HEADER TRANSPORT PROTEIN 24-OCT-24 9K7N TITLE CRYO-EM STRUCTURE OF HUMAN TAURINE TRANSPORTER TAUT BOUND TAURINE IN TITLE 2 AN OCCLUDED STATE IN THE SAPOSIN-DISC COMPND MOL_ID: 1; COMPND 2 MOLECULE: SODIUM- AND CHLORIDE-DEPENDENT TAURINE TRANSPORTER; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SOLUTE CARRIER FAMILY 6 MEMBER 6; COMPND 5 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: SLC6A6; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS COMPLEX, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR H.ZHANG,E.H.XU REVDAT 1 26-FEB-25 9K7N 0 JRNL AUTH H.ZHANG,E.H.XU JRNL TITL CRYO-EM STRUCTURE OF HUMAN TAURINE TRANSPORTER TAUT BOUND JRNL TITL 2 TAURINE IN AN OCCLUDED STATE IN THE SAPOSIN-DISC JRNL REF CELL RES. 2025 JRNL REFN ISSN 1001-0602 REMARK 2 REMARK 2 RESOLUTION. 3.30 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) : 3.300 REMARK 3 NUMBER OF PARTICLES : 99965 REMARK 3 CTF CORRECTION METHOD : PHASE FLIPPING AND AMPLITUDE REMARK 3 CORRECTION REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9K7N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 30-OCT-24. REMARK 100 THE DEPOSITION ID IS D_1300052919. 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 : SODIUM- AND CHLORIDE-DEPENDENT REMARK 245 TAURINE TRANSPORTER REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : NULL 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 : TFS KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 3000.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : NULL REMARK 245 IMAGING MODE : DIFFRACTION REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5000.00 REMARK 245 ILLUMINATION MODE : SPOT SCAN REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 50 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 MET A -11 REMARK 465 ASP A -10 REMARK 465 TYR A -9 REMARK 465 LYS A -8 REMARK 465 ASP A -7 REMARK 465 ASP A -6 REMARK 465 ASP A -5 REMARK 465 ASP A -4 REMARK 465 LYS A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 GLY A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 THR A 3 REMARK 465 LYS A 4 REMARK 465 GLU A 5 REMARK 465 LYS A 6 REMARK 465 LEU A 7 REMARK 465 GLN A 8 REMARK 465 CYS A 9 REMARK 465 LEU A 10 REMARK 465 LYS A 11 REMARK 465 ASP A 12 REMARK 465 PHE A 13 REMARK 465 HIS A 14 REMARK 465 LYS A 15 REMARK 465 ASP A 16 REMARK 465 ILE A 17 REMARK 465 LEU A 18 REMARK 465 LYS A 19 REMARK 465 PRO A 20 REMARK 465 SER A 21 REMARK 465 PRO A 22 REMARK 465 GLY A 23 REMARK 465 LYS A 24 REMARK 465 SER A 25 REMARK 465 PRO A 26 REMARK 465 GLY A 27 REMARK 465 THR A 28 REMARK 465 ARG A 29 REMARK 465 PRO A 30 REMARK 465 GLU A 31 REMARK 465 ASP A 32 REMARK 465 GLU A 33 REMARK 465 ALA A 34 REMARK 465 GLU A 35 REMARK 465 GLY A 36 REMARK 465 LYS A 37 REMARK 465 PRO A 38 REMARK 465 GLU A 584 REMARK 465 PRO A 585 REMARK 465 ASN A 586 REMARK 465 ARG A 587 REMARK 465 TRP A 588 REMARK 465 ALA A 589 REMARK 465 VAL A 590 REMARK 465 GLU A 591 REMARK 465 ARG A 592 REMARK 465 GLU A 593 REMARK 465 GLY A 594 REMARK 465 ALA A 595 REMARK 465 THR A 596 REMARK 465 PRO A 597 REMARK 465 TYR A 598 REMARK 465 ASN A 599 REMARK 465 SER A 600 REMARK 465 ARG A 601 REMARK 465 THR A 602 REMARK 465 VAL A 603 REMARK 465 MET A 604 REMARK 465 ASN A 605 REMARK 465 GLY A 606 REMARK 465 ALA A 607 REMARK 465 LEU A 608 REMARK 465 VAL A 609 REMARK 465 LYS A 610 REMARK 465 PRO A 611 REMARK 465 THR A 612 REMARK 465 HIS A 613 REMARK 465 ILE A 614 REMARK 465 ILE A 615 REMARK 465 VAL A 616 REMARK 465 GLU A 617 REMARK 465 THR A 618 REMARK 465 MET A 619 REMARK 465 MET A 620 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 LYS A 178 CG CD CE NZ REMARK 470 TRP A 183 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 183 CZ3 CH2 REMARK 470 ARG A 240 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OH TYR A 83 CL CL A 702 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 SER A 46 -129.98 54.85 REMARK 500 ALA A 463 17.78 59.57 REMARK 500 PRO A 502 -9.59 -52.79 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-62150 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN TAURINE TRANSPORTER TAUT BOUND TAURINE REMARK 900 IN AN OCCLUDED STATE IN THE SAPOSIN-DISC DBREF 9K7N A 1 620 UNP P31641 SC6A6_HUMAN 1 620 SEQADV 9K7N MET A -11 UNP P31641 INITIATING METHIONINE SEQADV 9K7N ASP A -10 UNP P31641 EXPRESSION TAG SEQADV 9K7N TYR A -9 UNP P31641 EXPRESSION TAG SEQADV 9K7N LYS A -8 UNP P31641 EXPRESSION TAG SEQADV 9K7N ASP A -7 UNP P31641 EXPRESSION TAG SEQADV 9K7N ASP A -6 UNP P31641 EXPRESSION TAG SEQADV 9K7N ASP A -5 UNP P31641 EXPRESSION TAG SEQADV 9K7N ASP A -4 UNP P31641 EXPRESSION TAG SEQADV 9K7N LYS A -3 UNP P31641 EXPRESSION TAG SEQADV 9K7N GLY A -2 UNP P31641 EXPRESSION TAG SEQADV 9K7N SER A -1 UNP P31641 EXPRESSION TAG SEQADV 9K7N GLY A 0 UNP P31641 EXPRESSION TAG SEQRES 1 A 632 MET ASP TYR LYS ASP ASP ASP ASP LYS GLY SER GLY MET SEQRES 2 A 632 ALA THR LYS GLU LYS LEU GLN CYS LEU LYS ASP PHE HIS SEQRES 3 A 632 LYS ASP ILE LEU LYS PRO SER PRO GLY LYS SER PRO GLY SEQRES 4 A 632 THR ARG PRO GLU ASP GLU ALA GLU GLY LYS PRO PRO GLN SEQRES 5 A 632 ARG GLU LYS TRP SER SER LYS ILE ASP PHE VAL LEU SER SEQRES 6 A 632 VAL ALA GLY GLY PHE VAL GLY LEU GLY ASN VAL TRP ARG SEQRES 7 A 632 PHE PRO TYR LEU CYS TYR LYS ASN GLY GLY GLY ALA PHE SEQRES 8 A 632 LEU ILE PRO TYR PHE ILE PHE LEU PHE GLY SER GLY LEU SEQRES 9 A 632 PRO VAL PHE PHE LEU GLU ILE ILE ILE GLY GLN TYR THR SEQRES 10 A 632 SER GLU GLY GLY ILE THR CYS TRP GLU LYS ILE CYS PRO SEQRES 11 A 632 LEU PHE SER GLY ILE GLY TYR ALA SER VAL VAL ILE VAL SEQRES 12 A 632 SER LEU LEU ASN VAL TYR TYR ILE VAL ILE LEU ALA TRP SEQRES 13 A 632 ALA THR TYR TYR LEU PHE GLN SER PHE GLN LYS GLU LEU SEQRES 14 A 632 PRO TRP ALA HIS CYS ASN HIS SER TRP ASN THR PRO HIS SEQRES 15 A 632 CYS MET GLU ASP THR MET ARG LYS ASN LYS SER VAL TRP SEQRES 16 A 632 ILE THR ILE SER SER THR ASN PHE THR SER PRO VAL ILE SEQRES 17 A 632 GLU PHE TRP GLU ARG ASN VAL LEU SER LEU SER PRO GLY SEQRES 18 A 632 ILE ASP HIS PRO GLY SER LEU LYS TRP ASP LEU ALA LEU SEQRES 19 A 632 CYS LEU LEU LEU VAL TRP LEU VAL CYS PHE PHE CYS ILE SEQRES 20 A 632 TRP LYS GLY VAL ARG SER THR GLY LYS VAL VAL TYR PHE SEQRES 21 A 632 THR ALA THR PHE PRO PHE ALA MET LEU LEU VAL LEU LEU SEQRES 22 A 632 VAL ARG GLY LEU THR LEU PRO GLY ALA GLY ALA GLY ILE SEQRES 23 A 632 LYS PHE TYR LEU TYR PRO ASP ILE THR ARG LEU GLU ASP SEQRES 24 A 632 PRO GLN VAL TRP ILE ASP ALA GLY THR GLN ILE PHE PHE SEQRES 25 A 632 SER TYR ALA ILE CYS LEU GLY ALA MET THR SER LEU GLY SEQRES 26 A 632 SER TYR ASN LYS TYR LYS TYR ASN SER TYR ARG ASP CYS SEQRES 27 A 632 MET LEU LEU GLY CYS LEU ASN SER GLY THR SER PHE VAL SEQRES 28 A 632 SER GLY PHE ALA ILE PHE SER ILE LEU GLY PHE MET ALA SEQRES 29 A 632 GLN GLU GLN GLY VAL ASP ILE ALA ASP VAL ALA GLU SER SEQRES 30 A 632 GLY PRO GLY LEU ALA PHE ILE ALA TYR PRO LYS ALA VAL SEQRES 31 A 632 THR MET MET PRO LEU PRO THR PHE TRP SER ILE LEU PHE SEQRES 32 A 632 PHE ILE MET LEU LEU LEU LEU GLY LEU ASP SER GLN PHE SEQRES 33 A 632 VAL GLU VAL GLU GLY GLN ILE THR SER LEU VAL ASP LEU SEQRES 34 A 632 TYR PRO SER PHE LEU ARG LYS GLY TYR ARG ARG GLU ILE SEQRES 35 A 632 PHE ILE ALA PHE VAL CYS SER ILE SER TYR LEU LEU GLY SEQRES 36 A 632 LEU THR MET VAL THR GLU GLY GLY MET TYR VAL PHE GLN SEQRES 37 A 632 LEU PHE ASP TYR TYR ALA ALA SER GLY VAL CYS LEU LEU SEQRES 38 A 632 TRP VAL ALA PHE PHE GLU CYS PHE VAL ILE ALA TRP ILE SEQRES 39 A 632 TYR GLY GLY ASP ASN LEU TYR ASP GLY ILE GLU ASP MET SEQRES 40 A 632 ILE GLY TYR ARG PRO GLY PRO TRP MET LYS TYR SER TRP SEQRES 41 A 632 ALA VAL ILE THR PRO VAL LEU CYS VAL GLY CYS PHE ILE SEQRES 42 A 632 PHE SER LEU VAL LYS TYR VAL PRO LEU THR TYR ASN LYS SEQRES 43 A 632 THR TYR VAL TYR PRO ASN TRP ALA ILE GLY LEU GLY TRP SEQRES 44 A 632 SER LEU ALA LEU SER SER MET LEU CYS VAL PRO LEU VAL SEQRES 45 A 632 ILE VAL ILE ARG LEU CYS GLN THR GLU GLY PRO PHE LEU SEQRES 46 A 632 VAL ARG VAL LYS TYR LEU LEU THR PRO ARG GLU PRO ASN SEQRES 47 A 632 ARG TRP ALA VAL GLU ARG GLU GLY ALA THR PRO TYR ASN SEQRES 48 A 632 SER ARG THR VAL MET ASN GLY ALA LEU VAL LYS PRO THR SEQRES 49 A 632 HIS ILE ILE VAL GLU THR MET MET HET TAU A 701 7 HET CL A 702 1 HETNAM TAU 2-AMINOETHANESULFONIC ACID HETNAM CL CHLORIDE ION FORMUL 2 TAU C2 H7 N O3 S FORMUL 3 CL CL 1- HELIX 1 AA1 LYS A 47 VAL A 59 1 13 HELIX 2 AA2 GLY A 60 TRP A 65 1 6 HELIX 3 AA3 TRP A 65 ASN A 74 1 10 HELIX 4 AA4 GLY A 76 SER A 90 1 15 HELIX 5 AA5 SER A 90 SER A 106 1 17 HELIX 6 AA6 GLY A 108 CYS A 117 1 10 HELIX 7 AA7 SER A 121 PHE A 153 1 33 HELIX 8 AA8 LEU A 157 HIS A 161 5 5 HELIX 9 AA9 GLU A 173 ASN A 179 1 7 HELIX 10 AB1 SER A 193 ASN A 202 1 10 HELIX 11 AB2 LYS A 217 GLY A 238 1 22 HELIX 12 AB3 VAL A 239 LYS A 244 1 6 HELIX 13 AB4 VAL A 245 LEU A 267 1 23 HELIX 14 AB5 GLY A 269 TYR A 279 1 11 HELIX 15 AB6 ASP A 281 ASP A 287 1 7 HELIX 16 AB7 ASP A 287 TYR A 302 1 16 HELIX 17 AB8 GLY A 307 ASN A 316 1 10 HELIX 18 AB9 ASN A 321 GLY A 356 1 36 HELIX 19 AC1 ASP A 358 VAL A 362 5 5 HELIX 20 AC2 PRO A 367 MET A 381 1 15 HELIX 21 AC3 LEU A 383 TYR A 418 1 36 HELIX 22 AC4 TYR A 418 GLY A 425 1 8 HELIX 23 AC5 TYR A 426 LEU A 444 1 19 HELIX 24 AC6 THR A 445 THR A 448 5 4 HELIX 25 AC7 GLY A 450 ALA A 462 1 13 HELIX 26 AC8 VAL A 466 ILE A 482 1 17 HELIX 27 AC9 GLY A 484 GLY A 497 1 14 HELIX 28 AD1 PRO A 502 VAL A 510 1 9 HELIX 29 AD2 VAL A 510 LYS A 526 1 17 HELIX 30 AD3 PRO A 539 THR A 568 1 30 HELIX 31 AD4 PRO A 571 THR A 581 1 11 SHEET 1 AA1 2 THR A 531 TYR A 532 0 SHEET 2 AA1 2 TYR A 536 VAL A 537 -1 N TYR A 536 O TYR A 532 SSBOND 1 CYS A 162 CYS A 171 1555 1555 2.05 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 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