HEADER ANTIVIRAL PROTEIN 05-SEP-25 9SMA TITLE STRUCTURE AND MECHANISM OF THE BROAD SPECTRUM CRISPR-ASSOCIATED RING TITLE 2 NUCLEASE CRN4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CRN4A; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ACTINOMYCES PROCAPRAE; SOURCE 3 ORGANISM_TAXID: 2560010; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CRISPR, RING NUCLEASE, CYCLIC OLIGOADENYLATE, PHAGE, VIRAL PROTEIN, KEYWDS 2 CELL INVASION, ANTIVIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR S.A.MCMAHON,V.HOIKKALA,T.M.GLOSTER,M.F.WHITE REVDAT 2 14-JAN-26 9SMA 1 JRNL REVDAT 1 03-DEC-25 9SMA 0 JRNL AUTH H.CHI,V.HOIKKALA,S.MCMAHON,S.GRAHAM,T.GLOSTER,M.F.WHITE JRNL TITL STRUCTURE AND MECHANISM OF THE BROAD SPECTRUM JRNL TITL 2 CRISPR-ASSOCIATED RING NUCLEASE CRN4. JRNL REF NAT COMMUN 2025 JRNL REFN ESSN 2041-1723 JRNL PMID 41398410 JRNL DOI 10.1038/S41467-025-67607-6 REMARK 2 REMARK 2 RESOLUTION. 2.34 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0430 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.34 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.73 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 3 NUMBER OF REFLECTIONS : 12289 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.222 REMARK 3 FREE R VALUE : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.915 REMARK 3 FREE R VALUE TEST SET COUNT : 604 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.34 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.40 REMARK 3 REFLECTION IN BIN (WORKING SET) : 641 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 69.84 REMARK 3 BIN R VALUE (WORKING SET) : 0.3690 REMARK 3 BIN FREE R VALUE SET COUNT : 33 REMARK 3 BIN FREE R VALUE : 0.3550 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1897 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.04000 REMARK 3 B22 (A**2) : 0.04000 REMARK 3 B33 (A**2) : -0.13100 REMARK 3 B12 (A**2) : 0.02000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.393 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.282 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.270 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 12.385 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.938 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.888 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1947 ; 0.003 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 1879 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2685 ; 1.075 ; 1.832 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4329 ; 0.395 ; 1.731 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 250 ; 7.001 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 21 ; 8.211 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 275 ;10.979 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 317 ; 0.047 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2331 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 397 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 290 ; 0.208 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 195 ; 0.148 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 892 ; 0.162 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 92 ; 0.146 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1006 ; 2.089 ; 4.216 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1005 ; 2.086 ; 4.216 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1254 ; 3.610 ; 7.570 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1255 ; 3.609 ; 7.570 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 941 ; 2.063 ; 4.526 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 942 ; 2.061 ; 4.527 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1431 ; 3.591 ; 8.184 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1432 ; 3.589 ; 8.184 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : 1 REMARK 3 REMARK 3 NCS GROUP NUMBER : 1 REMARK 3 CHAIN NAMES : A B REMARK 3 NUMBER OF COMPONENTS NCS GROUP : 1 REMARK 3 COMPONENT C SSSEQI TO C SSSEQI CODE REMARK 3 1 A 5 A 127 NULL REMARK 3 1 B 5 B 127 NULL REMARK 3 GROUP CHAIN COUNT RMS WEIGHT REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 9SMA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-SEP-25. REMARK 100 THE DEPOSITION ID IS D_1292150710. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-FEB-24 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : DIALS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 12327 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.340 REMARK 200 RESOLUTION RANGE LOW (A) : 100.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.6 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.18200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.34 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM ACETATE PH 4.5 22 % V/V REMARK 280 PEG SMEAR BROAD, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 12.95433 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 25.90867 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 25.90867 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 12.95433 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -24.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -12.95433 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14700 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -12.95433 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 -6 REMARK 465 ALA A -5 REMARK 465 ASN A -4 REMARK 465 ALA A -3 REMARK 465 MET A -2 REMARK 465 ALA A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 THR A 2 REMARK 465 SER A 3 REMARK 465 ALA A 4 REMARK 465 ARG A 129 REMARK 465 GLY A 130 REMARK 465 ASP A 131 REMARK 465 ASP A 132 REMARK 465 ASP A 133 REMARK 465 GLY A 134 REMARK 465 ALA A 135 REMARK 465 PRO A 136 REMARK 465 GLY A 137 REMARK 465 ASP A 138 REMARK 465 LEU A 139 REMARK 465 ASP A 140 REMARK 465 GLU A 141 REMARK 465 ARG A 142 REMARK 465 ARG A 143 REMARK 465 ARG A 144 REMARK 465 ALA A 145 REMARK 465 GLU A 146 REMARK 465 GLY A 147 REMARK 465 GLU A 148 REMARK 465 ARG A 149 REMARK 465 GLY B -6 REMARK 465 ALA B -5 REMARK 465 ASN B -4 REMARK 465 ALA B -3 REMARK 465 MET B -2 REMARK 465 ALA B -1 REMARK 465 HIS B 0 REMARK 465 MET B 1 REMARK 465 THR B 2 REMARK 465 ASP B 131 REMARK 465 ASP B 132 REMARK 465 ASP B 133 REMARK 465 GLY B 134 REMARK 465 ALA B 135 REMARK 465 PRO B 136 REMARK 465 GLY B 137 REMARK 465 ASP B 138 REMARK 465 LEU B 139 REMARK 465 ASP B 140 REMARK 465 GLU B 141 REMARK 465 ARG B 142 REMARK 465 ARG B 143 REMARK 465 ARG B 144 REMARK 465 ALA B 145 REMARK 465 GLU B 146 REMARK 465 GLY B 147 REMARK 465 GLU B 148 REMARK 465 ARG B 149 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ARG A 43 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 76 CG OD1 OD2 REMARK 470 ARG A 83 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 53 CG CD OE1 OE2 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 OE2 GLU B 41 OE2 GLU B 41 5555 1.69 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 GLU B 45 -167.18 -129.39 REMARK 500 THR B 71 -153.36 -143.27 REMARK 500 ARG B 129 -0.76 91.05 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 A 101 0.15 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 9SMA A -6 149 PDB 9SMA 9SMA -6 149 DBREF 9SMA B -6 149 PDB 9SMA 9SMA -6 149 SEQRES 1 A 156 GLY ALA ASN ALA MET ALA HIS MET THR SER ALA THR PRO SEQRES 2 A 156 VAL THR LEU VAL ASN LEU THR PRO HIS GLU VAL ILE LEU SEQRES 3 A 156 HIS LEU ASP GLY GLY PRO LEU ARG LEU PRO GLY ALA ASP SEQRES 4 A 156 VAL VAL PRO ARG LEU LEU LEU SER GLU GLY ARG GLN GLU SEQRES 5 A 156 THR LEU ALA VAL TYR ASP PRO GLU ARG PRO GLY GLU ALA SEQRES 6 A 156 ALA VAL ALA ARG GLU VAL PRO ILE ALA VAL GLY ALA THR SEQRES 7 A 156 TRP LEU GLY ILE ASP PRO PRO LEU PRO GLU PRO ARG PRO SEQRES 8 A 156 GLY THR VAL TYR VAL THR SER ARG VAL VAL ALA GLU HIS SEQRES 9 A 156 PHE PRO GLU ARG THR ASP LEU VAL TRP PRO ASP ASP LEU SEQRES 10 A 156 ILE ARG ASP ALA ASP GLY GLN VAL VAL GLY ALA ARG ARG SEQRES 11 A 156 LEU GLY CYS LEU PRO ARG GLY ASP ASP ASP GLY ALA PRO SEQRES 12 A 156 GLY ASP LEU ASP GLU ARG ARG ARG ALA GLU GLY GLU ARG SEQRES 1 B 156 GLY ALA ASN ALA MET ALA HIS MET THR SER ALA THR PRO SEQRES 2 B 156 VAL THR LEU VAL ASN LEU THR PRO HIS GLU VAL ILE LEU SEQRES 3 B 156 HIS LEU ASP GLY GLY PRO LEU ARG LEU PRO GLY ALA ASP SEQRES 4 B 156 VAL VAL PRO ARG LEU LEU LEU SER GLU GLY ARG GLN GLU SEQRES 5 B 156 THR LEU ALA VAL TYR ASP PRO GLU ARG PRO GLY GLU ALA SEQRES 6 B 156 ALA VAL ALA ARG GLU VAL PRO ILE ALA VAL GLY ALA THR SEQRES 7 B 156 TRP LEU GLY ILE ASP PRO PRO LEU PRO GLU PRO ARG PRO SEQRES 8 B 156 GLY THR VAL TYR VAL THR SER ARG VAL VAL ALA GLU HIS SEQRES 9 B 156 PHE PRO GLU ARG THR ASP LEU VAL TRP PRO ASP ASP LEU SEQRES 10 B 156 ILE ARG ASP ALA ASP GLY GLN VAL VAL GLY ALA ARG ARG SEQRES 11 B 156 LEU GLY CYS LEU PRO ARG GLY ASP ASP ASP GLY ALA PRO SEQRES 12 B 156 GLY ASP LEU ASP GLU ARG ARG ARG ALA GLU GLY GLU ARG FORMUL 3 HOH *93(H2 O) HELIX 1 AA1 GLU A 57 ALA A 61 5 5 HELIX 2 AA2 SER A 91 PHE A 98 1 8 HELIX 3 AA3 GLU B 57 ALA B 61 5 5 HELIX 4 AA4 SER B 91 PHE B 98 1 8 SHEET 1 AA1 4 THR A 8 ASN A 11 0 SHEET 2 AA1 4 THR A 86 VAL A 89 1 O VAL A 89 N VAL A 10 SHEET 3 AA1 4 LEU A 104 ARG A 112 1 O VAL A 105 N TYR A 88 SHEET 4 AA1 4 VAL A 118 GLY A 125 -1 O VAL A 119 N ILE A 111 SHEET 1 AA2 2 VAL A 17 LEU A 19 0 SHEET 2 AA2 2 LEU A 26 LEU A 28 -1 O LEU A 26 N LEU A 19 SHEET 1 AA3 2 LEU A 37 SER A 40 0 SHEET 2 AA3 2 THR A 71 ILE A 75 -1 O GLY A 74 N LEU A 38 SHEET 1 AA4 2 ARG A 43 VAL A 49 0 SHEET 2 AA4 2 ARG A 62 VAL A 68 -1 O ARG A 62 N VAL A 49 SHEET 1 AA5 4 THR B 8 ASN B 11 0 SHEET 2 AA5 4 THR B 86 VAL B 89 1 O VAL B 89 N VAL B 10 SHEET 3 AA5 4 LEU B 104 ARG B 112 1 O VAL B 105 N TYR B 88 SHEET 4 AA5 4 VAL B 118 GLY B 125 -1 O VAL B 119 N ILE B 111 SHEET 1 AA6 2 VAL B 17 LEU B 19 0 SHEET 2 AA6 2 LEU B 26 LEU B 28 -1 O LEU B 26 N LEU B 19 SHEET 1 AA7 2 LEU B 37 SER B 40 0 SHEET 2 AA7 2 THR B 71 ILE B 75 -1 O THR B 71 N SER B 40 SHEET 1 AA8 2 ARG B 43 VAL B 49 0 SHEET 2 AA8 2 ARG B 62 VAL B 68 -1 O ILE B 66 N GLU B 45 CRYST1 116.314 116.314 38.863 90.00 90.00 120.00 P 31 2 1 12 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 0.008597 0.004964 0.000000 0.00000 SCALE2 0.000000 0.009927 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025731 0.00000 TER 931 PRO A 128 TER 1899 GLY B 130 HETATM 1900 O HOH A 201 31.048 -3.375 -26.972 1.00 42.24 O0 HETATM 1901 O HOH A 202 35.294 -22.479 -14.529 1.00 30.11 O0 HETATM 1902 O HOH A 203 41.589 35.566 -0.158 1.00 31.20 O0 HETATM 1903 O HOH A 204 35.848 -20.372 1.240 1.00 32.36 O0 HETATM 1904 O HOH A 205 43.859 -8.839 -12.276 1.00 37.12 O0 HETATM 1905 O HOH A 206 37.848 -16.725 -18.217 1.00 39.97 O0 HETATM 1906 O HOH A 207 37.569 -10.033 -11.352 1.00 27.06 O0 HETATM 1907 O HOH A 208 39.239 29.810 -5.719 1.00 23.61 O0 HETATM 1908 O HOH A 209 39.699 -10.886 -9.577 1.00 32.90 O0 HETATM 1909 O HOH A 210 28.790 -26.778 -17.237 1.00 31.40 O0 HETATM 1910 O HOH A 211 35.814 30.688 -1.403 1.00 27.29 O0 HETATM 1911 O HOH A 212 41.876 27.590 -5.293 1.00 32.95 O0 HETATM 1912 O HOH A 213 38.630 37.956 4.059 1.00 37.79 O0 HETATM 1913 O HOH A 214 44.714 -12.838 -9.606 1.00 31.52 O0 HETATM 1914 O HOH A 215 37.065 -9.409 3.266 1.00 42.63 O0 HETATM 1915 O HOH A 216 33.935 24.306 0.063 1.00 32.39 O0 HETATM 1916 O HOH A 217 42.197 -22.977 -13.183 1.00 35.76 O0 HETATM 1917 O HOH A 218 34.940 -8.582 0.383 1.00 38.52 O0 HETATM 1918 O HOH A 219 25.754 -4.096 -25.961 1.00 61.49 O0 HETATM 1919 O HOH A 220 31.626 -3.977 -13.935 1.00 44.20 O0 HETATM 1920 O HOH A 221 31.510 -6.473 -7.193 1.00 37.04 O0 HETATM 1921 O HOH A 222 22.994 -12.213 -8.404 1.00 39.86 O0 HETATM 1922 O HOH A 223 43.924 -16.843 -2.061 1.00 43.82 O0 HETATM 1923 O HOH A 224 43.085 -10.609 -10.863 1.00 34.04 O0 HETATM 1924 O HOH A 225 31.922 -8.560 -16.139 1.00 34.21 O0 HETATM 1925 O HOH A 226 34.814 28.558 -11.137 1.00 27.45 O0 HETATM 1926 O HOH A 227 18.254 -13.520 -21.498 1.00 46.05 O0 HETATM 1927 O HOH A 228 42.130 -23.520 -10.704 1.00 31.65 O0 HETATM 1928 O HOH A 229 23.577 -27.343 -12.039 1.00 46.44 O0 HETATM 1929 O HOH A 230 44.814 -18.548 -14.049 1.00 42.86 O0 HETATM 1930 O HOH A 231 28.721 -11.436 -25.866 1.00 42.59 O0 HETATM 1931 O HOH A 232 36.424 -18.520 -17.104 1.00 41.82 O0 HETATM 1932 O HOH A 233 23.346 -19.092 -8.848 1.00 49.56 O0 HETATM 1933 O HOH A 234 43.580 -26.069 1.924 1.00 36.02 O0 HETATM 1934 O HOH A 235 28.952 31.760 -12.173 1.00 43.47 O0 HETATM 1935 O HOH A 236 40.389 -13.093 -6.252 1.00 32.68 O0 HETATM 1936 O HOH A 237 34.076 -8.916 -9.867 1.00 43.85 O0 HETATM 1937 O HOH A 238 20.208 -14.427 -7.716 1.00 44.84 O0 HETATM 1938 O HOH A 239 17.831 18.028 -11.761 1.00 39.88 O0 HETATM 1939 O HOH A 240 32.305 11.931 -19.221 1.00 53.55 O0 HETATM 1940 O HOH A 241 35.327 -23.143 0.989 1.00 42.25 O0 HETATM 1941 O HOH A 242 32.202 -9.149 2.355 1.00 48.37 O0 HETATM 1942 O HOH A 243 37.554 -20.726 -15.374 1.00 36.41 O0 HETATM 1943 O HOH B 201 66.774 -20.378 -14.278 1.00 19.44 O0 HETATM 1944 O HOH B 202 55.801 -20.475 -6.491 1.00 39.33 O0 HETATM 1945 O HOH B 203 45.640 -18.358 -16.353 1.00 29.16 O0 HETATM 1946 O HOH B 204 46.499 -6.866 -26.640 1.00 37.74 O0 HETATM 1947 O HOH B 205 62.579 -24.997 -20.538 1.00 27.47 O0 HETATM 1948 O HOH B 206 49.255 -8.900 -5.386 1.00 40.53 O0 HETATM 1949 O HOH B 207 51.513 -10.809 -11.243 1.00 32.57 O0 HETATM 1950 O HOH B 208 64.430 26.480 11.309 1.00 39.02 O0 HETATM 1951 O HOH B 209 69.186 -23.049 -30.789 1.00 39.02 O0 HETATM 1952 O HOH B 210 66.900 10.722 11.954 1.00 29.74 O0 HETATM 1953 O HOH B 211 69.702 0.089 11.036 1.00 38.28 O0 HETATM 1954 O HOH B 212 66.675 -9.335 -14.021 1.00 18.97 O0 HETATM 1955 O HOH B 213 53.242 25.186 5.599 1.00 42.04 O0 HETATM 1956 O HOH B 214 57.817 -13.155 -6.486 1.00 23.24 O0 HETATM 1957 O HOH B 215 53.659 30.437 11.847 1.00 40.85 O0 HETATM 1958 O HOH B 216 53.654 -6.854 -27.136 1.00 41.00 O0 HETATM 1959 O HOH B 217 57.563 -8.388 -4.489 1.00 33.03 O0 HETATM 1960 O HOH B 218 56.734 21.323 7.975 1.00 33.67 O0 HETATM 1961 O HOH B 219 67.253 -20.458 -4.193 1.00 36.15 O0 HETATM 1962 O HOH B 220 44.105 -11.977 -14.871 1.00 30.26 O0 HETATM 1963 O HOH B 221 64.285 -24.737 -5.960 1.00 34.43 O0 HETATM 1964 O HOH B 222 46.952 -16.895 -27.952 1.00 39.73 O0 HETATM 1965 O HOH B 223 55.590 -22.980 -16.351 1.00 38.84 O0 HETATM 1966 O HOH B 224 57.826 -25.394 -21.216 1.00 27.96 O0 HETATM 1967 O HOH B 225 49.355 -16.622 -4.152 1.00 39.42 O0 HETATM 1968 O HOH B 226 58.465 -7.003 0.686 1.00 44.45 O0 HETATM 1969 O HOH B 227 62.745 -20.354 -34.836 1.00 41.02 O0 HETATM 1970 O HOH B 228 61.086 -25.057 -14.919 1.00 34.47 O0 HETATM 1971 O HOH B 229 57.315 -5.022 -10.493 1.00 26.61 O0 HETATM 1972 O HOH B 230 58.727 -8.466 -2.153 1.00 35.95 O0 HETATM 1973 O HOH B 231 67.687 -9.856 -11.504 1.00 20.05 O0 HETATM 1974 O HOH B 232 66.609 -23.765 -32.378 1.00 49.82 O0 HETATM 1975 O HOH B 233 69.905 -9.699 -13.132 1.00 37.88 O0 HETATM 1976 O HOH B 234 50.583 18.424 13.029 1.00 42.47 O0 HETATM 1977 O HOH B 235 56.257 -3.044 -25.429 1.00 31.72 O0 HETATM 1978 O HOH B 236 53.972 -0.372 -16.853 1.00 30.97 O0 HETATM 1979 O HOH B 237 61.212 -1.183 -8.116 1.00 33.99 O0 HETATM 1980 O HOH B 238 80.662 -8.231 -19.037 1.00 40.09 O0 HETATM 1981 O HOH B 239 70.401 -17.038 -12.403 1.00 34.52 O0 HETATM 1982 O HOH B 240 46.072 -3.500 -10.620 1.00 42.38 O0 HETATM 1983 O HOH B 241 50.019 -0.307 -22.216 1.00 35.28 O0 HETATM 1984 O HOH B 242 53.225 -22.232 -6.292 1.00 45.60 O0 HETATM 1985 O HOH B 243 50.793 -4.941 -27.517 1.00 42.37 O0 HETATM 1986 O HOH B 244 58.029 -4.462 -7.990 1.00 25.45 O0 HETATM 1987 O HOH B 245 66.090 -22.979 -3.195 1.00 49.35 O0 HETATM 1988 O HOH B 246 47.529 -21.968 -11.184 1.00 39.79 O0 HETATM 1989 O HOH B 247 49.839 -6.873 -29.246 1.00 37.69 O0 HETATM 1990 O HOH B 248 55.578 -11.489 -6.509 1.00 38.38 O0 HETATM 1991 O HOH B 249 57.305 -2.465 -12.189 1.00 38.94 O0 HETATM 1992 O HOH B 250 65.576 -23.428 -0.668 1.00 38.85 O0 MASTER 405 0 0 4 20 0 0 6 1990 2 0 24 END