HEADER CELL CYCLE 04-DEC-18 6Q3C TITLE CDK2 IN COMPLEX WITH FRAGLITE1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYCLIN-DEPENDENT KINASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CELL DIVISION PROTEIN KINASE 2,P33 PROTEIN KINASE; COMPND 5 EC: 2.7.11.22; 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 GENE: CDK2, CDKN2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS FRAGMENT, FRAGLITE, CDK2, INHIBITOR, CELL CYCLE EXPDTA X-RAY DIFFRACTION AUTHOR D.J.WOOD,M.P.MARTIN,M.E.M.NOBLE REVDAT 5 24-JAN-24 6Q3C 1 REMARK REVDAT 4 10-JUL-19 6Q3C 1 REMARK REVDAT 3 24-APR-19 6Q3C 1 JRNL REVDAT 2 03-APR-19 6Q3C 1 SOURCE REVDAT 1 20-MAR-19 6Q3C 0 JRNL AUTH D.J.WOOD,J.D.LOPEZ-FERNANDEZ,L.E.KNIGHT,I.AL-KHAWALDEH, JRNL AUTH 2 C.GAI,S.LIN,M.P.MARTIN,D.C.MILLER,C.CANO,J.A.ENDICOTT, JRNL AUTH 3 I.R.HARDCASTLE,M.E.M.NOBLE,M.J.WARING JRNL TITL FRAGLITES-MINIMAL, HALOGENATED FRAGMENTS DISPLAYING JRNL TITL 2 PHARMACOPHORE DOUBLETS. AN EFFICIENT APPROACH TO JRNL TITL 3 DRUGGABILITY ASSESSMENT AND HIT GENERATION. JRNL REF J.MED.CHEM. V. 62 3741 2019 JRNL REFN ISSN 0022-2623 JRNL PMID 30860382 JRNL DOI 10.1021/ACS.JMEDCHEM.9B00304 REMARK 2 REMARK 2 RESOLUTION. 1.29 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0238 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.29 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.63 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 58568 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) : 0.142 REMARK 3 R VALUE (WORKING SET) : 0.141 REMARK 3 FREE R VALUE : 0.178 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2980 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.29 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.32 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2263 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 46.75 REMARK 3 BIN R VALUE (WORKING SET) : 0.2490 REMARK 3 BIN FREE R VALUE SET COUNT : 106 REMARK 3 BIN FREE R VALUE : 0.2250 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2334 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 281 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.46000 REMARK 3 B22 (A**2) : 0.77000 REMARK 3 B33 (A**2) : -0.31000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.054 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.052 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.976 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.966 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2485 ; 0.012 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 2396 ; 0.033 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3384 ; 1.755 ; 1.648 REMARK 3 BOND ANGLES OTHERS (DEGREES): 5562 ; 2.301 ; 1.576 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 309 ; 6.108 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 126 ;37.647 ;21.111 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 442 ;15.474 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 18 ;15.263 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 316 ; 0.100 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2738 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 542 ; 0.016 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1182 ; 4.674 ; 2.184 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1181 ; 4.669 ; 2.183 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1482 ; 4.863 ; 3.284 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1483 ; 4.863 ; 3.285 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1303 ; 4.841 ; 2.756 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1304 ; 4.839 ; 2.756 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1894 ; 5.846 ; 3.935 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2961 ; 6.879 ;28.530 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2962 ; 6.878 ;28.525 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 4881 ;13.289 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 6Q3C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-DEC-18. REMARK 100 THE DEPOSITION ID IS D_1200013206. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-SEP-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.919 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61548 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.290 REMARK 200 RESOLUTION RANGE LOW (A) : 50.630 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.5 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.13000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.29 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.31 REMARK 200 COMPLETENESS FOR SHELL (%) : 46.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1HCK REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MG/ML CDK2 10% V/V PEG3350, 50 MM REMARK 280 HEPES/NAOH, 50 MM NA/K PHOSPHATE, PH 7.5., PH 7.4, VAPOR REMARK 280 DIFFUSION, HANGING 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 26.71950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 35.94300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.66650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.94300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.71950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.66650 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14640 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 GLY A -7 REMARK 465 PRO A -6 REMARK 465 LEU A -5 REMARK 465 GLY A -4 REMARK 465 SER A -3 REMARK 465 PRO A -2 REMARK 465 GLU A -1 REMARK 465 PHE A 0 REMARK 465 MET A 1 REMARK 465 LEU A 37 REMARK 465 ASP A 38 REMARK 465 THR A 39 REMARK 465 GLU A 40 REMARK 465 THR A 41 REMARK 465 GLU A 42 REMARK 465 GLY A 43 REMARK 465 VAL A 44 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 VAL A 7 -93.41 51.64 REMARK 500 GLU A 8 87.94 -150.62 REMARK 500 LYS A 9 104.23 -7.61 REMARK 500 ARG A 126 -10.56 79.07 REMARK 500 ARG A 126 -23.04 88.80 REMARK 500 ARG A 126 -9.32 78.01 REMARK 500 ASP A 127 47.32 -140.09 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 678 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH A 679 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH A 680 DISTANCE = 7.37 ANGSTROMS REMARK 525 HOH A 681 DISTANCE = 9.38 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BYZ A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BYZ A 302 DBREF 6Q3C A 1 298 UNP P24941 CDK2_HUMAN 1 298 SEQADV 6Q3C GLY A -7 UNP P24941 EXPRESSION TAG SEQADV 6Q3C PRO A -6 UNP P24941 EXPRESSION TAG SEQADV 6Q3C LEU A -5 UNP P24941 EXPRESSION TAG SEQADV 6Q3C GLY A -4 UNP P24941 EXPRESSION TAG SEQADV 6Q3C SER A -3 UNP P24941 EXPRESSION TAG SEQADV 6Q3C PRO A -2 UNP P24941 EXPRESSION TAG SEQADV 6Q3C GLU A -1 UNP P24941 EXPRESSION TAG SEQADV 6Q3C PHE A 0 UNP P24941 EXPRESSION TAG SEQRES 1 A 306 GLY PRO LEU GLY SER PRO GLU PHE MET GLU ASN PHE GLN SEQRES 2 A 306 LYS VAL GLU LYS ILE GLY GLU GLY THR TYR GLY VAL VAL SEQRES 3 A 306 TYR LYS ALA ARG ASN LYS LEU THR GLY GLU VAL VAL ALA SEQRES 4 A 306 LEU LYS LYS ILE ARG LEU ASP THR GLU THR GLU GLY VAL SEQRES 5 A 306 PRO SER THR ALA ILE ARG GLU ILE SER LEU LEU LYS GLU SEQRES 6 A 306 LEU ASN HIS PRO ASN ILE VAL LYS LEU LEU ASP VAL ILE SEQRES 7 A 306 HIS THR GLU ASN LYS LEU TYR LEU VAL PHE GLU PHE LEU SEQRES 8 A 306 HIS GLN ASP LEU LYS LYS PHE MET ASP ALA SER ALA LEU SEQRES 9 A 306 THR GLY ILE PRO LEU PRO LEU ILE LYS SER TYR LEU PHE SEQRES 10 A 306 GLN LEU LEU GLN GLY LEU ALA PHE CYS HIS SER HIS ARG SEQRES 11 A 306 VAL LEU HIS ARG ASP LEU LYS PRO GLN ASN LEU LEU ILE SEQRES 12 A 306 ASN THR GLU GLY ALA ILE LYS LEU ALA ASP PHE GLY LEU SEQRES 13 A 306 ALA ARG ALA PHE GLY VAL PRO VAL ARG THR TYR THR HIS SEQRES 14 A 306 GLU VAL VAL THR LEU TRP TYR ARG ALA PRO GLU ILE LEU SEQRES 15 A 306 LEU GLY OCS LYS TYR TYR SER THR ALA VAL ASP ILE TRP SEQRES 16 A 306 SER LEU GLY CYS ILE PHE ALA GLU MET VAL THR ARG ARG SEQRES 17 A 306 ALA LEU PHE PRO GLY ASP SER GLU ILE ASP GLN LEU PHE SEQRES 18 A 306 ARG ILE PHE ARG THR LEU GLY THR PRO ASP GLU VAL VAL SEQRES 19 A 306 TRP PRO GLY VAL THR SER MET PRO ASP TYR LYS PRO SER SEQRES 20 A 306 PHE PRO LYS TRP ALA ARG GLN ASP PHE SER LYS VAL VAL SEQRES 21 A 306 PRO PRO LEU ASP GLU ASP GLY ARG SER LEU LEU SER GLN SEQRES 22 A 306 MET LEU HIS TYR ASP PRO ASN LYS ARG ILE SER ALA LYS SEQRES 23 A 306 ALA ALA LEU ALA HIS PRO PHE PHE GLN ASP VAL THR LYS SEQRES 24 A 306 PRO VAL PRO HIS LEU ARG LEU MODRES 6Q3C OCS A 177 CYS MODIFIED RESIDUE HET OCS A 177 9 HET BYZ A 301 6 HET BYZ A 302 6 HETNAM OCS CYSTEINESULFONIC ACID HETNAM BYZ 4-BROMO-1H-PYRAZOLE FORMUL 1 OCS C3 H7 N O5 S FORMUL 2 BYZ 2(C3 H3 BR N2) FORMUL 4 HOH *281(H2 O) HELIX 1 AA1 SER A 46 LEU A 55 1 10 HELIX 2 AA2 LYS A 56 LEU A 58 5 3 HELIX 3 AA3 LEU A 87 SER A 94 1 8 HELIX 4 AA4 PRO A 100 HIS A 121 1 22 HELIX 5 AA5 LYS A 129 GLN A 131 5 3 HELIX 6 AA6 GLY A 147 GLY A 153 1 7 HELIX 7 AA7 ALA A 170 LEU A 175 1 6 HELIX 8 AA8 THR A 182 ARG A 199 1 18 HELIX 9 AA9 SER A 207 GLY A 220 1 14 HELIX 10 AB1 GLY A 229 MET A 233 5 5 HELIX 11 AB2 ASP A 247 VAL A 252 1 6 HELIX 12 AB3 ASP A 256 LEU A 267 1 12 HELIX 13 AB4 SER A 276 ALA A 282 1 7 HELIX 14 AB5 HIS A 283 GLN A 287 5 5 SHEET 1 AA1 5 GLY A 11 GLU A 12 0 SHEET 2 AA1 5 VAL A 17 ARG A 22 -1 O VAL A 18 N GLY A 11 SHEET 3 AA1 5 VAL A 29 ILE A 35 -1 O LEU A 32 N TYR A 19 SHEET 4 AA1 5 LYS A 75 GLU A 81 -1 O LEU A 76 N ILE A 35 SHEET 5 AA1 5 LEU A 66 THR A 72 -1 N THR A 72 O LYS A 75 SHEET 1 AA2 3 GLN A 85 ASP A 86 0 SHEET 2 AA2 3 LEU A 133 ILE A 135 -1 O ILE A 135 N GLN A 85 SHEET 3 AA2 3 ILE A 141 LEU A 143 -1 O LYS A 142 N LEU A 134 LINK C GLY A 176 N OCS A 177 1555 1555 1.34 LINK C OCS A 177 N LYS A 178 1555 1555 1.34 CISPEP 1 PRO A 253 PRO A 254 0 2.42 SITE 1 AC1 6 ALA A 31 GLU A 81 PHE A 82 LEU A 83 SITE 2 AC1 6 LEU A 134 BYZ A 302 SITE 1 AC2 8 ALA A 31 LYS A 33 GLU A 81 PHE A 82 SITE 2 AC2 8 LEU A 83 LEU A 134 BYZ A 301 HOH A 521 CRYST1 53.439 71.333 71.886 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 0.018713 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014019 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013911 0.00000