HEADER MEMBRANE PROTEIN 04-AUG-20 7JNC TITLE CRYO-EM STRUCTURE OF HUMAN PROTON-ACTIVATED CHLORIDE CHANNEL PAC AT PH TITLE 2 4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTON-ACTIVATED CHLORIDE CHANNEL; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: HPAC,ACID-SENSITIVE OUTWARDLY-RECTIFYING ANION CHANNEL,ASOR, COMPND 5 PROTON-ACTIVATED OUTWARDLY RECTIFYING ANION CHANNEL,PAORAC, COMPND 6 TRANSMEMBRANE PROTEIN 206,HTMEM206; COMPND 7 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: PACC1, C1ORF75, TMEM206; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS PAC, PACC1, PAORAC, ASOR, TMEM206, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR W.LU,R.RUAN,J.DU REVDAT 4 09-OCT-24 7JNC 1 REMARK REVDAT 3 23-DEC-20 7JNC 1 JRNL REVDAT 2 18-NOV-20 7JNC 1 JRNL REVDAT 1 11-NOV-20 7JNC 0 JRNL AUTH Z.RUAN,J.OSEI-OWUSU,J.DU,Z.QIU,W.LU JRNL TITL STRUCTURES AND PH-SENSING MECHANISM OF THE PROTON-ACTIVATED JRNL TITL 2 CHLORIDE CHANNEL. JRNL REF NATURE V. 588 350 2020 JRNL REFN ESSN 1476-4687 JRNL PMID 33149300 JRNL DOI 10.1038/S41586-020-2875-7 REMARK 2 REMARK 2 RESOLUTION. 3.73 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : GAUTOMATCH, SERIALEM, GCTF, RELION, REMARK 3 RELION, RELION, RELION 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) : 3.730 REMARK 3 NUMBER OF PARTICLES : 48551 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 7JNC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-AUG-20. REMARK 100 THE DEPOSITION ID IS D_1000251091. REMARK 245 REMARK 245 EXPERIMENTAL DETAILS REMARK 245 RECONSTRUCTION METHOD : SINGLE PARTICLE REMARK 245 SPECIMEN TYPE : NULL REMARK 245 REMARK 245 ELECTRON MICROSCOPE SAMPLE REMARK 245 SAMPLE TYPE : PARTICLE REMARK 245 PARTICLE TYPE : POINT REMARK 245 NAME OF SAMPLE : HUMAN PROTON-ACTIVATED CHLORIDE REMARK 245 CHANNEL PAC REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 4.00 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 4.00 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 : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K2 SUMMIT (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1200.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1900.00 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) : 4960.00 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, D, E, F 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 ILE A 2 REMARK 465 ARG A 3 REMARK 465 GLN A 4 REMARK 465 GLU A 5 REMARK 465 ARG A 6 REMARK 465 SER A 7 REMARK 465 THR A 8 REMARK 465 SER A 9 REMARK 465 TYR A 10 REMARK 465 GLN A 11 REMARK 465 GLU A 12 REMARK 465 LEU A 13 REMARK 465 SER A 14 REMARK 465 GLU A 15 REMARK 465 GLU A 16 REMARK 465 LEU A 17 REMARK 465 VAL A 18 REMARK 465 GLN A 19 REMARK 465 VAL A 20 REMARK 465 VAL A 21 REMARK 465 GLU A 22 REMARK 465 ASN A 23 REMARK 465 SER A 24 REMARK 465 GLU A 25 REMARK 465 LEU A 26 REMARK 465 ALA A 27 REMARK 465 ASP A 28 REMARK 465 GLU A 29 REMARK 465 GLN A 30 REMARK 465 ASP A 31 REMARK 465 LYS A 32 REMARK 465 GLU A 33 REMARK 465 THR A 34 REMARK 465 VAL A 35 REMARK 465 ARG A 36 REMARK 465 VAL A 37 REMARK 465 GLN A 38 REMARK 465 GLY A 39 REMARK 465 PRO A 40 REMARK 465 GLY A 41 REMARK 465 ILE A 42 REMARK 465 LEU A 43 REMARK 465 PRO A 44 REMARK 465 GLY A 45 REMARK 465 LEU A 46 REMARK 465 ASP A 47 REMARK 465 SER A 48 REMARK 465 GLU A 49 REMARK 465 SER A 50 REMARK 465 ALA A 51 REMARK 465 SER A 52 REMARK 465 LYS A 340 REMARK 465 ARG A 341 REMARK 465 ARG A 342 REMARK 465 GLY A 343 REMARK 465 GLN A 344 REMARK 465 ALA A 345 REMARK 465 THR A 346 REMARK 465 SER A 347 REMARK 465 HIS A 348 REMARK 465 ILE A 349 REMARK 465 SER A 350 REMARK 465 MET B 1 REMARK 465 ILE B 2 REMARK 465 ARG B 3 REMARK 465 GLN B 4 REMARK 465 GLU B 5 REMARK 465 ARG B 6 REMARK 465 SER B 7 REMARK 465 THR B 8 REMARK 465 SER B 9 REMARK 465 TYR B 10 REMARK 465 GLN B 11 REMARK 465 GLU B 12 REMARK 465 LEU B 13 REMARK 465 SER B 14 REMARK 465 GLU B 15 REMARK 465 GLU B 16 REMARK 465 LEU B 17 REMARK 465 VAL B 18 REMARK 465 GLN B 19 REMARK 465 VAL B 20 REMARK 465 VAL B 21 REMARK 465 GLU B 22 REMARK 465 ASN B 23 REMARK 465 SER B 24 REMARK 465 GLU B 25 REMARK 465 LEU B 26 REMARK 465 ALA B 27 REMARK 465 ASP B 28 REMARK 465 GLU B 29 REMARK 465 GLN B 30 REMARK 465 ASP B 31 REMARK 465 LYS B 32 REMARK 465 GLU B 33 REMARK 465 THR B 34 REMARK 465 VAL B 35 REMARK 465 ARG B 36 REMARK 465 VAL B 37 REMARK 465 GLN B 38 REMARK 465 GLY B 39 REMARK 465 PRO B 40 REMARK 465 GLY B 41 REMARK 465 ILE B 42 REMARK 465 LEU B 43 REMARK 465 PRO B 44 REMARK 465 GLY B 45 REMARK 465 LEU B 46 REMARK 465 ASP B 47 REMARK 465 SER B 48 REMARK 465 GLU B 49 REMARK 465 SER B 50 REMARK 465 ALA B 51 REMARK 465 SER B 52 REMARK 465 LYS B 340 REMARK 465 ARG B 341 REMARK 465 ARG B 342 REMARK 465 GLY B 343 REMARK 465 GLN B 344 REMARK 465 ALA B 345 REMARK 465 THR B 346 REMARK 465 SER B 347 REMARK 465 HIS B 348 REMARK 465 ILE B 349 REMARK 465 SER B 350 REMARK 465 MET C 1 REMARK 465 ILE C 2 REMARK 465 ARG C 3 REMARK 465 GLN C 4 REMARK 465 GLU C 5 REMARK 465 ARG C 6 REMARK 465 SER C 7 REMARK 465 THR C 8 REMARK 465 SER C 9 REMARK 465 TYR C 10 REMARK 465 GLN C 11 REMARK 465 GLU C 12 REMARK 465 LEU C 13 REMARK 465 SER C 14 REMARK 465 GLU C 15 REMARK 465 GLU C 16 REMARK 465 LEU C 17 REMARK 465 VAL C 18 REMARK 465 GLN C 19 REMARK 465 VAL C 20 REMARK 465 VAL C 21 REMARK 465 GLU C 22 REMARK 465 ASN C 23 REMARK 465 SER C 24 REMARK 465 GLU C 25 REMARK 465 LEU C 26 REMARK 465 ALA C 27 REMARK 465 ASP C 28 REMARK 465 GLU C 29 REMARK 465 GLN C 30 REMARK 465 ASP C 31 REMARK 465 LYS C 32 REMARK 465 GLU C 33 REMARK 465 THR C 34 REMARK 465 VAL C 35 REMARK 465 ARG C 36 REMARK 465 VAL C 37 REMARK 465 GLN C 38 REMARK 465 GLY C 39 REMARK 465 PRO C 40 REMARK 465 GLY C 41 REMARK 465 ILE C 42 REMARK 465 LEU C 43 REMARK 465 PRO C 44 REMARK 465 GLY C 45 REMARK 465 LEU C 46 REMARK 465 ASP C 47 REMARK 465 SER C 48 REMARK 465 GLU C 49 REMARK 465 SER C 50 REMARK 465 ALA C 51 REMARK 465 SER C 52 REMARK 465 LYS C 340 REMARK 465 ARG C 341 REMARK 465 ARG C 342 REMARK 465 GLY C 343 REMARK 465 GLN C 344 REMARK 465 ALA C 345 REMARK 465 THR C 346 REMARK 465 SER C 347 REMARK 465 HIS C 348 REMARK 465 ILE C 349 REMARK 465 SER C 350 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 SER A 53 OG REMARK 470 SER A 54 OG REMARK 470 ILE A 55 CG1 CG2 CD1 REMARK 470 ARG A 56 CG CD NE CZ NH1 NH2 REMARK 470 PHE A 57 CG CD1 CD2 CE1 CE2 CZ REMARK 470 SER A 58 OG REMARK 470 LYS A 59 CG CD CE NZ REMARK 470 CYS A 61 SG REMARK 470 LEU A 62 CG CD1 CD2 REMARK 470 LYS A 63 CG CD CE NZ REMARK 470 ASN A 64 CG OD1 ND2 REMARK 470 ARG A 87 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 122 CG CD OE1 NE2 REMARK 470 LYS A 129 CG CD CE NZ REMARK 470 GLU A 133 CG CD OE1 OE2 REMARK 470 VAL A 134 CG1 CG2 REMARK 470 ILE A 135 CG1 CG2 CD1 REMARK 470 SER A 140 OG REMARK 470 GLN A 143 CG CD OE1 NE2 REMARK 470 ASP A 146 CG OD1 OD2 REMARK 470 MET A 147 CG SD CE REMARK 470 ASP A 158 CG OD1 OD2 REMARK 470 SER A 161 OG REMARK 470 GLN A 163 CG CD OE1 NE2 REMARK 470 THR A 164 OG1 CG2 REMARK 470 SER A 167 OG REMARK 470 LYS A 191 CG CD CE NZ REMARK 470 SER A 192 OG REMARK 470 SER A 193 OG REMARK 470 GLU A 194 CG CD OE1 OE2 REMARK 470 ASP A 195 CG OD1 OD2 REMARK 470 GLN A 208 CG CD OE1 NE2 REMARK 470 GLU A 209 CG CD OE1 OE2 REMARK 470 GLN A 212 CG CD OE1 NE2 REMARK 470 SER A 213 OG REMARK 470 ASN A 215 CG OD1 ND2 REMARK 470 SER A 229 OG REMARK 470 ILE A 268 CG1 CG2 CD1 REMARK 470 ASP A 269 CG OD1 OD2 REMARK 470 GLN A 270 CG CD OE1 NE2 REMARK 470 ARG A 271 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 275 CG CD CE NZ REMARK 470 LYS A 276 CG CD CE NZ REMARK 470 SER A 277 OG REMARK 470 GLN A 296 CG CD OE1 NE2 REMARK 470 ASP A 297 CG OD1 OD2 REMARK 470 GLU A 322 CG CD OE1 OE2 REMARK 470 PHE A 323 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 325 CG CD CE NZ REMARK 470 LEU A 326 CG CD1 CD2 REMARK 470 SER A 327 OG REMARK 470 ILE A 328 CG1 CG2 CD1 REMARK 470 LYS A 329 CG CD CE NZ REMARK 470 TRP A 330 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 330 CZ3 CH2 REMARK 470 MET A 331 CG SD CE REMARK 470 ILE A 332 CG1 CG2 CD1 REMARK 470 LYS A 333 CG CD CE NZ REMARK 470 ILE A 334 CG1 CG2 CD1 REMARK 470 ARG A 335 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 336 CG CD CE NZ REMARK 470 ARG A 337 CG CD NE CZ NH1 NH2 REMARK 470 TYR A 338 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU A 339 CG CD1 CD2 REMARK 470 SER B 53 OG REMARK 470 SER B 54 OG REMARK 470 ILE B 55 CG1 CG2 CD1 REMARK 470 ARG B 56 CG CD NE CZ NH1 NH2 REMARK 470 PHE B 57 CG CD1 CD2 CE1 CE2 CZ REMARK 470 SER B 58 OG REMARK 470 LYS B 59 CG CD CE NZ REMARK 470 CYS B 61 SG REMARK 470 LEU B 62 CG CD1 CD2 REMARK 470 LYS B 63 CG CD CE NZ REMARK 470 ASN B 64 CG OD1 ND2 REMARK 470 ARG B 87 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 122 CG CD OE1 NE2 REMARK 470 LYS B 129 CG CD CE NZ REMARK 470 GLU B 133 CG CD OE1 OE2 REMARK 470 VAL B 134 CG1 CG2 REMARK 470 ILE B 135 CG1 CG2 CD1 REMARK 470 SER B 140 OG REMARK 470 GLN B 143 CG CD OE1 NE2 REMARK 470 ASP B 146 CG OD1 OD2 REMARK 470 MET B 147 CG SD CE REMARK 470 ASP B 158 CG OD1 OD2 REMARK 470 SER B 161 OG REMARK 470 GLN B 163 CG CD OE1 NE2 REMARK 470 THR B 164 OG1 CG2 REMARK 470 SER B 167 OG REMARK 470 LYS B 191 CG CD CE NZ REMARK 470 SER B 192 OG REMARK 470 SER B 193 OG REMARK 470 GLU B 194 CG CD OE1 OE2 REMARK 470 ASP B 195 CG OD1 OD2 REMARK 470 GLN B 208 CG CD OE1 NE2 REMARK 470 GLU B 209 CG CD OE1 OE2 REMARK 470 GLN B 212 CG CD OE1 NE2 REMARK 470 SER B 213 OG REMARK 470 ASN B 215 CG OD1 ND2 REMARK 470 SER B 229 OG REMARK 470 ILE B 268 CG1 CG2 CD1 REMARK 470 ASP B 269 CG OD1 OD2 REMARK 470 GLN B 270 CG CD OE1 NE2 REMARK 470 ARG B 271 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 275 CG CD CE NZ REMARK 470 LYS B 276 CG CD CE NZ REMARK 470 SER B 277 OG REMARK 470 GLN B 296 CG CD OE1 NE2 REMARK 470 ASP B 297 CG OD1 OD2 REMARK 470 GLU B 322 CG CD OE1 OE2 REMARK 470 PHE B 323 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 325 CG CD CE NZ REMARK 470 LEU B 326 CG CD1 CD2 REMARK 470 SER B 327 OG REMARK 470 ILE B 328 CG1 CG2 CD1 REMARK 470 LYS B 329 CG CD CE NZ REMARK 470 TRP B 330 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP B 330 CZ3 CH2 REMARK 470 MET B 331 CG SD CE REMARK 470 ILE B 332 CG1 CG2 CD1 REMARK 470 LYS B 333 CG CD CE NZ REMARK 470 ILE B 334 CG1 CG2 CD1 REMARK 470 ARG B 335 CG CD NE CZ NH1 NH2 REMARK 470 LYS B 336 CG CD CE NZ REMARK 470 ARG B 337 CG CD NE CZ NH1 NH2 REMARK 470 TYR B 338 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU B 339 CG CD1 CD2 REMARK 470 SER C 53 OG REMARK 470 SER C 54 OG REMARK 470 ILE C 55 CG1 CG2 CD1 REMARK 470 ARG C 56 CG CD NE CZ NH1 NH2 REMARK 470 PHE C 57 CG CD1 CD2 CE1 CE2 CZ REMARK 470 SER C 58 OG REMARK 470 LYS C 59 CG CD CE NZ REMARK 470 CYS C 61 SG REMARK 470 LEU C 62 CG CD1 CD2 REMARK 470 LYS C 63 CG CD CE NZ REMARK 470 ASN C 64 CG OD1 ND2 REMARK 470 ARG C 87 CG CD NE CZ NH1 NH2 REMARK 470 GLN C 122 CG CD OE1 NE2 REMARK 470 LYS C 129 CG CD CE NZ REMARK 470 GLU C 133 CG CD OE1 OE2 REMARK 470 VAL C 134 CG1 CG2 REMARK 470 ILE C 135 CG1 CG2 CD1 REMARK 470 SER C 140 OG REMARK 470 GLN C 143 CG CD OE1 NE2 REMARK 470 ASP C 146 CG OD1 OD2 REMARK 470 MET C 147 CG SD CE REMARK 470 ASP C 158 CG OD1 OD2 REMARK 470 SER C 161 OG REMARK 470 GLN C 163 CG CD OE1 NE2 REMARK 470 THR C 164 OG1 CG2 REMARK 470 SER C 167 OG REMARK 470 LYS C 191 CG CD CE NZ REMARK 470 SER C 192 OG REMARK 470 SER C 193 OG REMARK 470 GLU C 194 CG CD OE1 OE2 REMARK 470 ASP C 195 CG OD1 OD2 REMARK 470 GLN C 208 CG CD OE1 NE2 REMARK 470 GLU C 209 CG CD OE1 OE2 REMARK 470 GLN C 212 CG CD OE1 NE2 REMARK 470 SER C 213 OG REMARK 470 ASN C 215 CG OD1 ND2 REMARK 470 SER C 229 OG REMARK 470 ILE C 268 CG1 CG2 CD1 REMARK 470 ASP C 269 CG OD1 OD2 REMARK 470 GLN C 270 CG CD OE1 NE2 REMARK 470 ARG C 271 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 275 CG CD CE NZ REMARK 470 LYS C 276 CG CD CE NZ REMARK 470 SER C 277 OG REMARK 470 GLN C 296 CG CD OE1 NE2 REMARK 470 ASP C 297 CG OD1 OD2 REMARK 470 GLU C 322 CG CD OE1 OE2 REMARK 470 PHE C 323 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS C 325 CG CD CE NZ REMARK 470 LEU C 326 CG CD1 CD2 REMARK 470 SER C 327 OG REMARK 470 ILE C 328 CG1 CG2 CD1 REMARK 470 LYS C 329 CG CD CE NZ REMARK 470 TRP C 330 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP C 330 CZ3 CH2 REMARK 470 MET C 331 CG SD CE REMARK 470 ILE C 332 CG1 CG2 CD1 REMARK 470 LYS C 333 CG CD CE NZ REMARK 470 ILE C 334 CG1 CG2 CD1 REMARK 470 ARG C 335 CG CD NE CZ NH1 NH2 REMARK 470 LYS C 336 CG CD CE NZ REMARK 470 ARG C 337 CG CD NE CZ NH1 NH2 REMARK 470 TYR C 338 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 LEU C 339 CG CD1 CD2 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 119 67.31 -116.29 REMARK 500 PRO A 137 -178.33 -69.69 REMARK 500 ASN A 162 -0.53 64.03 REMARK 500 ASP A 195 -2.13 66.14 REMARK 500 TYR B 119 67.32 -116.33 REMARK 500 PRO B 137 -178.36 -69.64 REMARK 500 ASN B 162 -0.50 63.99 REMARK 500 ASP B 195 -2.17 66.20 REMARK 500 TYR C 119 67.32 -116.28 REMARK 500 PRO C 137 -178.31 -69.75 REMARK 500 ASN C 162 -0.51 64.01 REMARK 500 ASP C 195 -2.16 66.13 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-22403 RELATED DB: EMDB REMARK 900 RELATED ID: 7JNA RELATED DB: PDB REMARK 900 RELATED ID: EMD-22404 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF HUMAN PROTON-ACTIVATED CHLORIDE CHANNEL PAC AT REMARK 900 PH 4 DBREF 7JNC A 1 350 UNP Q9H813 PACC1_HUMAN 1 350 DBREF 7JNC B 1 350 UNP Q9H813 PACC1_HUMAN 1 350 DBREF 7JNC C 1 350 UNP Q9H813 PACC1_HUMAN 1 350 SEQRES 1 A 350 MET ILE ARG GLN GLU ARG SER THR SER TYR GLN GLU LEU SEQRES 2 A 350 SER GLU GLU LEU VAL GLN VAL VAL GLU ASN SER GLU LEU SEQRES 3 A 350 ALA ASP GLU GLN ASP LYS GLU THR VAL ARG VAL GLN GLY SEQRES 4 A 350 PRO GLY ILE LEU PRO GLY LEU ASP SER GLU SER ALA SER SEQRES 5 A 350 SER SER ILE ARG PHE SER LYS ALA CYS LEU LYS ASN VAL SEQRES 6 A 350 PHE SER VAL LEU LEU ILE PHE ILE TYR LEU LEU LEU MET SEQRES 7 A 350 ALA VAL ALA VAL PHE LEU VAL TYR ARG THR ILE THR ASP SEQRES 8 A 350 PHE ARG GLU LYS LEU LYS HIS PRO VAL MET SER VAL SER SEQRES 9 A 350 TYR LYS GLU VAL ASP ARG TYR ASP ALA PRO GLY ILE ALA SEQRES 10 A 350 LEU TYR PRO GLY GLN ALA GLN LEU LEU SER CYS LYS HIS SEQRES 11 A 350 HIS TYR GLU VAL ILE PRO PRO LEU THR SER PRO GLY GLN SEQRES 12 A 350 PRO GLY ASP MET ASN CYS THR THR GLN ARG ILE ASN TYR SEQRES 13 A 350 THR ASP PRO PHE SER ASN GLN THR VAL LYS SER ALA LEU SEQRES 14 A 350 ILE VAL GLN GLY PRO ARG GLU VAL LYS LYS ARG GLU LEU SEQRES 15 A 350 VAL PHE LEU GLN PHE ARG LEU ASN LYS SER SER GLU ASP SEQRES 16 A 350 PHE SER ALA ILE ASP TYR LEU LEU PHE SER SER PHE GLN SEQRES 17 A 350 GLU PHE LEU GLN SER PRO ASN ARG VAL GLY PHE MET GLN SEQRES 18 A 350 ALA CYS GLU SER ALA TYR SER SER TRP LYS PHE SER GLY SEQRES 19 A 350 GLY PHE ARG THR TRP VAL LYS MET SER LEU VAL LYS THR SEQRES 20 A 350 LYS GLU GLU ASP GLY ARG GLU ALA VAL GLU PHE ARG GLN SEQRES 21 A 350 GLU THR SER VAL VAL ASN TYR ILE ASP GLN ARG PRO ALA SEQRES 22 A 350 ALA LYS LYS SER ALA GLN LEU PHE PHE VAL VAL PHE GLU SEQRES 23 A 350 TRP LYS ASP PRO PHE ILE GLN LYS VAL GLN ASP ILE VAL SEQRES 24 A 350 THR ALA ASN PRO TRP ASN THR ILE ALA LEU LEU CYS GLY SEQRES 25 A 350 ALA PHE LEU ALA LEU PHE LYS ALA ALA GLU PHE ALA LYS SEQRES 26 A 350 LEU SER ILE LYS TRP MET ILE LYS ILE ARG LYS ARG TYR SEQRES 27 A 350 LEU LYS ARG ARG GLY GLN ALA THR SER HIS ILE SER SEQRES 1 B 350 MET ILE ARG GLN GLU ARG SER THR SER TYR GLN GLU LEU SEQRES 2 B 350 SER GLU GLU LEU VAL GLN VAL VAL GLU ASN SER GLU LEU SEQRES 3 B 350 ALA ASP GLU GLN ASP LYS GLU THR VAL ARG VAL GLN GLY SEQRES 4 B 350 PRO GLY ILE LEU PRO GLY LEU ASP SER GLU SER ALA SER SEQRES 5 B 350 SER SER ILE ARG PHE SER LYS ALA CYS LEU LYS ASN VAL SEQRES 6 B 350 PHE SER VAL LEU LEU ILE PHE ILE TYR LEU LEU LEU MET SEQRES 7 B 350 ALA VAL ALA VAL PHE LEU VAL TYR ARG THR ILE THR ASP SEQRES 8 B 350 PHE ARG GLU LYS LEU LYS HIS PRO VAL MET SER VAL SER SEQRES 9 B 350 TYR LYS GLU VAL ASP ARG TYR ASP ALA PRO GLY ILE ALA SEQRES 10 B 350 LEU TYR PRO GLY GLN ALA GLN LEU LEU SER CYS LYS HIS SEQRES 11 B 350 HIS TYR GLU VAL ILE PRO PRO LEU THR SER PRO GLY GLN SEQRES 12 B 350 PRO GLY ASP MET ASN CYS THR THR GLN ARG ILE ASN TYR SEQRES 13 B 350 THR ASP PRO PHE SER ASN GLN THR VAL LYS SER ALA LEU SEQRES 14 B 350 ILE VAL GLN GLY PRO ARG GLU VAL LYS LYS ARG GLU LEU SEQRES 15 B 350 VAL PHE LEU GLN PHE ARG LEU ASN LYS SER SER GLU ASP SEQRES 16 B 350 PHE SER ALA ILE ASP TYR LEU LEU PHE SER SER PHE GLN SEQRES 17 B 350 GLU PHE LEU GLN SER PRO ASN ARG VAL GLY PHE MET GLN SEQRES 18 B 350 ALA CYS GLU SER ALA TYR SER SER TRP LYS PHE SER GLY SEQRES 19 B 350 GLY PHE ARG THR TRP VAL LYS MET SER LEU VAL LYS THR SEQRES 20 B 350 LYS GLU GLU ASP GLY ARG GLU ALA VAL GLU PHE ARG GLN SEQRES 21 B 350 GLU THR SER VAL VAL ASN TYR ILE ASP GLN ARG PRO ALA SEQRES 22 B 350 ALA LYS LYS SER ALA GLN LEU PHE PHE VAL VAL PHE GLU SEQRES 23 B 350 TRP LYS ASP PRO PHE ILE GLN LYS VAL GLN ASP ILE VAL SEQRES 24 B 350 THR ALA ASN PRO TRP ASN THR ILE ALA LEU LEU CYS GLY SEQRES 25 B 350 ALA PHE LEU ALA LEU PHE LYS ALA ALA GLU PHE ALA LYS SEQRES 26 B 350 LEU SER ILE LYS TRP MET ILE LYS ILE ARG LYS ARG TYR SEQRES 27 B 350 LEU LYS ARG ARG GLY GLN ALA THR SER HIS ILE SER SEQRES 1 C 350 MET ILE ARG GLN GLU ARG SER THR SER TYR GLN GLU LEU SEQRES 2 C 350 SER GLU GLU LEU VAL GLN VAL VAL GLU ASN SER GLU LEU SEQRES 3 C 350 ALA ASP GLU GLN ASP LYS GLU THR VAL ARG VAL GLN GLY SEQRES 4 C 350 PRO GLY ILE LEU PRO GLY LEU ASP SER GLU SER ALA SER SEQRES 5 C 350 SER SER ILE ARG PHE SER LYS ALA CYS LEU LYS ASN VAL SEQRES 6 C 350 PHE SER VAL LEU LEU ILE PHE ILE TYR LEU LEU LEU MET SEQRES 7 C 350 ALA VAL ALA VAL PHE LEU VAL TYR ARG THR ILE THR ASP SEQRES 8 C 350 PHE ARG GLU LYS LEU LYS HIS PRO VAL MET SER VAL SER SEQRES 9 C 350 TYR LYS GLU VAL ASP ARG TYR ASP ALA PRO GLY ILE ALA SEQRES 10 C 350 LEU TYR PRO GLY GLN ALA GLN LEU LEU SER CYS LYS HIS SEQRES 11 C 350 HIS TYR GLU VAL ILE PRO PRO LEU THR SER PRO GLY GLN SEQRES 12 C 350 PRO GLY ASP MET ASN CYS THR THR GLN ARG ILE ASN TYR SEQRES 13 C 350 THR ASP PRO PHE SER ASN GLN THR VAL LYS SER ALA LEU SEQRES 14 C 350 ILE VAL GLN GLY PRO ARG GLU VAL LYS LYS ARG GLU LEU SEQRES 15 C 350 VAL PHE LEU GLN PHE ARG LEU ASN LYS SER SER GLU ASP SEQRES 16 C 350 PHE SER ALA ILE ASP TYR LEU LEU PHE SER SER PHE GLN SEQRES 17 C 350 GLU PHE LEU GLN SER PRO ASN ARG VAL GLY PHE MET GLN SEQRES 18 C 350 ALA CYS GLU SER ALA TYR SER SER TRP LYS PHE SER GLY SEQRES 19 C 350 GLY PHE ARG THR TRP VAL LYS MET SER LEU VAL LYS THR SEQRES 20 C 350 LYS GLU GLU ASP GLY ARG GLU ALA VAL GLU PHE ARG GLN SEQRES 21 C 350 GLU THR SER VAL VAL ASN TYR ILE ASP GLN ARG PRO ALA SEQRES 22 C 350 ALA LYS LYS SER ALA GLN LEU PHE PHE VAL VAL PHE GLU SEQRES 23 C 350 TRP LYS ASP PRO PHE ILE GLN LYS VAL GLN ASP ILE VAL SEQRES 24 C 350 THR ALA ASN PRO TRP ASN THR ILE ALA LEU LEU CYS GLY SEQRES 25 C 350 ALA PHE LEU ALA LEU PHE LYS ALA ALA GLU PHE ALA LYS SEQRES 26 C 350 LEU SER ILE LYS TRP MET ILE LYS ILE ARG LYS ARG TYR SEQRES 27 C 350 LEU LYS ARG ARG GLY GLN ALA THR SER HIS ILE SER HET NAG D 1 14 HET NAG D 2 14 HET NAG E 1 14 HET NAG E 2 14 HET NAG F 1 14 HET NAG F 2 14 HET NAG A 401 14 HET NAG A 402 14 HET NAG A 403 14 HET NAG B 401 14 HET NAG B 402 14 HET NAG B 403 14 HET NAG C 401 14 HET NAG C 402 14 HET NAG C 403 14 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 4 NAG 15(C8 H15 N O6) HELIX 1 AA1 SER A 53 LEU A 96 1 44 HELIX 2 AA2 SER A 206 GLN A 212 1 7 HELIX 3 AA3 ASN A 215 ALA A 226 1 12 HELIX 4 AA4 ASP A 297 ASN A 302 1 6 HELIX 5 AA5 ASN A 302 LEU A 339 1 38 HELIX 6 AA6 SER B 54 LEU B 96 1 43 HELIX 7 AA7 SER B 206 GLN B 212 1 7 HELIX 8 AA8 ASN B 215 ALA B 226 1 12 HELIX 9 AA9 ASP B 297 ASN B 302 1 6 HELIX 10 AB1 ASN B 302 LEU B 339 1 38 HELIX 11 AB2 SER C 54 LEU C 96 1 43 HELIX 12 AB3 SER C 206 GLN C 212 1 7 HELIX 13 AB4 ASN C 215 ALA C 226 1 12 HELIX 14 AB5 ASP C 297 ASN C 302 1 6 HELIX 15 AB6 ASN C 302 LEU C 339 1 38 SHEET 1 AA1 5 VAL A 100 MET A 101 0 SHEET 2 AA1 5 SER B 104 GLU B 107 -1 O TYR B 105 N MET A 101 SHEET 3 AA1 5 PHE B 291 VAL B 295 -1 O LYS B 294 N SER B 104 SHEET 4 AA1 5 LEU B 244 LYS B 248 1 N LYS B 248 O VAL B 295 SHEET 5 AA1 5 GLU B 254 PHE B 258 -1 O GLU B 257 N VAL B 245 SHEET 1 AA2 5 GLU A 254 PHE A 258 0 SHEET 2 AA2 5 LEU A 244 LYS A 248 -1 N VAL A 245 O GLU A 257 SHEET 3 AA2 5 PHE A 291 VAL A 295 1 O VAL A 295 N LYS A 248 SHEET 4 AA2 5 SER A 104 GLU A 107 -1 N SER A 104 O LYS A 294 SHEET 5 AA2 5 VAL C 100 MET C 101 -1 O MET C 101 N TYR A 105 SHEET 1 AA3 3 LEU A 118 TYR A 119 0 SHEET 2 AA3 3 ALA A 198 TYR A 201 -1 O ASP A 200 N TYR A 119 SHEET 3 AA3 3 TRP A 230 SER A 233 -1 O TRP A 230 N TYR A 201 SHEET 1 AA4 5 GLN A 124 HIS A 131 0 SHEET 2 AA4 5 LEU A 182 ARG A 188 -1 O GLN A 186 N LEU A 126 SHEET 3 AA4 5 PHE A 282 TRP A 287 -1 O PHE A 285 N VAL A 183 SHEET 4 AA4 5 PHE A 236 MET A 242 1 N VAL A 240 O VAL A 284 SHEET 5 AA4 5 GLU A 261 ASN A 266 -1 O VAL A 265 N ARG A 237 SHEET 1 AA5 2 THR A 151 THR A 157 0 SHEET 2 AA5 2 VAL A 165 VAL A 171 -1 O ALA A 168 N ILE A 154 SHEET 1 AA6 5 VAL B 100 MET B 101 0 SHEET 2 AA6 5 SER C 104 GLU C 107 -1 O TYR C 105 N MET B 101 SHEET 3 AA6 5 PHE C 291 VAL C 295 -1 O LYS C 294 N SER C 104 SHEET 4 AA6 5 LEU C 244 LYS C 248 1 N LYS C 248 O VAL C 295 SHEET 5 AA6 5 GLU C 254 PHE C 258 -1 O GLU C 257 N VAL C 245 SHEET 1 AA7 3 LEU B 118 TYR B 119 0 SHEET 2 AA7 3 ALA B 198 TYR B 201 -1 O ASP B 200 N TYR B 119 SHEET 3 AA7 3 TRP B 230 SER B 233 -1 O TRP B 230 N TYR B 201 SHEET 1 AA8 5 GLN B 124 HIS B 131 0 SHEET 2 AA8 5 LEU B 182 ARG B 188 -1 O GLN B 186 N LEU B 126 SHEET 3 AA8 5 PHE B 282 TRP B 287 -1 O PHE B 285 N VAL B 183 SHEET 4 AA8 5 PHE B 236 MET B 242 1 N VAL B 240 O VAL B 284 SHEET 5 AA8 5 GLU B 261 ASN B 266 -1 O VAL B 265 N ARG B 237 SHEET 1 AA9 2 THR B 151 THR B 157 0 SHEET 2 AA9 2 VAL B 165 VAL B 171 -1 O ALA B 168 N ILE B 154 SHEET 1 AB1 3 LEU C 118 TYR C 119 0 SHEET 2 AB1 3 ALA C 198 TYR C 201 -1 O ASP C 200 N TYR C 119 SHEET 3 AB1 3 TRP C 230 SER C 233 -1 O TRP C 230 N TYR C 201 SHEET 1 AB2 5 GLN C 124 HIS C 131 0 SHEET 2 AB2 5 LEU C 182 ARG C 188 -1 O GLN C 186 N LEU C 126 SHEET 3 AB2 5 PHE C 282 TRP C 287 -1 O PHE C 285 N VAL C 183 SHEET 4 AB2 5 PHE C 236 MET C 242 1 N VAL C 240 O VAL C 284 SHEET 5 AB2 5 GLU C 261 ASN C 266 -1 O VAL C 265 N ARG C 237 SHEET 1 AB3 2 THR C 151 THR C 157 0 SHEET 2 AB3 2 VAL C 165 VAL C 171 -1 O ALA C 168 N ILE C 154 SSBOND 1 CYS A 128 CYS A 149 1555 1555 2.03 SSBOND 2 CYS B 128 CYS B 149 1555 1555 2.03 SSBOND 3 CYS C 128 CYS C 149 1555 1555 2.03 LINK ND2 ASN A 148 C1 NAG A 401 1555 1555 1.44 LINK ND2 ASN A 155 C1 NAG D 1 1555 1555 1.43 LINK ND2 ASN A 162 C1 NAG A 402 1555 1555 1.44 LINK ND2 ASN A 190 C1 NAG A 403 1555 1555 1.44 LINK ND2 ASN B 148 C1 NAG B 401 1555 1555 1.44 LINK ND2 ASN B 155 C1 NAG E 1 1555 1555 1.43 LINK ND2 ASN B 162 C1 NAG B 402 1555 1555 1.44 LINK ND2 ASN B 190 C1 NAG B 403 1555 1555 1.44 LINK ND2 ASN C 148 C1 NAG C 401 1555 1555 1.44 LINK ND2 ASN C 155 C1 NAG F 1 1555 1555 1.43 LINK ND2 ASN C 162 C1 NAG C 402 1555 1555 1.44 LINK ND2 ASN C 190 C1 NAG C 403 1555 1555 1.44 LINK O4 NAG D 1 C1 NAG D 2 1555 1555 1.44 LINK O4 NAG E 1 C1 NAG E 2 1555 1555 1.44 LINK O4 NAG F 1 C1 NAG F 2 1555 1555 1.44 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