HEADER TRANSFERASE/TRANSFERASE INHIBITOR 01-AUG-16 5L2I TITLE THE X-RAY CO-CRYSTAL STRUCTURE OF HUMAN CDK6 AND PALBOCICLIB. COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIN-DEPENDENT KINASE 6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 1-301; COMPND 5 SYNONYM: CELL DIVISION PROTEIN KINASE 6,SERINE/THREONINE-PROTEIN COMPND 6 KINASE PLSTIRE; COMPND 7 EC: 2.7.11.22; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CDK6, CDKN6; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 7108 KEYWDS CYCLIN-DEPENDENT KINASE, KINASE INHIBITOR, KINASE SELECTIVITY, KEYWDS 2 TRANSFERASE-TRANSFERASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR P.CHEN,R.A.FERRE,W.DEIHL,X.YU,Y.-A.HE REVDAT 3 04-OCT-23 5L2I 1 REMARK REVDAT 2 19-OCT-16 5L2I 1 JRNL REVDAT 1 24-AUG-16 5L2I 0 JRNL AUTH P.CHEN,N.V.LEE,W.HU,M.XU,R.A.FERRE,H.LAM,S.BERGQVIST, JRNL AUTH 2 J.SOLOWIEJ,W.DIEHL,Y.A.HE,X.YU,A.NAGATA,T.VANARSDALE, JRNL AUTH 3 B.W.MURRAY JRNL TITL SPECTRUM AND DEGREE OF CDK DRUG INTERACTIONS PREDICTS JRNL TITL 2 CLINICAL PERFORMANCE. JRNL REF MOL.CANCER THER. V. 15 2273 2016 JRNL REFN ESSN 1538-8514 JRNL PMID 27496135 JRNL DOI 10.1158/1535-7163.MCT-16-0300 REMARK 2 REMARK 2 RESOLUTION. 2.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.4 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 8187 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) : 0.235 REMARK 3 R VALUE (WORKING SET) : 0.226 REMARK 3 FREE R VALUE : 0.304 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.170 REMARK 3 FREE R VALUE TEST SET COUNT : 833 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 : 5 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.75 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 3.07 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.96 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2303 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2721 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2083 REMARK 3 BIN R VALUE (WORKING SET) : 0.2657 REMARK 3 BIN FREE R VALUE : 0.3369 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.55 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 220 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 : 2084 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 100.7 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 92.38 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -8.00070 REMARK 3 B22 (A**2) : -8.00070 REMARK 3 B33 (A**2) : 16.00150 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) : 0.489 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 3.599 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.408 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : NULL REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : NULL REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.939 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.876 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 2197 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 3004 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 759 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 50 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 338 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 2197 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : NULL ; NULL ; NULL REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 269 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2514 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.16 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 2.59 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 21.01 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5L2I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-AUG-16. REMARK 100 THE DEPOSITION ID IS D_1000223022. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-AUG-13 REMARK 200 TEMPERATURE (KELVIN) : 98.15 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.21 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8324 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.750 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.6000 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 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: BUSTER REMARK 200 STARTING MODEL: 3NUX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1:1 (PROTEIN TO WELL BUFFER) WITH WELL REMARK 280 BUFFER CONTAINING: 0.1 M MES PH 6.0, 70 - 80 MM NH4NO3, 10 - 15% REMARK 280 POLYETHYLENEGLYCOL 3350., VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 286.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 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 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+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 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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 50.87450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 50.87450 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 30.38900 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 50.87450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 50.87450 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 30.38900 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 50.87450 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 50.87450 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 30.38900 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 50.87450 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 50.87450 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 30.38900 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 LYS A 3 REMARK 465 ASP A 4 REMARK 465 GLY A 5 REMARK 465 LEU A 6 REMARK 465 CYS A 7 REMARK 465 ARG A 8 REMARK 465 ALA A 9 REMARK 465 VAL A 47 REMARK 465 GLN A 48 REMARK 465 THR A 49 REMARK 465 GLY A 50 REMARK 465 GLU A 51 REMARK 465 GLU A 52 REMARK 465 GLY A 53 REMARK 465 MET A 54 REMARK 465 VAL A 85 REMARK 465 SER A 86 REMARK 465 ARG A 87 REMARK 465 THR A 88 REMARK 465 ASP A 89 REMARK 465 ARG A 90 REMARK 465 GLU A 91 REMARK 465 THR A 92 REMARK 465 ALA A 167 REMARK 465 ARG A 168 REMARK 465 ILE A 169 REMARK 465 TYR A 170 REMARK 465 SER A 171 REMARK 465 PHE A 172 REMARK 465 GLN A 173 REMARK 465 MET A 174 REMARK 465 ALA A 175 REMARK 465 LEU A 176 REMARK 465 THR A 177 REMARK 465 SER A 178 REMARK 465 VAL A 179 REMARK 465 VAL A 180 REMARK 465 HIS A 255 REMARK 465 SER A 256 REMARK 465 HIS A 302 REMARK 465 HIS A 303 REMARK 465 HIS A 304 REMARK 465 HIS A 305 REMARK 465 HIS A 306 REMARK 465 HIS A 307 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 166 CG CD1 CD2 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 ASN A 35 59.14 -102.72 REMARK 500 GLU A 72 62.34 27.36 REMARK 500 PRO A 115 47.12 -89.56 REMARK 500 ARG A 144 -27.68 80.46 REMARK 500 GLN A 193 35.30 74.38 REMARK 500 SER A 194 -96.77 -94.79 REMARK 500 TYR A 196 28.75 -141.58 REMARK 500 PHE A 213 -77.34 -75.36 REMARK 500 ARG A 220 71.60 -110.18 REMARK 500 ASP A 246 88.18 66.19 REMARK 500 THR A 267 -88.74 -47.26 REMARK 500 HIS A 297 135.76 -22.45 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue LQQ A 900 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5L2S RELATED DB: PDB REMARK 900 RELATED ID: 5L2T RELATED DB: PDB REMARK 900 RELATED ID: 5L2W RELATED DB: PDB DBREF 5L2I A 1 301 UNP Q00534 CDK6_HUMAN 1 301 SEQADV 5L2I HIS A 302 UNP Q00534 EXPRESSION TAG SEQADV 5L2I HIS A 303 UNP Q00534 EXPRESSION TAG SEQADV 5L2I HIS A 304 UNP Q00534 EXPRESSION TAG SEQADV 5L2I HIS A 305 UNP Q00534 EXPRESSION TAG SEQADV 5L2I HIS A 306 UNP Q00534 EXPRESSION TAG SEQADV 5L2I HIS A 307 UNP Q00534 EXPRESSION TAG SEQRES 1 A 307 MET GLU LYS ASP GLY LEU CYS ARG ALA ASP GLN GLN TYR SEQRES 2 A 307 GLU CYS VAL ALA GLU ILE GLY GLU GLY ALA TYR GLY LYS SEQRES 3 A 307 VAL PHE LYS ALA ARG ASP LEU LYS ASN GLY GLY ARG PHE SEQRES 4 A 307 VAL ALA LEU LYS ARG VAL ARG VAL GLN THR GLY GLU GLU SEQRES 5 A 307 GLY MET PRO LEU SER THR ILE ARG GLU VAL ALA VAL LEU SEQRES 6 A 307 ARG HIS LEU GLU THR PHE GLU HIS PRO ASN VAL VAL ARG SEQRES 7 A 307 LEU PHE ASP VAL CYS THR VAL SER ARG THR ASP ARG GLU SEQRES 8 A 307 THR LYS LEU THR LEU VAL PHE GLU HIS VAL ASP GLN ASP SEQRES 9 A 307 LEU THR THR TYR LEU ASP LYS VAL PRO GLU PRO GLY VAL SEQRES 10 A 307 PRO THR GLU THR ILE LYS ASP MET MET PHE GLN LEU LEU SEQRES 11 A 307 ARG GLY LEU ASP PHE LEU HIS SER HIS ARG VAL VAL HIS SEQRES 12 A 307 ARG ASP LEU LYS PRO GLN ASN ILE LEU VAL THR SER SER SEQRES 13 A 307 GLY GLN ILE LYS LEU ALA ASP PHE GLY LEU ALA ARG ILE SEQRES 14 A 307 TYR SER PHE GLN MET ALA LEU THR SER VAL VAL VAL THR SEQRES 15 A 307 LEU TRP TYR ARG ALA PRO GLU VAL LEU LEU GLN SER SER SEQRES 16 A 307 TYR ALA THR PRO VAL ASP LEU TRP SER VAL GLY CYS ILE SEQRES 17 A 307 PHE ALA GLU MET PHE ARG ARG LYS PRO LEU PHE ARG GLY SEQRES 18 A 307 SER SER ASP VAL ASP GLN LEU GLY LYS ILE LEU ASP VAL SEQRES 19 A 307 ILE GLY LEU PRO GLY GLU GLU ASP TRP PRO ARG ASP VAL SEQRES 20 A 307 ALA LEU PRO ARG GLN ALA PHE HIS SER LYS SER ALA GLN SEQRES 21 A 307 PRO ILE GLU LYS PHE VAL THR ASP ILE ASP GLU LEU GLY SEQRES 22 A 307 LYS ASP LEU LEU LEU LYS CYS LEU THR PHE ASN PRO ALA SEQRES 23 A 307 LYS ARG ILE SER ALA TYR SER ALA LEU SER HIS PRO TYR SEQRES 24 A 307 PHE GLN HIS HIS HIS HIS HIS HIS HET LQQ A 900 62 HETNAM LQQ 6-ACETYL-8-CYCLOPENTYL-5-METHYL-2-[(5-PIPERAZIN-1- HETNAM 2 LQQ YLPYRIDIN-2-YL)AMINO]PYRIDO[2,3-D]PYRIMIDIN-7(8H)-ONE HETSYN LQQ PALBOCICLIB FORMUL 2 LQQ C24 H29 N7 O2 HELIX 1 AA1 THR A 58 GLU A 69 1 12 HELIX 2 AA2 THR A 70 GLU A 72 5 3 HELIX 3 AA3 LEU A 105 ASP A 110 1 6 HELIX 4 AA4 PRO A 118 HIS A 139 1 22 HELIX 5 AA5 ALA A 187 GLN A 193 1 7 HELIX 6 AA6 PRO A 199 ARG A 215 1 17 HELIX 7 AA7 SER A 223 GLY A 236 1 14 HELIX 8 AA8 GLY A 239 TRP A 243 5 5 HELIX 9 AA9 PRO A 250 PHE A 254 5 5 HELIX 10 AB1 ASP A 270 LEU A 281 1 12 HELIX 11 AB2 SER A 290 LEU A 295 1 6 HELIX 12 AB3 HIS A 297 GLN A 301 5 5 SHEET 1 AA1 5 GLU A 14 GLY A 20 0 SHEET 2 AA1 5 VAL A 27 ASP A 32 -1 O ARG A 31 N GLU A 14 SHEET 3 AA1 5 ARG A 38 VAL A 45 -1 O VAL A 40 N ALA A 30 SHEET 4 AA1 5 LEU A 94 GLU A 99 -1 O PHE A 98 N ALA A 41 SHEET 5 AA1 5 LEU A 79 CYS A 83 -1 N PHE A 80 O VAL A 97 SHEET 1 AA2 3 GLN A 103 ASP A 104 0 SHEET 2 AA2 3 ILE A 151 VAL A 153 -1 O VAL A 153 N GLN A 103 SHEET 3 AA2 3 ILE A 159 LEU A 161 -1 O LYS A 160 N LEU A 152 CISPEP 1 GLU A 114 PRO A 115 0 0.26 SITE 1 AC1 12 ILE A 19 TYR A 24 VAL A 27 ALA A 41 SITE 2 AC1 12 PHE A 98 GLU A 99 VAL A 101 THR A 107 SITE 3 AC1 12 GLN A 149 LEU A 152 ALA A 162 ASP A 163 CRYST1 101.749 101.749 60.778 90.00 90.00 90.00 I 4 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 0.009828 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009828 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016453 0.00000