HEADER DNA 21-MAR-00 1ENN TITLE SOLVENT ORGANIZATION IN AN OLIGONUCLEOTIDE CRYSTAL: THE STRUCTURE OF TITLE 2 D(GCGAATTCG)2 AT ATOMIC RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*GP*CP*GP*AP*AP*TP*TP*CP*G)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS B-DNA, ATOMIC RESOLUTION, IONS, HYDRATION, BASE TRIPLET, DNA EXPDTA X-RAY DIFFRACTION AUTHOR M.SOLER-LOPEZ,L.MALININA,J.A.SUBIRANA REVDAT 6 07-FEB-24 1ENN 1 REMARK LINK REVDAT 5 24-FEB-09 1ENN 1 VERSN REVDAT 4 01-APR-03 1ENN 1 JRNL REVDAT 3 20-JUL-01 1ENN 1 REVDAT REVDAT 2 21-APR-01 1ENN 1 JRNL REMARK REVDAT 1 03-MAY-00 1ENN 0 SPRSDE 20-JUL-01 1ENN 475D JRNL AUTH M.SOLER-LOPEZ,L.MALININA,J.A.SUBIRANA JRNL TITL SOLVENT ORGANIZATION IN AN OLIGONUCLEOTIDE CRYSTAL. THE JRNL TITL 2 STRUCTURE OF D(GCGAATTCG)2 AT ATOMIC RESOLUTION. JRNL REF J.BIOL.CHEM. V. 275 23034 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10749874 JRNL DOI 10.1074/JBC.M002119200 REMARK 2 REMARK 2 RESOLUTION. 0.89 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.89 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.140 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.135 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.161 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 3201 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 32479 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 366 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 151 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.017 REMARK 3 ANGLE DISTANCES (A) : 2.600 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 'OXYGEN ATOMS' 179, 180, 181 REPRESENT REMARK 3 ADDITIONAL PEAKS OF ELECTRON DENSITY FOUND AT DISTANCES 0.9-1.4 REMARK 3 A FROM EITHER ATOM OF THE PHOSPHATE GROUPS 9, 12, 14. MOST REMARK 3 LIKELY, THESE THREE 'OXYGENS' ARE A SIGN OF DISORDER OF THESE REMARK 3 PHOSPHATES AND WERE REFINED AS OXYGEN ATOMS. REMARK 4 REMARK 4 1ENN COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAR-00. REMARK 100 THE DEPOSITION ID IS D_1000010748. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-AUG-98 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.1 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) : 0.9076 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32684 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.890 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.89 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 59.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.43 REMARK 200 R MERGE FOR SHELL (I) : 0.30000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ACRIDINE-(ARG)4 ADDUCT, CACODYLATE, REMARK 280 MGCL2, MPD, PH 7.1, VAPOR DIFFUSION AT 293K, VAPOR DIFFUSION 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 10.96900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 26.36400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.27000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 26.36400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 10.96900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 18.27000 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 APPLY THE FOLLOWING TO CHAINS: A, 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 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 O3' DA B 13 O O B 179 1.81 REMARK 500 O5' DG A 9 O O A 180 1.87 REMARK 500 O3' DC A 8 O O A 180 1.87 REMARK 500 O O B 179 O HOH B 59 1.87 REMARK 500 O HOH A 148 O HOH A 149 1.94 REMARK 500 C5' DG A 9 O O A 180 1.97 REMARK 500 O5' DG B 12 O O B 181 1.97 REMARK 500 O3' DC B 11 O O B 181 2.11 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 A 27 O HOH A 143 1455 1.58 REMARK 500 O HOH A 30 O HOH A 143 1455 1.80 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 DG A 1 C5' DG A 1 C4' 0.059 REMARK 500 DG A 1 O3' DC A 2 P -0.080 REMARK 500 DC A 2 P DC A 2 O5' 0.067 REMARK 500 DC B 11 P DC B 11 O5' 0.107 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 A 1 O5' - C5' - C4' ANGL. DEV. = -6.0 DEGREES REMARK 500 DG A 1 C3' - O3' - P ANGL. DEV. = 10.3 DEGREES REMARK 500 DC A 2 O5' - P - OP1 ANGL. DEV. = -5.8 DEGREES REMARK 500 DC A 2 O5' - P - OP1 ANGL. DEV. = 12.9 DEGREES REMARK 500 DC A 2 P - O5' - C5' ANGL. DEV. = 17.3 DEGREES REMARK 500 DC A 2 P - O5' - C5' ANGL. DEV. = -11.9 DEGREES REMARK 500 DT A 6 C3' - O3' - P ANGL. DEV. = 22.7 DEGREES REMARK 500 DT A 7 P - O5' - C5' ANGL. DEV. = -9.9 DEGREES REMARK 500 DG B 10 O4' - C1' - N9 ANGL. DEV. = 2.3 DEGREES REMARK 500 DG B 10 C3' - O3' - P ANGL. DEV. = 7.6 DEGREES REMARK 500 DC B 11 O3' - P - O5' ANGL. DEV. = -13.0 DEGREES REMARK 500 DC B 11 O3' - P - OP2 ANGL. DEV. = 7.3 DEGREES REMARK 500 DC B 11 O5' - C5' - C4' ANGL. DEV. = -7.0 DEGREES REMARK 500 DC B 11 P - O5' - C5' ANGL. DEV. = 16.5 DEGREES REMARK 500 DC B 11 O4' - C1' - C2' ANGL. DEV. = -7.5 DEGREES REMARK 500 DC B 11 O4' - C1' - N1 ANGL. DEV. = -7.7 DEGREES REMARK 500 DG B 18 P - O5' - C5' ANGL. DEV. = 13.3 DEGREES 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 DC A 2 0.07 SIDE CHAIN REMARK 500 DT A 7 0.06 SIDE CHAIN REMARK 500 DT B 16 0.07 SIDE CHAIN 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 A 26 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG A 1 N7 REMARK 620 2 HOH A 27 O 172.4 REMARK 620 3 HOH A 28 O 90.0 93.7 REMARK 620 4 HOH A 29 O 87.9 88.3 177.7 REMARK 620 5 HOH A 30 O 84.2 89.2 88.7 90.1 REMARK 620 6 HOH A 143 O 132.2 42.1 81.8 98.9 48.9 REMARK 620 7 DG B 12 OP1 95.0 91.4 93.9 87.3 177.3 132.2 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 38 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DA A 4 OP2 REMARK 620 2 HOH A 39 O 90.3 REMARK 620 3 HOH A 40 O 96.5 172.0 REMARK 620 4 HOH A 41 O 177.3 91.5 81.6 REMARK 620 5 HOH A 42 O 94.3 83.3 100.4 87.8 REMARK 620 6 HOH A 43 O 91.8 88.1 87.5 86.3 169.4 REMARK 620 7 HOH A 43 O 93.5 69.7 105.6 85.3 151.8 18.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 19 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 20 O REMARK 620 2 HOH A 22 O 86.2 REMARK 620 3 HOH A 24 O 92.1 89.5 REMARK 620 4 HOH A 25 O 92.1 177.1 88.3 REMARK 620 5 HOH B 21 O 86.3 94.6 175.5 87.6 REMARK 620 6 HOH B 23 O 174.9 89.8 91.0 92.1 90.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 31 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 34 O REMARK 620 2 HOH B 32 O 88.6 REMARK 620 3 HOH B 33 O 83.6 90.4 REMARK 620 4 HOH B 35 O 175.3 86.7 95.8 REMARK 620 5 HOH B 36 O 95.0 169.5 80.3 89.5 REMARK 620 6 HOH B 36 O 90.5 156.4 113.0 94.0 33.7 REMARK 620 7 HOH B 37 O 90.7 95.5 171.7 90.3 94.3 60.8 REMARK 620 8 HOH B 37 O 82.1 64.7 151.5 96.4 125.5 91.8 31.9 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 44 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 45 O REMARK 620 2 HOH A 48 O 85.4 REMARK 620 3 HOH A 176 O 87.5 81.2 REMARK 620 4 HOH B 46 O 90.6 97.8 177.9 REMARK 620 5 HOH B 47 O 157.3 72.3 93.5 88.0 REMARK 620 6 HOH B 171 O 92.5 177.6 97.5 83.4 109.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 50 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 90 O REMARK 620 2 HOH A 158 O 82.5 REMARK 620 3 HOH A 158 O 84.2 37.2 REMARK 620 4 HOH A 177 O 81.2 86.1 49.4 REMARK 620 5 HOH B 160 O 169.2 104.4 96.3 90.9 REMARK 620 6 HOH B 160 O 141.3 100.7 121.4 137.3 46.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 49 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 52 O REMARK 620 2 HOH A 58 O 87.7 REMARK 620 3 HOH B 53 O 94.5 169.4 REMARK 620 4 HOH B 54 O 83.4 87.9 82.0 REMARK 620 5 HOH B 56 O 117.8 96.7 91.5 158.4 REMARK 620 6 HOH B 57 O 69.6 127.2 63.1 132.7 58.8 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 19 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 26 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 31 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 38 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 44 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 49 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 50 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 51 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE O B 179 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE O A 180 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE O B 181 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: BD0016 RELATED DB: NDB REMARK 900 PRELIMINARY REFINEMENT OF THIS STRUCTURE DBREF 1ENN A 1 9 PDB 1ENN 1ENN 1 9 DBREF 1ENN B 10 18 PDB 1ENN 1ENN 10 18 SEQRES 1 A 9 DG DC DG DA DA DT DT DC DG SEQRES 1 B 9 DG DC DG DA DA DT DT DC DG HET MG A 19 1 HET MG A 26 1 HET MG A 31 1 HET MG A 38 1 HET MG A 50 1 HET CL A 51 1 HET O A 180 1 HET MG B 44 1 HET MG B 49 1 HET O B 179 1 HET O B 181 1 HETNAM MG MAGNESIUM ION HETNAM CL CHLORIDE ION HETNAM O OXYGEN ATOM FORMUL 3 MG 7(MG 2+) FORMUL 8 CL CL 1- FORMUL 9 O 3(O) FORMUL 14 HOH *151(H2 O) LINK OP1 DG A 9 O O A 180 1555 1555 1.39 LINK P DG A 9 O O A 180 1555 1555 1.50 LINK P DG B 12 O O B 181 1555 1555 1.37 LINK OP2 DG B 12 O O B 181 1555 1555 0.96 LINK OP1 DA B 14 O O B 179 1555 1555 1.10 LINK P DA B 14 O O B 179 1555 1555 1.69 LINK N7 DG A 1 MG MG A 26 1555 1555 2.33 LINK OP2 DA A 4 MG MG A 38 1555 1555 2.00 LINK MG MG A 19 O HOH A 20 1555 1555 2.06 LINK MG MG A 19 O HOH A 22 1555 1555 2.08 LINK MG MG A 19 O HOH A 24 1555 1555 2.05 LINK MG MG A 19 O HOH A 25 1555 1555 2.06 LINK MG MG A 19 O HOH B 21 1555 1555 2.04 LINK MG MG A 19 O HOH B 23 1555 1555 2.06 LINK MG MG A 26 O HOH A 27 1555 1555 2.11 LINK MG MG A 26 O HOH A 28 1555 1555 2.05 LINK MG MG A 26 O HOH A 29 1555 1555 2.09 LINK MG MG A 26 O HOH A 30 1555 1555 2.03 LINK MG MG A 26 O HOH A 143 1555 1455 2.28 LINK MG MG A 26 OP1 DG B 12 1555 4455 2.00 LINK MG MG A 31 O HOH A 34 1555 1555 2.06 LINK MG MG A 31 O HOH B 32 1555 1555 2.01 LINK MG MG A 31 O HOH B 33 1555 1555 2.08 LINK MG MG A 31 O HOH B 35 1555 1555 2.05 LINK MG MG A 31 O AHOH B 36 1555 1555 2.14 LINK MG MG A 31 O BHOH B 36 1555 1555 1.93 LINK MG MG A 31 O AHOH B 37 1555 1555 2.00 LINK MG MG A 31 O BHOH B 37 1555 1555 2.39 LINK MG MG A 38 O HOH A 39 1555 1555 1.98 LINK MG MG A 38 O HOH A 40 1555 1555 2.05 LINK MG MG A 38 O HOH A 41 1555 1555 2.10 LINK MG MG A 38 O HOH A 42 1555 1555 2.03 LINK MG MG A 38 O AHOH A 43 1555 1555 2.14 LINK MG MG A 38 O BHOH A 43 1555 1555 1.96 LINK O HOH A 45 MG MG B 44 1555 1555 2.16 LINK O HOH A 48 MG MG B 44 1555 1555 2.24 LINK MG MG A 50 O HOH A 90 1555 1555 2.06 LINK MG MG A 50 O AHOH A 158 1555 1555 2.01 LINK MG MG A 50 O BHOH A 158 1555 1555 1.87 LINK MG MG A 50 O HOH A 177 1555 1555 1.79 LINK MG MG A 50 O CHOH B 160 1555 1555 1.81 LINK MG MG A 50 O BHOH B 160 1555 1555 2.03 LINK O HOH A 52 MG MG B 49 1555 1555 1.88 LINK O HOH A 58 MG MG B 49 1555 1555 2.05 LINK O HOH A 176 MG MG B 44 1555 1555 2.12 LINK MG MG B 44 O HOH B 46 1555 1555 1.95 LINK MG MG B 44 O HOH B 47 1555 1555 2.21 LINK MG MG B 44 O HOH B 171 1555 2664 2.02 LINK MG MG B 49 O HOH B 53 1555 1555 2.21 LINK MG MG B 49 O HOH B 54 1555 1555 2.33 LINK MG MG B 49 O HOH B 56 1555 1555 1.94 LINK MG MG B 49 O HOH B 57 1555 1555 2.72 SITE 1 AC1 6 HOH A 20 HOH A 22 HOH A 24 HOH A 25 SITE 2 AC1 6 HOH B 21 HOH B 23 SITE 1 AC2 7 DG A 1 HOH A 27 HOH A 28 HOH A 29 SITE 2 AC2 7 HOH A 30 HOH A 143 DG B 12 SITE 1 AC3 6 HOH A 34 HOH B 32 HOH B 33 HOH B 35 SITE 2 AC3 6 HOH B 36 HOH B 37 SITE 1 AC4 6 DA A 4 HOH A 39 HOH A 40 HOH A 41 SITE 2 AC4 6 HOH A 42 HOH A 43 SITE 1 AC5 8 HOH A 45 HOH A 48 HOH A 176 DC B 11 SITE 2 AC5 8 HOH B 46 HOH B 47 HOH B 168 HOH B 171 SITE 1 AC6 6 HOH A 52 HOH A 58 HOH B 53 HOH B 54 SITE 2 AC6 6 HOH B 56 HOH B 57 SITE 1 AC7 4 HOH A 90 HOH A 158 HOH A 177 HOH B 160 SITE 1 AC8 5 DG A 1 DC A 2 HOH A 20 HOH A 114 SITE 2 AC8 5 DG B 10 SITE 1 AC9 4 DG A 3 DA B 13 DA B 14 HOH B 59 SITE 1 BC1 3 DC A 8 DG A 9 HOH A 87 SITE 1 BC2 3 HOH A 121 DC B 11 DG B 12 CRYST1 21.938 36.540 52.728 90.00 90.00 90.00 P 21 21 21 8 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 0.045583 0.000000 0.000000 0.00000 SCALE2 0.000000 0.027367 0.000000 0.00000 SCALE3 0.000000 0.000000 0.018965 0.00000