HEADER MEMBRANE PROTEIN 26-SEP-25 9WXV TITLE CRYO-EM STRUCTURE OF TMEM63A-DIGITONIN-CHOLESTEROL COMPND MOL_ID: 1; COMPND 2 MOLECULE: MECHANOSENSITIVE CATION CHANNEL TMEM63A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRANSMEMBRANE PROTEIN 63A,HTMEM63A; 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: TMEM63A, KIAA0489, KIAA0792; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS ION CHANNELS, LIPID SCRAMBLASE, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Y.LIN,Z.ZHOU,Y.HAN,D.CHENG,H.WANG,L.JU,Y.ZHANG,D.C.COX,B.CORRY REVDAT 1 11-FEB-26 9WXV 0 JRNL AUTH Y.LIN,Z.ZHOU,Y.HAN,D.CHENG,H.WANG,L.A.JU,Y.ZHANG,C.D.COX, JRNL AUTH 2 B.CORRY JRNL TITL TMEM63 PROTEINS ACT AS MECHANICALLY ACTIVATED CHOLESTEROL JRNL TITL 2 MODULATED LIPID SCRAMBLASES CONTRIBUTING TO MEMBRANE JRNL TITL 3 MECHANO-RESILIENCE. JRNL REF NAT COMMUN 2026 JRNL REFN ESSN 2041-1723 JRNL PMID 41617699 JRNL DOI 10.1038/S41467-026-68919-X REMARK 2 REMARK 2 RESOLUTION. 4.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : GAUTOMATCH, CRYOSPARC 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) : 4.400 REMARK 3 NUMBER OF PARTICLES : 202829 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 9WXV COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-SEP-25. REMARK 100 THE DEPOSITION ID IS D_1300064065. 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 : TMEM63A WITH CHOLESTEROL 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 : 7.90 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 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1400.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2400.00 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) : 6390.00 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 MET A 2 REMARK 465 ASP A 3 REMARK 465 SER A 4 REMARK 465 PRO A 5 REMARK 465 PHE A 6 REMARK 465 LEU A 7 REMARK 465 GLU A 8 REMARK 465 ALA A 87 REMARK 465 ASP A 88 REMARK 465 SER A 89 REMARK 465 GLU A 90 REMARK 465 SER A 91 REMARK 465 ARG A 92 REMARK 465 PHE A 93 REMARK 465 GLN A 94 REMARK 465 ARG A 95 REMARK 465 LEU A 96 REMARK 465 SER A 97 REMARK 465 SER A 98 REMARK 465 THR A 99 REMARK 465 SER A 100 REMARK 465 SER A 101 REMARK 465 SER A 102 REMARK 465 GLY A 103 REMARK 465 GLN A 104 REMARK 465 GLN A 105 REMARK 465 ASP A 106 REMARK 465 PHE A 107 REMARK 465 GLU A 108 REMARK 465 ASN A 109 REMARK 465 GLU A 110 REMARK 465 LEU A 111 REMARK 465 GLY A 112 REMARK 465 CYS A 113 REMARK 465 CYS A 114 REMARK 465 PRO A 115 REMARK 465 TRP A 116 REMARK 465 LEU A 117 REMARK 465 THR A 118 REMARK 465 ALA A 119 REMARK 465 ILE A 120 REMARK 465 PHE A 121 REMARK 465 ARG A 122 REMARK 465 LEU A 123 REMARK 465 HIS A 124 REMARK 465 ASP A 125 REMARK 465 ASP A 126 REMARK 465 GLN A 127 REMARK 465 ILE A 128 REMARK 465 LEU A 129 REMARK 465 GLU A 130 REMARK 465 LEU A 225 REMARK 465 VAL A 226 REMARK 465 ARG A 227 REMARK 465 ARG A 228 REMARK 465 THR A 229 REMARK 465 LEU A 230 REMARK 465 PHE A 231 REMARK 465 ARG A 296 REMARK 465 THR A 297 REMARK 465 LEU A 298 REMARK 465 ILE A 299 REMARK 465 ASN A 300 REMARK 465 PRO A 301 REMARK 465 LYS A 302 REMARK 465 PRO A 303 REMARK 465 CYS A 304 REMARK 465 GLY A 305 REMARK 465 GLN A 306 REMARK 465 PHE A 307 REMARK 465 CYS A 308 REMARK 465 CYS A 309 REMARK 465 CYS A 310 REMARK 465 GLU A 311 REMARK 465 VAL A 312 REMARK 465 LEU A 313 REMARK 465 GLY A 314 REMARK 465 CYS A 315 REMARK 465 GLU A 316 REMARK 465 TRP A 317 REMARK 465 GLU A 318 REMARK 465 ASP A 319 REMARK 465 GLN A 373 REMARK 465 SER A 374 REMARK 465 LEU A 375 REMARK 465 GLN A 376 REMARK 465 CYS A 377 REMARK 465 LYS A 378 REMARK 465 GLY A 379 REMARK 465 GLU A 380 REMARK 465 PRO A 381 REMARK 465 CYS A 719 REMARK 465 PHE A 720 REMARK 465 LYS A 721 REMARK 465 HIS A 722 REMARK 465 LEU A 723 REMARK 465 SER A 724 REMARK 465 PRO A 725 REMARK 465 LEU A 726 REMARK 465 ASN A 727 REMARK 465 TYR A 728 REMARK 465 LYS A 729 REMARK 465 THR A 730 REMARK 465 GLU A 731 REMARK 465 GLU A 732 REMARK 465 PRO A 733 REMARK 465 ALA A 734 REMARK 465 SER A 735 REMARK 465 ASP A 736 REMARK 465 LYS A 737 REMARK 465 GLY A 738 REMARK 465 SER A 739 REMARK 465 GLU A 740 REMARK 465 ALA A 741 REMARK 465 GLU A 742 REMARK 465 ALA A 743 REMARK 465 HIS A 744 REMARK 465 MET A 745 REMARK 465 PRO A 746 REMARK 465 PRO A 747 REMARK 465 PRO A 748 REMARK 465 PHE A 749 REMARK 465 THR A 750 REMARK 465 PRO A 751 REMARK 465 TYR A 752 REMARK 465 VAL A 753 REMARK 465 PRO A 754 REMARK 465 ARG A 755 REMARK 465 ILE A 756 REMARK 465 LEU A 757 REMARK 465 ASN A 758 REMARK 465 GLY A 759 REMARK 465 LEU A 760 REMARK 465 ALA A 761 REMARK 465 SER A 762 REMARK 465 GLU A 763 REMARK 465 ARG A 764 REMARK 465 THR A 765 REMARK 465 ALA A 766 REMARK 465 LEU A 767 REMARK 465 SER A 768 REMARK 465 PRO A 769 REMARK 465 GLN A 770 REMARK 465 GLN A 771 REMARK 465 GLN A 772 REMARK 465 GLN A 773 REMARK 465 GLN A 774 REMARK 465 GLN A 775 REMARK 465 THR A 776 REMARK 465 TYR A 777 REMARK 465 GLY A 778 REMARK 465 ALA A 779 REMARK 465 ILE A 780 REMARK 465 HIS A 781 REMARK 465 ASN A 782 REMARK 465 ILE A 783 REMARK 465 SER A 784 REMARK 465 GLY A 785 REMARK 465 THR A 786 REMARK 465 ILE A 787 REMARK 465 PRO A 788 REMARK 465 GLY A 789 REMARK 465 GLN A 790 REMARK 465 CYS A 791 REMARK 465 LEU A 792 REMARK 465 ALA A 793 REMARK 465 GLN A 794 REMARK 465 SER A 795 REMARK 465 ALA A 796 REMARK 465 THR A 797 REMARK 465 GLY A 798 REMARK 465 SER A 799 REMARK 465 VAL A 800 REMARK 465 ALA A 801 REMARK 465 ALA A 802 REMARK 465 ALA A 803 REMARK 465 PRO A 804 REMARK 465 GLN A 805 REMARK 465 GLU A 806 REMARK 465 ALA A 807 REMARK 465 SER A 808 REMARK 465 ASN A 809 REMARK 465 SER A 810 REMARK 465 LEU A 811 REMARK 465 GLU A 812 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 10 36.11 -99.21 REMARK 500 TYR A 31 -70.81 -53.54 REMARK 500 CYS A 32 -44.40 -140.52 REMARK 500 TYR A 33 66.09 -104.38 REMARK 500 TRP A 76 -12.91 75.45 REMARK 500 VAL A 160 -62.50 -98.73 REMARK 500 ALA A 184 43.79 -141.64 REMARK 500 ASP A 189 -2.93 72.53 REMARK 500 GLU A 242 -163.46 -76.82 REMARK 500 THR A 243 71.98 63.75 REMARK 500 VAL A 244 137.46 -37.94 REMARK 500 TYR A 264 151.52 -49.89 REMARK 500 LEU A 289 -74.15 -81.37 REMARK 500 GLN A 290 -22.69 67.15 REMARK 500 LYS A 292 28.36 41.22 REMARK 500 LEU A 364 0.00 -65.07 REMARK 500 ARG A 388 68.65 -103.78 REMARK 500 ASP A 402 71.64 57.19 REMARK 500 ASN A 460 120.72 -32.05 REMARK 500 GLN A 465 -30.99 -131.68 REMARK 500 MET A 513 -71.79 -56.45 REMARK 500 ASP A 534 34.37 -91.50 REMARK 500 THR A 536 60.81 33.14 REMARK 500 LEU A 544 47.53 -82.93 REMARK 500 PHE A 548 -62.02 -101.69 REMARK 500 GLN A 552 38.83 -99.01 REMARK 500 ARG A 574 37.48 72.91 REMARK 500 LYS A 589 -7.54 73.85 REMARK 500 GLN A 601 53.93 -92.63 REMARK 500 TYR A 624 30.46 -90.21 REMARK 500 TYR A 654 67.35 61.89 REMARK 500 LEU A 690 14.17 55.72 REMARK 500 MET A 692 15.38 -140.25 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 ASP A 77 TYR A 78 -149.45 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-66358 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF TMEM63A-DIGITONIN-CHOLESTEROL DBREF 9WXV A 1 807 UNP O94886 TM63A_HUMAN 1 807 SEQADV 9WXV SER A 808 UNP O94886 EXPRESSION TAG SEQADV 9WXV ASN A 809 UNP O94886 EXPRESSION TAG SEQADV 9WXV SER A 810 UNP O94886 EXPRESSION TAG SEQADV 9WXV LEU A 811 UNP O94886 EXPRESSION TAG SEQADV 9WXV GLU A 812 UNP O94886 EXPRESSION TAG SEQRES 1 A 812 MET MET ASP SER PRO PHE LEU GLU LEU TRP GLN SER LYS SEQRES 2 A 812 ALA VAL SER ILE ARG GLU GLN LEU GLY LEU GLY ASP ARG SEQRES 3 A 812 PRO ASN ASP SER TYR CYS TYR ASN SER ALA LYS ASN SER SEQRES 4 A 812 THR VAL LEU GLN GLY VAL THR PHE GLY GLY ILE PRO THR SEQRES 5 A 812 VAL LEU LEU ILE ASP VAL SER CYS PHE LEU PHE LEU ILE SEQRES 6 A 812 LEU VAL PHE SER ILE ILE ARG ARG ARG PHE TRP ASP TYR SEQRES 7 A 812 GLY ARG ILE ALA LEU VAL SER GLU ALA ASP SER GLU SER SEQRES 8 A 812 ARG PHE GLN ARG LEU SER SER THR SER SER SER GLY GLN SEQRES 9 A 812 GLN ASP PHE GLU ASN GLU LEU GLY CYS CYS PRO TRP LEU SEQRES 10 A 812 THR ALA ILE PHE ARG LEU HIS ASP ASP GLN ILE LEU GLU SEQRES 11 A 812 TRP CYS GLY GLU ASP ALA ILE HIS TYR LEU SER PHE GLN SEQRES 12 A 812 ARG HIS ILE ILE PHE LEU LEU VAL VAL VAL SER PHE LEU SEQRES 13 A 812 SER LEU CYS VAL ILE LEU PRO VAL ASN LEU SER GLY ASP SEQRES 14 A 812 LEU LEU ASP LYS ASP PRO TYR SER PHE GLY ARG THR THR SEQRES 15 A 812 ILE ALA ASN LEU GLN THR ASP ASN ASP LEU LEU TRP LEU SEQRES 16 A 812 HIS THR ILE PHE ALA VAL ILE TYR LEU PHE LEU THR VAL SEQRES 17 A 812 GLY PHE MET ARG HIS HIS THR GLN SER ILE LYS TYR LYS SEQRES 18 A 812 GLU GLU ASN LEU VAL ARG ARG THR LEU PHE ILE THR GLY SEQRES 19 A 812 LEU PRO ARG ASP ALA ARG LYS GLU THR VAL GLU SER HIS SEQRES 20 A 812 PHE ARG ASP ALA TYR PRO THR CYS GLU VAL VAL ASP VAL SEQRES 21 A 812 GLN LEU CYS TYR ASN VAL ALA LYS LEU ILE TYR LEU CYS SEQRES 22 A 812 LYS GLU LYS LYS LYS THR GLU LYS SER LEU THR TYR TYR SEQRES 23 A 812 THR ASN LEU GLN VAL LYS THR GLY GLN ARG THR LEU ILE SEQRES 24 A 812 ASN PRO LYS PRO CYS GLY GLN PHE CYS CYS CYS GLU VAL SEQRES 25 A 812 LEU GLY CYS GLU TRP GLU ASP ALA ILE SER TYR TYR THR SEQRES 26 A 812 ARG MET LYS ASP ARG LEU LEU GLU ARG ILE THR GLU GLU SEQRES 27 A 812 GLU ARG HIS VAL GLN ASP GLN PRO LEU GLY MET ALA PHE SEQRES 28 A 812 VAL THR PHE GLN GLU LYS SER MET ALA THR TYR ILE LEU SEQRES 29 A 812 LYS ASP PHE ASN ALA CYS LYS CYS GLN SER LEU GLN CYS SEQRES 30 A 812 LYS GLY GLU PRO GLN PRO SER SER HIS SER ARG GLU LEU SEQRES 31 A 812 TYR THR SER LYS TRP THR VAL THR PHE ALA ALA ASP PRO SEQRES 32 A 812 GLU ASP ILE CYS TRP LYS ASN LEU SER ILE GLN GLY LEU SEQRES 33 A 812 ARG TRP TRP LEU GLN TRP LEU GLY ILE ASN PHE THR LEU SEQRES 34 A 812 PHE LEU GLY LEU PHE PHE LEU THR THR PRO SER ILE ILE SEQRES 35 A 812 LEU SER THR MET ASP LYS PHE ASN VAL THR LYS PRO ILE SEQRES 36 A 812 HIS ALA LEU ASN ASN PRO ILE ILE SER GLN PHE PHE PRO SEQRES 37 A 812 THR LEU LEU LEU TRP SER PHE SER ALA LEU LEU PRO SER SEQRES 38 A 812 ILE VAL TYR TYR SER THR LEU LEU GLU SER HIS TRP THR SEQRES 39 A 812 LYS SER GLY GLU ASN GLN ILE MET MET THR LYS VAL TYR SEQRES 40 A 812 ILE PHE LEU ILE PHE MET VAL LEU ILE LEU PRO SER LEU SEQRES 41 A 812 GLY LEU THR SER LEU ASP PHE PHE PHE ARG TRP LEU PHE SEQRES 42 A 812 ASP LYS THR SER SER GLU ALA SER ILE ARG LEU GLU CYS SEQRES 43 A 812 VAL PHE LEU PRO ASP GLN GLY ALA PHE PHE VAL ASN TYR SEQRES 44 A 812 VAL ILE ALA SER ALA PHE ILE GLY ASN GLY MET GLU LEU SEQRES 45 A 812 LEU ARG LEU PRO GLY LEU ILE LEU TYR THR PHE ARG MET SEQRES 46 A 812 ILE MET ALA LYS THR ALA ALA ASP ARG ARG ASN VAL LYS SEQRES 47 A 812 GLN ASN GLN ALA PHE GLN TYR GLU PHE GLY ALA MET TYR SEQRES 48 A 812 ALA TRP MET LEU CYS VAL PHE THR VAL ILE VAL ALA TYR SEQRES 49 A 812 SER ILE THR CYS PRO ILE ILE ALA PRO PHE GLY LEU ILE SEQRES 50 A 812 TYR ILE LEU LEU LYS HIS MET VAL ASP ARG HIS ASN LEU SEQRES 51 A 812 TYR PHE VAL TYR LEU PRO ALA LYS LEU GLU LYS GLY ILE SEQRES 52 A 812 HIS PHE ALA ALA VAL ASN GLN ALA LEU ALA ALA PRO ILE SEQRES 53 A 812 LEU CYS LEU PHE TRP LEU TYR PHE PHE SER PHE LEU ARG SEQRES 54 A 812 LEU GLY MET LYS ALA PRO ALA THR LEU PHE THR PHE LEU SEQRES 55 A 812 VAL LEU LEU LEU THR ILE LEU VAL CYS LEU ALA HIS THR SEQRES 56 A 812 CYS PHE GLY CYS PHE LYS HIS LEU SER PRO LEU ASN TYR SEQRES 57 A 812 LYS THR GLU GLU PRO ALA SER ASP LYS GLY SER GLU ALA SEQRES 58 A 812 GLU ALA HIS MET PRO PRO PRO PHE THR PRO TYR VAL PRO SEQRES 59 A 812 ARG ILE LEU ASN GLY LEU ALA SER GLU ARG THR ALA LEU SEQRES 60 A 812 SER PRO GLN GLN GLN GLN GLN GLN THR TYR GLY ALA ILE SEQRES 61 A 812 HIS ASN ILE SER GLY THR ILE PRO GLY GLN CYS LEU ALA SEQRES 62 A 812 GLN SER ALA THR GLY SER VAL ALA ALA ALA PRO GLN GLU SEQRES 63 A 812 ALA SER ASN SER LEU GLU HET CLR A 901 28 HET CLR A 902 28 HETNAM CLR CHOLESTEROL FORMUL 2 CLR 2(C27 H46 O) HELIX 1 AA1 SER A 12 GLU A 19 1 8 HELIX 2 AA2 GLY A 49 ILE A 71 1 23 HELIX 3 AA3 GLY A 133 SER A 167 1 35 HELIX 4 AA4 ASP A 191 ILE A 218 1 28 HELIX 5 AA5 HIS A 247 TYR A 252 1 6 HELIX 6 AA6 LYS A 268 THR A 287 1 20 HELIX 7 AA7 ILE A 321 MET A 349 1 29 HELIX 8 AA8 ILE A 363 CYS A 372 1 10 HELIX 9 AA9 GLY A 415 MET A 446 1 32 HELIX 10 AB1 ASP A 447 PHE A 449 5 3 HELIX 11 AB2 ASN A 460 GLN A 465 1 6 HELIX 12 AB3 GLN A 465 LEU A 478 1 14 HELIX 13 AB4 LEU A 478 GLU A 490 1 13 HELIX 14 AB5 THR A 494 ASP A 534 1 41 HELIX 15 AB6 GLY A 553 ARG A 574 1 22 HELIX 16 AB7 ARG A 574 MET A 587 1 14 HELIX 17 AB8 THR A 590 GLN A 601 1 12 HELIX 18 AB9 GLU A 606 TYR A 624 1 19 HELIX 19 AC1 ILE A 630 VAL A 653 1 24 HELIX 20 AC2 LYS A 661 ARG A 689 1 29 HELIX 21 AC3 ALA A 694 CYS A 716 1 23 SHEET 1 AA1 2 ARG A 237 ASP A 238 0 SHEET 2 AA1 2 GLU A 356 LYS A 357 -1 O GLU A 356 N ASP A 238 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 CONECT 5098 5099 5107 CONECT 5099 5098 5100 CONECT 5100 5099 5101 5125 CONECT 5101 5100 5102 CONECT 5102 5101 5103 5107 CONECT 5103 5102 5104 CONECT 5104 5103 5105 CONECT 5105 5104 5106 5111 CONECT 5106 5105 5107 5108 CONECT 5107 5098 5102 5106 5116 CONECT 5108 5106 5109 CONECT 5109 5108 5110 CONECT 5110 5109 5111 5114 5115 CONECT 5111 5105 5110 5112 CONECT 5112 5111 5113 CONECT 5113 5112 5114 CONECT 5114 5110 5113 5117 CONECT 5115 5110 CONECT 5116 5107 CONECT 5117 5114 5118 5119 CONECT 5118 5117 CONECT 5119 5117 5120 CONECT 5120 5119 5121 CONECT 5121 5120 5122 CONECT 5122 5121 5123 5124 CONECT 5123 5122 CONECT 5124 5122 CONECT 5125 5100 CONECT 5126 5127 5135 CONECT 5127 5126 5128 CONECT 5128 5127 5129 5153 CONECT 5129 5128 5130 CONECT 5130 5129 5131 5135 CONECT 5131 5130 5132 CONECT 5132 5131 5133 CONECT 5133 5132 5134 5139 CONECT 5134 5133 5135 5136 CONECT 5135 5126 5130 5134 5144 CONECT 5136 5134 5137 CONECT 5137 5136 5138 CONECT 5138 5137 5139 5142 5143 CONECT 5139 5133 5138 5140 CONECT 5140 5139 5141 CONECT 5141 5140 5142 CONECT 5142 5138 5141 5145 CONECT 5143 5138 CONECT 5144 5135 CONECT 5145 5142 5146 5147 CONECT 5146 5145 CONECT 5147 5145 5148 CONECT 5148 5147 5149 CONECT 5149 5148 5150 CONECT 5150 5149 5151 5152 CONECT 5151 5150 CONECT 5152 5150 CONECT 5153 5128 MASTER 352 0 2 21 2 0 0 6 5152 1 56 63 END