HEADER REPLICATION INHIBITOR 16-OCT-04 1XRX TITLE CRYSTAL STRUCTURE OF A DNA-BINDING PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: SEQA PROTEIN; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: N-TERMINAL DOMAIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: SEQA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS PROTEIN FILAMENT, LEFT-HANDED HELIX, DNA REPLICATION INHIBITOR, KEYWDS 2 REPLICATION INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR A.GUARNE,T.BRENDLER,Q.ZHAO,R.GHIRLANDO,S.AUSTIN,W.YANG REVDAT 3 13-JUL-11 1XRX 1 VERSN REVDAT 2 24-FEB-09 1XRX 1 VERSN REVDAT 1 10-MAY-05 1XRX 0 JRNL AUTH A.GUARNE,T.BRENDLER,Q.ZHAO,R.GHIRLANDO,S.AUSTIN,W.YANG JRNL TITL CRYSTAL STRUCTURE OF A SEQA-N FILAMENT: IMPLICATIONS FOR DNA JRNL TITL 2 REPLICATION AND CHROMOSOME ORGANIZATION. JRNL REF EMBO J. V. 24 1502 2005 JRNL REFN ISSN 0261-4189 JRNL PMID 15933720 JRNL DOI 10.1038/SJ.EMBOJ.7600634 REMARK 2 REMARK 2 RESOLUTION. 2.15 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1242499.830 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.4 REMARK 3 NUMBER OF REFLECTIONS : 24365 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) : 0.222 REMARK 3 FREE R VALUE : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.800 REMARK 3 FREE R VALUE TEST SET COUNT : 1665 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.28 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3491 REMARK 3 BIN R VALUE (WORKING SET) : 0.4380 REMARK 3 BIN FREE R VALUE : 0.4750 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 6.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 254 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.030 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1144 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 175 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 48.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -10.23000 REMARK 3 B22 (A**2) : -10.23000 REMARK 3 B33 (A**2) : 20.47000 REMARK 3 B12 (A**2) : -2.74000 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) : 0.32 REMARK 3 ESD FROM SIGMAA (A) : 0.49 REMARK 3 LOW RESOLUTION CUTOFF (A) : 25.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.50 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 0.90 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.61 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) : 3.690 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.280 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.190 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 8.080 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 59.15 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_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XRX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-OCT-04. REMARK 100 THE RCSB ID CODE IS RCSB030696. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-MAR-03; 24-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100; 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; N REMARK 200 RADIATION SOURCE : NSLS; ROTATING ANODE REMARK 200 BEAMLINE : X9B; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97938, 0.96859, 0.98241; 1.5418 REMARK 200 MONOCHROMATOR : TWO SI CRYSTALS; YALE MIRRORS REMARK 200 OPTICS : NULL; MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24398 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 200 DATA REDUNDANCY : 15.700 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : 0.05400 REMARK 200 FOR THE DATA SET : 26.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.6 REMARK 200 DATA REDUNDANCY IN SHELL : 9.80 REMARK 200 R MERGE FOR SHELL (I) : 0.46000 REMARK 200 R SYM FOR SHELL (I) : 0.41100 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD; SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 75.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 5.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, CALCIUM CHLORIDE, TRIS, REMARK 280 ISOPROPANOL, PH 8, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 20.67367 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 41.34733 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 41.34733 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 20.67367 REMARK 290 REMARK 290 REMARK: NULL REMARK 295 REMARK 295 NON-CRYSTALLOGRAPHIC SYMMETRY REMARK 295 THE TRANSFORMATIONS PRESENTED ON THE MTRIX RECORDS BELOW REMARK 295 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG ATOMS REMARK 295 IN THIS ENTRY. APPLYING THE APPROPRIATE MTRIX REMARK 295 TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL YIELD REMARK 295 APPROXIMATE COORDINATES FOR THE RESIDUES LISTED SECOND. REMARK 295 REMARK 295 APPLIED TO TRANSFORMED TO REMARK 295 TRANSFORM CHAIN RESIDUES CHAIN RESIDUES RMSD REMARK 295 SSS REMARK 295 M 1 A 1 .. 50 C 1 .. 50 REMARK 295 M 2 B 1 .. 50 D 1 .. 50 REMARK 295 REMARK 295 WHERE SSS -> COLUMNS 8-10 OF MTRIX RECORDS REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC REMARK 300 UNIT WHICH CONSISTS OF 4 CHAINS (2 DIMERS). SEE REMARK REMARK 300 350 FOR INFORMATION ON GENERATING THE BIOLOGICAL REMARK 300 MOLECULE(S). REMARK 300 REMARK 300 THE ASYMMETRIC UNIT CONTAINS TWO DIMERS THAT FORM A REMARK 300 LINEAR POLYMER REPRESENTING THE KNOWN BIOLOGICALLY REMARK 300 SIGNIFICANT OLIGOMERIZATION STATE OF THE MOLECULE BY REMARK 300 APPLYING THE NON-CRYSTALLOGRAPHIC AND CRYSTALLOGRAPHIC REMARK 300 OPERATIONS GIVEN IN REMARKS 295 AND 350 AND THE MTRIX REMARK 300 RECORDS BELOW. 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: OCTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 56.08950 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 -97.14986 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 62.02100 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 C 98 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 SER A 36 REMARK 465 ALA A 37 REMARK 465 ALA A 38 REMARK 465 SER A 39 REMARK 465 GLN A 40 REMARK 465 PRO A 41 REMARK 465 ALA A 42 REMARK 465 ALA A 43 REMARK 465 PRO A 44 REMARK 465 VAL A 45 REMARK 465 THR A 46 REMARK 465 LYS A 47 REMARK 465 GLU A 48 REMARK 465 VAL A 49 REMARK 465 ARG A 50 REMARK 465 SER B 36 REMARK 465 ALA B 37 REMARK 465 ALA B 38 REMARK 465 SER B 39 REMARK 465 GLN B 40 REMARK 465 PRO B 41 REMARK 465 ALA B 42 REMARK 465 ALA B 43 REMARK 465 PRO B 44 REMARK 465 VAL B 45 REMARK 465 THR B 46 REMARK 465 LYS B 47 REMARK 465 GLU B 48 REMARK 465 VAL B 49 REMARK 465 ARG B 50 REMARK 465 SER C 36 REMARK 465 ALA C 37 REMARK 465 ALA C 38 REMARK 465 SER C 39 REMARK 465 GLN C 40 REMARK 465 PRO C 41 REMARK 465 ALA C 42 REMARK 465 ALA C 43 REMARK 465 PRO C 44 REMARK 465 VAL C 45 REMARK 465 THR C 46 REMARK 465 LYS C 47 REMARK 465 GLU C 48 REMARK 465 VAL C 49 REMARK 465 ARG C 50 REMARK 465 SER D 36 REMARK 465 ALA D 37 REMARK 465 ALA D 38 REMARK 465 SER D 39 REMARK 465 GLN D 40 REMARK 465 PRO D 41 REMARK 465 ALA D 42 REMARK 465 ALA D 43 REMARK 465 PRO D 44 REMARK 465 VAL D 45 REMARK 465 THR D 46 REMARK 465 LYS D 47 REMARK 465 GLU D 48 REMARK 465 VAL D 49 REMARK 465 ARG D 50 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 LYS B 34 -5.35 93.20 REMARK 500 LYS C 34 -20.65 91.18 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 522 DISTANCE = 7.50 ANGSTROMS REMARK 525 HOH A 534 DISTANCE = 6.08 ANGSTROMS REMARK 525 HOH C 91 DISTANCE = 5.08 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 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH C 78 O REMARK 620 2 HOH A 545 O 128.4 REMARK 620 3 HOH B 92 O 74.7 88.0 REMARK 620 4 HOH C 96 O 63.1 161.3 81.2 REMARK 620 5 HOH C 99 O 103.9 98.3 172.7 91.8 REMARK 620 N 1 2 3 4 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 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1LRR RELATED DB: PDB REMARK 900 SEQA DNA BINDING DOMAIN COMPLEXED WITH HEMIMETHYLATED DNA DBREF 1XRX A 1 50 UNP P36658 SEQA_ECOLI 1 50 DBREF 1XRX B 1 50 UNP P36658 SEQA_ECOLI 1 50 DBREF 1XRX C 1 50 UNP P36658 SEQA_ECOLI 1 50 DBREF 1XRX D 1 50 UNP P36658 SEQA_ECOLI 1 50 SEQADV 1XRX MSE A 1 UNP P36658 MET 1 MODIFIED RESIDUE SEQADV 1XRX MSE A 32 UNP P36658 MET 32 MODIFIED RESIDUE SEQADV 1XRX MSE B 1 UNP P36658 MET 1 MODIFIED RESIDUE SEQADV 1XRX MSE B 32 UNP P36658 MET 32 MODIFIED RESIDUE SEQADV 1XRX MSE C 1 UNP P36658 MET 1 MODIFIED RESIDUE SEQADV 1XRX MSE C 32 UNP P36658 MET 32 MODIFIED RESIDUE SEQADV 1XRX MSE D 1 UNP P36658 MET 1 MODIFIED RESIDUE SEQADV 1XRX MSE D 32 UNP P36658 MET 32 MODIFIED RESIDUE SEQRES 1 A 50 MSE LYS THR ILE GLU VAL ASP ASP GLU LEU TYR SER TYR SEQRES 2 A 50 ILE ALA SER HIS THR LYS HIS ILE GLY GLU SER ALA SER SEQRES 3 A 50 ASP ILE LEU ARG ARG MSE LEU LYS PHE SER ALA ALA SER SEQRES 4 A 50 GLN PRO ALA ALA PRO VAL THR LYS GLU VAL ARG SEQRES 1 B 50 MSE LYS THR ILE GLU VAL ASP ASP GLU LEU TYR SER TYR SEQRES 2 B 50 ILE ALA SER HIS THR LYS HIS ILE GLY GLU SER ALA SER SEQRES 3 B 50 ASP ILE LEU ARG ARG MSE LEU LYS PHE SER ALA ALA SER SEQRES 4 B 50 GLN PRO ALA ALA PRO VAL THR LYS GLU VAL ARG SEQRES 1 C 50 MSE LYS THR ILE GLU VAL ASP ASP GLU LEU TYR SER TYR SEQRES 2 C 50 ILE ALA SER HIS THR LYS HIS ILE GLY GLU SER ALA SER SEQRES 3 C 50 ASP ILE LEU ARG ARG MSE LEU LYS PHE SER ALA ALA SER SEQRES 4 C 50 GLN PRO ALA ALA PRO VAL THR LYS GLU VAL ARG SEQRES 1 D 50 MSE LYS THR ILE GLU VAL ASP ASP GLU LEU TYR SER TYR SEQRES 2 D 50 ILE ALA SER HIS THR LYS HIS ILE GLY GLU SER ALA SER SEQRES 3 D 50 ASP ILE LEU ARG ARG MSE LEU LYS PHE SER ALA ALA SER SEQRES 4 D 50 GLN PRO ALA ALA PRO VAL THR LYS GLU VAL ARG MODRES 1XRX MSE A 1 MET SELENOMETHIONINE MODRES 1XRX MSE A 32 MET SELENOMETHIONINE MODRES 1XRX MSE B 1 MET SELENOMETHIONINE MODRES 1XRX MSE B 32 MET SELENOMETHIONINE MODRES 1XRX MSE C 1 MET SELENOMETHIONINE MODRES 1XRX MSE C 32 MET SELENOMETHIONINE MODRES 1XRX MSE D 1 MET SELENOMETHIONINE MODRES 1XRX MSE D 32 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 32 8 HET MSE B 1 8 HET MSE B 32 8 HET MSE C 1 8 HET MSE C 32 8 HET MSE D 1 8 HET MSE D 32 8 HET CA A 501 1 HETNAM MSE SELENOMETHIONINE HETNAM CA CALCIUM ION FORMUL 1 MSE 8(C5 H11 N O2 SE) FORMUL 5 CA CA 2+ FORMUL 6 HOH *175(H2 O) HELIX 1 1 ASP A 7 SER A 16 1 10 HELIX 2 2 SER A 24 LYS A 34 1 11 HELIX 3 3 ASP B 7 SER B 16 1 10 HELIX 4 4 SER B 24 LYS B 34 1 11 HELIX 5 5 ASP C 7 SER C 16 1 10 HELIX 6 6 SER C 24 LYS C 34 1 11 HELIX 7 7 ASP D 7 SER D 16 1 10 HELIX 8 8 SER D 24 LYS D 34 1 11 SHEET 1 A 2 LYS A 2 VAL A 6 0 SHEET 2 A 2 LYS B 2 VAL B 6 -1 O VAL B 6 N LYS A 2 SHEET 1 B 2 LYS C 2 VAL C 6 0 SHEET 2 B 2 LYS D 2 VAL D 6 -1 O VAL D 6 N LYS C 2 LINK C MSE A 1 N LYS A 2 1555 1555 1.33 LINK C ARG A 31 N MSE A 32 1555 1555 1.33 LINK C MSE A 32 N LEU A 33 1555 1555 1.33 LINK CA CA A 501 O HOH C 78 1555 1555 2.79 LINK CA CA A 501 O HOH A 545 1555 1555 2.99 LINK CA CA A 501 O HOH B 92 1555 1555 3.01 LINK CA CA A 501 O HOH C 96 1555 1555 2.79 LINK C MSE B 1 N LYS B 2 1555 1555 1.33 LINK C ARG B 31 N MSE B 32 1555 1555 1.33 LINK C MSE B 32 N LEU B 33 1555 1555 1.33 LINK C MSE C 1 N LYS C 2 1555 1555 1.33 LINK C ARG C 31 N MSE C 32 1555 1555 1.33 LINK C MSE C 32 N LEU C 33 1555 1555 1.33 LINK C MSE D 1 N LYS D 2 1555 1555 1.33 LINK C ARG D 31 N MSE D 32 1555 1555 1.33 LINK C MSE D 32 N LEU D 33 1555 1555 1.33 LINK CA CA A 501 O HOH C 99 1555 6766 2.87 SITE 1 AC1 5 HOH A 545 HOH B 92 HOH C 78 HOH C 96 SITE 2 AC1 5 HOH C 99 CRYST1 112.179 112.179 62.021 90.00 90.00 120.00 P 31 2 1 24 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 0.008914 0.005147 0.000000 0.00000 SCALE2 0.000000 0.010293 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016124 0.00000 MTRIX1 1 0.279500 0.420800 -0.863000 81.11930 1 MTRIX2 1 0.428700 0.749600 0.504300 -15.34450 1 MTRIX3 1 0.859100 -0.511000 0.029200 -17.46730 1 HETATM 1 N MSE A 1 87.996 27.794 30.679 1.00 58.41 N HETATM 2 CA MSE A 1 86.635 28.063 31.229 1.00 55.15 C HETATM 3 C MSE A 1 86.662 29.225 32.213 1.00 51.84 C HETATM 4 O MSE A 1 87.600 29.378 32.996 1.00 48.62 O HETATM 5 CB MSE A 1 86.074 26.817 31.937 1.00 58.46 C HETATM 6 CG MSE A 1 85.587 25.698 31.018 1.00 70.51 C HETATM 7 SE MSE A 1 84.026 26.171 29.944 1.00 89.15 SE HETATM 8 CE MSE A 1 82.750 26.281 31.337 1.00 75.48 C