HEADER TRANSPORT PROTEIN 17-APR-25 9O96 TITLE CRYO-EM STRUCTURE OF CLC-EC1 AT PH 4.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: H(+)/CL(-) EXCHANGE TRANSPORTER CLCA; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CLC-EC1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: CLCA, ERIC, YADQ, B0155, JW5012; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSMEMBRANE PROTEIN CRYO-EM ANTIPORTER, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR C.-T.CHIEN,W.CHIU,M.MADUKE REVDAT 1 07-JAN-26 9O96 0 JRNL AUTH C.-T.CHIEN,W.CHIU,M.MADUKE JRNL TITL MOLECULAR MECHANISM OF EXCHANGE COUPLING IN CLC JRNL TITL 2 CHLORIDE/PROTON ANTIPORTERS JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.20 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 : 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) : 3.200 REMARK 3 NUMBER OF PARTICLES : 261507 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 9O96 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-APR-25. REMARK 100 THE DEPOSITION ID IS D_1000295071. 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 : H(+)/CL(-) EXCHANGE TRANSPORTER REMARK 245 CLCA 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 : 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 : 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) : 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) : 6000.00 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA 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 GLN A 12 REMARK 465 ALA A 13 REMARK 465 ALA A 14 REMARK 465 ARG A 15 REMARK 465 LEU A 16 REMARK 465 LEU A 461 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 LYS A 469 REMARK 465 GLY A 470 REMARK 465 SER A 471 REMARK 465 GLY A 472 REMARK 465 THR A 473 REMARK 465 LEU A 474 REMARK 465 VAL A 475 REMARK 465 PRO A 476 REMARK 465 ARG A 477 REMARK 465 GLY A 478 REMARK 465 SER A 479 REMARK 465 GLY A 480 REMARK 465 GLY A 481 REMARK 465 LEU A 482 REMARK 465 GLU A 483 REMARK 465 HIS A 484 REMARK 465 HIS A 485 REMARK 465 HIS A 486 REMARK 465 HIS A 487 REMARK 465 HIS A 488 REMARK 465 HIS A 489 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 GLN B 12 REMARK 465 ALA B 13 REMARK 465 ALA B 14 REMARK 465 ARG B 15 REMARK 465 LEU B 16 REMARK 465 LEU B 461 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 LYS B 469 REMARK 465 GLY B 470 REMARK 465 SER B 471 REMARK 465 GLY B 472 REMARK 465 THR B 473 REMARK 465 LEU B 474 REMARK 465 VAL B 475 REMARK 465 PRO B 476 REMARK 465 ARG B 477 REMARK 465 GLY B 478 REMARK 465 SER B 479 REMARK 465 GLY B 480 REMARK 465 GLY B 481 REMARK 465 LEU B 482 REMARK 465 GLU B 483 REMARK 465 HIS B 484 REMARK 465 HIS B 485 REMARK 465 HIS B 486 REMARK 465 HIS B 487 REMARK 465 HIS B 488 REMARK 465 HIS B 489 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 126 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 147 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 451 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG B 64 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 126 NE - CZ - NH2 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG B 147 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG B 451 NE - CZ - NH2 ANGL. DEV. = 3.4 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ALA A 101 80.14 -154.77 REMARK 500 SER A 107 -79.02 -62.43 REMARK 500 ARG A 209 63.92 62.52 REMARK 500 SER A 245 -179.64 -68.59 REMARK 500 ALA A 309 65.81 -150.81 REMARK 500 PHE A 379 67.32 -119.38 REMARK 500 ASP A 417 8.91 59.81 REMARK 500 ALA B 101 79.77 -154.94 REMARK 500 SER B 107 -77.40 -61.38 REMARK 500 ARG B 209 62.93 62.27 REMARK 500 ALA B 309 68.00 -152.11 REMARK 500 PHE B 379 69.38 -119.81 REMARK 500 ASP B 417 15.13 59.01 REMARK 500 ALA B 458 -162.52 -106.88 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-70243 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF CLC-EC1 AT PH 4.0 DBREF 9O96 A 1 468 UNP P37019 CLCA_ECOLI 1 468 DBREF 9O96 B 1 468 UNP P37019 CLCA_ECOLI 1 468 SEQADV 9O96 LYS A 469 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY A 470 UNP P37019 EXPRESSION TAG SEQADV 9O96 SER A 471 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY A 472 UNP P37019 EXPRESSION TAG SEQADV 9O96 THR A 473 UNP P37019 EXPRESSION TAG SEQADV 9O96 LEU A 474 UNP P37019 EXPRESSION TAG SEQADV 9O96 VAL A 475 UNP P37019 EXPRESSION TAG SEQADV 9O96 PRO A 476 UNP P37019 EXPRESSION TAG SEQADV 9O96 ARG A 477 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY A 478 UNP P37019 EXPRESSION TAG SEQADV 9O96 SER A 479 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY A 480 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY A 481 UNP P37019 EXPRESSION TAG SEQADV 9O96 LEU A 482 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLU A 483 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 484 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 485 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 486 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 487 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 488 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS A 489 UNP P37019 EXPRESSION TAG SEQADV 9O96 LYS B 469 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY B 470 UNP P37019 EXPRESSION TAG SEQADV 9O96 SER B 471 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY B 472 UNP P37019 EXPRESSION TAG SEQADV 9O96 THR B 473 UNP P37019 EXPRESSION TAG SEQADV 9O96 LEU B 474 UNP P37019 EXPRESSION TAG SEQADV 9O96 VAL B 475 UNP P37019 EXPRESSION TAG SEQADV 9O96 PRO B 476 UNP P37019 EXPRESSION TAG SEQADV 9O96 ARG B 477 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY B 478 UNP P37019 EXPRESSION TAG SEQADV 9O96 SER B 479 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY B 480 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLY B 481 UNP P37019 EXPRESSION TAG SEQADV 9O96 LEU B 482 UNP P37019 EXPRESSION TAG SEQADV 9O96 GLU B 483 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 484 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 485 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 486 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 487 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 488 UNP P37019 EXPRESSION TAG SEQADV 9O96 HIS B 489 UNP P37019 EXPRESSION TAG SEQRES 1 A 489 MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA SEQRES 2 A 489 ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU SEQRES 3 A 489 GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA SEQRES 4 A 489 ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA SEQRES 5 A 489 PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET SEQRES 6 A 489 GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU SEQRES 7 A 489 LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET SEQRES 8 A 489 PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA SEQRES 9 A 489 GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU SEQRES 10 A 489 ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL SEQRES 11 A 489 LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET SEQRES 12 A 489 VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY SEQRES 13 A 489 ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS SEQRES 14 A 489 GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA SEQRES 15 A 489 ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA SEQRES 16 A 489 GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE SEQRES 17 A 489 ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY SEQRES 18 A 489 VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS SEQRES 19 A 489 GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA SEQRES 20 A 489 PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE SEQRES 21 A 489 ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL SEQRES 22 A 489 LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY SEQRES 23 A 489 ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY SEQRES 24 A 489 GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR SEQRES 25 A 489 SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA SEQRES 26 A 489 GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL SEQRES 27 A 489 ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY SEQRES 28 A 489 ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY SEQRES 29 A 489 THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU SEQRES 30 A 489 LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA SEQRES 31 A 489 ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG SEQRES 32 A 489 ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR SEQRES 33 A 489 ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY SEQRES 34 A 489 LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS SEQRES 35 A 489 PRO LEU TYR SER ALA ILE LEU ALA ARG THR LEU ALA LYS SEQRES 36 A 489 GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER SEQRES 37 A 489 LYS GLY SER GLY THR LEU VAL PRO ARG GLY SER GLY GLY SEQRES 38 A 489 LEU GLU HIS HIS HIS HIS HIS HIS SEQRES 1 B 489 MET LYS THR ASP THR PRO SER LEU GLU THR PRO GLN ALA SEQRES 2 B 489 ALA ARG LEU ARG ARG ARG GLN LEU ILE ARG GLN LEU LEU SEQRES 3 B 489 GLU ARG ASP LYS THR PRO LEU ALA ILE LEU PHE MET ALA SEQRES 4 B 489 ALA VAL VAL GLY THR LEU VAL GLY LEU ALA ALA VAL ALA SEQRES 5 B 489 PHE ASP LYS GLY VAL ALA TRP LEU GLN ASN GLN ARG MET SEQRES 6 B 489 GLY ALA LEU VAL HIS THR ALA ASP ASN TYR PRO LEU LEU SEQRES 7 B 489 LEU THR VAL ALA PHE LEU CYS SER ALA VAL LEU ALA MET SEQRES 8 B 489 PHE GLY TYR PHE LEU VAL ARG LYS TYR ALA PRO GLU ALA SEQRES 9 B 489 GLY GLY SER GLY ILE PRO GLU ILE GLU GLY ALA LEU GLU SEQRES 10 B 489 ASP GLN ARG PRO VAL ARG TRP TRP ARG VAL LEU PRO VAL SEQRES 11 B 489 LYS PHE PHE GLY GLY LEU GLY THR LEU GLY GLY GLY MET SEQRES 12 B 489 VAL LEU GLY ARG GLU GLY PRO THR VAL GLN ILE GLY GLY SEQRES 13 B 489 ASN ILE GLY ARG MET VAL LEU ASP ILE PHE ARG LEU LYS SEQRES 14 B 489 GLY ASP GLU ALA ARG HIS THR LEU LEU ALA THR GLY ALA SEQRES 15 B 489 ALA ALA GLY LEU ALA ALA ALA PHE ASN ALA PRO LEU ALA SEQRES 16 B 489 GLY ILE LEU PHE ILE ILE GLU GLU MET ARG PRO GLN PHE SEQRES 17 B 489 ARG TYR THR LEU ILE SER ILE LYS ALA VAL PHE ILE GLY SEQRES 18 B 489 VAL ILE MET SER THR ILE MET TYR ARG ILE PHE ASN HIS SEQRES 19 B 489 GLU VAL ALA LEU ILE ASP VAL GLY LYS LEU SER ASP ALA SEQRES 20 B 489 PRO LEU ASN THR LEU TRP LEU TYR LEU ILE LEU GLY ILE SEQRES 21 B 489 ILE PHE GLY ILE PHE GLY PRO ILE PHE ASN LYS TRP VAL SEQRES 22 B 489 LEU GLY MET GLN ASP LEU LEU HIS ARG VAL HIS GLY GLY SEQRES 23 B 489 ASN ILE THR LYS TRP VAL LEU MET GLY GLY ALA ILE GLY SEQRES 24 B 489 GLY LEU CYS GLY LEU LEU GLY PHE VAL ALA PRO ALA THR SEQRES 25 B 489 SER GLY GLY GLY PHE ASN LEU ILE PRO ILE ALA THR ALA SEQRES 26 B 489 GLY ASN PHE SER MET GLY MET LEU VAL PHE ILE PHE VAL SEQRES 27 B 489 ALA ARG VAL ILE THR THR LEU LEU CYS PHE SER SER GLY SEQRES 28 B 489 ALA PRO GLY GLY ILE PHE ALA PRO MET LEU ALA LEU GLY SEQRES 29 B 489 THR VAL LEU GLY THR ALA PHE GLY MET VAL ALA VAL GLU SEQRES 30 B 489 LEU PHE PRO GLN TYR HIS LEU GLU ALA GLY THR PHE ALA SEQRES 31 B 489 ILE ALA GLY MET GLY ALA LEU LEU ALA ALA SER ILE ARG SEQRES 32 B 489 ALA PRO LEU THR GLY ILE ILE LEU VAL LEU GLU MET THR SEQRES 33 B 489 ASP ASN TYR GLN LEU ILE LEU PRO MET ILE ILE THR GLY SEQRES 34 B 489 LEU GLY ALA THR LEU LEU ALA GLN PHE THR GLY GLY LYS SEQRES 35 B 489 PRO LEU TYR SER ALA ILE LEU ALA ARG THR LEU ALA LYS SEQRES 36 B 489 GLN GLU ALA GLU GLN LEU ALA ARG SER LYS ALA ALA SER SEQRES 37 B 489 LYS GLY SER GLY THR LEU VAL PRO ARG GLY SER GLY GLY SEQRES 38 B 489 LEU GLU HIS HIS HIS HIS HIS HIS HET CL A 501 1 HET CL A 502 1 HET CL B 501 1 HET CL B 502 1 HETNAM CL CHLORIDE ION FORMUL 3 CL 4(CL 1-) HELIX 1 AA1 ARG A 17 ARG A 19 5 3 HELIX 2 AA2 GLN A 20 LEU A 68 1 49 HELIX 3 AA3 ASN A 74 ALA A 101 1 28 HELIX 4 AA4 PRO A 102 GLY A 105 5 4 HELIX 5 AA5 GLY A 108 GLU A 117 1 10 HELIX 6 AA6 ARG A 123 GLY A 141 1 19 HELIX 7 AA7 ARG A 147 ARG A 167 1 21 HELIX 8 AA8 GLY A 170 ASN A 191 1 22 HELIX 9 AA9 ALA A 192 GLU A 203 1 12 HELIX 10 AB1 THR A 211 PHE A 232 1 22 HELIX 11 AB2 PRO A 248 THR A 251 5 4 HELIX 12 AB3 LEU A 252 GLY A 285 1 34 HELIX 13 AB4 ASN A 287 ALA A 309 1 23 HELIX 14 AB5 PRO A 310 SER A 313 5 4 HELIX 15 AB6 GLY A 315 ASN A 318 5 4 HELIX 16 AB7 LEU A 319 ALA A 325 1 7 HELIX 17 AB8 SER A 329 SER A 350 1 22 HELIX 18 AB9 ILE A 356 PHE A 379 1 24 HELIX 19 AC1 PRO A 380 HIS A 383 5 4 HELIX 20 AC2 ALA A 386 GLY A 393 1 8 HELIX 21 AC3 GLY A 395 ILE A 402 1 8 HELIX 22 AC4 ALA A 404 ASP A 417 1 14 HELIX 23 AC5 ASN A 418 GLN A 420 5 3 HELIX 24 AC6 LEU A 421 THR A 439 1 19 HELIX 25 AC7 PRO A 443 GLU A 457 1 15 HELIX 26 AC8 ARG B 17 ARG B 19 5 3 HELIX 27 AC9 GLN B 20 LEU B 68 1 49 HELIX 28 AD1 ASN B 74 ALA B 101 1 28 HELIX 29 AD2 PRO B 102 GLY B 105 5 4 HELIX 30 AD3 GLY B 108 GLU B 117 1 10 HELIX 31 AD4 ARG B 123 GLY B 141 1 19 HELIX 32 AD5 ARG B 147 ARG B 167 1 21 HELIX 33 AD6 GLY B 170 ASN B 191 1 22 HELIX 34 AD7 ALA B 192 GLU B 203 1 12 HELIX 35 AD8 ILE B 213 PHE B 232 1 20 HELIX 36 AD9 PRO B 248 THR B 251 5 4 HELIX 37 AE1 LEU B 252 GLY B 285 1 34 HELIX 38 AE2 ASN B 287 ALA B 309 1 23 HELIX 39 AE3 PRO B 310 SER B 313 5 4 HELIX 40 AE4 GLY B 315 ASN B 318 5 4 HELIX 41 AE5 LEU B 319 ALA B 325 1 7 HELIX 42 AE6 SER B 329 SER B 350 1 22 HELIX 43 AE7 ILE B 356 PHE B 379 1 24 HELIX 44 AE8 PRO B 380 HIS B 383 5 4 HELIX 45 AE9 ALA B 386 GLY B 393 1 8 HELIX 46 AF1 GLY B 395 ILE B 402 1 8 HELIX 47 AF2 ALA B 404 ASP B 417 1 14 HELIX 48 AF3 ASN B 418 GLN B 420 5 3 HELIX 49 AF4 LEU B 421 THR B 439 1 19 HELIX 50 AF5 PRO B 443 GLU B 457 1 15 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 TER 6819 GLN A 460 TER 13638 GLN B 460 HETATM13639 CL CL A 501 137.455 110.646 125.636 1.00 0.00 CL HETATM13640 CL CL A 502 140.668 106.150 119.373 1.00 0.00 CL HETATM13641 CL CL B 501 118.545 153.056 119.484 1.00 0.00 CL HETATM13642 CL CL B 502 121.824 148.547 125.635 1.00 0.00 CL MASTER 254 0 4 50 0 0 0 6 6670 2 0 76 END