HEADER BIOSYNTHETIC PROTEIN 19-OCT-23 8QWE TITLE TERNARY COMPLEX OF RECHB - CRRNA - TARGET DSDNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: RECHB; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALPHA-SYNTHETIC CAS; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CRRNA; COMPND 8 CHAIN: C; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: TARGET DNA; COMPND 12 CHAIN: T; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 4; COMPND 15 MOLECULE: NON TARGET DNA; COMPND 16 CHAIN: N; COMPND 17 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PET-28A(+); SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 9 ORGANISM_TAXID: 32630; SOURCE 10 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 11 EXPRESSION_SYSTEM_TAXID: 32630; SOURCE 12 MOL_ID: 3; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630; SOURCE 15 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 32630; SOURCE 17 MOL_ID: 4; SOURCE 18 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 19 ORGANISM_TAXID: 32630; SOURCE 20 EXPRESSION_SYSTEM: SYNTHETIC CONSTRUCT; SOURCE 21 EXPRESSION_SYSTEM_TAXID: 32630 KEYWDS CAS, BIOSYNTHETIC PROTEIN, CRYO-EM, ANCESTRAL SEQUENCE KEYWDS 2 RECONSTRUCTION, BIOTECHNOLOGY, DNA, RNA EXPDTA ELECTRON MICROSCOPY AUTHOR J.P.LOPEZ-ALONSO,I.UBARRETXENA-BELANDIA,I.TASCON REVDAT 1 02-OCT-24 8QWE 0 JRNL AUTH Y.JABALERA,I.TASCON,S.SAMPERIO,J.P.LOPEZ-ALONSO, JRNL AUTH 2 M.GONZALEZ-LOPEZ,A.M.ARANSAY,G.ABASCAL-PALACIOS,C.L.BEISEL, JRNL AUTH 3 I.UBARRETXENA-BELANDIA,R.JIMENEZ-PEREZ JRNL TITL A RESURRECTED ANCESTOR OF CAS12A EXPANDS TARGET ACCESS AND JRNL TITL 2 SUBSTRATE 2 RECOGNITION FOR NUCLEIC-ACID EDITING AND JRNL TITL 3 DETECTION JRNL REF NATURE BIOTECHNOLOGY 2024 REMARK 2 REMARK 2 RESOLUTION. 3.14 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 SOFTWARE PACKAGES : TOPAZ, EPU, CRYOSPARC, COOT, CRYOSPARC, REMARK 3 CRYOSPARC, CRYOSPARC, CRYOSPARC, 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 : REAL REMARK 3 REFINEMENT PROTOCOL : FLEXIBLE FIT 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) : 3.140 REMARK 3 NUMBER OF PARTICLES : 137913 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 8QWE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-OCT-23. REMARK 100 THE DEPOSITION ID IS D_1292133890. 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 : TERNARY COMPLEX OF RECHB - REMARK 245 CRRNA - TARGET DSDNA REMARK 245 SAMPLE CONCENTRATION (MG ML-1) : 2.50 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 : 17896 REMARK 245 TEMPERATURE (KELVIN) : NULL REMARK 245 MICROSCOPE MODEL : FEI TITAN KRIOS REMARK 245 DETECTOR TYPE : GATAN K3 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 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 : 2.70 REMARK 245 IMAGING MODE : BRIGHT FIELD REMARK 245 ELECTRON DOSE (ELECTRONS NM**-2) : 5020.00 REMARK 245 ILLUMINATION MODE : FLOOD BEAM REMARK 245 NOMINAL MAGNIFICATION : 105000 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, C, T, N 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 LEU A 217 REMARK 465 LYS A 218 REMARK 465 ASP A 219 REMARK 465 LEU A 220 REMARK 465 GLY A 221 REMARK 465 GLU A 222 REMARK 465 GLU A 223 REMARK 465 GLU A 224 REMARK 465 VAL A 225 REMARK 465 LEU A 226 REMARK 465 GLY A 227 REMARK 465 GLY A 228 REMARK 465 ASN A 229 REMARK 465 LYS A 259 REMARK 465 THR A 260 REMARK 465 GLU A 261 REMARK 465 GLU A 262 REMARK 465 ASP A 263 REMARK 465 GLY A 264 REMARK 465 ASN A 265 REMARK 465 LYS A 266 REMARK 465 LYS A 267 REMARK 465 ARG A 303 REMARK 465 GLU A 304 REMARK 465 SER A 305 REMARK 465 LEU A 306 REMARK 465 SER A 307 REMARK 465 PHE A 308 REMARK 465 ILE A 309 REMARK 465 PRO A 310 REMARK 465 GLU A 311 REMARK 465 ALA A 312 REMARK 465 THR A 393 REMARK 465 TYR A 394 REMARK 465 PRO A 395 REMARK 465 LYS A 396 REMARK 465 LYS A 397 REMARK 465 LYS A 398 REMARK 465 LYS A 399 REMARK 465 LYS A 400 REMARK 465 LYS A 401 REMARK 465 SER A 402 REMARK 465 LYS A 403 REMARK 465 GLU A 404 REMARK 465 LYS A 405 REMARK 465 LEU A 406 REMARK 465 GLU A 407 REMARK 465 GLU A 408 REMARK 465 LYS A 409 REMARK 465 ARG A 410 REMARK 465 GLU A 411 REMARK 465 THR A 465 REMARK 465 ASP A 466 REMARK 465 LEU A 467 REMARK 465 ILE A 468 REMARK 465 GLU A 469 REMARK 465 ASN A 470 REMARK 465 ILE A 471 REMARK 465 LYS A 472 REMARK 465 SER A 473 REMARK 465 LYS A 474 REMARK 465 TYR A 475 REMARK 465 GLN A 476 REMARK 465 TYR A 477 REMARK 465 PRO A 478 REMARK 465 ASN A 479 REMARK 465 ASP A 480 REMARK 465 LYS A 481 REMARK 465 LYS A 482 REMARK 465 LEU A 483 REMARK 465 ALA A 484 REMARK 465 GLN A 485 REMARK 465 ASP A 486 REMARK 465 LYS A 487 REMARK 465 GLU A 488 REMARK 465 PHE A 489 REMARK 465 C C 15 REMARK 465 C C 16 REMARK 465 C C 17 REMARK 465 A C 18 REMARK 465 A C 19 REMARK 465 U C 20 REMARK 465 DC T -27 REMARK 465 DC T -26 REMARK 465 DC T -25 REMARK 465 DT T -24 REMARK 465 DC T -23 REMARK 465 DC T -22 REMARK 465 DC T -21 REMARK 465 DA T -20 REMARK 465 DT T -19 REMARK 465 DT T -18 REMARK 465 DC N 14 REMARK 465 DC N 15 REMARK 465 DC N 16 REMARK 465 DC N 17 REMARK 465 DA N 18 REMARK 465 DA N 19 REMARK 465 DT N 20 REMARK 465 DG N 21 REMARK 465 DG N 22 REMARK 465 DG N 23 REMARK 465 DA N 24 REMARK 465 DG N 25 REMARK 465 DG N 26 REMARK 465 DG N 27 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 O ARG A 552 OG1 THR A 556 2.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 815 CG PRO A 815 CD -0.514 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 PRO A 815 N - CA - CB ANGL. DEV. = -10.6 DEGREES REMARK 500 PRO A 815 CA - CB - CG ANGL. DEV. = -31.2 DEGREES REMARK 500 PRO A 815 N - CD - CG ANGL. DEV. = -30.9 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 LYS A 87 173.36 66.51 REMARK 500 LYS A 89 -123.85 56.42 REMARK 500 THR A 143 -121.86 31.47 REMARK 500 PHE A 154 31.82 -98.85 REMARK 500 TYR A 172 57.11 -92.22 REMARK 500 PRO A 290 -9.22 -53.91 REMARK 500 PHE A 332 -137.55 60.97 REMARK 500 GLU A 337 164.87 68.18 REMARK 500 LEU A 414 15.56 53.78 REMARK 500 CYS A 433 -5.36 72.94 REMARK 500 ASP A 437 -176.43 -170.07 REMARK 500 GLU A 444 -124.61 55.55 REMARK 500 LYS A 516 -155.38 47.31 REMARK 500 ALA A 522 -128.59 60.30 REMARK 500 THR A 562 53.63 -91.54 REMARK 500 LEU A 575 15.64 59.62 REMARK 500 PRO A 870 44.53 -85.64 REMARK 500 HIS A 909 -169.29 -125.43 REMARK 500 GLU A 936 -98.31 60.75 REMARK 500 ASN A 937 -119.31 59.74 REMARK 500 ILE A 938 -56.18 60.35 REMARK 500 LEU A 969 53.08 -90.93 REMARK 500 TYR A1060 -168.00 -78.80 REMARK 500 LYS A1082 -4.44 73.51 REMARK 500 ASP A1083 -3.29 73.21 REMARK 500 ARG A1116 -169.23 -163.17 REMARK 500 ASP A1119 -137.42 64.23 REMARK 500 ASN A1121 -3.14 71.25 REMARK 500 GLU A1154 50.86 -91.52 REMARK 500 GLN A1159 -170.16 58.23 REMARK 500 ASP A1160 167.50 62.32 REMARK 500 GLU A1197 25.59 49.19 REMARK 500 GLU A1209 -0.08 67.46 REMARK 500 LYS A1241 -4.50 73.66 REMARK 500 ARG A1259 -108.17 37.40 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 A1403 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 573 OG1 REMARK 620 2 DA N -4 OP2 166.8 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A1401 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LYS A 761 O REMARK 620 2 A C -3 OP2 72.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A1404 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 878 OD1 REMARK 620 2 ASP A 878 OD2 58.3 REMARK 620 N 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-18691 RELATED DB: EMDB REMARK 900 APO PROTEIN REMARK 900 RELATED ID: EMD-18692 RELATED DB: EMDB REMARK 900 APO PROTEIN REMARK 900 RELATED ID: EMD-18694 RELATED DB: EMDB REMARK 900 QUATERNARY COMPLEX WITH CRRNA, TARGET DSDNA & COLLATERAL DSDNA REMARK 900 RELATED ID: EMD-18693 RELATED DB: EMDB REMARK 900 TERNARY COMPLEX OF ALPHA-SYNTHETIC CAS - CRRNA - TARGET DSDNA DBREF 8QWE A 1 1261 PDB 8QWE 8QWE 1 1261 DBREF 8QWE C -19 20 PDB 8QWE 8QWE -19 20 DBREF 8QWE T -27 11 PDB 8QWE 8QWE -27 11 DBREF 8QWE N -11 27 PDB 8QWE 8QWE -11 27 SEQRES 1 A 1261 GLY PRO LYS MET PHE SER ASN PHE THR ASN GLN TYR PRO SEQRES 2 A 1261 LEU SER LYS THR LEU ARG PHE GLU LEU LYS PRO VAL GLY SEQRES 3 A 1261 LYS THR LEU GLU HIS ILE GLU LYS LYS GLY LEU LEU GLU SEQRES 4 A 1261 GLN ASP GLU LYS ARG ALA GLU ASP TYR LYS LYS VAL LYS SEQRES 5 A 1261 LYS ILE ILE ASP GLU TYR HIS LYS ASP PHE ILE GLU GLU SEQRES 6 A 1261 ALA LEU ASN ASN VAL LYS LEU ASN GLY GLU GLY LEU GLU SEQRES 7 A 1261 GLU TYR TYR GLU LEU TYR PHE LYS LYS ASN LYS ASP ASP SEQRES 8 A 1261 LYS ASP LYS LYS LYS LYS GLU PHE GLU LYS ILE GLN ASP SEQRES 9 A 1261 ASN LEU ARG LYS GLN ILE VAL GLU ALA PHE LYS ASN HIS SEQRES 10 A 1261 GLU LYS TYR LYS ASN LEU PHE LYS LYS GLU LEU ILE LYS SEQRES 11 A 1261 GLU ASP LEU PRO ASN TRP LEU LYS ASN SER GLU ASP THR SEQRES 12 A 1261 GLY GLU GLU ASP LYS GLU THR VAL GLU LYS PHE LYS ASN SEQRES 13 A 1261 PHE THR THR TYR PHE THR GLY PHE HIS GLU ASN ARG LYS SEQRES 14 A 1261 ASN MET TYR SER ASP GLU GLU LYS SER THR ALA ILE ALA SEQRES 15 A 1261 TYR ARG LEU ILE HIS GLU ASN LEU PRO LYS PHE LEU ASP SEQRES 16 A 1261 ASN MET LYS VAL PHE GLU LYS ILE LYS GLU LYS HIS PRO SEQRES 17 A 1261 GLU ALA GLU GLN LEU GLU LYS THR LEU LYS ASP LEU GLY SEQRES 18 A 1261 GLU GLU GLU VAL LEU GLY GLY ASN ASN VAL GLU ASP ILE SEQRES 19 A 1261 PHE SER LEU ASP TYR PHE ASN HIS THR LEU THR GLN SER SEQRES 20 A 1261 GLY ILE ASP ILE TYR ASN THR ILE ILE GLY GLY LYS THR SEQRES 21 A 1261 GLU GLU ASP GLY ASN LYS LYS ILE GLN GLY LEU ASN GLU SEQRES 22 A 1261 TYR ILE ASN LEU TYR ARG GLN LYS ASN ASN GLU LYS ASN SEQRES 23 A 1261 ARG LYS LEU PRO LYS LEU LYS PRO LEU TYR LYS GLN ILE SEQRES 24 A 1261 LEU SER ASP ARG GLU SER LEU SER PHE ILE PRO GLU ALA SEQRES 25 A 1261 PHE GLU ASN ASP GLU GLU LEU LEU GLU ALA ILE GLU GLU SEQRES 26 A 1261 PHE TYR GLU ASN LEU ASN PHE SER ASN ASN ASN GLU ALA SEQRES 27 A 1261 THR ASN VAL LEU GLU LYS LEU LYS GLU LEU LEU SER ASN SEQRES 28 A 1261 LEU ALA ASP TYR ASP LEU ASN LYS ILE TYR ILE ARG ASN SEQRES 29 A 1261 ASP THR SER LEU THR ASP ILE SER GLN LYS ILE PHE GLY SEQRES 30 A 1261 ASP TRP SER VAL ILE LYS ASP ALA LEU ASN ALA HIS TYR SEQRES 31 A 1261 ASP GLN THR TYR PRO LYS LYS LYS LYS LYS LYS SER LYS SEQRES 32 A 1261 GLU LYS LEU GLU GLU LYS ARG GLU LYS TRP LEU LYS LYS SEQRES 33 A 1261 GLN LYS TYR PHE SER ILE ALA GLU LEU GLN GLU ALA LEU SEQRES 34 A 1261 ASP SER TYR CYS LYS GLU SER ASP GLU SER LYS GLU GLN SEQRES 35 A 1261 LYS GLU ASN SER ILE ALA ASP TYR PHE LYS THR LEU ALA SEQRES 36 A 1261 GLN THR LYS ASN GLU THR ASP LYS LYS THR ASP LEU ILE SEQRES 37 A 1261 GLU ASN ILE LYS SER LYS TYR GLN TYR PRO ASN ASP LYS SEQRES 38 A 1261 LYS LEU ALA GLN ASP LYS GLU PHE LYS ASP VAL GLU LYS SEQRES 39 A 1261 ILE LYS ALA PHE LEU ASP SER ILE MET ASN LEU GLN HIS SEQRES 40 A 1261 PHE VAL LYS PRO LEU HIS LEU VAL LYS GLY GLY SER ALA SEQRES 41 A 1261 GLY ALA GLU MET GLU LYS ASP GLU ALA PHE TYR SER GLU SEQRES 42 A 1261 PHE GLU ALA LEU TYR GLU GLU LEU SER GLN VAL ILE PRO SEQRES 43 A 1261 LEU TYR ASN LYS VAL ARG ASN TYR LEU THR GLN LYS PRO SEQRES 44 A 1261 TYR SER THR GLU LYS ILE LYS LEU ASN PHE GLU ASN SER SEQRES 45 A 1261 THR LEU LEU ASP GLY TRP ASP VAL ASN LYS GLU THR ASP SEQRES 46 A 1261 ASN THR SER VAL LEU LEU ARG LYS ASP GLY LEU TYR TYR SEQRES 47 A 1261 LEU GLY ILE MET ASN LYS LYS HIS ASN LYS VAL PHE GLU SEQRES 48 A 1261 ASN ILE PRO GLU SER ASN GLU ASN ASP LYS CYS TYR GLU SEQRES 49 A 1261 LYS MET ASP TYR LYS LEU LEU PRO GLY ALA ASN LYS MET SEQRES 50 A 1261 LEU PRO LYS VAL PHE PHE SER ASN LYS ASN ILE ASP TYR SEQRES 51 A 1261 PHE ASN PRO SER ALA GLU ILE LEU GLU ILE TYR GLU ASN SEQRES 52 A 1261 GLY THR HIS LYS LYS SER GLY ASP ASN PHE ASN LEU ASP SEQRES 53 A 1261 ASP CYS HIS LYS LEU ILE ASP PHE PHE LYS GLU SER ILE SEQRES 54 A 1261 ASN LYS HIS GLU ASP TRP LYS LYS PHE GLY PHE LYS PHE SEQRES 55 A 1261 SER PRO THR SER SER TYR GLU ASP ILE SER GLY PHE TYR SEQRES 56 A 1261 ARG GLU VAL GLU GLN GLN GLY TYR LYS ILE SER PHE LYS SEQRES 57 A 1261 ASN ILE SER GLU SER TYR ILE ASP GLU LEU VAL ASP GLU SEQRES 58 A 1261 GLY LYS LEU TYR LEU PHE GLN ILE TYR ASN LYS ASP PHE SEQRES 59 A 1261 SER PRO TYR SER LYS GLY LYS PRO ASN LEU HIS THR LEU SEQRES 60 A 1261 TYR TRP LYS ALA LEU PHE ASP GLU GLU ASN LEU LYS ASP SEQRES 61 A 1261 VAL VAL TYR LYS LEU ASN GLY GLU ALA GLU VAL PHE TYR SEQRES 62 A 1261 ARG LYS ALA SER ILE ASN GLU THR ILE VAL HIS LYS ALA SEQRES 63 A 1261 ASN GLU PRO ILE LYS ASN LYS ASN PRO LEU ASN PRO LYS SEQRES 64 A 1261 LYS GLN SER THR PHE GLU TYR ASP ILE ILE LYS ASP ARG SEQRES 65 A 1261 ARG TYR THR VAL ASP LYS PHE GLN PHE HIS VAL PRO ILE SEQRES 66 A 1261 THR MET ASN PHE LYS ALA GLU GLY ASN SER ASN ILE ASN SEQRES 67 A 1261 ASP GLU VAL ASN GLU PHE LEU LYS GLY ASN ALA PRO ASP SEQRES 68 A 1261 VAL ASN ILE ILE GLY ILE ASP ARG GLY GLU ARG HIS LEU SEQRES 69 A 1261 LEU TYR LEU THR LEU ILE ASP GLN LYS GLY LYS ILE VAL SEQRES 70 A 1261 GLU GLN ASP SER LEU ASN THR ILE THR ASN GLU HIS ASN SEQRES 71 A 1261 GLU THR ASP TYR HIS ALA LEU LEU ASP ASP LYS GLU LYS SEQRES 72 A 1261 GLU ARG ASP LYS ALA ARG LYS SER TRP GLY THR ILE GLU SEQRES 73 A 1261 ASN ILE LYS GLU LEU LYS GLU GLY TYR LEU SER GLN VAL SEQRES 74 A 1261 VAL HIS LYS ILE ALA LYS LEU MET VAL GLU HIS ASN ALA SEQRES 75 A 1261 ILE VAL VAL MET GLU ASP LEU ASN PHE GLY PHE LYS ARG SEQRES 76 A 1261 GLY ARG PHE LYS VAL GLU LYS GLN VAL TYR GLN LYS PHE SEQRES 77 A 1261 GLU LYS MET LEU ILE ASP LYS LEU ASN TYR LEU VAL ASP SEQRES 78 A 1261 LYS ASP LYS GLU PRO ASN GLU PRO GLY GLY LEU LEU ASN SEQRES 79 A 1261 ALA TYR GLN LEU THR ASN LYS PHE GLU SER PHE GLN LYS SEQRES 80 A 1261 MET GLY LYS GLN SER GLY PHE LEU PHE TYR VAL PRO ALA SEQRES 81 A 1261 TRP ASN THR SER LYS ILE ASP PRO THR THR GLY PHE VAL SEQRES 82 A 1261 ASN LEU PHE HIS PRO ARG TYR GLU ASN VAL GLU LYS ALA SEQRES 83 A 1261 LYS GLU PHE PHE ASN LYS PHE ASP SER ILE ARG TYR ASN SEQRES 84 A 1261 SER GLU LYS ASP TYR PHE GLU PHE ALA PHE ASP TYR ASN SEQRES 85 A 1261 ASN PHE THR GLU LYS ALA GLU GLY THR LYS TRP THR VAL SEQRES 86 A 1261 CYS THR TYR GLY GLU ARG ILE LYS THR TYR ARG ASN ALA SEQRES 87 A 1261 ASP LYS ASN ASN GLN TRP ASP SER LYS GLU VAL ASN VAL SEQRES 88 A 1261 THR GLU GLU PHE LYS ASN LEU PHE ASP GLU TYR ASN ILE SEQRES 89 A 1261 ASP TYR LYS ASN GLY ASN ASP LEU LYS GLU ALA ILE LEU SEQRES 90 A 1261 SER GLN ASP ASP ALA ASP PHE PHE LYS SER LEU LEU HIS SEQRES 91 A 1261 LEU LEU ARG LEU THR LEU GLN MET ARG ASN SER ILE THR SEQRES 92 A 1261 GLY THR GLU ILE ASP TYR ILE ILE SER PRO VAL ALA ASN SEQRES 93 A 1261 GLU ASN GLY GLU PHE PHE ASP SER ARG LYS ALA ASP GLU SEQRES 94 A 1261 SER LEU PRO LYS ASP ALA ASP ALA ASN GLY ALA TYR HIS SEQRES 95 A 1261 ILE ALA ARG LYS GLY LEU TRP VAL LEU GLU GLN ILE LYS SEQRES 96 A 1261 GLN THR ASP ASP LEU LYS LYS VAL ASN LEU ALA ILE SER SEQRES 97 A 1261 ASN LYS GLU TRP LEU GLU PHE VAL GLN GLU ARG LYS ASN SEQRES 1 C 40 G A A U U U C U A C U G U SEQRES 2 C 40 U G U A G A U U C C U A A SEQRES 3 C 40 G G C G U U A C C C C A A SEQRES 4 C 40 U SEQRES 1 T 39 DC DC DC DT DC DC DC DA DT DT DG DG DG SEQRES 2 T 39 DG DT DA DA DC DG DC DC DT DT DA DG DG SEQRES 3 T 39 DA DT DA DA DA DT DA DT DG DC DT DA DG SEQRES 1 N 39 DC DT DA DG DC DA DT DA DT DT DT DA DT SEQRES 2 N 39 DC DC DT DA DA DG DG DC DG DT DT DA DC SEQRES 3 N 39 DC DC DC DA DA DT DG DG DG DA DG DG DG HET MG A1401 1 HET MG A1402 1 HET MG A1403 1 HET MG A1404 1 HET MG C 101 1 HETNAM MG MAGNESIUM ION FORMUL 5 MG 5(MG 2+) HELIX 1 AA1 LYS A 27 GLY A 36 1 10 HELIX 2 AA2 GLY A 36 LEU A 67 1 32 HELIX 3 AA3 GLY A 74 PHE A 85 1 12 HELIX 4 AA4 LYS A 92 HIS A 117 1 26 HELIX 5 AA5 GLU A 118 LEU A 123 5 6 HELIX 6 AA6 LYS A 125 SER A 140 1 16 HELIX 7 AA7 GLY A 144 PHE A 154 1 11 HELIX 8 AA8 THR A 158 TYR A 160 5 3 HELIX 9 AA9 PHE A 161 ASN A 170 1 10 HELIX 10 AB1 ALA A 180 GLU A 188 1 9 HELIX 11 AB2 GLU A 188 HIS A 207 1 20 HELIX 12 AB3 TYR A 239 LEU A 244 1 6 HELIX 13 AB4 THR A 245 GLY A 257 1 13 HELIX 14 AB5 GLY A 270 ASN A 283 1 14 HELIX 15 AB6 GLU A 284 LEU A 289 1 6 HELIX 16 AB7 ASN A 315 ASN A 331 1 17 HELIX 17 AB8 ASN A 340 ASN A 351 1 12 HELIX 18 AB9 ASP A 365 GLY A 377 1 13 HELIX 19 AC1 SER A 380 HIS A 389 1 10 HELIX 20 AC2 ILE A 422 SER A 431 1 10 HELIX 21 AC3 ASN A 445 THR A 457 1 13 HELIX 22 AC4 ASP A 491 LYS A 510 1 20 HELIX 23 AC5 ASP A 527 SER A 542 1 16 HELIX 24 AC6 GLN A 543 LEU A 555 1 13 HELIX 25 AC7 LYS A 582 THR A 587 1 6 HELIX 26 AC8 LYS A 604 ASN A 607 5 4 HELIX 27 AC9 GLY A 633 PHE A 643 1 11 HELIX 28 AD1 ASN A 647 ASN A 652 1 6 HELIX 29 AD2 SER A 654 GLY A 664 1 11 HELIX 30 AD3 ASN A 674 HIS A 692 1 19 HELIX 31 AD4 TRP A 695 GLY A 699 5 5 HELIX 32 AD5 PRO A 704 TYR A 708 5 5 HELIX 33 AD6 ASP A 710 GLY A 722 1 13 HELIX 34 AD7 GLU A 732 GLU A 741 1 10 HELIX 35 AD8 ASN A 751 SER A 755 5 5 HELIX 36 AD9 ASN A 763 PHE A 773 1 11 HELIX 37 AE1 ASP A 774 ASP A 780 1 7 HELIX 38 AE2 ASP A 831 THR A 835 5 5 HELIX 39 AE3 ILE A 857 LYS A 866 1 10 HELIX 40 AE4 ASP A 913 SER A 931 1 19 HELIX 41 AE5 ILE A 938 ASN A 961 1 24 HELIX 42 AE6 GLU A 981 TYR A 998 1 18 HELIX 43 AE7 ASN A 1062 LYS A 1072 1 11 HELIX 44 AE8 ASN A 1130 ASP A 1140 1 11 HELIX 45 AE9 GLU A 1141 ASN A 1143 5 3 HELIX 46 AF1 LEU A 1152 ILE A 1156 5 5 HELIX 47 AF2 ASP A 1161 ARG A 1173 1 13 HELIX 48 AF3 ASP A 1216 THR A 1237 1 22 HELIX 49 AF4 SER A 1248 GLN A 1257 1 10 SHEET 1 AA1 6 VAL A 589 LYS A 593 0 SHEET 2 AA1 6 LEU A 596 MET A 602 -1 O LEU A 596 N LYS A 593 SHEET 3 AA1 6 LEU A 744 TYR A 750 -1 O PHE A 747 N LEU A 599 SHEET 4 AA1 6 LEU A 14 PRO A 24 -1 N GLU A 21 O TYR A 750 SHEET 5 AA1 6 PHE A 841 MET A 847 -1 O VAL A 843 N LEU A 18 SHEET 6 AA1 6 LYS A 784 LEU A 785 -1 N LYS A 784 O THR A 846 SHEET 1 AA2 2 TYR A 361 ARG A 363 0 SHEET 2 AA2 2 TYR A 419 SER A 421 -1 O PHE A 420 N ILE A 362 SHEET 1 AA3 3 LYS A 564 LYS A 566 0 SHEET 2 AA3 3 PHE A 792 ARG A 794 -1 O TYR A 793 N ILE A 565 SHEET 3 AA3 3 LYS A 838 PHE A 839 -1 O LYS A 838 N ARG A 794 SHEET 1 AA4 2 CYS A 622 LEU A 630 0 SHEET 2 AA4 2 TYR A 723 SER A 731 -1 O SER A 726 N ASP A 627 SHEET 1 AA5 2 VAL A 803 HIS A 804 0 SHEET 2 AA5 2 ILE A 828 ILE A 829 -1 O ILE A 828 N HIS A 804 SHEET 1 AA6 2 ILE A 810 LYS A 811 0 SHEET 2 AA6 2 GLN A 821 SER A 822 -1 O SER A 822 N ILE A 810 SHEET 1 AA7 5 ILE A 896 SER A 901 0 SHEET 2 AA7 5 TYR A 886 ILE A 890 -1 N LEU A 889 O VAL A 897 SHEET 3 AA7 5 ASN A 873 ASP A 878 -1 N ILE A 874 O ILE A 890 SHEET 4 AA7 5 ALA A 962 GLU A 967 1 O VAL A 965 N ILE A 875 SHEET 5 AA7 5 LEU A1035 VAL A1038 1 O PHE A1036 N MET A 966 SHEET 1 AA8 3 SER A1075 TYR A1078 0 SHEET 2 AA8 3 PHE A1085 ASP A1090 -1 O ALA A1088 N SER A1075 SHEET 3 AA8 3 LYS A1102 TRP A1103 -1 O TRP A1103 N PHE A1089 SHEET 1 AA9 2 ILE A1112 LYS A1113 0 SHEET 2 AA9 2 LYS A1127 GLU A1128 -1 O LYS A1127 N LYS A1113 SHEET 1 AB1 2 ASN A1180 SER A1181 0 SHEET 2 AB1 2 ASP A1188 TYR A1189 -1 O TYR A1189 N ASN A1180 LINK OG1 THR A 573 MG MG A1403 1555 1555 2.69 LINK O LYS A 761 MG MG A1401 1555 1555 2.68 LINK OD1 ASP A 878 MG MG A1404 1555 1555 2.05 LINK OD2 ASP A 878 MG MG A1404 1555 1555 2.40 LINK MG MG A1401 OP2 A C -3 1555 1555 2.44 LINK MG MG A1403 OP2 DA N -4 1555 1555 2.76 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