HEADER HYDROLASE/DNA 30-SEP-02 1MWI TITLE CRYSTAL STRUCTURE OF A MUG-DNA PRODUCT COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*CP*GP*CP*GP*AP*GP*(AAB)P*TP*CP*GP*CP*G)-3'; COMPND 3 CHAIN: D; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: G/U MISMATCH-SPECIFIC DNA GLYCOSYLASE; COMPND 7 CHAIN: A; COMPND 8 SYNONYM: MUG DNA GLYCOSYLASE, MISMATCH-SPECIFIC URACIL DNA- COMPND 9 GLYCOSYLASE, UDG; COMPND 10 EC: 3.2.2.-; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 5 ORGANISM_TAXID: 562; SOURCE 6 GENE: MUG; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PTRC99A KEYWDS DNA-GLYCOSYLASE, NUCLEOTIDE FLIPPING, ABASIC SITE, HYDROLASE-DNA KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.E.BARRETT,R.SAVVA,G.PANAYOTOU,T.BROWN,T.BARLOW,J.JIRICNY,L.H.PEARL REVDAT 7 03-APR-24 1MWI 1 REMARK REVDAT 6 14-FEB-24 1MWI 1 LINK REVDAT 5 09-JUL-14 1MWI 1 VERSN HETNAM HETSYN REVDAT 4 24-FEB-09 1MWI 1 VERSN REVDAT 3 01-APR-03 1MWI 1 JRNL REVDAT 2 11-OCT-02 1MWI 1 REMARK REVDAT 1 04-OCT-02 1MWI 0 JRNL AUTH T.E.BARRETT,R.SAVVA,G.PANAYOTOU,T.BARLOW,T.BROWN,J.JIRICNY, JRNL AUTH 2 L.H.PEARL JRNL TITL CRYSTAL STRUCTURE OF A G:T/U MISMATCH-SPECIFIC DNA JRNL TITL 2 GLYCOSYLASE: MISMATCH RECOGNITION BY COMPLEMENTARY-STRAND JRNL TITL 3 INTERACTIONS. JRNL REF CELL(CAMBRIDGE,MASS.) V. 92 117 1998 JRNL REFN ISSN 0092-8674 JRNL PMID 9489705 JRNL DOI 10.1016/S0092-8674(00)80904-6 REMARK 2 REMARK 2 RESOLUTION. 2.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 14.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1604690.930 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 9878 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) : 0.210 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 477 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.015 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.50 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1102 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE : 0.2900 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 64 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.042 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1271 REMARK 3 NUCLEIC ACID ATOMS : 236 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 122 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.37 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.190 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.620 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.530 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.500 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.800 ; 2.500 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER.PAR REMARK 3 PARAMETER FILE 3 : DNA2.PAR REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : DNA2.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NO ELECTRON DENSITY IS OBSERVED FOR REMARK 3 RESDUES 166 TO 168. RESIDUES A1, A109, A150 AND A151 WERE REMARK 3 REFINED AS ALANINE. D1P CORRESPONDS TO AN ABASIC SITE REMARK 4 REMARK 4 1MWI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-OCT-02. REMARK 100 THE DEPOSITION ID IS D_1000017248. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-AUG-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX7.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.488 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL 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 : 10144 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.350 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 4.500 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : 0.06100 REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.35 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.2 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.20000 REMARK 200 R SYM FOR SHELL (I) : 0.20000 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NATIVE MUG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM ACETATE,, PH 4.6, REMARK 280 MICROBATCH, TEMPERATURE 289K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 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 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 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 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 50.67500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 22.50500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 50.67500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 22.50500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 50.67500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 22.50500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 50.67500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 50.67500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 22.50500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). THE SECOND STRAND OF THE REMARK 300 DNA MOLECULE IS GENERATED BY APPLYING SYMMETRY OPERATOR REMARK 300 7_556 : Y, X, 1-Z, TO D1P AND BASES 8-12, AND APPLYING REMARK 300 SYMMETRY OPERATOR 7_557 : Y, X, 2-Z, TO BASES 1-6. 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: D, 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 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 ARG A 166 REMARK 465 GLY A 167 REMARK 465 ARG A 168 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 MET A 1 CG SD CE REMARK 470 LYS A 109 CG CD CE NZ REMARK 470 ARG A 119 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 150 CG CD OE1 OE2 REMARK 470 LYS A 151 CG CD CE NZ 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 DA D 5 C3' DA D 5 C2' -0.065 REMARK 500 DG D 6 C5' DG D 6 C4' 0.046 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 D 3 O4' - C1' - N1 ANGL. DEV. = 2.2 DEGREES REMARK 500 DA D 5 O4' - C1' - N9 ANGL. DEV. = 3.6 DEGREES REMARK 500 DG D 6 O4' - C1' - N9 ANGL. DEV. = 2.2 DEGREES REMARK 500 DC D 11 O4' - C1' - N1 ANGL. DEV. = 2.8 DEGREES 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 VAL A 164 170.53 -59.24 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MUG RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NATIVE MUG DBREF 1MWI A 1 168 UNP P0A9H1 MUG_ECOLI 1 168 DBREF 1MWI D 1 12 PDB 1MWI 1MWI 1 12 SEQRES 1 D 12 DC DG DC DG DA DG AAB DT DC DG DC DG SEQRES 1 A 168 MET VAL GLU ASP ILE LEU ALA PRO GLY LEU ARG VAL VAL SEQRES 2 A 168 PHE CYS GLY ILE ASN PRO GLY LEU SER SER ALA GLY THR SEQRES 3 A 168 GLY PHE PRO PHE ALA HIS PRO ALA ASN ARG PHE TRP LYS SEQRES 4 A 168 VAL ILE TYR GLN ALA GLY PHE THR ASP ARG GLN LEU LYS SEQRES 5 A 168 PRO GLN GLU ALA GLN HIS LEU LEU ASP TYR ARG CYS GLY SEQRES 6 A 168 VAL THR LYS LEU VAL ASP ARG PRO THR VAL GLN ALA ASN SEQRES 7 A 168 GLU VAL SER LYS GLN GLU LEU HIS ALA GLY GLY ARG LYS SEQRES 8 A 168 LEU ILE GLU LYS ILE GLU ASP TYR GLN PRO GLN ALA LEU SEQRES 9 A 168 ALA ILE LEU GLY LYS GLN ALA TYR GLU GLN GLY PHE SER SEQRES 10 A 168 GLN ARG GLY ALA GLN TRP GLY LYS GLN THR LEU THR ILE SEQRES 11 A 168 GLY SER THR GLN ILE TRP VAL LEU PRO ASN PRO SER GLY SEQRES 12 A 168 LEU SER ARG VAL SER LEU GLU LYS LEU VAL GLU ALA TYR SEQRES 13 A 168 ARG GLU LEU ASP GLN ALA LEU VAL VAL ARG GLY ARG HET AAB D 7 12 HETNAM AAB 2'-DEOXY-RIBOFURANOSE-5'-MONOPHOSPHATE HETSYN AAB ABASIC DEOXYRIBOSE FORMUL 1 AAB C5 H11 O7 P FORMUL 3 HOH *122(H2 O) HELIX 1 1 GLY A 20 GLY A 27 1 8 HELIX 2 2 ARG A 36 ALA A 44 1 9 HELIX 3 3 LYS A 52 TYR A 62 5 11 HELIX 4 4 GLN A 76 VAL A 80 5 5 HELIX 5 5 SER A 81 GLN A 100 1 20 HELIX 6 6 GLY A 108 SER A 117 1 10 HELIX 7 7 SER A 148 LEU A 163 1 16 SHEET 1 A 5 CYS A 64 LYS A 68 0 SHEET 2 A 5 VAL A 12 GLY A 16 1 N PHE A 14 O GLY A 65 SHEET 3 A 5 ALA A 103 LEU A 107 1 O ALA A 105 N VAL A 13 SHEET 4 A 5 THR A 133 LEU A 138 1 O TRP A 136 N ILE A 106 SHEET 5 A 5 GLY A 124 ILE A 130 -1 N GLY A 124 O VAL A 137 LINK O3' DG D 6 P AAB D 7 1555 1555 1.62 LINK O3' AAB D 7 P DT D 8 1555 1555 1.61 CRYST1 101.350 101.350 45.010 90.00 90.00 90.00 P 42 21 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 0.009870 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009870 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022220 0.00000