HEADER TRANSPORT PROTEIN/INHIBITOR 26-JUN-23 8TA2 TITLE CRYO-EM STRUCTURE OF THE HUMAN CLC-2 CHLORIDE CHANNEL TRANSMEMBRANE TITLE 2 DOMAIN WITH BOUND INHIBITOR AK-42 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLORIDE CHANNEL PROTEIN 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CLC-2; COMPND 5 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: CLCN2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_COMMON: HUMAN; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS CHLORIDE, CHANNEL, INHIBITOR, PROTEIN, VOLTAGE GATED, TRANSPORT KEYWDS 2 PROTEIN-INHIBITOR COMPLEX EXPDTA ELECTRON MICROSCOPY AUTHOR M.XU,T.NEELANDS,A.S.POWERS,Y.LIU,S.MILLER,G.PINTILIE,J.DU BOIS, AUTHOR 2 R.O.DROR,W.CHIU,M.MADUKE REVDAT 2 28-FEB-24 8TA2 1 JRNL REVDAT 1 31-JAN-24 8TA2 0 JRNL AUTH M.XU,T.NEELANDS,A.S.POWERS,Y.LIU,S.D.MILLER,G.D.PINTILIE, JRNL AUTH 2 J.D.BOIS,R.O.DROR,W.CHIU,M.MADUKE JRNL TITL CRYOEM STRUCTURES OF THE HUMAN CLC-2 VOLTAGE-GATED CHLORIDE JRNL TITL 2 CHANNEL REVEAL A BALL-AND-CHAIN GATING MECHANISM. JRNL REF ELIFE V. 12 2024 JRNL REFN ESSN 2050-084X JRNL PMID 38345841 JRNL DOI 10.7554/ELIFE.90648 REMARK 2 REMARK 2 RESOLUTION. 2.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, CRYOSPARC, COOT, REMARK 3 CRYOSPARC, CRYOSPARC, CRYOSPARC, REMARK 3 CRYOSPARC, UCSF CHIMERAX REMARK 3 RECONSTRUCTION SCHEMA : NULL REMARK 3 REMARK 3 EM MAP-MODEL FITTING AND REFINEMENT REMARK 3 PDB ENTRY : NULL REMARK 3 REFINEMENT SPACE : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT REMARK 3 REFINEMENT TARGET : Q-SCORE 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) : 2.740 REMARK 3 NUMBER OF PARTICLES : 239181 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 8TA2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUN-23. REMARK 100 THE DEPOSITION ID IS D_1000275260. 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 : CHLORIDE CHANNEL PROTEIN 2 WITH REMARK 245 INHIBITOR AK-42 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 : 7.50 REMARK 245 SAMPLE DETAILS : NULL REMARK 245 REMARK 245 DATA ACQUISITION REMARK 245 DATE OF EXPERIMENT : NULL REMARK 245 NUMBER OF MICROGRAPHS-IMAGES : 14300 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON IV (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 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) : 5000.00 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 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 ASP A 298 REMARK 465 GLU A 299 REMARK 465 GLU A 300 REMARK 465 THR A 301 REMARK 465 ILE A 302 REMARK 465 THR A 303 REMARK 465 GLY A 410 REMARK 465 LEU A 411 REMARK 465 VAL A 412 REMARK 465 GLU A 413 REMARK 465 GLU A 414 REMARK 465 LEU A 415 REMARK 465 GLU A 416 REMARK 465 PRO A 417 REMARK 465 PRO A 418 REMARK 465 HIS A 486 REMARK 465 THR A 487 REMARK 465 ASP A 488 REMARK 465 SER A 489 REMARK 465 GLY B 410 REMARK 465 LEU B 411 REMARK 465 VAL B 412 REMARK 465 GLU B 413 REMARK 465 GLU B 414 REMARK 465 LEU B 415 REMARK 465 GLU B 416 REMARK 465 PRO B 417 REMARK 465 PRO B 418 REMARK 465 HIS B 486 REMARK 465 THR B 487 REMARK 465 ASP B 488 REMARK 465 SER 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 277 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 343 NE - CZ - NH2 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 471 NE - CZ - NH2 ANGL. DEV. = 4.9 DEGREES REMARK 500 ARG B 235 CD - NE - CZ ANGL. DEV. = 8.8 DEGREES REMARK 500 ARG B 235 NE - CZ - NH1 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG B 235 NE - CZ - NH2 ANGL. DEV. = 5.7 DEGREES REMARK 500 ARG B 343 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG B 471 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG B 493 NE - CZ - NH2 ANGL. DEV. = 3.2 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 156 87.68 -163.28 REMARK 500 LEU A 180 71.64 -119.80 REMARK 500 GLU A 231 46.19 -75.54 REMARK 500 PHE A 270 96.57 -69.11 REMARK 500 ARG A 309 50.21 -144.78 REMARK 500 LYS A 362 60.33 -107.07 REMARK 500 MET A 387 29.73 -142.29 REMARK 500 PRO A 453 42.45 -71.09 REMARK 500 PRO A 455 105.40 -58.53 REMARK 500 SER A 516 -3.65 -59.23 REMARK 500 PRO A 563 91.19 -60.58 REMARK 500 ALA B 156 84.53 -163.95 REMARK 500 GLU B 178 12.29 -144.73 REMARK 500 PHE B 383 -19.13 -145.47 REMARK 500 MET B 387 11.91 -141.76 REMARK 500 ASN B 425 72.93 -115.56 REMARK 500 THR B 491 -45.14 67.02 REMARK 500 HIS B 513 74.16 55.75 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 404 0.08 SIDE CHAIN REMARK 500 ARG B 235 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-41126 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-41127 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-41128 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-41129 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-41130 RELATED DB: EMDB DBREF 8TA2 A 88 566 UNP P51788 CLCN2_HUMAN 88 566 DBREF 8TA2 B 88 566 UNP P51788 CLCN2_HUMAN 88 566 SEQRES 1 A 479 GLY GLU ASP TRP ILE PHE LEU VAL LEU LEU GLY LEU LEU SEQRES 2 A 479 MET ALA LEU VAL SER TRP VAL MET ASP TYR ALA ILE ALA SEQRES 3 A 479 ALA CYS LEU GLN ALA GLN GLN TRP MET SER ARG GLY LEU SEQRES 4 A 479 ASN THR SER ILE LEU LEU GLN TYR LEU ALA TRP VAL THR SEQRES 5 A 479 TYR PRO VAL VAL LEU ILE THR PHE SER ALA GLY PHE THR SEQRES 6 A 479 GLN ILE LEU ALA PRO GLN ALA VAL GLY SER GLY ILE PRO SEQRES 7 A 479 GLU MET LYS THR ILE LEU ARG GLY VAL VAL LEU LYS GLU SEQRES 8 A 479 TYR LEU THR LEU LYS THR PHE ILE ALA LYS VAL ILE GLY SEQRES 9 A 479 LEU THR CYS ALA LEU GLY SER GLY MET PRO LEU GLY LYS SEQRES 10 A 479 GLU GLY PRO PHE VAL HIS ILE ALA SER MET CYS ALA ALA SEQRES 11 A 479 LEU LEU SER LYS PHE LEU SER LEU PHE GLY GLY ILE TYR SEQRES 12 A 479 GLU ASN GLU SER ARG ASN THR GLU MET LEU ALA ALA ALA SEQRES 13 A 479 CYS ALA VAL GLY VAL GLY CYS CYS PHE ALA ALA PRO ILE SEQRES 14 A 479 GLY GLY VAL LEU PHE SER ILE GLU VAL THR SER THR PHE SEQRES 15 A 479 PHE ALA VAL ARG ASN TYR TRP ARG GLY PHE PHE ALA ALA SEQRES 16 A 479 THR PHE SER ALA PHE ILE PHE ARG VAL LEU ALA VAL TRP SEQRES 17 A 479 ASN ARG ASP GLU GLU THR ILE THR ALA LEU PHE LYS THR SEQRES 18 A 479 ARG PHE ARG LEU ASP PHE PRO PHE ASP LEU GLN GLU LEU SEQRES 19 A 479 PRO ALA PHE ALA VAL ILE GLY ILE ALA SER GLY PHE GLY SEQRES 20 A 479 GLY ALA LEU PHE VAL TYR LEU ASN ARG LYS ILE VAL GLN SEQRES 21 A 479 VAL MET ARG LYS GLN LYS THR ILE ASN ARG PHE LEU MET SEQRES 22 A 479 ARG LYS ARG LEU LEU PHE PRO ALA LEU VAL THR LEU LEU SEQRES 23 A 479 ILE SER THR LEU THR PHE PRO PRO GLY PHE GLY GLN PHE SEQRES 24 A 479 MET ALA GLY GLN LEU SER GLN LYS GLU THR LEU VAL THR SEQRES 25 A 479 LEU PHE ASP ASN ARG THR TRP VAL ARG GLN GLY LEU VAL SEQRES 26 A 479 GLU GLU LEU GLU PRO PRO SER THR SER GLN ALA TRP ASN SEQRES 27 A 479 PRO PRO ARG ALA ASN VAL PHE LEU THR LEU VAL ILE PHE SEQRES 28 A 479 ILE LEU MET LYS PHE TRP MET SER ALA LEU ALA THR THR SEQRES 29 A 479 ILE PRO VAL PRO CYS GLY ALA PHE MET PRO VAL PHE VAL SEQRES 30 A 479 ILE GLY ALA ALA PHE GLY ARG LEU VAL GLY GLU SER MET SEQRES 31 A 479 ALA ALA TRP PHE PRO ASP GLY ILE HIS THR ASP SER SER SEQRES 32 A 479 THR TYR ARG ILE VAL PRO GLY GLY TYR ALA VAL VAL GLY SEQRES 33 A 479 ALA ALA ALA LEU ALA GLY ALA VAL THR HIS THR VAL SER SEQRES 34 A 479 THR ALA VAL ILE VAL PHE GLU LEU THR GLY GLN ILE ALA SEQRES 35 A 479 HIS ILE LEU PRO VAL MET ILE ALA VAL ILE LEU ALA ASN SEQRES 36 A 479 ALA VAL ALA GLN SER LEU GLN PRO SER LEU TYR ASP SER SEQRES 37 A 479 ILE ILE ARG ILE LYS LYS LEU PRO TYR LEU PRO SEQRES 1 B 479 GLY GLU ASP TRP ILE PHE LEU VAL LEU LEU GLY LEU LEU SEQRES 2 B 479 MET ALA LEU VAL SER TRP VAL MET ASP TYR ALA ILE ALA SEQRES 3 B 479 ALA CYS LEU GLN ALA GLN GLN TRP MET SER ARG GLY LEU SEQRES 4 B 479 ASN THR SER ILE LEU LEU GLN TYR LEU ALA TRP VAL THR SEQRES 5 B 479 TYR PRO VAL VAL LEU ILE THR PHE SER ALA GLY PHE THR SEQRES 6 B 479 GLN ILE LEU ALA PRO GLN ALA VAL GLY SER GLY ILE PRO SEQRES 7 B 479 GLU MET LYS THR ILE LEU ARG GLY VAL VAL LEU LYS GLU SEQRES 8 B 479 TYR LEU THR LEU LYS THR PHE ILE ALA LYS VAL ILE GLY SEQRES 9 B 479 LEU THR CYS ALA LEU GLY SER GLY MET PRO LEU GLY LYS SEQRES 10 B 479 GLU GLY PRO PHE VAL HIS ILE ALA SER MET CYS ALA ALA SEQRES 11 B 479 LEU LEU SER LYS PHE LEU SER LEU PHE GLY GLY ILE TYR SEQRES 12 B 479 GLU ASN GLU SER ARG ASN THR GLU MET LEU ALA ALA ALA SEQRES 13 B 479 CYS ALA VAL GLY VAL GLY CYS CYS PHE ALA ALA PRO ILE SEQRES 14 B 479 GLY GLY VAL LEU PHE SER ILE GLU VAL THR SER THR PHE SEQRES 15 B 479 PHE ALA VAL ARG ASN TYR TRP ARG GLY PHE PHE ALA ALA SEQRES 16 B 479 THR PHE SER ALA PHE ILE PHE ARG VAL LEU ALA VAL TRP SEQRES 17 B 479 ASN ARG ASP GLU GLU THR ILE THR ALA LEU PHE LYS THR SEQRES 18 B 479 ARG PHE ARG LEU ASP PHE PRO PHE ASP LEU GLN GLU LEU SEQRES 19 B 479 PRO ALA PHE ALA VAL ILE GLY ILE ALA SER GLY PHE GLY SEQRES 20 B 479 GLY ALA LEU PHE VAL TYR LEU ASN ARG LYS ILE VAL GLN SEQRES 21 B 479 VAL MET ARG LYS GLN LYS THR ILE ASN ARG PHE LEU MET SEQRES 22 B 479 ARG LYS ARG LEU LEU PHE PRO ALA LEU VAL THR LEU LEU SEQRES 23 B 479 ILE SER THR LEU THR PHE PRO PRO GLY PHE GLY GLN PHE SEQRES 24 B 479 MET ALA GLY GLN LEU SER GLN LYS GLU THR LEU VAL THR SEQRES 25 B 479 LEU PHE ASP ASN ARG THR TRP VAL ARG GLN GLY LEU VAL SEQRES 26 B 479 GLU GLU LEU GLU PRO PRO SER THR SER GLN ALA TRP ASN SEQRES 27 B 479 PRO PRO ARG ALA ASN VAL PHE LEU THR LEU VAL ILE PHE SEQRES 28 B 479 ILE LEU MET LYS PHE TRP MET SER ALA LEU ALA THR THR SEQRES 29 B 479 ILE PRO VAL PRO CYS GLY ALA PHE MET PRO VAL PHE VAL SEQRES 30 B 479 ILE GLY ALA ALA PHE GLY ARG LEU VAL GLY GLU SER MET SEQRES 31 B 479 ALA ALA TRP PHE PRO ASP GLY ILE HIS THR ASP SER SER SEQRES 32 B 479 THR TYR ARG ILE VAL PRO GLY GLY TYR ALA VAL VAL GLY SEQRES 33 B 479 ALA ALA ALA LEU ALA GLY ALA VAL THR HIS THR VAL SER SEQRES 34 B 479 THR ALA VAL ILE VAL PHE GLU LEU THR GLY GLN ILE ALA SEQRES 35 B 479 HIS ILE LEU PRO VAL MET ILE ALA VAL ILE LEU ALA ASN SEQRES 36 B 479 ALA VAL ALA GLN SER LEU GLN PRO SER LEU TYR ASP SER SEQRES 37 B 479 ILE ILE ARG ILE LYS LYS LEU PRO TYR LEU PRO HET GH6 A 601 39 HET CL A 602 1 HET GH6 B 601 39 HET CL B 602 1 HETNAM GH6 2-[[2,6-BIS(CHLORANYL)-3-PHENYLMETHOXY- HETNAM 2 GH6 PHENYL]AMINO]PYRIDINE-3-CARBOXYLIC ACID HETNAM CL CHLORIDE ION FORMUL 3 GH6 2(C19 H14 CL2 N2 O3) FORMUL 4 CL 2(CL 1-) HELIX 1 AA1 GLY A 88 GLY A 125 1 38 HELIX 2 AA2 SER A 129 ALA A 156 1 28 HELIX 3 AA3 PRO A 157 VAL A 160 5 4 HELIX 4 AA4 GLY A 163 ARG A 172 1 10 HELIX 5 AA5 THR A 181 GLY A 197 1 17 HELIX 6 AA6 LYS A 204 LEU A 223 1 20 HELIX 7 AA7 ASN A 232 ALA A 253 1 22 HELIX 8 AA8 ILE A 256 SER A 267 1 12 HELIX 9 AA9 VAL A 272 ASN A 296 1 25 HELIX 10 AB1 ASP A 317 GLN A 319 5 3 HELIX 11 AB2 GLU A 320 GLN A 352 1 33 HELIX 12 AB3 GLN A 352 LYS A 362 1 11 HELIX 13 AB4 LEU A 364 PHE A 379 1 16 HELIX 14 AB5 PHE A 383 ALA A 388 5 6 HELIX 15 AB6 SER A 392 PHE A 401 1 10 HELIX 16 AB7 SER A 419 ASN A 425 5 7 HELIX 17 AB8 ASN A 430 THR A 450 1 21 HELIX 18 AB9 ALA A 458 PHE A 481 1 24 HELIX 19 AC1 VAL A 495 HIS A 513 1 19 HELIX 20 AC2 SER A 516 GLY A 526 1 11 HELIX 21 AC3 HIS A 530 SER A 547 1 18 HELIX 22 AC4 SER A 551 LYS A 560 1 10 HELIX 23 AC5 GLU B 89 LEU B 126 1 38 HELIX 24 AC6 SER B 129 ALA B 156 1 28 HELIX 25 AC7 PRO B 157 VAL B 160 5 4 HELIX 26 AC8 GLY B 163 LEU B 171 1 9 HELIX 27 AC9 THR B 181 SER B 198 1 18 HELIX 28 AD1 LYS B 204 LEU B 223 1 20 HELIX 29 AD2 ASN B 232 ALA B 253 1 22 HELIX 30 AD3 ALA B 254 SER B 267 1 14 HELIX 31 AD4 VAL B 272 ASN B 296 1 25 HELIX 32 AD5 THR B 301 LYS B 307 1 7 HELIX 33 AD6 ASP B 317 GLN B 319 5 3 HELIX 34 AD7 GLU B 320 GLN B 352 1 33 HELIX 35 AD8 GLN B 352 LYS B 362 1 11 HELIX 36 AD9 LEU B 364 PHE B 379 1 16 HELIX 37 AE1 PHE B 383 MET B 387 5 5 HELIX 38 AE2 SER B 392 PHE B 401 1 10 HELIX 39 AE3 THR B 420 TRP B 424 5 5 HELIX 40 AE4 ASN B 430 THR B 450 1 21 HELIX 41 AE5 ALA B 458 PHE B 481 1 24 HELIX 42 AE6 VAL B 495 HIS B 513 1 19 HELIX 43 AE7 SER B 516 GLY B 526 1 11 HELIX 44 AE8 HIS B 530 GLN B 546 1 17 HELIX 45 AE9 SER B 551 LYS B 561 1 11 SHEET 1 AA1 2 PHE A 269 ALA A 271 0 SHEET 2 AA1 2 PHE B 269 ALA B 271 -1 O PHE B 270 N PHE A 270 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