1KX3 - Header Asymmetric Unit

HEADER STRUCTURAL PROTEIN/DNA 31-JAN-02 1KX3

TITLE X-RAY STRUCTURE OF THE NUCLEOSOME CORE PARTICLE, NCP146, AT TITLE 2 2.0 A RESOLUTION

COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA COMPND 3 (5'(ATCAATATCCACCTGCAGATTCTACCAAAAGTGTATTTGGAAACTGCTCCATCAA COMPND 4 AAGGCATGTTCAGCTGAATTCAGCTGAACATGCCTTTTGATGGAGCAGTTTCCAAATAC COMPND 5 ACTTTTGGTAGAATCTGCAGGTGGATATTGAT)3'); COMPND 6 CHAIN: I, J; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: PALINDROMIC 146 BASE PAIR DNA DUPLEX; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: HISTONE H3; COMPND 11 CHAIN: A, E; COMPND 12 ENGINEERED: YES; COMPND 13 MOL_ID: 3; COMPND 14 MOLECULE: HISTONE H4; COMPND 15 CHAIN: B, F; COMPND 16 ENGINEERED: YES; COMPND 17 MOL_ID: 4; COMPND 18 MOLECULE: HISTONE H2A.1; COMPND 19 CHAIN: C, G; COMPND 20 ENGINEERED: YES; COMPND 21 MOL_ID: 5; COMPND 22 MOLECULE: HISTONE H2B.2; COMPND 23 CHAIN: D, H; COMPND 24 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; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 OTHER_DETAILS: DNA SEQUENCE SYNTHESIZED, CLONED, SOURCE 8 MULTIMERIZED, AND EXCISED FROM PLASMID; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 11 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 12 ORGANISM_TAXID: 8355; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 15 MOL_ID: 3; SOURCE 16 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 17 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 18 ORGANISM_TAXID: 8355; SOURCE 19 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 20 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 21 MOL_ID: 4; SOURCE 22 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 23 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 24 ORGANISM_TAXID: 8355; SOURCE 25 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 26 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 27 MOL_ID: 5; SOURCE 28 ORGANISM_SCIENTIFIC: XENOPUS LAEVIS; SOURCE 29 ORGANISM_COMMON: AFRICAN CLAWED FROG; SOURCE 30 ORGANISM_TAXID: 8355; SOURCE 31 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 32 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS NUCLEOSOME, CHROMATIN, HISTONE, PROTEIN-DNA INTERACTION, KEYWDS 2 NUCLEOPROTEIN, SUPERCOILED DNA, NUCLEOSOME CORE, PROTEIN- KEYWDS 3 DNA COMPLEX, STRUCTURAL PROTEIN/DNA COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR C.A.DAVEY,D.F.SARGENT,K.LUGER,A.W.MAEDER,T.J.RICHMOND

REVDAT 2 24-FEB-09 1KX3 1 VERSN REVDAT 1 25-DEC-02 1KX3 0

JRNL AUTH C.A.DAVEY,D.F.SARGENT,K.LUGER,A.W.MAEDER, JRNL AUTH 2 T.J.RICHMOND JRNL TITL SOLVENT MEDIATED INTERACTIONS IN THE STRUCTURE OF JRNL TITL 2 THE NUCLEOSOME CORE PARTICLE AT 1.9 A RESOLUTION JRNL REF J.MOL.BIOL. V. 319 1097 2002 JRNL REFN ISSN 0022-2836 JRNL PMID 12079350 JRNL DOI 10.1016/S0022-2836(02)00386-8

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.LUGER,A.W.MAEDER,R.K.RICHMOND,D.F.SARGENT, REMARK 1 AUTH 2 T.J.RICHMOND REMARK 1 TITL CRYSTAL STRUCTURE OF THE NUCLEOSOME CORE PARTICLE REMARK 1 TITL 2 AT 2.8 A RESOLUTION REMARK 1 REF NATURE V. 389 251 1997 REMARK 1 REFN ISSN 0028-0836 REMARK 1 DOI 10.1038/38444

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.5 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 952374.430 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 136427 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) : 0.240 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2716 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.12 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 22125 REMARK 3 BIN R VALUE (WORKING SET) : 0.3090 REMARK 3 BIN FREE R VALUE : 0.3280 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 2.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 446 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6087 REMARK 3 NUCLEIC ACID ATOMS : 5980 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 943 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 35.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 58.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.12000 REMARK 3 B22 (A**2) : 5.33000 REMARK 3 B33 (A**2) : -7.45000 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) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.23 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 18.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.10 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) : 3.870 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.770 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.000 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1KX3 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-FEB-02. REMARK 100 THE RCSB ID CODE IS RCSB015429.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-96 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 27 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID09 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.85 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 : 145317 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.970 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 7.400 REMARK 200 R MERGE (I) : 0.06800 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) : 1.97 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.04 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.49500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL 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: PDB ENTRY 1AOI REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MANGANESE CHLORIDE, POTASSIUM REMARK 280 CHLORIDE, POTASSIUM CACODYLATE, PH 6.0, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 293K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 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 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 52.70000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 54.80000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 90.77000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 54.80000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 52.70000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 90.77000 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: DECAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: I, J, A, B, C, D, E, F, G, H 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 ALA A 1 REMARK 465 ARG A 2 REMARK 465 THR A 3 REMARK 465 LYS A 4 REMARK 465 GLN A 5 REMARK 465 THR A 6 REMARK 465 ALA A 7 REMARK 465 ARG A 8 REMARK 465 LYS A 9 REMARK 465 SER A 10 REMARK 465 THR A 11 REMARK 465 GLY A 12 REMARK 465 GLY A 13 REMARK 465 LYS A 14 REMARK 465 ALA A 15 REMARK 465 PRO A 16 REMARK 465 ARG A 17 REMARK 465 LYS A 18 REMARK 465 GLN A 19 REMARK 465 LEU A 20 REMARK 465 ALA A 21 REMARK 465 THR A 22 REMARK 465 LYS A 23 REMARK 465 ALA A 24 REMARK 465 ALA A 25 REMARK 465 ARG A 26 REMARK 465 LYS A 27 REMARK 465 SER A 28 REMARK 465 ALA A 29 REMARK 465 PRO A 30 REMARK 465 ALA A 31 REMARK 465 THR A 32 REMARK 465 GLY A 33 REMARK 465 GLY A 34 REMARK 465 VAL A 35 REMARK 465 LYS A 36 REMARK 465 LYS A 37 REMARK 465 SER B 1 REMARK 465 GLY B 2 REMARK 465 ARG B 3 REMARK 465 GLY B 4 REMARK 465 LYS B 5 REMARK 465 GLY B 6 REMARK 465 GLY B 7 REMARK 465 LYS B 8 REMARK 465 GLY B 9 REMARK 465 LEU B 10 REMARK 465 GLY B 11 REMARK 465 LYS B 12 REMARK 465 GLY B 13 REMARK 465 GLY B 14 REMARK 465 ALA B 15 REMARK 465 LYS B 16 REMARK 465 ARG B 17 REMARK 465 HIS B 18 REMARK 465 ARG B 19 REMARK 465 LYS B 20 REMARK 465 SER C 1 REMARK 465 GLY C 2 REMARK 465 ARG C 3 REMARK 465 GLY C 4 REMARK 465 LYS C 5 REMARK 465 GLN C 6 REMARK 465 GLY C 7 REMARK 465 GLY C 8 REMARK 465 LYS C 9 REMARK 465 THR C 10 REMARK 465 ARG C 11 REMARK 465 ALA C 12 REMARK 465 LYS C 13 REMARK 465 GLU C 121 REMARK 465 SER C 122 REMARK 465 SER C 123 REMARK 465 LYS C 124 REMARK 465 SER C 125 REMARK 465 LYS C 126 REMARK 465 SER C 127 REMARK 465 LYS C 128 REMARK 465 PRO D -2 REMARK 465 GLU D -1 REMARK 465 PRO D 0 REMARK 465 ALA D 1 REMARK 465 LYS D 2 REMARK 465 SER D 3 REMARK 465 ALA D 4 REMARK 465 PRO D 5 REMARK 465 ALA D 6 REMARK 465 PRO D 7 REMARK 465 LYS D 8 REMARK 465 LYS D 9 REMARK 465 GLY D 10 REMARK 465 SER D 11 REMARK 465 LYS D 12 REMARK 465 LYS D 13 REMARK 465 ALA D 14 REMARK 465 VAL D 15 REMARK 465 THR D 16 REMARK 465 LYS D 17 REMARK 465 THR D 18 REMARK 465 GLN D 19 REMARK 465 LYS D 20 REMARK 465 LYS D 21 REMARK 465 ASP D 22 REMARK 465 GLY D 23 REMARK 465 LYS D 24 REMARK 465 LYS D 25 REMARK 465 ARG D 26 REMARK 465 ARG D 27 REMARK 465 LYS D 28 REMARK 465 ALA E 1 REMARK 465 ARG E 2 REMARK 465 THR E 3 REMARK 465 LYS E 4 REMARK 465 GLN E 5 REMARK 465 THR E 6 REMARK 465 ALA E 7 REMARK 465 ARG E 8 REMARK 465 LYS E 9 REMARK 465 SER E 10 REMARK 465 THR E 11 REMARK 465 GLY E 12 REMARK 465 GLY E 13 REMARK 465 LYS E 14 REMARK 465 ALA E 15 REMARK 465 PRO E 16 REMARK 465 ARG E 17 REMARK 465 LYS E 18 REMARK 465 GLN E 19 REMARK 465 LEU E 20 REMARK 465 ALA E 21 REMARK 465 THR E 22 REMARK 465 LYS E 23 REMARK 465 ALA E 24 REMARK 465 ALA E 25 REMARK 465 ARG E 26 REMARK 465 LYS E 27 REMARK 465 SER E 28 REMARK 465 ALA E 29 REMARK 465 PRO E 30 REMARK 465 ALA E 31 REMARK 465 THR E 32 REMARK 465 GLY E 33 REMARK 465 GLY E 34 REMARK 465 VAL E 35 REMARK 465 LYS E 36 REMARK 465 LYS E 37 REMARK 465 SER F 1 REMARK 465 GLY F 2 REMARK 465 ARG F 3 REMARK 465 GLY F 4 REMARK 465 LYS F 5 REMARK 465 GLY F 6 REMARK 465 GLY F 7 REMARK 465 LYS F 8 REMARK 465 GLY F 9 REMARK 465 LEU F 10 REMARK 465 GLY F 11 REMARK 465 LYS F 12 REMARK 465 GLY F 13 REMARK 465 GLY F 14 REMARK 465 ALA F 15 REMARK 465 SER G 1 REMARK 465 GLY G 2 REMARK 465 ARG G 3 REMARK 465 GLY G 4 REMARK 465 LYS G 5 REMARK 465 GLN G 6 REMARK 465 GLY G 7 REMARK 465 GLY G 8 REMARK 465 LYS G 9 REMARK 465 THR G 10 REMARK 465 ARG G 11 REMARK 465 ALA G 12 REMARK 465 LYS G 13 REMARK 465 THR G 120 REMARK 465 GLU G 121 REMARK 465 SER G 122 REMARK 465 SER G 123 REMARK 465 LYS G 124 REMARK 465 SER G 125 REMARK 465 LYS G 126 REMARK 465 SER G 127 REMARK 465 LYS G 128 REMARK 465 PRO H -2 REMARK 465 GLU H -1 REMARK 465 PRO H 0 REMARK 465 ALA H 1 REMARK 465 LYS H 2 REMARK 465 SER H 3 REMARK 465 ALA H 4 REMARK 465 PRO H 5 REMARK 465 ALA H 6 REMARK 465 PRO H 7 REMARK 465 LYS H 8 REMARK 465 LYS H 9 REMARK 465 GLY H 10 REMARK 465 SER H 11 REMARK 465 LYS H 12 REMARK 465 LYS H 13 REMARK 465 ALA H 14 REMARK 465 VAL H 15 REMARK 465 THR H 16 REMARK 465 LYS H 17 REMARK 465 THR H 18 REMARK 465 GLN H 19 REMARK 465 LYS H 20 REMARK 465 LYS H 21 REMARK 465 ASP H 22 REMARK 465 GLY H 23 REMARK 465 LYS H 24 REMARK 465 LYS H 25 REMARK 465 ARG H 26 REMARK 465 ARG H 27 REMARK 465 LYS H 28

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 NE ARG E 63 O HOH E 1051 2.04 REMARK 500 OE1 GLU H 73 O HOH H 160 2.08 REMARK 500 O GLY B 101 O HOH B 111 2.15 REMARK 500 O GLY F 102 O HOH F 152 2.19 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 ARG C 81 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG C 81 NE - CZ - NH2 ANGL. DEV. = -4.4 DEGREES REMARK 500 ARG E 128 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG G 88 NE - CZ - NH1 ANGL. DEV. = 3.4 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 LEU B 22 -168.75 -58.60 REMARK 500 ARG B 23 116.80 177.12 REMARK 500 ASN C 110 105.81 -167.18 REMARK 500 LYS C 118 -146.09 52.24 REMARK 500 ALA D 121 52.04 -96.11 REMARK 500 ARG E 134 -19.92 -144.25 REMARK 500 HIS F 18 177.21 54.31 REMARK 500 ARG F 19 94.58 171.26 REMARK 500 LYS F 20 139.98 -30.50 REMARK 500 THR F 96 130.95 -39.87 REMARK 500 ASN G 110 115.29 -164.67 REMARK 500 ARG H 30 137.93 -31.32 REMARK 500 ALA H 121 116.84 -177.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 DT J -12 0.08 SIDE_CHAIN REMARK 500 DG J -6 0.06 SIDE_CHAIN REMARK 500 TYR D 39 0.08 SIDE_CHAIN 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 H 157 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH G 170 DISTANCE = 5.56 ANGSTROMS REMARK 525 HOH I1015 DISTANCE = 5.09 ANGSTROMS REMARK 525 HOH J1015 DISTANCE = 5.06 ANGSTROMS REMARK 525 HOH I1024 DISTANCE = 5.15 ANGSTROMS REMARK 525 HOH F 173 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH E1036 DISTANCE = 5.65 ANGSTROMS REMARK 525 HOH I1049 DISTANCE = 5.08 ANGSTROMS REMARK 525 HOH C 227 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH I1062 DISTANCE = 6.02 ANGSTROMS REMARK 525 HOH J1061 DISTANCE = 6.90 ANGSTROMS REMARK 525 HOH J1069 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH J1070 DISTANCE = 5.27 ANGSTROMS REMARK 525 HOH J1074 DISTANCE = 5.48 ANGSTROMS REMARK 525 HOH I1077 DISTANCE = 7.09 ANGSTROMS REMARK 525 HOH I1089 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH J1087 DISTANCE = 6.90 ANGSTROMS REMARK 525 HOH I1091 DISTANCE = 5.51 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 MN E 946 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH E1020 O REMARK 620 2 HOH E 999 O 92.8 REMARK 620 3 ASP E 77 OD1 93.0 88.8 REMARK 620 4 HOH F 155 O 87.4 89.3 178.1 REMARK 620 5 HOH E1032 O 172.8 87.7 94.2 85.4 REMARK 620 6 VAL D 45 O 88.3 177.5 93.3 88.5 90.9 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN I 944 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG I -34 N7 REMARK 620 2 DG I -33 O6 87.0 REMARK 620 3 HOH I1031 O 103.1 85.6 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN I 950 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH J 983 O REMARK 620 2 HOH J1060 O 161.2 REMARK 620 3 HOH J1024 O 85.4 76.7 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN I 952 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH I 990 O REMARK 620 2 DG I 61 N7 111.5 REMARK 620 3 HOH I1060 O 86.9 160.3 REMARK 620 4 HOH I 962 O 171.1 75.7 86.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN I 955 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG I 27 N7 REMARK 620 2 HOH I1061 O 83.8 REMARK 620 3 HOH I1079 O 83.5 84.2 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN I 956 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH I 958 O REMARK 620 2 DG I 65 N7 94.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN J 945 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH J1032 O REMARK 620 2 DG J 60 N7 102.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN J 947 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH J1021 O REMARK 620 2 DG J 26 N7 74.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN J 949 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH J1023 O REMARK 620 2 DG J 47 N7 83.9 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MN J 953 MN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 DG J -35 N7 REMARK 620 2 HOH J1059 O 87.9 REMARK 620 3 HOH J1027 O 104.8 110.1 REMARK 620 4 DG J -34 O6 84.4 172.3 72.9 REMARK 620 N 1 2 3

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 944 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 945 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN E 946 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 947 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 948 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 949 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 950 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 951 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 952 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 953 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN J 954 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 955 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN I 956

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AOI RELATED DB: PDB REMARK 900 NCP146 AT 2.8 A REMARK 900 RELATED ID: 1KX4 RELATED DB: PDB REMARK 900 NCP146B AT 2.6 A REMARK 900 RELATED ID: 1KX5 RELATED DB: PDB REMARK 900 NCP147 AT 1.9 A

DBREF 1KX3 A 1 135 UNP P84233 H31_XENLA 1 135 DBREF 1KX3 E 1 135 UNP P84233 H31_XENLA 1 135 DBREF 1KX3 B 1 102 UNP P62799 H4_XENLA 1 102 DBREF 1KX3 F 1 102 UNP P62799 H4_XENLA 1 102 DBREF 1KX3 C 1 128 UNP P06897 H2A1_XENLA 1 129 DBREF 1KX3 G 1 128 UNP P06897 H2A1_XENLA 1 129 DBREF 1KX3 D -2 122 UNP P02281 H2B1_XENLA 1 125 DBREF 1KX3 H -2 122 UNP P02281 H2B1_XENLA 1 125 DBREF 1KX3 I -72 73 PDB 1KX3 1KX3 -72 73 DBREF 1KX3 J -73 72 PDB 1KX3 1KX3 -73 72

SEQADV 1KX3 ALA A 102 UNP P84233 GLY 102 CONFLICT SEQADV 1KX3 ALA E 102 UNP P84233 GLY 102 CONFLICT SEQADV 1KX3 ARG C 99 UNP P06897 GLY 99 VARIANT SEQADV 1KX3 SER C 123 UNP P06897 ALA 123 CONFLICT SEQADV 1KX3 C UNP P06897 ALA 126 DELETION SEQADV 1KX3 ARG G 99 UNP P06897 GLY 99 VARIANT SEQADV 1KX3 SER G 123 UNP P06897 ALA 123 CONFLICT SEQADV 1KX3 G UNP P06897 ALA 126 DELETION SEQADV 1KX3 THR D 29 UNP P02281 SER 32 VARIANT SEQADV 1KX3 THR H 29 UNP P02281 SER 32 VARIANT

SEQRES 1 I 146 DA DT DC DA DA DT DA DT DC DC DA DC DC SEQRES 2 I 146 DT DG DC DA DG DA DT DT DC DT DA DC DC SEQRES 3 I 146 DA DA DA DA DG DT DG DT DA DT DT DT DG SEQRES 4 I 146 DG DA DA DA DC DT DG DC DT DC DC DA DT SEQRES 5 I 146 DC DA DA DA DA DG DG DC DA DT DG DT DT SEQRES 6 I 146 DC DA DG DC DT DG DA DA DT DT DC DA DG SEQRES 7 I 146 DC DT DG DA DA DC DA DT DG DC DC DT DT SEQRES 8 I 146 DT DT DG DA DT DG DG DA DG DC DA DG DT SEQRES 9 I 146 DT DT DC DC DA DA DA DT DA DC DA DC DT SEQRES 10 I 146 DT DT DT DG DG DT DA DG DA DA DT DC DT SEQRES 11 I 146 DG DC DA DG DG DT DG DG DA DT DA DT DT SEQRES 12 I 146 DG DA DT SEQRES 1 J 146 DA DT DC DA DA DT DA DT DC DC DA DC DC SEQRES 2 J 146 DT DG DC DA DG DA DT DT DC DT DA DC DC SEQRES 3 J 146 DA DA DA DA DG DT DG DT DA DT DT DT DG SEQRES 4 J 146 DG DA DA DA DC DT DG DC DT DC DC DA DT SEQRES 5 J 146 DC DA DA DA DA DG DG DC DA DT DG DT DT SEQRES 6 J 146 DC DA DG DC DT DG DA DA DT DT DC DA DG SEQRES 7 J 146 DC DT DG DA DA DC DA DT DG DC DC DT DT SEQRES 8 J 146 DT DT DG DA DT DG DG DA DG DC DA DG DT SEQRES 9 J 146 DT DT DC DC DA DA DA DT DA DC DA DC DT SEQRES 10 J 146 DT DT DT DG DG DT DA DG DA DA DT DC DT SEQRES 11 J 146 DG DC DA DG DG DT DG DG DA DT DA DT DT SEQRES 12 J 146 DG DA DT SEQRES 1 A 135 ALA ARG THR LYS GLN THR ALA ARG LYS SER THR GLY GLY SEQRES 2 A 135 LYS ALA PRO ARG LYS GLN LEU ALA THR LYS ALA ALA ARG SEQRES 3 A 135 LYS SER ALA PRO ALA THR GLY GLY VAL LYS LYS PRO HIS SEQRES 4 A 135 ARG TYR ARG PRO GLY THR VAL ALA LEU ARG GLU ILE ARG SEQRES 5 A 135 ARG TYR GLN LYS SER THR GLU LEU LEU ILE ARG LYS LEU SEQRES 6 A 135 PRO PHE GLN ARG LEU VAL ARG GLU ILE ALA GLN ASP PHE SEQRES 7 A 135 LYS THR ASP LEU ARG PHE GLN SER SER ALA VAL MET ALA SEQRES 8 A 135 LEU GLN GLU ALA SER GLU ALA TYR LEU VAL ALA LEU PHE SEQRES 9 A 135 GLU ASP THR ASN LEU CYS ALA ILE HIS ALA LYS ARG VAL SEQRES 10 A 135 THR ILE MET PRO LYS ASP ILE GLN LEU ALA ARG ARG ILE SEQRES 11 A 135 ARG GLY GLU ARG ALA SEQRES 1 B 102 SER GLY ARG GLY LYS GLY GLY LYS GLY LEU GLY LYS GLY SEQRES 2 B 102 GLY ALA LYS ARG HIS ARG LYS VAL LEU ARG ASP ASN ILE SEQRES 3 B 102 GLN GLY ILE THR LYS PRO ALA ILE ARG ARG LEU ALA ARG SEQRES 4 B 102 ARG GLY GLY VAL LYS ARG ILE SER GLY LEU ILE TYR GLU SEQRES 5 B 102 GLU THR ARG GLY VAL LEU LYS VAL PHE LEU GLU ASN VAL SEQRES 6 B 102 ILE ARG ASP ALA VAL THR TYR THR GLU HIS ALA LYS ARG SEQRES 7 B 102 LYS THR VAL THR ALA MET ASP VAL VAL TYR ALA LEU LYS SEQRES 8 B 102 ARG GLN GLY ARG THR LEU TYR GLY PHE GLY GLY SEQRES 1 C 128 SER GLY ARG GLY LYS GLN GLY GLY LYS THR ARG ALA LYS SEQRES 2 C 128 ALA LYS THR ARG SER SER ARG ALA GLY LEU GLN PHE PRO SEQRES 3 C 128 VAL GLY ARG VAL HIS ARG LEU LEU ARG LYS GLY ASN TYR SEQRES 4 C 128 ALA GLU ARG VAL GLY ALA GLY ALA PRO VAL TYR LEU ALA SEQRES 5 C 128 ALA VAL LEU GLU TYR LEU THR ALA GLU ILE LEU GLU LEU SEQRES 6 C 128 ALA GLY ASN ALA ALA ARG ASP ASN LYS LYS THR ARG ILE SEQRES 7 C 128 ILE PRO ARG HIS LEU GLN LEU ALA VAL ARG ASN ASP GLU SEQRES 8 C 128 GLU LEU ASN LYS LEU LEU GLY ARG VAL THR ILE ALA GLN SEQRES 9 C 128 GLY GLY VAL LEU PRO ASN ILE GLN SER VAL LEU LEU PRO SEQRES 10 C 128 LYS LYS THR GLU SER SER LYS SER LYS SER LYS SEQRES 1 D 125 PRO GLU PRO ALA LYS SER ALA PRO ALA PRO LYS LYS GLY SEQRES 2 D 125 SER LYS LYS ALA VAL THR LYS THR GLN LYS LYS ASP GLY SEQRES 3 D 125 LYS LYS ARG ARG LYS THR ARG LYS GLU SER TYR ALA ILE SEQRES 4 D 125 TYR VAL TYR LYS VAL LEU LYS GLN VAL HIS PRO ASP THR SEQRES 5 D 125 GLY ILE SER SER LYS ALA MET SER ILE MET ASN SER PHE SEQRES 6 D 125 VAL ASN ASP VAL PHE GLU ARG ILE ALA GLY GLU ALA SER SEQRES 7 D 125 ARG LEU ALA HIS TYR ASN LYS ARG SER THR ILE THR SER SEQRES 8 D 125 ARG GLU ILE GLN THR ALA VAL ARG LEU LEU LEU PRO GLY SEQRES 9 D 125 GLU LEU ALA LYS HIS ALA VAL SER GLU GLY THR LYS ALA SEQRES 10 D 125 VAL THR LYS TYR THR SER ALA LYS SEQRES 1 E 135 ALA ARG THR LYS GLN THR ALA ARG LYS SER THR GLY GLY SEQRES 2 E 135 LYS ALA PRO ARG LYS GLN LEU ALA THR LYS ALA ALA ARG SEQRES 3 E 135 LYS SER ALA PRO ALA THR GLY GLY VAL LYS LYS PRO HIS SEQRES 4 E 135 ARG TYR ARG PRO GLY THR VAL ALA LEU ARG GLU ILE ARG SEQRES 5 E 135 ARG TYR GLN LYS SER THR GLU LEU LEU ILE ARG LYS LEU SEQRES 6 E 135 PRO PHE GLN ARG LEU VAL ARG GLU ILE ALA GLN ASP PHE SEQRES 7 E 135 LYS THR ASP LEU ARG PHE GLN SER SER ALA VAL MET ALA SEQRES 8 E 135 LEU GLN GLU ALA SER GLU ALA TYR LEU VAL ALA LEU PHE SEQRES 9 E 135 GLU ASP THR ASN LEU CYS ALA ILE HIS ALA LYS ARG VAL SEQRES 10 E 135 THR ILE MET PRO LYS ASP ILE GLN LEU ALA ARG ARG ILE SEQRES 11 E 135 ARG GLY GLU ARG ALA SEQRES 1 F 102 SER GLY ARG GLY LYS GLY GLY LYS GLY LEU GLY LYS GLY SEQRES 2 F 102 GLY ALA LYS ARG HIS ARG LYS VAL LEU ARG ASP ASN ILE SEQRES 3 F 102 GLN GLY ILE THR LYS PRO ALA ILE ARG ARG LEU ALA ARG SEQRES 4 F 102 ARG GLY GLY VAL LYS ARG ILE SER GLY LEU ILE TYR GLU SEQRES 5 F 102 GLU THR ARG GLY VAL LEU LYS VAL PHE LEU GLU ASN VAL SEQRES 6 F 102 ILE ARG ASP ALA VAL THR TYR THR GLU HIS ALA LYS ARG SEQRES 7 F 102 LYS THR VAL THR ALA MET ASP VAL VAL TYR ALA LEU LYS SEQRES 8 F 102 ARG GLN GLY ARG THR LEU TYR GLY PHE GLY GLY SEQRES 1 G 128 SER GLY ARG GLY LYS GLN GLY GLY LYS THR ARG ALA LYS SEQRES 2 G 128 ALA LYS THR ARG SER SER ARG ALA GLY LEU GLN PHE PRO SEQRES 3 G 128 VAL GLY ARG VAL HIS ARG LEU LEU ARG LYS GLY ASN TYR SEQRES 4 G 128 ALA GLU ARG VAL GLY ALA GLY ALA PRO VAL TYR LEU ALA SEQRES 5 G 128 ALA VAL LEU GLU TYR LEU THR ALA GLU ILE LEU GLU LEU SEQRES 6 G 128 ALA GLY ASN ALA ALA ARG ASP ASN LYS LYS THR ARG ILE SEQRES 7 G 128 ILE PRO ARG HIS LEU GLN LEU ALA VAL ARG ASN ASP GLU SEQRES 8 G 128 GLU LEU ASN LYS LEU LEU GLY ARG VAL THR ILE ALA GLN SEQRES 9 G 128 GLY GLY VAL LEU PRO ASN ILE GLN SER VAL LEU LEU PRO SEQRES 10 G 128 LYS LYS THR GLU SER SER LYS SER LYS SER LYS SEQRES 1 H 125 PRO GLU PRO ALA LYS SER ALA PRO ALA PRO LYS LYS GLY SEQRES 2 H 125 SER LYS LYS ALA VAL THR LYS THR GLN LYS LYS ASP GLY SEQRES 3 H 125 LYS LYS ARG ARG LYS THR ARG LYS GLU SER TYR ALA ILE SEQRES 4 H 125 TYR VAL TYR LYS VAL LEU LYS GLN VAL HIS PRO ASP THR SEQRES 5 H 125 GLY ILE SER SER LYS ALA MET SER ILE MET ASN SER PHE SEQRES 6 H 125 VAL ASN ASP VAL PHE GLU ARG ILE ALA GLY GLU ALA SER SEQRES 7 H 125 ARG LEU ALA HIS TYR ASN LYS ARG SER THR ILE THR SER SEQRES 8 H 125 ARG GLU ILE GLN THR ALA VAL ARG LEU LEU LEU PRO GLY SEQRES 9 H 125 GLU LEU ALA LYS HIS ALA VAL SER GLU GLY THR LYS ALA SEQRES 10 H 125 VAL THR LYS TYR THR SER ALA LYS

HET MN I 944 1 HET MN J 945 1 HET MN E 946 1 HET MN J 947 1 HET MN J 948 1 HET MN J 949 1 HET MN I 950 1 HET MN I 951 1 HET MN I 952 1 HET MN J 953 1 HET MN J 954 1 HET MN I 955 1 HET MN I 956 1

HETNAM MN MANGANESE (II) ION

FORMUL 11 MN 13(MN 2+) FORMUL 24 HOH *943(H2 O)

HELIX 1 1 GLY A 44 SER A 57 1 14 HELIX 2 2 ARG A 63 ASP A 77 1 15 HELIX 3 3 GLN A 85 ALA A 114 1 30 HELIX 4 4 MET A 120 ARG A 131 1 12 HELIX 5 5 ASP B 24 ILE B 29 5 6 HELIX 6 6 THR B 30 GLY B 41 1 12 HELIX 7 7 LEU B 49 ALA B 76 1 28 HELIX 8 8 THR B 82 GLN B 93 1 12 HELIX 9 9 THR C 16 GLY C 22 1 7 HELIX 10 10 PRO C 26 GLY C 37 1 12 HELIX 11 11 ALA C 45 ASN C 73 1 29 HELIX 12 12 ILE C 79 ASN C 89 1 11 HELIX 13 13 ASP C 90 LEU C 97 1 8 HELIX 14 14 GLN C 112 LEU C 116 5 5 HELIX 15 15 TYR D 34 HIS D 46 1 13 HELIX 16 16 SER D 52 ASN D 81 1 30 HELIX 17 17 THR D 87 LEU D 99 1 13 HELIX 18 18 PRO D 100 ALA D 121 1 22 HELIX 19 19 GLY E 44 SER E 57 1 14 HELIX 20 20 ARG E 63 LYS E 79 1 17 HELIX 21 21 GLN E 85 ALA E 114 1 30 HELIX 22 22 MET E 120 ARG E 131 1 12 HELIX 23 23 ASP F 24 ILE F 29 5 6 HELIX 24 24 THR F 30 GLY F 41 1 12 HELIX 25 25 LEU F 49 ALA F 76 1 28 HELIX 26 26 THR F 82 GLN F 93 1 12 HELIX 27 27 THR G 16 GLY G 22 1 7 HELIX 28 28 PRO G 26 GLY G 37 1 12 HELIX 29 29 ALA G 45 ASN G 73 1 29 HELIX 30 30 ILE G 79 ASN G 89 1 11 HELIX 31 31 ASP G 90 LEU G 97 1 8 HELIX 32 32 GLN G 112 LEU G 116 5 5 HELIX 33 33 TYR H 34 HIS H 46 1 13 HELIX 34 34 SER H 52 ASN H 81 1 30 HELIX 35 35 THR H 87 LEU H 99 1 13 HELIX 36 36 PRO H 100 SER H 120 1 21

SHEET 1 A 2 ARG A 83 PHE A 84 0 SHEET 2 A 2 THR B 80 VAL B 81 1 O VAL B 81 N ARG A 83 SHEET 1 B 2 THR A 118 ILE A 119 0 SHEET 2 B 2 ARG B 45 ILE B 46 1 O ARG B 45 N ILE A 119 SHEET 1 C 2 THR B 96 TYR B 98 0 SHEET 2 C 2 VAL G 100 ILE G 102 1 O THR G 101 N TYR B 98 SHEET 1 D 2 ARG C 42 VAL C 43 0 SHEET 2 D 2 THR D 85 ILE D 86 1 O ILE D 86 N ARG C 42 SHEET 1 E 2 ARG C 77 ILE C 78 0 SHEET 2 E 2 GLY D 50 ILE D 51 1 O GLY D 50 N ILE C 78 SHEET 1 F 2 VAL C 100 ILE C 102 0 SHEET 2 F 2 THR F 96 TYR F 98 1 O TYR F 98 N THR C 101 SHEET 1 G 2 ARG E 83 PHE E 84 0 SHEET 2 G 2 THR F 80 VAL F 81 1 O VAL F 81 N ARG E 83 SHEET 1 H 2 THR E 118 ILE E 119 0 SHEET 2 H 2 ARG F 45 ILE F 46 1 O ARG F 45 N ILE E 119 SHEET 1 I 2 ARG G 42 VAL G 43 0 SHEET 2 I 2 THR H 85 ILE H 86 1 O ILE H 86 N ARG G 42 SHEET 1 J 2 ARG G 77 ILE G 78 0 SHEET 2 J 2 GLY H 50 ILE H 51 1 O GLY H 50 N ILE G 78

LINK MN MN E 946 O HOH E1020 1555 1555 1.83 LINK MN MN E 946 O HOH E 999 1555 1555 1.92 LINK MN MN E 946 OD1 ASP E 77 1555 1555 1.99 LINK MN MN E 946 O HOH F 155 1555 1555 1.90 LINK MN MN E 946 O HOH E1032 1555 1555 1.84 LINK MN MN I 944 N7 DG I -34 1555 1555 2.44 LINK MN MN I 944 O6 DG I -33 1555 1555 2.36 LINK MN MN I 944 O HOH I1031 1555 1555 2.45 LINK MN MN I 950 O HOH J 983 1555 1555 2.26 LINK MN MN I 950 O HOH J1060 1555 1555 2.27 LINK MN MN I 950 O HOH J1024 1555 1555 2.05 LINK MN MN I 951 N7 DG I 48 1555 1555 2.46 LINK MN MN I 952 O HOH I 990 1555 1555 2.35 LINK MN MN I 952 N7 DG I 61 1555 1555 2.37 LINK MN MN I 952 O HOH I1060 1555 1555 2.31 LINK MN MN I 952 O HOH I 962 1555 1555 2.49 LINK MN MN I 955 N7 DG I 27 1555 1555 2.31 LINK MN MN I 955 O HOH I1061 1555 1555 2.29 LINK MN MN I 955 O HOH I1079 1555 1555 2.41 LINK MN MN I 956 O HOH I 958 1555 1555 2.42 LINK MN MN I 956 N7 DG I 65 1555 1555 2.46 LINK MN MN J 945 O HOH J1032 1555 1555 2.37 LINK MN MN J 945 N7 DG J 60 1555 1555 2.47 LINK MN MN J 947 O HOH J1021 1555 1555 2.32 LINK MN MN J 947 N7 DG J 26 1555 1555 2.49 LINK MN MN J 948 N7 DG J -3 1555 1555 2.24 LINK MN MN J 949 O HOH J1023 1555 1555 2.27 LINK MN MN J 949 N7 DG J 47 1555 1555 2.36 LINK MN MN J 953 N7 DG J -35 1555 1555 2.61 LINK MN MN J 953 O HOH J1059 1555 1555 2.41 LINK MN MN J 953 O HOH J1027 1555 1555 2.61 LINK MN MN J 953 O6 DG J -34 1555 1555 2.37 LINK MN MN J 954 N7 DG J 7 1555 1555 2.52 LINK MN MN E 946 O VAL D 45 1555 2564 1.97

SITE 1 AC1 3 DG I -34 DG I -33 HOH I1031 SITE 1 AC2 2 DG J 60 HOH J1032 SITE 1 AC3 6 VAL D 45 ASP E 77 HOH E 999 HOH E1020 SITE 2 AC3 6 HOH E1032 HOH F 155 SITE 1 AC4 3 DT I 67 DG J 26 HOH J1021 SITE 1 AC5 1 DG J -3 SITE 1 AC6 2 DG J 47 HOH J1023 SITE 1 AC7 3 HOH J 983 HOH J1024 HOH J1060 SITE 1 AC8 1 DG I 48 SITE 1 AC9 4 DG I 61 HOH I 962 HOH I 990 HOH I1060 SITE 1 BC1 4 DG J -34 DG J -35 HOH J1027 HOH J1059 SITE 1 BC2 1 DG J 7 SITE 1 BC3 3 DG I 27 HOH I1061 HOH I1079 SITE 1 BC4 2 DG I 65 HOH I 958

CRYST1 105.400 181.540 109.600 90.00 90.00 90.00 P 21 21 21 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 0.009488 0.000000 0.000000 0.00000

SCALE2 0.000000 0.005508 0.000000 0.00000

SCALE3 0.000000 0.000000 0.009124 0.00000