PDB Short entry for 4B23 HEADER HYDROLASE/DNA 12-JUL-12 4B23 TITLE UNPRECEDENTED SCULPTING OF DNA AT ABASIC SITES BY DNA GLYCOSYLASE TITLE 2 HOMOLOG MAG2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: MAG2, DNA-3-METHYLADENINE GLYCOSYLASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 3-METHYLADENINE DNA GLYCOSIDASE 2,3MEA DNA GLYCOSYLASE 2; COMPND 5 EC: 3.2.2.21; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'-D(*GP*CP*TP*AP*CP*(3DR)P*AP*AP*TP*CP*GP)-3'; COMPND 9 CHAIN: X; COMPND 10 SYNONYM: ABASIC DNA; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: 5'-D(*CP*GP*AP*TP*TP*GP*GP*TP*AP*GP*CP)-3'; COMPND 14 CHAIN: Y; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SCHIZOSACCHAROMYCES POMBE; SOURCE 3 ORGANISM_TAXID: 4896; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET28; SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 12 ORGANISM_TAXID: 32630; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES; SOURCE 15 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 16 ORGANISM_TAXID: 32630 KEYWDS HYDROLASE-DNA COMPLEX, HYDROLASE, HELIX-HAIRPIN-HELIX DNA GLYCOSYLASE KEYWDS 2 HOMOLOGUE EXPDTA X-RAY DIFFRACTION AUTHOR B.DALHUS,L.NILSEN,H.KORVALD,J.HUFFMAN,R.J.FORSTROM,C.T.MCMURRAY, AUTHOR 2 I.ALSETH,J.A.TAINER,M.BJORAS REVDAT 3 08-MAY-24 4B23 1 LINK REVDAT 2 30-JAN-13 4B23 1 JRNL REVDAT 1 09-JAN-13 4B23 0 JRNL AUTH B.DALHUS,L.NILSEN,H.KORVALD,J.HUFFMAN,R.J.FORSTROM, JRNL AUTH 2 C.T.MCMURRAY,I.ALSETH,J.A.TAINER,M.BJORAS JRNL TITL SCULPTING OF DNA AT ABASIC SITES BY DNA GLYCOSYLASE HOMOLOG JRNL TITL 2 MAG2. JRNL REF STRUCTURE V. 21 154 2013 JRNL REFN ISSN 0969-2126 JRNL PMID 23245849 JRNL DOI 10.1016/J.STR.2012.11.004 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.4 REMARK 3 NUMBER OF REFLECTIONS : 21185 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 SET) : 0.248 REMARK 3 FREE R VALUE : 0.290 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1087 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2187 REMARK 3 BIN R VALUE (WORKING SET) : 0.2980 REMARK 3 BIN FREE R VALUE : 0.3930 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 111 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1646 REMARK 3 NUCLEIC ACID ATOMS : 437 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 208 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.87500 REMARK 3 B22 (A**2) : 3.57700 REMARK 3 B33 (A**2) : 3.29900 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.24 REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.24 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.185 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 19.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.950 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.360 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.140 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.070 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.100 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 51.11 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP-CUSTOM.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : CNS_TOPPAR:PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA-CUSTOM.TOP REMARK 3 TOPOLOGY FILE 3 : CNS_TOPPAR:WATER.TOP REMARK 3 TOPOLOGY FILE 4 : CNS_TOPPAR:ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4B23 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-JUL-12. REMARK 100 THE DEPOSITION ID IS D_1290053325. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22272 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.4 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.21000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.40 M (NH4) H2PO4 (NOT PH ADJUSTED), REMARK 280 6% 1,6-HEXANEDIOL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2 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,Y,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 X+1/2,-Y+1/2,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 34.24000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.26000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 62.87500 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.24000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.26000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 62.87500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 34.24000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.26000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 62.87500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 34.24000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.26000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 62.87500 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -21.6 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, X, Y 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 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 A2098 LIES ON A SPECIAL POSITION. 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 MET A -18 REMARK 465 GLY A -17 REMARK 465 SER A -16 REMARK 465 SER A -15 REMARK 465 HIS A -14 REMARK 465 HIS A -13 REMARK 465 HIS A -12 REMARK 465 HIS A -11 REMARK 465 HIS A -10 REMARK 465 SER A -9 REMARK 465 SER A -8 REMARK 465 GLY A -7 REMARK 465 LEU A -6 REMARK 465 VAL A -5 REMARK 465 PRO A -4 REMARK 465 ARG A -3 REMARK 465 GLY A -2 REMARK 465 SER A -1 REMARK 465 HIS A 0 REMARK 465 MET A 1 REMARK 465 SER A 2 REMARK 465 ARG A 210 REMARK 465 LYS A 211 REMARK 465 GLY A 212 REMARK 465 GLN A 213 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 HIS A 209 CA C O CB CG ND1 CD2 REMARK 470 HIS A 209 CE1 NE2 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 OD2 ASP A 18 O HOH A 2016 2.08 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 2152 O HOH A 2152 2555 1.66 REMARK 500 O HOH A 2093 O HOH A 2093 3555 1.89 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 ILE A 17 -152.61 -99.21 REMARK 500 ASN A 73 33.25 -140.48 REMARK 500 ASP A 74 5.19 56.75 REMARK 500 LYS A 140 -157.92 -131.80 REMARK 500 THR A 151 -60.86 -105.56 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4B21 RELATED DB: PDB REMARK 900 UNPRECEDENTED SCULPTING OF DNA AT ABASIC SITES BY DNA GLYCOSYLASE REMARK 900 HOMOLOG MAG2 REMARK 900 RELATED ID: 4B22 RELATED DB: PDB REMARK 900 UNPRECEDENTED SCULPTING OF DNA AT ABASIC SITES BY DNA GLYCOSYLASE REMARK 900 HOMOLOG MAG2 REMARK 900 RELATED ID: 4B24 RELATED DB: PDB REMARK 900 UNPRECEDENTED SCULPTING OF DNA AT ABASIC SITES BY DNA GLYCOSYLASE REMARK 900 HOMOLOG MAG2 REMARK 999 REMARK 999 SEQUENCE REMARK 999 CRYSTALLIZED PROTEIN CONTAIN N-TERMINAL UNCLEAVED REMARK 999 HEXSAHISTIDINE TAG (MGSSHHHHHSSGLVPRGSH) DBREF 4B23 A 1 213 UNP O94468 MAG2_SCHPO 1 213 DBREF 4B23 X 1 11 PDB 4B23 4B23 1 11 DBREF 4B23 Y 12 22 PDB 4B23 4B23 12 22 SEQADV 4B23 MET A -18 UNP O94468 EXPRESSION TAG SEQADV 4B23 GLY A -17 UNP O94468 EXPRESSION TAG SEQADV 4B23 SER A -16 UNP O94468 EXPRESSION TAG SEQADV 4B23 SER A -15 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A -14 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A -13 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A -12 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A -11 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A -10 UNP O94468 EXPRESSION TAG SEQADV 4B23 SER A -9 UNP O94468 EXPRESSION TAG SEQADV 4B23 SER A -8 UNP O94468 EXPRESSION TAG SEQADV 4B23 GLY A -7 UNP O94468 EXPRESSION TAG SEQADV 4B23 LEU A -6 UNP O94468 EXPRESSION TAG SEQADV 4B23 VAL A -5 UNP O94468 EXPRESSION TAG SEQADV 4B23 PRO A -4 UNP O94468 EXPRESSION TAG SEQADV 4B23 ARG A -3 UNP O94468 EXPRESSION TAG SEQADV 4B23 GLY A -2 UNP O94468 EXPRESSION TAG SEQADV 4B23 SER A -1 UNP O94468 EXPRESSION TAG SEQADV 4B23 HIS A 0 UNP O94468 EXPRESSION TAG SEQRES 1 A 232 MET GLY SER SER HIS HIS HIS HIS HIS SER SER GLY LEU SEQRES 2 A 232 VAL PRO ARG GLY SER HIS MET SER LYS ASP SER ASP TYR SEQRES 3 A 232 LYS ARG ALA GLU LYS HIS LEU SER SER ILE ASP ASN LYS SEQRES 4 A 232 TRP SER SER LEU VAL LYS LYS VAL GLY PRO CYS THR LEU SEQRES 5 A 232 THR PRO HIS PRO GLU HIS ALA PRO TYR GLU GLY ILE ILE SEQRES 6 A 232 ARG ALA ILE THR SER GLN LYS LEU SER ASP ALA ALA THR SEQRES 7 A 232 ASN SER ILE ILE ASN LYS PHE CYS THR GLN CYS SER ASP SEQRES 8 A 232 ASN ASP GLU PHE PRO THR PRO LYS GLN ILE MET GLU THR SEQRES 9 A 232 ASP VAL GLU THR LEU HIS GLU CYS GLY PHE SER LYS LEU SEQRES 10 A 232 LYS SER GLN GLU ILE HIS ILE VAL ALA GLU ALA ALA LEU SEQRES 11 A 232 ASN LYS GLN ILE PRO SER LYS SER GLU ILE GLU LYS MET SEQRES 12 A 232 SER GLU GLU GLU LEU MET GLU SER LEU SER LYS ILE LYS SEQRES 13 A 232 GLY VAL LYS ARG TRP THR ILE GLU MET TYR SER ILE PHE SEQRES 14 A 232 THR LEU GLY ARG LEU ASP ILE MET PRO ALA ASP ASP SER SEQRES 15 A 232 THR LEU LYS ASN GLU ALA LYS GLU PHE PHE GLY LEU SER SEQRES 16 A 232 SER LYS PRO GLN THR GLU GLU VAL GLU LYS LEU THR LYS SEQRES 17 A 232 PRO CYS LYS PRO TYR ARG THR ILE ALA ALA TRP TYR LEU SEQRES 18 A 232 TRP GLN ILE PRO LYS LEU HIS ARG LYS GLY GLN SEQRES 1 X 11 DG DC DT DA DC 3DR DA DA DT DC DG SEQRES 1 Y 11 DC DG DA DT DT DG DG DT DA DG DC HET 3DR X 6 11 HETNAM 3DR 1',2'-DIDEOXYRIBOFURANOSE-5'-PHOSPHATE HETSYN 3DR ABASIC DIDEOXYRIBOSE FORMUL 2 3DR C5 H11 O6 P FORMUL 4 HOH *208(H2 O) HELIX 1 1 LYS A 3 SER A 15 1 13 HELIX 2 2 ASP A 18 GLY A 29 1 12 HELIX 3 3 ALA A 40 GLN A 52 1 13 HELIX 4 4 SER A 55 SER A 71 1 17 HELIX 5 5 THR A 78 GLU A 84 1 7 HELIX 6 6 ASP A 86 CYS A 93 1 8 HELIX 7 7 SER A 96 ASN A 112 1 17 HELIX 8 8 SER A 117 MET A 124 1 8 HELIX 9 9 SER A 125 SER A 134 1 10 HELIX 10 10 LYS A 140 THR A 151 1 12 HELIX 11 11 ASP A 162 PHE A 173 1 12 HELIX 12 12 GLN A 180 THR A 188 1 9 HELIX 13 13 LYS A 189 LYS A 192 5 4 HELIX 14 14 TYR A 194 ILE A 205 1 12 LINK O3' DC X 5 P 3DR X 6 1555 1555 1.60 LINK O3' 3DR X 6 P DA X 7 1555 1555 1.56 CISPEP 1 LYS A 192 PRO A 193 0 1.68 CRYST1 68.480 84.520 125.750 90.00 90.00 90.00 I 2 2 2 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 0.014603 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011832 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007952 0.00000