HEADER MEMBRANE PROTEIN 11-AUG-22 7YS6 TITLE CRYO-EM STRUCTURE OF THE SEROTONIN 6 (5-HT6) RECEPTOR-DNGS-SCFV16 TITLE 2 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5-HYDROXYTRYPTAMINE RECEPTOR 6; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 5-HT-6,5-HT6,SEROTONIN RECEPTOR 6; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(T) SUBUNIT COMPND 8 BETA-1; COMPND 9 CHAIN: C; COMPND 10 SYNONYM: TRANSDUCIN BETA CHAIN 1; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: GUANINE NUCLEOTIDE-BINDING PROTEIN G(I)/G(S)/G(O) SUBUNIT COMPND 14 GAMMA-2; COMPND 15 CHAIN: D; COMPND 16 SYNONYM: G GAMMA-I; COMPND 17 ENGINEERED: YES; COMPND 18 MOL_ID: 4; COMPND 19 MOLECULE: SCFV16; COMPND 20 CHAIN: E; COMPND 21 ENGINEERED: YES; COMPND 22 MOL_ID: 5; COMPND 23 MOLECULE: ISOFORM GNAS-2 OF GUANINE NUCLEOTIDE-BINDING PROTEIN G(S) COMPND 24 SUBUNIT ALPHA ISOFORMS SHORT; COMPND 25 CHAIN: B; COMPND 26 SYNONYM: ADENYLATE CYCLASE-STIMULATING G ALPHA PROTEIN; COMPND 27 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: HTR6; SOURCE 6 EXPRESSION_SYSTEM: INSECTA ENVIRONMENTAL SAMPLE; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 2588572; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 10 ORGANISM_COMMON: HUMAN; SOURCE 11 ORGANISM_TAXID: 9606; SOURCE 12 GENE: GNB1; SOURCE 13 EXPRESSION_SYSTEM: INSECTA ENVIRONMENTAL SAMPLE; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 2588572; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 17 ORGANISM_COMMON: HUMAN; SOURCE 18 ORGANISM_TAXID: 9606; SOURCE 19 GENE: GNG2; SOURCE 20 EXPRESSION_SYSTEM: INSECTA ENVIRONMENTAL SAMPLE; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 2588572; SOURCE 22 MOL_ID: 4; SOURCE 23 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 24 ORGANISM_COMMON: MOUSE; SOURCE 25 ORGANISM_TAXID: 10090; SOURCE 26 EXPRESSION_SYSTEM: INSECTA ENVIRONMENTAL SAMPLE; SOURCE 27 EXPRESSION_SYSTEM_TAXID: 2588572; SOURCE 28 MOL_ID: 5; SOURCE 29 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 30 ORGANISM_COMMON: HUMAN; SOURCE 31 ORGANISM_TAXID: 9606; SOURCE 32 GENE: GNAS, GNAS1, GSP; SOURCE 33 EXPRESSION_SYSTEM: INSECTA ENVIRONMENTAL SAMPLE; SOURCE 34 EXPRESSION_SYSTEM_TAXID: 2588572 KEYWDS GPCR, SEROTONIN RECEPTOR, 5-HT6R, CRYO-EM, CONSTITUTIVE ACTIVITY, KEYWDS 2 MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Q.Y.ZHAO,Y.F.WANG,L.HE,S.WANG,Y.CONG REVDAT 2 11-OCT-23 7YS6 1 JRNL REVDAT 1 29-MAR-23 7YS6 0 JRNL AUTH L.HE,Q.Y.ZHAO,J.QI,Y.WANG,W.HAN,Z.CHEN,Y.CONG,S.WANG JRNL TITL STRUCTURAL INSIGHTS INTO CONSTITUTIVE ACTIVITY OF 5-HT 6 JRNL TITL 2 RECEPTOR. JRNL REF PROC.NATL.ACAD.SCI.USA V. 120 17120 2023 JRNL REFN ESSN 1091-6490 JRNL PMID 36989299 JRNL DOI 10.1073/PNAS.2209917120 REMARK 2 REMARK 2 RESOLUTION. 3.00 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) : 3.000 REMARK 3 NUMBER OF PARTICLES : 388504 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 7YS6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-AUG-22. REMARK 100 THE DEPOSITION ID IS D_1300031530. 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 : SEROTONIN 6 (5-HT6) RECEPTOR REMARK 245 -DNGS-SCFV16 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 : 7.40 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 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) : 5020.00 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: PENTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, D, E, 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 GLY A 24 REMARK 465 GLY A 25 REMARK 465 SER A 26 REMARK 465 GLY A 27 REMARK 465 TRP A 28 REMARK 465 VAL A 29 REMARK 465 ALA A 30 REMARK 465 THR A 245 REMARK 465 GLY A 246 REMARK 465 MET A 247 REMARK 465 ALA A 248 REMARK 465 SER A 249 REMARK 465 ALA A 250 REMARK 465 ASP A 251 REMARK 465 SER A 252 REMARK 465 ARG A 253 REMARK 465 ARG A 254 REMARK 465 LEU A 255 REMARK 465 ALA A 256 REMARK 465 THR A 257 REMARK 465 LYS A 258 REMARK 465 HIS A 259 REMARK 465 SER A 260 REMARK 465 ARG A 261 REMARK 465 LYS A 262 REMARK 465 ALA A 263 REMARK 465 CYS A 337 REMARK 465 PRO A 338 REMARK 465 ARG A 339 REMARK 465 CYS A 340 REMARK 465 PRO A 341 REMARK 465 ARG A 342 REMARK 465 GLU A 343 REMARK 465 ARG A 344 REMARK 465 GLN A 345 REMARK 465 MET C 1 REMARK 465 HIS C 2 REMARK 465 HIS C 3 REMARK 465 HIS C 4 REMARK 465 HIS C 5 REMARK 465 HIS C 6 REMARK 465 HIS C 7 REMARK 465 GLU C 8 REMARK 465 ASN C 9 REMARK 465 LEU C 10 REMARK 465 TYR C 11 REMARK 465 PHE C 12 REMARK 465 GLN C 13 REMARK 465 GLY C 14 REMARK 465 GLY C 15 REMARK 465 SER C 16 REMARK 465 SER C 17 REMARK 465 GLY C 18 REMARK 465 SER C 19 REMARK 465 MET D 1 REMARK 465 ALA D 2 REMARK 465 SER D 3 REMARK 465 ASN D 4 REMARK 465 ASN D 5 REMARK 465 GLU D 63 REMARK 465 LYS D 64 REMARK 465 LYS D 65 REMARK 465 PHE D 66 REMARK 465 PHE D 67 REMARK 465 CYS D 68 REMARK 465 ALA D 69 REMARK 465 ILE D 70 REMARK 465 LEU D 71 REMARK 465 ASP E 1 REMARK 465 GLY E 123 REMARK 465 GLY E 124 REMARK 465 GLY E 125 REMARK 465 SER E 126 REMARK 465 GLY E 127 REMARK 465 GLY E 128 REMARK 465 GLY E 129 REMARK 465 GLY E 130 REMARK 465 SER E 131 REMARK 465 GLY E 132 REMARK 465 GLY E 133 REMARK 465 GLY E 134 REMARK 465 GLY E 135 REMARK 465 LYS E 248 REMARK 465 ALA E 249 REMARK 465 ALA E 250 REMARK 465 ALA E 251 REMARK 465 GLU E 252 REMARK 465 ASN E 253 REMARK 465 LEU E 254 REMARK 465 TYR E 255 REMARK 465 PHE E 256 REMARK 465 GLN E 257 REMARK 465 GLY E 258 REMARK 465 HIS E 259 REMARK 465 HIS E 260 REMARK 465 HIS E 261 REMARK 465 HIS E 262 REMARK 465 HIS E 263 REMARK 465 HIS E 264 REMARK 465 HIS E 265 REMARK 465 HIS E 266 REMARK 465 MET B 8 REMARK 465 GLY B 9 REMARK 465 CYS B 10 REMARK 465 THR B 11 REMARK 465 LEU B 12 REMARK 465 SER B 13 REMARK 465 ALA B 14 REMARK 465 VAL B 79 REMARK 465 ASN B 80 REMARK 465 GLY B 81 REMARK 465 PHE B 82 REMARK 465 ASN B 83 REMARK 465 GLY B 84 REMARK 465 ASP B 85 REMARK 465 SER B 86 REMARK 465 GLU B 87 REMARK 465 LYS B 88 REMARK 465 ALA B 89 REMARK 465 THR B 90 REMARK 465 LYS B 91 REMARK 465 VAL B 92 REMARK 465 GLN B 93 REMARK 465 ASP B 94 REMARK 465 ILE B 95 REMARK 465 LYS B 96 REMARK 465 ASN B 97 REMARK 465 ASN B 98 REMARK 465 LEU B 99 REMARK 465 LYS B 100 REMARK 465 GLU B 101 REMARK 465 ALA B 102 REMARK 465 ILE B 103 REMARK 465 GLU B 104 REMARK 465 THR B 105 REMARK 465 ILE B 106 REMARK 465 VAL B 107 REMARK 465 ALA B 108 REMARK 465 ALA B 109 REMARK 465 MET B 110 REMARK 465 SER B 111 REMARK 465 ASN B 112 REMARK 465 LEU B 113 REMARK 465 VAL B 114 REMARK 465 PRO B 115 REMARK 465 PRO B 116 REMARK 465 VAL B 117 REMARK 465 GLU B 118 REMARK 465 LEU B 119 REMARK 465 ALA B 120 REMARK 465 ASN B 121 REMARK 465 PRO B 122 REMARK 465 GLU B 123 REMARK 465 ASN B 124 REMARK 465 GLN B 125 REMARK 465 PHE B 126 REMARK 465 ARG B 127 REMARK 465 VAL B 128 REMARK 465 ASP B 129 REMARK 465 TYR B 130 REMARK 465 ILE B 131 REMARK 465 LEU B 132 REMARK 465 SER B 133 REMARK 465 VAL B 134 REMARK 465 MET B 135 REMARK 465 ASN B 136 REMARK 465 VAL B 137 REMARK 465 PRO B 138 REMARK 465 ASP B 139 REMARK 465 PHE B 140 REMARK 465 ASP B 141 REMARK 465 PHE B 142 REMARK 465 PRO B 143 REMARK 465 PRO B 144 REMARK 465 GLU B 145 REMARK 465 PHE B 146 REMARK 465 TYR B 147 REMARK 465 GLU B 148 REMARK 465 HIS B 149 REMARK 465 ALA B 150 REMARK 465 LYS B 151 REMARK 465 ALA B 152 REMARK 465 LEU B 153 REMARK 465 TRP B 154 REMARK 465 GLU B 155 REMARK 465 ASP B 156 REMARK 465 GLU B 157 REMARK 465 GLY B 158 REMARK 465 VAL B 159 REMARK 465 ARG B 160 REMARK 465 ALA B 161 REMARK 465 CYS B 162 REMARK 465 TYR B 163 REMARK 465 GLU B 164 REMARK 465 ARG B 165 REMARK 465 SER B 166 REMARK 465 ASN B 167 REMARK 465 GLU B 168 REMARK 465 TYR B 169 REMARK 465 GLN B 170 REMARK 465 LEU B 171 REMARK 465 ILE B 172 REMARK 465 ASP B 173 REMARK 465 CYS B 174 REMARK 465 ALA B 175 REMARK 465 GLN B 176 REMARK 465 TYR B 177 REMARK 465 PHE B 178 REMARK 465 LEU B 179 REMARK 465 ASP B 180 REMARK 465 LYS B 181 REMARK 465 ILE B 182 REMARK 465 ASP B 183 REMARK 465 VAL B 184 REMARK 465 ILE B 185 REMARK 465 LYS B 186 REMARK 465 GLN B 187 REMARK 465 ALA B 188 REMARK 465 ASP B 189 REMARK 465 TYR B 190 REMARK 465 VAL B 191 REMARK 465 PRO B 192 REMARK 465 SER B 193 REMARK 465 ASP B 194 REMARK 465 GLN B 195 REMARK 465 ASP B 196 REMARK 465 LEU B 197 REMARK 465 LEU B 198 REMARK 465 ARG B 199 REMARK 465 CYS B 200 REMARK 465 ARG B 201 REMARK 465 VAL B 202 REMARK 465 LEU B 203 REMARK 465 THR B 204 REMARK 465 MET B 255 REMARK 465 VAL B 256 REMARK 465 ILE B 257 REMARK 465 ARG B 258 REMARK 465 GLU B 259 REMARK 465 ASP B 260 REMARK 465 ASN B 261 REMARK 465 GLN B 262 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 85 CG CD1 CD2 REMARK 470 LEU A 88 CG CD1 CD2 REMARK 470 TYR A 89 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU A 94 CG CD1 CD2 REMARK 470 LEU A 98 CG CD1 CD2 REMARK 470 LEU A 164 CG CD1 CD2 REMARK 470 LEU A 186 CG CD1 CD2 REMARK 470 VAL A 293 CG1 CG2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O SER C 208 CE2 PHE C 251 1.63 REMARK 500 OH TYR B 253 CZ PHE B 315 1.88 REMARK 500 C SER C 208 CE2 PHE C 251 2.02 REMARK 500 CZ TYR B 253 CG2 ILE B 308 2.04 REMARK 500 OG SER E 204 OG1 THR E 215 2.09 REMARK 500 OG SER C 208 CD2 PHE C 251 2.12 REMARK 500 O SER C 208 CZ PHE C 251 2.12 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 ILE A 319 -57.34 -122.16 REMARK 500 ALA A 330 -35.53 -36.87 REMARK 500 LEU C 169 -62.73 -94.12 REMARK 500 THR C 213 -14.83 74.25 REMARK 500 SER C 244 -159.82 -139.65 REMARK 500 MET E 192 -19.38 73.21 REMARK 500 PHE B 238 40.94 -109.62 REMARK 500 TYR B 358 -169.83 -126.51 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-34073 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE SEROTONIN 6 (5-HT6) RECEPTOR-DNGS-SCFV16 REMARK 900 COMPLEX DBREF 7YS6 A 24 345 UNP P50406 5HT6R_HUMAN 24 345 DBREF 7YS6 C 19 357 UNP P62873 GBB1_HUMAN 2 340 DBREF 7YS6 D 1 71 UNP P59768 GBG2_HUMAN 1 71 DBREF 7YS6 E 1 266 PDB 7YS6 7YS6 1 266 DBREF 7YS6 B 26 394 UNP P63092-2 GNAS2_HUMAN 26 380 SEQADV 7YS6 A UNP P50406 SER 231 DELETION SEQADV 7YS6 A UNP P50406 GLN 232 DELETION SEQADV 7YS6 A UNP P50406 ALA 233 DELETION SEQADV 7YS6 A UNP P50406 SER 234 DELETION SEQADV 7YS6 A UNP P50406 GLU 235 DELETION SEQADV 7YS6 A UNP P50406 THR 236 DELETION SEQADV 7YS6 A UNP P50406 LEU 237 DELETION SEQADV 7YS6 A UNP P50406 GLN 238 DELETION SEQADV 7YS6 A UNP P50406 VAL 239 DELETION SEQADV 7YS6 A UNP P50406 PRO 240 DELETION SEQADV 7YS6 A UNP P50406 ARG 241 DELETION SEQADV 7YS6 A UNP P50406 THR 242 DELETION SEQADV 7YS6 A UNP P50406 PRO 243 DELETION SEQADV 7YS6 A UNP P50406 ARG 244 DELETION SEQADV 7YS6 A UNP P50406 PRO 245 DELETION SEQADV 7YS6 A UNP P50406 GLY 246 DELETION SEQADV 7YS6 A UNP P50406 VAL 247 DELETION SEQADV 7YS6 A UNP P50406 GLU 248 DELETION SEQADV 7YS6 MET C 1 UNP P62873 INITIATING METHIONINE SEQADV 7YS6 HIS C 2 UNP P62873 EXPRESSION TAG SEQADV 7YS6 HIS C 3 UNP P62873 EXPRESSION TAG SEQADV 7YS6 HIS C 4 UNP P62873 EXPRESSION TAG SEQADV 7YS6 HIS C 5 UNP P62873 EXPRESSION TAG SEQADV 7YS6 HIS C 6 UNP P62873 EXPRESSION TAG SEQADV 7YS6 HIS C 7 UNP P62873 EXPRESSION TAG SEQADV 7YS6 GLU C 8 UNP P62873 EXPRESSION TAG SEQADV 7YS6 ASN C 9 UNP P62873 EXPRESSION TAG SEQADV 7YS6 LEU C 10 UNP P62873 EXPRESSION TAG SEQADV 7YS6 TYR C 11 UNP P62873 EXPRESSION TAG SEQADV 7YS6 PHE C 12 UNP P62873 EXPRESSION TAG SEQADV 7YS6 GLN C 13 UNP P62873 EXPRESSION TAG SEQADV 7YS6 GLY C 14 UNP P62873 EXPRESSION TAG SEQADV 7YS6 GLY C 15 UNP P62873 EXPRESSION TAG SEQADV 7YS6 SER C 16 UNP P62873 EXPRESSION TAG SEQADV 7YS6 SER C 17 UNP P62873 EXPRESSION TAG SEQADV 7YS6 GLY C 18 UNP P62873 EXPRESSION TAG SEQADV 7YS6 MET B 8 UNP P63092-2 INITIATING METHIONINE SEQADV 7YS6 GLY B 9 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 CYS B 10 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 THR B 11 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 LEU B 12 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 SER B 13 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 ALA B 14 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 GLU B 15 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 ASP B 16 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 LYS B 17 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 ALA B 18 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 ALA B 19 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 VAL B 20 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 GLU B 21 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 ARG B 22 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 SER B 23 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 LYS B 24 UNP P63092-2 EXPRESSION TAG SEQADV 7YS6 MET B 25 UNP P63092-2 EXPRESSION TAG SEQRES 1 A 304 GLY GLY SER GLY TRP VAL ALA ALA ALA LEU CYS VAL VAL SEQRES 2 A 304 ILE ALA LEU THR ALA ALA ALA ASN SER LEU LEU ILE ALA SEQRES 3 A 304 LEU ILE CYS THR GLN PRO ALA LEU ARG ASN THR SER ASN SEQRES 4 A 304 PHE PHE LEU VAL SER LEU PHE THR SER ASP LEU MET VAL SEQRES 5 A 304 GLY LEU VAL VAL MET PRO PRO ALA MET LEU ASN ALA LEU SEQRES 6 A 304 TYR GLY ARG TRP VAL LEU ALA ARG GLY LEU CYS LEU LEU SEQRES 7 A 304 TRP THR ALA PHE ASP VAL MET CYS CYS SER ALA SER ILE SEQRES 8 A 304 LEU ASN LEU CYS LEU ILE SER LEU ASP ARG TYR LEU LEU SEQRES 9 A 304 ILE LEU SER PRO LEU ARG TYR LYS LEU ARG MET THR PRO SEQRES 10 A 304 LEU ARG ALA LEU ALA LEU VAL LEU GLY ALA TRP SER LEU SEQRES 11 A 304 ALA ALA LEU ALA SER PHE LEU PRO LEU LEU LEU GLY TRP SEQRES 12 A 304 HIS GLU LEU GLY HIS ALA ARG PRO PRO VAL PRO GLY GLN SEQRES 13 A 304 CYS ARG LEU LEU ALA SER LEU PRO PHE VAL LEU VAL ALA SEQRES 14 A 304 SER GLY LEU THR PHE PHE LEU PRO SER GLY ALA ILE CYS SEQRES 15 A 304 PHE THR TYR CYS ARG ILE LEU LEU ALA ALA ARG LYS GLN SEQRES 16 A 304 ALA VAL GLN VAL ALA SER LEU THR THR GLY MET ALA SER SEQRES 17 A 304 ALA ASP SER ARG ARG LEU ALA THR LYS HIS SER ARG LYS SEQRES 18 A 304 ALA LEU LYS ALA SER LEU THR LEU GLY ILE LEU LEU GLY SEQRES 19 A 304 MET PHE PHE VAL THR TRP LEU PRO PHE PHE VAL ALA ASN SEQRES 20 A 304 ILE VAL GLN ALA VAL CYS ASP CYS ILE SER PRO GLY LEU SEQRES 21 A 304 PHE ASP VAL LEU THR TRP LEU GLY TYR CYS ASN SER THR SEQRES 22 A 304 MET ASN PRO ILE ILE TYR PRO LEU PHE MET ARG ASP PHE SEQRES 23 A 304 LYS ARG ALA LEU GLY ARG PHE LEU PRO CYS PRO ARG CYS SEQRES 24 A 304 PRO ARG GLU ARG GLN SEQRES 1 C 357 MET HIS HIS HIS HIS HIS HIS GLU ASN LEU TYR PHE GLN SEQRES 2 C 357 GLY GLY SER SER GLY SER GLU LEU ASP GLN LEU ARG GLN SEQRES 3 C 357 GLU ALA GLU GLN LEU LYS ASN GLN ILE ARG ASP ALA ARG SEQRES 4 C 357 LYS ALA CYS ALA ASP ALA THR LEU SER GLN ILE THR ASN SEQRES 5 C 357 ASN ILE ASP PRO VAL GLY ARG ILE GLN MET ARG THR ARG SEQRES 6 C 357 ARG THR LEU ARG GLY HIS LEU ALA LYS ILE TYR ALA MET SEQRES 7 C 357 HIS TRP GLY THR ASP SER ARG LEU LEU VAL SER ALA SER SEQRES 8 C 357 GLN ASP GLY LYS LEU ILE ILE TRP ASP SER TYR THR THR SEQRES 9 C 357 ASN LYS VAL HIS ALA ILE PRO LEU ARG SER SER TRP VAL SEQRES 10 C 357 MET THR CYS ALA TYR ALA PRO SER GLY ASN TYR VAL ALA SEQRES 11 C 357 CYS GLY GLY LEU ASP ASN ILE CYS SER ILE TYR ASN LEU SEQRES 12 C 357 LYS THR ARG GLU GLY ASN VAL ARG VAL SER ARG GLU LEU SEQRES 13 C 357 ALA GLY HIS THR GLY TYR LEU SER CYS CYS ARG PHE LEU SEQRES 14 C 357 ASP ASP ASN GLN ILE VAL THR SER SER GLY ASP THR THR SEQRES 15 C 357 CYS ALA LEU TRP ASP ILE GLU THR GLY GLN GLN THR THR SEQRES 16 C 357 THR PHE THR GLY HIS THR GLY ASP VAL MET SER LEU SER SEQRES 17 C 357 LEU ALA PRO ASP THR ARG LEU PHE VAL SER GLY ALA CYS SEQRES 18 C 357 ASP ALA SER ALA LYS LEU TRP ASP VAL ARG GLU GLY MET SEQRES 19 C 357 CYS ARG GLN THR PHE THR GLY HIS GLU SER ASP ILE ASN SEQRES 20 C 357 ALA ILE CYS PHE PHE PRO ASN GLY ASN ALA PHE ALA THR SEQRES 21 C 357 GLY SER ASP ASP ALA THR CYS ARG LEU PHE ASP LEU ARG SEQRES 22 C 357 ALA ASP GLN GLU LEU MET THR TYR SER HIS ASP ASN ILE SEQRES 23 C 357 ILE CYS GLY ILE THR SER VAL SER PHE SER LYS SER GLY SEQRES 24 C 357 ARG LEU LEU LEU ALA GLY TYR ASP ASP PHE ASN CYS ASN SEQRES 25 C 357 VAL TRP ASP ALA LEU LYS ALA ASP ARG ALA GLY VAL LEU SEQRES 26 C 357 ALA GLY HIS ASP ASN ARG VAL SER CYS LEU GLY VAL THR SEQRES 27 C 357 ASP ASP GLY MET ALA VAL ALA THR GLY SER TRP ASP SER SEQRES 28 C 357 PHE LEU LYS ILE TRP ASN SEQRES 1 D 71 MET ALA SER ASN ASN THR ALA SER ILE ALA GLN ALA ARG SEQRES 2 D 71 LYS LEU VAL GLU GLN LEU LYS MET GLU ALA ASN ILE ASP SEQRES 3 D 71 ARG ILE LYS VAL SER LYS ALA ALA ALA ASP LEU MET ALA SEQRES 4 D 71 TYR CYS GLU ALA HIS ALA LYS GLU ASP PRO LEU LEU THR SEQRES 5 D 71 PRO VAL PRO ALA SER GLU ASN PRO PHE ARG GLU LYS LYS SEQRES 6 D 71 PHE PHE CYS ALA ILE LEU SEQRES 1 E 266 ASP VAL GLN LEU VAL GLU SER GLY GLY GLY LEU VAL GLN SEQRES 2 E 266 PRO GLY GLY SER ARG LYS LEU SER CYS SER ALA SER GLY SEQRES 3 E 266 PHE ALA PHE SER SER PHE GLY MET HIS TRP VAL ARG GLN SEQRES 4 E 266 ALA PRO GLU LYS GLY LEU GLU TRP VAL ALA TYR ILE SER SEQRES 5 E 266 SER GLY SER GLY THR ILE TYR TYR ALA ASP THR VAL LYS SEQRES 6 E 266 GLY ARG PHE THR ILE SER ARG ASP ASP PRO LYS ASN THR SEQRES 7 E 266 LEU PHE LEU GLN MET THR SER LEU ARG SER GLU ASP THR SEQRES 8 E 266 ALA MET TYR TYR CYS VAL ARG SER ILE TYR TYR TYR GLY SEQRES 9 E 266 SER SER PRO PHE ASP PHE TRP GLY GLN GLY THR THR LEU SEQRES 10 E 266 THR VAL SER SER GLY GLY GLY GLY SER GLY GLY GLY GLY SEQRES 11 E 266 SER GLY GLY GLY GLY SER ASP ILE VAL MET THR GLN ALA SEQRES 12 E 266 THR SER SER VAL PRO VAL THR PRO GLY GLU SER VAL SER SEQRES 13 E 266 ILE SER CYS ARG SER SER LYS SER LEU LEU HIS SER ASN SEQRES 14 E 266 GLY ASN THR TYR LEU TYR TRP PHE LEU GLN ARG PRO GLY SEQRES 15 E 266 GLN SER PRO GLN LEU LEU ILE TYR ARG MET SER ASN LEU SEQRES 16 E 266 ALA SER GLY VAL PRO ASP ARG PHE SER GLY SER GLY SER SEQRES 17 E 266 GLY THR ALA PHE THR LEU THR ILE SER ARG LEU GLU ALA SEQRES 18 E 266 GLU ASP VAL GLY VAL TYR TYR CYS MET GLN HIS LEU GLU SEQRES 19 E 266 TYR PRO LEU THR PHE GLY ALA GLY THR LYS LEU GLU LEU SEQRES 20 E 266 LYS ALA ALA ALA GLU ASN LEU TYR PHE GLN GLY HIS HIS SEQRES 21 E 266 HIS HIS HIS HIS HIS HIS SEQRES 1 B 373 MET GLY CYS THR LEU SER ALA GLU ASP LYS ALA ALA VAL SEQRES 2 B 373 GLU ARG SER LYS MET ILE GLU LYS GLN LEU GLN LYS ASP SEQRES 3 B 373 LYS GLN VAL TYR ARG ALA THR HIS ARG LEU LEU LEU LEU SEQRES 4 B 373 GLY ALA GLY GLU SER GLY LYS SER THR ILE VAL LYS GLN SEQRES 5 B 373 MET ARG ILE LEU HIS VAL ASN GLY PHE ASN GLY ASP SER SEQRES 6 B 373 GLU LYS ALA THR LYS VAL GLN ASP ILE LYS ASN ASN LEU SEQRES 7 B 373 LYS GLU ALA ILE GLU THR ILE VAL ALA ALA MET SER ASN SEQRES 8 B 373 LEU VAL PRO PRO VAL GLU LEU ALA ASN PRO GLU ASN GLN SEQRES 9 B 373 PHE ARG VAL ASP TYR ILE LEU SER VAL MET ASN VAL PRO SEQRES 10 B 373 ASP PHE ASP PHE PRO PRO GLU PHE TYR GLU HIS ALA LYS SEQRES 11 B 373 ALA LEU TRP GLU ASP GLU GLY VAL ARG ALA CYS TYR GLU SEQRES 12 B 373 ARG SER ASN GLU TYR GLN LEU ILE ASP CYS ALA GLN TYR SEQRES 13 B 373 PHE LEU ASP LYS ILE ASP VAL ILE LYS GLN ALA ASP TYR SEQRES 14 B 373 VAL PRO SER ASP GLN ASP LEU LEU ARG CYS ARG VAL LEU SEQRES 15 B 373 THR SER GLY ILE PHE GLU THR LYS PHE GLN VAL ASP LYS SEQRES 16 B 373 VAL ASN PHE HIS MET PHE ASP VAL GLY GLY GLN ARG ASP SEQRES 17 B 373 GLU ARG ARG LYS TRP ILE GLN CYS PHE ASN ASP VAL THR SEQRES 18 B 373 ALA ILE ILE PHE VAL VAL ALA SER SER SER TYR ASN MET SEQRES 19 B 373 VAL ILE ARG GLU ASP ASN GLN THR ASN ARG LEU GLN GLU SEQRES 20 B 373 ALA LEU ASN LEU PHE LYS SER ILE TRP ASN ASN ARG TRP SEQRES 21 B 373 LEU ARG THR ILE SER VAL ILE LEU PHE LEU ASN LYS GLN SEQRES 22 B 373 ASP LEU LEU ALA GLU LYS VAL LEU ALA GLY LYS SER LYS SEQRES 23 B 373 ILE GLU ASP TYR PHE PRO GLU PHE ALA ARG TYR THR THR SEQRES 24 B 373 PRO GLU ASP ALA THR PRO GLU PRO GLY GLU ASP PRO ARG SEQRES 25 B 373 VAL THR ARG ALA LYS TYR PHE ILE ARG ASP GLU PHE LEU SEQRES 26 B 373 ARG ILE SER THR ALA SER GLY ASP GLY ARG HIS TYR CYS SEQRES 27 B 373 TYR PRO HIS PHE THR CYS ALA VAL ASP THR GLU ASN ILE SEQRES 28 B 373 ARG ARG VAL PHE ASN ASP CYS ARG ASP ILE ILE GLN ARG SEQRES 29 B 373 MET HIS LEU ARG GLN TYR GLU LEU LEU HET SRO A 401 13 HETNAM SRO SEROTONIN HETSYN SRO 3-(2-AMINOETHYL)-1H-INDOL-5-OL FORMUL 6 SRO C10 H12 N2 O HELIX 1 AA1 ALA A 31 GLN A 54 1 24 HELIX 2 AA2 PRO A 55 ARG A 58 5 4 HELIX 3 AA3 ASN A 59 SER A 61 5 3 HELIX 4 AA4 ASN A 62 VAL A 79 1 18 HELIX 5 AA5 VAL A 79 GLY A 90 1 12 HELIX 6 AA6 ALA A 95 GLY A 97 5 3 HELIX 7 AA7 LEU A 98 LEU A 129 1 32 HELIX 8 AA8 ARG A 133 MET A 138 1 6 HELIX 9 AA9 THR A 139 LEU A 160 1 22 HELIX 10 AB1 SER A 185 PHE A 197 1 13 HELIX 11 AB2 PHE A 197 SER A 224 1 28 HELIX 12 AB3 LYS A 265 CYS A 294 1 30 HELIX 13 AB4 SER A 298 ASN A 316 1 19 HELIX 14 AB5 TYR A 320 PHE A 323 5 4 HELIX 15 AB6 MET A 324 LEU A 335 1 12 HELIX 16 AB7 LEU C 21 CYS C 42 1 22 HELIX 17 AB8 THR C 46 THR C 51 1 6 HELIX 18 AB9 ALA D 7 ASN D 24 1 18 HELIX 19 AC1 LYS D 29 HIS D 44 1 16 HELIX 20 AC2 ALA E 28 PHE E 32 5 5 HELIX 21 AC3 ARG E 87 THR E 91 5 5 HELIX 22 AC4 ASP B 16 ARG B 38 1 23 HELIX 23 AC5 THR B 55 MET B 60 1 6 HELIX 24 AC6 ILE B 235 ASN B 239 5 5 HELIX 25 AC7 ASN B 264 ASN B 278 1 15 HELIX 26 AC8 ASP B 295 LYS B 300 1 6 HELIX 27 AC9 SER B 306 TYR B 311 1 6 HELIX 28 AD1 ASP B 331 ALA B 351 1 21 HELIX 29 AD2 GLU B 370 TYR B 391 1 22 SHEET 1 AA1 4 ARG C 66 LEU C 68 0 SHEET 2 AA1 4 LEU C 353 ILE C 355 -1 O ILE C 355 N ARG C 66 SHEET 3 AA1 4 VAL C 344 SER C 348 -1 N THR C 346 O LYS C 354 SHEET 4 AA1 4 VAL C 332 VAL C 337 -1 N GLY C 336 O ALA C 345 SHEET 1 AA2 4 ILE C 75 TRP C 80 0 SHEET 2 AA2 4 LEU C 86 SER C 91 -1 O ALA C 90 N ALA C 77 SHEET 3 AA2 4 LYS C 95 ASP C 100 -1 O TRP C 99 N LEU C 87 SHEET 4 AA2 4 ASN C 105 PRO C 111 -1 O ILE C 110 N LEU C 96 SHEET 1 AA3 4 VAL C 117 TYR C 122 0 SHEET 2 AA3 4 TYR C 128 GLY C 133 -1 O ALA C 130 N ALA C 121 SHEET 3 AA3 4 CYS C 138 ASN C 142 -1 O TYR C 141 N VAL C 129 SHEET 4 AA3 4 ARG C 151 LEU C 156 -1 O SER C 153 N ILE C 140 SHEET 1 AA4 4 LEU C 163 PHE C 168 0 SHEET 2 AA4 4 GLN C 173 SER C 178 -1 O SER C 177 N CYS C 165 SHEET 3 AA4 4 CYS C 183 ASP C 187 -1 O ALA C 184 N THR C 176 SHEET 4 AA4 4 THR C 196 PHE C 197 -1 O PHE C 197 N CYS C 183 SHEET 1 AA5 4 SER C 206 LEU C 209 0 SHEET 2 AA5 4 LEU C 215 GLY C 219 -1 O VAL C 217 N SER C 208 SHEET 3 AA5 4 ALA C 225 ASP C 229 -1 O TRP C 228 N PHE C 216 SHEET 4 AA5 4 CYS C 235 PHE C 239 -1 O ARG C 236 N LEU C 227 SHEET 1 AA6 4 ILE C 246 PHE C 251 0 SHEET 2 AA6 4 ALA C 257 SER C 262 -1 O ALA C 259 N CYS C 250 SHEET 3 AA6 4 THR C 266 ASP C 271 -1 O PHE C 270 N PHE C 258 SHEET 4 AA6 4 GLN C 276 SER C 282 -1 O TYR C 281 N CYS C 267 SHEET 1 AA7 4 VAL C 293 PHE C 295 0 SHEET 2 AA7 4 LEU C 301 GLY C 305 -1 O LEU C 303 N SER C 294 SHEET 3 AA7 4 CYS C 311 ASP C 315 -1 O TRP C 314 N LEU C 302 SHEET 4 AA7 4 ARG C 321 LEU C 325 -1 O LEU C 325 N CYS C 311 SHEET 1 AA8 4 GLN E 3 SER E 7 0 SHEET 2 AA8 4 LEU E 20 SER E 25 -1 O SER E 23 N VAL E 5 SHEET 3 AA8 4 THR E 78 MET E 83 -1 O LEU E 79 N CYS E 22 SHEET 4 AA8 4 PHE E 68 ASP E 73 -1 N THR E 69 O GLN E 82 SHEET 1 AA9 6 LEU E 11 VAL E 12 0 SHEET 2 AA9 6 THR E 115 VAL E 119 1 O THR E 118 N VAL E 12 SHEET 3 AA9 6 ALA E 92 SER E 99 -1 N TYR E 94 O THR E 115 SHEET 4 AA9 6 GLY E 33 GLN E 39 -1 N GLY E 33 O SER E 99 SHEET 5 AA9 6 LEU E 45 ILE E 51 -1 O GLU E 46 N ARG E 38 SHEET 6 AA9 6 ILE E 58 TYR E 60 -1 O TYR E 59 N TYR E 50 SHEET 1 AB1 4 LEU E 11 VAL E 12 0 SHEET 2 AB1 4 THR E 115 VAL E 119 1 O THR E 118 N VAL E 12 SHEET 3 AB1 4 ALA E 92 SER E 99 -1 N TYR E 94 O THR E 115 SHEET 4 AB1 4 PHE E 110 TRP E 111 -1 O PHE E 110 N ARG E 98 SHEET 1 AB2 4 MET E 140 THR E 141 0 SHEET 2 AB2 4 SER E 156 SER E 161 -1 O ARG E 160 N THR E 141 SHEET 3 AB2 4 ALA E 211 ILE E 216 -1 O LEU E 214 N ILE E 157 SHEET 4 AB2 4 PHE E 203 GLY E 207 -1 N SER E 204 O THR E 215 SHEET 1 AB3 6 SER E 146 PRO E 148 0 SHEET 2 AB3 6 THR E 243 GLU E 246 1 O LYS E 244 N VAL E 147 SHEET 3 AB3 6 GLY E 225 TYR E 228 -1 N GLY E 225 O LEU E 245 SHEET 4 AB3 6 TYR E 175 GLN E 179 -1 N GLN E 179 O VAL E 226 SHEET 5 AB3 6 PRO E 185 TYR E 190 -1 O ILE E 189 N TRP E 176 SHEET 6 AB3 6 ASN E 194 LEU E 195 -1 O ASN E 194 N TYR E 190 SHEET 1 AB4 6 ILE B 207 VAL B 214 0 SHEET 2 AB4 6 VAL B 217 VAL B 224 -1 O MET B 221 N THR B 210 SHEET 3 AB4 6 THR B 40 LEU B 46 1 N LEU B 43 O HIS B 220 SHEET 4 AB4 6 ALA B 243 VAL B 248 1 O ILE B 245 N LEU B 44 SHEET 5 AB4 6 VAL B 287 LEU B 291 1 O PHE B 290 N PHE B 246 SHEET 6 AB4 6 CYS B 359 HIS B 362 1 O HIS B 362 N LEU B 291 SSBOND 1 CYS E 22 CYS E 96 1555 1555 2.03 CISPEP 1 TYR E 235 PRO E 236 0 3.54 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