HEADER TRANSFERASE 21-AUG-18 6M8C TITLE CRYSTAL STRUCTURE OF THE CORE CATALYTIC DOMAIN OF HUMAN INOSITOL TITLE 2 PHOSPHATE MULTIKINASE IN COMPLEX WITH ISORHAMNETIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: INOSITOL POLYPHOSPHATE MULTIKINASE,INOSITOL POLYPHOSPHATE COMPND 3 MULTIKINASE; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: INOSITOL 1,3,4,6-TETRAKISPHOSPHATE 5-KINASE,INOSITOL 1,3,4, COMPND 6 6-TETRAKISPHOSPHATE 5-KINASE; COMPND 7 EC: 2.7.1.151,2.7.1.151; 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: IPMK, IMPK; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS KINASE, INOSITOL, INOSITOL POLYPHOSPHATE, TRANSFERASE, ISORHAMNETIN, KEYWDS 2 FLAVONOID, INHIBITOR, NATURAL PRODUCT EXPDTA X-RAY DIFFRACTION AUTHOR H.WANG,S.B.SHEARS REVDAT 4 11-OCT-23 6M8C 1 REMARK REVDAT 3 18-DEC-19 6M8C 1 REMARK REVDAT 2 01-MAY-19 6M8C 1 JRNL REVDAT 1 23-JAN-19 6M8C 0 JRNL AUTH C.GU,M.A.STASHKO,A.C.PUHL-RUBIO,M.CHAKRABORTY,A.CHAKRABORTY, JRNL AUTH 2 S.V.FRYE,K.H.PEARCE,X.WANG,S.B.SHEARS,H.WANG JRNL TITL INHIBITION OF INOSITOL POLYPHOSPHATE KINASES BY QUERCETIN JRNL TITL 2 AND RELATED FLAVONOIDS: A STRUCTURE-ACTIVITY ANALYSIS. JRNL REF J. MED. CHEM. V. 62 1443 2019 JRNL REFN ISSN 1520-4804 JRNL PMID 30624931 JRNL DOI 10.1021/ACS.JMEDCHEM.8B01593 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0189 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 23722 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) : 0.171 REMARK 3 R VALUE (WORKING SET) : 0.168 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1275 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1637 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.56 REMARK 3 BIN R VALUE (WORKING SET) : 0.1890 REMARK 3 BIN FREE R VALUE SET COUNT : 83 REMARK 3 BIN FREE R VALUE : 0.2820 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1941 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 119 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.74 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.87 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.03000 REMARK 3 B22 (A**2) : -0.03000 REMARK 3 B33 (A**2) : 0.07000 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): 0.207 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.123 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.082 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.931 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.926 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2051 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1847 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2784 ; 1.267 ; 1.976 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4306 ; 0.864 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 245 ; 5.885 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 97 ;33.532 ;24.227 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 351 ;12.131 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ; 9.006 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 290 ; 0.066 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2281 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 424 ; 0.001 ; 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): 974 ; 2.067 ; 2.223 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 973 ; 2.069 ; 2.221 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1221 ; 2.972 ; 3.318 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1222 ; 2.973 ; 3.320 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1076 ; 2.256 ; 2.590 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1070 ; 2.260 ; 2.591 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1558 ; 2.974 ; 3.779 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 2380 ; 4.473 ;26.949 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 2356 ; 4.393 ;26.785 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 3893 ; 1.376 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 66 ;34.472 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3893 ;19.367 ; 5.000 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 6M8C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-AUG-18. REMARK 100 THE DEPOSITION ID IS D_1000236341. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 22-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX300-HS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25133 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 15.80 REMARK 200 R MERGE (I) : 0.09000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 33.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 12.70 REMARK 200 R MERGE FOR SHELL (I) : 0.98900 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: REFMAC REMARK 200 STARTING MODEL: 5W2G REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 35% (W/V) PEG 400, 0.1 M LI2SO4, 100 REMARK 280 MM MES IMIDANZOL BUFFER , PH 6.0, 50 MM BETA-MERCAPTOETHANOL AT REMARK 280 298K. TO OBTAIN COMPLEX STRUCTURE, THE APO CRYSTAL WAS FURTHER REMARK 280 SOAKED UNDER 35% (W/V) PEG 400, 0.1 M LI2SO4, 100 MM HEPES, PH REMARK 280 7.5 AT 298K IN THE PRESENCE OF 10 MM ISORHAMNETIN FOR 3 DAYS., REMARK 280 VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 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+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 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,X,-Z REMARK 290 8555 -Y,-X,-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 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 39.11500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 39.11500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 42.56000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 39.11500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 39.11500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 42.56000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 39.11500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 39.11500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 42.56000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 39.11500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 39.11500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 42.56000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 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 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 GLY A 46 REMARK 465 SER A 47 REMARK 465 PHE A 48 REMARK 465 THR A 49 REMARK 465 SER A 50 REMARK 465 HIS A 51 REMARK 465 GLN A 52 REMARK 465 VAL A 53 REMARK 465 ALA A 54 REMARK 465 GLY A 55 REMARK 465 HIS A 56 REMARK 465 MET A 57 REMARK 465 TYR A 58 REMARK 465 GLY A 59 REMARK 465 LYS A 60 REMARK 465 ASP A 61 REMARK 465 LYS A 62 REMARK 465 VAL A 63 REMARK 465 GLY A 64 REMARK 465 GLN A 372 REMARK 465 GLY A 373 REMARK 465 GLY A 374 REMARK 465 SER A 375 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 385 86.30 73.72 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 IRH A 501 DBREF 6M8C A 50 372 UNP Q8NFU5 IPMK_HUMAN 50 262 DBREF 6M8C A 378 416 UNP Q8NFU5 IPMK_HUMAN 378 416 SEQADV 6M8C GLY A 46 UNP Q8NFU5 EXPRESSION TAG SEQADV 6M8C SER A 47 UNP Q8NFU5 EXPRESSION TAG SEQADV 6M8C PHE A 48 UNP Q8NFU5 EXPRESSION TAG SEQADV 6M8C THR A 49 UNP Q8NFU5 EXPRESSION TAG SEQADV 6M8C GLY A 373 UNP Q8NFU5 LINKER SEQADV 6M8C GLY A 374 UNP Q8NFU5 LINKER SEQADV 6M8C SER A 375 UNP Q8NFU5 LINKER SEQADV 6M8C GLY A 376 UNP Q8NFU5 LINKER SEQADV 6M8C GLY A 377 UNP Q8NFU5 LINKER SEQRES 1 A 261 GLY SER PHE THR SER HIS GLN VAL ALA GLY HIS MET TYR SEQRES 2 A 261 GLY LYS ASP LYS VAL GLY ILE LEU GLN HIS PRO ASP GLY SEQRES 3 A 261 THR VAL LEU LYS GLN LEU GLN PRO PRO PRO ARG GLY PRO SEQRES 4 A 261 ARG GLU LEU GLU PHE TYR ASN MET VAL TYR ALA ALA ASP SEQRES 5 A 261 CYS PHE ASP GLY VAL LEU LEU GLU LEU ARG LYS TYR LEU SEQRES 6 A 261 PRO LYS TYR TYR GLY ILE TRP SER PRO PRO THR ALA PRO SEQRES 7 A 261 ASN ASP LEU TYR LEU LYS LEU GLU ASP VAL THR HIS LYS SEQRES 8 A 261 PHE ASN LYS PRO CYS ILE MET ASP VAL LYS ILE GLY GLN SEQRES 9 A 261 LYS SER TYR ASP PRO PHE ALA SER SER GLU LYS ILE GLN SEQRES 10 A 261 GLN GLN VAL SER LYS TYR PRO LEU MET GLU GLU ILE GLY SEQRES 11 A 261 PHE LEU VAL LEU GLY MET ARG VAL TYR HIS VAL HIS SER SEQRES 12 A 261 ASP SER TYR GLU THR GLU ASN GLN HIS TYR GLY ARG SER SEQRES 13 A 261 LEU THR LYS GLU THR ILE LYS ASP GLY VAL SER ARG PHE SEQRES 14 A 261 PHE HIS ASN GLY TYR CYS LEU ARG LYS ASP ALA VAL ALA SEQRES 15 A 261 ALA SER ILE GLN LYS ILE GLU LYS ILE LEU GLN TRP PHE SEQRES 16 A 261 GLU ASN GLN LYS GLN LEU ASN PHE TYR ALA SER SER LEU SEQRES 17 A 261 LEU PHE VAL TYR GLU GLY SER SER GLN GLY GLY SER GLY SEQRES 18 A 261 GLY GLU VAL GLU VAL ARG MET ILE ASP PHE ALA HIS VAL SEQRES 19 A 261 PHE PRO SER ASN THR ILE ASP GLU GLY TYR VAL TYR GLY SEQRES 20 A 261 LEU LYS HIS LEU ILE SER VAL LEU ARG SER ILE LEU ASP SEQRES 21 A 261 ASN HET IRH A 501 23 HETNAM IRH ISORHAMNETIN HETSYN IRH 3,5,7-TRIHYDROXY-2-(4-HYDROXY-3-METHOXYPHENYL)-4H-1- HETSYN 2 IRH BENZOPYRAN-4-ONE FORMUL 2 IRH C16 H12 O7 FORMUL 3 HOH *119(H2 O) HELIX 1 AA1 PRO A 81 TYR A 94 1 14 HELIX 2 AA2 ASP A 100 ARG A 107 1 8 HELIX 3 AA3 LYS A 108 LEU A 110 5 3 HELIX 4 AA4 SER A 157 TYR A 168 1 12 HELIX 5 AA5 LEU A 170 GLY A 175 1 6 HELIX 6 AA6 ASN A 195 SER A 201 1 7 HELIX 7 AA7 THR A 206 ARG A 213 1 8 HELIX 8 AA8 ARG A 222 ASN A 242 1 21 HELIX 9 AA9 ASP A 396 LEU A 414 1 19 SHEET 1 AA1 4 LEU A 66 GLN A 67 0 SHEET 2 AA1 4 THR A 72 GLN A 76 -1 O LEU A 74 N LEU A 66 SHEET 3 AA1 4 TYR A 127 GLU A 131 -1 O LEU A 130 N VAL A 73 SHEET 4 AA1 4 TYR A 113 TRP A 117 -1 N TYR A 114 O LYS A 129 SHEET 1 AA2 5 SER A 190 GLU A 194 0 SHEET 2 AA2 5 PHE A 176 HIS A 185 -1 N HIS A 185 O SER A 190 SHEET 3 AA2 5 PRO A 140 ILE A 147 -1 N LYS A 146 O LEU A 177 SHEET 4 AA2 5 SER A 251 GLU A 258 -1 O PHE A 255 N MET A 143 SHEET 5 AA2 5 VAL A 379 ILE A 384 -1 O ARG A 382 N LEU A 254 SHEET 1 AA3 2 HIS A 216 ASN A 217 0 SHEET 2 AA3 2 CYS A 220 LEU A 221 -1 O CYS A 220 N ASN A 217 SHEET 1 AA4 2 LEU A 246 PHE A 248 0 SHEET 2 AA4 2 VAL A 389 PRO A 391 -1 O PHE A 390 N ASN A 247 CISPEP 1 PRO A 80 PRO A 81 0 4.12 SITE 1 AC1 15 ILE A 65 GLN A 67 LYS A 75 PRO A 111 SITE 2 AC1 15 GLU A 131 ASP A 132 VAL A 133 THR A 134 SITE 3 AC1 15 ILE A 142 ARG A 182 LEU A 254 ILE A 384 SITE 4 AC1 15 HOH A 609 HOH A 652 HOH A 696 CRYST1 78.230 78.230 85.120 90.00 90.00 90.00 P 42 21 2 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 0.012783 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012783 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011748 0.00000