HEADER HYDROLASE 08-MAY-23 8JBB TITLE CRYSTAL STRUCTURE OF THE CSM6 FROM THERMUS THERMOPHILUS HB8 IN COMPLEX TITLE 2 WITH A2>P COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRISPR SYSTEM ENDORIBONUCLEASE CSM6; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CRISPR TYPE III-A ASSOCIATED PROTEIN CSM6,TTCSM6; COMPND 5 EC: 3.1.-.-; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: RNA (5'-R(*AP*(A23))-3'); COMPND 9 CHAIN: C, D; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS (STRAIN ATCC 27634 / DSM SOURCE 3 579 / HB8); SOURCE 4 ORGANISM_TAXID: 300852; SOURCE 5 GENE: CSM6, TTHB152; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: ROSETTA; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630 KEYWDS THERMUS THERMOPHILUS HB8, CSM6, ENDORIBONUCLEASE, A2>P, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.LIN,L.DU REVDAT 3 31-JAN-24 8JBB 1 JRNL REVDAT 2 17-JAN-24 8JBB 1 JRNL REVDAT 1 13-DEC-23 8JBB 0 JRNL AUTH L.DU,Q.ZHU,Z.LIN JRNL TITL MOLECULAR MECHANISM OF ALLOSTERIC ACTIVATION OF THE CRISPR JRNL TITL 2 RIBONUCLEASE CSM6 BY CYCLIC TETRA-ADENYLATE. JRNL REF EMBO J. V. 43 304 2024 JRNL REFN ESSN 1460-2075 JRNL PMID 38177499 JRNL DOI 10.1038/S44318-023-00017-W REMARK 2 REMARK 2 RESOLUTION. 1.81 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 1.20.1_4487 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.81 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.68 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 80743 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.197 REMARK 3 R VALUE (WORKING SET) : 0.197 REMARK 3 FREE R VALUE : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.490 REMARK 3 FREE R VALUE TEST SET COUNT : 3872 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 7181 REMARK 3 NUCLEIC ACID ATOMS : 88 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 540 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.224 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8JBB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBC ON 16-MAY-23. REMARK 100 THE DEPOSITION ID IS D_1300037522. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-AUG-22 REMARK 200 TEMPERATURE (KELVIN) : 80 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL10U2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.978 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 1.20.1_4487 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 80762 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.810 REMARK 200 RESOLUTION RANGE LOW (A) : 60.720 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.81 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM CHLORIDE HEXAHYDRATE, REMARK 280 0.1 M TRIS PH 8.5, 25% W/V POLYETHYLENE GLYCOL 3350, VAPOR REMARK 280 DIFFUSION, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y+1/2,-Z REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 37.56000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL 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 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 1 REMARK 465 GLU A 2 REMARK 465 PRO A 45 REMARK 465 PHE B 46 REMARK 465 PRO B 47 REMARK 465 GLN B 48 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 HOH B 693 O HOH B 802 1.86 REMARK 500 NE2 GLN A 210 O HOH A 501 1.90 REMARK 500 O HOH A 673 O HOH A 693 1.90 REMARK 500 O HOH A 711 O HOH A 724 1.93 REMARK 500 O HOH A 507 O HOH A 608 1.98 REMARK 500 O HOH B 741 O HOH B 773 1.99 REMARK 500 OE1 GLU A 314 O HOH A 502 2.02 REMARK 500 O HOH B 673 O HOH B 775 2.03 REMARK 500 O HOH B 507 O HOH B 763 2.03 REMARK 500 O HOH B 682 O HOH B 746 2.05 REMARK 500 NE ARG B 306 O HOH B 501 2.08 REMARK 500 NH2 ARG B 293 O HOH B 502 2.08 REMARK 500 OH TYR B 227 O HOH B 503 2.08 REMARK 500 NE2 GLN A 313 O HOH A 503 2.09 REMARK 500 O HOH A 562 O HOH A 654 2.10 REMARK 500 NE ARG A 86 O HOH A 504 2.11 REMARK 500 O LEU A 452 O HOH A 505 2.11 REMARK 500 O HOH B 797 O HOH B 801 2.12 REMARK 500 O LEU B 455 O HOH B 501 2.13 REMARK 500 NE2 GLN A 26 O HOH A 506 2.14 REMARK 500 OE1 GLU B 284 O HOH B 504 2.16 REMARK 500 OE1 GLU A 458 O HOH A 507 2.17 REMARK 500 O HOH B 777 O HOH B 806 2.18 REMARK 500 O HOH A 673 O HOH A 681 2.18 REMARK 500 O HOH B 526 O HOH B 717 2.19 REMARK 500 OE2 GLU B 201 O HOH B 505 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH B 755 O HOH B 765 1556 2.12 REMARK 500 O HOH B 672 O HOH B 790 2546 2.15 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 ARG A 86 -6.47 -59.49 REMARK 500 ALA A 319 59.88 -149.04 REMARK 500 ALA A 348 72.94 -152.20 REMARK 500 VAL A 421 -95.56 -105.11 REMARK 500 ASP B 166 57.33 -116.43 REMARK 500 ALA B 348 73.49 -150.27 REMARK 500 VAL B 421 -98.06 -106.72 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 GLY A 223 ASN A 224 -146.24 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG B 390 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 8JBB A 1 464 UNP Q53W17 CSM6_THET8 1 464 DBREF 8JBB B 1 464 UNP Q53W17 CSM6_THET8 1 464 DBREF 8JBB C 3 4 PDB 8JBB 8JBB 3 4 DBREF 8JBB D 3 4 PDB 8JBB 8JBB 3 4 SEQRES 1 A 464 MET GLU ASP LEU ASP ALA LEU TRP GLU ARG TYR ARG GLU SEQRES 2 A 464 ALA VAL ARG ALA GLY GLY ASN PRO GLN ALA LEU TYR GLN SEQRES 3 A 464 GLU MET VAL TRP PRO ALA LEU LEU ALA LEU TRP ARG GLU SEQRES 4 A 464 LYS PRO ARG VAL TYR PRO PHE PRO GLN ALA PHE ALA VAL SEQRES 5 A 464 SER VAL HIS THR LEU GLY THR SER PRO GLU ALA THR ALA SEQRES 6 A 464 LEU ALA ILE LEU GLY ALA GLY ALA GLU ARG VAL TYR VAL SEQRES 7 A 464 LEU HIS THR PRO GLU SER ALA ARG PHE LEU PRO ARG LEU SEQRES 8 A 464 ARG GLN ASP THR GLY LYS ASP LEU TYR PRO VAL GLU ILE SEQRES 9 A 464 GLY LYS SER ASP VAL GLU ALA ILE TYR ARG GLU VAL LYS SEQRES 10 A 464 ARG LEU LEU GLU LYS HIS PRO GLU VAL PRO VAL ALA LEU SEQRES 11 A 464 ASP LEU THR SER GLY THR LYS ALA MET SER ALA GLY LEU SEQRES 12 A 464 ALA ALA ALA GLY PHE PHE PHE GLN ARG PHE TYR PRO LYS SEQRES 13 A 464 VAL ARG VAL VAL TYR VAL ASP ASN GLU ASP TYR ASP PRO SEQRES 14 A 464 GLU LEU ARG ARG PRO ARG ALA GLY THR GLU LYS LEU ARG SEQRES 15 A 464 ILE LEU PRO ASN PRO HIS GLU ALA LEU ALA GLU VAL ASP SEQRES 16 A 464 ALA LEU PHE ALA LYS GLU LEU TYR GLY LYS GLY GLU PHE SEQRES 17 A 464 GLY GLN ALA ALA ALA TYR PHE ARG GLY MET VAL GLY ARG SEQRES 18 A 464 THR GLY ASN GLN ALA TYR ALA LEU TYR ALA LEU LEU ALA SEQRES 19 A 464 GLU MET TYR ARG ALA TRP ARG ALA LEU ASP PHE GLY GLU SEQRES 20 A 464 ALA LEU LYS ALA GLY ARG LYS LEU LEU GLY GLN LEU SER SEQRES 21 A 464 GLN ASN VAL TRP LEU ASN HIS PRO LEU ASN ALA ARG ARG SEQRES 22 A 464 GLU ALA LEU GLU ALA GLN VAL ALA LEU LEU GLU ALA VAL SEQRES 23 A 464 ASP ARG PHE LEU LYS ALA ARG ASP PHE ALA LEU LYS GLU SEQRES 24 A 464 GLY VAL TYR GLY LEU ALA ARG THR LEU LEU HIS LEU ALA SEQRES 25 A 464 GLN GLU ALA LYS GLU GLU ALA ALA VAL LEU ALA ALA LEU SEQRES 26 A 464 TYR ALA TYR ARG ALA LEU GLU LEU LEU LEU GLN GLU ARG SEQRES 27 A 464 LEU ALA LEU LEU GLY ARG ARG ALA GLU ALA PRO GLY LEU SEQRES 28 A 464 SER PRO GLU GLU ALA GLU ALA LEU ARG LYS ALA LEU ALA SEQRES 29 A 464 GLU LEU LEU GLY VAL LEU PRO GLU GLU VAL ARG LEU PRO SEQRES 30 A 464 ALA LYS LEU GLY LEU LEU ASP LEU LEU ALA PHE LEU ARG SEQRES 31 A 464 LEU LYS GLY ASP GLU ALA LEU GLY ARG LEU SER LEU ALA SEQRES 32 A 464 GLU LEU ARG GLY LEU ALA GLY ALA LEU LYS GLY ARG ASN SEQRES 33 A 464 SER ALA LEU LEU VAL HIS GLY PHE ASP VAL PRO SER PRO SEQRES 34 A 464 LYS ALA VAL GLU GLY ILE ALA ARG LEU ALA GLN GLY LEU SEQRES 35 A 464 LEU GLN ASP LEU GLU ALA ARG THR ALA LEU GLY PRO LEU SEQRES 36 A 464 SER PRO GLU PRO VAL PRO LEU GLY PHE SEQRES 1 B 464 MET GLU ASP LEU ASP ALA LEU TRP GLU ARG TYR ARG GLU SEQRES 2 B 464 ALA VAL ARG ALA GLY GLY ASN PRO GLN ALA LEU TYR GLN SEQRES 3 B 464 GLU MET VAL TRP PRO ALA LEU LEU ALA LEU TRP ARG GLU SEQRES 4 B 464 LYS PRO ARG VAL TYR PRO PHE PRO GLN ALA PHE ALA VAL SEQRES 5 B 464 SER VAL HIS THR LEU GLY THR SER PRO GLU ALA THR ALA SEQRES 6 B 464 LEU ALA ILE LEU GLY ALA GLY ALA GLU ARG VAL TYR VAL SEQRES 7 B 464 LEU HIS THR PRO GLU SER ALA ARG PHE LEU PRO ARG LEU SEQRES 8 B 464 ARG GLN ASP THR GLY LYS ASP LEU TYR PRO VAL GLU ILE SEQRES 9 B 464 GLY LYS SER ASP VAL GLU ALA ILE TYR ARG GLU VAL LYS SEQRES 10 B 464 ARG LEU LEU GLU LYS HIS PRO GLU VAL PRO VAL ALA LEU SEQRES 11 B 464 ASP LEU THR SER GLY THR LYS ALA MET SER ALA GLY LEU SEQRES 12 B 464 ALA ALA ALA GLY PHE PHE PHE GLN ARG PHE TYR PRO LYS SEQRES 13 B 464 VAL ARG VAL VAL TYR VAL ASP ASN GLU ASP TYR ASP PRO SEQRES 14 B 464 GLU LEU ARG ARG PRO ARG ALA GLY THR GLU LYS LEU ARG SEQRES 15 B 464 ILE LEU PRO ASN PRO HIS GLU ALA LEU ALA GLU VAL ASP SEQRES 16 B 464 ALA LEU PHE ALA LYS GLU LEU TYR GLY LYS GLY GLU PHE SEQRES 17 B 464 GLY GLN ALA ALA ALA TYR PHE ARG GLY MET VAL GLY ARG SEQRES 18 B 464 THR GLY ASN GLN ALA TYR ALA LEU TYR ALA LEU LEU ALA SEQRES 19 B 464 GLU MET TYR ARG ALA TRP ARG ALA LEU ASP PHE GLY GLU SEQRES 20 B 464 ALA LEU LYS ALA GLY ARG LYS LEU LEU GLY GLN LEU SER SEQRES 21 B 464 GLN ASN VAL TRP LEU ASN HIS PRO LEU ASN ALA ARG ARG SEQRES 22 B 464 GLU ALA LEU GLU ALA GLN VAL ALA LEU LEU GLU ALA VAL SEQRES 23 B 464 ASP ARG PHE LEU LYS ALA ARG ASP PHE ALA LEU LYS GLU SEQRES 24 B 464 GLY VAL TYR GLY LEU ALA ARG THR LEU LEU HIS LEU ALA SEQRES 25 B 464 GLN GLU ALA LYS GLU GLU ALA ALA VAL LEU ALA ALA LEU SEQRES 26 B 464 TYR ALA TYR ARG ALA LEU GLU LEU LEU LEU GLN GLU ARG SEQRES 27 B 464 LEU ALA LEU LEU GLY ARG ARG ALA GLU ALA PRO GLY LEU SEQRES 28 B 464 SER PRO GLU GLU ALA GLU ALA LEU ARG LYS ALA LEU ALA SEQRES 29 B 464 GLU LEU LEU GLY VAL LEU PRO GLU GLU VAL ARG LEU PRO SEQRES 30 B 464 ALA LYS LEU GLY LEU LEU ASP LEU LEU ALA PHE LEU ARG SEQRES 31 B 464 LEU LYS GLY ASP GLU ALA LEU GLY ARG LEU SER LEU ALA SEQRES 32 B 464 GLU LEU ARG GLY LEU ALA GLY ALA LEU LYS GLY ARG ASN SEQRES 33 B 464 SER ALA LEU LEU VAL HIS GLY PHE ASP VAL PRO SER PRO SEQRES 34 B 464 LYS ALA VAL GLU GLY ILE ALA ARG LEU ALA GLN GLY LEU SEQRES 35 B 464 LEU GLN ASP LEU GLU ALA ARG THR ALA LEU GLY PRO LEU SEQRES 36 B 464 SER PRO GLU PRO VAL PRO LEU GLY PHE SEQRES 1 C 2 A A23 SEQRES 1 D 2 A A23 HET A23 C 4 25 HET A23 D 4 25 HETNAM A23 ADENOSINE-5'-PHOSPHATE-2',3'-CYCLIC PHOSPHATE FORMUL 3 A23 2(C10 H13 N5 O9 P2) FORMUL 5 HOH *540(H2 O) HELIX 1 AA1 ASP A 3 ALA A 17 1 15 HELIX 2 AA2 ASN A 20 VAL A 29 1 10 HELIX 3 AA3 VAL A 29 LYS A 40 1 12 HELIX 4 AA4 SER A 60 GLY A 72 1 13 HELIX 5 AA5 SER A 84 ARG A 86 5 3 HELIX 6 AA6 PHE A 87 GLY A 96 1 10 HELIX 7 AA7 ASP A 108 HIS A 123 1 16 HELIX 8 AA8 THR A 136 GLN A 151 1 16 HELIX 9 AA9 ASN A 186 LEU A 191 1 6 HELIX 10 AB1 GLU A 193 LYS A 205 1 13 HELIX 11 AB2 GLU A 207 THR A 222 1 16 HELIX 12 AB3 GLN A 225 ALA A 242 1 18 HELIX 13 AB4 ASP A 244 SER A 260 1 17 HELIX 14 AB5 GLN A 261 LEU A 265 5 5 HELIX 15 AB6 HIS A 267 ALA A 271 5 5 HELIX 16 AB7 ARG A 272 ARG A 293 1 22 HELIX 17 AB8 LEU A 297 LYS A 316 1 20 HELIX 18 AB9 ALA A 319 LEU A 342 1 24 HELIX 19 AC1 SER A 352 GLY A 368 1 17 HELIX 20 AC2 LEU A 370 VAL A 374 5 5 HELIX 21 AC3 GLY A 381 LYS A 392 1 12 HELIX 22 AC4 ASP A 394 ARG A 399 1 6 HELIX 23 AC5 SER A 401 GLY A 414 1 14 HELIX 24 AC6 SER A 428 ALA A 448 1 21 HELIX 25 AC7 GLU B 2 ALA B 17 1 16 HELIX 26 AC8 ASN B 20 VAL B 29 1 10 HELIX 27 AC9 VAL B 29 LYS B 40 1 12 HELIX 28 AD1 SER B 60 GLY B 72 1 13 HELIX 29 AD2 SER B 84 ARG B 86 5 3 HELIX 30 AD3 PHE B 87 GLY B 96 1 10 HELIX 31 AD4 ASP B 108 HIS B 123 1 16 HELIX 32 AD5 THR B 136 GLN B 151 1 16 HELIX 33 AD6 ASN B 186 LEU B 191 1 6 HELIX 34 AD7 GLU B 193 LYS B 205 1 13 HELIX 35 AD8 GLU B 207 GLY B 223 1 17 HELIX 36 AD9 GLN B 225 ALA B 242 1 18 HELIX 37 AE1 ASP B 244 SER B 260 1 17 HELIX 38 AE2 GLN B 261 LEU B 265 5 5 HELIX 39 AE3 HIS B 267 ALA B 271 5 5 HELIX 40 AE4 ARG B 272 ARG B 293 1 22 HELIX 41 AE5 LEU B 297 LYS B 316 1 20 HELIX 42 AE6 ALA B 319 LEU B 341 1 23 HELIX 43 AE7 SER B 352 GLY B 368 1 17 HELIX 44 AE8 LEU B 370 VAL B 374 5 5 HELIX 45 AE9 GLY B 381 LYS B 392 1 12 HELIX 46 AF1 ASP B 394 ARG B 399 1 6 HELIX 47 AF2 SER B 401 GLY B 414 1 14 HELIX 48 AF3 SER B 428 ALA B 448 1 21 SHEET 1 AA1 6 LEU A 99 GLU A 103 0 SHEET 2 AA1 6 ARG A 75 HIS A 80 1 N VAL A 78 O VAL A 102 SHEET 3 AA1 6 VAL A 52 LEU A 57 1 N HIS A 55 O LEU A 79 SHEET 4 AA1 6 VAL A 128 ASP A 131 1 O ASP A 131 N VAL A 54 SHEET 5 AA1 6 VAL A 157 ASP A 163 1 O ARG A 158 N LEU A 130 SHEET 6 AA1 6 LYS A 180 LEU A 184 -1 O LEU A 184 N VAL A 159 SHEET 1 AA2 2 TYR A 167 ASP A 168 0 SHEET 2 AA2 2 ARG A 173 PRO A 174 -1 O ARG A 173 N ASP A 168 SHEET 1 AA3 6 LEU B 99 GLU B 103 0 SHEET 2 AA3 6 ARG B 75 HIS B 80 1 N VAL B 78 O VAL B 102 SHEET 3 AA3 6 VAL B 52 LEU B 57 1 N SER B 53 O TYR B 77 SHEET 4 AA3 6 VAL B 128 ASP B 131 1 O ASP B 131 N VAL B 54 SHEET 5 AA3 6 VAL B 157 ASP B 163 1 O ARG B 158 N LEU B 130 SHEET 6 AA3 6 LYS B 180 LEU B 184 -1 O LEU B 184 N VAL B 159 LINK O3' A C 3 P A23 C 4 1555 1555 1.60 LINK O3' A D 3 P A23 D 4 1555 1555 1.60 CRYST1 58.240 75.120 103.690 90.00 95.95 90.00 P 1 21 1 4 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 0.017170 0.000000 0.001790 0.00000 SCALE2 0.000000 0.013312 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009696 0.00000