HEADER SIGNALING PROTEIN 20-MAY-25 9OPW TITLE STRUCTURE OF THE SWEET RECEPTOR IN THE APO STATE, EXTRACELLULAR DOMAIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TASTE RECEPTOR TYPE 1 MEMBER 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: G-PROTEIN COUPLED RECEPTOR 71,SWEET TASTE RECEPTOR T1R2; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: TASTE RECEPTOR TYPE 1 MEMBER 3; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: SACCHARIN PREFERENCE PROTEIN,SWEET TASTE RECEPTOR T1R3; COMPND 10 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: TAS1R2, GPR71, T1R2, TR2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 10 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 11 ORGANISM_TAXID: 10090; SOURCE 12 GENE: TAS1R3, SAC, T1R3, TR3; SOURCE 13 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS MEMBRANE PROTEIN, GPCR, APO STATE, SIGNALING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR H.WANG,X.CHEN,Y.DAI,C.H.LEE REVDAT 2 19-NOV-25 9OPW 1 JRNL REVDAT 1 03-SEP-25 9OPW 0 JRNL AUTH H.WANG,X.CHEN,Y.DAI,S.PIDATHALA,Y.NIU,C.ZHAO,S.LI,L.WANG, JRNL AUTH 2 C.H.LEE JRNL TITL STRUCTURE AND ACTIVATION MECHANISM OF HUMAN SWEET TASTE JRNL TITL 2 RECEPTOR. JRNL REF CELL RES. V. 35 775 2025 JRNL REFN ISSN 1001-0602 JRNL PMID 40754567 JRNL DOI 10.1038/S41422-025-01156-X REMARK 2 REMARK 2 RESOLUTION. 2.86 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) : 2.860 REMARK 3 NUMBER OF PARTICLES : 422847 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 9OPW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAY-25. REMARK 100 THE DEPOSITION ID IS D_1000296039. 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 TAS1R2 AND MOUSE TAS1R3 REMARK 245 SWEET RECEPTOR IN THE APO STATE 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 : 7.00 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) : 1100.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2100.00 REMARK 245 MINIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 MAXIMUM TILT ANGLE (DEGREES) : NULL REMARK 245 NOMINAL CS : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 6060.00 REMARK 245 ILLUMINATION MODE : OTHER 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 ASN A 44 REMARK 465 MET A 45 REMARK 465 LYS A 46 REMARK 465 GLY A 47 REMARK 465 ILE A 48 REMARK 465 VAL A 49 REMARK 465 HIS A 50 REMARK 465 LEU A 51 REMARK 465 TRP A 341 REMARK 465 GLY A 342 REMARK 465 PRO A 343 REMARK 465 GLN A 344 REMARK 465 ALA A 345 REMARK 465 GLY A 346 REMARK 465 PRO A 347 REMARK 465 PRO A 348 REMARK 465 PRO A 349 REMARK 465 LEU A 350 REMARK 465 SER A 351 REMARK 465 ARG A 352 REMARK 465 THR A 353 REMARK 465 SER A 354 REMARK 465 GLN A 355 REMARK 465 SER A 356 REMARK 465 TYR A 357 REMARK 465 SER A 372 REMARK 465 PHE A 373 REMARK 465 ASN A 374 REMARK 465 THR A 375 REMARK 465 ILE A 376 REMARK 465 LEU A 377 REMARK 465 ARG A 378 REMARK 465 LEU A 379 REMARK 465 SER A 380 REMARK 465 LEU B 354 REMARK 465 ASN B 355 REMARK 465 ALA B 356 REMARK 465 GLU B 357 REMARK 465 LEU B 358 REMARK 465 ASP B 359 REMARK 465 LEU B 360 REMARK 465 GLU B 361 REMARK 465 GLU B 362 REMARK 465 HIS B 363 REMARK 465 VAL B 364 REMARK 465 MET B 365 REMARK 465 GLY B 366 REMARK 465 SER B 389 REMARK 465 ALA B 390 REMARK 465 GLY B 391 REMARK 465 GLN B 392 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 TYR A 103 -119.21 41.36 REMARK 500 HIS A 117 -86.75 -123.03 REMARK 500 PRO A 141 -179.75 -62.67 REMARK 500 THR A 409 47.42 -140.94 REMARK 500 GLN A 546 -111.40 55.80 REMARK 500 CYS B 103 15.88 58.31 REMARK 500 MET B 310 1.22 -66.71 REMARK 500 THR B 320 137.13 179.18 REMARK 500 CYS B 369 88.99 -155.64 REMARK 500 TYR B 493 58.99 -94.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-70727 RELATED DB: EMDB REMARK 900 STRUCTURE OF THE SWEET RECEPTOR IN THE APO STATE, EXTRACELLULAR REMARK 900 DOMAIN DBREF 9OPW A 25 555 UNP Q8TE23 TS1R2_HUMAN 25 555 DBREF 9OPW B 23 563 UNP Q925D8 TS1R3_MOUSE 23 563 SEQADV 9OPW SER A 132 UNP Q8TE23 ILE 132 CONFLICT SEQADV 9OPW ASN A 212 UNP Q8TE23 SER 212 CONFLICT SEQADV 9OPW GLY A 231 UNP Q8TE23 ASP 231 CONFLICT SEQRES 1 A 531 SER ASP PHE TYR LEU PRO GLY ASP TYR LEU LEU GLY GLY SEQRES 2 A 531 LEU PHE SER LEU HIS ALA ASN MET LYS GLY ILE VAL HIS SEQRES 3 A 531 LEU ASN PHE LEU GLN VAL PRO MET CYS LYS GLU TYR GLU SEQRES 4 A 531 VAL LYS VAL ILE GLY TYR ASN LEU MET GLN ALA MET ARG SEQRES 5 A 531 PHE ALA VAL GLU GLU ILE ASN ASN ASP SER SER LEU LEU SEQRES 6 A 531 PRO GLY VAL LEU LEU GLY TYR GLU ILE VAL ASP VAL CYS SEQRES 7 A 531 TYR ILE SER ASN ASN VAL GLN PRO VAL LEU TYR PHE LEU SEQRES 8 A 531 ALA HIS GLU ASP ASN LEU LEU PRO ILE GLN GLU ASP TYR SEQRES 9 A 531 SER ASN TYR SER SER ARG VAL VAL ALA VAL ILE GLY PRO SEQRES 10 A 531 ASP ASN SER GLU SER VAL MET THR VAL ALA ASN PHE LEU SEQRES 11 A 531 SER LEU PHE LEU LEU PRO GLN ILE THR TYR SER ALA ILE SEQRES 12 A 531 SER ASP GLU LEU ARG ASP LYS VAL ARG PHE PRO ALA LEU SEQRES 13 A 531 LEU ARG THR THR PRO SER ALA ASP HIS HIS ILE GLU ALA SEQRES 14 A 531 MET VAL GLN LEU MET LEU HIS PHE ARG TRP ASN TRP ILE SEQRES 15 A 531 ILE VAL LEU VAL SER ASN ASP THR TYR GLY ARG ASP ASN SEQRES 16 A 531 GLY GLN LEU LEU GLY GLU ARG VAL ALA ARG ARG GLY ILE SEQRES 17 A 531 CYS ILE ALA PHE GLN GLU THR LEU PRO THR LEU GLN PRO SEQRES 18 A 531 ASN GLN ASN MET THR SER GLU GLU ARG GLN ARG LEU VAL SEQRES 19 A 531 THR ILE VAL ASP LYS LEU GLN GLN SER THR ALA ARG VAL SEQRES 20 A 531 VAL VAL VAL PHE SER PRO ASP LEU THR LEU TYR HIS PHE SEQRES 21 A 531 PHE ASN GLU VAL LEU ARG GLN ASN PHE THR GLY ALA VAL SEQRES 22 A 531 TRP ILE ALA SER GLU SER TRP ALA ILE ASP PRO VAL LEU SEQRES 23 A 531 HIS ASN LEU THR GLU LEU ARG HIS LEU GLY THR PHE LEU SEQRES 24 A 531 GLY ILE THR ILE GLN SER VAL PRO ILE PRO GLY PHE SER SEQRES 25 A 531 GLU PHE ARG GLU TRP GLY PRO GLN ALA GLY PRO PRO PRO SEQRES 26 A 531 LEU SER ARG THR SER GLN SER TYR THR CYS ASN GLN GLU SEQRES 27 A 531 CYS ASP ASN CYS LEU ASN ALA THR LEU SER PHE ASN THR SEQRES 28 A 531 ILE LEU ARG LEU SER GLY GLU ARG VAL VAL TYR SER VAL SEQRES 29 A 531 TYR SER ALA VAL TYR ALA VAL ALA HIS ALA LEU HIS SER SEQRES 30 A 531 LEU LEU GLY CYS ASP LYS SER THR CYS THR LYS ARG VAL SEQRES 31 A 531 VAL TYR PRO TRP GLN LEU LEU GLU GLU ILE TRP LYS VAL SEQRES 32 A 531 ASN PHE THR LEU LEU ASP HIS GLN ILE PHE PHE ASP PRO SEQRES 33 A 531 GLN GLY ASP VAL ALA LEU HIS LEU GLU ILE VAL GLN TRP SEQRES 34 A 531 GLN TRP ASP ARG SER GLN ASN PRO PHE GLN SER VAL ALA SEQRES 35 A 531 SER TYR TYR PRO LEU GLN ARG GLN LEU LYS ASN ILE GLN SEQRES 36 A 531 ASP ILE SER TRP HIS THR ILE ASN ASN THR ILE PRO MET SEQRES 37 A 531 SER MET CYS SER LYS ARG CYS GLN SER GLY GLN LYS LYS SEQRES 38 A 531 LYS PRO VAL GLY ILE HIS VAL CYS CYS PHE GLU CYS ILE SEQRES 39 A 531 ASP CYS LEU PRO GLY THR PHE LEU ASN HIS THR GLU ASP SEQRES 40 A 531 GLU TYR GLU CYS GLN ALA CYS PRO ASN ASN GLU TRP SER SEQRES 41 A 531 TYR GLN SER GLU THR SER CYS PHE LYS ARG GLN SEQRES 1 B 541 LEU CYS LEU SER GLN GLN PHE LYS ALA GLN GLY ASP TYR SEQRES 2 B 541 ILE LEU GLY GLY LEU PHE PRO LEU GLY SER THR GLU GLU SEQRES 3 B 541 ALA THR LEU ASN GLN ARG THR GLN PRO ASN SER ILE PRO SEQRES 4 B 541 CYS ASN ARG PHE SER PRO LEU GLY LEU PHE LEU ALA MET SEQRES 5 B 541 ALA MET LYS MET ALA VAL GLU GLU ILE ASN ASN GLY SER SEQRES 6 B 541 ALA LEU LEU PRO GLY LEU ARG LEU GLY TYR ASP LEU PHE SEQRES 7 B 541 ASP THR CYS SER GLU PRO VAL VAL THR MET LYS SER SER SEQRES 8 B 541 LEU MET PHE LEU ALA LYS VAL GLY SER GLN SER ILE ALA SEQRES 9 B 541 ALA TYR CYS ASN TYR THR GLN TYR GLN PRO ARG VAL LEU SEQRES 10 B 541 ALA VAL ILE GLY PRO HIS SER SER GLU LEU ALA LEU ILE SEQRES 11 B 541 THR GLY LYS PHE PHE SER PHE PHE LEU MET PRO GLN VAL SEQRES 12 B 541 SER TYR SER ALA SER MET ASP ARG LEU SER ASP ARG GLU SEQRES 13 B 541 THR PHE PRO SER PHE PHE ARG THR VAL PRO SER ASP ARG SEQRES 14 B 541 VAL GLN LEU GLN ALA VAL VAL THR LEU LEU GLN ASN PHE SEQRES 15 B 541 SER TRP ASN TRP VAL ALA ALA LEU GLY SER ASP ASP ASP SEQRES 16 B 541 TYR GLY ARG GLU GLY LEU SER ILE PHE SER SER LEU ALA SEQRES 17 B 541 ASN ALA ARG GLY ILE CYS ILE ALA HIS GLU GLY LEU VAL SEQRES 18 B 541 PRO GLN HIS ASP THR SER GLY GLN GLN LEU GLY LYS VAL SEQRES 19 B 541 LEU ASP VAL LEU ARG GLN VAL ASN GLN SER LYS VAL GLN SEQRES 20 B 541 VAL VAL VAL LEU PHE ALA SER ALA ARG ALA VAL TYR SER SEQRES 21 B 541 LEU PHE SER TYR SER ILE HIS HIS GLY LEU SER PRO LYS SEQRES 22 B 541 VAL TRP VAL ALA SER GLU SER TRP LEU THR SER ASP LEU SEQRES 23 B 541 VAL MET THR LEU PRO ASN ILE ALA ARG VAL GLY THR VAL SEQRES 24 B 541 LEU GLY PHE LEU GLN ARG GLY ALA LEU LEU PRO GLU PHE SEQRES 25 B 541 SER HIS TYR VAL GLU THR HIS LEU ALA LEU ALA ALA ASP SEQRES 26 B 541 PRO ALA PHE CYS ALA SER LEU ASN ALA GLU LEU ASP LEU SEQRES 27 B 541 GLU GLU HIS VAL MET GLY GLN ARG CYS PRO ARG CYS ASP SEQRES 28 B 541 ASP ILE MET LEU GLN ASN LEU SER SER GLY LEU LEU GLN SEQRES 29 B 541 ASN LEU SER ALA GLY GLN LEU HIS HIS GLN ILE PHE ALA SEQRES 30 B 541 THR TYR ALA ALA VAL TYR SER VAL ALA GLN ALA LEU HIS SEQRES 31 B 541 ASN THR LEU GLN CYS ASN VAL SER HIS CYS HIS VAL SER SEQRES 32 B 541 GLU HIS VAL LEU PRO TRP GLN LEU LEU GLU ASN MET TYR SEQRES 33 B 541 ASN MET SER PHE HIS ALA ARG ASP LEU THR LEU GLN PHE SEQRES 34 B 541 ASP ALA GLU GLY ASN VAL ASP MET GLU TYR ASP LEU LYS SEQRES 35 B 541 MET TRP VAL TRP GLN SER PRO THR PRO VAL LEU HIS THR SEQRES 36 B 541 VAL GLY THR PHE ASN GLY THR LEU GLN LEU GLN GLN SER SEQRES 37 B 541 LYS MET TYR TRP PRO GLY ASN GLN VAL PRO VAL SER GLN SEQRES 38 B 541 CYS SER ARG GLN CYS LYS ASP GLY GLN VAL ARG ARG VAL SEQRES 39 B 541 LYS GLY PHE HIS SER CYS CYS TYR ASP CYS VAL ASP CYS SEQRES 40 B 541 LYS ALA GLY SER TYR ARG LYS HIS PRO ASP ASP PHE THR SEQRES 41 B 541 CYS THR PRO CYS ASN GLN ASP GLN TRP SER PRO GLU LYS SEQRES 42 B 541 SER THR ALA CYS LEU PRO ARG ARG HELIX 1 AA1 MET A 58 TYR A 62 5 5 HELIX 2 AA2 LYS A 65 ASP A 85 1 21 HELIX 3 AA3 CYS A 102 ASN A 106 5 5 HELIX 4 AA4 ASN A 107 ALA A 116 1 10 HELIX 5 AA5 HIS A 117 ASP A 119 5 3 HELIX 6 AA6 ASN A 143 SER A 155 1 13 HELIX 7 AA7 SER A 168 ASP A 173 5 6 HELIX 8 AA8 SER A 186 PHE A 201 1 16 HELIX 9 AA9 ASP A 213 ARG A 230 1 18 HELIX 10 AB1 THR A 250 SER A 267 1 18 HELIX 11 AB2 PRO A 277 LEU A 279 5 3 HELIX 12 AB3 THR A 280 GLN A 291 1 12 HELIX 13 AB4 ASP A 307 ASN A 312 1 6 HELIX 14 AB5 LEU A 313 HIS A 318 5 6 HELIX 15 AB6 GLY A 334 GLU A 340 1 7 HELIX 16 AB7 ASN A 365 LEU A 371 1 7 HELIX 17 AB8 GLU A 382 LEU A 403 1 22 HELIX 18 AB9 TYR A 416 TRP A 425 1 10 HELIX 19 AC1 LEU B 25 GLN B 28 5 4 HELIX 20 AC2 GLU B 47 LEU B 51 5 5 HELIX 21 AC3 SER B 66 GLY B 86 1 21 HELIX 22 AC4 GLU B 105 ALA B 118 1 14 HELIX 23 AC5 ASN B 130 TYR B 134 5 5 HELIX 24 AC6 SER B 146 LEU B 161 1 16 HELIX 25 AC7 MET B 171 ASP B 176 5 6 HELIX 26 AC8 SER B 189 PHE B 204 1 16 HELIX 27 AC9 ASP B 216 ARG B 233 1 18 HELIX 28 AD1 SER B 249 SER B 266 1 18 HELIX 29 AD2 SER B 276 GLY B 291 1 16 HELIX 30 AD3 SER B 300 THR B 305 1 6 HELIX 31 AD4 LEU B 308 LEU B 312 5 5 HELIX 32 AD5 ASN B 314 VAL B 318 5 5 HELIX 33 AD6 GLU B 333 ALA B 346 1 14 HELIX 34 AD7 ASP B 347 ALA B 352 1 6 HELIX 35 AD8 CYS B 369 ILE B 375 5 7 HELIX 36 AD9 MET B 376 LEU B 380 5 5 HELIX 37 AE1 SER B 381 GLN B 386 1 6 HELIX 38 AE2 HIS B 394 LEU B 415 1 22 HELIX 39 AE3 LEU B 429 TYR B 438 1 10 HELIX 40 AE4 GLN B 489 MET B 492 5 4 SHEET 1 AA1 6 TYR A 28 LEU A 29 0 SHEET 2 AA1 6 LEU A 94 ASP A 100 -1 O TYR A 96 N LEU A 29 SHEET 3 AA1 6 TYR A 33 PHE A 39 1 N LEU A 35 O GLU A 97 SHEET 4 AA1 6 ALA A 137 ILE A 139 1 O ILE A 139 N GLY A 36 SHEET 5 AA1 6 GLN A 161 THR A 163 1 O ILE A 162 N VAL A 138 SHEET 6 AA1 6 LEU A 180 ARG A 182 1 O LEU A 181 N GLN A 161 SHEET 1 AA2 2 LEU A 121 PRO A 123 0 SHEET 2 AA2 2 SER B 124 ALA B 126 -1 O ILE B 125 N LEU A 122 SHEET 1 AA3 8 CYS A 233 THR A 239 0 SHEET 2 AA3 8 TRP A 205 VAL A 210 1 N ILE A 206 O ALA A 235 SHEET 3 AA3 8 VAL A 271 PHE A 275 1 O VAL A 273 N LEU A 209 SHEET 4 AA3 8 ALA A 296 ALA A 300 1 O ILE A 299 N VAL A 272 SHEET 5 AA3 8 GLY A 320 ILE A 327 1 O THR A 321 N TRP A 298 SHEET 6 AA3 8 LEU A 448 TRP A 453 -1 O GLU A 449 N THR A 326 SHEET 7 AA3 8 PHE A 462 TYR A 469 -1 O VAL A 465 N ILE A 450 SHEET 8 AA3 8 GLN A 474 LYS A 476 -1 O LYS A 476 N SER A 467 SHEET 1 AA4 2 ASN A 428 LEU A 431 0 SHEET 2 AA4 2 HIS A 434 PHE A 437 -1 O HIS A 434 N LEU A 431 SHEET 1 AA5 2 GLN A 503 PRO A 507 0 SHEET 2 AA5 2 PHE A 515 ASP A 519 -1 O GLU A 516 N LYS A 506 SHEET 1 AA6 2 THR A 524 PHE A 525 0 SHEET 2 AA6 2 GLN A 536 ALA A 537 -1 O GLN A 536 N PHE A 525 SHEET 1 AA7 2 GLU A 542 TRP A 543 0 SHEET 2 AA7 2 PHE A 552 LYS A 553 -1 O PHE A 552 N TRP A 543 SHEET 1 AA8 6 LYS B 30 ALA B 31 0 SHEET 2 AA8 6 LEU B 95 ASP B 101 -1 O TYR B 97 N ALA B 31 SHEET 3 AA8 6 TYR B 35 PHE B 41 1 N TYR B 35 O GLY B 96 SHEET 4 AA8 6 ALA B 140 ILE B 142 1 O ALA B 140 N GLY B 38 SHEET 5 AA8 6 GLN B 164 SER B 166 1 O VAL B 165 N VAL B 141 SHEET 6 AA8 6 PHE B 183 ARG B 185 1 O PHE B 184 N GLN B 164 SHEET 1 AA9 2 GLY B 44 SER B 45 0 SHEET 2 AA9 2 ARG B 64 PHE B 65 -1 O ARG B 64 N SER B 45 SHEET 1 AB1 8 CYS B 236 VAL B 243 0 SHEET 2 AB1 8 TRP B 208 SER B 214 1 N VAL B 209 O ALA B 238 SHEET 3 AB1 8 VAL B 270 PHE B 274 1 O VAL B 272 N LEU B 212 SHEET 4 AB1 8 VAL B 296 ALA B 299 1 O VAL B 296 N VAL B 271 SHEET 5 AB1 8 VAL B 321 GLN B 326 1 O LEU B 322 N ALA B 299 SHEET 6 AB1 8 TYR B 461 VAL B 467 -1 O ASP B 462 N LEU B 325 SHEET 7 AB1 8 VAL B 474 PHE B 481 -1 O VAL B 478 N LEU B 463 SHEET 8 AB1 8 LEU B 485 LEU B 487 -1 O GLN B 486 N THR B 480 SHEET 1 AB2 2 PHE B 442 ALA B 444 0 SHEET 2 AB2 2 LEU B 447 LEU B 449 -1 O LEU B 447 N ALA B 444 SHEET 1 AB3 2 GLN B 512 VAL B 513 0 SHEET 2 AB3 2 VAL B 527 ASP B 528 -1 O VAL B 527 N VAL B 513 SHEET 1 AB4 2 VAL B 516 LYS B 517 0 SHEET 2 AB4 2 CYS B 523 TYR B 524 -1 O CYS B 523 N LYS B 517 SHEET 1 AB5 2 SER B 533 TYR B 534 0 SHEET 2 AB5 2 THR B 544 PRO B 545 -1 O THR B 544 N TYR B 534 SHEET 1 AB6 2 GLN B 550 TRP B 551 0 SHEET 2 AB6 2 LEU B 560 PRO B 561 -1 O LEU B 560 N TRP B 551 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 4007 GLN A 555 TER 8108 ARG B 563 MASTER 186 0 0 40 50 0 0 6 8106 2 0 83 END