HEADER TRANSPORT PROTEIN 11-OCT-24 9DXP TITLE CRYO-EM STRUCTURE OF HUMAN OATP1C1 IN COMPLEX WITH THYROID HORMONE T4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SOLUTE CARRIER ORGANIC ANION TRANSPORTER FAMILY MEMBER 1C1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ORGANIC ANION TRANSPORTER 1C1,OATP1C1,ORGANIC ANION COMPND 5 TRANSPORTER F,OATP-F,ORGANIC ANION TRANSPORTER POLYPEPTIDE-RELATED COMPND 6 PROTEIN 5,OAT-RP-5,OATP-RP5,ORGANIC ANION-TRANSPORTING POLYPEPTIDE COMPND 7 14,OATP-14,SOLUTE CARRIER FAMILY 21 MEMBER 14,THYROXINE TRANSPORTER; COMPND 8 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: SLCO1C1, OATP14, OATP1C1, OATPF, SLC21A14; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS SLC TRANSPORTER, THYROID HORMONE, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Y.GE,T.DOU,J.JIANG,P.HUANG REVDAT 3 15-OCT-25 9DXP 1 JRNL REVDAT 2 30-JUL-25 9DXP 1 JRNL REVDAT 1 16-JUL-25 9DXP 0 JRNL AUTH Y.GE,T.DOU,T.U.NGUYEN,G.P.YADAV,T.G.WENSEL,J.JIANG,P.HUANG JRNL TITL STRUCTURAL INSIGHTS INTO BRAIN THYROID HORMONE TRANSPORT VIA JRNL TITL 2 MCT8 AND OATP1C1. JRNL REF CELL V. 188 5576 2025 JRNL REFN ISSN 1097-4172 JRNL PMID 40680733 JRNL DOI 10.1016/J.CELL.2025.06.032 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.300 REMARK 3 NUMBER OF PARTICLES : 454807 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 9DXP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-OCT-24. REMARK 100 THE DEPOSITION ID IS D_1000288972. 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 OATP1C1 IN COMPLEX WITH REMARK 245 THYROID HORMONE T4 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 : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 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 : 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 MET A 1 REMARK 465 ASP A 2 REMARK 465 THR A 3 REMARK 465 SER A 4 REMARK 465 SER A 5 REMARK 465 LYS A 6 REMARK 465 GLU A 7 REMARK 465 ASN A 8 REMARK 465 ILE A 9 REMARK 465 GLN A 10 REMARK 465 LEU A 11 REMARK 465 PHE A 12 REMARK 465 CYS A 13 REMARK 465 LYS A 14 REMARK 465 THR A 15 REMARK 465 SER A 16 REMARK 465 VAL A 17 REMARK 465 GLN A 18 REMARK 465 PRO A 19 REMARK 465 VAL A 20 REMARK 465 GLY A 21 REMARK 465 ARG A 22 REMARK 465 PRO A 23 REMARK 465 SER A 24 REMARK 465 PHE A 25 REMARK 465 LYS A 26 REMARK 465 THR A 27 REMARK 465 GLU A 28 REMARK 465 TYR A 29 REMARK 465 PRO A 30 REMARK 465 SER A 31 REMARK 465 SER A 32 REMARK 465 GLU A 33 REMARK 465 GLU A 34 REMARK 465 LYS A 35 REMARK 465 GLN A 36 REMARK 465 PRO A 37 REMARK 465 CYS A 38 REMARK 465 CYS A 39 REMARK 465 TYR A 141 REMARK 465 SER A 142 REMARK 465 PRO A 143 REMARK 465 SER A 144 REMARK 465 SER A 145 REMARK 465 ASN A 146 REMARK 465 SER A 147 REMARK 465 THR A 148 REMARK 465 LEU A 149 REMARK 465 SER A 150 REMARK 465 ILE A 151 REMARK 465 SER A 152 REMARK 465 PRO A 153 REMARK 465 CYS A 154 REMARK 465 LEU A 155 REMARK 465 LEU A 156 REMARK 465 GLU A 157 REMARK 465 SER A 158 REMARK 465 SER A 159 REMARK 465 SER A 160 REMARK 465 GLN A 161 REMARK 465 LEU A 162 REMARK 465 PRO A 163 REMARK 465 VAL A 164 REMARK 465 SER A 165 REMARK 465 VAL A 166 REMARK 465 MET A 167 REMARK 465 GLU A 168 REMARK 465 LYS A 169 REMARK 465 SER A 170 REMARK 465 LYS A 171 REMARK 465 SER A 172 REMARK 465 LYS A 173 REMARK 465 ILE A 174 REMARK 465 SER A 175 REMARK 465 ASN A 176 REMARK 465 GLU A 177 REMARK 465 CYS A 178 REMARK 465 GLU A 179 REMARK 465 VAL A 180 REMARK 465 ASP A 181 REMARK 465 THR A 182 REMARK 465 SER A 183 REMARK 465 ARG A 301 REMARK 465 SER A 302 REMARK 465 GLN A 303 REMARK 465 SER A 304 REMARK 465 ARG A 305 REMARK 465 GLU A 306 REMARK 465 ASP A 307 REMARK 465 SER A 308 REMARK 465 ASN A 309 REMARK 465 SER A 310 REMARK 465 SER A 311 REMARK 465 SER A 312 REMARK 465 GLU A 313 REMARK 465 LYS A 314 REMARK 465 SER A 315 REMARK 465 LYS A 316 REMARK 465 PHE A 317 REMARK 465 ILE A 318 REMARK 465 ILE A 319 REMARK 465 ASP A 320 REMARK 465 ASP A 321 REMARK 465 HIS A 322 REMARK 465 THR A 323 REMARK 465 ASP A 324 REMARK 465 TYR A 325 REMARK 465 GLN A 326 REMARK 465 THR A 327 REMARK 465 PRO A 328 REMARK 465 GLN A 329 REMARK 465 GLY A 330 REMARK 465 GLU A 331 REMARK 465 ASN A 332 REMARK 465 ALA A 527 REMARK 465 ALA A 528 REMARK 465 SER A 529 REMARK 465 LYS A 530 REMARK 465 SER A 531 REMARK 465 GLY A 532 REMARK 465 ASN A 533 REMARK 465 TYR A 668 REMARK 465 VAL A 669 REMARK 465 SER A 670 REMARK 465 LYS A 671 REMARK 465 HIS A 672 REMARK 465 ARG A 673 REMARK 465 SER A 674 REMARK 465 PHE A 675 REMARK 465 ILE A 676 REMARK 465 THR A 677 REMARK 465 LYS A 678 REMARK 465 ARG A 679 REMARK 465 GLU A 680 REMARK 465 ARG A 681 REMARK 465 THR A 682 REMARK 465 MET A 683 REMARK 465 VAL A 684 REMARK 465 SER A 685 REMARK 465 THR A 686 REMARK 465 ARG A 687 REMARK 465 PHE A 688 REMARK 465 GLN A 689 REMARK 465 LYS A 690 REMARK 465 GLU A 691 REMARK 465 ASN A 692 REMARK 465 TYR A 693 REMARK 465 THR A 694 REMARK 465 THR A 695 REMARK 465 SER A 696 REMARK 465 ASP A 697 REMARK 465 HIS A 698 REMARK 465 LEU A 699 REMARK 465 LEU A 700 REMARK 465 GLN A 701 REMARK 465 PRO A 702 REMARK 465 ASN A 703 REMARK 465 TYR A 704 REMARK 465 TRP A 705 REMARK 465 PRO A 706 REMARK 465 GLY A 707 REMARK 465 LYS A 708 REMARK 465 GLU A 709 REMARK 465 THR A 710 REMARK 465 GLN A 711 REMARK 465 LEU A 712 REMARK 465 ALA A 713 REMARK 465 ALA A 714 REMARK 465 ALA A 715 REMARK 465 LEU A 716 REMARK 465 GLU A 717 REMARK 465 VAL A 718 REMARK 465 LEU A 719 REMARK 465 PHE A 720 REMARK 465 GLN A 721 REMARK 465 GLY A 722 REMARK 465 PRO A 723 REMARK 465 GLY A 724 REMARK 465 ALA A 725 REMARK 465 ALA A 726 REMARK 465 GLU A 727 REMARK 465 ASP A 728 REMARK 465 GLN A 729 REMARK 465 VAL A 730 REMARK 465 ASP A 731 REMARK 465 PRO A 732 REMARK 465 ARG A 733 REMARK 465 LEU A 734 REMARK 465 ILE A 735 REMARK 465 ASP A 736 REMARK 465 GLY A 737 REMARK 465 LYS A 738 REMARK 465 HIS A 739 REMARK 465 HIS A 740 REMARK 465 HIS A 741 REMARK 465 HIS A 742 REMARK 465 HIS A 743 REMARK 465 HIS A 744 REMARK 465 HIS A 745 REMARK 465 HIS A 746 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 LYS A 463 -179.95 -69.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 LYS A 463 PRO A 464 -137.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-47294 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN OATP1C1 IN COMPLEX WITH THYROID HORMONE REMARK 900 T4 DBREF 9DXP A 1 712 UNP Q9NYB5 SO1C1_HUMAN 1 712 SEQADV 9DXP ALA A 713 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ALA A 714 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ALA A 715 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP LEU A 716 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLU A 717 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP VAL A 718 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP LEU A 719 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP PHE A 720 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLN A 721 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLY A 722 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP PRO A 723 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLY A 724 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ALA A 725 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ALA A 726 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLU A 727 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ASP A 728 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLN A 729 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP VAL A 730 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ASP A 731 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP PRO A 732 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ARG A 733 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP LEU A 734 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ILE A 735 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP ASP A 736 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP GLY A 737 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP LYS A 738 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 739 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 740 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 741 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 742 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 743 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 744 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 745 UNP Q9NYB5 EXPRESSION TAG SEQADV 9DXP HIS A 746 UNP Q9NYB5 EXPRESSION TAG SEQRES 1 A 746 MET ASP THR SER SER LYS GLU ASN ILE GLN LEU PHE CYS SEQRES 2 A 746 LYS THR SER VAL GLN PRO VAL GLY ARG PRO SER PHE LYS SEQRES 3 A 746 THR GLU TYR PRO SER SER GLU GLU LYS GLN PRO CYS CYS SEQRES 4 A 746 GLY GLU LEU LYS VAL PHE LEU CYS ALA LEU SER PHE VAL SEQRES 5 A 746 TYR PHE ALA LYS ALA LEU ALA GLU GLY TYR LEU LYS SER SEQRES 6 A 746 THR ILE THR GLN ILE GLU ARG ARG PHE ASP ILE PRO SER SEQRES 7 A 746 SER LEU VAL GLY VAL ILE ASP GLY SER PHE GLU ILE GLY SEQRES 8 A 746 ASN LEU LEU VAL ILE THR PHE VAL SER TYR PHE GLY ALA SEQRES 9 A 746 LYS LEU HIS ARG PRO LYS ILE ILE GLY ALA GLY CYS VAL SEQRES 10 A 746 ILE MET GLY VAL GLY THR LEU LEU ILE ALA MET PRO GLN SEQRES 11 A 746 PHE PHE MET GLU GLN TYR LYS TYR GLU ARG TYR SER PRO SEQRES 12 A 746 SER SER ASN SER THR LEU SER ILE SER PRO CYS LEU LEU SEQRES 13 A 746 GLU SER SER SER GLN LEU PRO VAL SER VAL MET GLU LYS SEQRES 14 A 746 SER LYS SER LYS ILE SER ASN GLU CYS GLU VAL ASP THR SEQRES 15 A 746 SER SER SER MET TRP ILE TYR VAL PHE LEU GLY ASN LEU SEQRES 16 A 746 LEU ARG GLY ILE GLY GLU THR PRO ILE GLN PRO LEU GLY SEQRES 17 A 746 ILE ALA TYR LEU ASP ASP PHE ALA SER GLU ASP ASN ALA SEQRES 18 A 746 ALA PHE TYR ILE GLY CYS VAL GLN THR VAL ALA ILE ILE SEQRES 19 A 746 GLY PRO ILE PHE GLY PHE LEU LEU GLY SER LEU CYS ALA SEQRES 20 A 746 LYS LEU TYR VAL ASP ILE GLY PHE VAL ASN LEU ASP HIS SEQRES 21 A 746 ILE THR ILE THR PRO LYS ASP PRO GLN TRP VAL GLY ALA SEQRES 22 A 746 TRP TRP LEU GLY TYR LEU ILE ALA GLY ILE ILE SER LEU SEQRES 23 A 746 LEU ALA ALA VAL PRO PHE TRP TYR LEU PRO LYS SER LEU SEQRES 24 A 746 PRO ARG SER GLN SER ARG GLU ASP SER ASN SER SER SER SEQRES 25 A 746 GLU LYS SER LYS PHE ILE ILE ASP ASP HIS THR ASP TYR SEQRES 26 A 746 GLN THR PRO GLN GLY GLU ASN ALA LYS ILE MET GLU MET SEQRES 27 A 746 ALA ARG ASP PHE LEU PRO SER LEU LYS ASN LEU PHE GLY SEQRES 28 A 746 ASN PRO VAL TYR PHE LEU TYR LEU CYS THR SER THR VAL SEQRES 29 A 746 GLN PHE ASN SER LEU PHE GLY MET VAL THR TYR LYS PRO SEQRES 30 A 746 LYS TYR ILE GLU GLN GLN TYR GLY GLN SER SER SER ARG SEQRES 31 A 746 ALA ASN PHE VAL ILE GLY LEU ILE ASN ILE PRO ALA VAL SEQRES 32 A 746 ALA LEU GLY ILE PHE SER GLY GLY ILE VAL MET LYS LYS SEQRES 33 A 746 PHE ARG ILE SER VAL CYS GLY ALA ALA LYS LEU TYR LEU SEQRES 34 A 746 GLY SER SER VAL PHE GLY TYR LEU LEU PHE LEU SER LEU SEQRES 35 A 746 PHE ALA LEU GLY CYS GLU ASN SER ASP VAL ALA GLY LEU SEQRES 36 A 746 THR VAL SER TYR GLN GLY THR LYS PRO VAL SER TYR HIS SEQRES 37 A 746 GLU ARG ALA LEU PHE SER ASP CYS ASN SER ARG CYS LYS SEQRES 38 A 746 CYS SER GLU THR LYS TRP GLU PRO MET CYS GLY GLU ASN SEQRES 39 A 746 GLY ILE THR TYR VAL SER ALA CYS LEU ALA GLY CYS GLN SEQRES 40 A 746 THR SER ASN ARG SER GLY LYS ASN ILE ILE PHE TYR ASN SEQRES 41 A 746 CYS THR CYS VAL GLY ILE ALA ALA SER LYS SER GLY ASN SEQRES 42 A 746 SER SER GLY ILE VAL GLY ARG CYS GLN LYS ASP ASN GLY SEQRES 43 A 746 CYS PRO GLN MET PHE LEU TYR PHE LEU VAL ILE SER VAL SEQRES 44 A 746 ILE THR SER TYR THR LEU SER LEU GLY GLY ILE PRO GLY SEQRES 45 A 746 TYR ILE LEU LEU LEU ARG CYS ILE LYS PRO GLN LEU LYS SEQRES 46 A 746 SER PHE ALA LEU GLY ILE TYR THR LEU ALA ILE ARG VAL SEQRES 47 A 746 LEU ALA GLY ILE PRO ALA PRO VAL TYR PHE GLY VAL LEU SEQRES 48 A 746 ILE ASP THR SER CYS LEU LYS TRP GLY PHE LYS ARG CYS SEQRES 49 A 746 GLY SER ARG GLY SER CYS ARG LEU TYR ASP SER ASN VAL SEQRES 50 A 746 PHE ARG HIS ILE TYR LEU GLY LEU THR VAL ILE LEU GLY SEQRES 51 A 746 THR VAL SER ILE LEU LEU SER ILE ALA VAL LEU PHE ILE SEQRES 52 A 746 LEU LYS LYS ASN TYR VAL SER LYS HIS ARG SER PHE ILE SEQRES 53 A 746 THR LYS ARG GLU ARG THR MET VAL SER THR ARG PHE GLN SEQRES 54 A 746 LYS GLU ASN TYR THR THR SER ASP HIS LEU LEU GLN PRO SEQRES 55 A 746 ASN TYR TRP PRO GLY LYS GLU THR GLN LEU ALA ALA ALA SEQRES 56 A 746 LEU GLU VAL LEU PHE GLN GLY PRO GLY ALA ALA GLU ASP SEQRES 57 A 746 GLN VAL ASP PRO ARG LEU ILE ASP GLY LYS HIS HIS HIS SEQRES 58 A 746 HIS HIS HIS HIS HIS HET T44 A 801 24 HET Y01 A 802 35 HETNAM T44 3,5,3',5'-TETRAIODO-L-THYRONINE HETNAM Y01 CHOLESTEROL HEMISUCCINATE FORMUL 2 T44 C15 H11 I4 N O4 FORMUL 3 Y01 C31 H50 O4 FORMUL 4 HOH *2(H2 O) HELIX 1 AA1 GLY A 40 ASP A 75 1 36 HELIX 2 AA2 PRO A 77 GLY A 103 1 27 HELIX 3 AA3 HIS A 107 MET A 128 1 22 HELIX 4 AA4 PRO A 129 PHE A 132 5 4 HELIX 5 AA5 MET A 186 THR A 202 1 17 HELIX 6 AA6 PRO A 203 ALA A 216 1 14 HELIX 7 AA7 SER A 217 LYS A 248 1 32 HELIX 8 AA8 ASN A 257 ILE A 261 5 5 HELIX 9 AA9 ALA A 273 ALA A 289 1 17 HELIX 10 AB1 VAL A 290 TYR A 294 5 5 HELIX 11 AB2 LYS A 334 GLY A 351 1 18 HELIX 12 AB3 ASN A 352 TYR A 375 1 24 HELIX 13 AB4 TYR A 375 GLY A 385 1 11 HELIX 14 AB5 SER A 387 ILE A 398 1 12 HELIX 15 AB6 ILE A 398 PHE A 417 1 20 HELIX 16 AB7 SER A 420 SER A 441 1 22 HELIX 17 AB8 LEU A 442 LEU A 445 5 4 HELIX 18 AB9 SER A 474 SER A 478 5 5 HELIX 19 AC1 ALA A 501 GLY A 505 5 5 HELIX 20 AC2 CYS A 521 ILE A 526 1 6 HELIX 21 AC3 GLY A 546 LEU A 567 1 22 HELIX 22 AC4 GLY A 568 CYS A 579 1 12 HELIX 23 AC5 LYS A 581 GLN A 583 5 3 HELIX 24 AC6 LEU A 584 ALA A 600 1 17 HELIX 25 AC7 ILE A 602 THR A 614 1 13 HELIX 26 AC8 ASP A 634 ASN A 667 1 34 SHEET 1 AA1 5 THR A 497 TYR A 498 0 SHEET 2 AA1 5 MET A 490 GLY A 492 -1 N MET A 490 O TYR A 498 SHEET 3 AA1 5 SER A 535 VAL A 538 -1 O ILE A 537 N CYS A 491 SHEET 4 AA1 5 ASN A 515 TYR A 519 -1 N PHE A 518 O GLY A 536 SHEET 5 AA1 5 THR A 508 SER A 512 -1 N ASN A 510 O ILE A 517 SHEET 1 AA2 2 CYS A 616 PHE A 621 0 SHEET 2 AA2 2 ARG A 627 TYR A 633 -1 O GLY A 628 N GLY A 620 SSBOND 1 CYS A 447 CYS A 547 1555 1555 2.04 SSBOND 2 CYS A 476 CYS A 523 1555 1555 2.03 SSBOND 3 CYS A 482 CYS A 502 1555 1555 2.03 SSBOND 4 CYS A 491 CYS A 541 1555 1555 2.03 SSBOND 5 CYS A 506 CYS A 521 1555 1555 2.03 SSBOND 6 CYS A 616 CYS A 630 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 CONECT 2595 3286 CONECT 2817 3171 CONECT 2863 3014 CONECT 2938 3242 CONECT 3014 2863 CONECT 3037 3158 CONECT 3158 3037 CONECT 3171 2817 CONECT 3242 2938 CONECT 3286 2595 CONECT 3816 3925 CONECT 3925 3816 CONECT 4224 4225 4229 4230 CONECT 4225 4224 4226 CONECT 4226 4225 4227 4244 CONECT 4227 4226 4228 4240 CONECT 4228 4227 4229 4246 CONECT 4229 4224 4228 CONECT 4230 4224 4231 CONECT 4231 4230 4232 4239 CONECT 4232 4231 4242 4243 CONECT 4233 4234 4238 4240 CONECT 4234 4233 4235 CONECT 4235 4234 4236 4245 CONECT 4236 4235 4237 4241 CONECT 4237 4236 4238 4247 CONECT 4238 4233 4237 CONECT 4239 4231 CONECT 4240 4227 4233 CONECT 4241 4236 CONECT 4242 4232 CONECT 4243 4232 CONECT 4244 4226 CONECT 4245 4235 CONECT 4246 4228 CONECT 4247 4237 CONECT 4248 4249 CONECT 4249 4248 4250 4251 CONECT 4250 4249 CONECT 4251 4249 4252 CONECT 4252 4251 4253 CONECT 4253 4252 4254 CONECT 4254 4253 4255 4256 CONECT 4255 4254 CONECT 4256 4254 4257 4260 CONECT 4257 4256 4258 CONECT 4258 4257 4259 CONECT 4259 4258 4260 4265 CONECT 4260 4256 4259 4261 4262 CONECT 4261 4260 CONECT 4262 4260 4263 CONECT 4263 4262 4264 CONECT 4264 4263 4265 4270 CONECT 4265 4259 4264 4266 CONECT 4266 4265 4267 CONECT 4267 4266 4268 CONECT 4268 4267 4269 4270 CONECT 4269 4268 4274 CONECT 4270 4264 4268 4271 4272 CONECT 4271 4270 CONECT 4272 4270 4273 CONECT 4273 4272 4274 CONECT 4274 4269 4273 4275 CONECT 4275 4274 4276 CONECT 4276 4275 4277 4278 CONECT 4277 4276 CONECT 4278 4276 4279 CONECT 4279 4278 4280 CONECT 4280 4279 4281 4282 CONECT 4281 4280 CONECT 4282 4280 MASTER 337 0 2 26 7 0 0 6 4283 1 71 58 END