HEADER DNA BINDING PROTEIN 14-JAN-25 9LIR TITLE CRYOEM STRUCTURES UNCOVER THE UNEXPECTED HINGES OF ISCB FOR ENHANCED TITLE 2 GENE EDITING COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (194-MER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: DNA (27-MER); COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: DNA (26-MER); COMPND 11 CHAIN: C; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: ISCB+TWIN-STREP-TAG; COMPND 15 CHAIN: D; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 8 ORGANISM_TAXID: 32630; SOURCE 9 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 10 EXPRESSION_SYSTEM_TAXID: 32630; SOURCE 11 MOL_ID: 3; SOURCE 12 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 13 ORGANISM_TAXID: 32630; SOURCE 14 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 32630; SOURCE 16 MOL_ID: 4; SOURCE 17 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 18 ORGANISM_TAXID: 32630; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ISCB, TARGET DNA, HNH, DNA BINDING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR C.Y.HU,F.Z.WANG,S.S.MA,S.F.ZHANG REVDAT 1 21-JAN-26 9LIR 0 JRNL AUTH C.Y.HU,F.Z.WANG,S.S.MA,S.F.ZHANG JRNL TITL CRYOEM STRUCTURES UNCOVER THE UNEXPECTED HINGES OF ISCB FOR JRNL TITL 2 ENHANCED GENE EDITING JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 3.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : CRYOSPARC, PHENIX, 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) : 3.100 REMARK 3 NUMBER OF PARTICLES : 36751 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 9LIR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-JAN-25. REMARK 100 THE DEPOSITION ID IS D_1300055242. 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 : THE TERNARY COMPLEX FORMED BY REMARK 245 ISCB, WRNA, AND 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 : 7.50 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) : 1000.00 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 : DIFFRACTION REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 4934.00 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: 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 VAL D 495 REMARK 465 LYS D 496 REMARK 465 ASN D 497 REMARK 465 LYS D 498 REMARK 465 GLY D 499 REMARK 465 GLY D 500 REMARK 465 SER D 501 REMARK 465 GLY D 502 REMARK 465 LYS D 503 REMARK 465 ARG D 504 REMARK 465 PRO D 505 REMARK 465 ALA D 506 REMARK 465 ALA D 507 REMARK 465 THR D 508 REMARK 465 LYS D 509 REMARK 465 LYS D 510 REMARK 465 ALA D 511 REMARK 465 GLY D 512 REMARK 465 GLN D 513 REMARK 465 ALA D 514 REMARK 465 LYS D 515 REMARK 465 LYS D 516 REMARK 465 LYS D 517 REMARK 465 LYS D 518 REMARK 465 GLY D 519 REMARK 465 TRP D 520 REMARK 465 SER D 521 REMARK 465 HIS D 522 REMARK 465 PRO D 523 REMARK 465 GLN D 524 REMARK 465 PHE D 525 REMARK 465 GLU D 526 REMARK 465 LYS D 527 REMARK 465 GLY D 528 REMARK 465 GLY D 529 REMARK 465 GLY D 530 REMARK 465 SER D 531 REMARK 465 GLY D 532 REMARK 465 GLY D 533 REMARK 465 GLY D 534 REMARK 465 SER D 535 REMARK 465 GLY D 536 REMARK 465 GLY D 537 REMARK 465 SER D 538 REMARK 465 ALA D 539 REMARK 465 TRP D 540 REMARK 465 SER D 541 REMARK 465 HIS D 542 REMARK 465 PRO D 543 REMARK 465 GLN D 544 REMARK 465 PHE D 545 REMARK 465 GLU D 546 REMARK 465 LYS D 547 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 SG CYS D 265 ND1 HIS D 268 1.97 REMARK 500 REMARK 500 REMARK: NULL 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 U A 29 C3' - O3' - P ANGL. DEV. = 7.2 DEGREES REMARK 500 G A 30 O4' - C1' - N9 ANGL. DEV. = 4.8 DEGREES REMARK 500 U A 94 N1 - C2 - O2 ANGL. DEV. = 6.6 DEGREES REMARK 500 U A 94 N3 - C2 - O2 ANGL. DEV. = -6.2 DEGREES REMARK 500 U A 94 C2 - N1 - C1' ANGL. DEV. = 10.7 DEGREES REMARK 500 G A 136 N3 - C4 - C5 ANGL. DEV. = -3.1 DEGREES REMARK 500 G A 136 N3 - C4 - N9 ANGL. DEV. = 3.7 DEGREES REMARK 500 DA B 8 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DG B 12 O4' - C1' - N9 ANGL. DEV. = 2.0 DEGREES REMARK 500 DT B 14 O4' - C1' - N1 ANGL. DEV. = 2.1 DEGREES REMARK 500 DT B 27 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 LEU D 170 CA - CB - CG ANGL. DEV. = 16.0 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 CYS D 20 -68.11 71.78 REMARK 500 ARG D 63 -154.15 -147.52 REMARK 500 ASN D 65 34.81 -94.88 REMARK 500 SER D 144 -8.85 73.29 REMARK 500 ASN D 153 -161.92 -79.18 REMARK 500 MET D 201 -6.07 66.41 REMARK 500 LEU D 296 47.96 -93.74 REMARK 500 SER D 297 -34.88 -132.64 REMARK 500 TYR D 305 45.67 -91.50 REMARK 500 ASP D 338 -13.76 -140.93 REMARK 500 HIS D 339 -1.47 67.49 REMARK 500 LYS D 355 -7.77 73.04 REMARK 500 LYS D 427 45.38 -140.28 REMARK 500 GLN D 432 40.91 -103.02 REMARK 500 MET D 436 46.97 -93.24 REMARK 500 LEU D 445 12.87 57.12 REMARK 500 VAL D 446 20.29 47.41 REMARK 500 ASN D 467 -159.33 -139.01 REMARK 500 ARG D 480 -65.79 71.83 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TYR D 305 LEU D 306 141.23 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 D 601 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG B 19 O3' REMARK 620 2 HIS D 245 ND1 150.2 REMARK 620 3 HIS D 269 NE2 102.1 69.6 REMARK 620 4 HIS D 273 NE2 120.4 89.0 108.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG C 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DC C 21 O3' REMARK 620 2 DC C 22 OP2 59.6 REMARK 620 3 ASP D 60 OD2 114.9 88.7 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN D 602 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS D 234 SG REMARK 620 2 CYS D 237 SG 106.7 REMARK 620 3 CYS D 265 SG 117.5 115.1 REMARK 620 4 HIS D 268 ND1 168.9 83.6 52.8 REMARK 620 N 1 2 3 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-63121 RELATED DB: EMDB REMARK 900 CRYOEM STRUCTURES UNCOVER THE UNEXPECTED HINGES OF ISCB FOR REMARK 900 ENHANCED GENE EDITING DBREF 9LIR A 1 194 PDB 9LIR 9LIR 1 194 DBREF 9LIR B 6 32 PDB 9LIR 9LIR 6 32 DBREF 9LIR C 12 37 PDB 9LIR 9LIR 12 37 DBREF 9LIR D 1 547 PDB 9LIR 9LIR 1 547 SEQRES 1 A 194 U C U A U A U C A U G G C SEQRES 2 A 194 C G A G G C U C U U C C A SEQRES 3 A 194 A C U G C G G G U U G A A SEQRES 4 A 194 A G A G C A C A G G C U G SEQRES 5 A 194 A G A C A U U C G U A A G SEQRES 6 A 194 G C C G A A A G G C C G G SEQRES 7 A 194 A C G C A C C C U G G G A SEQRES 8 A 194 U U U C C C C A G U C C C SEQRES 9 A 194 C G G A A C U G C A U A G SEQRES 10 A 194 C G G A U G C C A G U U G SEQRES 11 A 194 A U G G A G C A A U C U A SEQRES 12 A 194 U C A G A U A A G C C A G SEQRES 13 A 194 G G G G A A C A A U C A C SEQRES 14 A 194 C U C U C U G U A U C A G SEQRES 15 A 194 A G A G A G U U U U A C SEQRES 1 B 27 DC DT DA DG DG DT DG DG DT DT DG DT DC SEQRES 2 B 27 DG DG DC DC DA DT DG DA DT DA DT DA DG SEQRES 3 B 27 DA SEQRES 1 C 26 DG DA DT DA DT DA DG DT DA DC DC DG DG SEQRES 2 C 26 DC DT DC DA DA DC DC DA DC DC DT DA DC SEQRES 1 D 547 MET ALA VAL VAL TYR VAL ILE SER LYS SER GLY LYS PRO SEQRES 2 D 547 LEU MET PRO THR THR ARG CYS GLY HIS VAL ARG ILE LEU SEQRES 3 D 547 LEU LYS GLU GLY LYS ALA ARG VAL VAL GLU ARG LYS PRO SEQRES 4 D 547 PHE THR ILE GLN LEU THR TYR GLU SER ALA GLU GLU THR SEQRES 5 D 547 GLN PRO LEU VAL LEU GLY ILE ASP PRO GLY ARG THR ASN SEQRES 6 D 547 ILE GLY MET SER VAL VAL THR GLU SER GLY GLU SER VAL SEQRES 7 D 547 PHE ASN ALA GLN ILE ARG THR ARG ASN LYS ASP VAL PRO SEQRES 8 D 547 LYS LEU MET LYS ASP ARG LYS GLN TYR ARG MET ALA HIS SEQRES 9 D 547 ARG ARG LEU LYS ARG ARG CYS LYS ARG ARG ARG ARG ALA SEQRES 10 D 547 LYS ALA ALA GLY THR ALA PHE GLU GLU GLY GLU LYS GLN SEQRES 11 D 547 ARG LEU LEU PRO GLY CYS PHE LYS PRO ILE THR CYS LYS SEQRES 12 D 547 SER ILE ARG ASN LYS GLU ALA ARG PHE ASN ASN ARG LYS SEQRES 13 D 547 ARG PRO VAL GLY TRP LEU THR PRO THR ALA ASN HIS LEU SEQRES 14 D 547 LEU VAL THR HIS LEU ASN VAL VAL LYS LYS VAL GLN LYS SEQRES 15 D 547 ILE LEU PRO VAL ALA LYS VAL VAL LEU GLU LEU ASN ARG SEQRES 16 D 547 PHE SER PHE MET ALA MET ASN ASN PRO LYS VAL GLN ARG SEQRES 17 D 547 TRP GLN TYR GLN ARG GLY PRO LEU TYR GLY LYS GLY SER SEQRES 18 D 547 VAL GLU GLU ALA VAL SER MET GLN GLN ASP GLY HIS CYS SEQRES 19 D 547 LEU PHE CYS LYS HIS GLY ILE ASP HIS TYR HIS HIS VAL SEQRES 20 D 547 VAL PRO ARG ARG LYS ASN GLY SER GLU THR LEU GLU ASN SEQRES 21 D 547 ARG VAL GLY LEU CYS GLU GLU HIS HIS ARG LEU VAL HIS SEQRES 22 D 547 THR ASP LYS GLU TRP GLU ALA ASN LEU ALA SER LYS LYS SEQRES 23 D 547 SER GLY MET ASN LYS LYS TYR HIS ALA LEU SER VAL LEU SEQRES 24 D 547 ASN GLN ILE ILE PRO TYR LEU ALA ASP GLN LEU ALA ASP SEQRES 25 D 547 MET PHE PRO GLY ASN PHE CYS VAL THR SER GLY GLN ASP SEQRES 26 D 547 THR TYR LEU PHE ARG GLU GLU HIS GLY ILE PRO LYS ASP SEQRES 27 D 547 HIS TYR LEU ASP ALA TYR CYS ILE ALA CYS SER ALA LEU SEQRES 28 D 547 THR ASP ALA LYS LYS VAL SER SER PRO LYS GLY ARG PRO SEQRES 29 D 547 TYR MET VAL ARG GLN PHE ARG ARG HIS ASP ARG GLN ALA SEQRES 30 D 547 CYS HIS LYS ALA ASN LEU ASN ARG ARG TYR TYR MET GLY SEQRES 31 D 547 GLY LYS LEU VAL ALA THR ASN ARG HIS LYS ALA MET ASP SEQRES 32 D 547 GLN LYS THR ASP SER LEU GLU GLU TYR ARG ALA ALA HIS SEQRES 33 D 547 SER ALA ALA ASP VAL SER LYS LEU THR VAL LYS HIS PRO SEQRES 34 D 547 SER ALA GLN TYR LYS ASP MET SER ARG ILE MET PRO GLY SEQRES 35 D 547 SER ILE LEU VAL SER GLY GLU GLY LYS LEU PHE THR LEU SEQRES 36 D 547 ARG ARG SER GLU GLY ARG ASN LYS GLY GLN VAL ASN TYR SEQRES 37 D 547 PHE VAL SER THR GLU GLY ILE LYS TYR TRP ALA ARG LYS SEQRES 38 D 547 CYS GLN TYR LEU ARG ASN ASN GLY GLY LEU GLN ILE TYR SEQRES 39 D 547 VAL LYS ASN LYS GLY GLY SER GLY LYS ARG PRO ALA ALA SEQRES 40 D 547 THR LYS LYS ALA GLY GLN ALA LYS LYS LYS LYS GLY TRP SEQRES 41 D 547 SER HIS PRO GLN PHE GLU LYS GLY GLY GLY SER GLY GLY SEQRES 42 D 547 GLY SER GLY GLY SER ALA TRP SER HIS PRO GLN PHE GLU SEQRES 43 D 547 LYS HET MG C 101 1 HET MG D 601 1 HET ZN D 602 1 HETNAM MG MAGNESIUM ION HETNAM ZN ZINC ION FORMUL 5 MG 2(MG 2+) FORMUL 7 ZN ZN 2+ HELIX 1 AA1 CYS D 20 LEU D 26 1 7 HELIX 2 AA2 LEU D 27 GLU D 29 5 3 HELIX 3 AA3 THR D 85 ASN D 87 5 3 HELIX 4 AA4 LYS D 88 ARG D 109 1 22 HELIX 5 AA5 ARG D 109 GLY D 121 1 13 HELIX 6 AA6 THR D 163 LEU D 184 1 22 HELIX 7 AA7 GLN D 207 GLN D 212 5 6 HELIX 8 AA8 SER D 221 GLN D 230 1 10 HELIX 9 AA9 CYS D 265 ASP D 275 1 11 HELIX 10 AB1 TRP D 278 SER D 284 1 7 HELIX 11 AB2 SER D 297 ILE D 303 1 7 HELIX 12 AB3 ILE D 303 PHE D 314 1 12 HELIX 13 AB4 GLY D 323 HIS D 333 1 11 HELIX 14 AB5 ASP D 342 ALA D 347 1 6 HELIX 15 AB6 SER D 408 ARG D 413 1 6 HELIX 16 AB7 SER D 417 SER D 422 1 6 HELIX 17 AB8 ILE D 444 GLU D 449 5 6 SHEET 1 AA1 2 VAL D 6 ILE D 7 0 SHEET 2 AA1 2 PRO D 13 LEU D 14 -1 O LEU D 14 N VAL D 6 SHEET 1 AA2 3 GLY D 58 ASP D 60 0 SHEET 2 AA2 3 GLY D 67 SER D 69 -1 O SER D 69 N GLY D 58 SHEET 3 AA2 3 ASN D 80 GLN D 82 -1 O ALA D 81 N MET D 68 SHEET 1 AA3 2 LYS D 129 ARG D 131 0 SHEET 2 AA3 2 ILE D 140 CYS D 142 -1 O CYS D 142 N LYS D 129 SHEET 1 AA4 2 VAL D 189 VAL D 190 0 SHEET 2 AA4 2 PHE D 318 CYS D 319 1 O CYS D 319 N VAL D 189 SHEET 1 AA5 2 HIS D 243 HIS D 246 0 SHEET 2 AA5 2 ARG D 261 LEU D 264 -1 O LEU D 264 N HIS D 243 SHEET 1 AA6 2 PHE D 469 VAL D 470 0 SHEET 2 AA6 2 LYS D 476 TYR D 477 -1 O TYR D 477 N PHE D 469 SSBOND 1 CYS D 345 CYS D 348 1555 1555 2.04 LINK O3' DG B 19 MG MG D 601 1555 1555 2.56 LINK O3' DC C 21 MG MG C 101 1555 1555 2.78 LINK OP2 DC C 22 MG MG C 101 1555 1555 2.07 LINK MG MG C 101 OD2 ASP D 60 1555 1555 2.09 LINK SG CYS D 234 ZN ZN D 602 1555 1555 2.32 LINK SG CYS D 237 ZN ZN D 602 1555 1555 2.31 LINK ND1 HIS D 245 MG MG D 601 1555 1555 2.97 LINK SG CYS D 265 ZN ZN D 602 1555 1555 2.34 LINK ND1 HIS D 268 ZN ZN D 602 1555 1555 2.06 LINK NE2 HIS D 269 MG MG D 601 1555 1555 2.21 LINK NE2 HIS D 273 MG MG D 601 1555 1555 2.31 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 TER 4142 C A 194 TER 4703 DA B 32 TER 5231 DC C 37 TER 9209 TYR D 494 HETATM 9210 MG MG C 101 101.098 112.190 135.609 1.00 36.22 MG HETATM 9211 MG MG D 601 84.633 105.103 104.261 1.00 27.00 MG HETATM 9212 ZN ZN D 602 74.471 98.295 101.826 1.00 78.80 ZN CONECT 4420 9211 CONECT 4900 9210 CONECT 4913 9210 CONECT 5699 9210 CONECT 7109 9212 CONECT 7134 9212 CONECT 7202 9211 CONECT 7362 9212 CONECT 7387 9212 CONECT 7400 9211 CONECT 7436 9211 CONECT 8015 8034 CONECT 8034 8015 CONECT 9210 4900 4913 5699 CONECT 9211 4420 7202 7400 7436 CONECT 9212 7109 7134 7362 7387 MASTER 279 0 3 17 13 0 0 6 9208 4 16 63 END