HEADER DNA BINDING PROTEIN 01-AUG-24 9IZP TITLE CRYO-EM STRUCTURE OF CASLAMBDA2-CRRNA-TARGET DNA TERNARY COMPLEX IN TITLE 2 THE INCOMPETENT STATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAS LAMBDA2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RNA (58-MER); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: DNA (40-MER); COMPND 11 CHAIN: C; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: DNA (40-MER); COMPND 15 CHAIN: D; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: UNIDENTIFIED; SOURCE 3 ORGANISM_TAXID: 32644; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: UNIDENTIFIED; SOURCE 8 ORGANISM_TAXID: 32644; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: UNIDENTIFIED; SOURCE 13 ORGANISM_TAXID: 32644; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 MOL_ID: 4; SOURCE 17 ORGANISM_SCIENTIFIC: UNIDENTIFIED; SOURCE 18 ORGANISM_TAXID: 32644; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CRISPR-CAS12, GENOME ENGINEERING, HYDROLASE-RNA-DNA COMPLEX, DNA KEYWDS 2 BINDING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR S.N.OMURA,H.HIRANO,Y.ITOH,O.NUREKI REVDAT 2 25-JUN-25 9IZP 1 JRNL REVDAT 1 11-JUN-25 9IZP 0 JRNL AUTH S.N.OMURA,L.E.ALFONSE,A.ORNSTEIN,H.MORINAGA,H.HIRANO,Y.ITOH, JRNL AUTH 2 G.MUNOZ,A.J.GARRITY,G.R.HOFFMAN,T.DITOMMASO,W.X.YAN, JRNL AUTH 3 D.R.CHENG,D.A.SCOTT,Z.MABEN,O.NUREKI JRNL TITL STRUCTURAL BASIS FOR TARGET DNA CLEAVAGE AND GUIDE RNA JRNL TITL 2 PROCESSING BY CRISPR-CAS LAMBDA 2. JRNL REF COMMUN BIOL V. 8 876 2025 JRNL REFN ESSN 2399-3642 JRNL PMID 40473912 JRNL DOI 10.1038/S42003-025-08300-8 REMARK 2 REMARK 2 RESOLUTION. 2.89 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) : 2.890 REMARK 3 NUMBER OF PARTICLES : 149163 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 9IZP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-AUG-24. REMARK 100 THE DEPOSITION ID IS D_1300050056. 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 : CASLAMBDA2-CRRNA-TARGET DNA REMARK 245 TERNARY COMPLEX 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 : GATAN K3 (6K X 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 800.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 1600.00 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 : OTHER 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 -9 REMARK 465 GLY A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 GLY A -1 REMARK 465 GLY A 0 REMARK 465 LEU A 528 REMARK 465 GLU A 529 REMARK 465 ASN A 530 REMARK 465 SER A 531 REMARK 465 ASN A 532 REMARK 465 PRO A 634 REMARK 465 SER A 635 REMARK 465 GLU A 636 REMARK 465 PHE A 637 REMARK 465 THR A 638 REMARK 465 SER A 639 REMARK 465 GLN A 640 REMARK 465 MET A 641 REMARK 465 ASP A 642 REMARK 465 SER A 643 REMARK 465 THR A 644 REMARK 465 ASP A 645 REMARK 465 HIS A 646 REMARK 465 CYS A 647 REMARK 465 LEU A 648 REMARK 465 TYR A 649 REMARK 465 MET A 650 REMARK 465 LYS A 651 REMARK 465 LYS A 652 REMARK 465 ASN A 653 REMARK 465 ASP A 654 REMARK 465 LYS A 655 REMARK 465 GLY A 656 REMARK 465 LYS A 657 REMARK 465 LEU A 658 REMARK 465 VAL A 659 REMARK 465 LYS A 660 REMARK 465 ALA A 661 REMARK 465 ASP A 662 REMARK 465 LYS A 663 REMARK 465 LYS A 664 REMARK 465 GLU A 665 REMARK 465 VAL A 666 REMARK 465 ARG A 667 REMARK 465 THR A 668 REMARK 465 LYS A 669 REMARK 465 GLN A 670 REMARK 465 GLU A 671 REMARK 465 LYS A 672 REMARK 465 HIS A 673 REMARK 465 ILE A 674 REMARK 465 ASN A 675 REMARK 465 GLY A 676 REMARK 465 LEU A 677 REMARK 465 ASN A 678 REMARK 465 ALA A 679 REMARK 465 ASP A 680 REMARK 465 PHE A 681 REMARK 465 ASN A 682 REMARK 465 ALA A 683 REMARK 465 ALA A 684 REMARK 465 ASN A 685 REMARK 465 ASN A 686 REMARK 465 ILE A 687 REMARK 465 LYS A 688 REMARK 465 TYR A 689 REMARK 465 ILE A 690 REMARK 465 VAL A 691 REMARK 465 GLU A 692 REMARK 465 ASN A 693 REMARK 465 GLU A 694 REMARK 465 VAL A 695 REMARK 465 TRP A 696 REMARK 465 ARG A 697 REMARK 465 GLU A 698 REMARK 465 ILE A 699 REMARK 465 PHE A 700 REMARK 465 CYS A 701 REMARK 465 THR A 702 REMARK 465 ARG A 703 REMARK 465 PRO A 704 REMARK 465 LYS A 705 REMARK 465 LYS A 706 REMARK 465 ALA A 707 REMARK 465 GLU A 708 REMARK 465 TYR A 709 REMARK 465 ASN A 710 REMARK 465 VAL A 711 REMARK 465 PRO A 712 REMARK 465 SER A 713 REMARK 465 LEU A 714 REMARK 465 ASP A 715 REMARK 465 THR A 716 REMARK 465 THR A 717 REMARK 465 LYS A 718 REMARK 465 LYS A 719 REMARK 465 GLY A 720 REMARK 465 PRO A 721 REMARK 465 SER A 722 REMARK 465 ALA A 723 REMARK 465 ILE A 724 REMARK 465 LEU A 725 REMARK 465 HIS A 726 REMARK 465 MET A 727 REMARK 465 LEU A 728 REMARK 465 LYS A 729 REMARK 465 LYS A 730 REMARK 465 ILE A 731 REMARK 465 GLU A 732 REMARK 465 ALA A 733 REMARK 465 ILE A 734 REMARK 465 LYS A 735 REMARK 465 ILE A 736 REMARK 465 LEU A 737 REMARK 465 GLU A 738 REMARK 465 THR A 739 REMARK 465 GLU A 740 REMARK 465 LYS A 741 REMARK 465 G B -38 REMARK 465 G B -37 REMARK 465 G B 17 REMARK 465 G B 18 REMARK 465 C B 19 REMARK 465 DG C 3 REMARK 465 DA C 4 REMARK 465 DT C 5 REMARK 465 DG C 6 REMARK 465 DA C 7 REMARK 465 DG C 8 REMARK 465 DG C 9 REMARK 465 DT C 10 REMARK 465 DG C 11 REMARK 465 DC C 12 REMARK 465 DG C 13 REMARK 465 DC C 14 REMARK 465 DG C 15 REMARK 465 DT C 16 REMARK 465 DG C 17 REMARK 465 GS C 18 REMARK 465 SC C 19 REMARK 465 AS C 20 REMARK 465 SC C 21 REMARK 465 SC C 22 REMARK 465 AS C 23 REMARK 465 PST C 24 REMARK 465 SC C 25 REMARK 465 AS C 26 REMARK 465 PST C 27 REMARK 465 AS C 28 REMARK 465 PST C 29 REMARK 465 AS D -9 REMARK 465 PST D -8 REMARK 465 AS D -7 REMARK 465 PST D -6 REMARK 465 GS D -5 REMARK 465 AS D -4 REMARK 465 PST D -3 REMARK 465 GS D -2 REMARK 465 GS D -1 REMARK 465 PST D 0 REMARK 465 GS D 1 REMARK 465 SC D 2 REMARK 465 DC D 3 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 TYR A 103 109.93 -58.53 REMARK 500 ARG A 116 -61.01 -102.18 REMARK 500 ARG A 271 1.99 -66.47 REMARK 500 VAL A 318 -60.57 -120.18 REMARK 500 CYS A 380 75.73 59.73 REMARK 500 PRO A 381 57.16 -68.85 REMARK 500 LEU A 551 52.00 -92.89 REMARK 500 ASN A 579 -167.05 -128.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 801 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 499 OD1 REMARK 620 2 G B -30 OP1 85.1 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-61038 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF CASLAMBDA2-CRRNA-TARGET DNA TERNARY COMPLEX IN REMARK 900 THE INCOMPETENT STATE DBREF 9IZP A -9 741 PDB 9IZP 9IZP -9 741 DBREF 9IZP B -38 19 PDB 9IZP 9IZP -38 19 DBREF 9IZP C -10 29 PDB 9IZP 9IZP -10 29 DBREF 9IZP D -9 30 PDB 9IZP 9IZP -9 30 SEQRES 1 A 751 MET GLY HIS HIS HIS HIS HIS HIS GLY GLY MET LYS LYS SEQRES 2 A 751 SER ILE LYS PHE LYS VAL LYS GLY ASN CYS PRO ILE THR SEQRES 3 A 751 LYS ASP VAL ILE ASN GLU TYR LYS GLU TYR TYR ASN LYS SEQRES 4 A 751 CYS SER ASP TRP ILE LYS ASN ASN LEU THR SER ILE THR SEQRES 5 A 751 ILE GLY GLU MET ALA LYS PHE LEU GLN GLU THR LEU GLY SEQRES 6 A 751 LYS ASP VAL ALA TYR ILE SER MET GLY LEU SER ASP GLU SEQRES 7 A 751 TRP LYS ASP LYS PRO LEU TYR HIS LEU PHE THR LYS LYS SEQRES 8 A 751 TYR HIS THR ASN ASN ALA ASP ASN LEU LEU TYR TYR TYR SEQRES 9 A 751 ILE LYS GLU LYS ASN LEU ASP GLY TYR LYS GLY ASN THR SEQRES 10 A 751 LEU ASN ILE GLY ASN THR PHE PHE ARG GLN PHE GLY TYR SEQRES 11 A 751 PHE LYS LEU VAL VAL SER ASN TYR ARG THR LYS ILE ARG SEQRES 12 A 751 THR LEU ASN CYS GLU ILE LYS ARG LYS LYS ILE ASP ALA SEQRES 13 A 751 ASP SER THR SER GLU ASP ILE GLU MET GLN THR MET TYR SEQRES 14 A 751 GLU ILE ILE LYS HIS ASN LEU ASN LYS LYS THR ASP TRP SEQRES 15 A 751 ASP GLU PHE ILE SER TYR ILE GLU ASN VAL GLU ASN PRO SEQRES 16 A 751 ASN ILE ASP ASN ILE ASN ARG TYR LYS LEU LEU ARG LYS SEQRES 17 A 751 CYS PHE CYS GLU ASN GLU ASN MET ILE LYS ASN LYS LEU SEQRES 18 A 751 GLU LEU LEU SER ILE GLU GLN LEU LYS ASN PHE GLY GLY SEQRES 19 A 751 CYS ILE MET LYS GLN HIS ILE ASN SER MET THR LEU ILE SEQRES 20 A 751 ILE GLN HIS PHE LYS ILE GLU GLU LYS GLU ASN SER LEU SEQRES 21 A 751 GLY PHE ILE LEU ASN LEU PRO LEU ASN LYS LYS GLN TYR SEQRES 22 A 751 GLN ILE GLU LEU TRP GLY ASN ARG GLN VAL ASN LYS GLY SEQRES 23 A 751 THR LYS GLU ARG ASP ALA PHE LEU ASN THR TYR GLY GLU SEQRES 24 A 751 ASN ILE VAL PHE ILE ILE ASN ASN ASP GLU LEU TYR VAL SEQRES 25 A 751 VAL PHE SER TYR GLU TYR GLU LEU GLU LYS GLU GLU ALA SEQRES 26 A 751 ASN PHE VAL LYS THR VAL GLY LEU ASP VAL ASN PHE LYS SEQRES 27 A 751 HIS ALA PHE PHE VAL THR SER GLU LYS ASP ASN CYS HIS SEQRES 28 A 751 LEU ASP GLY TYR ILE ASN LEU TYR LYS TYR LEU LEU GLU SEQRES 29 A 751 HIS ASP GLU PHE THR ASN LEU LEU THR ASN ASP GLU LYS SEQRES 30 A 751 LYS ASP TYR GLU GLU LEU SER LYS VAL VAL THR PHE CYS SEQRES 31 A 751 PRO PHE GLU ASN GLN LEU LEU PHE ALA ARG TYR ASN LYS SEQRES 32 A 751 MET SER LYS PHE CYS LYS LYS GLU GLN VAL LEU SER LYS SEQRES 33 A 751 LEU LEU TYR ALA LEU GLN LYS GLN LEU LYS ASP GLU ASN SEQRES 34 A 751 ARG THR LYS GLU TYR ILE TYR VAL SER CYS VAL ASN LYS SEQRES 35 A 751 LEU ARG ALA LYS TYR VAL SER TYR PHE ILE LEU LYS GLU SEQRES 36 A 751 LYS TYR TYR GLU LYS GLN LYS GLU TYR ASP ILE GLU MET SEQRES 37 A 751 GLY PHE VAL ASP ASP SER THR GLU SER LYS GLU SER MET SEQRES 38 A 751 ASP LYS ARG ARG THR GLU PHE PRO PHE ARG ASN THR PRO SEQRES 39 A 751 VAL ALA ASN GLU LEU LEU SER LYS LEU ASN ASN VAL GLN SEQRES 40 A 751 GLN ASP ILE ASN GLY CYS LEU LYS ASN ILE ILE ASN TYR SEQRES 41 A 751 ILE TYR LYS ILE PHE GLU GLN ASN GLY TYR LYS ILE VAL SEQRES 42 A 751 ALA LEU GLU ASN LEU GLU ASN SER ASN PHE GLU LYS LYS SEQRES 43 A 751 GLN VAL LEU PRO THR ILE LYS SER LEU LEU LYS TYR HIS SEQRES 44 A 751 LYS LEU GLU ASN GLN ASN VAL ASN ASP ILE LYS ALA SER SEQRES 45 A 751 ASP LYS VAL LYS GLU TYR ILE GLU ASN GLY TYR TYR GLU SEQRES 46 A 751 LEU ILE THR ASN GLU ASN ASN GLU ILE VAL ASP ALA LYS SEQRES 47 A 751 TYR THR GLU LYS GLY ALA MET LYS VAL LYS ASN ALA ASN SEQRES 48 A 751 PHE PHE ASN LEU MET MET LYS SER LEU HIS PHE ALA SER SEQRES 49 A 751 VAL LYS ASP GLU PHE VAL LEU LEU SER ASN ASN GLY LYS SEQRES 50 A 751 THR GLN ILE ALA LEU VAL PRO SER GLU PHE THR SER GLN SEQRES 51 A 751 MET ASP SER THR ASP HIS CYS LEU TYR MET LYS LYS ASN SEQRES 52 A 751 ASP LYS GLY LYS LEU VAL LYS ALA ASP LYS LYS GLU VAL SEQRES 53 A 751 ARG THR LYS GLN GLU LYS HIS ILE ASN GLY LEU ASN ALA SEQRES 54 A 751 ASP PHE ASN ALA ALA ASN ASN ILE LYS TYR ILE VAL GLU SEQRES 55 A 751 ASN GLU VAL TRP ARG GLU ILE PHE CYS THR ARG PRO LYS SEQRES 56 A 751 LYS ALA GLU TYR ASN VAL PRO SER LEU ASP THR THR LYS SEQRES 57 A 751 LYS GLY PRO SER ALA ILE LEU HIS MET LEU LYS LYS ILE SEQRES 58 A 751 GLU ALA ILE LYS ILE LEU GLU THR GLU LYS SEQRES 1 B 58 G G C U U G U U G U A U A SEQRES 2 B 58 U A U U C U U U U A U A G SEQRES 3 B 58 G U A U U A A A C A A C G SEQRES 4 B 58 G A G A U G A G G U G C G SEQRES 5 B 58 C G U G G C SEQRES 1 C 40 DT DG DT DC DT DA DT DT DT DA DG DG DA SEQRES 2 C 40 DG DA DT DG DA DG DG DT DG DC DG DC DG SEQRES 3 C 40 DT DG GS SC AS SC SC AS PST SC AS PST AS SEQRES 4 C 40 PST SEQRES 1 D 40 AS PST AS PST GS AS PST GS GS PST GS SC DC SEQRES 2 D 40 DA DC DG DC DG DC DA DC DC DT DC DA DT SEQRES 3 D 40 DC DT DC DC DT DA DA DA DT DA DG DA DC SEQRES 4 D 40 DA HET MG A 801 1 HET MG B 101 1 HET MG B 102 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 3(MG 2+) HELIX 1 AA1 THR A 16 ASN A 37 1 22 HELIX 2 AA2 THR A 42 GLY A 55 1 14 HELIX 3 AA3 VAL A 58 MET A 63 1 6 HELIX 4 AA4 PRO A 73 THR A 79 5 7 HELIX 5 AA5 HIS A 83 ASN A 99 1 17 HELIX 6 AA6 GLY A 111 ARG A 116 1 6 HELIX 7 AA7 GLY A 119 THR A 134 1 16 HELIX 8 AA8 THR A 149 ASN A 165 1 17 HELIX 9 AA9 LYS A 168 ASN A 181 1 14 HELIX 10 AB1 ASN A 186 ASN A 203 1 18 HELIX 11 AB2 ASN A 203 GLN A 218 1 16 HELIX 12 AB3 THR A 277 TYR A 287 1 11 HELIX 13 AB4 ASN A 347 LEU A 353 1 7 HELIX 14 AB5 HIS A 355 ASN A 360 1 6 HELIX 15 AB6 THR A 363 LYS A 375 1 13 HELIX 16 AB7 GLU A 383 PHE A 388 1 6 HELIX 17 AB8 ALA A 389 TYR A 391 5 3 HELIX 18 AB9 PHE A 397 GLU A 418 1 22 HELIX 19 AC1 ARG A 420 GLY A 459 1 40 HELIX 20 AC2 SER A 467 ASP A 472 5 6 HELIX 21 AC3 LYS A 473 PHE A 478 1 6 HELIX 22 AC4 THR A 483 GLN A 517 1 35 HELIX 23 AC5 THR A 541 TYR A 548 1 8 HELIX 24 AC6 SER A 562 ASN A 571 1 10 HELIX 25 AC7 THR A 590 LEU A 610 1 21 HELIX 26 AC8 SER A 614 ASN A 624 1 11 SHEET 1 AA1 4 LYS A 2 LYS A 8 0 SHEET 2 AA1 4 LEU A 300 GLU A 307 -1 O VAL A 302 N PHE A 7 SHEET 3 AA1 4 ASN A 290 ILE A 295 -1 N ILE A 294 O TYR A 301 SHEET 4 AA1 4 SER A 233 ILE A 237 -1 N LEU A 236 O ILE A 291 SHEET 1 AA2 3 LYS A 242 GLU A 245 0 SHEET 2 AA2 3 PHE A 252 LEU A 258 -1 O ILE A 253 N GLU A 244 SHEET 3 AA2 3 LYS A 261 LEU A 267 -1 O ILE A 265 N LEU A 254 SHEET 1 AA3 4 VAL A 376 PHE A 379 0 SHEET 2 AA3 4 PHE A 332 LYS A 337 -1 N THR A 334 O VAL A 377 SHEET 3 AA3 4 LYS A 319 VAL A 325 -1 N ASP A 324 O VAL A 333 SHEET 4 AA3 4 TYR A 520 GLU A 526 1 O ALA A 524 N VAL A 321 SHEET 1 AA4 2 TYR A 574 ILE A 577 0 SHEET 2 AA4 2 ASP A 586 TYR A 589 -1 O ASP A 586 N ILE A 577 LINK OD1 ASP A 499 MG MG A 801 1555 1555 2.10 LINK OP1 G B -30 MG MG A 801 1555 1555 1.98 LINK O4 U B -23 MG MG B 102 1555 1555 2.15 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 CONECT 4193 7188 CONECT 5372 7188 CONECT 5537 7190 CONECT 7188 4193 5372 CONECT 7190 5537 MASTER 312 0 3 26 13 0 0 6 7186 4 5 71 END