HEADER MEMBRANE PROTEIN 15-JUN-21 7N8P TITLE CLC-EC1 AT PH 4.5 100MM CL SWAP COMPND MOL_ID: 1; COMPND 2 MOLECULE: H(+)/CL(-) EXCHANGE TRANSPORTER CLCA; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: YADQ, CLCA, ERIC; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CLC, CHLORIDE TRANSPORTER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR E.FORTEA,O.BOUDKER,A.ACCARDI REVDAT 2 05-JUN-24 7N8P 1 REMARK REVDAT 1 16-NOV-22 7N8P 0 JRNL AUTH E.FORTEA,S.LEE,Y.ARGYROS,R.CHADDA,D.CIFTCI,G.HUYSMANS, JRNL AUTH 2 J.L.ROBERTSON,O.BOUDKER,A.ACCARDI JRNL TITL STRUCTURAL BASIS OF COMMON GATE ACTIVATION IN CLC JRNL TITL 2 TRANSPORTERS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.42 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) : 3.420 REMARK 3 NUMBER OF PARTICLES : 128951 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 7N8P COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-JUN-21. REMARK 100 THE DEPOSITION ID IS D_1000257575. 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 : STRUCTURE OF ECCLC AT PH 4.5 IN REMARK 245 100MM CL REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 1.70 REMARK 245 SAMPLE SUPPORT DETAILS : NULL REMARK 245 SAMPLE VITRIFICATION DETAILS : NULL REMARK 245 SAMPLE BUFFER : NULL REMARK 245 PH : 4.50 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 : 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) : NULL 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) : 7261.00 REMARK 245 ILLUMINATION MODE : OTHER REMARK 245 NOMINAL MAGNIFICATION : NULL REMARK 245 CALIBRATED MAGNIFICATION : NULL REMARK 245 SOURCE : FIELD EMISSION GUN REMARK 245 ACCELERATION VOLTAGE (KV) : 300 REMARK 245 IMAGING DETAILS : NULL REMARK 247 REMARK 247 ELECTRON MICROSCOPY REMARK 247 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM ELECTRON REMARK 247 MICROSCOPY DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE REMARK 247 THAT CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES REMARK 247 ON THESE RECORDS ARE MEANINGLESS EXCEPT FOR THE CALCULATION REMARK 247 OF THE STRUCTURE FACTORS. REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 MET A 1 REMARK 465 LYS A 2 REMARK 465 THR A 3 REMARK 465 ASP A 4 REMARK 465 THR A 5 REMARK 465 PRO A 6 REMARK 465 SER A 7 REMARK 465 LEU A 8 REMARK 465 GLU A 9 REMARK 465 THR A 10 REMARK 465 PRO A 11 REMARK 465 ALA A 462 REMARK 465 ARG A 463 REMARK 465 SER A 464 REMARK 465 LYS A 465 REMARK 465 ALA A 466 REMARK 465 ALA A 467 REMARK 465 SER A 468 REMARK 465 ALA A 469 REMARK 465 SER A 470 REMARK 465 GLU A 471 REMARK 465 ASN A 472 REMARK 465 THR A 473 REMARK 465 MET B 1 REMARK 465 LYS B 2 REMARK 465 THR B 3 REMARK 465 ASP B 4 REMARK 465 THR B 5 REMARK 465 PRO B 6 REMARK 465 SER B 7 REMARK 465 LEU B 8 REMARK 465 GLU B 9 REMARK 465 THR B 10 REMARK 465 PRO B 11 REMARK 465 ALA B 462 REMARK 465 ARG B 463 REMARK 465 SER B 464 REMARK 465 LYS B 465 REMARK 465 ALA B 466 REMARK 465 ALA B 467 REMARK 465 SER B 468 REMARK 465 ALA B 469 REMARK 465 SER B 470 REMARK 465 GLU B 471 REMARK 465 ASN B 472 REMARK 465 THR B 473 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 GLU A 27 53.61 -94.60 REMARK 500 ARG A 120 74.61 53.44 REMARK 500 PRO A 129 42.16 -91.44 REMARK 500 VAL A 130 -50.90 -130.62 REMARK 500 ARG A 147 46.97 -91.64 REMARK 500 PRO A 150 0.74 -68.97 REMARK 500 LEU A 163 -18.44 -144.36 REMARK 500 LEU A 301 42.30 -89.81 REMARK 500 ALA A 309 73.94 52.93 REMARK 500 THR A 312 48.14 -92.09 REMARK 500 LEU A 319 -3.07 62.94 REMARK 500 SER A 349 54.31 -90.22 REMARK 500 PHE A 357 -34.12 -134.14 REMARK 500 LEU A 421 47.22 -96.36 REMARK 500 GLU B 27 52.81 -93.33 REMARK 500 ARG B 120 75.48 52.99 REMARK 500 PRO B 129 40.91 -87.26 REMARK 500 VAL B 130 -51.35 -128.62 REMARK 500 ARG B 147 48.20 -89.30 REMARK 500 LEU B 163 -25.94 -141.58 REMARK 500 ALA B 309 71.29 51.14 REMARK 500 THR B 312 48.65 -93.28 REMARK 500 SER B 313 -175.14 -171.04 REMARK 500 ASP B 417 -3.87 68.71 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-24241 RELATED DB: EMDB REMARK 900 CLC-EC1 AT PH 4.5 100MM CL DBREF 7N8P A 1 473 UNP J7Q633 J7Q633_ECOLX 1 473 DBREF 7N8P B 1 473 UNP J7Q633 J7Q633_ECOLX 1 473 SEQRES 1 A 473 MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA SEQRES 2 A 473 ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU SEQRES 3 A 473 GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA SEQRES 4 A 473 ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA SEQRES 5 A 473 PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET SEQRES 6 A 473 GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU SEQRES 7 A 473 LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET SEQRES 8 A 473 PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA SEQRES 9 A 473 GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU SEQRES 10 A 473 ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL SEQRES 11 A 473 LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET SEQRES 12 A 473 VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY SEQRES 13 A 473 ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS SEQRES 14 A 473 GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA SEQRES 15 A 473 ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA SEQRES 16 A 473 GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE SEQRES 17 A 473 ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY SEQRES 18 A 473 VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS SEQRES 19 A 473 GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA SEQRES 20 A 473 PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE SEQRES 21 A 473 ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL SEQRES 22 A 473 LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY SEQRES 23 A 473 ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY SEQRES 24 A 473 GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR SEQRES 25 A 473 SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA SEQRES 26 A 473 GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL SEQRES 27 A 473 ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY SEQRES 28 A 473 ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY SEQRES 29 A 473 THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU SEQRES 30 A 473 LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA SEQRES 31 A 473 ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG SEQRES 32 A 473 ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR SEQRES 33 A 473 ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY SEQRES 34 A 473 LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS SEQRES 35 A 473 PRO LEU TYR SER ALA ILE LEU ALA ARG THR LEU ALA LYS SEQRES 36 A 473 GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER SEQRES 37 A 473 ALA SER GLU ASN THR SEQRES 1 B 473 MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA SEQRES 2 B 473 ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU SEQRES 3 B 473 GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA SEQRES 4 B 473 ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA SEQRES 5 B 473 PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET SEQRES 6 B 473 GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU SEQRES 7 B 473 LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET SEQRES 8 B 473 PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA SEQRES 9 B 473 GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU SEQRES 10 B 473 ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL SEQRES 11 B 473 LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET SEQRES 12 B 473 VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY SEQRES 13 B 473 ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS SEQRES 14 B 473 GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA SEQRES 15 B 473 ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA SEQRES 16 B 473 GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE SEQRES 17 B 473 ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY SEQRES 18 B 473 VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS SEQRES 19 B 473 GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA SEQRES 20 B 473 PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE SEQRES 21 B 473 ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL SEQRES 22 B 473 LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY SEQRES 23 B 473 ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY SEQRES 24 B 473 GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR SEQRES 25 B 473 SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA SEQRES 26 B 473 GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL SEQRES 27 B 473 ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY SEQRES 28 B 473 ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY SEQRES 29 B 473 THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU SEQRES 30 B 473 LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA SEQRES 31 B 473 ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG SEQRES 32 B 473 ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR SEQRES 33 B 473 ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY SEQRES 34 B 473 LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS SEQRES 35 B 473 PRO LEU TYR SER ALA ILE LEU ALA ARG THR LEU ALA LYS SEQRES 36 B 473 GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER SEQRES 37 B 473 ALA SER GLU ASN THR HELIX 1 AA1 ALA A 14 GLU A 27 1 14 HELIX 2 AA2 PRO A 32 VAL A 69 1 38 HELIX 3 AA3 ASN A 74 TYR A 100 1 27 HELIX 4 AA4 ALA A 101 GLY A 105 5 5 HELIX 5 AA5 GLY A 108 LEU A 116 1 9 HELIX 6 AA6 ARG A 123 PHE A 132 1 10 HELIX 7 AA7 PHE A 133 GLY A 141 1 9 HELIX 8 AA8 GLU A 148 ILE A 165 1 18 HELIX 9 AA9 GLY A 170 PHE A 190 1 21 HELIX 10 AB1 LEU A 194 ILE A 201 1 8 HELIX 11 AB2 SER A 214 MET A 224 1 11 HELIX 12 AB3 SER A 225 ASN A 233 1 9 HELIX 13 AB4 PRO A 248 LEU A 252 5 5 HELIX 14 AB5 TRP A 253 HIS A 281 1 29 HELIX 15 AB6 ASN A 287 LEU A 304 1 18 HELIX 16 AB7 SER A 329 SER A 349 1 21 HELIX 17 AB8 ALA A 362 PHE A 379 1 18 HELIX 18 AB9 GLU A 385 GLY A 395 1 11 HELIX 19 AC1 ALA A 396 SER A 401 1 6 HELIX 20 AC2 ALA A 404 ASP A 417 1 14 HELIX 21 AC3 LEU A 421 GLY A 440 1 20 HELIX 22 AC4 PRO A 443 ALA A 447 5 5 HELIX 23 AC5 ILE A 448 GLN A 460 1 13 HELIX 24 AC6 LEU B 16 LEU B 26 1 11 HELIX 25 AC7 PRO B 32 VAL B 69 1 38 HELIX 26 AC8 ASN B 74 ALA B 101 1 28 HELIX 27 AC9 GLY B 108 LEU B 116 1 9 HELIX 28 AD1 ARG B 123 PHE B 132 1 10 HELIX 29 AD2 GLY B 134 GLY B 141 1 8 HELIX 30 AD3 GLU B 148 ILE B 165 1 18 HELIX 31 AD4 ASP B 171 THR B 176 1 6 HELIX 32 AD5 ALA B 179 ALA B 184 1 6 HELIX 33 AD6 GLY B 185 PHE B 190 1 6 HELIX 34 AD7 ALA B 192 ILE B 201 1 10 HELIX 35 AD8 SER B 214 ASN B 233 1 20 HELIX 36 AD9 PRO B 248 LEU B 252 5 5 HELIX 37 AE1 TRP B 253 HIS B 281 1 29 HELIX 38 AE2 ASN B 287 VAL B 308 1 22 HELIX 39 AE3 SER B 329 PHE B 348 1 20 HELIX 40 AE4 PHE B 357 PHE B 379 1 23 HELIX 41 AE5 GLY B 387 GLY B 395 1 9 HELIX 42 AE6 ALA B 404 ASP B 417 1 14 HELIX 43 AE7 LEU B 421 PHE B 438 1 18 HELIX 44 AE8 PRO B 443 ILE B 448 1 6 HELIX 45 AE9 ILE B 448 GLN B 460 1 13 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