HEADER DNA REPAIR 19-JUN-98 1BIX TITLE THE CRYSTAL STRUCTURE OF THE HUMAN DNA REPAIR ENDONUCLEASE HAP1 TITLE 2 SUGGESTS THE RECOGNITION OF EXTRA-HELICAL DEOXYRIBOSE AT DNA ABASIC TITLE 3 SITES COMPND MOL_ID: 1; COMPND 2 MOLECULE: AP ENDONUCLEASE 1; COMPND 3 CHAIN: A; COMPND 4 EC: 4.2.99.18; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) KEYWDS DNA REPAIR, ENDONUCLEASE, HAP1, REF-1, ABASIC SITE RECOGNITION EXPDTA X-RAY DIFFRACTION AUTHOR M.A.GORMAN,S.MORERA,D.G.ROTHWELL,E.DE LA FORTELLE,C.D.MOL,J.A.TAINER, AUTHOR 2 I.D.HICKSON,P.S.FREEMONT REVDAT 4 07-FEB-24 1BIX 1 REMARK LINK REVDAT 3 24-FEB-09 1BIX 1 VERSN REVDAT 2 01-APR-03 1BIX 1 JRNL REVDAT 1 22-JUN-99 1BIX 0 JRNL AUTH M.A.GORMAN,S.MORERA,D.G.ROTHWELL,E.DE LA FORTELLE,C.D.MOL, JRNL AUTH 2 J.A.TAINER,I.D.HICKSON,P.S.FREEMONT JRNL TITL THE CRYSTAL STRUCTURE OF THE HUMAN DNA REPAIR ENDONUCLEASE JRNL TITL 2 HAP1 SUGGESTS THE RECOGNITION OF EXTRA-HELICAL DEOXYRIBOSE JRNL TITL 3 AT DNA ABASIC SITES. JRNL REF EMBO J. V. 16 6548 1997 JRNL REFN ISSN 0261-4189 JRNL PMID 9351835 JRNL DOI 10.1093/EMBOJ/16.21.6548 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.A.GORMAN REMARK 1 TITL CRYSTAL STRUCTURE OF THE HUMAN DNA REPAIR ENZYME AP REMARK 1 TITL 2 ENDONUCLEASE 1 REMARK 1 REF THESIS, THE OPEN UNIVERSITY 1998 REMARK 1 PUBL MILTON KEYES, ENG. : THE OPEN UNIVERSITY (THESIS) REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.84 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 15001 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) : 0.184 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1454 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1539 REMARK 3 BIN R VALUE (WORKING SET) : 0.2500 REMARK 3 BIN FREE R VALUE : 0.3110 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 193 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2190 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : 20.0 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) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 1.920 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.34 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.780 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : UNRESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPH19X.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BIX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171811. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 7.4 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15089 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.200 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 3.600 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 12.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.19 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.11400 REMARK 200 R SYM FOR SHELL (I) : 0.11400 REMARK 200 FOR SHELL : 2.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MULTIPLE ISOMORPHOUS REMARK 200 REPLACEMENT AND ANOMALOUS SCATTERING REMARK 200 SOFTWARE USED: SHARP, X-PLOR 3.84 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.4 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 43.63000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 22.35050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 43.63000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 22.35050 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: MONOMERIC 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 400 REMARK 400 COMPOUND REMARK 400 THE STRUCTURE IS A 35 AMINO ACID TRUNCATED FORM OF THE REMARK 400 'NATIVE' MOLECULE. 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 LYS A 32 REMARK 465 ASN A 33 REMARK 465 ASP A 34 REMARK 465 LYS A 35 REMARK 465 GLU A 36 REMARK 465 ALA A 37 REMARK 465 ALA A 38 REMARK 465 GLY A 39 REMARK 465 GLU A 40 REMARK 465 GLY A 41 REMARK 465 PRO A 42 REMARK 465 ALA A 43 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 LEU A 44 CG CD1 CD2 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER A 100 REMARK 475 GLU A 101 REMARK 475 ASN A 102 REMARK 475 LYS A 103 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 GLN A 109 CG CD OE1 NE2 REMARK 480 ASP A 124 CG OD1 OD2 REMARK 480 LYS A 125 CG CD CE NZ REMARK 480 ARG A 202 CG CD NE CZ NH1 NH2 REMARK 480 LYS A 224 CG CD CE NZ REMARK 480 LYS A 227 CG CD CE NZ REMARK 480 LYS A 228 CG CD CE NZ REMARK 480 ASN A 272 CG OD1 ND2 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 ASP A 308 CB - CG - OD1 ANGL. DEV. = 6.6 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 GLU A 101 -171.45 172.89 REMARK 500 LYS A 125 91.12 -58.60 REMARK 500 SER A 129 -145.21 53.03 REMARK 500 VAL A 213 132.07 -170.79 REMARK 500 PHE A 232 29.33 -145.71 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 SM A 402 SM REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 46 OE1 REMARK 620 2 GLU A 46 OE2 50.0 REMARK 620 3 ASP A 148 OD1 149.7 111.8 REMARK 620 4 GLU A 150 OE2 133.4 105.9 70.4 REMARK 620 5 GLU A 150 OE1 112.3 64.9 66.6 48.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SM A 401 SM REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 70 OD1 REMARK 620 2 GLU A 96 OE2 102.6 REMARK 620 3 GLU A 96 OE1 70.2 49.9 REMARK 620 4 HOH A 563 O 83.2 92.2 123.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SM A 403 SM REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 126 OE2 REMARK 620 2 LEU A 318 O 79.3 REMARK 620 3 LEU A 318 OXT 118.4 50.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SM A 400 SM REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 216 OE2 REMARK 620 2 GLU A 216 OE1 45.4 REMARK 620 3 GLU A 217 OE1 107.6 66.8 REMARK 620 4 GLU A 217 OE2 115.2 74.1 50.5 REMARK 620 5 GLU A 242 OE1 128.9 137.5 116.5 78.2 REMARK 620 6 GLN A 245 OE1 73.0 118.3 156.6 151.5 76.2 REMARK 620 7 HOH A 566 O 128.9 123.5 67.5 100.1 92.4 93.5 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 PT A 404 PT REMARK 620 N RES CSSEQI ATOM REMARK 620 1 MET A 271 SD REMARK 620 2 LYS A 276 NZ 130.4 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ROX REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CYS 65 HAS BEEN PROPOSED TO BE INVOLVED IN THE REMARK 800 REDUCTIVE ACTIVATION OF A NUMBER OF TRANSCRIPTION FACTORS REMARK 800 INCLUDING FOS/JUN AND P53. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SM A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SM A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SM A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SM A 403 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PT A 404 DBREF 1BIX A 32 318 UNP P27695 APEX1_HUMAN 31 317 SEQRES 1 A 287 LYS ASN ASP LYS GLU ALA ALA GLY GLU GLY PRO ALA LEU SEQRES 2 A 287 TYR GLU ASP PRO PRO ASP GLN LYS THR SER PRO SER GLY SEQRES 3 A 287 LYS PRO ALA THR LEU LYS ILE CYS SER TRP ASN VAL ASP SEQRES 4 A 287 GLY LEU ARG ALA TRP ILE LYS LYS LYS GLY LEU ASP TRP SEQRES 5 A 287 VAL LYS GLU GLU ALA PRO ASP ILE LEU CYS LEU GLN GLU SEQRES 6 A 287 THR LYS CYS SER GLU ASN LYS LEU PRO ALA GLU LEU GLN SEQRES 7 A 287 GLU LEU PRO GLY LEU SER HIS GLN TYR TRP SER ALA PRO SEQRES 8 A 287 SER ASP LYS GLU GLY TYR SER GLY VAL GLY LEU LEU SER SEQRES 9 A 287 ARG GLN CYS PRO LEU LYS VAL SER TYR GLY ILE GLY ASP SEQRES 10 A 287 GLU GLU HIS ASP GLN GLU GLY ARG VAL ILE VAL ALA GLU SEQRES 11 A 287 PHE ASP SER PHE VAL LEU VAL THR ALA TYR VAL PRO ASN SEQRES 12 A 287 ALA GLY ARG GLY LEU VAL ARG LEU GLU TYR ARG GLN ARG SEQRES 13 A 287 TRP ASP GLU ALA PHE ARG LYS PHE LEU LYS GLY LEU ALA SEQRES 14 A 287 SER ARG LYS PRO LEU VAL LEU CYS GLY ASP LEU ASN VAL SEQRES 15 A 287 ALA HIS GLU GLU ILE ASP LEU ARG ASN PRO LYS GLY ASN SEQRES 16 A 287 LYS LYS ASN ALA GLY PHE THR PRO GLN GLU ARG GLN GLY SEQRES 17 A 287 PHE GLY GLU LEU LEU GLN ALA VAL PRO LEU ALA ASP SER SEQRES 18 A 287 PHE ARG HIS LEU TYR PRO ASN THR PRO TYR ALA TYR THR SEQRES 19 A 287 PHE TRP THR TYR MET MET ASN ALA ARG SER LYS ASN VAL SEQRES 20 A 287 GLY TRP ARG LEU ASP TYR PHE LEU LEU SER HIS SER LEU SEQRES 21 A 287 LEU PRO ALA LEU CYS ASP SER LYS ILE ARG SER LYS ALA SEQRES 22 A 287 LEU GLY SER ASP HIS CYS PRO ILE THR LEU TYR LEU ALA SEQRES 23 A 287 LEU HET SM A 400 1 HET SM A 401 1 HET SM A 402 1 HET SM A 403 1 HET PT A 404 1 HETNAM SM SAMARIUM (III) ION HETNAM PT PLATINUM (II) ION FORMUL 2 SM 4(SM 3+) FORMUL 6 PT PT 2+ FORMUL 7 HOH *155(H2 O) HELIX 1 1 LEU A 72 LYS A 77 1 6 HELIX 2 2 GLY A 80 GLU A 87 1 8 HELIX 3 3 ALA A 106 GLN A 109 5 4 HELIX 4 4 GLU A 149 HIS A 151 5 3 HELIX 5 5 ARG A 177 LEU A 179 5 3 HELIX 6 6 LEU A 182 ALA A 200 1 19 HELIX 7 7 GLU A 217 ASP A 219 5 3 HELIX 8 8 LYS A 224 ASN A 226 5 3 HELIX 9 9 PRO A 234 ALA A 246 1 13 HELIX 10 10 SER A 252 LEU A 256 1 5 HELIX 11 11 MET A 270 ASN A 272 5 3 HELIX 12 12 HIS A 289 ALA A 294 5 6 SHEET 1 A 6 HIS A 116 SER A 120 0 SHEET 2 A 6 VAL A 131 SER A 135 -1 N SER A 135 O HIS A 116 SHEET 3 A 6 ILE A 91 GLN A 95 -1 N LEU A 94 O GLY A 132 SHEET 4 A 6 LEU A 62 ASN A 68 1 N CYS A 65 O ILE A 91 SHEET 5 A 6 ILE A 312 LEU A 316 -1 N LEU A 316 O LEU A 62 SHEET 6 A 6 LEU A 295 ILE A 300 -1 N LYS A 299 O THR A 313 SHEET 1 B 5 LYS A 141 TYR A 144 0 SHEET 2 B 5 VAL A 157 GLU A 161 -1 N GLU A 161 O LYS A 141 SHEET 3 B 5 VAL A 166 TYR A 171 -1 N THR A 169 O ILE A 158 SHEET 4 B 5 LEU A 205 ASP A 210 1 N VAL A 206 O VAL A 166 SHEET 5 B 5 ASP A 283 LEU A 287 -1 N LEU A 286 O LEU A 207 LINK OE1 GLU A 46 SM SM A 402 3545 1555 2.29 LINK OE2 GLU A 46 SM SM A 402 3545 1555 2.86 LINK OD1 ASP A 70 SM SM A 401 1555 1555 2.52 LINK OE2 GLU A 96 SM SM A 401 1555 1555 2.32 LINK OE1 GLU A 96 SM SM A 401 1555 1555 2.75 LINK OE2 GLU A 126 SM SM A 403 1565 1555 2.54 LINK OD1 ASP A 148 SM SM A 402 1555 1555 2.39 LINK OE2 GLU A 150 SM SM A 402 1555 1555 2.61 LINK OE1 GLU A 150 SM SM A 402 1555 1555 2.71 LINK OE2 GLU A 216 SM SM A 400 1555 1555 2.97 LINK OE1 GLU A 216 SM SM A 400 1555 1555 2.71 LINK OE1 GLU A 217 SM SM A 400 1555 1555 2.35 LINK OE2 GLU A 217 SM SM A 400 1555 1555 2.68 LINK OE1 GLU A 242 SM SM A 400 2656 1555 2.57 LINK OE1 GLN A 245 SM SM A 400 2656 1555 2.18 LINK SD MET A 271 PT PT A 404 1555 1555 1.97 LINK NZ LYS A 276 PT PT A 404 1555 1555 2.92 LINK O LEU A 318 SM SM A 403 1555 1555 2.63 LINK OXT LEU A 318 SM SM A 403 1555 1555 2.57 LINK SM SM A 400 O HOH A 566 1555 2656 2.82 LINK SM SM A 401 O HOH A 563 1555 1555 2.79 CISPEP 1 VAL A 247 PRO A 248 0 -1.57 SITE 1 ROX 1 CYS A 65 SITE 1 AC1 5 GLU A 216 GLU A 217 GLU A 242 GLN A 245 SITE 2 AC1 5 HOH A 566 SITE 1 AC2 3 ASP A 70 GLU A 96 HOH A 563 SITE 1 AC3 3 GLU A 46 ASP A 148 GLU A 150 SITE 1 AC4 3 ASP A 124 GLU A 126 LEU A 318 SITE 1 AC5 2 MET A 271 LYS A 276 CRYST1 87.260 44.701 78.778 90.00 103.45 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 0.011460 0.000000 0.002741 0.00000 SCALE2 0.000000 0.022371 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013052 0.00000