HEADER HYDROLASE/HYDROLASE INHIBITOR 16-NOV-11 3UNS TITLE BOVINE TRYPSIN VARIANT X(TRIPLEPHE227) IN COMPLEX WITH SMALL MOLECULE TITLE 2 INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-TRYPSIN, ALPHA-TRYPSIN CHAIN 1, ALPHA-TRYPSIN CHAIN 2; COMPND 5 EC: 3.4.21.4; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS TRYPSIN-LIKE SERINE PROTEASE, HYDROLASE, PROTEIN BINDING, DUODENUM, KEYWDS 2 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.TZIRIDIS,P.NEUMANN,P.KOLENKO,M.T.STUBBS REVDAT 4 06-NOV-24 3UNS 1 REMARK REVDAT 3 13-SEP-23 3UNS 1 REMARK SEQADV LINK REVDAT 2 16-JUL-14 3UNS 1 JRNL REVDAT 1 21-NOV-12 3UNS 0 JRNL AUTH A.TZIRIDIS,D.RAUH,P.NEUMANN,P.KOLENKO,A.MENZEL,U.BRAUER, JRNL AUTH 2 C.URSEL,P.STEINMETZER,J.STURZEBECHER,A.SCHWEINITZ, JRNL AUTH 3 T.STEINMETZER,M.T.STUBBS JRNL TITL CORRELATING STRUCTURE AND LIGAND AFFINITY IN DRUG DISCOVERY: JRNL TITL 2 A CAUTIONARY TALE INVOLVING SECOND SHELL RESIDUES. JRNL REF BIOL.CHEM. V. 395 891 2014 JRNL REFN ISSN 1431-6730 JRNL PMID 25003390 JRNL DOI 10.1515/HSZ-2014-0158 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.48 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 19865 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) : 0.179 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1017 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) : 1428 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.79 REMARK 3 BIN R VALUE (WORKING SET) : 0.3310 REMARK 3 BIN FREE R VALUE SET COUNT : 89 REMARK 3 BIN FREE R VALUE : 0.3910 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1636 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 47 REMARK 3 SOLVENT ATOMS : 292 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.77 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.42000 REMARK 3 B22 (A**2) : -0.78000 REMARK 3 B33 (A**2) : 0.37000 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): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.069 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.305 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.963 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1757 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2394 ; 1.463 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 236 ; 6.378 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;37.260 ;25.667 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 286 ;13.148 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ;12.866 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 263 ; 0.092 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1304 ; 0.007 ; 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): 1119 ; 0.690 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1801 ; 1.241 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 638 ; 2.091 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 586 ; 3.086 ; 4.500 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): 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 : 1.40 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 3UNS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-DEC-11. REMARK 100 THE DEPOSITION ID IS D_1000068985. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.542 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RIGAKU SATURN 944+ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19879 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 43.480 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.700 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.08300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.2000 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) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.50 REMARK 200 R MERGE FOR SHELL (I) : 0.41400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.400 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: 1V2K REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.22 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG8000, 0.1M AMMONIUM SULPHATE, REMARK 280 0.1M IMIDAZOLE, PH 7.0, 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 27.13700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.44250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.59150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.44250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.13700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.59150 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 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 -81.55 -115.79 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 480 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 90.9 REMARK 620 3 VAL A 75 O 164.7 81.8 REMARK 620 4 GLU A 80 OE2 104.0 159.9 86.6 REMARK 620 5 HOH A1009 O 87.8 89.4 105.4 77.9 REMARK 620 6 HOH A1013 O 80.7 101.6 87.6 94.2 164.2 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 480 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ANH A 481 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 482 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 483 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 484 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1V2K RELATED DB: PDB REMARK 900 RELATED ID: 3UNQ RELATED DB: PDB REMARK 900 RELATED ID: 3UNP RELATED DB: PDB REMARK 900 RELATED ID: 3UPE RELATED DB: PDB REMARK 900 RELATED ID: 3UQO RELATED DB: PDB REMARK 900 RELATED ID: 3UQV RELATED DB: PDB REMARK 900 RELATED ID: 3UQZ RELATED DB: PDB DBREF 3UNS A 16 245 UNP P00760 TRY1_BOVIN 24 246 SEQADV 3UNS GLU A 97 UNP P00760 ASN 102 ENGINEERED MUTATION SEQADV 3UNS TYR A 99 UNP P00760 LEU 104 ENGINEERED MUTATION SEQADV 3UNS SER A 172 UNP P00760 TYR 175 ENGINEERED MUTATION SEQADV 3UNS SER A 173 UNP P00760 PRO 176 ENGINEERED MUTATION SEQADV 3UNS PHE A 174 UNP P00760 GLY 177 ENGINEERED MUTATION SEQADV 3UNS ILE A 175 UNP P00760 GLN 178 ENGINEERED MUTATION SEQADV 3UNS ALA A 190 UNP P00760 SER 195 ENGINEERED MUTATION SEQADV 3UNS PHE A 227 UNP P00760 VAL 228 ENGINEERED MUTATION 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 GLU THR TYR 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 SER SER PHE ILE ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP ALA 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 PHE 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 480 1 HET ANH A 481 30 HET SO4 A 482 5 HET SO4 A 483 5 HET GOL A 484 6 HETNAM CA CALCIUM ION HETNAM ANH METHYL N-[(4-METHYLPHENYL)SULFONYL]GLYCYL-3- HETNAM 2 ANH [AMINO(IMINO)METHYL]-D-PHENYLALANINATE HETNAM SO4 SULFATE ION HETNAM GOL GLYCEROL HETSYN ANH NALPHA-(2-NAPHTHYLSULFONYLGLYCYL)-3-AMIDINO-D,L- HETSYN 2 ANH PHENYLALANINE-ISOPROPYLESTER HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 CA CA 2+ FORMUL 3 ANH C20 H24 N4 O5 S FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 GOL C3 H8 O3 FORMUL 7 HOH *292(H2 O) HELIX 1 1 ALA A 55 TYR A 59 5 5 HELIX 2 2 SER A 164 SER A 170 1 7 HELIX 3 3 TYR A 234 ALA A 243 1 10 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 N ILE A 138 O LEU A 158 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 A 7 LYS A 204 TRP A 215 -1 O GLY A 211 N VAL A 199 SHEET 6 A 7 GLY A 226 LYS A 230 -1 O PHE A 227 N TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 ASN A 48 -1 O CYS A 42 N LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 O ILE A 106 N VAL A 52 SHEET 5 B 7 GLN A 81 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 6 B 7 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 7 B 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.02 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.01 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.01 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.01 LINK OE1 GLU A 70 CA CA A 480 1555 1555 2.25 LINK O ASN A 72 CA CA A 480 1555 1555 2.31 LINK O VAL A 75 CA CA A 480 1555 1555 2.28 LINK OE2 GLU A 80 CA CA A 480 1555 1555 2.20 LINK CA CA A 480 O HOH A1009 1555 1555 2.38 LINK CA CA A 480 O HOH A1013 1555 1555 2.33 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A1009 HOH A1013 SITE 1 AC2 21 CYS A 136 LEU A 137 ASP A 189 ALA A 190 SITE 2 AC2 21 GLN A 192 SER A 195 VAL A 200 CYS A 201 SITE 3 AC2 21 SER A 202 GLY A 203 TRP A 215 GLY A 216 SITE 4 AC2 21 GLY A 219 CYS A 220 GLY A 226 SO4 A 482 SITE 5 AC2 21 HOH A1004 HOH A1047 HOH A1076 HOH A1184 SITE 6 AC2 21 HOH A1204 SITE 1 AC3 9 HIS A 57 GLN A 192 GLY A 193 SER A 195 SITE 2 AC3 9 ANH A 481 HOH A1084 HOH A1127 HOH A1246 SITE 3 AC3 9 HOH A1247 SITE 1 AC4 7 PRO A 124 THR A 125 SER A 127 GLY A 148 SITE 2 AC4 7 LYS A 204 GLN A 210 HOH A1179 SITE 1 AC5 6 GLU A 80 GLN A 81 PHE A 82 HOH A1096 SITE 2 AC5 6 HOH A1120 HOH A1290 CRYST1 54.274 57.183 66.885 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 0.018425 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017488 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014951 0.00000