1ENE - Header Asymmetric Unit

HEADER DNA 21-MAR-00 1ENE

TITLE 1A CRYSTAL STRUCTURES OF B-DNA REVEAL SEQUENCE-SPECIFIC TITLE 2 BINDING AND GROOVE-SPECIFIC BENDING OF DNA BY MAGNESIUM TITLE 3 AND CALCIUM.

COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-D(*CP*CP*AP*GP*CP*GP*CP*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, KEYWDS 2 B-DNA

EXPDTA X-RAY DIFFRACTION

AUTHOR T.K.CHIU,R.E.DICKERSON

REVDAT 3 24-FEB-09 1ENE 1 VERSN REVDAT 2 27-NOV-00 1ENE 5 REVDAT 1 25-SEP-00 1ENE 0

JRNL AUTH T.K.CHIU,R.E.DICKERSON JRNL TITL 1 A CRYSTAL STRUCTURES OF B-DNA REVEAL JRNL TITL 2 SEQUENCE-SPECIFIC BINDING AND GROOVE-SPECIFIC JRNL TITL 3 BENDING OF DNA BY MAGNESIUM AND 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. 0.98 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) : 0.98 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 95.5 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) : 0.121 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.148 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 665 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 13423 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)) : 0.120 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.147 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 654 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 13004 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 0 REMARK 3 NUCLEIC ACID ATOMS : 351 REMARK 3 HETEROGEN ATOMS : 50 REMARK 3 SOLVENT ATOMS : 76 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 276.50 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 113.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 13 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 16552 REMARK 3 NUMBER OF RESTRAINTS : 4814 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.018 REMARK 3 ANGLE DISTANCES (A) : 0.048 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) : 0.286 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) : 0.035 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: SHELX SWAT OPTION 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 REMARK 3 WITH IDEAL B-DNA FITTED ONTO BDJ019. AFTER ALL DATA HAS BEEN REMARK 3 ADDED AND REFINED BY SIMULATED ANNEALING IN X-PLOR 3.843, REMARK 3 REFINEMENT CONTINUED BY CONJUGATE GRADIENT LEAST-SQUARES IN REMARK 3 SHELXL-97. THE TOP 50 MOST DISAGREEABLE REFLECTIONS WERE REMARK 3 REJECTED TOWARDS THE LATTER STAGES OF REFINEMENT BUT THESE ARE REMARK 3 STILL INCLUDED IN THE RELEASED DATA.

REMARK 4 REMARK 4 1ENE COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB ON 22-MAR-00. REMARK 100 THE RCSB ID CODE IS RCSB010745.

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 : AREA DETECTOR 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 : 13423 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 (%) : 95.5 REMARK 200 DATA REDUNDANCY : 4.650 REMARK 200 R MERGE (I) : 0.03200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 30.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.98 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.02 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.09000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 9.100 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 (%): 36.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: INITIAL CONCENTRATIONS IN DROPLET: REMARK 280 0.17 MM DNA, 61.20 MM CALCIUM ACETATE, 10-15% MPD, 30% FINAL REMARK 280 MPD CONCENTRATION IN RESERVOIR. SOLUTIONS WERE UNBUFFERED, REMARK 280 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 15.87500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 12.86250 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 15.87500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 12.86250 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 16.33802 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 30.40498

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 HOH A 218 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 1 O3' DC A 2 P -0.077 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 DC A 1 C4' - C3' - O3' ANGL. DEV. = -16.4 DEGREES REMARK 500 DA A 3 C8 - N9 - C4 ANGL. DEV. = 2.5 DEGREES REMARK 500 DG A 4 C1' - O4' - C4' ANGL. DEV. = -6.2 DEGREES REMARK 500 DG A 6 C5' - C4' - O4' ANGL. DEV. = 11.7 DEGREES REMARK 500 DG A 6 N3 - C4 - C5 ANGL. DEV. = 3.2 DEGREES REMARK 500 DG A 6 C4 - C5 - C6 ANGL. DEV. = -3.8 DEGREES REMARK 500 DC A 5 C3' - O3' - P ANGL. DEV. = 17.8 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 DG A 6 0.09 SIDE_CHAIN REMARK 500 DC A 7 0.08 SIDE_CHAIN REMARK 500 DG A 9 0.07 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 214 DISTANCE = 6.47 ANGSTROMS REMARK 525 HOH A 217 DISTANCE = 12.04 ANGSTROMS REMARK 525 HOH A 221 DISTANCE = 9.23 ANGSTROMS REMARK 525 HOH A 225 DISTANCE = 6.15 ANGSTROMS REMARK 525 HOH A 226 DISTANCE = 10.10 ANGSTROMS REMARK 525 HOH A 249 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH A 252 DISTANCE = 9.42 ANGSTROMS REMARK 525 HOH A 252 DISTANCE = 9.42 ANGSTROMS REMARK 525 HOH A 253 DISTANCE = 8.25 ANGSTROMS REMARK 525 HOH A 253 DISTANCE = 8.25 ANGSTROMS REMARK 525 HOH A 260 DISTANCE = 5.41 ANGSTROMS REMARK 525 HOH A 262 DISTANCE = 10.52 ANGSTROMS REMARK 525 HOH A 262 DISTANCE = 10.52 ANGSTROMS REMARK 525 HOH A 287 DISTANCE = 10.63 ANGSTROMS REMARK 525 HOH A1320 DISTANCE = 6.96 ANGSTROMS REMARK 525 HOH A1342 DISTANCE = 6.08 ANGSTROMS REMARK 525 HOH A1343 DISTANCE = 8.23 ANGSTROMS REMARK 525 HOH A1384 DISTANCE = 7.76 ANGSTROMS

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 111 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1363 O REMARK 620 2 HOH A1359 O 74.2 REMARK 620 3 HOH A1362 O 125.3 77.2 REMARK 620 4 HOH A1360 O 75.4 130.2 151.8 REMARK 620 5 HOH A1361 O 139.7 145.9 77.3 75.0 REMARK 620 6 HOH A1364 O 135.9 79.4 80.9 96.6 74.6 REMARK 620 7 EOH A1114 O 72.9 113.9 77.7 93.3 82.0 151.2 REMARK 620 8 HOH A1360 O 23.1 51.5 109.7 95.3 161.5 122.8 82.9 REMARK 620 9 HOH A1363 O 42.6 97.7 167.7 36.5 111.4 109.4 94.5 59.4 REMARK 620 10 HOH A1364 O 92.0 24.3 52.9 153.9 125.3 76.3 105.0 REMARK 620 69.2 121.7 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 9 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 112 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1366 O REMARK 620 2 HOH A1368 O 74.0 REMARK 620 3 HOH A1371 O 101.6 72.3 REMARK 620 4 HOH A1369 O 83.3 124.1 163.5 REMARK 620 5 HOH A1365 O 129.5 72.7 103.0 85.1 REMARK 620 6 HOH A1370 O 152.7 133.2 87.4 81.6 71.6 REMARK 620 7 HOH A1367 O 78.9 132.5 76.1 89.6 149.9 78.4 REMARK 620 8 HOH A1366 O 22.8 67.6 117.8 71.9 107.8 153.4 98.5 REMARK 620 9 HOH A1369 O 79.2 143.7 138.0 26.9 108.3 77.0 62.8 78.2 REMARK 620 10 HOH A1367 O 90.7 95.6 159.2 33.5 56.6 89.2 123.2 REMARK 620 70.2 60.4 REMARK 620 11 HOH A1365 O 135.8 75.4 98.6 88.3 6.5 66.3 144.6 REMARK 620 114.2 109.8 61.5 REMARK 620 12 HOH A1370 O 125.4 155.8 88.2 76.3 98.7 28.2 51.4 REMARK 620 136.0 60.2 98.3 94.0 REMARK 620 13 HOH A1371 O 118.5 87.9 19.7 146.5 97.0 67.7 71.9 REMARK 620 137.0 126.8 150.3 91.3 70.4 REMARK 620 14 HOH A1368 O 135.4 128.2 121.1 52.1 55.8 35.8 98.3 REMARK 620 121.0 61.0 53.4 54.0 50.9 102.1 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 9 10 11 12 13 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 113 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1375 O REMARK 620 2 HOH A1373 O 87.8 REMARK 620 3 HOH A1376 O 86.1 145.7 REMARK 620 4 HOH A1374 O 106.9 73.6 76.0 REMARK 620 5 HOH A1372 O 170.5 95.4 96.2 82.6 REMARK 620 6 DG A 10 O6 82.8 62.1 149.7 134.3 90.7 REMARK 620 7 HOH A1373 O 51.9 36.5 131.5 92.6 129.4 58.0 REMARK 620 8 DG A 9 N7 90.6 140.0 73.9 143.9 81.2 78.0 122.5 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A1113 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1382 O REMARK 620 2 HOH A1377 O 67.0 REMARK 620 3 HOH A1380 O 43.4 82.3 REMARK 620 4 HOH A1381 O 119.0 148.2 84.4 REMARK 620 5 HOH A1378 O 140.7 80.8 154.6 100.2 REMARK 620 6 HOH A1379 O 122.1 96.9 80.8 52.4 82.5 REMARK 620 7 HOH A1379 O 118.0 143.3 81.4 5.1 101.3 48.0 REMARK 620 8 HOH A1377 O 136.3 115.7 92.9 36.5 77.5 21.0 33.4 REMARK 620 9 HOH A1381 O 116.6 127.7 75.1 20.6 100.7 33.8 15.6 24.4 REMARK 620 10 HOH A1380 O 140.9 118.9 97.6 35.3 74.4 26.0 32.9 REMARK 620 5.4 26.5 REMARK 620 11 HOH A1382 O 129.7 142.8 92.4 11.3 89.6 46.0 11.7 REMARK 620 27.5 20.2 25.2 REMARK 620 12 HOH A1378 O 149.5 135.0 110.8 30.5 69.8 47.3 31.6 REMARK 620 26.4 35.9 21.2 19.9 REMARK 620 N 1 2 3 4 5 6 7 8 REMARK 620 9 10 11 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 114 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A1383 O REMARK 620 2 HOH A1385 O 88.0 REMARK 620 3 HOH A1384 O 138.3 97.5 REMARK 620 N 1 2

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 111 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 112 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 113 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 1113 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 114 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 1114 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 227 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EOH A 244

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: BD0033 RELATED DB: NDB REMARK 900 RELATED ID: BD0034 RELATED DB: NDB REMARK 900 RELATED ID: BD0035 RELATED DB: NDB

DBREF 1ENE A 1 10 PDB 1ENE 1ENE 1 10

SEQRES 1 A 10 DC DC DA DG DC DG DC DT DG DG

HET CA A 111 1 HET CA A 112 2 HET CA A 113 1 HET CA A1113 2 HET CA A 114 1 HET EOH A1114 3 HET EOH A 227 3 HET EOH A 244 3

HETNAM CA CALCIUM ION HETNAM EOH ETHANOL

FORMUL 2 CA 5(CA 2+) FORMUL 7 EOH 3(C2 H6 O) FORMUL 10 HOH *89(H2 O)

LINK CA C CA A 111 O CHOH A1363 1555 1555 2.48 LINK CA C CA A 111 O CHOH A1359 1555 1555 2.41 LINK CA C CA A 111 O CHOH A1362 1555 1555 2.43 LINK CA C CA A 111 O CHOH A1360 1555 1555 2.38 LINK CA C CA A 111 O CHOH A1361 1555 1555 2.45 LINK CA C CA A 111 O CHOH A1364 1555 1555 2.40 LINK CA C CA A 112 O CHOH A1366 1555 1555 2.42 LINK CA C CA A 112 O CHOH A1368 1555 1555 2.47 LINK CA C CA A 112 O CHOH A1371 1555 1555 2.43 LINK CA C CA A 112 O CHOH A1369 1555 1555 2.44 LINK CA C CA A 112 O CHOH A1365 1555 1555 2.46 LINK CA C CA A 112 O CHOH A1370 1555 1555 2.44 LINK CA C CA A 112 O CHOH A1367 1555 1555 2.44 LINK CA D CA A 112 O DHOH A1366 1555 1555 2.42 LINK CA D CA A 112 O DHOH A1369 1555 1555 2.42 LINK CA D CA A 112 O DHOH A1367 1555 1555 2.44 LINK CA D CA A 112 O DHOH A1365 1555 1555 2.46 LINK CA D CA A 112 O DHOH A1370 1555 1555 2.41 LINK CA D CA A 112 O DHOH A1371 1555 1555 2.44 LINK CA D CA A 112 O DHOH A1368 1555 1555 2.44 LINK CA C CA A 113 O CHOH A1375 1555 1555 2.46 LINK CA C CA A 113 O CHOH A1373 1555 1555 2.42 LINK CA C CA A 113 O CHOH A1376 1555 1555 2.43 LINK CA C CA A 113 O CHOH A1374 1555 1555 2.44 LINK CA C CA A 113 O CHOH A1372 1555 1555 2.46 LINK CA D CA A1113 O DHOH A1382 1555 1555 2.47 LINK CA D CA A1113 O DHOH A1377 1555 1555 2.45 LINK CA D CA A1113 O DHOH A1380 1555 1555 2.46 LINK CA D CA A1113 O DHOH A1381 1555 1555 2.48 LINK CA D CA A1113 O DHOH A1378 1555 1555 2.46 LINK CA D CA A1113 O DHOH A1379 1555 1555 2.48 LINK CA E CA A1113 O EHOH A1379 1555 1555 2.45 LINK CA E CA A1113 O EHOH A1377 1555 1555 2.44 LINK CA E CA A1113 O EHOH A1381 1555 1555 2.45 LINK CA E CA A1113 O EHOH A1380 1555 1555 2.44 LINK CA E CA A1113 O EHOH A1382 1555 1555 2.44 LINK CA E CA A1113 O EHOH A1378 1555 1555 2.44 LINK CA B CA A 114 O BHOH A1383 1555 1555 2.41 LINK CA B CA A 114 O BHOH A1385 1555 1555 2.42 LINK CA B CA A 114 O BHOH A1384 1555 1555 2.44 LINK CA C CA A 111 O CEOH A1114 1555 1555 2.45 LINK CA C CA A 111 O CHOH A1360 1555 2655 3.39 LINK CA C CA A 111 O CHOH A1363 1555 2655 2.31 LINK CA C CA A 111 O CHOH A1364 1555 2655 2.85 LINK CA C CA A 113 O6 DG A 10 1555 2656 2.64 LINK CA C CA A 113 O CHOH A1373 1555 2655 3.20 LINK CA C CA A 113 N7 DG A 9 1555 2656 2.71

SITE 1 AC1 9 EOH A1114 HOH A1301 HOH A1356 HOH A1359 SITE 2 AC1 9 HOH A1360 HOH A1361 HOH A1362 HOH A1363 SITE 3 AC1 9 HOH A1364 SITE 1 AC2 8 HOH A 222 HOH A1365 HOH A1366 HOH A1367 SITE 2 AC2 8 HOH A1368 HOH A1369 HOH A1370 HOH A1371 SITE 1 AC3 11 DG A 9 DG A 10 HOH A 259 CA A1113 SITE 2 AC3 11 HOH A1372 HOH A1373 HOH A1374 HOH A1375 SITE 3 AC3 11 HOH A1376 HOH A1379 HOH A1381 SITE 1 AC4 14 CA A 113 HOH A 215 HOH A 252 HOH A 259 SITE 2 AC4 14 HOH A1372 HOH A1374 HOH A1375 HOH A1376 SITE 3 AC4 14 HOH A1377 HOH A1378 HOH A1379 HOH A1380 SITE 4 AC4 14 HOH A1381 HOH A1382 SITE 1 AC5 4 HOH A 260 HOH A1383 HOH A1384 HOH A1385 SITE 1 AC6 12 DC A 1 DC A 2 DG A 10 CA A 111 SITE 2 AC6 12 HOH A 202 HOH A 228 HOH A 229 HOH A1301 SITE 3 AC6 12 HOH A1356 HOH A1360 HOH A1362 HOH A1363 SITE 1 AC7 7 DC A 5 DT A 8 HOH A 204 HOH A 207 SITE 2 AC7 7 HOH A 241 EOH A 244 HOH A1358 SITE 1 AC8 6 DG A 6 DC A 7 EOH A 227 HOH A 241 SITE 2 AC8 6 HOH A 250 HOH A1342

CRYST1 31.750 25.725 34.088 90.00 116.88 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 0.031496 0.000000 0.015965 0.00000

SCALE2 0.000000 0.038873 0.000000 0.00000

SCALE3 0.000000 0.000000 0.032889 0.00000