HEADER DNA BINDING PROTEIN 21-FEB-26 23VW TITLE CRYO-EM STRUCTURE OF THE TFCAS12M3-CRRNA-TGDNA TERNARY COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRISPR-ASSOCIATED DNA-BINDING PROTEIN CAS12M; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TFCAS12M3; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (35-MER); COMPND 8 CHAIN: D; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: DNA (39-MER); COMPND 12 CHAIN: C; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 4; COMPND 15 MOLECULE: RNA (59-MER); COMPND 16 CHAIN: B; COMPND 17 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMANAEROSCEPTRUM FRACTICALCIS; SOURCE 3 ORGANISM_TAXID: 1712410; SOURCE 4 GENE: CAS12M, BR63_03280; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: DNA MOLECULE; SOURCE 10 ORGANISM_TAXID: 2853804; SOURCE 11 MOL_ID: 3; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: DNA MOLECULE; SOURCE 14 ORGANISM_TAXID: 2853804; SOURCE 15 MOL_ID: 4; SOURCE 16 SYNTHETIC: YES; SOURCE 17 ORGANISM_SCIENTIFIC: THERMANAEROSCEPTRUM FRACTICALCIS; SOURCE 18 ORGANISM_TAXID: 1712410 KEYWDS DNA BINDING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR H.MORINAGA,S.N.OMURA,O.NUREKI REVDAT 1 02-SEP-26 23VW 0 JRNL AUTH H.MORINAGA,S.N.OMURA,L.ALFONSE,A.ORNSTEIN,T.A.KOBAYASHI, JRNL AUTH 2 K.ONISHI,K.S.MAKAROVA,S.A.SHMAKOV,G.MUNOZ,A.J.GARRITY, JRNL AUTH 3 T.DITOMMASO,E.V.KOONIN,Z.MABEN,O.NUREKI JRNL TITL INTACT RUVC CATALYTIC SITE AND BIPARTITE SSDNA KINKING ARE JRNL TITL 2 REQUIRED FOR CAS12M NUCLEASE ACTIVATION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.39 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : 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 : 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) : 2.390 REMARK 3 NUMBER OF PARTICLES : 449315 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 23VW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-FEB-26. REMARK 100 THE DEPOSITION ID IS D_1300070521. 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 : TFCAS12M3-CRRNA-TARGET DNA; REMARK 245 CRRNA-TARGET DNA; RNA; REMARK 245 TFCAS12M3; TARGET DNA 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 BIOQUANTUM (6K X REMARK 245 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, D, C, 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 -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 MET A 1 REMARK 465 GLU A 2 REMARK 465 THR A 3 REMARK 465 LYS A 86 REMARK 465 ARG A 87 REMARK 465 THR A 88 REMARK 465 GLY A 89 REMARK 465 LYS A 90 REMARK 465 VAL A 91 REMARK 465 ASP A 92 REMARK 465 GLU A 290 REMARK 465 ASN A 291 REMARK 465 THR A 292 REMARK 465 ASN A 293 REMARK 465 ARG A 294 REMARK 465 ILE A 295 REMARK 465 GLY A 475 REMARK 465 PRO A 476 REMARK 465 ALA A 477 REMARK 465 GLY A 564 REMARK 465 GLY A 565 REMARK 465 VAL A 566 REMARK 465 LYS A 567 REMARK 465 DT D 16 REMARK 465 DT D 17 REMARK 465 DT D 18 REMARK 465 DT D 19 REMARK 465 DT D 23 REMARK 465 DA D 24 REMARK 465 DT D 25 REMARK 465 DG D 26 REMARK 465 DC D 27 REMARK 465 DG D 28 REMARK 465 DC C -28 REMARK 465 DG C -27 REMARK 465 DC C -26 REMARK 465 DA C -25 REMARK 465 DT C -24 REMARK 465 DA C -23 REMARK 465 G B -38 REMARK 465 G B -37 REMARK 465 G B -36 REMARK 465 U B -35 REMARK 465 U B -34 REMARK 465 G B -33 REMARK 465 C B -32 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 ARG A 125 55.07 -117.97 REMARK 500 LYS A 242 18.08 58.78 REMARK 500 ALA A 298 58.86 -107.39 REMARK 500 TRP A 309 60.56 -151.36 REMARK 500 ALA A 383 -38.99 -38.15 REMARK 500 ASN A 384 48.74 -108.86 REMARK 500 ASN A 401 76.04 -113.56 REMARK 500 LYS A 452 -52.79 -120.72 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 601 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 306 OD1 REMARK 620 2 GLU A 459 OE1 84.7 REMARK 620 3 GLU A 459 OE2 134.4 50.7 REMARK 620 4 HOH A 706 O 86.8 89.1 84.0 REMARK 620 5 DT D 11 O3' 152.3 122.2 73.3 98.9 REMARK 620 6 DT D 12 OP1 91.5 175.8 133.3 92.6 61.3 REMARK 620 7 HOH D 102 O 94.7 89.8 94.0 178.0 80.4 88.6 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 602 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 306 OD2 REMARK 620 2 ASP A 550 OD1 90.7 REMARK 620 3 HOH A 701 O 87.8 89.0 REMARK 620 4 HOH A 708 O 93.0 90.9 179.2 REMARK 620 5 DT D 12 OP1 94.8 173.1 87.0 93.0 REMARK 620 6 HOH D 101 O 176.0 85.4 91.1 88.0 89.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 433 OE1 REMARK 620 2 HOH A 703 O 79.9 REMARK 620 3 G B -28 OP1 96.8 175.6 REMARK 620 4 C B -27 OP2 92.0 82.6 94.6 REMARK 620 5 HOH B 201 O 81.5 96.0 86.3 173.5 REMARK 620 6 HOH B 202 O 178.5 101.4 82.0 88.8 97.6 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 603 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 521 SG REMARK 620 2 CYS A 524 SG 109.9 REMARK 620 3 CYS A 540 SG 103.8 110.2 REMARK 620 4 CYS A 543 SG 116.1 111.6 104.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 102 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 702 O REMARK 620 2 HOH A 704 O 91.0 REMARK 620 3 HOH A 707 O 170.9 80.6 REMARK 620 4 C B -27 OP1 91.1 85.5 91.8 REMARK 620 5 HOH B 203 O 96.4 172.6 92.1 93.5 REMARK 620 6 HOH B 208 O 87.8 85.7 88.1 171.1 95.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 103 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G B -23 OP1 REMARK 620 2 C B -22 OP2 99.0 REMARK 620 3 HOH B 204 O 84.4 164.6 REMARK 620 4 HOH B 205 O 85.1 102.8 92.4 REMARK 620 5 HOH B 206 O 86.6 87.6 77.5 167.5 REMARK 620 6 HOH B 207 O 169.4 88.7 86.3 100.4 86.5 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-69299 RELATED DB: EMDB REMARK 900 CRYO-EM STRUCTURE OF THE TFCAS12M3-CRRNA-TGDNA TERNARY COMPLEX DBREF1 23VW A 1 567 UNP CS12M_THEFR DBREF2 23VW A A0A7G6E019 28 594 DBREF 23VW D -10 28 PDB 23VW 23VW -10 28 DBREF 23VW C -28 10 PDB 23VW 23VW -28 10 DBREF 23VW B -38 20 PDB 23VW 23VW -38 20 SEQADV 23VW MET A -9 UNP A0A7G6E01 INITIATING METHIONINE SEQADV 23VW GLY A -8 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -7 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -6 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -5 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -4 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -3 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW HIS A -2 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW GLY A -1 UNP A0A7G6E01 EXPRESSION TAG SEQADV 23VW GLY A 0 UNP A0A7G6E01 EXPRESSION TAG SEQRES 1 A 577 MET GLY HIS HIS HIS HIS HIS HIS GLY GLY MET GLU THR SEQRES 2 A 577 ALA ALA THR LYS ASN TYR LEU ALA LEU SER PHE GLY CYS SEQRES 3 A 577 LEU SER PRO THR ARG GLY GLU GLU TYR LEU LEU ASP GLN SEQRES 4 A 577 ILE LYS LYS LYS HIS ASP LEU TRP ASN LYS LEU VAL GLU SEQRES 5 A 577 LYS ASP ARG GLU HIS ARG GLU LYS VAL ARG GLN VAL MET SEQRES 6 A 577 VAL PHE GLU SER GLU THR THR LYS LYS ILE LYS GLU LEU SEQRES 7 A 577 GLU GLU GLU LEU ASN SER LEU ARG GLU GLU ILE LYS ASN SEQRES 8 A 577 GLN ARG LYS THR LYS ARG THR GLY LYS VAL ASP LEU THR SEQRES 9 A 577 ASP GLN LYS ALA ARG ILE GLU GLU ILE LYS PRO GLN LEU SEQRES 10 A 577 LYS GLN LEU LYS GLU LYS PHE LYS GLU GLU ARG SER PHE SEQRES 11 A 577 ILE PHE GLU ALA ARG LYS GLN GLU LEU ALA GLN LEU GLU SEQRES 12 A 577 LYS GLU ARG TRP ALA VAL VAL LYS GLU LEU GLY LYS GLY SEQRES 13 A 577 SER GLY LEU TYR TRP CYS ASN LEU GLU ASP VAL VAL ASN SEQRES 14 A 577 SER TYR ASP ILE GLY ARG LYS LYS ALA LYS ALA ALA GLY SEQRES 15 A 577 GLY GLU MET ARG PHE HIS ARG TRP ASP GLY THR GLY LYS SEQRES 16 A 577 VAL THR VAL ARG PHE GLN LYS GLY LEU PRO VAL ASN GLU SEQRES 17 A 577 MET PHE SER CYS THR ASN ASN LEU LEU GLN ILE ASP PRO SEQRES 18 A 577 VAL ASP LYS ASP ALA TRP TYR ASN PRO VAL ARG ALA ILE SEQRES 19 A 577 ARG ARG LYS LYS SER ARG THR ARG VAL ARG LEU ARG ALA SEQRES 20 A 577 CYS SER GLU ASN LYS LYS PRO LEU PHE ILE GLU LEU PRO SEQRES 21 A 577 VAL VAL LEU HIS ARG GLU ILE PRO GLU ASP ALA LEU ILE SEQRES 22 A 577 ARG THR ALA SER VAL ILE ARG GLU LYS VAL GLY MET ARG SEQRES 23 A 577 TYR ARG TYR LYS LEU ASN LEU VAL LEU GLU ILE LEU GLY SEQRES 24 A 577 GLU ASN THR ASN ARG ILE LEU PRO ALA LEU GLU GLY THR SEQRES 25 A 577 ALA ALA ILE ASP LEU GLY TRP ARG THR VAL LYS ASP GLY SEQRES 26 A 577 LEU ARG VAL ALA CYS LEU VAL ASP ASP LYS GLY HIS SER SEQRES 27 A 577 GLU GLU LEU ILE LEU ASP ASN ASP VAL LEU HIS GLU PHE SEQRES 28 A 577 ASN LYS ILE LYS ASP LEU GLN SER ILE ARG ASP ASN LEU SEQRES 29 A 577 PHE ASN GLU THR LYS ALA LYS LEU MET GLU LEU LEU LYS SEQRES 30 A 577 THR LEU GLU LEU PRO ASP GLU ALA LYS GLU ARG THR SER SEQRES 31 A 577 HIS MET ALA ASN TRP ARG SER GLN GLN LYS MET LEU ARG SEQRES 32 A 577 LEU HIS GLN TYR TRP ARG GLU ASN ARG LEU PRO GLY ASP SEQRES 33 A 577 ASP GLU VAL TRP GLU VAL LEU GLU TYR TRP ARG LYS ARG SEQRES 34 A 577 GLU ILE HIS LEU TYR GLU TRP GLN GLU ASN LEU ARG ASP SEQRES 35 A 577 GLN VAL LEU ARG ARG ARG LYS GLU ILE TYR ARG ILE PHE SEQRES 36 A 577 ALA ALA LYS ILE THR ARG LYS TYR LYS THR ILE VAL LEU SEQRES 37 A 577 GLU GLU PHE THR LEU ASN LYS THR VAL GLN LYS PRO ASN SEQRES 38 A 577 PRO GLU GLU GLY PRO ALA GLY THR LEU PRO ALA ASN ARG SEQRES 39 A 577 ASN ARG PHE ILE ALA ALA ILE SER GLU PHE ARG ASN GLU SEQRES 40 A 577 LEU ALA ASN ALA CYS ARG LYS ASN HIS VAL GLU PHE THR SEQRES 41 A 577 TYR VAL PRO ALA GLU ASN THR THR ILE THR CYS HIS LYS SEQRES 42 A 577 CYS GLY HIS LYS GLU LYS PHE ASP ALA ALA ALA GLN ILE SEQRES 43 A 577 ILE HIS THR CYS SER THR CYS GLY GLU LEU TRP ASP GLN SEQRES 44 A 577 ASP TYR ASN ALA ALA LYS ASN LEU LEU ALA PHE SER GLN SEQRES 45 A 577 LYS GLY GLY VAL LYS SEQRES 1 D 39 DG DC DA DC DT DT DG DC DC DG DT DT DT SEQRES 2 D 39 DT DT DT DT DT DT DT DT DT DT DT DT DT SEQRES 3 D 39 DT DT DT DT DA DC DG DT DA DT DG DC DG SEQRES 1 C 39 DC DG DC DA DT DA DC DG DT DG DT DG DA SEQRES 2 C 39 DA DG DC DG DC DA DG DC DT DA DA DT DT SEQRES 3 C 39 DT DA DC DC DG DG DC DA DA DG DT DG DC SEQRES 1 B 59 G G G U U G C A A U G C C SEQRES 2 B 59 U A G C U C A G A G G U U SEQRES 3 B 59 U A A A G A C U G A G A C SEQRES 4 B 59 G U A A A U U A G C U G C SEQRES 5 B 59 G C U U C A C HET MG A 601 1 HET MG A 602 1 HET ZN A 603 1 HET MG B 101 1 HET MG B 102 1 HET MG B 103 1 HETNAM MG MAGNESIUM ION HETNAM ZN ZINC ION FORMUL 5 MG 5(MG 2+) FORMUL 7 ZN ZN 2+ FORMUL 11 HOH *18(H2 O) HELIX 1 AA1 GLY A 22 MET A 55 1 34 HELIX 2 AA2 SER A 59 THR A 85 1 27 HELIX 3 AA3 THR A 94 ARG A 125 1 32 HELIX 4 AA4 LYS A 126 SER A 147 1 22 HELIX 5 AA5 TYR A 150 GLY A 172 1 23 HELIX 6 AA6 VAL A 196 SER A 201 1 6 HELIX 7 AA7 LYS A 214 ASN A 219 1 6 HELIX 8 AA8 VAL A 221 SER A 229 1 9 HELIX 9 AA9 ASN A 335 LEU A 366 1 32 HELIX 10 AB1 LYS A 367 LEU A 369 5 3 HELIX 11 AB2 GLU A 374 THR A 379 1 6 HELIX 12 AB3 GLN A 388 ASN A 401 1 14 HELIX 13 AB4 ASP A 406 THR A 450 1 45 HELIX 14 AB5 THR A 462 VAL A 467 5 6 HELIX 15 AB6 THR A 479 ALA A 490 1 12 HELIX 16 AB7 ALA A 490 HIS A 506 1 17 HELIX 17 AB8 GLN A 549 GLN A 562 1 14 SHEET 1 AA1 4 TYR A 9 GLY A 15 0 SHEET 2 AA1 4 ARG A 276 ILE A 287 -1 O LEU A 285 N LEU A 10 SHEET 3 AA1 4 ALA A 261 VAL A 273 -1 N ARG A 264 O VAL A 284 SHEET 4 AA1 4 GLY A 184 PRO A 195 -1 N GLY A 184 O ARG A 270 SHEET 1 AA2 3 LEU A 207 ILE A 209 0 SHEET 2 AA2 3 ARG A 230 GLU A 240 -1 O ARG A 234 N GLN A 208 SHEET 3 AA2 3 LYS A 243 VAL A 252 -1 O VAL A 251 N THR A 231 SHEET 1 AA3 5 SER A 328 ASP A 334 0 SHEET 2 AA3 5 GLY A 315 ASP A 323 -1 N LEU A 321 O GLU A 329 SHEET 3 AA3 5 THR A 302 VAL A 312 -1 N ARG A 310 O ARG A 317 SHEET 4 AA3 5 THR A 455 GLU A 459 1 O VAL A 457 N ALA A 303 SHEET 5 AA3 5 GLU A 508 VAL A 512 1 O GLU A 508 N ILE A 456 SHEET 1 AA4 2 ILE A 537 THR A 539 0 SHEET 2 AA4 2 LEU A 546 ASP A 548 -1 O TRP A 547 N HIS A 538 LINK OD1 ASP A 306 MG MG A 601 1555 1555 2.14 LINK OD2 ASP A 306 MG MG A 602 1555 1555 1.97 LINK OE1 GLN A 433 MG MG B 101 1555 1555 2.01 LINK OE1 GLU A 459 MG MG A 601 1555 1555 2.17 LINK OE2 GLU A 459 MG MG A 601 1555 1555 2.79 LINK SG CYS A 521 ZN ZN A 603 1555 1555 2.31 LINK SG CYS A 524 ZN ZN A 603 1555 1555 2.26 LINK SG CYS A 540 ZN ZN A 603 1555 1555 2.34 LINK SG CYS A 543 ZN ZN A 603 1555 1555 2.26 LINK OD1 ASP A 550 MG MG A 602 1555 1555 2.02 LINK MG MG A 601 O HOH A 706 1555 1555 2.09 LINK MG MG A 601 O3' DT D 11 1555 1555 2.51 LINK MG MG A 601 OP1 DT D 12 1555 1555 2.31 LINK MG MG A 601 O HOH D 102 1555 1555 2.01 LINK MG MG A 602 O HOH A 701 1555 1555 2.13 LINK MG MG A 602 O HOH A 708 1555 1555 2.03 LINK MG MG A 602 OP1 DT D 12 1555 1555 2.23 LINK MG MG A 602 O HOH D 101 1555 1555 2.08 LINK O HOH A 702 MG MG B 102 1555 1555 2.01 LINK O HOH A 703 MG MG B 101 1555 1555 2.01 LINK O HOH A 704 MG MG B 102 1555 1555 2.24 LINK O HOH A 707 MG MG B 102 1555 1555 2.00 LINK OP1 G B -28 MG MG B 101 1555 1555 2.00 LINK OP2 C B -27 MG MG B 101 1555 1555 1.98 LINK OP1 C B -27 MG MG B 102 1555 1555 2.00 LINK OP1 G B -23 MG MG B 103 1555 1555 1.99 LINK OP2 C B -22 MG MG B 103 1555 1555 1.99 LINK MG MG B 101 O HOH B 201 1555 1555 2.15 LINK MG MG B 101 O HOH B 202 1555 1555 1.99 LINK MG MG B 102 O HOH B 203 1555 1555 2.01 LINK MG MG B 102 O HOH B 208 1555 1555 1.99 LINK MG MG B 103 O HOH B 204 1555 1555 2.00 LINK MG MG B 103 O HOH B 205 1555 1555 1.99 LINK MG MG B 103 O HOH B 206 1555 1555 2.00 LINK MG MG B 103 O HOH B 207 1555 1555 1.98 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 2387 6888 CONECT 2388 6889 CONECT 3481 6891 CONECT 3711 6888 CONECT 3712 6888 CONECT 4183 6890 CONECT 4208 6890 CONECT 4331 6890 CONECT 4350 6890 CONECT 4409 6889 CONECT 4943 6888 CONECT 4956 6888 6889 CONECT 5844 6891 CONECT 5867 6892 CONECT 5868 6891 CONECT 5949 6893 CONECT 5973 6893 CONECT 6888 2387 3711 3712 4943 CONECT 6888 4956 6899 6903 CONECT 6889 2388 4409 4956 6894 CONECT 6889 6901 6902 CONECT 6890 4183 4208 4331 4350 CONECT 6891 3481 5844 5868 6896 CONECT 6891 6904 6905 CONECT 6892 5867 6895 6897 6900 CONECT 6892 6906 6911 CONECT 6893 5949 5973 6907 6908 CONECT 6893 6909 6910 CONECT 6894 6889 CONECT 6895 6892 CONECT 6896 6891 CONECT 6897 6892 CONECT 6899 6888 CONECT 6900 6892 CONECT 6901 6889 CONECT 6902 6889 CONECT 6903 6888 CONECT 6904 6891 CONECT 6905 6891 CONECT 6906 6892 CONECT 6907 6893 CONECT 6908 6893 CONECT 6909 6893 CONECT 6910 6893 CONECT 6911 6892 MASTER 259 0 6 17 14 0 0 6 6907 4 45 56 END