HEADER TRANSLOCASE 07-DEC-22 8BWQ TITLE CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 (IN TITLE 2 COMPLEX WITH TOPOTECAN) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ATP-BINDING CASSETTE SUB-FAMILY C MEMBER 4; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MRP/CMOAT-RELATED ABC TRANSPORTER,MULTI-SPECIFIC ORGANIC COMPND 5 ANION TRANSPORTER B,MOAT-B,MULTIDRUG RESISTANCE-ASSOCIATED PROTEIN 4; COMPND 6 EC: 7.6.2.-,7.6.2.2,7.6.2.3; COMPND 7 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: ABCC4, MOATB, MRP4; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HEK; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: BACMAM KEYWDS ABC TRANSPORTER, ABCC4, MRP4, TOPOTECAN BOUND, TRANSLOCASE EXPDTA ELECTRON MICROSCOPY AUTHOR I.RAJ,M.BLOCH,T.H.PAPE,N.M.I.TAYLOR REVDAT 3 15-NOV-23 8BWQ 1 JRNL REVDAT 2 20-SEP-23 8BWQ 1 JRNL REVDAT 1 30-AUG-23 8BWQ 0 JRNL AUTH M.BLOCH,I.RAJ,T.PAPE,N.M.I.TAYLOR JRNL TITL STRUCTURAL AND MECHANISTIC BASIS OF SUBSTRATE TRANSPORT BY JRNL TITL 2 THE MULTIDRUG TRANSPORTER MRP4. JRNL REF STRUCTURE V. 31 1407 2023 JRNL REFN ISSN 0969-2126 JRNL PMID 37683641 JRNL DOI 10.1016/J.STR.2023.08.014 REMARK 2 REMARK 2 RESOLUTION. 3.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, EPU, CRYOSPARC, UCSF REMARK 3 CHIMERAX, COOT, ISOLDE, PHENIX, REMARK 3 CRYOSPARC, CRYOSPARC, 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 : 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) : 3.900 REMARK 3 NUMBER OF PARTICLES : 56002 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 8BWQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-DEC-22. REMARK 100 THE DEPOSITION ID IS D_1292126692. 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 : CRYO-EM STRUCTURE OF NANODISC REMARK 245 -RECONSTITUTED WILDTYPE HUMAN REMARK 245 MRP4 (IN COMPLEX WITH TOPOTECAN) 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 : 1449 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : FEI FALCON III (4K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 500.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2500.00 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) : 4000.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 96000 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 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 LEU A 2 REMARK 465 PRO A 3 REMARK 465 VAL A 4 REMARK 465 TYR A 5 REMARK 465 GLN A 6 REMARK 465 ARG A 400 REMARK 465 GLN A 401 REMARK 465 LEU A 402 REMARK 465 PRO A 403 REMARK 465 SER A 404 REMARK 465 ASP A 405 REMARK 465 GLY A 406 REMARK 465 LYS A 407 REMARK 465 LEU A 621 REMARK 465 LYS A 622 REMARK 465 SER A 623 REMARK 465 GLY A 624 REMARK 465 ILE A 625 REMARK 465 ASP A 626 REMARK 465 PHE A 627 REMARK 465 GLY A 628 REMARK 465 SER A 629 REMARK 465 LEU A 630 REMARK 465 LEU A 631 REMARK 465 LYS A 632 REMARK 465 LYS A 633 REMARK 465 ASP A 634 REMARK 465 ASN A 635 REMARK 465 GLU A 636 REMARK 465 GLU A 637 REMARK 465 SER A 638 REMARK 465 GLU A 639 REMARK 465 GLN A 640 REMARK 465 PRO A 641 REMARK 465 PRO A 642 REMARK 465 VAL A 643 REMARK 465 PRO A 644 REMARK 465 GLY A 645 REMARK 465 THR A 646 REMARK 465 PRO A 647 REMARK 465 THR A 648 REMARK 465 LEU A 649 REMARK 465 ARG A 650 REMARK 465 ASN A 651 REMARK 465 ARG A 652 REMARK 465 THR A 653 REMARK 465 PHE A 654 REMARK 465 SER A 655 REMARK 465 GLU A 656 REMARK 465 SER A 657 REMARK 465 SER A 658 REMARK 465 VAL A 659 REMARK 465 TRP A 660 REMARK 465 SER A 661 REMARK 465 GLN A 662 REMARK 465 GLN A 663 REMARK 465 SER A 664 REMARK 465 SER A 665 REMARK 465 ARG A 666 REMARK 465 PRO A 667 REMARK 465 SER A 668 REMARK 465 LEU A 669 REMARK 465 LYS A 670 REMARK 465 ASP A 671 REMARK 465 GLY A 672 REMARK 465 ALA A 673 REMARK 465 LEU A 674 REMARK 465 GLU A 675 REMARK 465 SER A 676 REMARK 465 GLN A 677 REMARK 465 ASP A 678 REMARK 465 THR A 679 REMARK 465 GLU A 680 REMARK 465 ASN A 681 REMARK 465 VAL A 682 REMARK 465 PRO A 683 REMARK 465 VAL A 684 REMARK 465 THR A 685 REMARK 465 LEU A 686 REMARK 465 SER A 687 REMARK 465 GLU A 688 REMARK 465 GLU A 689 REMARK 465 ASN A 690 REMARK 465 ARG A 691 REMARK 465 SER A 692 REMARK 465 GLU A 693 REMARK 465 GLY A 694 REMARK 465 LYS A 695 REMARK 465 VAL A 747 REMARK 465 THR A 748 REMARK 465 VAL A 749 REMARK 465 ASN A 750 REMARK 465 GLY A 751 REMARK 465 GLY A 752 REMARK 465 GLY A 753 REMARK 465 ASN A 754 REMARK 465 VAL A 755 REMARK 465 THR A 756 REMARK 465 ARG A 1295 REMARK 465 ASN A 1296 REMARK 465 TYR A 1297 REMARK 465 PRO A 1298 REMARK 465 HIS A 1299 REMARK 465 ILE A 1300 REMARK 465 GLY A 1301 REMARK 465 HIS A 1302 REMARK 465 THR A 1303 REMARK 465 ASP A 1304 REMARK 465 HIS A 1305 REMARK 465 MET A 1306 REMARK 465 VAL A 1307 REMARK 465 THR A 1308 REMARK 465 ASN A 1309 REMARK 465 THR A 1310 REMARK 465 SER A 1311 REMARK 465 ASN A 1312 REMARK 465 GLY A 1313 REMARK 465 GLN A 1314 REMARK 465 PRO A 1315 REMARK 465 SER A 1316 REMARK 465 THR A 1317 REMARK 465 LEU A 1318 REMARK 465 THR A 1319 REMARK 465 ILE A 1320 REMARK 465 PHE A 1321 REMARK 465 GLU A 1322 REMARK 465 THR A 1323 REMARK 465 ALA A 1324 REMARK 465 LEU A 1325 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 24 29.59 45.53 REMARK 500 ILE A 150 -65.71 -130.46 REMARK 500 ASN A 200 -49.42 -136.30 REMARK 500 LEU A 367 -51.44 -132.16 REMARK 500 LYS A 421 47.66 -77.75 REMARK 500 PHE A 495 54.79 37.70 REMARK 500 ASP A 560 100.37 -41.06 REMARK 500 PRO A 561 43.42 -81.45 REMARK 500 LEU A 576 -63.02 -95.82 REMARK 500 LEU A 835 -34.34 -135.46 REMARK 500 ILE A 866 -70.35 -72.95 REMARK 500 PRO A1036 93.86 -69.89 REMARK 500 GLU A1038 -31.59 -138.57 REMARK 500 HIS A1060 18.92 53.70 REMARK 500 GLN A1068 16.62 55.30 REMARK 500 LYS A1081 -144.53 51.58 REMARK 500 LYS A1102 7.37 58.82 REMARK 500 LYS A1165 -128.46 50.90 REMARK 500 SER A1173 16.22 55.94 REMARK 500 ASP A1201 72.84 -107.04 REMARK 500 SER A1249 28.27 48.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-16088 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 REMARK 900 (INWARD-FACING CONFORMATION) REMARK 900 RELATED ID: 8BJF RELATED DB: PDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 REMARK 900 (INWARD-FACING CONFORMATION) REMARK 900 RELATED ID: EMD-16292 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED HUMAN MRP4 WITH E1202Q REMARK 900 MUTATION (OUTWARD-FACING OCCLUDED CONFORMATION) REMARK 900 RELATED ID: 8BWO RELATED DB: PDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED HUMAN MRP4 WITH E1202Q REMARK 900 MUTATION (OUTWARD-FACING OCCLUDED CONFORMATION) REMARK 900 RELATED ID: EMD-16293 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 (IN REMARK 900 COMPLEX WITH METHOTREXATE) REMARK 900 RELATED ID: 8BWP RELATED DB: PDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 (IN REMARK 900 COMPLEX WITH METHOTREXATE) REMARK 900 RELATED ID: EMD-16294 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF NANODISC-RECONSTITUTED WILDTYPE HUMAN MRP4 (IN REMARK 900 COMPLEX WITH TOPOTECAN) DBREF 8BWQ A 1 1325 UNP O15439 MRP4_HUMAN 1 1325 SEQRES 1 A 1325 MET LEU PRO VAL TYR GLN GLU VAL LYS PRO ASN PRO LEU SEQRES 2 A 1325 GLN ASP ALA ASN LEU CYS SER ARG VAL PHE PHE TRP TRP SEQRES 3 A 1325 LEU ASN PRO LEU PHE LYS ILE GLY HIS LYS ARG ARG LEU SEQRES 4 A 1325 GLU GLU ASP ASP MET TYR SER VAL LEU PRO GLU ASP ARG SEQRES 5 A 1325 SER GLN HIS LEU GLY GLU GLU LEU GLN GLY PHE TRP ASP SEQRES 6 A 1325 LYS GLU VAL LEU ARG ALA GLU ASN ASP ALA GLN LYS PRO SEQRES 7 A 1325 SER LEU THR ARG ALA ILE ILE LYS CYS TYR TRP LYS SER SEQRES 8 A 1325 TYR LEU VAL LEU GLY ILE PHE THR LEU ILE GLU GLU SER SEQRES 9 A 1325 ALA LYS VAL ILE GLN PRO ILE PHE LEU GLY LYS ILE ILE SEQRES 10 A 1325 ASN TYR PHE GLU ASN TYR ASP PRO MET ASP SER VAL ALA SEQRES 11 A 1325 LEU ASN THR ALA TYR ALA TYR ALA THR VAL LEU THR PHE SEQRES 12 A 1325 CYS THR LEU ILE LEU ALA ILE LEU HIS HIS LEU TYR PHE SEQRES 13 A 1325 TYR HIS VAL GLN CYS ALA GLY MET ARG LEU ARG VAL ALA SEQRES 14 A 1325 MET CYS HIS MET ILE TYR ARG LYS ALA LEU ARG LEU SER SEQRES 15 A 1325 ASN MET ALA MET GLY LYS THR THR THR GLY GLN ILE VAL SEQRES 16 A 1325 ASN LEU LEU SER ASN ASP VAL ASN LYS PHE ASP GLN VAL SEQRES 17 A 1325 THR VAL PHE LEU HIS PHE LEU TRP ALA GLY PRO LEU GLN SEQRES 18 A 1325 ALA ILE ALA VAL THR ALA LEU LEU TRP MET GLU ILE GLY SEQRES 19 A 1325 ILE SER CYS LEU ALA GLY MET ALA VAL LEU ILE ILE LEU SEQRES 20 A 1325 LEU PRO LEU GLN SER CYS PHE GLY LYS LEU PHE SER SER SEQRES 21 A 1325 LEU ARG SER LYS THR ALA THR PHE THR ASP ALA ARG ILE SEQRES 22 A 1325 ARG THR MET ASN GLU VAL ILE THR GLY ILE ARG ILE ILE SEQRES 23 A 1325 LYS MET TYR ALA TRP GLU LYS SER PHE SER ASN LEU ILE SEQRES 24 A 1325 THR ASN LEU ARG LYS LYS GLU ILE SER LYS ILE LEU ARG SEQRES 25 A 1325 SER SER CYS LEU ARG GLY MET ASN LEU ALA SER PHE PHE SEQRES 26 A 1325 SER ALA SER LYS ILE ILE VAL PHE VAL THR PHE THR THR SEQRES 27 A 1325 TYR VAL LEU LEU GLY SER VAL ILE THR ALA SER ARG VAL SEQRES 28 A 1325 PHE VAL ALA VAL THR LEU TYR GLY ALA VAL ARG LEU THR SEQRES 29 A 1325 VAL THR LEU PHE PHE PRO SER ALA ILE GLU ARG VAL SER SEQRES 30 A 1325 GLU ALA ILE VAL SER ILE ARG ARG ILE GLN THR PHE LEU SEQRES 31 A 1325 LEU LEU ASP GLU ILE SER GLN ARG ASN ARG GLN LEU PRO SEQRES 32 A 1325 SER ASP GLY LYS LYS MET VAL HIS VAL GLN ASP PHE THR SEQRES 33 A 1325 ALA PHE TRP ASP LYS ALA SER GLU THR PRO THR LEU GLN SEQRES 34 A 1325 GLY LEU SER PHE THR VAL ARG PRO GLY GLU LEU LEU ALA SEQRES 35 A 1325 VAL VAL GLY PRO VAL GLY ALA GLY LYS SER SER LEU LEU SEQRES 36 A 1325 SER ALA VAL LEU GLY GLU LEU ALA PRO SER HIS GLY LEU SEQRES 37 A 1325 VAL SER VAL HIS GLY ARG ILE ALA TYR VAL SER GLN GLN SEQRES 38 A 1325 PRO TRP VAL PHE SER GLY THR LEU ARG SER ASN ILE LEU SEQRES 39 A 1325 PHE GLY LYS LYS TYR GLU LYS GLU ARG TYR GLU LYS VAL SEQRES 40 A 1325 ILE LYS ALA CYS ALA LEU LYS LYS ASP LEU GLN LEU LEU SEQRES 41 A 1325 GLU ASP GLY ASP LEU THR VAL ILE GLY ASP ARG GLY THR SEQRES 42 A 1325 THR LEU SER GLY GLY GLN LYS ALA ARG VAL ASN LEU ALA SEQRES 43 A 1325 ARG ALA VAL TYR GLN ASP ALA ASP ILE TYR LEU LEU ASP SEQRES 44 A 1325 ASP PRO LEU SER ALA VAL ASP ALA GLU VAL SER ARG HIS SEQRES 45 A 1325 LEU PHE GLU LEU CYS ILE CYS GLN ILE LEU HIS GLU LYS SEQRES 46 A 1325 ILE THR ILE LEU VAL THR HIS GLN LEU GLN TYR LEU LYS SEQRES 47 A 1325 ALA ALA SER GLN ILE LEU ILE LEU LYS ASP GLY LYS MET SEQRES 48 A 1325 VAL GLN LYS GLY THR TYR THR GLU PHE LEU LYS SER GLY SEQRES 49 A 1325 ILE ASP PHE GLY SER LEU LEU LYS LYS ASP ASN GLU GLU SEQRES 50 A 1325 SER GLU GLN PRO PRO VAL PRO GLY THR PRO THR LEU ARG SEQRES 51 A 1325 ASN ARG THR PHE SER GLU SER SER VAL TRP SER GLN GLN SEQRES 52 A 1325 SER SER ARG PRO SER LEU LYS ASP GLY ALA LEU GLU SER SEQRES 53 A 1325 GLN ASP THR GLU ASN VAL PRO VAL THR LEU SER GLU GLU SEQRES 54 A 1325 ASN ARG SER GLU GLY LYS VAL GLY PHE GLN ALA TYR LYS SEQRES 55 A 1325 ASN TYR PHE ARG ALA GLY ALA HIS TRP ILE VAL PHE ILE SEQRES 56 A 1325 PHE LEU ILE LEU LEU ASN THR ALA ALA GLN VAL ALA TYR SEQRES 57 A 1325 VAL LEU GLN ASP TRP TRP LEU SER TYR TRP ALA ASN LYS SEQRES 58 A 1325 GLN SER MET LEU ASN VAL THR VAL ASN GLY GLY GLY ASN SEQRES 59 A 1325 VAL THR GLU LYS LEU ASP LEU ASN TRP TYR LEU GLY ILE SEQRES 60 A 1325 TYR SER GLY LEU THR VAL ALA THR VAL LEU PHE GLY ILE SEQRES 61 A 1325 ALA ARG SER LEU LEU VAL PHE TYR VAL LEU VAL ASN SER SEQRES 62 A 1325 SER GLN THR LEU HIS ASN LYS MET PHE GLU SER ILE LEU SEQRES 63 A 1325 LYS ALA PRO VAL LEU PHE PHE ASP ARG ASN PRO ILE GLY SEQRES 64 A 1325 ARG ILE LEU ASN ARG PHE SER LYS ASP ILE GLY HIS LEU SEQRES 65 A 1325 ASP ASP LEU LEU PRO LEU THR PHE LEU ASP PHE ILE GLN SEQRES 66 A 1325 THR LEU LEU GLN VAL VAL GLY VAL VAL SER VAL ALA VAL SEQRES 67 A 1325 ALA VAL ILE PRO TRP ILE ALA ILE PRO LEU VAL PRO LEU SEQRES 68 A 1325 GLY ILE ILE PHE ILE PHE LEU ARG ARG TYR PHE LEU GLU SEQRES 69 A 1325 THR SER ARG ASP VAL LYS ARG LEU GLU SER THR THR ARG SEQRES 70 A 1325 SER PRO VAL PHE SER HIS LEU SER SER SER LEU GLN GLY SEQRES 71 A 1325 LEU TRP THR ILE ARG ALA TYR LYS ALA GLU GLU ARG CYS SEQRES 72 A 1325 GLN GLU LEU PHE ASP ALA HIS GLN ASP LEU HIS SER GLU SEQRES 73 A 1325 ALA TRP PHE LEU PHE LEU THR THR SER ARG TRP PHE ALA SEQRES 74 A 1325 VAL ARG LEU ASP ALA ILE CYS ALA MET PHE VAL ILE ILE SEQRES 75 A 1325 VAL ALA PHE GLY SER LEU ILE LEU ALA LYS THR LEU ASP SEQRES 76 A 1325 ALA GLY GLN VAL GLY LEU ALA LEU SER TYR ALA LEU THR SEQRES 77 A 1325 LEU MET GLY MET PHE GLN TRP CYS VAL ARG GLN SER ALA SEQRES 78 A 1325 GLU VAL GLU ASN MET MET ILE SER VAL GLU ARG VAL ILE SEQRES 79 A 1325 GLU TYR THR ASP LEU GLU LYS GLU ALA PRO TRP GLU TYR SEQRES 80 A 1325 GLN LYS ARG PRO PRO PRO ALA TRP PRO HIS GLU GLY VAL SEQRES 81 A 1325 ILE ILE PHE ASP ASN VAL ASN PHE MET TYR SER PRO GLY SEQRES 82 A 1325 GLY PRO LEU VAL LEU LYS HIS LEU THR ALA LEU ILE LYS SEQRES 83 A 1325 SER GLN GLU LYS VAL GLY ILE VAL GLY ARG THR GLY ALA SEQRES 84 A 1325 GLY LYS SER SER LEU ILE SER ALA LEU PHE ARG LEU SER SEQRES 85 A 1325 GLU PRO GLU GLY LYS ILE TRP ILE ASP LYS ILE LEU THR SEQRES 86 A 1325 THR GLU ILE GLY LEU HIS ASP LEU ARG LYS LYS MET SER SEQRES 87 A 1325 ILE ILE PRO GLN GLU PRO VAL LEU PHE THR GLY THR MET SEQRES 88 A 1325 ARG LYS ASN LEU ASP PRO PHE ASN GLU HIS THR ASP GLU SEQRES 89 A 1325 GLU LEU TRP ASN ALA LEU GLN GLU VAL GLN LEU LYS GLU SEQRES 90 A 1325 THR ILE GLU ASP LEU PRO GLY LYS MET ASP THR GLU LEU SEQRES 91 A 1325 ALA GLU SER GLY SER ASN PHE SER VAL GLY GLN ARG GLN SEQRES 92 A 1325 LEU VAL CYS LEU ALA ARG ALA ILE LEU ARG LYS ASN GLN SEQRES 93 A 1325 ILE LEU ILE ILE ASP GLU ALA THR ALA ASN VAL ASP PRO SEQRES 94 A 1325 ARG THR ASP GLU LEU ILE GLN LYS LYS ILE ARG GLU LYS SEQRES 95 A 1325 PHE ALA HIS CYS THR VAL LEU THR ILE ALA HIS ARG LEU SEQRES 96 A 1325 ASN THR ILE ILE ASP SER ASP LYS ILE MET VAL LEU ASP SEQRES 97 A 1325 SER GLY ARG LEU LYS GLU TYR ASP GLU PRO TYR VAL LEU SEQRES 98 A 1325 LEU GLN ASN LYS GLU SER LEU PHE TYR LYS MET VAL GLN SEQRES 99 A 1325 GLN LEU GLY LYS ALA GLU ALA ALA ALA LEU THR GLU THR SEQRES 100 A 1325 ALA LYS GLN VAL TYR PHE LYS ARG ASN TYR PRO HIS ILE SEQRES 101 A 1325 GLY HIS THR ASP HIS MET VAL THR ASN THR SER ASN GLY SEQRES 102 A 1325 GLN PRO SER THR LEU THR ILE PHE GLU THR ALA LEU HET TTC A1401 31 HETNAM TTC (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY- HETNAM 2 TTC 1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3, HETNAM 3 TTC 14(4H,12H)-DIONE HETSYN TTC TOPOTECAN, HYCAMTIN FORMUL 2 TTC C23 H23 N3 O5 HELIX 1 AA1 ASN A 11 ASP A 15 5 5 HELIX 2 AA2 ASN A 17 VAL A 22 1 6 HELIX 3 AA3 PHE A 24 TRP A 26 5 3 HELIX 4 AA4 LEU A 27 ARG A 37 1 11 HELIX 5 AA5 LEU A 48 ASP A 51 5 4 HELIX 6 AA6 ARG A 52 ASP A 74 1 23 HELIX 7 AA7 SER A 79 ASN A 122 1 44 HELIX 8 AA8 ASP A 127 ILE A 150 1 24 HELIX 9 AA9 ILE A 150 LEU A 181 1 32 HELIX 10 AB1 SER A 182 LYS A 188 1 7 HELIX 11 AB2 THR A 190 ASN A 200 1 11 HELIX 12 AB3 ASN A 203 VAL A 210 1 8 HELIX 13 AB4 HIS A 213 GLY A 234 1 22 HELIX 14 AB5 ILE A 235 ALA A 290 1 56 HELIX 15 AB6 TRP A 291 LEU A 342 1 52 HELIX 16 AB7 THR A 347 LEU A 367 1 21 HELIX 17 AB8 LEU A 367 LEU A 391 1 25 HELIX 18 AB9 SER A 452 LEU A 459 1 8 HELIX 19 AC1 THR A 488 PHE A 495 1 8 HELIX 20 AC2 GLU A 500 CYS A 511 1 12 HELIX 21 AC3 ALA A 512 ASP A 522 1 11 HELIX 22 AC4 GLY A 529 THR A 533 5 5 HELIX 23 AC5 SER A 536 ASP A 552 1 17 HELIX 24 AC6 ALA A 567 LEU A 576 1 10 HELIX 25 AC7 LEU A 576 ILE A 581 1 6 HELIX 26 AC8 LEU A 582 LYS A 585 5 4 HELIX 27 AC9 GLN A 593 ALA A 600 5 8 HELIX 28 AD1 THR A 616 PHE A 620 5 5 HELIX 29 AD2 GLY A 697 ALA A 707 1 11 HELIX 30 AD3 HIS A 710 LEU A 745 1 36 HELIX 31 AD4 ASP A 760 LYS A 807 1 48 HELIX 32 AD5 PRO A 809 ASN A 816 1 8 HELIX 33 AD6 PRO A 817 LYS A 827 1 11 HELIX 34 AD7 LYS A 827 LEU A 835 1 9 HELIX 35 AD8 LEU A 835 ILE A 861 1 27 HELIX 36 AD9 ILE A 864 GLY A 910 1 47 HELIX 37 AE1 GLY A 910 TYR A 917 1 8 HELIX 38 AE2 ALA A 919 LEU A 970 1 52 HELIX 39 AE3 ASP A 975 MET A 1007 1 33 HELIX 40 AE4 MET A 1007 ASP A 1018 1 12 HELIX 41 AE5 SER A 1082 PHE A 1089 1 8 HELIX 42 AE6 THR A 1106 ILE A 1108 5 3 HELIX 43 AE7 GLY A 1109 LYS A 1115 1 7 HELIX 44 AE8 THR A 1130 ASP A 1136 1 7 HELIX 45 AE9 THR A 1142 VAL A 1153 1 12 HELIX 46 AF1 GLN A 1154 ILE A 1159 5 6 HELIX 47 AF2 GLY A 1164 THR A 1168 5 5 HELIX 48 AF3 ALA A 1171 SER A 1175 5 5 HELIX 49 AF4 SER A 1178 LYS A 1194 1 17 HELIX 50 AF5 ALA A 1203 VAL A 1207 5 5 HELIX 51 AF6 ASP A 1208 PHE A 1223 1 16 HELIX 52 AF7 ARG A 1234 ILE A 1238 5 5 HELIX 53 AF8 GLU A 1257 ASN A 1264 1 8 HELIX 54 AF9 SER A 1267 GLN A 1275 1 9 HELIX 55 AG1 LEU A 1276 LYS A 1278 5 3 HELIX 56 AG2 ALA A 1279 VAL A 1291 1 13 SHEET 1 AA1 3 LEU A 428 VAL A 435 0 SHEET 2 AA1 3 VAL A 410 ALA A 417 -1 N VAL A 412 O PHE A 433 SHEET 3 AA1 3 HIS A 466 VAL A 471 -1 O SER A 470 N HIS A 411 SHEET 1 AA2 6 ILE A 475 VAL A 478 0 SHEET 2 AA2 6 ILE A 555 LEU A 558 1 O ILE A 555 N ALA A 476 SHEET 3 AA2 6 ILE A 586 LEU A 589 1 O ILE A 586 N TYR A 556 SHEET 4 AA2 6 LEU A 440 VAL A 444 1 N LEU A 441 O THR A 587 SHEET 5 AA2 6 GLN A 602 LYS A 607 1 O LEU A 604 N VAL A 444 SHEET 6 AA2 6 LYS A 610 GLN A 613 -1 O LYS A 610 N LYS A 607 SHEET 1 AA3 4 LEU A1058 ILE A1065 0 SHEET 2 AA3 4 ILE A1041 PHE A1048 -1 N VAL A1046 O LEU A1061 SHEET 3 AA3 4 GLU A1095 ILE A1100 -1 O GLU A1095 N ASN A1047 SHEET 4 AA3 4 ILE A1103 LEU A1104 -1 O ILE A1103 N ILE A1100 SHEET 1 AA4 5 ILE A1197 ASP A1201 0 SHEET 2 AA4 5 THR A1227 ILE A1231 1 O LEU A1229 N ILE A1200 SHEET 3 AA4 5 LYS A1070 GLY A1075 1 N ILE A1073 O THR A1230 SHEET 4 AA4 5 LYS A1243 ASP A1248 1 O MET A1245 N GLY A1072 SHEET 5 AA4 5 ARG A1251 ASP A1256 -1 O ARG A1251 N ASP A1248 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