HEADER HYDROLASE 27-FEB-22 7Z2I TITLE TRYPSIN (BOVINE) COMPLEXED WITH COMPOUND 4 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SERINE PROTEASE 1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ANIONIC TRYPSIN I,ANIONIC TRYPSIN-I,BETA-TRYPSIN,CATIONIC COMPND 5 TRYPSIN,PRETRYPSINOGEN I,TRYPSIN I,TRYPSIN-I; COMPND 6 EC: 3.4.21.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS TRYPSIN, FRAGMENT COMPLEX, FLUORINE CONTAINING SMALL MOLECULE KEYWDS 2 INHIBITOR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.SCHIERING,C.DALVIT,A.VULPETTI REVDAT 4 01-MAY-24 7Z2I 1 REMARK REVDAT 3 20-JUL-22 7Z2I 1 JRNL REVDAT 2 13-JUL-22 7Z2I 1 JRNL REVDAT 1 25-MAY-22 7Z2I 0 JRNL AUTH A.VULPETTI,A.LINGEL,C.DALVIT,N.SCHIERING,L.OBERER,C.HENRY, JRNL AUTH 2 Y.LU JRNL TITL EFFICIENT SCREENING OF TARGET-SPECIFIC SELECTED COMPOUNDS IN JRNL TITL 2 MIXTURES BY 19 F NMR BINDING ASSAY WITH PREDICTED 19 F NMR JRNL TITL 3 CHEMICAL SHIFTS. JRNL REF CHEMMEDCHEM V. 17 00163 2022 JRNL REFN ESSN 1860-7187 JRNL PMID 35475323 JRNL DOI 10.1002/CMDC.202200163 REMARK 2 REMARK 2 RESOLUTION. 1.09 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0063 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.09 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.43 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 90.0 REMARK 3 NUMBER OF REFLECTIONS : 76489 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) : 0.136 REMARK 3 R VALUE (WORKING SET) : 0.135 REMARK 3 FREE R VALUE : 0.150 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 4026 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) : 1.09 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.12 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2941 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 47.24 REMARK 3 BIN R VALUE (WORKING SET) : 0.1360 REMARK 3 BIN FREE R VALUE SET COUNT : 154 REMARK 3 BIN FREE R VALUE : 0.1490 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1629 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 409 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.02 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.84 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.22000 REMARK 3 B22 (A**2) : -0.40000 REMARK 3 B33 (A**2) : 0.17000 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): 0.031 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.029 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.014 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.611 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.969 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.963 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1852 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2540 ; 1.225 ; 1.964 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 260 ; 6.402 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 59 ;39.285 ;25.932 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 295 ;10.678 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ;20.320 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 282 ; 0.080 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1408 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1852 ; 0.789 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 410 ; 2.635 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1799 ; 2.167 ; 3.000 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 : MASK 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7Z2I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAR-22. REMARK 100 THE DEPOSITION ID IS D_1292121401. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-09 REMARK 200 TEMPERATURE (KELVIN) : 100.000 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SLS REMARK 200 BEAMLINE : X10SA REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00000 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 80517 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.090 REMARK 200 RESOLUTION RANGE LOW (A) : 33.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.0 REMARK 200 DATA REDUNDANCY : 5.170 REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.9600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.09 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 33.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 47.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.51 REMARK 200 R MERGE FOR SHELL (I) : 0.21000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.010 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: INHOUSE STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG3350, 0.2 M LISO4, 100 MM HEPES REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 27.27600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.42750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.14950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.42750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.27600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.14950 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 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 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 71 -81.59 -118.16 REMARK 500 SER A 195 131.72 -36.02 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 802 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH A 803 DISTANCE = 5.92 ANGSTROMS REMARK 525 HOH A 804 DISTANCE = 6.29 ANGSTROMS REMARK 525 HOH A 805 DISTANCE = 6.35 ANGSTROMS REMARK 525 HOH A 806 DISTANCE = 6.40 ANGSTROMS REMARK 525 HOH A 807 DISTANCE = 6.58 ANGSTROMS REMARK 525 HOH A 808 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH A 809 DISTANCE = 6.74 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 CA A 305 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 91.1 REMARK 620 3 VAL A 75 O 164.8 81.3 REMARK 620 4 GLU A 80 OE2 104.8 157.0 86.4 REMARK 620 5 HOH A 405 O 86.8 88.9 106.0 75.9 REMARK 620 6 HOH A 478 O 78.5 106.3 90.9 93.2 158.9 REMARK 620 N 1 2 3 4 5 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 7Z25 RELATED DB: PDB REMARK 900 TRYPSIN IN COMPLEX WITH ANOTHER FLUOR-CONTAINING COMPOUND - SAME REMARK 900 MANUSCRIPT DBREF 7Z2I A 16 245 UNP P00760 TRY1_BOVIN 24 246 SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN HET DMS A 301 8 HET DMS A 302 4 HET DMS A 303 4 HET DMS A 304 4 HET CA A 305 1 HET I9O A 306 20 HETNAM DMS DIMETHYL SULFOXIDE HETNAM CA CALCIUM ION HETNAM I9O 5-[[3-(TRIFLUOROMETHYL)PHENYL]METHYL]-1,4,6,7- HETNAM 2 I9O TETRAHYDROIMIDAZO[4,5-C]PYRIDINE FORMUL 2 DMS 4(C2 H6 O S) FORMUL 6 CA CA 2+ FORMUL 7 I9O C14 H14 F3 N3 FORMUL 8 HOH *409(H2 O) HELIX 1 AA1 ALA A 55 TYR A 59 5 5 HELIX 2 AA2 SER A 164 TYR A 172 1 9 HELIX 3 AA3 TYR A 234 ASN A 245 1 12 SHEET 1 AA1 7 TYR A 20 THR A 21 0 SHEET 2 AA1 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 AA1 7 GLN A 135 GLY A 140 -1 N ILE A 138 O LEU A 158 SHEET 4 AA1 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 AA1 7 LYS A 204 TRP A 215 -1 O LYS A 204 N CYS A 201 SHEET 6 AA1 7 GLY A 226 LYS A 230 -1 O VAL A 227 N TRP A 215 SHEET 7 AA1 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 AA2 7 GLN A 30 ASN A 34 0 SHEET 2 AA2 7 HIS A 40 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 3 AA2 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 AA2 7 MET A 104 LEU A 108 -1 O ILE A 106 N VAL A 52 SHEET 5 AA2 7 GLN A 81 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 6 AA2 7 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 7 AA2 7 GLN A 30 ASN A 34 -1 N SER A 32 O ARG A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.05 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.04 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.03 LINK OE1 GLU A 70 CA CA A 305 1555 1555 2.26 LINK O ASN A 72 CA CA A 305 1555 1555 2.31 LINK O VAL A 75 CA CA A 305 1555 1555 2.27 LINK OE2 GLU A 80 CA CA A 305 1555 1555 2.33 LINK CA CA A 305 O HOH A 405 1555 1555 2.38 LINK CA CA A 305 O HOH A 478 1555 1555 2.35 CRYST1 54.552 58.299 66.855 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 0.018331 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017153 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014958 0.00000