HEADER DNA 20-AUG-03 1O55 TITLE MOLECULAR STRUCTURE OF TWO CRYSTAL FORMS OF CYCLIC TRIADENYLIC ACID AT TITLE 2 1 ANGSTROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'-CD(*AP*AP*AP)-3'); COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SYNTHETIC KEYWDS CYCLIC TRINUCLEOTIDE, DNA EXPDTA X-RAY DIFFRACTION AUTHOR Y.G.GAO,H.ROBINSON,Y.GUAN,Y.C.LIAW,J.H.VAN BOOM,G.A.VAN DER MAREL, AUTHOR 2 A.H.WANG REVDAT 5 27-DEC-23 1O55 1 REMARK LINK REVDAT 4 04-OCT-17 1O55 1 REMARK REVDAT 3 24-FEB-09 1O55 1 VERSN REVDAT 2 02-SEP-03 1O55 1 HEADER AUTHOR REMARK SEQRES REVDAT 2 2 1 MASTER REVDAT 1 26-AUG-03 1O55 0 SPRSDE 26-AUG-03 1O55 415D JRNL AUTH Y.G.GAO,H.ROBINSON,Y.GUAN,Y.C.LIAW,J.H.VAN BOOM, JRNL AUTH 2 G.A.VAN DER MAREL,A.H.WANG JRNL TITL MOLECULAR STRUCTURE OF TWO CRYSTAL FORMS OF CYCLIC JRNL TITL 2 TRIADENYLIC ACID AT 1A RESOLUTION. JRNL REF J.BIOMOL.STRUCT.DYN. V. 16 69 1998 JRNL REFN ISSN 0739-1102 JRNL PMID 9745896 REMARK 2 REMARK 2 RESOLUTION. 1.04 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) : 1.04 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.144 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.138 REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 2198 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : 0.138 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 : 42 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 23 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) : 0.016 REMARK 3 ANGLE DISTANCES (A) : 0.031 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: NULL REMARK 4 REMARK 4 1O55 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-AUG-03. REMARK 100 THE DEPOSITION ID IS D_1000001815. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-DEC-97 REMARK 200 TEMPERATURE (KELVIN) : 123.00 REMARK 200 PH : 4.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BIOTEX REMARK 200 DATA SCALING SOFTWARE : BIOTEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 2198 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.040 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.4 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.04400 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 <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: SHELXS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 26.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.67 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.50, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298.00K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-Z REMARK 290 7555 X+2/3,Y+1/3,Z+1/3 REMARK 290 8555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 9555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 10555 Y+2/3,X+1/3,-Z+1/3 REMARK 290 11555 X-Y+2/3,-Y+1/3,-Z+1/3 REMARK 290 12555 -X+2/3,-X+Y+1/3,-Z+1/3 REMARK 290 13555 X+1/3,Y+2/3,Z+2/3 REMARK 290 14555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 15555 -X+Y+1/3,-X+2/3,Z+2/3 REMARK 290 16555 Y+1/3,X+2/3,-Z+2/3 REMARK 290 17555 X-Y+1/3,-Y+2/3,-Z+2/3 REMARK 290 18555 -X+1/3,-X+Y+2/3,-Z+2/3 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 0.00000 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 11.31850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 6.53474 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 14.86033 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 11.31850 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 6.53474 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 14.86033 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 11.31850 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 6.53474 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 14.86033 REMARK 290 SMTRY1 10 -0.500000 0.866025 0.000000 11.31850 REMARK 290 SMTRY2 10 0.866025 0.500000 0.000000 6.53474 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 14.86033 REMARK 290 SMTRY1 11 1.000000 0.000000 0.000000 11.31850 REMARK 290 SMTRY2 11 0.000000 -1.000000 0.000000 6.53474 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 14.86033 REMARK 290 SMTRY1 12 -0.500000 -0.866025 0.000000 11.31850 REMARK 290 SMTRY2 12 -0.866025 0.500000 0.000000 6.53474 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 14.86033 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 13.06948 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 29.72067 REMARK 290 SMTRY1 14 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 14 0.866025 -0.500000 0.000000 13.06948 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 29.72067 REMARK 290 SMTRY1 15 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 15 -0.866025 -0.500000 0.000000 13.06948 REMARK 290 SMTRY3 15 0.000000 0.000000 1.000000 29.72067 REMARK 290 SMTRY1 16 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 16 0.866025 0.500000 0.000000 13.06948 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 29.72067 REMARK 290 SMTRY1 17 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 17 0.000000 -1.000000 0.000000 13.06948 REMARK 290 SMTRY3 17 0.000000 0.000000 -1.000000 29.72067 REMARK 290 SMTRY1 18 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 18 -0.866025 0.500000 0.000000 13.06948 REMARK 290 SMTRY3 18 0.000000 0.000000 -1.000000 29.72067 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: TRIMERIC 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 -0.500000 0.866025 0.000000 -11.31850 REMARK 350 BIOMT2 2 -0.866025 -0.500000 0.000000 19.60422 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 -0.866025 0.000000 11.31850 REMARK 350 BIOMT2 3 0.866025 -0.500000 0.000000 19.60422 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 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 103 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 117 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 101 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 105 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 106 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 107 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 111 LIES ON A SPECIAL POSITION. 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 P DA A 2 O3' DA A 2 3565 1.61 REMARK 500 P DA B 5 O3' DA B 5 3555 1.62 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 2 N7 - C8 - N9 ANGL. DEV. = -3.4 DEGREES REMARK 500 DA A 2 C8 - N9 - C4 ANGL. DEV. = 3.5 DEGREES REMARK 500 DA A 2 N9 - C4 - C5 ANGL. DEV. = -2.5 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 CO B 8 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 121 O REMARK 620 2 HOH A 122 O 88.7 REMARK 620 3 HOH B 118 O 87.2 94.8 REMARK 620 4 HOH B 119 O 90.9 89.3 175.4 REMARK 620 5 HOH B 120 O 94.8 175.3 88.6 87.5 REMARK 620 6 HOH B 123 O 173.2 84.8 91.6 90.7 91.8 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 CO B 8 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE CRYSTALLIZED ENTITY IS 5'-CD(*AP*AP*AP)-3', HOWEVER, REMARK 999 EACH OF THE TWO INDEPENDENT MOLECULES SITS ON THE REMARK 999 CRYSTALLOGRAPHIC 3-FOLD AXIS. REMARK 350 PROVIDES THE WAY REMARK 999 TO CREATE CYCLIC D(*AP*AP*AP) MOLECULE. DBREF 1O55 A 2 4 PDB 1O55 1O55 2 4 DBREF 1O55 B 5 7 PDB 1O55 1O55 5 7 SEQRES 1 A 3 DA DA DA SEQRES 1 B 3 DA DA DA HET CO B 8 1 HETNAM CO COBALT (II) ION FORMUL 3 CO CO 2+ FORMUL 4 HOH *23(H2 O) LINK O HOH A 121 CO CO B 8 1555 1555 2.10 LINK O HOH A 122 CO CO B 8 1555 1555 2.07 LINK CO CO B 8 O HOH B 118 1555 1555 1.99 LINK CO CO B 8 O HOH B 119 1555 1555 2.13 LINK CO CO B 8 O HOH B 120 1555 1555 2.07 LINK CO CO B 8 O HOH B 123 1555 1555 2.07 SITE 1 AC1 6 HOH A 121 HOH A 122 HOH B 118 HOH B 119 SITE 2 AC1 6 HOH B 120 HOH B 123 CRYST1 22.637 22.637 44.581 90.00 90.00 120.00 H 3 2 36 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 0.044175 0.025505 0.000000 0.00000 SCALE2 0.000000 0.051009 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022431 0.00000 ATOM 1 P DA A 2 -2.673 15.931 2.686 1.00 8.71 P ANISOU 1 P DA A 2 1230 972 1106 175 89 -114 P ATOM 2 OP1 DA A 2 -3.818 16.500 3.449 1.00 10.67 O ANISOU 2 OP1 DA A 2 1106 1424 1525 165 513 -460 O ATOM 3 OP2 DA A 2 -2.651 16.207 1.202 1.00 10.10 O ANISOU 3 OP2 DA A 2 1720 999 1119 277 19 54 O ATOM 4 O5' DA A 2 -2.681 14.391 2.826 1.00 7.27 O ANISOU 4 O5' DA A 2 1100 854 807 -121 78 -71 O ATOM 5 C5' DA A 2 -2.535 13.860 4.152 1.00 8.93 C ANISOU 5 C5' DA A 2 1127 1159 1106 -141 -4 -69 C ATOM 6 C4' DA A 2 -2.988 12.420 4.133 1.00 9.96 C ANISOU 6 C4' DA A 2 1216 1566 1003 -563 -52 34 C ATOM 7 O4' DA A 2 -4.433 12.456 4.078 1.00 10.18 O ANISOU 7 O4' DA A 2 1370 1787 711 -394 102 188 O ATOM 8 C3' DA A 2 -2.480 11.585 2.936 1.00 7.06 C ANISOU 8 C3' DA A 2 995 1084 603 49 113 76 C ATOM 9 O3' DA A 2 -2.259 10.226 3.409 1.00 9.04 O ANISOU 9 O3' DA A 2 1151 1195 1088 -120 42 318 O ATOM 10 C2' DA A 2 -3.700 11.581 2.032 1.00 7.56 C ANISOU 10 C2' DA A 2 1099 871 904 10 342 -20 C ATOM 11 C1' DA A 2 -4.836 11.568 3.013 1.00 9.44 C ANISOU 11 C1' DA A 2 703 1509 1373 -77 -352 230 C ATOM 12 N9 DA A 2 -6.055 12.116 2.463 1.00 12.00 N ANISOU 12 N9 DA A 2 1840 1686 1032 47 434 257 N ATOM 13 C8 DA A 2 -6.444 13.437 2.464 1.00 10.73 C ANISOU 13 C8 DA A 2 1540 1531 1007 137 24 168 C ATOM 14 N7 DA A 2 -7.630 13.567 1.906 1.00 12.95 N ANISOU 14 N7 DA A 2 1612 2507 801 65 408 257 N ATOM 15 C5 DA A 2 -8.048 12.257 1.610 1.00 20.27 C ANISOU 15 C5 DA A 2 1650 5416 634 236 404 1208 C ATOM 16 C6 DA A 2 -9.237 11.718 1.040 1.00 9.40 C ANISOU 16 C6 DA A 2 748 1989 836 29 166 211 C ATOM 17 N6 DA A 2 -10.256 12.531 0.731 1.00 23.48 N ANISOU 17 N6 DA A 2 2473 5099 1349 2809 740 1409 N ATOM 18 N1 DA A 2 -9.313 10.383 0.871 1.00 12.79 N ANISOU 18 N1 DA A 2 1056 2930 873 -187 -215 25 N ATOM 19 C2 DA A 2 -8.264 9.611 1.247 1.00 11.95 C ANISOU 19 C2 DA A 2 1613 1378 1549 -197 -778 324 C ATOM 20 N3 DA A 2 -7.106 10.006 1.789 1.00 9.28 N ANISOU 20 N3 DA A 2 1410 1229 888 -35 45 276 N ATOM 21 C4 DA A 2 -7.069 11.338 1.902 1.00 9.20 C ANISOU 21 C4 DA A 2 1017 1349 1131 619 388 651 C TER 22 DA A 2 ATOM 23 P DA B 5 -1.786 3.601 5.863 1.00 7.32 P ANISOU 23 P DA B 5 829 767 1183 23 28 -33 P ATOM 24 OP1 DA B 5 -2.580 4.507 6.733 1.00 8.81 O ANISOU 24 OP1 DA B 5 855 988 1503 22 -91 16 O ATOM 25 OP2 DA B 5 -1.802 3.860 4.388 1.00 9.02 O ANISOU 25 OP2 DA B 5 1519 1013 895 92 41 239 O ATOM 26 O5' DA B 5 -2.198 2.076 6.022 1.00 7.33 O ANISOU 26 O5' DA B 5 836 830 1121 -121 44 -46 O ATOM 27 C5' DA B 5 -2.270 1.424 7.335 1.00 6.64 C ANISOU 27 C5' DA B 5 899 1026 596 -111 -5 126 C ATOM 28 C4' DA B 5 -3.116 0.182 7.225 1.00 7.03 C ANISOU 28 C4' DA B 5 676 1279 718 94 -52 141 C ATOM 29 O4' DA B 5 -4.497 0.579 7.092 1.00 7.00 O ANISOU 29 O4' DA B 5 846 962 851 111 47 28 O ATOM 30 C3' DA B 5 -2.812 -0.717 6.053 1.00 6.39 C ANISOU 30 C3' DA B 5 978 540 909 -126 165 52 C ATOM 31 O3' DA B 5 -2.965 -2.084 6.561 1.00 7.31 O ANISOU 31 O3' DA B 5 791 960 1028 -92 35 71 O ATOM 32 C2' DA B 5 -3.888 -0.436 5.041 1.00 8.37 C ANISOU 32 C2' DA B 5 1182 993 1006 -8 -329 169 C ATOM 33 C1' DA B 5 -5.034 0.030 5.895 1.00 7.66 C ANISOU 33 C1' DA B 5 757 853 1300 250 237 295 C ATOM 34 N9 DA B 5 -5.892 1.018 5.249 1.00 7.20 N ANISOU 34 N9 DA B 5 888 681 1165 -290 -265 226 N ATOM 35 C8 DA B 5 -5.465 2.153 4.606 1.00 8.40 C ANISOU 35 C8 DA B 5 876 994 1322 26 -242 457 C ATOM 36 N7 DA B 5 -6.460 2.933 4.270 1.00 8.44 N ANISOU 36 N7 DA B 5 1125 1002 1079 -234 -164 302 N ATOM 37 C5 DA B 5 -7.613 2.282 4.677 1.00 7.36 C ANISOU 37 C5 DA B 5 1416 680 699 -271 -132 164 C ATOM 38 C6 DA B 5 -8.957 2.569 4.553 1.00 6.27 C ANISOU 38 C6 DA B 5 974 759 649 14 -262 -78 C ATOM 39 N6 DA B 5 -9.416 3.715 4.006 1.00 7.57 N ANISOU 39 N6 DA B 5 898 1039 939 113 -42 2 N ATOM 40 N1 DA B 5 -9.843 1.678 5.019 1.00 6.39 N ANISOU 40 N1 DA B 5 704 719 1004 80 22 126 N ATOM 41 C2 DA B 5 -9.350 0.527 5.551 1.00 8.05 C ANISOU 41 C2 DA B 5 1278 961 821 -386 399 -273 C ATOM 42 N3 DA B 5 -8.116 0.099 5.722 1.00 5.91 N ANISOU 42 N3 DA B 5 590 645 1012 -149 -51 -55 N ATOM 43 C4 DA B 5 -7.262 1.065 5.277 1.00 7.58 C ANISOU 43 C4 DA B 5 1260 703 917 93 -403 -172 C TER 44 DA B 5 HETATM 45 CO CO B 8 -5.050 6.966 4.083 1.00 15.61 CO ANISOU 45 CO CO B 8 1799 1642 2491 139 125 322 CO HETATM 46 O HOH A 103 0.000 13.069 0.654 0.33 13.17 O ANISOU 46 O HOH A 103 1945 1945 1114 0 0 0 O HETATM 47 O HOH A 104 -1.831 14.584 -0.716 1.00 13.18 O ANISOU 47 O HOH A 104 2190 1748 1070 165 -131 165 O HETATM 48 O HOH A 108 -4.212 8.817 7.443 1.00 28.37 O ANISOU 48 O HOH A 108 6333 3755 693 -1318 132 -140 O HETATM 49 O HOH A 109 -10.284 15.425 1.025 1.00 47.55 O ANISOU 49 O HOH A 109 7563 7523 2982 -4078 2498 -2031 O HETATM 50 O HOH A 112 -6.575 17.108 2.483 1.00 27.85 O ANISOU 50 O HOH A 112 4073 2512 3998 731 -2706 -328 O HETATM 51 O HOH A 113 -12.807 12.290 0.507 0.50 15.55 O ANISOU 51 O HOH A 113 4201 1106 601 -682 74 -214 O HETATM 52 O HOH A 114 -2.772 18.545 0.209 0.50 14.79 O ANISOU 52 O HOH A 114 2736 1272 1613 417 837 58 O HETATM 53 O HOH A 117 -1.260 10.887 7.430 0.25 13.33 O ANISOU 53 O HOH A 117 2233 1673 1161 -484 -18 11 O HETATM 54 O HOH A 121 -4.166 8.681 4.914 1.00 12.04 O ANISOU 54 O HOH A 121 1417 1258 1901 -391 361 -468 O HETATM 55 O HOH A 122 -5.234 7.988 2.292 1.00 9.54 O ANISOU 55 O HOH A 122 1328 1071 1226 -92 33 152 O HETATM 56 O HOH B 101 -11.319 6.535 4.942 0.33 7.66 O ANISOU 56 O HOH B 101 1190 1190 530 0 0 0 O HETATM 57 O HOH B 102 -8.936 6.711 3.282 1.00 9.43 O ANISOU 57 O HOH B 102 1343 964 1275 -257 270 -325 O HETATM 58 O HOH B 105 -8.692 -1.985 7.430 0.25 6.90 O ANISOU 58 O HOH B 105 879 676 1067 -175 -443 256 O HETATM 59 O HOH B 106 0.000 0.000 3.726 0.33 13.05 O ANISOU 59 O HOH B 106 1803 1803 1351 0 0 0 O HETATM 60 O HOH B 107 -2.865 4.962 0.000 0.50 19.28 O ANISOU 60 O HOH B 107 2922 2203 2199 -622 -706 408 O HETATM 61 O HOH B 110 -6.735 -2.957 5.625 0.50 24.86 O ANISOU 61 O HOH B 110 4224 1292 3928 -1557 -3514 1664 O HETATM 62 O HOH B 111 -5.438 3.650 7.430 0.50 21.37 O ANISOU 62 O HOH B 111 2174 2590 3354 360 -203 118 O HETATM 63 O HOH B 115 -1.936 1.716 2.828 1.00 30.81 O ANISOU 63 O HOH B 115 3697 3484 4527 224 882 2023 O HETATM 64 O HOH B 116 -3.878 3.518 2.619 1.00 44.66 O ANISOU 64 O HOH B 116 9530 2228 5212 -22 -5054 -344 O HETATM 65 O HOH B 118 -6.777 7.616 4.825 1.00 9.95 O ANISOU 65 O HOH B 118 838 986 1956 72 162 263 O HETATM 66 O HOH B 119 -3.145 6.249 3.447 1.00 9.64 O ANISOU 66 O HOH B 119 925 1121 1616 -4 318 29 O HETATM 67 O HOH B 120 -4.815 5.806 5.786 1.00 10.38 O ANISOU 67 O HOH B 120 1182 1163 1598 -132 -71 313 O HETATM 68 O HOH B 123 -5.993 5.422 3.082 1.00 8.82 O ANISOU 68 O HOH B 123 1143 1021 1189 -258 -33 106 O CONECT 45 54 55 65 66 CONECT 45 67 68 CONECT 54 45 CONECT 55 45 CONECT 65 45 CONECT 66 45 CONECT 67 45 CONECT 68 45 MASTER 331 0 1 0 0 0 2 6 66 2 8 2 END