HEADER HYDROLASE 09-AUG-07 2Z70 TITLE E.COLI RNASE 1 IN COMPLEX WITH D(CGCGATCGCG) COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*DCP*DGP*DCP*DGP*DAP*DTP*DCP*DGP*DCP*DG)-3'); COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: RIBONUCLEASE I; COMPND 7 CHAIN: A; COMPND 8 SYNONYM: ENTEROBACTER RIBONUCLEASE, RNASE I; COMPND 9 EC: 3.1.27.6; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: NUCLEOTIDE SYNTHESIS; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 6 ORGANISM_TAXID: 562; SOURCE 7 GENE: RNA, RNSA; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 11 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PET-14B KEYWDS RIBONUCLEASE, HYDROLASE, ENDONUCLEASE EXPDTA X-RAY DIFFRACTION AUTHOR S.MARTINEZ-RODRIGUEZ,R.LORIS,J.MESSENS REVDAT 5 01-NOV-23 2Z70 1 REMARK REVDAT 4 13-JUL-11 2Z70 1 VERSN REVDAT 3 24-FEB-09 2Z70 1 VERSN REVDAT 2 12-AUG-08 2Z70 1 ATOM REVDAT 1 24-JUN-08 2Z70 0 JRNL AUTH S.M.RODRIGUEZ,S.PANJIKAR,K.VAN BELLE,L.WYNS,J.MESSENS, JRNL AUTH 2 R.LORIS JRNL TITL NONSPECIFIC BASE RECOGNITION MEDIATED BY WATER BRIDGES AND JRNL TITL 2 HYDROPHOBIC STACKING IN RIBONUCLEASE I FROM ESCHERICHIA COLI JRNL REF PROTEIN SCI. V. 17 681 2008 JRNL REFN ISSN 0961-8368 JRNL PMID 18305191 JRNL DOI 10.1110/PS.073420708 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 26505 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.194 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2228 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.74 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1912 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 BIN R VALUE (WORKING SET) : 0.2690 REMARK 3 BIN FREE R VALUE SET COUNT : 156 REMARK 3 BIN FREE R VALUE : 0.3410 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1837 REMARK 3 NUCLEIC ACID ATOMS : 68 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 281 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.33 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.05000 REMARK 3 B22 (A**2) : 0.52000 REMARK 3 B33 (A**2) : -0.47000 REMARK 3 B12 (A**2) : 0.00000 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): 0.118 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.119 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.074 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.197 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.956 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.933 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2005 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2744 ; 1.357 ; 1.984 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 264 ; 6.019 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 85 ;39.076 ;25.059 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 313 ;12.091 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;18.579 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 289 ; 0.090 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1555 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1018 ; 0.214 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1391 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 219 ; 0.176 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 5 ; 0.108 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 69 ; 0.206 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 55 ; 0.194 ; 0.200 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): 1279 ; 0.913 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1996 ; 1.424 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 854 ; 2.207 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 739 ; 3.313 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL 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 REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2Z70 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000027600. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-OCT-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8125 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28734 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 4.340 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.31900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.200 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: PDB ENTRY 2PQX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG8000, 0.1M SODIUM ACETATE, 1MM REMARK 280 MGCL2, 0.1M MES, PH6.1, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-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 17.77800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 71.55400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.87900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 71.55400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 17.77800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 24.87900 REMARK 290 SMTRY3 4 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 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 DC B 1 REMARK 465 DA B 8 REMARK 465 DC B 9 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 DG B 2 P OP1 OP2 O5' P OP1 OP2 REMARK 470 DG B 2 O5' REMARK 470 DG B 4 C5' C4' O4' C3' O3' C2' C1' REMARK 470 DG B 4 N9 C8 N7 C5 C6 O6 N1 REMARK 470 DG B 4 C2 N2 N3 C4 REMARK 470 DG B 10 P OP1 OP2 O5' C5' C4' O4' REMARK 470 DG B 10 C3' O3' C2' C1' REMARK 470 LEU A 1 CB CG CD1 CD2 REMARK 470 GLN A 4 OE1 NE2 REMARK 470 ARG A 31 CZ NH1 NH2 REMARK 470 ARG A 33 CZ NH1 NH2 REMARK 470 ASN A 34 CG OD1 ND2 REMARK 470 ARG A 36 CZ NH1 NH2 REMARK 470 ARG A 40 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 42 OE1 NE2 REMARK 470 THR A 46 OG1 CG2 REMARK 470 LYS A 63 CE NZ REMARK 470 ARG A 73 CD NE CZ NH1 NH2 REMARK 470 ARG A 74 CZ NH1 NH2 REMARK 470 ARG A 77 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 92 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 95 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 111 CE NZ REMARK 470 ARG A 122 NE CZ NH1 NH2 REMARK 470 LYS A 162 CE NZ REMARK 470 LYS A 191 CE NZ REMARK 470 GLN A 198 CD OE1 NE2 REMARK 470 LYS A 236 NZ REMARK 470 LYS A 242 CE NZ 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 TRP A 185 CB TRP A 185 CG 0.113 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 DG B 2 C3' - C2' - C1' ANGL. DEV. = -6.0 DEGREES REMARK 500 DT B 2 C1' - O4' - C4' ANGL. DEV. = -7.4 DEGREES REMARK 500 DT B 2 O4' - C1' - C2' ANGL. DEV. = -5.0 DEGREES REMARK 500 DT B 2 O4' - C1' - N1 ANGL. DEV. = 4.6 DEGREES REMARK 500 DC B 3 O4' - C1' - N1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 174 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES 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 CA A 246 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLN A 26 OE1 REMARK 620 2 ASP A 241 OD1 90.9 REMARK 620 3 ASP A 241 OD2 108.7 52.3 REMARK 620 4 LYS A 242 O 171.2 93.9 80.0 REMARK 620 5 GLY A 244 O 83.4 155.0 152.2 89.2 REMARK 620 6 HOH A 247 O 90.8 75.3 123.0 83.4 80.4 REMARK 620 7 HOH A 467 O 92.6 123.9 73.8 90.8 80.9 160.5 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 246 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2PQX RELATED DB: PDB REMARK 900 LIGAND-FREE RNASE 1 STRUCTURE DBREF 2Z70 A 1 245 UNP P21338 RNI_ECOLI 24 268 DBREF 2Z70 B 1 10 PDB 2Z70 2Z70 1 10 SEQRES 1 B 7 DC DG DC DG DA DC DG SEQRES 1 A 245 LEU ALA LEU GLN ALA LYS GLN TYR GLY ASP PHE ASP ARG SEQRES 2 A 245 TYR VAL LEU ALA LEU SER TRP GLN THR GLY PHE CYS GLN SEQRES 3 A 245 SER GLN HIS ASP ARG ASN ARG ASN GLU ARG ASP GLU CYS SEQRES 4 A 245 ARG LEU GLN THR GLU THR THR ASN LYS ALA ASP PHE LEU SEQRES 5 A 245 THR VAL HIS GLY LEU TRP PRO GLY LEU PRO LYS SER VAL SEQRES 6 A 245 ALA ALA ARG GLY VAL ASP GLU ARG ARG TRP MET ARG PHE SEQRES 7 A 245 GLY CYS ALA THR ARG PRO ILE PRO ASN LEU PRO GLU ALA SEQRES 8 A 245 ARG ALA SER ARG MET CYS SER SER PRO GLU THR GLY LEU SEQRES 9 A 245 SER LEU GLU THR ALA ALA LYS LEU SER GLU VAL MET PRO SEQRES 10 A 245 GLY ALA GLY GLY ARG SER CYS LEU GLU ARG TYR GLU TYR SEQRES 11 A 245 ALA LYS HIS GLY ALA CYS PHE GLY PHE ASP PRO ASP ALA SEQRES 12 A 245 TYR PHE GLY THR MET VAL ARG LEU ASN GLN GLU ILE LYS SEQRES 13 A 245 GLU SER GLU ALA GLY LYS PHE LEU ALA ASP ASN TYR GLY SEQRES 14 A 245 LYS THR VAL SER ARG ARG ASP PHE ASP ALA ALA PHE ALA SEQRES 15 A 245 LYS SER TRP GLY LYS GLU ASN VAL LYS ALA VAL LYS LEU SEQRES 16 A 245 THR CYS GLN GLY ASN PRO ALA TYR LEU THR GLU ILE GLN SEQRES 17 A 245 ILE SER ILE LYS ALA ASP ALA ILE ASN ALA PRO LEU SER SEQRES 18 A 245 ALA ASN SER PHE LEU PRO GLN PRO HIS PRO GLY ASN CYS SEQRES 19 A 245 GLY LYS THR PHE VAL ILE ASP LYS ALA GLY TYR HET CA A 246 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *281(H2 O) HELIX 1 1 GLN A 21 ARG A 31 1 11 HELIX 2 2 ARG A 36 LEU A 41 1 6 HELIX 3 3 ASN A 47 ASP A 50 5 4 HELIX 4 4 PRO A 62 ALA A 67 1 6 HELIX 5 5 ASP A 71 GLY A 79 1 9 HELIX 6 6 CYS A 80 THR A 82 5 3 HELIX 7 7 ARG A 92 SER A 99 5 8 HELIX 8 8 SER A 105 MET A 116 1 12 HELIX 9 9 CYS A 124 GLY A 134 1 11 HELIX 10 10 ALA A 135 GLY A 138 5 4 HELIX 11 11 ASP A 140 SER A 158 1 19 HELIX 12 12 SER A 158 ASN A 167 1 10 HELIX 13 13 ARG A 174 GLY A 186 1 13 HELIX 14 14 LYS A 187 LYS A 191 5 5 HELIX 15 15 ASP A 214 ILE A 216 5 3 SHEET 1 A 4 LEU A 52 PRO A 59 0 SHEET 2 A 4 ARG A 13 TRP A 20 -1 N VAL A 15 O TRP A 58 SHEET 3 A 4 TYR A 203 LYS A 212 -1 O ILE A 207 N LEU A 18 SHEET 4 A 4 VAL A 193 GLN A 198 -1 N THR A 196 O THR A 205 SHEET 1 B 2 THR A 171 SER A 173 0 SHEET 2 B 2 THR A 237 VAL A 239 -1 O PHE A 238 N VAL A 172 SSBOND 1 CYS A 25 CYS A 39 1555 1555 2.04 SSBOND 2 CYS A 80 CYS A 136 1555 1555 2.09 SSBOND 3 CYS A 97 CYS A 124 1555 1555 2.02 SSBOND 4 CYS A 197 CYS A 234 1555 1555 2.05 LINK OE1 GLN A 26 CA CA A 246 1555 1555 2.25 LINK OD1 ASP A 241 CA CA A 246 1555 1555 2.53 LINK OD2 ASP A 241 CA CA A 246 1555 1555 2.43 LINK O LYS A 242 CA CA A 246 1555 1555 2.33 LINK O GLY A 244 CA CA A 246 1555 1555 2.34 LINK CA CA A 246 O HOH A 247 1555 1555 2.40 LINK CA CA A 246 O HOH A 467 1555 1555 2.31 CISPEP 1 ARG A 83 PRO A 84 0 7.29 CISPEP 2 ILE A 85 PRO A 86 0 -2.08 CISPEP 3 ASN A 200 PRO A 201 0 -2.13 SITE 1 AC1 6 GLN A 26 ASP A 241 LYS A 242 GLY A 244 SITE 2 AC1 6 HOH A 247 HOH A 467 CRYST1 35.556 49.758 143.108 90.00 90.00 90.00 P 21 21 21 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 0.028125 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020097 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006988 0.00000