1PLQ - Header Asymmetric Unit

HEADER DNA-BINDING 02-JAN-95 1PLQ

TITLE CRYSTAL STRUCTURE OF THE EUKARYOTIC DNA POLYMERASE PROCESSIVITY FACTOR TITLE 2 PCNA

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROLIFERATING CELL NUCLEAR ANTIGEN (PCNA); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932

KEYWDS DNA-BINDING, NUCLEAR PROTEIN, DNA REPLICATION, PROCESSIVITY FACTOR

EXPDTA X-RAY DIFFRACTION

AUTHOR T.S.R.KRISHNA,X.-P.KONG,S.GARY,P.M.BURGERS,J.KURIYAN

REVDAT 4 26-JAN-11 1PLQ 1 REMARK REVDAT 3 24-FEB-09 1PLQ 1 VERSN REVDAT 2 01-APR-03 1PLQ 1 JRNL REVDAT 1 31-MAR-95 1PLQ 0

JRNL AUTH T.S.KRISHNA,X.P.KONG,S.GARY,P.M.BURGERS,J.KURIYAN JRNL TITL CRYSTAL STRUCTURE OF THE EUKARYOTIC DNA POLYMERASE JRNL TITL 2 PROCESSIVITY FACTOR PCNA. JRNL REF CELL(CAMBRIDGE,MASS.) V. 79 1233 1994 JRNL REFN ISSN 0092-8674 JRNL PMID 8001157 JRNL DOI 10.1016/0092-8674(94)90014-0

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.S.R.KRISHNA,X.-P.KONG,S.GARY,P.BURGERS,J.KURIYAN REMARK 1 TITL CRYSTALLIZATION OF PROLIFERATING CELL NUCLEAR ANTIGEN (PCNA) REMARK 1 TITL 2 FROM SACCHAROMYCES CEREVISIAE REMARK 1 REF J.MOL.BIOL. V. 241 265 1994 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.KURIYAN,M.DONNELL REMARK 1 TITL SLIDING CLAMPS OF DNA POLYMERASES REMARK 1 REF J.MOL.BIOL. V. 234 915 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH X.-P.KONG,R.ONRUST,M.DONNELL,J.KURIYAN REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF THE BETA SUBUNIT OF E. COLI REMARK 1 TITL 2 DNA POLYMERASE III HOLOENZYME: A SLIDING DNA CLAMP REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 69 425 1992 REMARK 1 REFN ISSN 0092-8674

REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 22454 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.187 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 2030 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 34.60 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) : NULL 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.75 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1PLQ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26608 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z REMARK 290 5555 Z,X,Y REMARK 290 6555 Z+1/2,-X+1/2,-Y REMARK 290 7555 -Z+1/2,-X,Y+1/2 REMARK 290 8555 -Z,X+1/2,-Y+1/2 REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z+1/2,-X+1/2 REMARK 290 11555 Y+1/2,-Z+1/2,-X REMARK 290 12555 -Y+1/2,-Z,X+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 60.60000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 60.60000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 60.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 60.60000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 60.60000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 60.60000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 60.60000 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 60.60000 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 60.60000 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 60.60000 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 60.60000 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 60.60000 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 60.60000 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 60.60000 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 60.60000 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 60.60000 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 60.60000 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 60.60000 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 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 0.000000 0.000000 1.000000 60.60000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 60.60000 REMARK 350 BIOMT3 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 60.60000 REMARK 350 BIOMT2 3 0.000000 0.000000 -1.000000 0.00000 REMARK 350 BIOMT3 3 1.000000 0.000000 0.000000 -60.60000

REMARK 400 REMARK 400 COMPOUND REMARK 400 THE STRUCTURE IS THAT OF THE MERCURY COMPLEX OF PCNA.

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 GLU A 258 C GLU A 258 O 0.141 REMARK 500 GLU A 258 C GLU A 258 OXT -0.138 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 LEU A 68 CA - CB - CG ANGL. DEV. = 16.4 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 ASP A 21 -55.46 72.93 REMARK 500 HIS A 64 104.74 -171.88 REMARK 500 ASN A 83 3.52 52.87 REMARK 500 ASN A 84 -40.55 67.70 REMARK 500 ASP A 109 -81.58 -20.59 REMARK 500 ASP A 124 69.17 -164.37 REMARK 500 ASP A 150 -79.46 -57.96 REMARK 500 GLU A 165 27.92 49.60 REMARK 500 HIS A 190 100.81 159.55 REMARK 500 SER A 243 74.57 63.43 REMARK 500 ASN A 255 -27.89 -178.89 REMARK 500 ASP A 256 75.20 -153.80 REMARK 500 GLU A 257 35.86 -153.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 GLU A 257 23.1 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL

REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE STRUCTURE IS OF THE MERCURY COMPLEX OF THE PROTEIN REMARK 600 INVOLVING TWO MERCURY ATOMS PER MONOMER. THE FIRST MERCURY REMARK 600 ATOM CROSSLINKS THE SIDE CHAINS OF CYS 30 AND CYS 62 BY REMARK 600 FORMING COVALENT BONDS WITH SULFUR ATOMS OF THESE CYS REMARK 600 RESIDUES. THE SECOND MERCURY IS BOUND TO CYS 22.

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 HG A 501 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 62 SG REMARK 620 2 MET A 1 O 102.0 REMARK 620 3 CYS A 30 SG 162.6 95.3 REMARK 620 4 CYS A 30 O 98.5 149.6 66.5 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HG A 502 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 22 SG REMARK 620 2 LYS A 217 NZ 137.7 REMARK 620 3 LYS A 20 O 90.5 51.3 REMARK 620 4 ASP A 214 O 110.0 99.7 148.0 REMARK 620 5 GLY A 18 O 89.3 115.6 105.8 99.0 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 HG A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 502

DBREF 1PLQ A 1 258 UNP P15873 PCNA_YEAST 1 258

SEQRES 1 A 258 MET LEU GLU ALA LYS PHE GLU GLU ALA SER LEU PHE LYS SEQRES 2 A 258 ARG ILE ILE ASP GLY PHE LYS ASP CYS VAL GLN LEU VAL SEQRES 3 A 258 ASN PHE GLN CYS LYS GLU ASP GLY ILE ILE ALA GLN ALA SEQRES 4 A 258 VAL ASP ASP SER ARG VAL LEU LEU VAL SER LEU GLU ILE SEQRES 5 A 258 GLY VAL GLU ALA PHE GLN GLU TYR ARG CYS ASP HIS PRO SEQRES 6 A 258 VAL THR LEU GLY MET ASP LEU THR SER LEU SER LYS ILE SEQRES 7 A 258 LEU ARG CYS GLY ASN ASN THR ASP THR LEU THR LEU ILE SEQRES 8 A 258 ALA ASP ASN THR PRO ASP SER ILE ILE LEU LEU PHE GLU SEQRES 9 A 258 ASP THR LYS LYS ASP ARG ILE ALA GLU TYR SER LEU LYS SEQRES 10 A 258 LEU MET ASP ILE ASP ALA ASP PHE LEU LYS ILE GLU GLU SEQRES 11 A 258 LEU GLN TYR ASP SER THR LEU SER LEU PRO SER SER GLU SEQRES 12 A 258 PHE SER LYS ILE VAL ARG ASP LEU SER GLN LEU SER ASP SEQRES 13 A 258 SER ILE ASN ILE MET ILE THR LYS GLU THR ILE LYS PHE SEQRES 14 A 258 VAL ALA ASP GLY ASP ILE GLY SER GLY SER VAL ILE ILE SEQRES 15 A 258 LYS PRO PHE VAL ASP MET GLU HIS PRO GLU THR SER ILE SEQRES 16 A 258 LYS LEU GLU MET ASP GLN PRO VAL ASP LEU THR PHE GLY SEQRES 17 A 258 ALA LYS TYR LEU LEU ASP ILE ILE LYS GLY SER SER LEU SEQRES 18 A 258 SER ASP ARG VAL GLY ILE ARG LEU SER SER GLU ALA PRO SEQRES 19 A 258 ALA LEU PHE GLN PHE ASP LEU LYS SER GLY PHE LEU GLN SEQRES 20 A 258 PHE PHE LEU ALA PRO LYS PHE ASN ASP GLU GLU

HET HG A 501 1 HET HG A 502 1

HETNAM HG MERCURY (II) ION

FORMUL 2 HG 2(HG 2+) FORMUL 4 HOH *117(H2 O)

HELIX 1 1 ALA A 9 PHE A 19 1 11 HELIX 2 2 VAL A 54 ALA A 56 5 3 HELIX 3 3 LEU A 72 ILE A 78 1 7 HELIX 4 4 SER A 141 LEU A 154 1 14 HELIX 5 5 PRO A 191 THR A 193 5 3 HELIX 6 6 ALA A 209 SER A 220 1 12

SHEET 1 A 4 LEU A 2 PHE A 6 0 SHEET 2 A 4 THR A 87 ALA A 92 -1 N ALA A 92 O LEU A 2 SHEET 3 A 4 SER A 98 GLU A 104 -1 N GLU A 104 O THR A 87 SHEET 4 A 4 ILE A 111 LYS A 117 -1 N LEU A 116 O ILE A 99 SHEET 1 B 9 VAL A 66 ASP A 71 0 SHEET 2 B 9 LEU A 25 LYS A 31 -1 N CYS A 30 O VAL A 66 SHEET 3 B 9 GLY A 34 VAL A 40 -1 N GLN A 38 O ASN A 27 SHEET 4 B 9 LEU A 46 GLY A 53 -1 N ILE A 52 O ILE A 35 SHEET 5 B 9 GLY A 244 LEU A 250 -1 N PHE A 249 O LEU A 47 SHEET 6 B 9 ALA A 235 LEU A 241 -1 N LEU A 241 O GLY A 244 SHEET 7 B 9 ARG A 224 LEU A 229 -1 N ARG A 228 O LEU A 236 SHEET 8 B 9 SER A 135 PRO A 140 -1 N LEU A 139 O VAL A 225 SHEET 9 B 9 LYS A 196 MET A 199 -1 N GLU A 198 O THR A 136 SHEET 1 C 4 VAL A 203 GLY A 208 0 SHEET 2 C 4 SER A 157 THR A 163 -1 N ILE A 162 O VAL A 203 SHEET 3 C 4 THR A 166 ASP A 172 -1 N VAL A 170 O ASN A 159 SHEET 4 C 4 SER A 177 ILE A 182 -1 N ILE A 182 O ILE A 167

LINK HG HG A 501 SG CYS A 62 1555 1555 2.44 LINK HG HG A 501 O MET A 1 1555 1555 2.86 LINK HG HG A 501 SG CYS A 30 1555 1555 2.46 LINK HG HG A 501 O CYS A 30 1555 1555 3.42 LINK HG HG A 502 SG CYS A 22 1555 1555 2.56 LINK HG HG A 502 NZ LYS A 217 1555 1555 3.25 LINK HG HG A 502 O LYS A 20 1555 1555 2.63 LINK HG HG A 502 O ASP A 214 1555 1555 3.50 LINK HG HG A 502 O GLY A 18 1555 1555 2.80

SITE 1 AC1 5 MET A 1 CYS A 30 LYS A 31 CYS A 62 SITE 2 AC1 5 HIS A 64 SITE 1 AC2 5 GLY A 18 LYS A 20 CYS A 22 ASP A 214 SITE 2 AC2 5 LYS A 217

CRYST1 121.200 121.200 121.200 90.00 90.00 90.00 P 21 3 12

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 0.008251 0.000000 0.000000 0.00000

SCALE2 0.000000 0.008251 0.000000 0.00000

SCALE3 0.000000 0.000000 0.008251 0.00000