HEADER HYDROLASE 18-JAN-18 6FID TITLE BOVINE TRYPSIN SOLVED BY S-SAD ON ID30B COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN; COMPND 5 EC: 3.4.21.4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: BOS TAURUS; SOURCE 6 EXPRESSION_SYSTEM_COMMON: BOVINE; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9913 KEYWDS BENZAMIDINE INHIBITOR COMPLEX, S-SAD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.A.MCCARTHY,C.MUELLER-DIECKMANN REVDAT 4 13-NOV-24 6FID 1 REMARK REVDAT 3 08-AUG-18 6FID 1 JRNL REVDAT 2 18-JUL-18 6FID 1 JRNL REVDAT 1 07-FEB-18 6FID 0 JRNL AUTH A.A.MCCARTHY,R.BARRETT,A.BETEVA,H.CASEROTTO,F.DOBIAS, JRNL AUTH 2 F.FELISAZ,T.GIRAUD,M.GUIJARRO,R.JANOCHA,A.KHADROUCHE, JRNL AUTH 3 M.LENTINI,G.A.LEONARD,M.LOPEZ MARRERO,S.MALBET-MONACO, JRNL AUTH 4 S.MCSWEENEY,D.NURIZZO,G.PAPP,C.ROSSI,J.SINOIR,C.SOREZ, JRNL AUTH 5 J.SURR,O.SVENSSON,U.ZANDER,F.CIPRIANI,P.THEVENEAU, JRNL AUTH 6 C.MUELLER-DIECKMANN JRNL TITL ID30B - A VERSATILE BEAMLINE FOR MACROMOLECULAR JRNL TITL 2 CRYSTALLOGRAPHY EXPERIMENTS AT THE ESRF. JRNL REF J SYNCHROTRON RADIAT V. 25 1249 2018 JRNL REFN ESSN 1600-5775 JRNL PMID 29979188 JRNL DOI 10.1107/S1600577518007166 REMARK 2 REMARK 2 RESOLUTION. 2.20 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.18 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.6 REMARK 3 NUMBER OF REFLECTIONS : 13063 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) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 745 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.26 REMARK 3 REFLECTION IN BIN (WORKING SET) : 862 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.58 REMARK 3 BIN R VALUE (WORKING SET) : 0.1970 REMARK 3 BIN FREE R VALUE SET COUNT : 38 REMARK 3 BIN FREE R VALUE : 0.2750 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 : 25 REMARK 3 SOLVENT ATOMS : 170 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.07 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.58000 REMARK 3 B22 (A**2) : -2.44000 REMARK 3 B33 (A**2) : -0.14000 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): 0.222 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.186 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.102 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.272 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.947 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.913 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1695 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1497 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2306 ; 1.307 ; 1.958 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3502 ; 0.888 ; 3.002 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 224 ; 6.977 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 58 ;39.112 ;25.862 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 270 ;10.654 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ;10.386 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 258 ; 0.077 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1906 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 319 ; 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): 896 ; 0.942 ; 0.939 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 895 ; 0.941 ; 0.939 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1120 ; 1.426 ; 1.405 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1121 ; 1.426 ; 1.405 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 799 ; 1.818 ; 1.137 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 788 ; 1.561 ; 1.089 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 1169 ; 2.267 ; 1.560 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 1917 ; 4.605 ;12.333 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 1880 ; 4.476 ;11.736 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.10 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 6FID COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 18-JAN-18. REMARK 100 THE DEPOSITION ID IS D_1200008385. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID30B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 2.066 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : BE CRL/SI ELLIPTICAL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13845 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 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 (%) : 97.2 REMARK 200 DATA REDUNDANCY : 11.80 REMARK 200 R MERGE (I) : 0.11500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 24.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.27 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.8 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : 0.26400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 10.40 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: CRANK2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: LONG RODS REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.87 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 8000, 0.2 M AMMONIUM SULFATE REMARK 280 AND 100MM TRIS-HCL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 29.97350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.84700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.05350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.84700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.97350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.05350 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: 980 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 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 76 -77.12 -118.33 REMARK 500 ASN A 84 -14.90 77.37 REMARK 500 SER A 150 -64.54 -100.53 REMARK 500 SER A 215 -70.35 -123.41 REMARK 500 ASN A 224 13.77 59.07 REMARK 500 REMARK 500 REMARK: NULL 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 301 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 75 OE1 REMARK 620 2 ASN A 77 O 95.3 REMARK 620 3 VAL A 80 O 162.3 79.1 REMARK 620 4 GLU A 85 OE2 102.3 156.0 88.2 REMARK 620 5 HOH A 406 O 88.4 89.1 108.1 75.5 REMARK 620 6 HOH A 466 O 75.0 105.6 90.2 94.6 158.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue CA A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BEN A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 304 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 305 DBREF 6FID A 24 246 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 CA A 301 1 HET BEN A 302 9 HET SO4 A 303 5 HET SO4 A 304 5 HET SO4 A 305 5 HETNAM CA CALCIUM ION HETNAM BEN BENZAMIDINE HETNAM SO4 SULFATE ION FORMUL 2 CA CA 2+ FORMUL 3 BEN C7 H8 N2 FORMUL 4 SO4 3(O4 S 2-) FORMUL 7 HOH *170(H2 O) HELIX 1 AA1 ALA A 61 TYR A 65 5 5 HELIX 2 AA2 SER A 167 TYR A 175 1 9 HELIX 3 AA3 TYR A 235 ASN A 246 1 12 SHEET 1 AA1 7 TYR A 28 THR A 29 0 SHEET 2 AA1 7 LYS A 159 PRO A 164 -1 O CYS A 160 N TYR A 28 SHEET 3 AA1 7 GLN A 138 GLY A 143 -1 N ILE A 141 O LEU A 161 SHEET 4 AA1 7 PRO A 203 CYS A 206 -1 O VAL A 205 N LEU A 140 SHEET 5 AA1 7 LYS A 209 TRP A 216 -1 O LYS A 209 N CYS A 206 SHEET 6 AA1 7 GLY A 227 LYS A 231 -1 O VAL A 228 N TRP A 216 SHEET 7 AA1 7 MET A 183 ALA A 186 -1 N PHE A 184 O TYR A 229 SHEET 1 AA2 7 GLN A 38 ASN A 42 0 SHEET 2 AA2 7 HIS A 46 ASN A 54 -1 O CYS A 48 N LEU A 41 SHEET 3 AA2 7 TRP A 57 SER A 60 -1 O VAL A 59 N SER A 51 SHEET 4 AA2 7 MET A 109 LEU A 113 -1 O ILE A 111 N VAL A 58 SHEET 5 AA2 7 GLN A 86 VAL A 95 -1 N ILE A 94 O LEU A 110 SHEET 6 AA2 7 GLN A 70 LEU A 73 -1 N LEU A 73 O GLN A 86 SHEET 7 AA2 7 GLN A 38 ASN A 42 -1 N ASN A 42 O GLN A 70 SSBOND 1 CYS A 30 CYS A 160 1555 1555 2.07 SSBOND 2 CYS A 48 CYS A 64 1555 1555 2.06 SSBOND 3 CYS A 132 CYS A 233 1555 1555 2.05 SSBOND 4 CYS A 139 CYS A 206 1555 1555 2.05 SSBOND 5 CYS A 171 CYS A 185 1555 1555 2.03 SSBOND 6 CYS A 196 CYS A 220 1555 1555 2.06 LINK OE1 GLU A 75 CA CA A 301 1555 1555 2.28 LINK O ASN A 77 CA CA A 301 1555 1555 2.35 LINK O VAL A 80 CA CA A 301 1555 1555 2.30 LINK OE2 GLU A 85 CA CA A 301 1555 1555 2.28 LINK CA CA A 301 O HOH A 406 1555 1555 2.33 LINK CA CA A 301 O HOH A 466 1555 1555 2.35 SITE 1 AC1 6 GLU A 75 ASN A 77 VAL A 80 GLU A 85 SITE 2 AC1 6 HOH A 406 HOH A 466 SITE 1 AC2 10 ASP A 194 SER A 195 SER A 200 VAL A 214 SITE 2 AC2 10 TRP A 216 GLY A 217 GLY A 219 CYS A 220 SITE 3 AC2 10 GLY A 227 SO4 A 304 SITE 1 AC3 4 PRO A 155 ASP A 156 VAL A 157 LYS A 159 SITE 1 AC4 5 HIS A 63 GLN A 197 GLY A 198 SER A 200 SITE 2 AC4 5 BEN A 302 SITE 1 AC5 5 ARG A 72 SER A 169 SER A 170 SER A 173 SITE 2 AC5 5 HOH A 518 CRYST1 59.947 64.107 69.694 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 0.016681 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015599 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014348 0.00000