HEADER MEMBRANE PROTEIN 17-FEB-25 9LX5 TITLE CRYO-EM STRUCTURE OF THE P2X1 RECEPTOR BOUND TO ATP COMPND MOL_ID: 1; COMPND 2 MOLECULE: P2X PURINOCEPTOR 1; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: P2X1 ION CHANNEL RECEPTOR,P2X1,ATP RECEPTOR,PURINERGIC COMPND 5 RECEPTOR; COMPND 6 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: P2RX1, P2X1; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS ION CHANNEL, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR Y.QIANG,K.CHEN REVDAT 2 10-SEP-25 9LX5 1 JRNL REVDAT 1 16-APR-25 9LX5 0 JRNL AUTH Y.T.QIANG,P.P.WU,X.LIU,L.PENG,L.K.ZHAO,Y.T.CHEN,Z.B.GAO, JRNL AUTH 2 Q.ZHAO,K.CHEN JRNL TITL STRUCTURAL BASIS OF THE MULTIPLE LIGAND BINDING MECHANISMS JRNL TITL 2 OF THE P2X1 RECEPTOR. JRNL REF ACTA PHARMACOL.SIN. V. 46 2564 2025 JRNL REFN ESSN 1745-7254 JRNL PMID 40175702 JRNL DOI 10.1038/S41401-025-01512-Y REMARK 2 REMARK 2 RESOLUTION. 3.60 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 : AB INITIO MODEL 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) : 3.600 REMARK 3 NUMBER OF PARTICLES : 346074 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 9LX5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 20-FEB-25. REMARK 100 THE DEPOSITION ID IS D_1300056305. 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 : THE ATP-BOUND P2X1 RECEPTOR REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 7.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 8.00 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 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1500.00 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) : 7000.00 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 ILE A 356 REMARK 465 LEU A 357 REMARK 465 LYS B 28 REMARK 465 VAL B 29 REMARK 465 GLY B 30 REMARK 465 HIS B 355 REMARK 465 ILE B 356 REMARK 465 LEU B 357 REMARK 465 LYS C 28 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 LYS A 28 CG CD CE NZ REMARK 470 VAL A 29 CG1 CG2 REMARK 470 VAL A 31 CG1 CG2 REMARK 470 ILE A 32 CG1 CG2 CD1 REMARK 470 PHE A 33 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG A 34 CG CD NE CZ NH1 NH2 REMARK 470 LEU A 35 CG CD1 CD2 REMARK 470 ILE A 36 CG1 CG2 CD1 REMARK 470 GLN A 37 CG CD OE1 NE2 REMARK 470 LEU A 38 CG CD1 CD2 REMARK 470 VAL A 39 CG1 CG2 REMARK 470 LEU A 41 CG CD1 CD2 REMARK 470 TYR A 43 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LYS A 53 CG CD CE NZ REMARK 470 LYS A 111 CG CD CE NZ REMARK 470 GLU A 119 CG CD OE1 OE2 REMARK 470 LYS A 127 CG CD CE NZ REMARK 470 GLU A 128 CG CD OE1 OE2 REMARK 470 ASP A 129 CG OD1 OD2 REMARK 470 THR A 133 OG1 CG2 REMARK 470 LYS A 138 CG CD CE NZ REMARK 470 LYS A 148 CG CD CE NZ REMARK 470 GLU A 160 CG CD OE1 OE2 REMARK 470 ARG A 175 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 208 CG CD OE1 OE2 REMARK 470 LYS A 215 CG CD CE NZ REMARK 470 ASP A 262 CG OD1 OD2 REMARK 470 TYR A 280 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU A 281 CG CD OE1 OE2 REMARK 470 GLU A 282 CG CD OE1 OE2 REMARK 470 LYS A 283 CG CD CE NZ REMARK 470 LEU A 285 CG CD1 CD2 REMARK 470 PHE A 342 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LEU A 348 CG CD1 CD2 REMARK 470 ASP A 350 CG OD1 OD2 REMARK 470 VAL B 31 CG1 CG2 REMARK 470 ILE B 32 CG1 CG2 CD1 REMARK 470 PHE B 33 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG B 34 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 35 CG CD1 CD2 REMARK 470 ILE B 36 CG1 CG2 CD1 REMARK 470 GLN B 37 CG CD OE1 NE2 REMARK 470 LEU B 38 CG CD1 CD2 REMARK 470 VAL B 39 CG1 CG2 REMARK 470 LEU B 41 CG CD1 CD2 REMARK 470 LYS B 111 CG CD CE NZ REMARK 470 LYS B 127 CG CD CE NZ REMARK 470 GLU B 128 CG CD OE1 OE2 REMARK 470 LYS B 138 CG CD CE NZ REMARK 470 LYS B 148 CG CD CE NZ REMARK 470 VAL B 167 CG1 CG2 REMARK 470 LYS B 199 CG CD CE NZ REMARK 470 VAL B 206 CG1 CG2 REMARK 470 GLU B 207 CG CD OE1 OE2 REMARK 470 GLU B 208 CG CD OE1 OE2 REMARK 470 ASP B 262 CG OD1 OD2 REMARK 470 HIS B 266 CG ND1 CD2 CE1 NE2 REMARK 470 GLU B 275 CG CD OE1 OE2 REMARK 470 TYR B 280 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU B 281 CG CD OE1 OE2 REMARK 470 GLU B 282 CG CD OE1 OE2 REMARK 470 LYS B 283 CG CD CE NZ REMARK 470 PHE B 342 CG CD1 CD2 CE1 CE2 CZ REMARK 470 THR B 346 OG1 CG2 REMARK 470 LEU B 348 CG CD1 CD2 REMARK 470 CYS B 349 SG REMARK 470 ASP B 350 CG OD1 OD2 REMARK 470 LEU B 351 CG CD1 CD2 REMARK 470 LEU B 352 CG CD1 CD2 REMARK 470 LEU B 353 CG CD1 CD2 REMARK 470 LEU B 354 CG CD1 CD2 REMARK 470 VAL C 29 CG1 CG2 REMARK 470 VAL C 31 CG1 CG2 REMARK 470 ILE C 32 CG1 CG2 CD1 REMARK 470 PHE C 33 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ARG C 34 CG CD NE CZ NH1 NH2 REMARK 470 LEU C 35 CG CD1 CD2 REMARK 470 ILE C 36 CG1 CG2 CD1 REMARK 470 GLN C 37 CG CD OE1 NE2 REMARK 470 LEU C 38 CG CD1 CD2 REMARK 470 VAL C 39 CG1 CG2 REMARK 470 VAL C 40 CG1 CG2 REMARK 470 LEU C 41 CG CD1 CD2 REMARK 470 VAL C 42 CG1 CG2 REMARK 470 GLU C 52 CG CD OE1 OE2 REMARK 470 LYS C 111 CG CD CE NZ REMARK 470 LYS C 127 CG CD CE NZ REMARK 470 GLU C 128 CG CD OE1 OE2 REMARK 470 LYS C 138 CG CD CE NZ REMARK 470 LYS C 148 CG CD CE NZ REMARK 470 THR C 158 OG1 CG2 REMARK 470 TYR C 234 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU C 246 CG CD1 CD2 REMARK 470 ASP C 262 CG OD1 OD2 REMARK 470 GLU C 281 CG CD OE1 OE2 REMARK 470 GLU C 282 CG CD OE1 OE2 REMARK 470 LYS C 283 CG CD CE NZ REMARK 470 PHE C 326 CG CD1 CD2 CE1 CE2 CZ REMARK 470 PHE C 342 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LEU C 348 CG CD1 CD2 REMARK 470 CYS C 349 SG REMARK 470 ASP C 350 CG OD1 OD2 REMARK 470 LEU C 351 CG CD1 CD2 REMARK 470 LEU C 352 CG CD1 CD2 REMARK 470 LEU C 353 CG CD1 CD2 REMARK 470 LEU C 354 CG CD1 CD2 REMARK 470 HIS C 355 CG ND1 CD2 CE1 NE2 REMARK 470 ILE C 356 CG1 CG2 CD1 REMARK 470 LEU C 357 CG CD1 CD2 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 OG1 THR B 186 N6 ATP B 402 1.30 REMARK 500 OG1 THR C 186 N1 ATP C 401 1.30 REMARK 500 OG1 THR C 186 C6 ATP C 401 2.06 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 TYR A 55 -4.89 69.65 REMARK 500 LEU A 80 -175.38 62.44 REMARK 500 ALA A 94 -1.90 66.68 REMARK 500 ASP A 97 158.01 67.05 REMARK 500 PRO A 121 -176.26 -65.57 REMARK 500 GLU A 122 19.04 51.62 REMARK 500 LYS A 127 -63.91 -93.58 REMARK 500 ASP A 129 28.40 45.99 REMARK 500 ARG A 139 -125.78 61.16 REMARK 500 THR A 155 -6.31 73.15 REMARK 500 GLU A 181 1.22 -63.70 REMARK 500 ARG A 197 -11.32 71.97 REMARK 500 SER A 244 -3.69 67.05 REMARK 500 GLU A 282 -4.08 66.84 REMARK 500 PRO B 78 1.31 -67.24 REMARK 500 ASP B 86 -169.16 -118.40 REMARK 500 ASP B 97 -176.36 -67.48 REMARK 500 LYS B 127 -104.18 53.94 REMARK 500 ARG B 139 -62.22 -95.42 REMARK 500 CYS B 159 -179.71 -176.04 REMARK 500 LEU B 178 155.36 -49.65 REMARK 500 ARG B 180 -163.97 -77.60 REMARK 500 PHE B 195 73.82 52.35 REMARK 500 GLU B 208 -9.05 72.18 REMARK 500 ASN B 210 99.32 -160.67 REMARK 500 LEU B 218 -166.74 -126.90 REMARK 500 TYR B 234 30.73 -99.39 REMARK 500 TRP B 265 48.06 -95.65 REMARK 500 TYR B 280 142.83 71.34 REMARK 500 LYS B 283 -151.09 61.94 REMARK 500 ASN B 284 -177.28 66.10 REMARK 500 ALA B 323 -178.07 59.80 REMARK 500 TYR C 55 49.39 -91.53 REMARK 500 LEU C 77 150.37 67.47 REMARK 500 ASN C 98 15.54 51.81 REMARK 500 PRO C 121 48.84 -74.39 REMARK 500 LYS C 138 -104.84 59.18 REMARK 500 ASN C 153 -123.51 65.22 REMARK 500 LYS C 157 -167.03 62.24 REMARK 500 THR C 158 178.06 178.74 REMARK 500 ALA C 177 -0.84 71.65 REMARK 500 LEU C 178 -95.18 56.29 REMARK 500 GLN C 231 70.43 59.37 REMARK 500 GLU C 282 -169.16 -167.18 REMARK 500 ASN C 300 -95.64 57.70 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63466 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE P2X1 RECEPTOR BOUND TO ATP DBREF 9LX5 A 28 357 UNP P51575 P2RX1_HUMAN 28 357 DBREF 9LX5 B 28 357 UNP P51575 P2RX1_HUMAN 28 357 DBREF 9LX5 C 28 357 UNP P51575 P2RX1_HUMAN 28 357 SEQRES 1 A 330 LYS VAL GLY VAL ILE PHE ARG LEU ILE GLN LEU VAL VAL SEQRES 2 A 330 LEU VAL TYR VAL ILE GLY TRP VAL PHE LEU TYR GLU LYS SEQRES 3 A 330 GLY TYR GLN THR SER SER GLY LEU ILE SER SER VAL SER SEQRES 4 A 330 VAL LYS LEU LYS GLY LEU ALA VAL THR GLN LEU PRO GLY SEQRES 5 A 330 LEU GLY PRO GLN VAL TRP ASP VAL ALA ASP TYR VAL PHE SEQRES 6 A 330 PRO ALA GLN GLY ASP ASN SER PHE VAL VAL MET THR ASN SEQRES 7 A 330 PHE ILE VAL THR PRO LYS GLN THR GLN GLY TYR CYS ALA SEQRES 8 A 330 GLU HIS PRO GLU GLY GLY ILE CYS LYS GLU ASP SER GLY SEQRES 9 A 330 CYS THR PRO GLY LYS ALA LYS ARG LYS ALA GLN GLY ILE SEQRES 10 A 330 ARG THR GLY LYS CYS VAL ALA PHE ASN ASP THR VAL LYS SEQRES 11 A 330 THR CYS GLU ILE PHE GLY TRP CYS PRO VAL GLU VAL ASP SEQRES 12 A 330 ASP ASP ILE PRO ARG PRO ALA LEU LEU ARG GLU ALA GLU SEQRES 13 A 330 ASN PHE THR LEU PHE ILE LYS ASN SER ILE SER PHE PRO SEQRES 14 A 330 ARG PHE LYS VAL ASN ARG ARG ASN LEU VAL GLU GLU VAL SEQRES 15 A 330 ASN ALA ALA HIS MET LYS THR CYS LEU PHE HIS LYS THR SEQRES 16 A 330 LEU HIS PRO LEU CYS PRO VAL PHE GLN LEU GLY TYR VAL SEQRES 17 A 330 VAL GLN GLU SER GLY GLN ASN PHE SER THR LEU ALA GLU SEQRES 18 A 330 LYS GLY GLY VAL VAL GLY ILE THR ILE ASP TRP HIS CYS SEQRES 19 A 330 ASP LEU ASP TRP HIS VAL ARG HIS CYS ARG PRO ILE TYR SEQRES 20 A 330 GLU PHE HIS GLY LEU TYR GLU GLU LYS ASN LEU SER PRO SEQRES 21 A 330 GLY PHE ASN PHE ARG PHE ALA ARG HIS PHE VAL GLU ASN SEQRES 22 A 330 GLY THR ASN TYR ARG HIS LEU PHE LYS VAL PHE GLY ILE SEQRES 23 A 330 ARG PHE ASP ILE LEU VAL ASP GLY LYS ALA GLY LYS PHE SEQRES 24 A 330 ASP ILE ILE PRO THR MET THR THR ILE GLY SER GLY ILE SEQRES 25 A 330 GLY ILE PHE GLY VAL ALA THR VAL LEU CYS ASP LEU LEU SEQRES 26 A 330 LEU LEU HIS ILE LEU SEQRES 1 B 330 LYS VAL GLY VAL ILE PHE ARG LEU ILE GLN LEU VAL VAL SEQRES 2 B 330 LEU VAL TYR VAL ILE GLY TRP VAL PHE LEU TYR GLU LYS SEQRES 3 B 330 GLY TYR GLN THR SER SER GLY LEU ILE SER SER VAL SER SEQRES 4 B 330 VAL LYS LEU LYS GLY LEU ALA VAL THR GLN LEU PRO GLY SEQRES 5 B 330 LEU GLY PRO GLN VAL TRP ASP VAL ALA ASP TYR VAL PHE SEQRES 6 B 330 PRO ALA GLN GLY ASP ASN SER PHE VAL VAL MET THR ASN SEQRES 7 B 330 PHE ILE VAL THR PRO LYS GLN THR GLN GLY TYR CYS ALA SEQRES 8 B 330 GLU HIS PRO GLU GLY GLY ILE CYS LYS GLU ASP SER GLY SEQRES 9 B 330 CYS THR PRO GLY LYS ALA LYS ARG LYS ALA GLN GLY ILE SEQRES 10 B 330 ARG THR GLY LYS CYS VAL ALA PHE ASN ASP THR VAL LYS SEQRES 11 B 330 THR CYS GLU ILE PHE GLY TRP CYS PRO VAL GLU VAL ASP SEQRES 12 B 330 ASP ASP ILE PRO ARG PRO ALA LEU LEU ARG GLU ALA GLU SEQRES 13 B 330 ASN PHE THR LEU PHE ILE LYS ASN SER ILE SER PHE PRO SEQRES 14 B 330 ARG PHE LYS VAL ASN ARG ARG ASN LEU VAL GLU GLU VAL SEQRES 15 B 330 ASN ALA ALA HIS MET LYS THR CYS LEU PHE HIS LYS THR SEQRES 16 B 330 LEU HIS PRO LEU CYS PRO VAL PHE GLN LEU GLY TYR VAL SEQRES 17 B 330 VAL GLN GLU SER GLY GLN ASN PHE SER THR LEU ALA GLU SEQRES 18 B 330 LYS GLY GLY VAL VAL GLY ILE THR ILE ASP TRP HIS CYS SEQRES 19 B 330 ASP LEU ASP TRP HIS VAL ARG HIS CYS ARG PRO ILE TYR SEQRES 20 B 330 GLU PHE HIS GLY LEU TYR GLU GLU LYS ASN LEU SER PRO SEQRES 21 B 330 GLY PHE ASN PHE ARG PHE ALA ARG HIS PHE VAL GLU ASN SEQRES 22 B 330 GLY THR ASN TYR ARG HIS LEU PHE LYS VAL PHE GLY ILE SEQRES 23 B 330 ARG PHE ASP ILE LEU VAL ASP GLY LYS ALA GLY LYS PHE SEQRES 24 B 330 ASP ILE ILE PRO THR MET THR THR ILE GLY SER GLY ILE SEQRES 25 B 330 GLY ILE PHE GLY VAL ALA THR VAL LEU CYS ASP LEU LEU SEQRES 26 B 330 LEU LEU HIS ILE LEU SEQRES 1 C 330 LYS VAL GLY VAL ILE PHE ARG LEU ILE GLN LEU VAL VAL SEQRES 2 C 330 LEU VAL TYR VAL ILE GLY TRP VAL PHE LEU TYR GLU LYS SEQRES 3 C 330 GLY TYR GLN THR SER SER GLY LEU ILE SER SER VAL SER SEQRES 4 C 330 VAL LYS LEU LYS GLY LEU ALA VAL THR GLN LEU PRO GLY SEQRES 5 C 330 LEU GLY PRO GLN VAL TRP ASP VAL ALA ASP TYR VAL PHE SEQRES 6 C 330 PRO ALA GLN GLY ASP ASN SER PHE VAL VAL MET THR ASN SEQRES 7 C 330 PHE ILE VAL THR PRO LYS GLN THR GLN GLY TYR CYS ALA SEQRES 8 C 330 GLU HIS PRO GLU GLY GLY ILE CYS LYS GLU ASP SER GLY SEQRES 9 C 330 CYS THR PRO GLY LYS ALA LYS ARG LYS ALA GLN GLY ILE SEQRES 10 C 330 ARG THR GLY LYS CYS VAL ALA PHE ASN ASP THR VAL LYS SEQRES 11 C 330 THR CYS GLU ILE PHE GLY TRP CYS PRO VAL GLU VAL ASP SEQRES 12 C 330 ASP ASP ILE PRO ARG PRO ALA LEU LEU ARG GLU ALA GLU SEQRES 13 C 330 ASN PHE THR LEU PHE ILE LYS ASN SER ILE SER PHE PRO SEQRES 14 C 330 ARG PHE LYS VAL ASN ARG ARG ASN LEU VAL GLU GLU VAL SEQRES 15 C 330 ASN ALA ALA HIS MET LYS THR CYS LEU PHE HIS LYS THR SEQRES 16 C 330 LEU HIS PRO LEU CYS PRO VAL PHE GLN LEU GLY TYR VAL SEQRES 17 C 330 VAL GLN GLU SER GLY GLN ASN PHE SER THR LEU ALA GLU SEQRES 18 C 330 LYS GLY GLY VAL VAL GLY ILE THR ILE ASP TRP HIS CYS SEQRES 19 C 330 ASP LEU ASP TRP HIS VAL ARG HIS CYS ARG PRO ILE TYR SEQRES 20 C 330 GLU PHE HIS GLY LEU TYR GLU GLU LYS ASN LEU SER PRO SEQRES 21 C 330 GLY PHE ASN PHE ARG PHE ALA ARG HIS PHE VAL GLU ASN SEQRES 22 C 330 GLY THR ASN TYR ARG HIS LEU PHE LYS VAL PHE GLY ILE SEQRES 23 C 330 ARG PHE ASP ILE LEU VAL ASP GLY LYS ALA GLY LYS PHE SEQRES 24 C 330 ASP ILE ILE PRO THR MET THR THR ILE GLY SER GLY ILE SEQRES 25 C 330 GLY ILE PHE GLY VAL ALA THR VAL LEU CYS ASP LEU LEU SEQRES 26 C 330 LEU LEU HIS ILE LEU HET ATP A 401 31 HET CLR A 402 28 HET CLR B 401 28 HET ATP B 402 31 HET ATP C 401 31 HET CLR C 402 28 HETNAM ATP ADENOSINE-5'-TRIPHOSPHATE HETNAM CLR CHOLESTEROL FORMUL 4 ATP 3(C10 H16 N5 O13 P3) FORMUL 5 CLR 3(C27 H46 O) HELIX 1 AA1 LYS A 28 LEU A 50 1 23 HELIX 2 AA2 TYR A 51 LYS A 53 5 3 HELIX 3 AA3 ASP A 86 VAL A 91 1 6 HELIX 4 AA4 LEU A 179 ASN A 184 5 6 HELIX 5 AA5 ASN A 210 LYS A 215 5 6 HELIX 6 AA6 LEU A 232 SER A 239 1 8 HELIX 7 AA7 HIS A 266 CYS A 270 5 5 HELIX 8 AA8 ASP A 327 HIS A 355 1 29 HELIX 9 AA9 ILE B 32 GLU B 52 1 21 HELIX 10 AB1 ASP B 86 VAL B 91 1 6 HELIX 11 AB2 HIS B 120 GLY B 124 5 5 HELIX 12 AB3 GLU B 181 PHE B 185 5 5 HELIX 13 AB4 LEU B 232 GLN B 237 1 6 HELIX 14 AB5 THR B 245 GLY B 250 1 6 HELIX 15 AB6 ASP B 327 LEU B 354 1 28 HELIX 16 AB7 GLY C 30 TYR C 51 1 22 HELIX 17 AB8 ASP C 86 VAL C 91 1 6 HELIX 18 AB9 ASN C 210 LYS C 215 1 6 HELIX 19 AC1 ASN C 242 ALA C 247 1 6 HELIX 20 AC2 ASP C 327 LEU C 357 1 31 SHEET 1 AA1 3 ILE A 62 VAL A 67 0 SHEET 2 AA1 3 THR A 186 PHE A 195 -1 O LYS A 190 N SER A 66 SHEET 3 AA1 3 VAL A 200 ARG A 203 -1 O VAL A 200 N PHE A 195 SHEET 1 AA2 3 ILE A 62 VAL A 67 0 SHEET 2 AA2 3 THR A 186 PHE A 195 -1 O LYS A 190 N SER A 66 SHEET 3 AA2 3 VAL A 229 GLN A 231 -1 O PHE A 230 N LEU A 187 SHEET 1 AA3 4 PHE A 100 ASN A 105 0 SHEET 2 AA3 4 THR A 302 GLY A 324 -1 O PHE A 315 N PHE A 100 SHEET 3 AA3 4 VAL A 252 ASP A 262 1 N VAL A 253 O ARG A 314 SHEET 4 AA3 4 ILE A 273 PHE A 276 -1 O GLU A 275 N THR A 256 SHEET 1 AA4 3 VAL A 108 THR A 109 0 SHEET 2 AA4 3 THR A 302 GLY A 324 -1 O LEU A 307 N THR A 109 SHEET 3 AA4 3 PHE A 291 GLU A 299 -1 N PHE A 293 O PHE A 308 SHEET 1 AA5 3 GLN A 114 ALA A 118 0 SHEET 2 AA5 3 LYS A 157 TRP A 164 -1 O ILE A 161 N CYS A 117 SHEET 3 AA5 3 ILE A 144 ALA A 151 -1 N THR A 146 O GLU A 160 SHEET 1 AA6 3 SER B 63 SER B 64 0 SHEET 2 AA6 3 SER B 192 ILE B 193 -1 O SER B 192 N SER B 64 SHEET 3 AA6 3 ARG B 202 ARG B 203 -1 O ARG B 202 N ILE B 193 SHEET 1 AA7 2 ALA B 73 THR B 75 0 SHEET 2 AA7 2 GLN B 83 TRP B 85 -1 O TRP B 85 N ALA B 73 SHEET 1 AA8 3 SER B 99 VAL B 102 0 SHEET 2 AA8 3 ILE B 313 ILE B 317 -1 O ILE B 313 N VAL B 102 SHEET 3 AA8 3 GLY B 251 ILE B 255 1 N ILE B 255 O ASP B 316 SHEET 1 AA9 2 GLY B 115 ALA B 118 0 SHEET 2 AA9 2 GLU B 160 GLY B 163 -1 O ILE B 161 N CYS B 117 SHEET 1 AB1 2 ASN B 290 VAL B 298 0 SHEET 2 AB1 2 ASN B 303 PHE B 311 -1 O PHE B 308 N PHE B 293 SHEET 1 AB2 3 ILE C 62 SER C 64 0 SHEET 2 AB2 3 SER C 192 PHE C 195 -1 O SER C 192 N SER C 64 SHEET 3 AB2 3 VAL C 200 ARG C 203 -1 O ARG C 202 N ILE C 193 SHEET 1 AB3 2 VAL C 67 LYS C 70 0 SHEET 2 AB3 2 THR C 186 ILE C 189 -1 O PHE C 188 N LYS C 68 SHEET 1 AB4 2 ALA C 73 THR C 75 0 SHEET 2 AB4 2 GLN C 83 TRP C 85 -1 O GLN C 83 N THR C 75 SHEET 1 AB5 4 SER C 99 ASN C 105 0 SHEET 2 AB5 4 THR C 302 LYS C 322 -1 O PHE C 311 N THR C 104 SHEET 3 AB5 4 GLY C 251 HIS C 260 1 N VAL C 253 O ARG C 314 SHEET 4 AB5 4 ILE C 273 HIS C 277 -1 O GLU C 275 N THR C 256 SHEET 1 AB6 3 VAL C 108 GLN C 112 0 SHEET 2 AB6 3 THR C 302 LYS C 322 -1 O LEU C 307 N THR C 109 SHEET 3 AB6 3 ASN C 290 GLU C 299 -1 N GLU C 299 O THR C 302 SHEET 1 AB7 3 GLN C 114 ALA C 118 0 SHEET 2 AB7 3 CYS C 159 TRP C 164 -1 O GLY C 163 N GLY C 115 SHEET 3 AB7 3 ILE C 144 CYS C 149 -1 N LYS C 148 O GLU C 160 SSBOND 1 CYS A 117 CYS A 165 1555 1555 2.03 SSBOND 2 CYS A 126 CYS A 149 1555 1555 2.03 SSBOND 3 CYS A 132 CYS A 159 1555 1555 2.03 SSBOND 4 CYS A 217 CYS A 227 1555 1555 2.03 SSBOND 5 CYS A 261 CYS A 270 1555 1555 2.03 SSBOND 6 CYS B 117 CYS B 165 1555 1555 2.02 SSBOND 7 CYS B 126 CYS B 149 1555 1555 2.03 SSBOND 8 CYS B 132 CYS B 159 1555 1555 2.03 SSBOND 9 CYS B 217 CYS B 227 1555 1555 2.03 SSBOND 10 CYS B 261 CYS B 270 1555 1555 2.03 SSBOND 11 CYS C 117 CYS C 165 1555 1555 2.03 SSBOND 12 CYS C 126 CYS C 149 1555 1555 2.03 SSBOND 13 CYS C 132 CYS C 159 1555 1555 2.03 SSBOND 14 CYS C 217 CYS C 227 1555 1555 2.04 SSBOND 15 CYS C 261 CYS C 270 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 643 969 CONECT 701 846 CONECT 732 921 CONECT 846 701 CONECT 921 732 CONECT 969 643 CONECT 1379 1463 CONECT 1463 1379 CONECT 1722 1801 CONECT 1801 1722 CONECT 3093 3432 CONECT 3155 3305 CONECT 3189 3380 CONECT 3305 3155 CONECT 3380 3189 CONECT 3432 3093 CONECT 3840 3924 CONECT 3924 3840 CONECT 4183 4257 CONECT 4257 4183 CONECT 5524 5861 CONECT 5586 5736 CONECT 5620 5809 CONECT 5736 5586 CONECT 5809 5620 CONECT 5861 5524 CONECT 6285 6369 CONECT 6369 6285 CONECT 6618 6697 CONECT 6697 6618 CONECT 7346 7347 7348 7349 7353 CONECT 7347 7346 CONECT 7348 7346 CONECT 7349 7346 CONECT 7350 7351 7352 7353 7357 CONECT 7351 7350 CONECT 7352 7350 CONECT 7353 7346 7350 CONECT 7354 7355 7356 7357 7358 CONECT 7355 7354 CONECT 7356 7354 CONECT 7357 7350 7354 CONECT 7358 7354 7359 CONECT 7359 7358 7360 CONECT 7360 7359 7361 7362 CONECT 7361 7360 7366 CONECT 7362 7360 7363 7364 CONECT 7363 7362 CONECT 7364 7362 7365 7366 CONECT 7365 7364 CONECT 7366 7361 7364 7367 CONECT 7367 7366 7368 7376 CONECT 7368 7367 7369 CONECT 7369 7368 7370 CONECT 7370 7369 7371 7376 CONECT 7371 7370 7372 7373 CONECT 7372 7371 CONECT 7373 7371 7374 CONECT 7374 7373 7375 CONECT 7375 7374 7376 CONECT 7376 7367 7370 7375 CONECT 7377 7378 7386 CONECT 7378 7377 7379 CONECT 7379 7378 7380 7404 CONECT 7380 7379 7381 CONECT 7381 7380 7382 7386 CONECT 7382 7381 7383 CONECT 7383 7382 7384 CONECT 7384 7383 7385 7390 CONECT 7385 7384 7386 7387 CONECT 7386 7377 7381 7385 7395 CONECT 7387 7385 7388 CONECT 7388 7387 7389 CONECT 7389 7388 7390 7393 7394 CONECT 7390 7384 7389 7391 CONECT 7391 7390 7392 CONECT 7392 7391 7393 CONECT 7393 7389 7392 7396 CONECT 7394 7389 CONECT 7395 7386 CONECT 7396 7393 7397 7398 CONECT 7397 7396 CONECT 7398 7396 7399 CONECT 7399 7398 7400 CONECT 7400 7399 7401 CONECT 7401 7400 7402 7403 CONECT 7402 7401 CONECT 7403 7401 CONECT 7404 7379 CONECT 7405 7406 7414 CONECT 7406 7405 7407 CONECT 7407 7406 7408 7432 CONECT 7408 7407 7409 CONECT 7409 7408 7410 7414 CONECT 7410 7409 7411 CONECT 7411 7410 7412 CONECT 7412 7411 7413 7418 CONECT 7413 7412 7414 7415 CONECT 7414 7405 7409 7413 7423 CONECT 7415 7413 7416 CONECT 7416 7415 7417 CONECT 7417 7416 7418 7421 7422 CONECT 7418 7412 7417 7419 CONECT 7419 7418 7420 CONECT 7420 7419 7421 CONECT 7421 7417 7420 7424 CONECT 7422 7417 CONECT 7423 7414 CONECT 7424 7421 7425 7426 CONECT 7425 7424 CONECT 7426 7424 7427 CONECT 7427 7426 7428 CONECT 7428 7427 7429 CONECT 7429 7428 7430 7431 CONECT 7430 7429 CONECT 7431 7429 CONECT 7432 7407 CONECT 7433 7434 7435 7436 7440 CONECT 7434 7433 CONECT 7435 7433 CONECT 7436 7433 CONECT 7437 7438 7439 7440 7444 CONECT 7438 7437 CONECT 7439 7437 CONECT 7440 7433 7437 CONECT 7441 7442 7443 7444 7445 CONECT 7442 7441 CONECT 7443 7441 CONECT 7444 7437 7441 CONECT 7445 7441 7446 CONECT 7446 7445 7447 CONECT 7447 7446 7448 7449 CONECT 7448 7447 7453 CONECT 7449 7447 7450 7451 CONECT 7450 7449 CONECT 7451 7449 7452 7453 CONECT 7452 7451 CONECT 7453 7448 7451 7454 CONECT 7454 7453 7455 7463 CONECT 7455 7454 7456 CONECT 7456 7455 7457 CONECT 7457 7456 7458 7463 CONECT 7458 7457 7459 7460 CONECT 7459 7458 CONECT 7460 7458 7461 CONECT 7461 7460 7462 CONECT 7462 7461 7463 CONECT 7463 7454 7457 7462 CONECT 7464 7465 7466 7467 7471 CONECT 7465 7464 CONECT 7466 7464 CONECT 7467 7464 CONECT 7468 7469 7470 7471 7475 CONECT 7469 7468 CONECT 7470 7468 CONECT 7471 7464 7468 CONECT 7472 7473 7474 7475 7476 CONECT 7473 7472 CONECT 7474 7472 CONECT 7475 7468 7472 CONECT 7476 7472 7477 CONECT 7477 7476 7478 CONECT 7478 7477 7479 7480 CONECT 7479 7478 7484 CONECT 7480 7478 7481 7482 CONECT 7481 7480 CONECT 7482 7480 7483 7484 CONECT 7483 7482 CONECT 7484 7479 7482 7485 CONECT 7485 7484 7486 7494 CONECT 7486 7485 7487 CONECT 7487 7486 7488 CONECT 7488 7487 7489 7494 CONECT 7489 7488 7490 7491 CONECT 7490 7489 CONECT 7491 7489 7492 CONECT 7492 7491 7493 CONECT 7493 7492 7494 CONECT 7494 7485 7488 7493 CONECT 7495 7496 7504 CONECT 7496 7495 7497 CONECT 7497 7496 7498 7522 CONECT 7498 7497 7499 CONECT 7499 7498 7500 7504 CONECT 7500 7499 7501 CONECT 7501 7500 7502 CONECT 7502 7501 7503 7508 CONECT 7503 7502 7504 7505 CONECT 7504 7495 7499 7503 7513 CONECT 7505 7503 7506 CONECT 7506 7505 7507 CONECT 7507 7506 7508 7511 7512 CONECT 7508 7502 7507 7509 CONECT 7509 7508 7510 CONECT 7510 7509 7511 CONECT 7511 7507 7510 7514 CONECT 7512 7507 CONECT 7513 7504 CONECT 7514 7511 7515 7516 CONECT 7515 7514 CONECT 7516 7514 7517 CONECT 7517 7516 7518 CONECT 7518 7517 7519 CONECT 7519 7518 7520 7521 CONECT 7520 7519 CONECT 7521 7519 CONECT 7522 7497 MASTER 302 0 6 20 45 0 0 6 7519 3 207 78 END