HEADER TRANSPORT PROTEIN 13-FEB-26 11AM TITLE CRYO-EM STRUCTURE OF A BOVINE CLC-K S68N/R355K CHLORIDE CHANNEL WITH TITLE 2 100 MM CA2+ COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLORIDE VOLTAGE-GATED CHANNEL KA; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: DOMESTIC CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 GENE: CLCNKA; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS CHLORIDE CHANNEL, MEMBRANE PROTEIN, TRANSPORT PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR C.-T.CHIEN,W.CHIU,M.MADUKE REVDAT 1 09-SEP-26 11AM 0 JRNL AUTH C.T.CHIEN,B.L.SOBECKS-DOHERTY,A.S.POWERS,A.DAS,J.KREITER, JRNL AUTH 2 C.N.BARRY,M.CHEN,A.HINMAN,C.F.PETRAKIAN,B.WILLIAMS, JRNL AUTH 3 C.A.P.WOOD,M.XU,R.O.DROR,W.CHIU,M.MADUKE JRNL TITL MECHANISM OF GATING AND ISOFORM-SPECIFIC INHIBITION IN RENAL JRNL TITL 2 CLC CHLORIDE CHANNELS JRNL REF PROC.NATL.ACAD.SCI.USA V. 123 2026 JRNL REFN ESSN 1091-6490 JRNL DOI 10.1073/PNAS.2605886123 REMARK 2 REMARK 2 RESOLUTION. 3.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, CRYOSPARC 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) : 3.400 REMARK 3 NUMBER OF PARTICLES : 191200 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 11AM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1000305187. 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 : BOVINE CLC-K S68N/R355K REMARK 245 CHLORIDE CHANNEL WITH 100 MM REMARK 245 CA2+ 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 : 7.60 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 : FEI FALCON IV (4K 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) : 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 26 REMARK 465 ARG A 27 REMARK 465 VAL A 28 REMARK 465 ARG A 29 REMARK 465 ARG A 30 REMARK 465 GLY A 31 REMARK 465 ILE A 32 REMARK 465 ARG A 33 REMARK 465 GLY A 34 REMARK 465 GLY A 35 REMARK 465 LEU A 36 REMARK 465 ASP A 37 REMARK 465 TRP A 38 REMARK 465 LEU A 39 REMARK 465 LYS A 40 REMARK 465 ARG A 41 REMARK 465 LYS A 42 REMARK 465 LEU A 43 REMARK 465 PHE A 44 REMARK 465 CYS A 45 REMARK 465 VAL A 46 REMARK 465 GLY A 47 REMARK 465 ALA A 454 REMARK 465 GLY A 455 REMARK 465 GLY A 456 REMARK 465 GLU A 606 REMARK 465 PRO A 607 REMARK 465 PRO A 608 REMARK 465 SER A 609 REMARK 465 TRP A 610 REMARK 465 ALA A 611 REMARK 465 PRO A 612 REMARK 465 GLY A 613 REMARK 465 GLN A 614 REMARK 465 GLN A 615 REMARK 465 ARG A 616 REMARK 465 CYS A 617 REMARK 465 PRO A 684 REMARK 465 ALA A 685 REMARK 465 PRO A 686 REMARK 465 LYS A 687 REMARK 465 SER A 688 REMARK 465 ASN A 689 REMARK 465 SER A 690 REMARK 465 LEU A 691 REMARK 465 GLU A 692 REMARK 465 VAL A 693 REMARK 465 LEU A 694 REMARK 465 PHE A 695 REMARK 465 GLN A 696 REMARK 465 MET B 26 REMARK 465 ARG B 27 REMARK 465 VAL B 28 REMARK 465 ARG B 29 REMARK 465 ARG B 30 REMARK 465 GLY B 31 REMARK 465 ILE B 32 REMARK 465 ARG B 33 REMARK 465 GLY B 34 REMARK 465 GLY B 35 REMARK 465 LEU B 36 REMARK 465 ASP B 37 REMARK 465 TRP B 38 REMARK 465 LEU B 39 REMARK 465 LYS B 40 REMARK 465 ARG B 41 REMARK 465 LYS B 42 REMARK 465 LEU B 43 REMARK 465 PHE B 44 REMARK 465 CYS B 45 REMARK 465 VAL B 46 REMARK 465 GLY B 47 REMARK 465 ALA B 454 REMARK 465 GLY B 455 REMARK 465 GLY B 456 REMARK 465 GLU B 606 REMARK 465 PRO B 607 REMARK 465 PRO B 608 REMARK 465 SER B 609 REMARK 465 TRP B 610 REMARK 465 ALA B 611 REMARK 465 PRO B 612 REMARK 465 GLY B 613 REMARK 465 GLN B 614 REMARK 465 GLN B 615 REMARK 465 ARG B 616 REMARK 465 CYS B 617 REMARK 465 PRO B 684 REMARK 465 ALA B 685 REMARK 465 PRO B 686 REMARK 465 LYS B 687 REMARK 465 SER B 688 REMARK 465 ASN B 689 REMARK 465 SER B 690 REMARK 465 LEU B 691 REMARK 465 GLU B 692 REMARK 465 VAL B 693 REMARK 465 LEU B 694 REMARK 465 PHE B 695 REMARK 465 GLN B 696 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 171 CE1 HIS A 171 NE2 -0.088 REMARK 500 HIS A 171 NE2 HIS A 171 CD2 -0.090 REMARK 500 ARG A 304 CZ ARG A 304 NH2 -0.081 REMARK 500 HIS A 480 CE1 HIS A 480 NE2 -0.086 REMARK 500 HIS A 480 NE2 HIS A 480 CD2 -0.091 REMARK 500 HIS B 171 CE1 HIS B 171 NE2 -0.086 REMARK 500 HIS B 171 NE2 HIS B 171 CD2 -0.089 REMARK 500 ARG B 304 CZ ARG B 304 NH2 -0.081 REMARK 500 HIS B 480 CE1 HIS B 480 NE2 -0.086 REMARK 500 HIS B 480 NE2 HIS B 480 CD2 -0.090 REMARK 500 REMARK 500 REMARK: NULL 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 PHE A 213 CB - CG - CD2 ANGL. DEV. = 4.4 DEGREES REMARK 500 CYS B 153 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 PHE B 213 CB - CG - CD2 ANGL. DEV. = 4.4 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 PHE A 162 61.45 66.92 REMARK 500 VAL A 275 86.33 -152.57 REMARK 500 SER A 323 115.81 -163.72 REMARK 500 PRO A 533 171.56 -55.80 REMARK 500 ASP A 575 64.02 61.55 REMARK 500 THR A 632 -60.15 -91.42 REMARK 500 PRO A 637 3.25 -66.64 REMARK 500 PHE B 162 61.41 66.97 REMARK 500 VAL B 275 86.41 -152.58 REMARK 500 SER B 323 115.81 -163.72 REMARK 500 PRO B 533 171.56 -55.80 REMARK 500 ASP B 575 64.02 61.55 REMARK 500 THR B 632 -60.15 -91.42 REMARK 500 PRO B 637 3.25 -66.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-75590 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF A BOVINE CLC-K S68N/R355K CHLORIDE CHANNEL REMARK 900 WITH 100 MM CA2+ DBREF 11AM A 27 687 UNP E1B792 E1B792_BOVIN 27 687 DBREF 11AM B 27 687 UNP E1B792 E1B792_BOVIN 27 687 SEQADV 11AM MET A 26 UNP E1B792 INITIATING METHIONINE SEQADV 11AM ASN A 68 UNP E1B792 SER 68 ENGINEERED MUTATION SEQADV 11AM LYS A 355 UNP E1B792 ARG 355 ENGINEERED MUTATION SEQADV 11AM GLN A 373 UNP E1B792 ASN 373 ENGINEERED MUTATION SEQADV 11AM SER A 688 UNP E1B792 EXPRESSION TAG SEQADV 11AM ASN A 689 UNP E1B792 EXPRESSION TAG SEQADV 11AM SER A 690 UNP E1B792 EXPRESSION TAG SEQADV 11AM LEU A 691 UNP E1B792 EXPRESSION TAG SEQADV 11AM GLU A 692 UNP E1B792 EXPRESSION TAG SEQADV 11AM VAL A 693 UNP E1B792 EXPRESSION TAG SEQADV 11AM LEU A 694 UNP E1B792 EXPRESSION TAG SEQADV 11AM PHE A 695 UNP E1B792 EXPRESSION TAG SEQADV 11AM GLN A 696 UNP E1B792 EXPRESSION TAG SEQADV 11AM MET B 26 UNP E1B792 INITIATING METHIONINE SEQADV 11AM ASN B 68 UNP E1B792 SER 68 ENGINEERED MUTATION SEQADV 11AM LYS B 355 UNP E1B792 ARG 355 ENGINEERED MUTATION SEQADV 11AM GLN B 373 UNP E1B792 ASN 373 ENGINEERED MUTATION SEQADV 11AM SER B 688 UNP E1B792 EXPRESSION TAG SEQADV 11AM ASN B 689 UNP E1B792 EXPRESSION TAG SEQADV 11AM SER B 690 UNP E1B792 EXPRESSION TAG SEQADV 11AM LEU B 691 UNP E1B792 EXPRESSION TAG SEQADV 11AM GLU B 692 UNP E1B792 EXPRESSION TAG SEQADV 11AM VAL B 693 UNP E1B792 EXPRESSION TAG SEQADV 11AM LEU B 694 UNP E1B792 EXPRESSION TAG SEQADV 11AM PHE B 695 UNP E1B792 EXPRESSION TAG SEQADV 11AM GLN B 696 UNP E1B792 EXPRESSION TAG SEQRES 1 A 671 MET ARG VAL ARG ARG GLY ILE ARG GLY GLY LEU ASP TRP SEQRES 2 A 671 LEU LYS ARG LYS LEU PHE CYS VAL GLY GLU ASP TRP TYR SEQRES 3 A 671 PHE LEU THR VAL LEU GLY VAL LEU MET ALA LEU ILE SER SEQRES 4 A 671 PHE THR MET ASN PHE THR VAL GLY ARG VAL VAL ARG ALA SEQRES 5 A 671 HIS LYS TRP LEU TYR ARG GLU ILE GLY ASP SER HIS LEU SEQRES 6 A 671 LEU ARG TYR LEU SER TRP THR VAL TYR PRO VAL ALA LEU SEQRES 7 A 671 VAL SER PHE SER SER GLY PHE SER GLN SER ILE THR PRO SEQRES 8 A 671 PHE SER GLY GLY SER GLY ILE PRO GLU LEU LYS THR ILE SEQRES 9 A 671 LEU SER GLY VAL VAL LEU GLU ASP TYR LEU ASP ILE LYS SEQRES 10 A 671 ASN PHE GLY ALA LYS ALA VAL GLY LEU THR CYS THR LEU SEQRES 11 A 671 ALA SER GLY SER THR ILE PHE LEU GLY LYS VAL GLY PRO SEQRES 12 A 671 PHE VAL HIS LEU SER VAL MET ILE ALA ALA TYR LEU GLY SEQRES 13 A 671 ARG VAL ARG ALA LYS ALA THR GLY GLU SER GLU ASN LYS SEQRES 14 A 671 SER LYS ARG ASN GLU MET LEU VAL ALA GLY ALA ALA VAL SEQRES 15 A 671 GLY VAL ALA THR VAL PHE ALA ALA PRO PHE SER GLY VAL SEQRES 16 A 671 LEU PHE CYS ILE GLU VAL VAL SER SER HIS PHE SER VAL SEQRES 17 A 671 TRP ASP TYR TRP ARG GLY PHE PHE ALA ALA THR CYS GLY SEQRES 18 A 671 ALA PHE MET PHE ARG LEU LEU ALA VAL PHE ASN SER GLU SEQRES 19 A 671 GLN GLU THR ILE THR SER LEU TYR LYS THR SER PHE ARG SEQRES 20 A 671 VAL GLU VAL PRO PHE ASP LEU PRO GLU ILE PHE PHE PHE SEQRES 21 A 671 VAL ALA LEU GLY ALA ILE CYS GLY VAL ALA SER CYS ALA SEQRES 22 A 671 TYR LEU PHE CYS GLN ARG LYS PHE LEU GLY PHE VAL LYS SEQRES 23 A 671 THR ASN PRO VAL LEU SER LYS LEU MET ALA THR SER LYS SEQRES 24 A 671 PRO LEU TYR SER ALA LEU ALA ALA LEU VAL LEU ALA SER SEQRES 25 A 671 VAL THR TYR PRO PRO GLY ALA GLY ARG PHE MET ALA SER SEQRES 26 A 671 ARG LEU SER MET LYS GLU TYR LEU ASP SER LEU LEU ASP SEQRES 27 A 671 HIS ASN SER TRP ALA LEU LEU THR ARG GLN ALA SER PRO SEQRES 28 A 671 PRO TRP PRO VAL GLU PRO ASP PRO GLN ASN LEU TRP PHE SEQRES 29 A 671 GLU TRP TYR HIS PRO GLN PHE THR ILE PHE GLY THR LEU SEQRES 30 A 671 ALA PHE PHE LEU VAL MET LYS PHE TRP MET LEU ILE LEU SEQRES 31 A 671 ALA THR THR ILE PRO MET PRO ALA GLY TYR PHE MET PRO SEQRES 32 A 671 ILE PHE ILE PHE GLY ALA ALA ILE GLY ARG LEU LEU GLY SEQRES 33 A 671 GLU ALA LEU SER VAL ALA PHE PRO GLU GLY ILE VAL ALA SEQRES 34 A 671 GLY GLY VAL THR ASN PRO ILE MET PRO GLY GLY TYR ALA SEQRES 35 A 671 LEU ALA GLY ALA ALA ALA PHE SER GLY ALA VAL THR HIS SEQRES 36 A 671 SER ILE SER THR ALA LEU LEU ALA PHE GLU LEU THR GLY SEQRES 37 A 671 GLN ILE VAL HIS ALA LEU PRO VAL LEU MET ALA VAL LEU SEQRES 38 A 671 ALA ALA ASN ALA ILE ALA GLN SER CYS GLN PRO SER PHE SEQRES 39 A 671 TYR ASP GLY THR ILE ILE VAL LYS LYS LEU PRO TYR LEU SEQRES 40 A 671 PRO TRP ILE ARG GLY ARG LYS ILE SER SER HIS ARG VAL SEQRES 41 A 671 THR VAL GLU HIS PHE MET ASN ARG ALA ILE THR THR LEU SEQRES 42 A 671 ALA LYS ASP THR PRO GLN GLU GLU VAL VAL LYS VAL VAL SEQRES 43 A 671 THR SER THR ASP MET ALA GLU TYR PRO LEU VAL ALA SER SEQRES 44 A 671 THR GLU SER GLN THR LEU VAL GLY THR MET ARG ARG ALA SEQRES 45 A 671 GLN LEU VAL GLN ALA LEU GLN ALA GLU PRO PRO SER TRP SEQRES 46 A 671 ALA PRO GLY GLN GLN ARG CYS LEU GLN ASP ILE LEU ALA SEQRES 47 A 671 GLU GLY CYS PRO VAL GLU PRO VAL THR LEU LYS LEU SER SEQRES 48 A 671 PRO GLU THR SER LEU HIS GLN ALA HIS ASN LEU PHE GLU SEQRES 49 A 671 LEU LEU ASN LEU GLN SER LEU PHE VAL THR SER GLN GLY SEQRES 50 A 671 ARG ALA VAL GLY PHE VAL SER TRP VAL GLU LEU GLU LYS SEQRES 51 A 671 ALA ILE SER LYS LEU THR ASN PRO PRO ALA PRO LYS SER SEQRES 52 A 671 ASN SER LEU GLU VAL LEU PHE GLN SEQRES 1 B 671 MET ARG VAL ARG ARG GLY ILE ARG GLY GLY LEU ASP TRP SEQRES 2 B 671 LEU LYS ARG LYS LEU PHE CYS VAL GLY GLU ASP TRP TYR SEQRES 3 B 671 PHE LEU THR VAL LEU GLY VAL LEU MET ALA LEU ILE SER SEQRES 4 B 671 PHE THR MET ASN PHE THR VAL GLY ARG VAL VAL ARG ALA SEQRES 5 B 671 HIS LYS TRP LEU TYR ARG GLU ILE GLY ASP SER HIS LEU SEQRES 6 B 671 LEU ARG TYR LEU SER TRP THR VAL TYR PRO VAL ALA LEU SEQRES 7 B 671 VAL SER PHE SER SER GLY PHE SER GLN SER ILE THR PRO SEQRES 8 B 671 PHE SER GLY GLY SER GLY ILE PRO GLU LEU LYS THR ILE SEQRES 9 B 671 LEU SER GLY VAL VAL LEU GLU ASP TYR LEU ASP ILE LYS SEQRES 10 B 671 ASN PHE GLY ALA LYS ALA VAL GLY LEU THR CYS THR LEU SEQRES 11 B 671 ALA SER GLY SER THR ILE PHE LEU GLY LYS VAL GLY PRO SEQRES 12 B 671 PHE VAL HIS LEU SER VAL MET ILE ALA ALA TYR LEU GLY SEQRES 13 B 671 ARG VAL ARG ALA LYS ALA THR GLY GLU SER GLU ASN LYS SEQRES 14 B 671 SER LYS ARG ASN GLU MET LEU VAL ALA GLY ALA ALA VAL SEQRES 15 B 671 GLY VAL ALA THR VAL PHE ALA ALA PRO PHE SER GLY VAL SEQRES 16 B 671 LEU PHE CYS ILE GLU VAL VAL SER SER HIS PHE SER VAL SEQRES 17 B 671 TRP ASP TYR TRP ARG GLY PHE PHE ALA ALA THR CYS GLY SEQRES 18 B 671 ALA PHE MET PHE ARG LEU LEU ALA VAL PHE ASN SER GLU SEQRES 19 B 671 GLN GLU THR ILE THR SER LEU TYR LYS THR SER PHE ARG SEQRES 20 B 671 VAL GLU VAL PRO PHE ASP LEU PRO GLU ILE PHE PHE PHE SEQRES 21 B 671 VAL ALA LEU GLY ALA ILE CYS GLY VAL ALA SER CYS ALA SEQRES 22 B 671 TYR LEU PHE CYS GLN ARG LYS PHE LEU GLY PHE VAL LYS SEQRES 23 B 671 THR ASN PRO VAL LEU SER LYS LEU MET ALA THR SER LYS SEQRES 24 B 671 PRO LEU TYR SER ALA LEU ALA ALA LEU VAL LEU ALA SER SEQRES 25 B 671 VAL THR TYR PRO PRO GLY ALA GLY ARG PHE MET ALA SER SEQRES 26 B 671 ARG LEU SER MET LYS GLU TYR LEU ASP SER LEU LEU ASP SEQRES 27 B 671 HIS ASN SER TRP ALA LEU LEU THR ARG GLN ALA SER PRO SEQRES 28 B 671 PRO TRP PRO VAL GLU PRO ASP PRO GLN ASN LEU TRP PHE SEQRES 29 B 671 GLU TRP TYR HIS PRO GLN PHE THR ILE PHE GLY THR LEU SEQRES 30 B 671 ALA PHE PHE LEU VAL MET LYS PHE TRP MET LEU ILE LEU SEQRES 31 B 671 ALA THR THR ILE PRO MET PRO ALA GLY TYR PHE MET PRO SEQRES 32 B 671 ILE PHE ILE PHE GLY ALA ALA ILE GLY ARG LEU LEU GLY SEQRES 33 B 671 GLU ALA LEU SER VAL ALA PHE PRO GLU GLY ILE VAL ALA SEQRES 34 B 671 GLY GLY VAL THR ASN PRO ILE MET PRO GLY GLY TYR ALA SEQRES 35 B 671 LEU ALA GLY ALA ALA ALA PHE SER GLY ALA VAL THR HIS SEQRES 36 B 671 SER ILE SER THR ALA LEU LEU ALA PHE GLU LEU THR GLY SEQRES 37 B 671 GLN ILE VAL HIS ALA LEU PRO VAL LEU MET ALA VAL LEU SEQRES 38 B 671 ALA ALA ASN ALA ILE ALA GLN SER CYS GLN PRO SER PHE SEQRES 39 B 671 TYR ASP GLY THR ILE ILE VAL LYS LYS LEU PRO TYR LEU SEQRES 40 B 671 PRO TRP ILE ARG GLY ARG LYS ILE SER SER HIS ARG VAL SEQRES 41 B 671 THR VAL GLU HIS PHE MET ASN ARG ALA ILE THR THR LEU SEQRES 42 B 671 ALA LYS ASP THR PRO GLN GLU GLU VAL VAL LYS VAL VAL SEQRES 43 B 671 THR SER THR ASP MET ALA GLU TYR PRO LEU VAL ALA SER SEQRES 44 B 671 THR GLU SER GLN THR LEU VAL GLY THR MET ARG ARG ALA SEQRES 45 B 671 GLN LEU VAL GLN ALA LEU GLN ALA GLU PRO PRO SER TRP SEQRES 46 B 671 ALA PRO GLY GLN GLN ARG CYS LEU GLN ASP ILE LEU ALA SEQRES 47 B 671 GLU GLY CYS PRO VAL GLU PRO VAL THR LEU LYS LEU SER SEQRES 48 B 671 PRO GLU THR SER LEU HIS GLN ALA HIS ASN LEU PHE GLU SEQRES 49 B 671 LEU LEU ASN LEU GLN SER LEU PHE VAL THR SER GLN GLY SEQRES 50 B 671 ARG ALA VAL GLY PHE VAL SER TRP VAL GLU LEU GLU LYS SEQRES 51 B 671 ALA ILE SER LYS LEU THR ASN PRO PRO ALA PRO LYS SER SEQRES 52 B 671 ASN SER LEU GLU VAL LEU PHE GLN HET CL A 701 1 HET CL B 701 1 HETNAM CL CHLORIDE ION FORMUL 3 CL 2(CL 1-) HELIX 1 AA1 ASP A 49 ILE A 85 1 37 HELIX 2 AA2 SER A 88 SER A 113 1 26 HELIX 3 AA3 GLY A 122 LEU A 130 1 9 HELIX 4 AA4 LEU A 135 ILE A 141 5 7 HELIX 5 AA5 LYS A 142 ALA A 156 1 15 HELIX 6 AA6 SER A 157 ILE A 161 5 5 HELIX 7 AA7 LYS A 165 THR A 188 1 24 HELIX 8 AA8 ASN A 193 ALA A 214 1 22 HELIX 9 AA9 ALA A 215 SER A 228 1 14 HELIX 10 AB1 VAL A 233 ASN A 257 1 25 HELIX 11 AB2 PRO A 280 ASN A 313 1 34 HELIX 12 AB3 ASN A 313 SER A 323 1 11 HELIX 13 AB4 SER A 323 VAL A 338 1 16 HELIX 14 AB5 SER A 353 LEU A 362 1 10 HELIX 15 AB6 SER A 366 ALA A 374 1 9 HELIX 16 AB7 ASP A 383 TYR A 392 5 10 HELIX 17 AB8 THR A 397 THR A 417 1 21 HELIX 18 AB9 TYR A 425 PHE A 448 1 24 HELIX 19 AC1 MET A 462 HIS A 480 1 19 HELIX 20 AC2 SER A 483 GLY A 493 1 11 HELIX 21 AC3 HIS A 497 GLN A 513 1 17 HELIX 22 AC4 SER A 518 LYS A 528 1 11 HELIX 23 AC5 THR A 546 MET A 551 1 6 HELIX 24 AC6 PRO A 563 ASP A 575 1 13 HELIX 25 AC7 ARG A 596 ALA A 605 1 10 HELIX 26 AC8 GLN A 619 GLY A 625 1 7 HELIX 27 AC9 SER A 640 ASN A 652 1 13 HELIX 28 AD1 TRP A 670 ASN A 682 1 13 HELIX 29 AD2 ASP B 49 ILE B 85 1 37 HELIX 30 AD3 SER B 88 SER B 113 1 26 HELIX 31 AD4 GLY B 122 LEU B 130 1 9 HELIX 32 AD5 LEU B 135 ILE B 141 5 7 HELIX 33 AD6 LYS B 142 ALA B 156 1 15 HELIX 34 AD7 SER B 157 ILE B 161 5 5 HELIX 35 AD8 LYS B 165 THR B 188 1 24 HELIX 36 AD9 ASN B 193 ALA B 214 1 22 HELIX 37 AE1 ALA B 215 SER B 228 1 14 HELIX 38 AE2 VAL B 233 ASN B 257 1 25 HELIX 39 AE3 PRO B 280 ASN B 313 1 34 HELIX 40 AE4 ASN B 313 SER B 323 1 11 HELIX 41 AE5 SER B 323 VAL B 338 1 16 HELIX 42 AE6 SER B 353 LEU B 362 1 10 HELIX 43 AE7 SER B 366 ALA B 374 1 9 HELIX 44 AE8 ASP B 383 TYR B 392 5 10 HELIX 45 AE9 THR B 397 THR B 417 1 21 HELIX 46 AF1 TYR B 425 PHE B 448 1 24 HELIX 47 AF2 MET B 462 HIS B 480 1 19 HELIX 48 AF3 SER B 483 GLY B 493 1 11 HELIX 49 AF4 HIS B 497 GLN B 513 1 17 HELIX 50 AF5 SER B 518 LYS B 528 1 11 HELIX 51 AF6 THR B 546 MET B 551 1 6 HELIX 52 AF7 PRO B 563 ASP B 575 1 13 HELIX 53 AF8 ARG B 596 ALA B 605 1 10 HELIX 54 AF9 GLN B 619 GLY B 625 1 7 HELIX 55 AG1 SER B 640 ASN B 652 1 13 HELIX 56 AG2 TRP B 670 ASN B 682 1 13 SHEET 1 AA1 2 HIS A 230 SER A 232 0 SHEET 2 AA1 2 HIS B 230 SER B 232 -1 O PHE B 231 N PHE A 231 SHEET 1 AA2 3 LEU A 558 ALA A 559 0 SHEET 2 AA2 3 GLU A 578 VAL A 582 1 O VAL A 582 N LEU A 558 SHEET 3 AA2 3 LEU A 590 ARG A 595 -1 O MET A 594 N TYR A 579 SHEET 1 AA3 2 LEU A 633 LEU A 635 0 SHEET 2 AA3 2 LEU B 633 LEU B 635 -1 O LYS B 634 N LYS A 634 SHEET 1 AA4 2 SER A 655 SER A 660 0 SHEET 2 AA4 2 ARG A 663 SER A 669 -1 O GLY A 666 N VAL A 658 SHEET 1 AA5 3 LEU B 558 ALA B 559 0 SHEET 2 AA5 3 GLU B 578 VAL B 582 1 O VAL B 582 N LEU B 558 SHEET 3 AA5 3 LEU B 590 ARG B 595 -1 O MET B 594 N TYR B 579 SHEET 1 AA6 2 SER B 655 SER B 660 0 SHEET 2 AA6 2 ARG B 663 SER B 669 -1 O GLY B 666 N VAL B 658 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 MASTER 289 0 2 56 14 0 0 6 9590 2 0 104 END