2B54 - Header Asymmetric Unit

HEADER TRANSFERASE 27-SEP-05 2B54

TITLE HUMAN CYCLIN DEPENDENT KINASE 2 (CKD2)COMPLEXED WITH DIN- TITLE 2 232305

COMPND MOL_ID: 1; COMPND 2 MOLECULE: CELL DIVISION PROTEIN KINASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: P33 PROTEIN KINASE, CDK2; COMPND 5 EC: 2.7.1.37; COMPND 6 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: SPODOPTERA FRUGIPERDA; SOURCE 6 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: SF9; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: BACULOVIRUS

KEYWDS PROTEIN KINASE, CELL CYCLE, PHOSPHORYLATION, CELL DIVISION, KEYWDS 2 MITOSIS, INHIBITION, TRANSFERASE

EXPDTA X-RAY DIFFRACTION

AUTHOR C.-C.CHANG

REVDAT 2 24-FEB-09 2B54 1 VERSN REVDAT 1 11-OCT-05 2B54 0

JRNL AUTH J.A.MARKWALDER,M.R.ARNONE,P.A.BENFIELD,M.BOISCLAIR, JRNL AUTH 2 C.R.BURTON,C.-C.CHANG,S.S.COX,P.M.CZERNIAK, JRNL AUTH 3 C.L.DEAN,D.DOLENAIK,R.GRAFSTROM,B.A.HARRISON, JRNL AUTH 4 R.F.KALTENBACH III,D.A.NUGIEL,K.A.ROSSI,S.R.SHERK, JRNL AUTH 5 L.M.SISK,P.STOUTEN,G.L.TRAINOR,P.WORLAND,S.P.SEITZ JRNL TITL SYNTHESIS AND BIOLOGICAL EVALUATION OF JRNL TITL 2 1-ARYL-4,5-DIHYDRO-1H-PYRAXOLO[3,4-D]PYRIMIDIN-4- JRNL TITL 3 ONE INHIBITORS OF CYCLIN DEPENDENT KINASES JRNL REF J.MED.CHEM. V. 47 5894 2004 JRNL REFN ISSN 0022-2623 JRNL PMID 15537345 JRNL DOI 10.1021/JM020455U

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX 2002 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.44 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 411647.250 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 78.0 REMARK 3 NUMBER OF REFLECTIONS : 20039 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.158 REMARK 3 FREE R VALUE : 0.263 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 838 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 4.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 166 REMARK 3 BIN R VALUE (WORKING SET) : 0.3540 REMARK 3 BIN FREE R VALUE : 0.4010 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 22 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.085 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2911 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 30 REMARK 3 SOLVENT ATOMS : 318 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.16000 REMARK 3 B22 (A**2) : 2.65000 REMARK 3 B33 (A**2) : -1.49000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.40 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.33 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.154 REMARK 3 BOND ANGLES (DEGREES) : 9.50 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 30.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 8.27 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.890 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.250 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 14.000; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 13.870; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.23 REMARK 3 BSOL : 51.07 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : WAT21_CNX.XPRM REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 2B54 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-05. REMARK 100 THE RCSB ID CODE IS RCSB034686.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-97 REMARK 200 TEMPERATURE (KELVIN) : 277 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS II REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCESS (RIGAKU) REMARK 200 DATA SCALING SOFTWARE : SCALE (RIGAKU) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21779 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.840 REMARK 200 RESOLUTION RANGE LOW (A) : 37.440 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.7 REMARK 200 DATA REDUNDANCY : 2.200 REMARK 200 R MERGE (I) : 0.09900 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 3.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.87 REMARK 200 COMPLETENESS FOR SHELL (%) : 67.3 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : 0.45700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 0.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: IN-HOUSE CDK2 MODEL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.13 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM HEPES PH 7.4, 50MM AMMONIUM REMARK 280 ACETATE, 2MM DTT, 4-14% PEG 4000, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 291K

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 36.48500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 27.13000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.58000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 27.13000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 36.48500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.58000 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 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 HIS A 119 CG HIS A 119 CD2 0.059 REMARK 500 HIS A 125 CG HIS A 125 CD2 0.060 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 25 CA - CB - CG ANGL. DEV. = 19.2 DEGREES REMARK 500 VAL A 29 CA - CB - CG1 ANGL. DEV. = 10.3 DEGREES REMARK 500 LEU A 124 CB - CA - C ANGL. DEV. = 14.3 DEGREES REMARK 500 HIS A 161 CA - CB - CG ANGL. DEV. = -10.2 DEGREES REMARK 500 GLU A 172 CA - CB - CG ANGL. DEV. = 17.2 DEGREES REMARK 500 TYR A 180 CB - CG - CD2 ANGL. DEV. = -3.7 DEGREES REMARK 500 VAL A 184 CA - CB - CG1 ANGL. DEV. = 14.4 DEGREES REMARK 500 ARG A 199 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG A 214 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 214 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 PHE A 216 CB - CG - CD1 ANGL. DEV. = -4.8 DEGREES REMARK 500 VAL A 230 CA - CB - CG2 ANGL. DEV. = 10.8 DEGREES REMARK 500 TYR A 269 CB - CG - CD2 ANGL. DEV. = -4.0 DEGREES REMARK 500 ARG A 274 NE - CZ - NH1 ANGL. DEV. = -3.6 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 THR A 14 -98.62 57.42 REMARK 500 TYR A 15 11.76 -64.31 REMARK 500 ASP A 38 76.56 41.78 REMARK 500 GLU A 40 -66.66 -162.08 REMARK 500 LEU A 58 77.58 -64.38 REMARK 500 ASN A 74 15.82 59.32 REMARK 500 ARG A 126 -28.10 92.16 REMARK 500 ALA A 149 31.29 -68.48 REMARK 500 ARG A 150 -64.21 -165.59 REMARK 500 THR A 160 -166.16 -61.24 REMARK 500 HIS A 161 54.39 -92.82 REMARK 500 VAL A 164 -70.21 -36.24 REMARK 500 THR A 165 111.97 117.83 REMARK 500 PRO A 254 50.91 -108.19 REMARK 500 THR A 290 -161.44 -119.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLU A 42 GLY A 43 -100.49 REMARK 500 ARG A 157 THR A 158 -148.15 REMARK 500 THR A 158 TYR A 159 -50.65 REMARK 500 THR A 160 HIS A 161 -128.57 REMARK 500 HIS A 161 GLU A 162 145.89 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 ARG A 22 0.08 SIDE_CHAIN REMARK 500 TYR A 77 0.09 SIDE_CHAIN REMARK 500 ARG A 126 0.09 SIDE_CHAIN REMARK 500 ARG A 169 0.13 SIDE_CHAIN REMARK 500 ARG A 245 0.14 SIDE_CHAIN REMARK 500 ARG A 274 0.14 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 A 319 DISTANCE = 6.48 ANGSTROMS REMARK 525 HOH A 337 DISTANCE = 5.20 ANGSTROMS REMARK 525 HOH A 344 DISTANCE = 5.23 ANGSTROMS REMARK 525 HOH A 345 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A 356 DISTANCE = 5.80 ANGSTROMS REMARK 525 HOH A 383 DISTANCE = 5.69 ANGSTROMS REMARK 525 HOH A 387 DISTANCE = 5.68 ANGSTROMS REMARK 525 HOH A 389 DISTANCE = 5.36 ANGSTROMS REMARK 525 HOH A 395 DISTANCE = 6.09 ANGSTROMS REMARK 525 HOH A 400 DISTANCE = 7.94 ANGSTROMS REMARK 525 HOH A 403 DISTANCE = 5.06 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D05 A 300

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2B52 RELATED DB: PDB REMARK 900 RELATED ID: 2B53 RELATED DB: PDB REMARK 900 RELATED ID: 2B55 RELATED DB: PDB

DBREF 2B54 A 1 298 UNP P24941 CDK2_HUMAN 1 298

SEQRES 1 A 298 MET GLU ASN PHE GLN LYS VAL GLU LYS ILE GLY GLU GLY SEQRES 2 A 298 THR TYR GLY VAL VAL TYR LYS ALA ARG ASN LYS LEU THR SEQRES 3 A 298 GLY GLU VAL VAL ALA LEU LYS LYS ILE ARG LEU ASP THR SEQRES 4 A 298 GLU THR GLU GLY VAL PRO SER THR ALA ILE ARG GLU ILE SEQRES 5 A 298 SER LEU LEU LYS GLU LEU ASN HIS PRO ASN ILE VAL LYS SEQRES 6 A 298 LEU LEU ASP VAL ILE HIS THR GLU ASN LYS LEU TYR LEU SEQRES 7 A 298 VAL PHE GLU PHE LEU HIS GLN ASP LEU LYS LYS PHE MET SEQRES 8 A 298 ASP ALA SER ALA LEU THR GLY ILE PRO LEU PRO LEU ILE SEQRES 9 A 298 LYS SER TYR LEU PHE GLN LEU LEU GLN GLY LEU ALA PHE SEQRES 10 A 298 CYS HIS SER HIS ARG VAL LEU HIS ARG ASP LEU LYS PRO SEQRES 11 A 298 GLN ASN LEU LEU ILE ASN THR GLU GLY ALA ILE LYS LEU SEQRES 12 A 298 ALA ASP PHE GLY LEU ALA ARG ALA PHE GLY VAL PRO VAL SEQRES 13 A 298 ARG THR TYR THR HIS GLU VAL VAL THR LEU TRP TYR ARG SEQRES 14 A 298 ALA PRO GLU ILE LEU LEU GLY CYS LYS TYR TYR SER THR SEQRES 15 A 298 ALA VAL ASP ILE TRP SER LEU GLY CYS ILE PHE ALA GLU SEQRES 16 A 298 MET VAL THR ARG ARG ALA LEU PHE PRO GLY ASP SER GLU SEQRES 17 A 298 ILE ASP GLN LEU PHE ARG ILE PHE ARG THR LEU GLY THR SEQRES 18 A 298 PRO ASP GLU VAL VAL TRP PRO GLY VAL THR SER MET PRO SEQRES 19 A 298 ASP TYR LYS PRO SER PHE PRO LYS TRP ALA ARG GLN ASP SEQRES 20 A 298 PHE SER LYS VAL VAL PRO PRO LEU ASP GLU ASP GLY ARG SEQRES 21 A 298 SER LEU LEU SER GLN MET LEU HIS TYR ASP PRO ASN LYS SEQRES 22 A 298 ARG ILE SER ALA LYS ALA ALA LEU ALA HIS PRO PHE PHE SEQRES 23 A 298 GLN ASP VAL THR LYS PRO VAL PRO HIS LEU ARG LEU

HET D05 A 300 30

HETNAM D05 6-(3,4-DIHYDROXYBENZYL)-3-ETHYL-1-(2,4,6- HETNAM 2 D05 TRICHLOROPHENYL)-1H-PYRAZOLO[3,4-D]PYRIMIDIN-4(5H)-ONE

HETSYN D05 DIN-232305

FORMUL 2 D05 C20 H15 CL3 N4 O3 FORMUL 3 HOH *106(H2 O)

HELIX 1 1 PRO A 45 LYS A 56 1 12 HELIX 2 2 LEU A 87 SER A 94 1 8 HELIX 3 3 PRO A 100 HIS A 121 1 22 HELIX 4 4 LYS A 129 GLN A 131 5 3 HELIX 5 5 GLY A 147 PHE A 152 1 6 HELIX 6 6 ALA A 170 LEU A 175 1 6 HELIX 7 7 THR A 182 ARG A 199 1 18 HELIX 8 8 SER A 207 GLY A 220 1 14 HELIX 9 9 GLY A 229 MET A 233 5 5 HELIX 10 10 ASP A 247 VAL A 252 1 6 HELIX 11 11 ASP A 256 LEU A 267 1 12 HELIX 12 12 SER A 276 LEU A 281 1 6 HELIX 13 13 ALA A 282 GLN A 287 5 6

SHEET 1 A 5 PHE A 4 GLY A 11 0 SHEET 2 A 5 VAL A 18 ASN A 23 -1 O LYS A 20 N GLU A 8 SHEET 3 A 5 VAL A 29 LYS A 34 -1 O VAL A 30 N ALA A 21 SHEET 4 A 5 LYS A 75 GLU A 81 -1 O PHE A 80 N ALA A 31 SHEET 5 A 5 LEU A 66 THR A 72 -1 N ASP A 68 O VAL A 79 SHEET 1 B 3 GLN A 85 ASP A 86 0 SHEET 2 B 3 LEU A 133 ASN A 136 -1 O ILE A 135 N GLN A 85 SHEET 3 B 3 ALA A 140 LEU A 143 -1 O LYS A 142 N LEU A 134

CISPEP 1 ASP A 38 THR A 39 0 25.73 CISPEP 2 THR A 41 GLU A 42 0 1.93 CISPEP 3 TYR A 159 THR A 160 0 -29.26 CISPEP 4 PRO A 253 PRO A 254 0 3.21

SITE 1 AC1 12 ILE A 10 GLY A 11 VAL A 18 ALA A 31 SITE 2 AC1 12 LYS A 33 VAL A 64 PHE A 82 LEU A 83 SITE 3 AC1 12 HIS A 84 GLN A 131 ASN A 132 ALA A 144

CRYST1 72.970 73.160 54.260 90.00 90.00 90.00 P 21 21 21 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 0.013704 0.000000 0.000000 0.00000

SCALE2 0.000000 0.013669 0.000000 0.00000

SCALE3 0.000000 0.000000 0.018430 0.00000