HEADER DNA BINDING PROTEIN 18-DEC-24 9MKX TITLE FNOCAS12A BRIDGE HELIX VARIANT STATE 4B COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRISPR-ASSOCIATED ENDONUCLEASE CAS12A; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CRISPR-ASSOCIATED ENDONUCLEASE CPF1,FNCAS12A,FNCPF1; COMPND 5 EC: 3.1.21.1,4.6.1.22; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: RNA (31-MER); COMPND 10 CHAIN: B; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: TS DNA; COMPND 14 CHAIN: C; COMPND 15 ENGINEERED: YES; COMPND 16 MOL_ID: 4; COMPND 17 MOLECULE: NTS DNA; COMPND 18 CHAIN: D; COMPND 19 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FRANCISELLA TULARENSIS SUBSP. NOVICIDA; SOURCE 3 ORGANISM_TAXID: 264; SOURCE 4 GENE: CAS12A, CPF1, FTN_1397; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 MOL_ID: 2; SOURCE 8 SYNTHETIC: YES; SOURCE 9 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 10 ORGANISM_TAXID: 32630; SOURCE 11 MOL_ID: 3; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630; SOURCE 15 MOL_ID: 4; SOURCE 16 SYNTHETIC: YES; SOURCE 17 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 18 ORGANISM_TAXID: 32630 KEYWDS CAS12A, BRIDGE HELIX, LOOP-TO-HELICAL TRANSITION, CONFORMATIONAL KEYWDS 2 CASCADE, ALLOSTERY, OFF-TARGET DNA CLEAVAGE, DNA BINDING PROTEIN EXPDTA ELECTRON MICROSCOPY AUTHOR C.GANGULY,L.M.THOMAS,S.D.ARIBAM,L.MARTIN,R.RAJAN REVDAT 1 11-FEB-26 9MKX 0 JRNL AUTH C.GANGULY,S.D.ARIBAM,A.M.DOS SANTOS,L.MARTIN,L.M.THOMAS, JRNL AUTH 2 Y.SHAO,R.RAJAN JRNL TITL BRIDGE HELIX OF CAS12A IS AN ALLOSTERIC REGULATOR OF R-LOOP JRNL TITL 2 FORMATION AND RUVC ACTIVATION. JRNL REF NAT COMMUN 2026 JRNL REFN ESSN 2041-1723 JRNL PMID 41605928 JRNL DOI 10.1038/S41467-026-68657-0 REMARK 2 REMARK 2 RESOLUTION. 3.21 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) : 3.210 REMARK 3 NUMBER OF PARTICLES : 73270 REMARK 3 CTF CORRECTION METHOD : NONE REMARK 3 REMARK 3 EM RECONSTRUCTION MAGNIFICATION CALIBRATION: NULL REMARK 3 REMARK 3 OTHER DETAILS: NULL REMARK 4 REMARK 4 9MKX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-24. REMARK 100 THE DEPOSITION ID IS D_1000291096. 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 FNOCRISPR REMARK 245 -CAS12A 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 BIOQUANTUM (6K X REMARK 245 4K) REMARK 245 MINIMUM DEFOCUS (NM) : 1000.00 REMARK 245 MAXIMUM DEFOCUS (NM) : 2000.00 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) : 125.00 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 GLY A -4 REMARK 465 ALA A -3 REMARK 465 ALA A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 SER A 334 REMARK 465 LYS A 335 REMARK 465 SER A 336 REMARK 465 PHE A 337 REMARK 465 VAL A 338 REMARK 465 ILE A 339 REMARK 465 ASP A 340 REMARK 465 LYS A 341 REMARK 465 LEU A 342 REMARK 465 GLU A 343 REMARK 465 SER A 546 REMARK 465 GLN A 547 REMARK 465 SER A 548 REMARK 465 GLU A 549 REMARK 465 ASP A 550 REMARK 465 LYS A 551 REMARK 465 ALA A 552 REMARK 465 ASN A 553 REMARK 465 ILE A 554 REMARK 465 LEU A 555 REMARK 465 ASP A 556 REMARK 465 LYS A 557 REMARK 465 A B 12 REMARK 465 A B 13 REMARK 465 U B 14 REMARK 465 A B 15 REMARK 465 A B 16 REMARK 465 G B 17 REMARK 465 G B 18 REMARK 465 C B 19 REMARK 465 C B 20 REMARK 465 A B 21 REMARK 465 C B 22 REMARK 465 U B 23 REMARK 465 DG C -19 REMARK 465 DC C -18 REMARK 465 DC C -17 REMARK 465 DT C -16 REMARK 465 DA D 3 REMARK 465 DA D 4 REMARK 465 DG D 5 REMARK 465 DT D 6 REMARK 465 DC D 7 REMARK 465 DA D 8 REMARK 465 DT D 9 REMARK 465 DT D 10 REMARK 465 DT D 11 REMARK 465 DA D 12 REMARK 465 DA D 13 REMARK 465 DT D 14 REMARK 465 DA D 15 REMARK 465 DA D 16 REMARK 465 DG D 17 REMARK 465 DG D 18 REMARK 465 DC D 19 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 OD1 ASN A 1153 OG1 THR A 1213 2.16 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 ASP A 74 -4.70 69.83 REMARK 500 PHE A 123 16.60 59.93 REMARK 500 ILE A 128 -60.82 -121.09 REMARK 500 LYS A 132 -170.01 61.85 REMARK 500 THR A 250 -169.22 -125.97 REMARK 500 ASN A 312 -144.31 59.83 REMARK 500 LYS A 317 48.82 -92.09 REMARK 500 LEU A 329 62.04 60.95 REMARK 500 ASP A 396 -168.69 -165.76 REMARK 500 VAL A 406 -60.50 -93.10 REMARK 500 ASP A 408 11.67 59.97 REMARK 500 SER A 434 -3.40 68.14 REMARK 500 LEU A 440 -6.11 71.90 REMARK 500 ARG A 467 56.72 -91.32 REMARK 500 ASP A 468 -114.72 52.30 REMARK 500 LYS A 471 -116.64 58.69 REMARK 500 CYS A 473 -60.34 -93.33 REMARK 500 PHE A 475 18.64 58.20 REMARK 500 LEU A 540 61.46 60.44 REMARK 500 TYR A 562 -1.85 65.98 REMARK 500 ALA A 573 51.14 -91.27 REMARK 500 PHE A 641 59.34 -94.74 REMARK 500 SER A 678 -5.90 72.05 REMARK 500 PHE A 723 -1.10 75.86 REMARK 500 LYS A 846 -0.82 68.91 REMARK 500 PHE A 873 -2.95 76.86 REMARK 500 ARG A 964 61.21 39.60 REMARK 500 ALA A 967 -179.58 -69.19 REMARK 500 GLN A1022 -5.91 68.29 REMARK 500 GLU A1062 -168.82 -126.43 REMARK 500 THR A1071 -167.19 -119.01 REMARK 500 TYR A1096 72.51 51.37 REMARK 500 ASP A1135 -149.38 57.43 REMARK 500 LEU A1151 -169.50 -76.48 REMARK 500 SER A1220 -106.87 53.98 REMARK 500 GLU A1278 17.45 59.83 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: EMD-48341 RELATED DB: EMDB REMARK 900 FNOCAS12A BRIDGE HELIX VARIANT STATE 4B DBREF 9MKX A 1 1300 UNP A0Q7Q2 CS12A_FRATN 1 1300 DBREF 9MKX B -19 23 PDB 9MKX 9MKX -19 23 DBREF 9MKX C -19 4 PDB 9MKX 9MKX -19 4 DBREF 9MKX D -4 19 PDB 9MKX 9MKX -4 19 SEQADV 9MKX GLY A -4 UNP A0Q7Q2 EXPRESSION TAG SEQADV 9MKX ALA A -3 UNP A0Q7Q2 EXPRESSION TAG SEQADV 9MKX ALA A -2 UNP A0Q7Q2 EXPRESSION TAG SEQADV 9MKX SER A -1 UNP A0Q7Q2 EXPRESSION TAG SEQADV 9MKX HIS A 0 UNP A0Q7Q2 EXPRESSION TAG SEQADV 9MKX PRO A 969 UNP A0Q7Q2 LYS 969 ENGINEERED MUTATION SEQADV 9MKX PRO A 970 UNP A0Q7Q2 ASP 970 ENGINEERED MUTATION SEQRES 1 A 1305 GLY ALA ALA SER HIS MET SER ILE TYR GLN GLU PHE VAL SEQRES 2 A 1305 ASN LYS TYR SER LEU SER LYS THR LEU ARG PHE GLU LEU SEQRES 3 A 1305 ILE PRO GLN GLY LYS THR LEU GLU ASN ILE LYS ALA ARG SEQRES 4 A 1305 GLY LEU ILE LEU ASP ASP GLU LYS ARG ALA LYS ASP TYR SEQRES 5 A 1305 LYS LYS ALA LYS GLN ILE ILE ASP LYS TYR HIS GLN PHE SEQRES 6 A 1305 PHE ILE GLU GLU ILE LEU SER SER VAL CYS ILE SER GLU SEQRES 7 A 1305 ASP LEU LEU GLN ASN TYR SER ASP VAL TYR PHE LYS LEU SEQRES 8 A 1305 LYS LYS SER ASP ASP ASP ASN LEU GLN LYS ASP PHE LYS SEQRES 9 A 1305 SER ALA LYS ASP THR ILE LYS LYS GLN ILE SER GLU TYR SEQRES 10 A 1305 ILE LYS ASP SER GLU LYS PHE LYS ASN LEU PHE ASN GLN SEQRES 11 A 1305 ASN LEU ILE ASP ALA LYS LYS GLY GLN GLU SER ASP LEU SEQRES 12 A 1305 ILE LEU TRP LEU LYS GLN SER LYS ASP ASN GLY ILE GLU SEQRES 13 A 1305 LEU PHE LYS ALA ASN SER ASP ILE THR ASP ILE ASP GLU SEQRES 14 A 1305 ALA LEU GLU ILE ILE LYS SER PHE LYS GLY TRP THR THR SEQRES 15 A 1305 TYR PHE LYS GLY PHE HIS GLU ASN ARG LYS ASN VAL TYR SEQRES 16 A 1305 SER SER ASN ASP ILE PRO THR SER ILE ILE TYR ARG ILE SEQRES 17 A 1305 VAL ASP ASP ASN LEU PRO LYS PHE LEU GLU ASN LYS ALA SEQRES 18 A 1305 LYS TYR GLU SER LEU LYS ASP LYS ALA PRO GLU ALA ILE SEQRES 19 A 1305 ASN TYR GLU GLN ILE LYS LYS ASP LEU ALA GLU GLU LEU SEQRES 20 A 1305 THR PHE ASP ILE ASP TYR LYS THR SER GLU VAL ASN GLN SEQRES 21 A 1305 ARG VAL PHE SER LEU ASP GLU VAL PHE GLU ILE ALA ASN SEQRES 22 A 1305 PHE ASN ASN TYR LEU ASN GLN SER GLY ILE THR LYS PHE SEQRES 23 A 1305 ASN THR ILE ILE GLY GLY LYS PHE VAL ASN GLY GLU ASN SEQRES 24 A 1305 THR LYS ARG LYS GLY ILE ASN GLU TYR ILE ASN LEU TYR SEQRES 25 A 1305 SER GLN GLN ILE ASN ASP LYS THR LEU LYS LYS TYR LYS SEQRES 26 A 1305 MET SER VAL LEU PHE LYS GLN ILE LEU SER ASP THR GLU SEQRES 27 A 1305 SER LYS SER PHE VAL ILE ASP LYS LEU GLU ASP ASP SER SEQRES 28 A 1305 ASP VAL VAL THR THR MET GLN SER PHE TYR GLU GLN ILE SEQRES 29 A 1305 ALA ALA PHE LYS THR VAL GLU GLU LYS SER ILE LYS GLU SEQRES 30 A 1305 THR LEU SER LEU LEU PHE ASP ASP LEU LYS ALA GLN LYS SEQRES 31 A 1305 LEU ASP LEU SER LYS ILE TYR PHE LYS ASN ASP LYS SER SEQRES 32 A 1305 LEU THR ASP LEU SER GLN GLN VAL PHE ASP ASP TYR SER SEQRES 33 A 1305 VAL ILE GLY THR ALA VAL LEU GLU TYR ILE THR GLN GLN SEQRES 34 A 1305 ILE ALA PRO LYS ASN LEU ASP ASN PRO SER LYS LYS GLU SEQRES 35 A 1305 GLN GLU LEU ILE ALA LYS LYS THR GLU LYS ALA LYS TYR SEQRES 36 A 1305 LEU SER LEU GLU THR ILE LYS LEU ALA LEU GLU GLU PHE SEQRES 37 A 1305 ASN LYS HIS ARG ASP ILE ASP LYS GLN CYS ARG PHE GLU SEQRES 38 A 1305 GLU ILE LEU ALA ASN PHE ALA ALA ILE PRO MET ILE PHE SEQRES 39 A 1305 ASP GLU ILE ALA GLN ASN LYS ASP ASN LEU ALA GLN ILE SEQRES 40 A 1305 SER ILE LYS TYR GLN ASN GLN GLY LYS LYS ASP LEU LEU SEQRES 41 A 1305 GLN ALA SER ALA GLU ASP ASP VAL LYS ALA ILE LYS ASP SEQRES 42 A 1305 LEU LEU ASP GLN THR ASN ASN LEU LEU HIS LYS LEU LYS SEQRES 43 A 1305 ILE PHE HIS ILE SER GLN SER GLU ASP LYS ALA ASN ILE SEQRES 44 A 1305 LEU ASP LYS ASP GLU HIS PHE TYR LEU VAL PHE GLU GLU SEQRES 45 A 1305 CYS TYR PHE GLU LEU ALA ASN ILE VAL PRO LEU TYR ASN SEQRES 46 A 1305 LYS ILE ARG ASN TYR ILE THR GLN LYS PRO TYR SER ASP SEQRES 47 A 1305 GLU LYS PHE LYS LEU ASN PHE GLU ASN SER THR LEU ALA SEQRES 48 A 1305 ASN GLY TRP ASP LYS ASN LYS GLU PRO ASP ASN THR ALA SEQRES 49 A 1305 ILE LEU PHE ILE LYS ASP ASP LYS TYR TYR LEU GLY VAL SEQRES 50 A 1305 MET ASN LYS LYS ASN ASN LYS ILE PHE ASP ASP LYS ALA SEQRES 51 A 1305 ILE LYS GLU ASN LYS GLY GLU GLY TYR LYS LYS ILE VAL SEQRES 52 A 1305 TYR LYS LEU LEU PRO GLY ALA ASN LYS MET LEU PRO LYS SEQRES 53 A 1305 VAL PHE PHE SER ALA LYS SER ILE LYS PHE TYR ASN PRO SEQRES 54 A 1305 SER GLU ASP ILE LEU ARG ILE ARG ASN HIS SER THR HIS SEQRES 55 A 1305 THR LYS ASN GLY SER PRO GLN LYS GLY TYR GLU LYS PHE SEQRES 56 A 1305 GLU PHE ASN ILE GLU ASP CYS ARG LYS PHE ILE ASP PHE SEQRES 57 A 1305 TYR LYS GLN SER ILE SER LYS HIS PRO GLU TRP LYS ASP SEQRES 58 A 1305 PHE GLY PHE ARG PHE SER ASP THR GLN ARG TYR ASN SER SEQRES 59 A 1305 ILE ASP GLU PHE TYR ARG GLU VAL GLU ASN GLN GLY TYR SEQRES 60 A 1305 LYS LEU THR PHE GLU ASN ILE SER GLU SER TYR ILE ASP SEQRES 61 A 1305 SER VAL VAL ASN GLN GLY LYS LEU TYR LEU PHE GLN ILE SEQRES 62 A 1305 TYR ASN LYS ASP PHE SER ALA TYR SER LYS GLY ARG PRO SEQRES 63 A 1305 ASN LEU HIS THR LEU TYR TRP LYS ALA LEU PHE ASP GLU SEQRES 64 A 1305 ARG ASN LEU GLN ASP VAL VAL TYR LYS LEU ASN GLY GLU SEQRES 65 A 1305 ALA GLU LEU PHE TYR ARG LYS GLN SER ILE PRO LYS LYS SEQRES 66 A 1305 ILE THR HIS PRO ALA LYS GLU ALA ILE ALA ASN LYS ASN SEQRES 67 A 1305 LYS ASP ASN PRO LYS LYS GLU SER VAL PHE GLU TYR ASP SEQRES 68 A 1305 LEU ILE LYS ASP LYS ARG PHE THR GLU ASP LYS PHE PHE SEQRES 69 A 1305 PHE HIS CYS PRO ILE THR ILE ASN PHE LYS SER SER GLY SEQRES 70 A 1305 ALA ASN LYS PHE ASN ASP GLU ILE ASN LEU LEU LEU LYS SEQRES 71 A 1305 GLU LYS ALA ASN ASP VAL HIS ILE LEU SER ILE ASP ARG SEQRES 72 A 1305 GLY GLU ARG HIS LEU ALA TYR TYR THR LEU VAL ASP GLY SEQRES 73 A 1305 LYS GLY ASN ILE ILE LYS GLN ASP THR PHE ASN ILE ILE SEQRES 74 A 1305 GLY ASN ASP ARG MET LYS THR ASN TYR HIS ASP LYS LEU SEQRES 75 A 1305 ALA ALA ILE GLU LYS ASP ARG ASP SER ALA ARG PRO PRO SEQRES 76 A 1305 TRP LYS LYS ILE ASN ASN ILE LYS GLU MET LYS GLU GLY SEQRES 77 A 1305 TYR LEU SER GLN VAL VAL HIS GLU ILE ALA LYS LEU VAL SEQRES 78 A 1305 ILE GLU TYR ASN ALA ILE VAL VAL PHE GLU ASP LEU ASN SEQRES 79 A 1305 PHE GLY PHE LYS ARG GLY ARG PHE LYS VAL GLU LYS GLN SEQRES 80 A 1305 VAL TYR GLN LYS LEU GLU LYS MET LEU ILE GLU LYS LEU SEQRES 81 A 1305 ASN TYR LEU VAL PHE LYS ASP ASN GLU PHE ASP LYS THR SEQRES 82 A 1305 GLY GLY VAL LEU ARG ALA TYR GLN LEU THR ALA PRO PHE SEQRES 83 A 1305 GLU THR PHE LYS LYS MET GLY LYS GLN THR GLY ILE ILE SEQRES 84 A 1305 TYR TYR VAL PRO ALA GLY PHE THR SER LYS ILE CYS PRO SEQRES 85 A 1305 VAL THR GLY PHE VAL ASN GLN LEU TYR PRO LYS TYR GLU SEQRES 86 A 1305 SER VAL SER LYS SER GLN GLU PHE PHE SER LYS PHE ASP SEQRES 87 A 1305 LYS ILE CYS TYR ASN LEU ASP LYS GLY TYR PHE GLU PHE SEQRES 88 A 1305 SER PHE ASP TYR LYS ASN PHE GLY ASP LYS ALA ALA LYS SEQRES 89 A 1305 GLY LYS TRP THR ILE ALA SER PHE GLY SER ARG LEU ILE SEQRES 90 A 1305 ASN PHE ARG ASN SER ASP LYS ASN HIS ASN TRP ASP THR SEQRES 91 A 1305 ARG GLU VAL TYR PRO THR LYS GLU LEU GLU LYS LEU LEU SEQRES 92 A 1305 LYS ASP TYR SER ILE GLU TYR GLY HIS GLY GLU CYS ILE SEQRES 93 A 1305 LYS ALA ALA ILE CYS GLY GLU SER ASP LYS LYS PHE PHE SEQRES 94 A 1305 ALA LYS LEU THR SER VAL LEU ASN THR ILE LEU GLN MET SEQRES 95 A 1305 ARG ASN SER LYS THR GLY THR GLU LEU ASP TYR LEU ILE SEQRES 96 A 1305 SER PRO VAL ALA ASP VAL ASN GLY ASN PHE PHE ASP SER SEQRES 97 A 1305 ARG GLN ALA PRO LYS ASN MET PRO GLN ASP ALA ASP ALA SEQRES 98 A 1305 ASN GLY ALA TYR HIS ILE GLY LEU LYS GLY LEU MET LEU SEQRES 99 A 1305 LEU GLY ARG ILE LYS ASN ASN GLN GLU GLY LYS LYS LEU SEQRES 100 A 1305 ASN LEU VAL ILE LYS ASN GLU GLU TYR PHE GLU PHE VAL SEQRES 101 A 1305 GLN ASN ARG ASN ASN SEQRES 1 B 43 A A U U U C U A C U G U U SEQRES 2 B 43 G U A G A U G A G A A G U SEQRES 3 B 43 C A U U U A A U A A G G C SEQRES 4 B 43 C A C U SEQRES 1 C 24 DG DC DC DT DT DA DT DT DA DA DA DT DG SEQRES 2 C 24 DA DC DT DT DC DT DC DT DA DA DA SEQRES 1 D 24 DT DT DT DA DG DA DG DA DA DG DT DC DA SEQRES 2 D 24 DT DT DT DA DA DT DA DA DG DG DC HELIX 1 AA1 LYS A 26 GLY A 35 1 10 HELIX 2 AA2 GLY A 35 ASP A 40 1 6 HELIX 3 AA3 ASP A 40 VAL A 69 1 30 HELIX 4 AA4 ASP A 74 SER A 89 1 16 HELIX 5 AA5 ASP A 91 SER A 116 1 26 HELIX 6 AA6 GLU A 117 LEU A 122 5 6 HELIX 7 AA7 ASN A 124 ILE A 128 5 5 HELIX 8 AA8 SER A 136 LYS A 143 1 8 HELIX 9 AA9 ASP A 161 PHE A 172 1 12 HELIX 10 AB1 TRP A 175 TYR A 178 5 4 HELIX 11 AB2 PHE A 179 SER A 191 1 13 HELIX 12 AB3 SER A 198 ASP A 206 1 9 HELIX 13 AB4 ASP A 206 ALA A 225 1 20 HELIX 14 AB5 GLU A 232 LEU A 238 1 7 HELIX 15 AB6 SER A 259 PHE A 264 1 6 HELIX 16 AB7 GLU A 265 ASN A 270 1 6 HELIX 17 AB8 ASN A 274 GLY A 287 1 14 HELIX 18 AB9 GLY A 299 ILE A 311 1 13 HELIX 19 AC1 SER A 346 ALA A 360 1 15 HELIX 20 AC2 SER A 369 LYS A 382 1 14 HELIX 21 AC3 ASP A 396 PHE A 407 1 12 HELIX 22 AC4 SER A 411 GLN A 424 1 14 HELIX 23 AC5 LYS A 443 ALA A 448 1 6 HELIX 24 AC6 LEU A 453 ASN A 464 1 12 HELIX 25 AC7 ALA A 480 LEU A 499 1 20 HELIX 26 AC8 ALA A 500 GLN A 507 1 8 HELIX 27 AC9 GLU A 520 HIS A 538 1 19 HELIX 28 AD1 VAL A 564 LEU A 572 1 9 HELIX 29 AD2 ILE A 575 GLN A 588 1 14 HELIX 30 AD3 LYS A 613 THR A 618 1 6 HELIX 31 AD4 ASP A 642 GLU A 648 1 7 HELIX 32 AD5 MET A 668 PHE A 674 1 7 HELIX 33 AD6 SER A 685 SER A 695 1 11 HELIX 34 AD7 ASN A 713 ASP A 716 5 4 HELIX 35 AD8 CYS A 717 ASP A 722 1 6 HELIX 36 AD9 TYR A 724 HIS A 731 1 8 HELIX 37 AE1 ASP A 743 TYR A 747 5 5 HELIX 38 AE2 SER A 749 GLY A 761 1 13 HELIX 39 AE3 GLU A 771 GLY A 781 1 11 HELIX 40 AE4 ASN A 790 SER A 794 5 5 HELIX 41 AE5 ASN A 802 ALA A 810 1 9 HELIX 42 AE6 ASP A 813 ASP A 819 1 7 HELIX 43 AE7 LYS A 895 LYS A 905 1 11 HELIX 44 AE8 TYR A 953 GLU A 961 1 9 HELIX 45 AE9 ASN A 975 GLU A 998 1 24 HELIX 46 AF1 TYR A 1024 LEU A 1035 1 12 HELIX 47 AF2 SER A 1101 PHE A 1112 1 12 HELIX 48 AF3 TYR A 1130 GLY A 1134 1 5 HELIX 49 AF4 TYR A 1169 GLU A 1173 5 5 HELIX 50 AF5 LEU A 1174 TYR A 1181 1 8 HELIX 51 AF6 ILE A 1191 GLU A 1198 1 8 HELIX 52 AF7 ASP A 1200 THR A 1213 1 14 HELIX 53 AF8 ASP A 1242 ALA A 1246 5 5 HELIX 54 AF9 ASP A 1255 ASN A 1275 1 21 HELIX 55 AG1 LYS A 1287 ARG A 1298 1 12 SHEET 1 AA1 9 LYS A 595 LYS A 597 0 SHEET 2 AA1 9 GLU A 829 ARG A 833 -1 O TYR A 832 N PHE A 596 SHEET 3 AA1 9 LYS A 877 ILE A 886 -1 O PHE A 879 N PHE A 831 SHEET 4 AA1 9 LYS A 15 PRO A 23 -1 N LEU A 17 O CYS A 882 SHEET 5 AA1 9 LEU A 785 TYR A 789 -1 O TYR A 789 N GLU A 20 SHEET 6 AA1 9 LYS A 627 VAL A 632 -1 N LEU A 630 O PHE A 786 SHEET 7 AA1 9 ALA A 619 LYS A 624 -1 N ILE A 620 O GLY A 631 SHEET 8 AA1 9 TYR A 654 LYS A 660 -1 O LYS A 655 N ILE A 623 SHEET 9 AA1 9 LYS A 763 ILE A 769 -1 O THR A 765 N VAL A 658 SHEET 1 AA2 4 LYS A 595 LYS A 597 0 SHEET 2 AA2 4 GLU A 829 ARG A 833 -1 O TYR A 832 N PHE A 596 SHEET 3 AA2 4 LYS A 877 ILE A 886 -1 O PHE A 879 N PHE A 831 SHEET 4 AA2 4 TYR A 822 LEU A 824 -1 N LYS A 823 O THR A 885 SHEET 1 AA3 2 TYR A 392 LYS A 394 0 SHEET 2 AA3 2 TYR A 450 SER A 452 -1 O LEU A 451 N PHE A 393 SHEET 1 AA4 2 ILE A 849 ALA A 850 0 SHEET 2 AA4 2 GLU A 860 SER A 861 -1 O SER A 861 N ILE A 849 SHEET 1 AA5 5 ILE A 935 THR A 940 0 SHEET 2 AA5 5 TYR A 925 VAL A 929 -1 N LEU A 928 O ILE A 936 SHEET 3 AA5 5 HIS A 912 ASP A 917 -1 N ILE A 913 O VAL A 929 SHEET 4 AA5 5 ALA A1001 ASP A1007 1 O ILE A1002 N LEU A 914 SHEET 5 AA5 5 TYR A1075 PRO A1078 1 O VAL A1077 N ASP A1007 SHEET 1 AA6 2 ILE A 943 ILE A 944 0 SHEET 2 AA6 2 THR A 951 ASN A 952 -1 O THR A 951 N ILE A 944 SHEET 1 AA7 2 GLU A1125 ASP A1129 0 SHEET 2 AA7 2 LYS A1141 ALA A1145 -1 O TRP A1142 N PHE A1128 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 MASTER 232 0 0 55 26 0 0 611756 4 0 109 END