HEADER MEMBRANE PROTEIN 26-FEB-25 9M1H TITLE CRYO-EM STRUCTURE OF PGE2-EP1-GQ COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROSTAGLANDIN E2 RECEPTOR EP1 SUBTYPE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PGE RECEPTOR EP1 SUBTYPE,PGE2 RECEPTOR EP1 SUBTYPE, COMPND 5 PROSTANOID EP1 RECEPTOR; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I) SUBUNIT ALPHA-1, COMPND 9 GUANINE NUCLEOTIDE-BINDING PROTEIN G(S) SUBUNIT ALPHA ISOFORMS SHORT, COMPND 10 GUANINE NUCLEOTIDE-BINDING PROTEIN G(Q) SUBUNIT ALPHA; COMPND 11 CHAIN: B; COMPND 12 SYNONYM: ADENYLATE CYCLASE-INHIBITING G ALPHA PROTEIN,ADENYLATE COMPND 13 CYCLASE-STIMULATING G ALPHA PROTEIN,GUANINE NUCLEOTIDE-BINDING COMPND 14 PROTEIN ALPHA-Q; COMPND 15 EC: 3.6.5.-; COMPND 16 ENGINEERED: YES; COMPND 17 MOL_ID: 3; COMPND 18 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(T) SUBUNIT COMPND 19 BETA-1; COMPND 20 CHAIN: C; COMPND 21 SYNONYM: TRANSDUCIN BETA CHAIN 1; COMPND 22 ENGINEERED: YES; COMPND 23 MOL_ID: 4; COMPND 24 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT COMPND 25 GAMMA-2; COMPND 26 CHAIN: G; COMPND 27 SYNONYM: G GAMMA-I; COMPND 28 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: PTGER1; SOURCE 6 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: GNAI1, GNAS, GNAS1, GSP, GNAQ, GAQ; SOURCE 13 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 17 ORGANISM_COMMON: HUMAN; SOURCE 18 ORGANISM_TAXID: 9606; SOURCE 19 GENE: GNB1; SOURCE 20 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 7111; SOURCE 22 MOL_ID: 4; SOURCE 23 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 24 ORGANISM_COMMON: HUMAN; SOURCE 25 ORGANISM_TAXID: 9606; SOURCE 26 GENE: GNG2; SOURCE 27 EXPRESSION_SYSTEM: TRICHOPLUSIA NI; SOURCE 28 EXPRESSION_SYSTEM_TAXID: 7111 KEYWDS GPCR, EP1, PGE2, GQ, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR X.MENG,Y.XU,H.E.XU REVDAT 2 12-NOV-25 9M1H 1 JRNL REVDAT 1 30-APR-25 9M1H 0 JRNL AUTH X.MENG,Y.LI,J.XU,K.WU,W.HU,C.WU,H.E.XU,Y.XU JRNL TITL STRUCTURAL INSIGHTS INTO THE ACTIVATION OF THE HUMAN JRNL TITL 2 PROSTAGLANDIN E 2 RECEPTOR EP1 SUBTYPE BY PROSTAGLANDIN E 2. JRNL REF PROC.NATL.ACAD.SCI.USA V. 122 40122 2025 JRNL REFN ESSN 1091-6490 JRNL PMID 40366695 JRNL DOI 10.1073/PNAS.2423840122 REMARK 2 REMARK 2 RESOLUTION. 2.55 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) : 2.550 REMARK 3 NUMBER OF PARTICLES : 543885 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9M1H COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 28-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1300053280. 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 : PGE2-EP1-GQ COMPLEX 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 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 5000.00 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) : 3000.00 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, G 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 SER A 2 REMARK 465 PRO A 3 REMARK 465 CYS A 4 REMARK 465 GLY A 5 REMARK 465 PRO A 6 REMARK 465 LEU A 7 REMARK 465 ASN A 8 REMARK 465 LEU A 9 REMARK 465 SER A 10 REMARK 465 LEU A 11 REMARK 465 ALA A 12 REMARK 465 GLY A 13 REMARK 465 GLU A 14 REMARK 465 ALA A 15 REMARK 465 THR A 16 REMARK 465 THR A 17 REMARK 465 CYS A 18 REMARK 465 ALA A 19 REMARK 465 ALA A 20 REMARK 465 PRO A 21 REMARK 465 TRP A 22 REMARK 465 VAL A 23 REMARK 465 PRO A 24 REMARK 465 ASN A 25 REMARK 465 THR A 26 REMARK 465 SER A 27 REMARK 465 ALA A 28 REMARK 465 VAL A 29 REMARK 465 PRO A 30 REMARK 465 PRO A 31 REMARK 465 SER A 32 REMARK 465 GLY A 33 REMARK 465 ARG A 240 REMARK 465 PRO A 241 REMARK 465 PRO A 242 REMARK 465 PRO A 243 REMARK 465 ALA A 244 REMARK 465 SER A 245 REMARK 465 GLY A 246 REMARK 465 PRO A 247 REMARK 465 ASP A 248 REMARK 465 SER A 249 REMARK 465 ARG A 250 REMARK 465 ARG A 251 REMARK 465 ARG A 252 REMARK 465 TRP A 253 REMARK 465 GLY A 254 REMARK 465 ALA A 255 REMARK 465 HIS A 256 REMARK 465 GLY A 257 REMARK 465 PRO A 258 REMARK 465 ARG A 259 REMARK 465 SER A 260 REMARK 465 ALA A 261 REMARK 465 SER A 262 REMARK 465 ALA A 263 REMARK 465 SER A 264 REMARK 465 SER A 265 REMARK 465 ALA A 266 REMARK 465 SER A 267 REMARK 465 SER A 268 REMARK 465 ILE A 269 REMARK 465 ALA A 270 REMARK 465 SER A 271 REMARK 465 ALA A 272 REMARK 465 SER A 273 REMARK 465 THR A 274 REMARK 465 PHE A 275 REMARK 465 PHE A 276 REMARK 465 GLY A 277 REMARK 465 GLY A 278 REMARK 465 SER A 279 REMARK 465 ARG A 280 REMARK 465 SER A 281 REMARK 465 SER A 282 REMARK 465 GLY A 283 REMARK 465 SER A 284 REMARK 465 ALA A 285 REMARK 465 ARG A 286 REMARK 465 PRO A 367 REMARK 465 PRO A 368 REMARK 465 ARG A 369 REMARK 465 ALA A 370 REMARK 465 GLY A 371 REMARK 465 ALA A 372 REMARK 465 LYS A 373 REMARK 465 GLY A 374 REMARK 465 GLY A 375 REMARK 465 PRO A 376 REMARK 465 ALA A 377 REMARK 465 GLY A 378 REMARK 465 LEU A 379 REMARK 465 GLY A 380 REMARK 465 LEU A 381 REMARK 465 THR A 382 REMARK 465 PRO A 383 REMARK 465 SER A 384 REMARK 465 ALA A 385 REMARK 465 TRP A 386 REMARK 465 GLU A 387 REMARK 465 ALA A 388 REMARK 465 SER A 389 REMARK 465 SER A 390 REMARK 465 LEU A 391 REMARK 465 ARG A 392 REMARK 465 SER A 393 REMARK 465 SER A 394 REMARK 465 ARG A 395 REMARK 465 HIS A 396 REMARK 465 SER A 397 REMARK 465 GLY A 398 REMARK 465 LEU A 399 REMARK 465 SER A 400 REMARK 465 HIS A 401 REMARK 465 PHE A 402 REMARK 465 MET B 1 REMARK 465 GLY B 2 REMARK 465 CYS B 3 REMARK 465 THR B 4 REMARK 465 TYR B 56 REMARK 465 HIS B 57 REMARK 465 VAL B 58 REMARK 465 ASN B 59 REMARK 465 GLY B 60 REMARK 465 TYR B 61 REMARK 465 SER B 62 REMARK 465 GLU B 63 REMARK 465 GLU B 64 REMARK 465 GLU B 65 REMARK 465 CYS B 66 REMARK 465 LYS B 67 REMARK 465 GLN B 68 REMARK 465 TYR B 69 REMARK 465 LYS B 70 REMARK 465 ALA B 71 REMARK 465 VAL B 72 REMARK 465 VAL B 73 REMARK 465 TYR B 74 REMARK 465 SER B 75 REMARK 465 ASN B 76 REMARK 465 THR B 77 REMARK 465 ILE B 78 REMARK 465 GLN B 79 REMARK 465 SER B 80 REMARK 465 ILE B 81 REMARK 465 ILE B 82 REMARK 465 ALA B 83 REMARK 465 ILE B 84 REMARK 465 ILE B 85 REMARK 465 ARG B 86 REMARK 465 ALA B 87 REMARK 465 MET B 88 REMARK 465 GLY B 89 REMARK 465 ARG B 90 REMARK 465 LEU B 91 REMARK 465 LYS B 92 REMARK 465 ILE B 93 REMARK 465 ASP B 94 REMARK 465 PHE B 95 REMARK 465 GLY B 96 REMARK 465 ASP B 97 REMARK 465 SER B 98 REMARK 465 ALA B 99 REMARK 465 ARG B 100 REMARK 465 ALA B 101 REMARK 465 ASP B 102 REMARK 465 ASP B 103 REMARK 465 ALA B 104 REMARK 465 ARG B 105 REMARK 465 GLN B 106 REMARK 465 LEU B 107 REMARK 465 PHE B 108 REMARK 465 VAL B 109 REMARK 465 LEU B 110 REMARK 465 ALA B 111 REMARK 465 GLY B 112 REMARK 465 ALA B 113 REMARK 465 ALA B 114 REMARK 465 GLU B 115 REMARK 465 GLU B 116 REMARK 465 GLY B 117 REMARK 465 PHE B 118 REMARK 465 MET B 119 REMARK 465 THR B 120 REMARK 465 ALA B 121 REMARK 465 GLU B 122 REMARK 465 LEU B 123 REMARK 465 ALA B 124 REMARK 465 GLY B 125 REMARK 465 VAL B 126 REMARK 465 ILE B 127 REMARK 465 LYS B 128 REMARK 465 ARG B 129 REMARK 465 LEU B 130 REMARK 465 TRP B 131 REMARK 465 LYS B 132 REMARK 465 ASP B 133 REMARK 465 SER B 134 REMARK 465 GLY B 135 REMARK 465 VAL B 136 REMARK 465 GLN B 137 REMARK 465 ALA B 138 REMARK 465 CYS B 139 REMARK 465 PHE B 140 REMARK 465 ASN B 141 REMARK 465 ARG B 142 REMARK 465 SER B 143 REMARK 465 ARG B 144 REMARK 465 GLU B 145 REMARK 465 TYR B 146 REMARK 465 GLN B 147 REMARK 465 LEU B 148 REMARK 465 ASN B 149 REMARK 465 ASP B 150 REMARK 465 SER B 151 REMARK 465 ALA B 152 REMARK 465 ALA B 153 REMARK 465 TYR B 154 REMARK 465 TYR B 155 REMARK 465 LEU B 156 REMARK 465 ASN B 157 REMARK 465 ASP B 158 REMARK 465 LEU B 159 REMARK 465 ASP B 160 REMARK 465 ARG B 161 REMARK 465 ILE B 162 REMARK 465 ALA B 163 REMARK 465 GLN B 164 REMARK 465 PRO B 165 REMARK 465 ASN B 166 REMARK 465 TYR B 167 REMARK 465 ILE B 168 REMARK 465 PRO B 169 REMARK 465 THR B 170 REMARK 465 GLN B 171 REMARK 465 GLN B 172 REMARK 465 ASP B 173 REMARK 465 VAL B 174 REMARK 465 LEU B 175 REMARK 465 ARG B 176 REMARK 465 THR B 177 REMARK 465 ARG B 178 REMARK 465 VAL B 179 REMARK 465 LYS B 180 REMARK 465 MET C 1 REMARK 465 GLY C 2 REMARK 465 SER C 3 REMARK 465 LEU C 4 REMARK 465 LEU C 5 REMARK 465 GLN C 6 REMARK 465 SER C 7 REMARK 465 MET G 0 REMARK 465 ALA G 1 REMARK 465 SER G 2 REMARK 465 ASN G 3 REMARK 465 ASN G 4 REMARK 465 PRO G 59 REMARK 465 PHE G 60 REMARK 465 ARG G 61 REMARK 465 GLU G 62 REMARK 465 LYS G 63 REMARK 465 LYS G 64 REMARK 465 PHE G 65 REMARK 465 PHE G 66 REMARK 465 CYS G 67 REMARK 465 ALA G 68 REMARK 465 ILE G 69 REMARK 465 LEU G 70 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 ARG A 67 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 68 CG CD NE CZ NH1 NH2 REMARK 470 PHE C 239 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP C 295 CG OD1 OD2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 CYS A 136 CA - CB - SG ANGL. DEV. = 6.9 DEGREES 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 PRO A 36 32.48 -88.64 REMARK 500 ILE A 190 153.48 -48.09 REMARK 500 PRO A 194 156.19 -48.69 REMARK 500 ARG A 355 -155.95 -83.14 REMARK 500 LYS B 210 -63.19 -93.13 REMARK 500 LEU B 249 58.29 -109.79 REMARK 500 ARG B 284 53.65 -91.40 REMARK 500 ASP B 298 141.32 -39.80 REMARK 500 THR C 148 30.48 -98.99 REMARK 500 GLU G 46 49.83 -77.07 REMARK 500 PRO G 48 10.04 -68.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63571 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF PGE2-EP1-GQ COMPLEX DBREF 9M1H A 1 402 UNP P34995 PE2R1_HUMAN 1 402 DBREF 9M1H B 1 19 UNP P63096 GNAI1_HUMAN 1 19 DBREF 9M1H B 20 60 UNP P63092 GNAS2_HUMAN 27 67 DBREF 9M1H B 61 180 UNP P63096 GNAI1_HUMAN 61 180 DBREF 9M1H B 181 228 UNP P63092 GNAS2_HUMAN 204 251 DBREF 9M1H B 231 346 UNP P63092 GNAS2_HUMAN 264 379 DBREF 9M1H B 347 361 UNP P50148 GNAQ_HUMAN 345 359 DBREF 9M1H C 7 345 UNP P62873 GBB1_HUMAN 2 340 DBREF 9M1H G 0 70 UNP P59768 GBG2_HUMAN 1 71 SEQADV 9M1H ARG B 32 UNP P63092 ALA 39 CONFLICT SEQADV 9M1H LEU B 34 UNP P63092 HIS 41 CONFLICT SEQADV 9M1H ASP B 42 UNP P63092 GLY 49 CONFLICT SEQADV 9M1H ASN B 43 UNP P63092 GLU 50 CONFLICT SEQADV 9M1H TYR B 56 UNP P63092 LEU 63 CONFLICT SEQADV 9M1H ALA B 203 UNP P63092 GLY 226 CONFLICT SEQADV 9M1H ASP B 226 UNP P63092 ALA 249 CONFLICT SEQADV 9M1H ASP B 229 UNP P63092 LINKER SEQADV 9M1H TYR B 230 UNP P63092 LINKER SEQADV 9M1H ASP B 239 UNP P63092 LEU 272 CONFLICT SEQADV 9M1H LYS B 310 UNP P63092 ASP 343 CONFLICT SEQADV 9M1H VAL B 313 UNP P63092 LEU 346 CONFLICT SEQADV 9M1H ASP B 314 UNP P63092 ARG 347 CONFLICT SEQADV 9M1H ILE B 325 UNP P63092 TYR 358 CONFLICT SEQADV 9M1H SER B 333 UNP P63092 ALA 366 CONFLICT SEQADV 9M1H ALA B 339 UNP P63092 ILE 372 CONFLICT SEQADV 9M1H ILE B 342 UNP P63092 VAL 375 CONFLICT SEQADV 9M1H ILE B 349 UNP P50148 THR 347 CONFLICT SEQADV 9M1H MET B 353 UNP P50148 LEU 351 CONFLICT SEQADV 9M1H ARG B 356 UNP P50148 LYS 354 CONFLICT SEQADV 9M1H MET C 1 UNP P62873 INITIATING METHIONINE SEQADV 9M1H GLY C 2 UNP P62873 EXPRESSION TAG SEQADV 9M1H SER C 3 UNP P62873 EXPRESSION TAG SEQADV 9M1H LEU C 4 UNP P62873 EXPRESSION TAG SEQADV 9M1H LEU C 5 UNP P62873 EXPRESSION TAG SEQADV 9M1H GLN C 6 UNP P62873 EXPRESSION TAG SEQRES 1 A 402 MET SER PRO CYS GLY PRO LEU ASN LEU SER LEU ALA GLY SEQRES 2 A 402 GLU ALA THR THR CYS ALA ALA PRO TRP VAL PRO ASN THR SEQRES 3 A 402 SER ALA VAL PRO PRO SER GLY ALA SER PRO ALA LEU PRO SEQRES 4 A 402 ILE PHE SER MET THR LEU GLY ALA VAL SER ASN LEU LEU SEQRES 5 A 402 ALA LEU ALA LEU LEU ALA GLN ALA ALA GLY ARG LEU ARG SEQRES 6 A 402 ARG ARG ARG SER ALA ALA THR PHE LEU LEU PHE VAL ALA SEQRES 7 A 402 SER LEU LEU ALA THR ASP LEU ALA GLY HIS VAL ILE PRO SEQRES 8 A 402 GLY ALA LEU VAL LEU ARG LEU TYR THR ALA GLY ARG ALA SEQRES 9 A 402 PRO ALA GLY GLY ALA CYS HIS PHE LEU GLY GLY CYS MET SEQRES 10 A 402 VAL PHE PHE GLY LEU CYS PRO LEU LEU LEU GLY CYS GLY SEQRES 11 A 402 MET ALA VAL GLU ARG CYS VAL GLY VAL THR ARG PRO LEU SEQRES 12 A 402 LEU HIS ALA ALA ARG VAL SER VAL ALA ARG ALA ARG LEU SEQRES 13 A 402 ALA LEU ALA ALA VAL ALA ALA VAL ALA LEU ALA VAL ALA SEQRES 14 A 402 LEU LEU PRO LEU ALA ARG VAL GLY ARG TYR GLU LEU GLN SEQRES 15 A 402 TYR PRO GLY THR TRP CYS PHE ILE GLY LEU GLY PRO PRO SEQRES 16 A 402 GLY GLY TRP ARG GLN ALA LEU LEU ALA GLY LEU PHE ALA SEQRES 17 A 402 SER LEU GLY LEU VAL ALA LEU LEU ALA ALA LEU VAL CYS SEQRES 18 A 402 ASN THR LEU SER GLY LEU ALA LEU LEU ARG ALA ARG TRP SEQRES 19 A 402 ARG ARG ARG SER ARG ARG PRO PRO PRO ALA SER GLY PRO SEQRES 20 A 402 ASP SER ARG ARG ARG TRP GLY ALA HIS GLY PRO ARG SER SEQRES 21 A 402 ALA SER ALA SER SER ALA SER SER ILE ALA SER ALA SER SEQRES 22 A 402 THR PHE PHE GLY GLY SER ARG SER SER GLY SER ALA ARG SEQRES 23 A 402 ARG ALA ARG ALA HIS ASP VAL GLU MET VAL GLY GLN LEU SEQRES 24 A 402 VAL GLY ILE MET VAL VAL SER CYS ILE CYS TRP SER PRO SEQRES 25 A 402 MET LEU VAL LEU VAL ALA LEU ALA VAL GLY GLY TRP SER SEQRES 26 A 402 SER THR SER LEU GLN ARG PRO LEU PHE LEU ALA VAL ARG SEQRES 27 A 402 LEU ALA SER TRP ASN GLN ILE LEU ASP PRO TRP VAL TYR SEQRES 28 A 402 ILE LEU LEU ARG GLN ALA VAL LEU ARG GLN LEU LEU ARG SEQRES 29 A 402 LEU LEU PRO PRO ARG ALA GLY ALA LYS GLY GLY PRO ALA SEQRES 30 A 402 GLY LEU GLY LEU THR PRO SER ALA TRP GLU ALA SER SER SEQRES 31 A 402 LEU ARG SER SER ARG HIS SER GLY LEU SER HIS PHE SEQRES 1 B 361 MET GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL SEQRES 2 B 361 GLU ARG SER LYS MET ILE GLU LYS GLN LEU GLN LYS ASP SEQRES 3 B 361 LYS GLN VAL TYR ARG ARG THR LEU ARG LEU LEU LEU LEU SEQRES 4 B 361 GLY ALA ASP ASN SER GLY LYS SER THR ILE VAL LYS GLN SEQRES 5 B 361 MET ARG ILE TYR HIS VAL ASN GLY TYR SER GLU GLU GLU SEQRES 6 B 361 CYS LYS GLN TYR LYS ALA VAL VAL TYR SER ASN THR ILE SEQRES 7 B 361 GLN SER ILE ILE ALA ILE ILE ARG ALA MET GLY ARG LEU SEQRES 8 B 361 LYS ILE ASP PHE GLY ASP SER ALA ARG ALA ASP ASP ALA SEQRES 9 B 361 ARG GLN LEU PHE VAL LEU ALA GLY ALA ALA GLU GLU GLY SEQRES 10 B 361 PHE MET THR ALA GLU LEU ALA GLY VAL ILE LYS ARG LEU SEQRES 11 B 361 TRP LYS ASP SER GLY VAL GLN ALA CYS PHE ASN ARG SER SEQRES 12 B 361 ARG GLU TYR GLN LEU ASN ASP SER ALA ALA TYR TYR LEU SEQRES 13 B 361 ASN ASP LEU ASP ARG ILE ALA GLN PRO ASN TYR ILE PRO SEQRES 14 B 361 THR GLN GLN ASP VAL LEU ARG THR ARG VAL LYS THR SER SEQRES 15 B 361 GLY ILE PHE GLU THR LYS PHE GLN VAL ASP LYS VAL ASN SEQRES 16 B 361 PHE HIS MET PHE ASP VAL GLY ALA GLN ARG ASP GLU ARG SEQRES 17 B 361 ARG LYS TRP ILE GLN CYS PHE ASN ASP VAL THR ALA ILE SEQRES 18 B 361 ILE PHE VAL VAL ASP SER SER ASP TYR ASN ARG LEU GLN SEQRES 19 B 361 GLU ALA LEU ASN ASP PHE LYS SER ILE TRP ASN ASN ARG SEQRES 20 B 361 TRP LEU ARG THR ILE SER VAL ILE LEU PHE LEU ASN LYS SEQRES 21 B 361 GLN ASP LEU LEU ALA GLU LYS VAL LEU ALA GLY LYS SER SEQRES 22 B 361 LYS ILE GLU ASP TYR PHE PRO GLU PHE ALA ARG TYR THR SEQRES 23 B 361 THR PRO GLU ASP ALA THR PRO GLU PRO GLY GLU ASP PRO SEQRES 24 B 361 ARG VAL THR ARG ALA LYS TYR PHE ILE ARG LYS GLU PHE SEQRES 25 B 361 VAL ASP ILE SER THR ALA SER GLY ASP GLY ARG HIS ILE SEQRES 26 B 361 CYS TYR PRO HIS PHE THR CYS SER VAL ASP THR GLU ASN SEQRES 27 B 361 ALA ARG ARG ILE PHE ASN ASP CYS LYS ASP ILE ILE LEU SEQRES 28 B 361 GLN MET ASN LEU ARG GLU TYR ASN LEU VAL SEQRES 1 C 345 MET GLY SER LEU LEU GLN SER GLU LEU ASP GLN LEU ARG SEQRES 2 C 345 GLN GLU ALA GLU GLN LEU LYS ASN GLN ILE ARG ASP ALA SEQRES 3 C 345 ARG LYS ALA CYS ALA ASP ALA THR LEU SER GLN ILE THR SEQRES 4 C 345 ASN ASN ILE ASP PRO VAL GLY ARG ILE GLN MET ARG THR SEQRES 5 C 345 ARG ARG THR LEU ARG GLY HIS LEU ALA LYS ILE TYR ALA SEQRES 6 C 345 MET HIS TRP GLY THR ASP SER ARG LEU LEU VAL SER ALA SEQRES 7 C 345 SER GLN ASP GLY LYS LEU ILE ILE TRP ASP SER TYR THR SEQRES 8 C 345 THR ASN LYS VAL HIS ALA ILE PRO LEU ARG SER SER TRP SEQRES 9 C 345 VAL MET THR CYS ALA TYR ALA PRO SER GLY ASN TYR VAL SEQRES 10 C 345 ALA CYS GLY GLY LEU ASP ASN ILE CYS SER ILE TYR ASN SEQRES 11 C 345 LEU LYS THR ARG GLU GLY ASN VAL ARG VAL SER ARG GLU SEQRES 12 C 345 LEU ALA GLY HIS THR GLY TYR LEU SER CYS CYS ARG PHE SEQRES 13 C 345 LEU ASP ASP ASN GLN ILE VAL THR SER SER GLY ASP THR SEQRES 14 C 345 THR CYS ALA LEU TRP ASP ILE GLU THR GLY GLN GLN THR SEQRES 15 C 345 THR THR PHE THR GLY HIS THR GLY ASP VAL MET SER LEU SEQRES 16 C 345 SER LEU ALA PRO ASP THR ARG LEU PHE VAL SER GLY ALA SEQRES 17 C 345 CYS ASP ALA SER ALA LYS LEU TRP ASP VAL ARG GLU GLY SEQRES 18 C 345 MET CYS ARG GLN THR PHE THR GLY HIS GLU SER ASP ILE SEQRES 19 C 345 ASN ALA ILE CYS PHE PHE PRO ASN GLY ASN ALA PHE ALA SEQRES 20 C 345 THR GLY SER ASP ASP ALA THR CYS ARG LEU PHE ASP LEU SEQRES 21 C 345 ARG ALA ASP GLN GLU LEU MET THR TYR SER HIS ASP ASN SEQRES 22 C 345 ILE ILE CYS GLY ILE THR SER VAL SER PHE SER LYS SER SEQRES 23 C 345 GLY ARG LEU LEU LEU ALA GLY TYR ASP ASP PHE ASN CYS SEQRES 24 C 345 ASN VAL TRP ASP ALA LEU LYS ALA ASP ARG ALA GLY VAL SEQRES 25 C 345 LEU ALA GLY HIS ASP ASN ARG VAL SER CYS LEU GLY VAL SEQRES 26 C 345 THR ASP ASP GLY MET ALA VAL ALA THR GLY SER TRP ASP SEQRES 27 C 345 SER PHE LEU LYS ILE TRP ASN SEQRES 1 G 71 MET ALA SER ASN ASN THR ALA SER ILE ALA GLN ALA ARG SEQRES 2 G 71 LYS LEU VAL GLU GLN LEU LYS MET GLU ALA ASN ILE ASP SEQRES 3 G 71 ARG ILE LYS VAL SER LYS ALA ALA ALA ASP LEU MET ALA SEQRES 4 G 71 TYR CYS GLU ALA HIS ALA LYS GLU ASP PRO LEU LEU THR SEQRES 5 G 71 PRO VAL PRO ALA SER GLU ASN PRO PHE ARG GLU LYS LYS SEQRES 6 G 71 PHE PHE CYS ALA ILE LEU HET P2E A 501 25 HETNAM P2E (Z)-7-[(1R,2R,3R)-3-HYDROXY-2-[(E,3S)-3-HYDROXYOCT-1- HETNAM 2 P2E ENYL]-5-OXO-CYCLOPENTYL]HEPT-5-ENOIC ACID HETSYN P2E PROSTAGLANDIN E2 FORMUL 5 P2E C20 H32 O5 FORMUL 6 HOH *(H2 O) HELIX 1 AA1 PRO A 36 ARG A 65 1 30 HELIX 2 AA2 ARG A 66 ARG A 68 5 3 HELIX 3 AA3 SER A 69 GLY A 102 1 34 HELIX 4 AA4 GLY A 107 ARG A 141 1 35 HELIX 5 AA5 ARG A 141 VAL A 149 1 9 HELIX 6 AA6 SER A 150 LEU A 171 1 22 HELIX 7 AA7 PRO A 172 ARG A 175 5 4 HELIX 8 AA8 GLY A 196 LEU A 224 1 29 HELIX 9 AA9 SER A 225 ARG A 239 1 15 HELIX 10 AB1 ALA A 288 VAL A 321 1 34 HELIX 11 AB2 SER A 325 TRP A 342 1 18 HELIX 12 AB3 TRP A 342 ILE A 352 1 11 HELIX 13 AB4 GLN A 356 LEU A 366 1 11 HELIX 14 AB5 ALA B 7 ARG B 32 1 26 HELIX 15 AB6 GLY B 45 GLN B 52 1 8 HELIX 16 AB7 LYS B 210 ASN B 216 5 7 HELIX 17 AB8 ASP B 229 ASN B 245 1 17 HELIX 18 AB9 LYS B 260 GLY B 271 1 12 HELIX 19 AC1 LYS B 274 PHE B 279 1 6 HELIX 20 AC2 PRO B 280 ALA B 283 5 4 HELIX 21 AC3 ASP B 298 ALA B 318 1 21 HELIX 22 AC4 GLU B 337 ASN B 359 1 23 HELIX 23 AC5 LEU C 9 CYS C 30 1 22 HELIX 24 AC6 THR C 34 ILE C 38 5 5 HELIX 25 AC7 ALA G 6 ALA G 22 1 17 HELIX 26 AC8 LYS G 28 HIS G 43 1 16 SHEET 1 AA1 2 TYR A 179 LEU A 181 0 SHEET 2 AA1 2 CYS A 188 ILE A 190 -1 O PHE A 189 N GLU A 180 SHEET 1 AA2 6 ILE B 184 VAL B 191 0 SHEET 2 AA2 6 VAL B 194 VAL B 201 -1 O VAL B 194 N VAL B 191 SHEET 3 AA2 6 THR B 33 GLY B 40 1 N LEU B 38 O PHE B 199 SHEET 4 AA2 6 ALA B 220 ASP B 226 1 O ILE B 222 N LEU B 39 SHEET 5 AA2 6 VAL B 254 ASN B 259 1 O ILE B 255 N ILE B 221 SHEET 6 AA2 6 CYS B 326 PHE B 330 1 O HIS B 329 N LEU B 258 SHEET 1 AA3 4 THR C 52 LEU C 56 0 SHEET 2 AA3 4 LEU C 341 TRP C 344 -1 O LEU C 341 N LEU C 56 SHEET 3 AA3 4 VAL C 332 SER C 336 -1 N VAL C 332 O TRP C 344 SHEET 4 AA3 4 VAL C 320 VAL C 325 -1 N CYS C 322 O GLY C 335 SHEET 1 AA4 4 ILE C 63 TRP C 68 0 SHEET 2 AA4 4 LEU C 74 SER C 79 -1 O ALA C 78 N TYR C 64 SHEET 3 AA4 4 LYS C 83 ASP C 88 -1 O TRP C 87 N LEU C 75 SHEET 4 AA4 4 LYS C 94 PRO C 99 -1 O VAL C 95 N ILE C 86 SHEET 1 AA5 4 VAL C 105 TYR C 110 0 SHEET 2 AA5 4 TYR C 116 GLY C 121 -1 O GLY C 120 N MET C 106 SHEET 3 AA5 4 CYS C 126 ASN C 130 -1 O TYR C 129 N VAL C 117 SHEET 4 AA5 4 ARG C 139 LEU C 144 -1 O LEU C 144 N CYS C 126 SHEET 1 AA6 4 LEU C 151 PHE C 156 0 SHEET 2 AA6 4 GLN C 161 SER C 166 -1 O SER C 165 N CYS C 153 SHEET 3 AA6 4 CYS C 171 ASP C 175 -1 O TRP C 174 N ILE C 162 SHEET 4 AA6 4 GLN C 180 THR C 184 -1 O THR C 183 N LEU C 173 SHEET 1 AA7 4 VAL C 192 LEU C 197 0 SHEET 2 AA7 4 LEU C 203 ALA C 208 -1 O GLY C 207 N MET C 193 SHEET 3 AA7 4 ALA C 213 ASP C 217 -1 O TRP C 216 N PHE C 204 SHEET 4 AA7 4 CYS C 223 PHE C 227 -1 O GLN C 225 N LEU C 215 SHEET 1 AA8 4 ILE C 234 PHE C 239 0 SHEET 2 AA8 4 ALA C 245 SER C 250 -1 O ALA C 247 N CYS C 238 SHEET 3 AA8 4 THR C 254 ASP C 259 -1 O THR C 254 N SER C 250 SHEET 4 AA8 4 GLN C 264 SER C 270 -1 O LEU C 266 N LEU C 257 SHEET 1 AA9 4 ILE C 278 PHE C 283 0 SHEET 2 AA9 4 LEU C 289 TYR C 294 -1 O GLY C 293 N THR C 279 SHEET 3 AA9 4 CYS C 299 ASP C 303 -1 O ASN C 300 N ALA C 292 SHEET 4 AA9 4 ARG C 309 LEU C 313 -1 O GLY C 311 N VAL C 301 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 7034 7035 7057 CONECT 7035 7034 7036 CONECT 7036 7035 7037 CONECT 7037 7036 7038 CONECT 7038 7037 7039 CONECT 7039 7038 7040 CONECT 7040 7039 7041 7043 CONECT 7041 7040 7042 7046 CONECT 7042 7041 CONECT 7043 7040 7044 7047 CONECT 7044 7043 7045 7046 CONECT 7045 7044 CONECT 7046 7041 7044 CONECT 7047 7043 7048 CONECT 7048 7047 7049 CONECT 7049 7048 7050 7051 CONECT 7050 7049 CONECT 7051 7049 7052 CONECT 7052 7051 7053 CONECT 7053 7052 7054 CONECT 7054 7053 7055 CONECT 7055 7054 CONECT 7056 7057 CONECT 7057 7034 7056 7058 CONECT 7058 7057 MASTER 429 0 1 26 36 0 0 6 7055 4 25 92 END