HEADER MEMBRANE PROTEIN 10-NOV-25 9Z4I TITLE CRYO-EM STRUCTURE OF THE MITOCHONDRIAL NCLX IN ITS MONOMERIC STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MITOCHONDRIAL SODIUM/CALCIUM EXCHANGER PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NA(+)/K(+)/CA(2+)-EXCHANGE PROTEIN 6,SODIUM/CALCIUM COMPND 5 EXCHANGER PROTEIN,MITOCHONDRIAL,SODIUM/POTASSIUM/CALCIUM EXCHANGER 6, COMPND 6 SOLUTE CARRIER FAMILY 24 MEMBER 6,SOLUTE CARRIER FAMILY 8 MEMBER B1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: SLC8B1, NCKX6, NCLX, SLC24A6; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606 KEYWDS NCLX, EXCHANGER, MEMBRANE PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR L.ZHANG,Y.JIANG REVDAT 1 15-JUL-26 9Z4I 0 JRNL AUTH L.ZHANG,Y.JIANG JRNL TITL MOLECULAR MECHANISMS OF MITOCHONDRIAL NA+/ CA2+ EXCHANGER JRNL TITL 2 NCLX JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.62 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : RELION, RELION, RELION, RELION, 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 : AB INITIO MODEL 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) : 3.620 REMARK 3 NUMBER OF PARTICLES : 336224 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 9Z4I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-25. REMARK 100 THE DEPOSITION ID IS D_1000302014. 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 : MITOCHONDRIAL SODIUM/CALCIUM REMARK 245 EXCHANGER IN COMPLEX WITH REMARK 245 CALCIUM 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 : 7.40 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) : 900.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2100.00 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 ALA A 2 REMARK 465 GLY A 3 REMARK 465 ARG A 4 REMARK 465 TRP A 5 REMARK 465 LEU A 6 REMARK 465 ASP A 7 REMARK 465 PRO A 8 REMARK 465 LEU A 9 REMARK 465 TRP A 10 REMARK 465 ALA A 11 REMARK 465 PRO A 12 REMARK 465 GLY A 13 REMARK 465 PHE A 14 REMARK 465 LEU A 15 REMARK 465 CYS A 16 REMARK 465 VAL A 17 REMARK 465 ALA A 18 REMARK 465 LEU A 19 REMARK 465 ILE A 20 REMARK 465 LEU A 21 REMARK 465 GLU A 22 REMARK 465 THR A 23 REMARK 465 ALA A 24 REMARK 465 SER A 25 REMARK 465 GLY A 26 REMARK 465 ALA A 27 REMARK 465 GLY A 28 REMARK 465 ASP A 29 REMARK 465 LEU A 30 REMARK 465 SER A 31 REMARK 465 THR A 32 REMARK 465 LYS A 33 REMARK 465 ALA A 34 REMARK 465 HIS A 35 REMARK 465 GLY A 36 REMARK 465 HIS A 37 REMARK 465 ILE A 38 REMARK 465 GLN A 39 REMARK 465 PHE A 40 REMARK 465 SER A 41 REMARK 465 ALA A 42 REMARK 465 ARG A 43 REMARK 465 GLY A 44 REMARK 465 VAL A 45 REMARK 465 ASN A 46 REMARK 465 GLN A 47 REMARK 465 THR A 48 REMARK 465 GLN A 252 REMARK 465 ARG A 253 REMARK 465 GLN A 254 REMARK 465 ARG A 255 REMARK 465 SER A 256 REMARK 465 ARG A 257 REMARK 465 SER A 258 REMARK 465 LEU A 259 REMARK 465 VAL A 260 REMARK 465 HIS A 261 REMARK 465 SER A 262 REMARK 465 ILE A 263 REMARK 465 SER A 264 REMARK 465 GLU A 265 REMARK 465 THR A 266 REMARK 465 PRO A 267 REMARK 465 GLU A 268 REMARK 465 LEU A 269 REMARK 465 LEU A 270 REMARK 465 THR A 271 REMARK 465 ASP A 272 REMARK 465 SER A 273 REMARK 465 GLU A 274 REMARK 465 GLU A 275 REMARK 465 ASP A 276 REMARK 465 GLN A 277 REMARK 465 MET A 278 REMARK 465 SER A 279 REMARK 465 SER A 280 REMARK 465 ASN A 281 REMARK 465 THR A 282 REMARK 465 ASN A 283 REMARK 465 SER A 284 REMARK 465 TYR A 285 REMARK 465 ASP A 286 REMARK 465 TYR A 287 REMARK 465 GLY A 288 REMARK 465 GLU A 289 REMARK 465 GLU A 290 REMARK 465 TYR A 291 REMARK 465 ARG A 292 REMARK 465 PRO A 293 REMARK 465 LEU A 294 REMARK 465 LEU A 295 REMARK 465 LEU A 296 REMARK 465 GLY A 297 REMARK 465 GLU A 298 REMARK 465 GLU A 299 REMARK 465 THR A 300 REMARK 465 ASP A 585 REMARK 465 ALA A 586 REMARK 465 ALA A 587 REMARK 465 ALA A 588 REMARK 465 GLY A 589 REMARK 465 GLY A 590 REMARK 465 SER A 591 REMARK 465 TRP A 592 REMARK 465 SER A 593 REMARK 465 HIS A 594 REMARK 465 PRO A 595 REMARK 465 GLN A 596 REMARK 465 PHE A 597 REMARK 465 GLU A 598 REMARK 465 LYS A 599 REMARK 465 GLY A 600 REMARK 465 GLY A 601 REMARK 465 GLY A 602 REMARK 465 SER A 603 REMARK 465 GLY A 604 REMARK 465 GLY A 605 REMARK 465 GLY A 606 REMARK 465 SER A 607 REMARK 465 GLY A 608 REMARK 465 GLY A 609 REMARK 465 GLY A 610 REMARK 465 SER A 611 REMARK 465 ALA A 612 REMARK 465 TRP A 613 REMARK 465 SER A 614 REMARK 465 HIS A 615 REMARK 465 PRO A 616 REMARK 465 GLN A 617 REMARK 465 PHE A 618 REMARK 465 GLU A 619 REMARK 465 LYS A 620 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 LYS A 355 CG CD CE NZ REMARK 470 ARG A 356 CG CD NE CZ NH1 NH2 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 THR A 143 -63.48 -95.79 REMARK 500 GLN A 320 -150.92 60.60 REMARK 500 ASN A 353 -107.72 65.64 REMARK 500 LYS A 355 -61.34 -102.94 REMARK 500 SER A 376 -149.55 54.45 REMARK 500 ARG A 452 17.43 57.24 REMARK 500 LYS A 583 -108.35 55.26 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-73804 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE MITOCHONDRIAL NCLX IN ITS MONOMERIC STATE DBREF 9Z4I A 1 585 UNP Q6AXS0 NCLX_RAT 1 585 SEQADV 9Z4I ALA A 586 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I ALA A 587 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I ALA A 588 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 589 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 590 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 591 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I TRP A 592 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 593 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I HIS A 594 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I PRO A 595 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLN A 596 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I PHE A 597 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLU A 598 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I LYS A 599 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 600 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 601 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 602 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 603 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 604 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 605 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 606 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 607 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 608 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 609 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLY A 610 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 611 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I ALA A 612 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I TRP A 613 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I SER A 614 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I HIS A 615 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I PRO A 616 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLN A 617 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I PHE A 618 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I GLU A 619 UNP Q6AXS0 EXPRESSION TAG SEQADV 9Z4I LYS A 620 UNP Q6AXS0 EXPRESSION TAG SEQRES 1 A 620 MET ALA GLY ARG TRP LEU ASP PRO LEU TRP ALA PRO GLY SEQRES 2 A 620 PHE LEU CYS VAL ALA LEU ILE LEU GLU THR ALA SER GLY SEQRES 3 A 620 ALA GLY ASP LEU SER THR LYS ALA HIS GLY HIS ILE GLN SEQRES 4 A 620 PHE SER ALA ARG GLY VAL ASN GLN THR ALA MET ALA ASP SEQRES 5 A 620 CYS ARG ALA VAL CYS SER LEU ASN THR SER ASP ARG CYS SEQRES 6 A 620 ASP PHE VAL LYS ARG ASN PRO ASP CYS HIS SER GLU GLY SEQRES 7 A 620 GLY TYR LEU ASP TYR LEU LYS GLY ILE PHE CYS TYR PHE SEQRES 8 A 620 PRO PRO ASN LEU LEU PRO LEU ALA ILE THR LEU TYR VAL SEQRES 9 A 620 PHE TRP LEU LEU TYR LEU PHE LEU ILE LEU GLY VAL THR SEQRES 10 A 620 ALA ALA LYS PHE PHE CYS PRO ASN LEU SER ALA ILE SER SEQRES 11 A 620 THR SER LEU LYS LEU SER HIS ASN VAL ALA GLY VAL THR SEQRES 12 A 620 PHE LEU ALA PHE GLY ASN GLY ALA PRO ASP ILE PHE SER SEQRES 13 A 620 ALA LEU VAL ALA PHE SER ASP PRO ARG THR ALA GLY LEU SEQRES 14 A 620 ALA ILE GLY ALA LEU PHE GLY ALA GLY VAL LEU VAL THR SEQRES 15 A 620 THR VAL VAL ALA GLY GLY ILE THR ILE LEU ARG PRO PHE SEQRES 16 A 620 MET ALA ALA SER ARG PRO PHE LEU ARG ASP ILE THR PHE SEQRES 17 A 620 TYR MET VAL ALA VAL PHE LEU THR PHE THR ALA LEU TYR SEQRES 18 A 620 LEU GLY ARG ILE THR LEU VAL TRP ALA LEU GLY TYR LEU SEQRES 19 A 620 GLY LEU TYR VAL PHE TYR VAL VAL THR VAL ILE ILE CYS SEQRES 20 A 620 THR TRP VAL TYR GLN ARG GLN ARG SER ARG SER LEU VAL SEQRES 21 A 620 HIS SER ILE SER GLU THR PRO GLU LEU LEU THR ASP SER SEQRES 22 A 620 GLU GLU ASP GLN MET SER SER ASN THR ASN SER TYR ASP SEQRES 23 A 620 TYR GLY GLU GLU TYR ARG PRO LEU LEU LEU GLY GLU GLU SEQRES 24 A 620 THR THR GLY GLN ILE LEU LEU GLN ALA LEU ASN PRO LEU SEQRES 25 A 620 ASP TYR ARG LYS TRP ARG THR GLN SER ILE SER CYS LYS SEQRES 26 A 620 LEU LEU LYS VAL ALA LYS LEU PRO VAL GLU PHE LEU LEU SEQRES 27 A 620 LEU LEU THR VAL PRO VAL VAL ASP PRO ASP LYS ASP ASP SEQRES 28 A 620 ARG ASN TRP LYS ARG PRO LEU ASN CYS LEU GLN LEU VAL SEQRES 29 A 620 ILE SER PRO LEU VAL LEU VAL LEU THR LEU GLN SER GLY SEQRES 30 A 620 VAL TYR GLY ILE TYR GLU ILE GLY GLY LEU LEU PRO VAL SEQRES 31 A 620 TRP ALA VAL VAL VAL ILE VAL GLY THR ALA LEU ALA SER SEQRES 32 A 620 VAL THR PHE PHE ALA THR SER ASN SER GLU PRO PRO ARG SEQRES 33 A 620 LEU HIS TRP LEU PHE ALA PHE LEU GLY PHE LEU THR SER SEQRES 34 A 620 ALA LEU TRP ILE ASN ALA ALA ALA THR GLU VAL VAL ASN SEQRES 35 A 620 ILE LEU ARG SER LEU GLY VAL VAL PHE ARG LEU SER ASN SEQRES 36 A 620 THR VAL LEU GLY LEU THR LEU LEU ALA TRP GLY ASN SER SEQRES 37 A 620 ILE GLY ASP ALA PHE SER ASP PHE THR LEU ALA ARG GLN SEQRES 38 A 620 GLY TYR PRO ARG MET ALA PHE SER ALA CYS PHE GLY GLY SEQRES 39 A 620 ILE ILE PHE ASN ILE LEU VAL GLY VAL GLY LEU GLY CYS SEQRES 40 A 620 LEU LEU GLN ILE VAL ARG SER HIS ALA SER GLU VAL LYS SEQRES 41 A 620 LEU GLU PRO ASP GLY LEU LEU VAL TRP VAL LEU ALA SER SEQRES 42 A 620 ALA LEU GLY LEU SER LEU VAL PHE SER LEU VAL SER VAL SEQRES 43 A 620 PRO LEU GLN CYS PHE GLN LEU SER LYS ALA TYR GLY LEU SEQRES 44 A 620 CYS LEU LEU LEU PHE TYR ILE CYS PHE ILE VAL VAL VAL SEQRES 45 A 620 LEU LEU THR GLU PHE GLY VAL ILE HIS LEU LYS ALA ASP SEQRES 46 A 620 ALA ALA ALA GLY GLY SER TRP SER HIS PRO GLN PHE GLU SEQRES 47 A 620 LYS GLY GLY GLY SER GLY GLY GLY SER GLY GLY GLY SER SEQRES 48 A 620 ALA TRP SER HIS PRO GLN PHE GLU LYS HET NA A 701 1 HETNAM NA SODIUM ION FORMUL 2 NA NA 1+ HELIX 1 AA1 ASP A 52 VAL A 56 5 5 HELIX 2 AA2 ASP A 63 ASN A 71 1 9 HELIX 3 AA3 ASP A 82 TYR A 90 1 9 HELIX 4 AA4 PRO A 92 ASN A 94 5 3 HELIX 5 AA5 LEU A 95 PHE A 121 1 27 HELIX 6 AA6 PHE A 122 LYS A 134 1 13 HELIX 7 AA7 SER A 136 SER A 162 1 27 HELIX 8 AA8 THR A 166 ARG A 193 1 28 HELIX 9 AA9 ALA A 198 GLY A 223 1 26 HELIX 10 AB1 LEU A 227 TRP A 249 1 23 HELIX 11 AB2 GLN A 303 ASN A 310 1 8 HELIX 12 AB3 LEU A 327 VAL A 342 1 16 HELIX 13 AB4 LEU A 358 LEU A 374 1 17 HELIX 14 AB5 PRO A 389 ALA A 408 1 20 HELIX 15 AB6 HIS A 418 ARG A 452 1 35 HELIX 16 AB7 SER A 454 GLY A 482 1 29 HELIX 17 AB8 PRO A 484 HIS A 515 1 32 HELIX 18 AB9 LEU A 526 GLN A 549 1 24 HELIX 19 AC1 SER A 554 GLY A 578 1 25 SHEET 1 AA1 2 ARG A 224 THR A 226 0 SHEET 2 AA1 2 GLU A 518 LYS A 520 -1 O VAL A 519 N ILE A 225 SSBOND 1 CYS A 53 CYS A 74 1555 1555 2.03 SSBOND 2 CYS A 65 CYS A 89 1555 1555 2.03 LINK OD2 ASP A 153 NA NA A 701 1555 1555 2.67 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 CONECT 32 196 CONECT 121 315 CONECT 196 32 CONECT 315 121 CONECT 810 3749 CONECT 3749 810 MASTER 273 0 1 19 2 0 0 6 3748 1 6 48 END