HEADER MEMBRANE PROTEIN 26-JAN-26 22WP TITLE LOCAL REIFNEMENT OF 5HT2AR-MINIGQ HETEROTRIMER IN COMPLEX WITH A TITLE 2 PSYCHEDELIC PSILOCIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5-HYDROXYTRYPTAMINE RECEPTOR 2A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 5-HT-2,5-HT-2A,SEROTONIN RECEPTOR 2A; 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: HTR2A, HTR2; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS GPCR, SEROTONIN RECEPTOR, MEMBRANE PROTEIN, 5HT2AR EXPDTA ELECTRON MICROSCOPY AUTHOR L.TANG,X.JI,J.CHENG,S.WANG REVDAT 1 16-SEP-26 22WP 0 JRNL AUTH L.TANG,X.JI,Y.WANG,D.CAO,H.LI,L.HE,J.CHENG,S.WANG JRNL TITL MECHANISTIC BASIS FOR 5-HT2AR OVER 5-HT2BR ACTIVATION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.33 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CCP4 PACKAGE 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) : 3.330 REMARK 3 NUMBER OF PARTICLES : 216915 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 22WP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 28-JAN-26. REMARK 100 THE DEPOSITION ID IS D_1300069118. 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 : LOCAL REFINEMENT OF 5-HT2A REMARK 245 RECEPTOR BOUND TO PSILOCIN IN REMARK 245 COMPLEX WITH A MINI-GQ PROTEIN REMARK 245 AND AN ACTIVE-STATE STABILIZING REMARK 245 SINGLE-CHAIN VARIABLE FRAGMENT REMARK 245 (SCFV16) OBTAINED BY CRYO- REMARK 245 ELECTRON MICROSCOPY (CRYOEM) 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 : 7.40 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 : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 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 : 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLY A 59 REMARK 465 PRO A 60 REMARK 465 GLY A 61 REMARK 465 SER A 62 REMARK 465 GLY A 63 REMARK 465 SER A 64 REMARK 465 GLY A 65 REMARK 465 LEU A 66 REMARK 465 SER A 67 REMARK 465 LEU A 68 REMARK 465 LEU A 69 REMARK 465 HIS A 70 REMARK 465 LEU A 71 REMARK 465 GLN A 72 REMARK 465 GLU A 73 REMARK 465 LYS A 74 REMARK 465 ASN A 75 REMARK 465 TRP A 76 REMARK 465 SER A 77 REMARK 465 ALA A 78 REMARK 465 GLU A 264 REMARK 465 ALA A 265 REMARK 465 THR A 266 REMARK 465 LEU A 267 REMARK 465 CYS A 268 REMARK 465 VAL A 269 REMARK 465 SER A 270 REMARK 465 ASP A 271 REMARK 465 LEU A 272 REMARK 465 GLY A 273 REMARK 465 THR A 274 REMARK 465 ARG A 275 REMARK 465 ALA A 276 REMARK 465 LYS A 277 REMARK 465 LEU A 278 REMARK 465 ALA A 279 REMARK 465 SER A 280 REMARK 465 PHE A 281 REMARK 465 SER A 282 REMARK 465 PHE A 283 REMARK 465 LEU A 284 REMARK 465 PRO A 285 REMARK 465 GLN A 286 REMARK 465 SER A 287 REMARK 465 SER A 288 REMARK 465 LEU A 289 REMARK 465 SER A 290 REMARK 465 SER A 291 REMARK 465 GLU A 292 REMARK 465 LYS A 293 REMARK 465 LEU A 294 REMARK 465 PHE A 295 REMARK 465 GLN A 296 REMARK 465 ARG A 297 REMARK 465 SER A 298 REMARK 465 ILE A 299 REMARK 465 HIS A 300 REMARK 465 ARG A 301 REMARK 465 GLU A 302 REMARK 465 PRO A 303 REMARK 465 GLY A 304 REMARK 465 SER A 305 REMARK 465 TYR A 306 REMARK 465 THR A 307 REMARK 465 GLY A 308 REMARK 465 ARG A 309 REMARK 465 ARG A 310 REMARK 465 THR A 311 REMARK 465 MET A 312 REMARK 465 GLN A 313 REMARK 465 SER A 314 REMARK 465 ILE A 315 REMARK 465 CYS A 349 REMARK 465 LYS A 350 REMARK 465 GLU A 351 REMARK 465 SER A 352 REMARK 465 CYS A 353 REMARK 465 ARG A 393 REMARK 465 TYR A 394 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 LEU A 79 CG CD1 CD2 REMARK 470 LEU A 80 CG CD1 CD2 REMARK 470 VAL A 83 CG1 CG2 REMARK 470 ILE A 85 CG1 CG2 CD1 REMARK 470 THR A 88 OG1 CG2 REMARK 470 ILE A 89 CG1 CG2 CD1 REMARK 470 ILE A 93 CG1 CG2 CD1 REMARK 470 ILE A 96 CD1 REMARK 470 MET A 97 CG SD CE REMARK 470 SER A 100 OG REMARK 470 LEU A 101 CG CD1 CD2 REMARK 470 GLU A 102 CG CD OE1 OE2 REMARK 470 LYS A 103 CG CD CE NZ REMARK 470 LYS A 104 CG CD CE NZ REMARK 470 ASN A 107 CG OD1 ND2 REMARK 470 THR A 109 OG1 CG2 REMARK 470 ASN A 110 CG OD1 ND2 REMARK 470 TYR A 111 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 MET A 114 CE REMARK 470 MET A 121 CG SD CE REMARK 470 LEU A 122 CG CD1 CD2 REMARK 470 PHE A 125 CG CD1 CD2 CE1 CE2 CZ REMARK 470 MET A 128 CG SD CE REMARK 470 MET A 132 CG SD CE REMARK 470 LEU A 133 CG CD1 CD2 REMARK 470 ILE A 135 CG1 CG2 CD1 REMARK 470 LEU A 136 CG CD1 CD2 REMARK 470 TYR A 139 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 140 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 143 CG CD1 CD2 REMARK 470 SER A 145 OG REMARK 470 LYS A 146 CG CD CE NZ REMARK 470 LEU A 147 CG CD1 CD2 REMARK 470 VAL A 150 CG1 CG2 REMARK 470 ILE A 152 CD1 REMARK 470 SER A 170 OG REMARK 470 VAL A 175 CG1 CG2 REMARK 470 GLN A 178 CG CD OE1 NE2 REMARK 470 HIS A 182 CG ND1 CD2 CE1 NE2 REMARK 470 SER A 184 OG REMARK 470 PHE A 186 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASN A 187 CG OD1 ND2 REMARK 470 ARG A 189 CG CD NE CZ NH1 NH2 REMARK 470 THR A 190 OG1 CG2 REMARK 470 LYS A 191 CG CD CE NZ REMARK 470 PHE A 193 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LEU A 194 CG CD1 CD2 REMARK 470 LYS A 195 CG CD CE NZ REMARK 470 ILE A 196 CD1 REMARK 470 ILE A 197 CG1 CG2 CD1 REMARK 470 ILE A 202 CD1 REMARK 470 ILE A 206 CD1 REMARK 470 SER A 207 OG REMARK 470 MET A 208 CG SD CE REMARK 470 GLN A 216 CG CD OE1 NE2 REMARK 470 ASP A 217 CG OD1 OD2 REMARK 470 ASP A 218 CG OD1 OD2 REMARK 470 SER A 219 OG REMARK 470 LYS A 220 CG CD CE NZ REMARK 470 LYS A 223 CG CD CE NZ REMARK 470 GLU A 224 CG CD OE1 OE2 REMARK 470 SER A 226 OG REMARK 470 LEU A 228 CG CD1 CD2 REMARK 470 ASP A 231 CG OD1 OD2 REMARK 470 ASP A 232 CG OD1 OD2 REMARK 470 ASN A 233 CG OD1 ND2 REMARK 470 VAL A 235 CG1 CG2 REMARK 470 LEU A 236 CG CD1 CD2 REMARK 470 ILE A 237 CG1 CG2 CD1 REMARK 470 ILE A 245 CG1 CG2 CD1 REMARK 470 THR A 248 OG1 CG2 REMARK 470 ILE A 249 CG1 CG2 CD1 REMARK 470 PHE A 255 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 259 CG CD CE NZ REMARK 470 SER A 260 OG REMARK 470 GLN A 262 CG CD OE1 NE2 REMARK 470 LYS A 263 CG CD CE NZ REMARK 470 ASN A 317 CG OD1 ND2 REMARK 470 GLU A 318 CG CD OE1 OE2 REMARK 470 GLN A 319 CG CD OE1 NE2 REMARK 470 LYS A 320 CG CD CE NZ REMARK 470 LYS A 323 CG CD CE NZ REMARK 470 ILE A 327 CD1 REMARK 470 VAL A 334 CG1 CG2 REMARK 470 MET A 335 CE REMARK 470 ILE A 341 CG1 CG2 CD1 REMARK 470 THR A 342 OG1 CG2 REMARK 470 ILE A 344 CD1 REMARK 470 MET A 345 CG SD CE REMARK 470 VAL A 347 CG1 CG2 REMARK 470 ILE A 348 CG1 CG2 CD1 REMARK 470 ASN A 354 CG OD1 ND2 REMARK 470 GLU A 355 CG CD OE1 OE2 REMARK 470 ASP A 356 CG OD1 OD2 REMARK 470 VAL A 357 CG1 CG2 REMARK 470 ILE A 368 CG1 CG2 CD1 REMARK 470 SER A 373 OG REMARK 470 LYS A 385 CG CD CE NZ REMARK 470 SER A 389 OG REMARK 470 SER A 392 OG 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 VAL A 127 -52.72 -124.63 REMARK 500 TYR A 139 8.74 54.78 REMARK 500 PHE A 243 -55.49 -124.55 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-68735 RELATED DB: EMDB REMARK 900 LOCAL REIFNEMENT OF 5HT2AR-MINIGQ HETEROTRIMER IN COMPLEX WITH A REMARK 900 PSYCHEDELIC PSILOCIN DBREF 22WP A 66 394 UNP P28223 5HT2A_HUMAN 66 394 SEQADV 22WP GLY A 59 UNP P28223 EXPRESSION TAG SEQADV 22WP PRO A 60 UNP P28223 EXPRESSION TAG SEQADV 22WP GLY A 61 UNP P28223 EXPRESSION TAG SEQADV 22WP SER A 62 UNP P28223 EXPRESSION TAG SEQADV 22WP GLY A 63 UNP P28223 EXPRESSION TAG SEQADV 22WP SER A 64 UNP P28223 EXPRESSION TAG SEQADV 22WP GLY A 65 UNP P28223 EXPRESSION TAG SEQRES 1 A 336 GLY PRO GLY SER GLY SER GLY LEU SER LEU LEU HIS LEU SEQRES 2 A 336 GLN GLU LYS ASN TRP SER ALA LEU LEU THR ALA VAL VAL SEQRES 3 A 336 ILE ILE LEU THR ILE ALA GLY ASN ILE LEU VAL ILE MET SEQRES 4 A 336 ALA VAL SER LEU GLU LYS LYS LEU GLN ASN ALA THR ASN SEQRES 5 A 336 TYR PHE LEU MET SER LEU ALA ILE ALA ASP MET LEU LEU SEQRES 6 A 336 GLY PHE LEU VAL MET PRO VAL SER MET LEU THR ILE LEU SEQRES 7 A 336 TYR GLY TYR ARG TRP PRO LEU PRO SER LYS LEU CYS ALA SEQRES 8 A 336 VAL TRP ILE TYR LEU ASP VAL LEU PHE SER THR ALA SER SEQRES 9 A 336 ILE MET HIS LEU CYS ALA ILE SER LEU ASP ARG TYR VAL SEQRES 10 A 336 ALA ILE GLN ASN PRO ILE HIS HIS SER ARG PHE ASN SER SEQRES 11 A 336 ARG THR LYS ALA PHE LEU LYS ILE ILE ALA VAL TRP THR SEQRES 12 A 336 ILE SER VAL GLY ILE SER MET PRO ILE PRO VAL PHE GLY SEQRES 13 A 336 LEU GLN ASP ASP SER LYS VAL PHE LYS GLU GLY SER CYS SEQRES 14 A 336 LEU LEU ALA ASP ASP ASN PHE VAL LEU ILE GLY SER PHE SEQRES 15 A 336 VAL SER PHE PHE ILE PRO LEU THR ILE MET VAL ILE THR SEQRES 16 A 336 TYR PHE LEU THR ILE LYS SER LEU GLN LYS GLU ALA THR SEQRES 17 A 336 LEU CYS VAL SER ASP LEU GLY THR ARG ALA LYS LEU ALA SEQRES 18 A 336 SER PHE SER PHE LEU PRO GLN SER SER LEU SER SER GLU SEQRES 19 A 336 LYS LEU PHE GLN ARG SER ILE HIS ARG GLU PRO GLY SER SEQRES 20 A 336 TYR THR GLY ARG ARG THR MET GLN SER ILE SER ASN GLU SEQRES 21 A 336 GLN LYS ALA CYS LYS VAL LEU GLY ILE VAL PHE PHE LEU SEQRES 22 A 336 PHE VAL VAL MET TRP CYS PRO PHE PHE ILE THR ASN ILE SEQRES 23 A 336 MET ALA VAL ILE CYS LYS GLU SER CYS ASN GLU ASP VAL SEQRES 24 A 336 ILE GLY ALA LEU LEU ASN VAL PHE VAL TRP ILE GLY TYR SEQRES 25 A 336 LEU SER SER ALA VAL ASN PRO LEU VAL TYR THR LEU PHE SEQRES 26 A 336 ASN LYS THR TYR ARG SER ALA PHE SER ARG TYR HET 91Q A 900 15 HETNAM 91Q 3-[2-(DIMETHYLAMINO)ETHYL]-1~{H}-INDOL-4-OL FORMUL 2 91Q C12 H16 N2 O HELIX 1 AA1 THR A 81 GLU A 102 1 22 HELIX 2 AA2 ASN A 107 VAL A 127 1 21 HELIX 3 AA3 VAL A 127 TYR A 137 1 11 HELIX 4 AA4 PRO A 144 ASN A 179 1 36 HELIX 5 AA5 ASN A 179 ASN A 187 1 9 HELIX 6 AA6 SER A 188 MET A 208 1 21 HELIX 7 AA7 MET A 208 GLN A 216 1 9 HELIX 8 AA8 ASP A 217 VAL A 221 5 5 HELIX 9 AA9 ASP A 231 PHE A 243 1 13 HELIX 10 AB1 PHE A 243 LYS A 263 1 21 HELIX 11 AB2 ASN A 317 ILE A 348 1 32 HELIX 12 AB3 GLU A 355 LEU A 382 1 28 HELIX 13 AB4 ASN A 384 SER A 392 1 9 SSBOND 1 CYS A 148 CYS A 227 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 433 973 CONECT 973 433 CONECT 1736 1743 1744 1745 CONECT 1737 1738 1745 CONECT 1738 1737 1739 1741 CONECT 1739 1738 1746 CONECT 1740 1741 1746 1749 CONECT 1741 1738 1740 1747 CONECT 1742 1747 1748 CONECT 1743 1736 CONECT 1744 1736 CONECT 1745 1736 1737 CONECT 1746 1739 1740 CONECT 1747 1741 1742 1750 CONECT 1748 1742 1749 CONECT 1749 1740 1748 CONECT 1750 1747 MASTER 319 0 1 13 0 0 0 6 1749 1 17 26 END