HEADER DNA 20-MAR-00 1EN3 TITLE 1A CRYSTAL STRUCTURES OF B-DNA REVEAL SEQUENCE-SPECIFIC BINDING AND TITLE 2 GROOVE-SPECIFIC BENDING OF DNA BY MAGNESIUM AND CALCIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*CP*AP*AP*CP*GP*TP*TP*GP*G)-3'); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES KEYWDS DIVALENT CATIONS, DNA SEQUENCE-SPECIFIC BINDING, SHELXDNA, B-DNA, DNA EXPDTA X-RAY DIFFRACTION AUTHOR T.K.CHIU,R.E.DICKERSON REVDAT 3 07-FEB-24 1EN3 1 REMARK LINK REVDAT 2 24-FEB-09 1EN3 1 VERSN REVDAT 1 25-SEP-00 1EN3 0 JRNL AUTH T.K.CHIU,R.E.DICKERSON JRNL TITL 1 A CRYSTAL STRUCTURES OF B-DNA REVEAL SEQUENCE-SPECIFIC JRNL TITL 2 BINDING AND GROOVE-SPECIFIC BENDING OF DNA BY MAGNESIUM AND JRNL TITL 3 CALCIUM. JRNL REF J.MOL.BIOL. V. 301 915 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10966796 JRNL DOI 10.1006/JMBI.2000.4012 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.K.CHIU,M.KACZOR-GRZESKOWIAK,R.E.DICKERSON REMARK 1 TITL ABSENCE OF MINOR GROOVE MONOVALENT CATIONS IN THE REMARK 1 TITL 2 CROSSLINKED DODECAMER CGCGAATTCGCG. REMARK 1 REF J.MOL.BIOL. V. 292 589 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1999.3075 REMARK 2 REMARK 2 RESOLUTION. 0.99 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) : 0.99 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.0 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) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.141 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.159 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 631 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 13464 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)) : 0.139 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.155 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 592 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 12786 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 202 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 272.84 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 114.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 14 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 17441 REMARK 3 NUMBER OF RESTRAINTS : 2945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.018 REMARK 3 ANGLE DISTANCES (A) : 0.049 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) : 0.019 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.006 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.026 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.072 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: SWAT 0.814695 0.4550 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : PARKINSON ET AL. REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT STARTED IN X-PLOR 3.843 WITH REMARK 3 DNA MODEL FROM BDJ019. AFTER ALL DATA HAS BEEN ADDED AND REFINED REMARK 3 BY SIMULATED ANNEALING IN X-PLOR 3.843, REFINEMENT CONTINUED BY REMARK 3 CONJUGATE GRADIENT LEAST-SQUARES IN SHELXL-97. THE TOP 50 MOST REMARK 3 DISAGREEABLE REFLECTIONS WERE REJECTED TOWARDS THE LATTER STAGES REMARK 3 OF REFINEMENT BUT THESE ARE STILL INCLUDED IN THE RELEASED DATA. REMARK 4 REMARK 4 1EN3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000010739. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-NOV-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X8C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9500 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 : 13464 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.985 REMARK 200 RESOLUTION RANGE LOW (A) : 8.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.0 REMARK 200 DATA REDUNDANCY : 5.750 REMARK 200 R MERGE (I) : 0.04700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.99 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.12300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 7.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: BDJ019 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.08 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: INITIAL CONCENTRATION IN DROPLET: 0.24 REMARK 280 MM DNA, 8.57 MM MAGNESIUM ACETATE, 0.11 MM STREPTONIGRIN, 10-15% REMARK 280 MPD, 45% FINAL MPD CONCENTRATION IN RESERVOIR. SOLUTIONS WERE REMARK 280 UNBUFFERED, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 275.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 16.00050 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 12.68450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 16.00050 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 12.68450 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 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 18.87035 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 30.96393 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 MG MG A 111 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 217 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 219 LIES ON A SPECIAL POSITION. 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 DC A 2 C4 DC A 2 C5 -0.061 REMARK 500 DA A 3 N3 DA A 3 C4 -0.052 REMARK 500 DA A 3 C5 DA A 3 N7 -0.046 REMARK 500 DA A 3 N7 DA A 3 C8 -0.072 REMARK 500 DA A 3 C8 DA A 3 N9 0.068 REMARK 500 DA A 4 C1' DA A 4 N9 -0.220 REMARK 500 DA A 4 C4 DA A 4 C5 0.047 REMARK 500 DA A 4 C5 DA A 4 C6 0.072 REMARK 500 DA A 4 C5 DA A 4 N7 -0.114 REMARK 500 DA A 4 N7 DA A 4 C8 0.077 REMARK 500 DC A 5 C1' DC A 5 N1 0.143 REMARK 500 DC A 5 C2 DC A 5 O2 -0.078 REMARK 500 DC A 5 N1 DC A 5 C2 0.085 REMARK 500 DC A 5 N1 DC A 5 C6 -0.099 REMARK 500 DC A 5 N3 DC A 5 C4 -0.057 REMARK 500 DG A 6 N3 DG A 6 C4 0.055 REMARK 500 DG A 6 C5 DG A 6 N7 -0.042 REMARK 500 DG A 6 C8 DG A 6 N9 0.044 REMARK 500 DG A 6 C2 DG A 6 N2 -0.064 REMARK 500 DT A 7 C5 DT A 7 C7 0.042 REMARK 500 DT A 8 N1 DT A 8 C2 -0.048 REMARK 500 DT A 8 C5 DT A 8 C7 0.038 REMARK 500 DG A 9 C4 DG A 9 C5 0.052 REMARK 500 DG A 9 C5 DG A 9 N7 -0.037 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 DA A 3 O5' - C5' - C4' ANGL. DEV. = -7.8 DEGREES REMARK 500 DA A 3 C4' - C3' - O3' ANGL. DEV. = -16.3 DEGREES REMARK 500 DA A 3 C5 - N7 - C8 ANGL. DEV. = 3.8 DEGREES REMARK 500 DA A 3 N9 - C4 - C5 ANGL. DEV. = -2.5 DEGREES REMARK 500 DA A 4 N9 - C1' - C2' ANGL. DEV. = 16.3 DEGREES REMARK 500 DA A 4 N1 - C2 - N3 ANGL. DEV. = 6.3 DEGREES REMARK 500 DA A 4 C2 - N3 - C4 ANGL. DEV. = -3.9 DEGREES REMARK 500 DA A 4 C4 - C5 - C6 ANGL. DEV. = -3.2 DEGREES REMARK 500 DA A 4 C4 - C5 - N7 ANGL. DEV. = 4.3 DEGREES REMARK 500 DA A 4 C5 - N7 - C8 ANGL. DEV. = -5.0 DEGREES REMARK 500 DA A 4 N7 - C8 - N9 ANGL. DEV. = 4.2 DEGREES REMARK 500 DA A 4 C8 - N9 - C4 ANGL. DEV. = -6.0 DEGREES REMARK 500 DA A 4 N1 - C6 - N6 ANGL. DEV. = 4.0 DEGREES REMARK 500 DA A 4 C4 - N9 - C1' ANGL. DEV. = 11.8 DEGREES REMARK 500 DC A 5 C1' - O4' - C4' ANGL. DEV. = -6.7 DEGREES REMARK 500 DC A 5 O4' - C1' - N1 ANGL. DEV. = -7.6 DEGREES REMARK 500 DC A 5 C6 - N1 - C2 ANGL. DEV. = 3.3 DEGREES REMARK 500 DC A 5 N1 - C2 - N3 ANGL. DEV. = -8.9 DEGREES REMARK 500 DC A 5 C2 - N3 - C4 ANGL. DEV. = 6.7 DEGREES REMARK 500 DC A 5 N3 - C2 - O2 ANGL. DEV. = 8.0 DEGREES REMARK 500 DC A 5 C3' - O3' - P ANGL. DEV. = 9.4 DEGREES REMARK 500 DG A 6 C6 - N1 - C2 ANGL. DEV. = -4.5 DEGREES REMARK 500 DG A 6 C4 - C5 - N7 ANGL. DEV. = -2.9 DEGREES REMARK 500 DG A 6 C5 - N7 - C8 ANGL. DEV. = 3.9 DEGREES REMARK 500 DG A 6 N7 - C8 - N9 ANGL. DEV. = -3.1 DEGREES REMARK 500 DG A 6 C8 - N9 - C4 ANGL. DEV. = -3.4 DEGREES REMARK 500 DG A 6 N9 - C4 - C5 ANGL. DEV. = 5.5 DEGREES REMARK 500 DT A 7 C5 - C6 - N1 ANGL. DEV. = -3.9 DEGREES REMARK 500 DT A 8 O5' - C5' - C4' ANGL. DEV. = -5.2 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 DA A 3 0.07 SIDE CHAIN REMARK 500 DC A 5 0.06 SIDE CHAIN REMARK 500 DT A 7 0.07 SIDE CHAIN REMARK 500 DG A 9 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 111 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1318 O REMARK 620 2 HOH A1318 O 179.8 REMARK 620 3 HOH A1319 O 89.8 90.1 REMARK 620 4 HOH A1319 O 90.1 89.8 90.0 REMARK 620 5 HOH A1320 O 89.7 90.4 87.3 177.4 REMARK 620 6 HOH A1320 O 90.4 89.7 177.3 87.3 95.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 112 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1321 O REMARK 620 2 HOH A1322 O 176.9 REMARK 620 3 HOH A1323 O 90.6 90.8 REMARK 620 4 HOH A1324 O 89.4 89.3 175.8 REMARK 620 5 HOH A1325 O 92.5 90.3 86.4 89.4 REMARK 620 6 HOH A1326 O 87.7 89.6 90.9 93.3 177.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 113 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1333 O REMARK 620 2 HOH A1334 O 178.0 REMARK 620 3 HOH A1335 O 92.6 88.9 REMARK 620 4 HOH A1336 O 90.7 87.8 176.0 REMARK 620 5 HOH A1337 O 90.7 90.7 87.8 94.4 REMARK 620 6 HOH A1338 O 88.9 89.8 90.6 87.2 178.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 113 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1333 O REMARK 620 2 HOH A1334 O 179.6 REMARK 620 3 HOH A1335 O 90.8 89.3 REMARK 620 4 HOH A1336 O 89.8 90.1 178.6 REMARK 620 5 HOH A1337 O 91.7 87.9 89.2 89.6 REMARK 620 6 HOH A1338 O 89.7 90.7 91.7 89.5 178.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 114 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1327 O REMARK 620 2 HOH A1328 O 176.7 REMARK 620 3 HOH A1329 O 92.1 89.6 REMARK 620 4 HOH A1330 O 88.5 90.3 172.4 REMARK 620 5 HOH A1331 O 91.6 85.3 94.3 93.2 REMARK 620 6 HOH A1332 O 89.4 93.6 87.3 85.1 178.0 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 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 114 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 113 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: BD0034 RELATED DB: NDB REMARK 900 RELATED ID: BD0035 RELATED DB: NDB REMARK 900 RELATED ID: BD0036 RELATED DB: NDB DBREF 1EN3 A 1 10 PDB 1EN3 1EN3 1 10 SEQRES 1 A 10 DC DC DA DA DC DG DT DT DG DG HET MG A 111 1 HET MG A 112 1 HET MG A 114 1 HET MG A 113 2 HETNAM MG MAGNESIUM ION FORMUL 2 MG 4(MG 2+) FORMUL 6 HOH *76(H2 O) LINK MG MG A 111 O HOH A1318 1555 1555 2.05 LINK MG MG A 111 O HOH A1318 1555 2655 2.05 LINK MG MG A 111 O HOH A1319 1555 1555 2.09 LINK MG MG A 111 O HOH A1319 1555 2655 2.09 LINK MG MG A 111 O HOH A1320 1555 1555 2.12 LINK MG MG A 111 O HOH A1320 1555 2655 2.12 LINK MG A MG A 112 O AHOH A1321 1555 1555 2.08 LINK MG A MG A 112 O AHOH A1322 1555 1555 2.08 LINK MG A MG A 112 O AHOH A1323 1555 1555 2.07 LINK MG A MG A 112 O AHOH A1324 1555 1555 2.07 LINK MG A MG A 112 O AHOH A1325 1555 1555 2.09 LINK MG A MG A 112 O AHOH A1326 1555 1555 2.07 LINK MG A MG A 113 O AHOH A1333 1555 1555 2.08 LINK MG B MG A 113 O BHOH A1333 1555 1555 2.08 LINK MG A MG A 113 O AHOH A1334 1555 1555 2.07 LINK MG B MG A 113 O BHOH A1334 1555 1555 2.09 LINK MG A MG A 113 O AHOH A1335 1555 1555 2.06 LINK MG B MG A 113 O BHOH A1335 1555 1555 2.09 LINK MG A MG A 113 O AHOH A1336 1555 1555 2.07 LINK MG B MG A 113 O BHOH A1336 1555 1555 2.08 LINK MG A MG A 113 O AHOH A1337 1555 1555 2.13 LINK MG B MG A 113 O BHOH A1337 1555 1555 2.08 LINK MG A MG A 113 O AHOH A1338 1555 1555 2.09 LINK MG B MG A 113 O BHOH A1338 1555 1555 2.08 LINK MG B MG A 114 O BHOH A1327 1555 1555 2.07 LINK MG B MG A 114 O BHOH A1328 1555 1555 2.05 LINK MG B MG A 114 O BHOH A1329 1555 1555 2.06 LINK MG B MG A 114 O BHOH A1330 1555 1555 2.09 LINK MG B MG A 114 O BHOH A1331 1555 1555 2.09 LINK MG B MG A 114 O BHOH A1332 1555 1555 2.11 SITE 1 AC1 3 HOH A1318 HOH A1319 HOH A1320 SITE 1 AC2 6 HOH A1321 HOH A1322 HOH A1323 HOH A1324 SITE 2 AC2 6 HOH A1325 HOH A1326 SITE 1 AC3 6 HOH A1327 HOH A1328 HOH A1329 HOH A1330 SITE 2 AC3 6 HOH A1331 HOH A1332 SITE 1 AC4 6 HOH A1333 HOH A1334 HOH A1335 HOH A1336 SITE 2 AC4 6 HOH A1337 HOH A1338 CRYST1 32.001 25.369 33.633 90.00 112.98 90.00 C 1 2 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 0.031249 0.000000 0.013252 0.00000 SCALE2 0.000000 0.039418 0.000000 0.00000 SCALE3 0.000000 0.000000 0.032296 0.00000