 SHEET 2 AA2 2 THR A 102 GLU A 103 -1 O GLU A 103 N ARG A 80 SSBOND 1 CYS A 49 CYS A 105 1555 1555 2.01 SSBOND 2 CYS A 78 CYS A 128 1555 1555 2.03 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 TER 3875 ARG A 522 CONECT 377 698 CONECT 576 885 CONECT 698 377 CONECT 885 576 MASTER 202 0 0 30 4 0 0 6 3874 1 4 44 END