HEADER BLOOD CLOTTING, HYDROLASE 11-AUG-05 2ANY TITLE EXPRESSION, CRYSTALLIZATION AND THE THREE-DIMENSIONAL STRUCTURE OF THE TITLE 2 CATALYTIC DOMAIN OF HUMAN PLASMA KALLIKREIN: IMPLICATIONS FOR TITLE 3 STRUCTURE-BASED DESIGN OF PROTEASE INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: PLASMA KALLIKREIN, LIGHT CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PROTEASE DOMAIN, ENZYMATICALLY DEGLYCOSYLATED; COMPND 5 SYNONYM: KININOGENIN; FLETCHER FACTOR; COMPND 6 EC: 3.4.21.34; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: KLKB1, KLK3; SOURCE 6 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 7 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: SF9; SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS KEYWDS MUTAGENICALLY DEGLYCOSYALTED HUMAN PLASMA KALLIKREIN PROTEASE DOMAIN; KEYWDS 2 TRYPSIN-LIKE SERINE PROTEASE, BLOOD CLOTTING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.TANG,C.L.YU,S.R.WILLIAMS,E.SPRINGMAN,D.JEFFERY,P.A.SPRENGELER, AUTHOR 2 A.ESTEVEZ,J.SAMPANG,W.SHRADER,J.R.SPENCER,W.B.YOUNG,M.E.MCGRATH, AUTHOR 3 B.A.KATZ REVDAT 8 30-OCT-24 2ANY 1 REMARK REVDAT 7 23-AUG-23 2ANY 1 REMARK REVDAT 6 20-OCT-21 2ANY 1 SEQADV REVDAT 5 04-AUG-21 2ANY 1 COMPND REMARK HET FORMUL REVDAT 5 2 1 ATOM REVDAT 4 11-OCT-17 2ANY 1 REMARK REVDAT 3 24-FEB-09 2ANY 1 VERSN REVDAT 2 28-MAR-06 2ANY 1 JRNL REVDAT 1 11-OCT-05 2ANY 0 JRNL AUTH J.TANG,C.L.YU,S.R.WILLIAMS,E.SPRINGMAN,D.JEFFERY, JRNL AUTH 2 P.A.SPRENGELER,A.ESTEVEZ,J.SAMPANG,W.SHRADER,J.SPENCER, JRNL AUTH 3 W.YOUNG,M.MCGRATH,B.A.KATZ JRNL TITL EXPRESSION, CRYSTALLIZATION, AND THREE-DIMENSIONAL STRUCTURE JRNL TITL 2 OF THE CATALYTIC DOMAIN OF HUMAN PLASMA KALLIKREIN. JRNL REF J.BIOL.CHEM. V. 280 41077 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 16199530 JRNL DOI 10.1074/JBC.M506766200 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 49687 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 SET) : 0.188 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 5058 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1886 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 414 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.60 REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ANY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034112. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-SEP-04 REMARK 200 TEMPERATURE (KELVIN) : 138.0 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SYNCHROTRON ALS BEAMLINE 5.0.1 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 49687 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.46 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: XTALVIEW REMARK 200 STARTING MODEL: ENZYMATICALLY DEGLYCOSYLATED PLASMA KALLIKREIN REMARK 200 PROTEASE DOMAIN, PDB ENTRY 2ANW REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.5 MICROLITER OF THE PROTEIN SOLUTION REMARK 280 AND 0.5 MICROLITER OF THE RESERVOIR SOLUTION (25% PEG 6000, 0.10 REMARK 280 M MES PH 6.5) , VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 290.0K 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 27.59350 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.92300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.67950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.92300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.59350 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.67950 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 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 ASP A 246 REMARK 465 GLY A 247 REMARK 465 LYS A 248 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HZ3 LYS A 157 H2 HOH A 442 1.23 REMARK 500 HH12 ARG A 221A H2 HOH A 323 1.29 REMARK 500 O ASP A 128 H1 HOH A 610 1.57 REMARK 500 O VAL A 96 H2 HOH A 628 1.59 REMARK 500 O ILE A 76 H2 HOH A 289 1.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS A 91 NE2 HIS A 91 CD2 -0.069 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ARG A 39 NE - CZ - NH1 ANGL. DEV. = 5.2 DEGREES REMARK 500 ARG A 171 NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG A 171 NE - CZ - NH2 ANGL. DEV. = 3.3 DEGREES REMARK 500 TYR A 174 CB - CG - CD2 ANGL. DEV. = -4.5 DEGREES REMARK 500 ARG A 179 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 LEU A 37 -144.82 -110.08 REMARK 500 THR A 134 -74.56 -103.15 REMARK 500 TYR A 174 -6.73 75.29 REMARK 500 SER A 214 -60.76 -126.58 REMARK 500 GLN A 224 72.81 -150.34 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 PO4 A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PO4 A 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 1 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ANW RELATED DB: PDB REMARK 900 ENZYMATICALLY DEGLYCOSYLATED HUMAN PLASMA KALLIKREIN PROTEASE REMARK 900 DOMAIN, WHEREAS THIS ENTRY IS MUTAGENICALLY DEGLYCOSYLATED REMARK 900 COUNTERPART DBREF 2ANY A 16 248 UNP P03952 KLKB1_HUMAN 391 631 SEQADV 2ANY GLU A 21 UNP P03952 ASN 396 ENGINEERED MUTATION SEQADV 2ANY GLU A 72 UNP P03952 ASN 453 ENGINEERED MUTATION SEQADV 2ANY GLU A 113 UNP P03952 ASN 494 ENGINEERED MUTATION SEQADV 2ANY SER A 122 UNP P03952 CYS 503 ENGINEERED MUTATION SEQRES 1 A 241 ILE VAL GLY GLY THR GLU SER SER TRP GLY GLU TRP PRO SEQRES 2 A 241 TRP GLN VAL SER LEU GLN VAL LYS LEU THR ALA GLN ARG SEQRES 3 A 241 HIS LEU CYS GLY GLY SER LEU ILE GLY HIS GLN TRP VAL SEQRES 4 A 241 LEU THR ALA ALA HIS CYS PHE ASP GLY LEU PRO LEU GLN SEQRES 5 A 241 ASP VAL TRP ARG ILE TYR SER GLY ILE LEU GLU LEU SER SEQRES 6 A 241 ASP ILE THR LYS ASP THR PRO PHE SER GLN ILE LYS GLU SEQRES 7 A 241 ILE ILE ILE HIS GLN ASN TYR LYS VAL SER GLU GLY ASN SEQRES 8 A 241 HIS ASP ILE ALA LEU ILE LYS LEU GLN ALA PRO LEU GLU SEQRES 9 A 241 TYR THR GLU PHE GLN LYS PRO ILE SER LEU PRO SER LYS SEQRES 10 A 241 GLY ASP THR SER THR ILE TYR THR ASN CYS TRP VAL THR SEQRES 11 A 241 GLY TRP GLY PHE SER LYS GLU LYS GLY GLU ILE GLN ASN SEQRES 12 A 241 ILE LEU GLN LYS VAL ASN ILE PRO LEU VAL THR ASN GLU SEQRES 13 A 241 GLU CYS GLN LYS ARG TYR GLN ASP TYR LYS ILE THR GLN SEQRES 14 A 241 ARG MET VAL CYS ALA GLY TYR LYS GLU GLY GLY LYS ASP SEQRES 15 A 241 ALA CYS LYS GLY ASP SER GLY GLY PRO LEU VAL CYS LYS SEQRES 16 A 241 HIS ASN GLY MET TRP ARG LEU VAL GLY ILE THR SER TRP SEQRES 17 A 241 GLY GLU GLY CYS ALA ARG ARG GLU GLN PRO GLY VAL TYR SEQRES 18 A 241 THR LYS VAL ALA GLU TYR MET ASP TRP ILE LEU GLU LYS SEQRES 19 A 241 THR GLN SER SER ASP GLY LYS HET PO4 A 2 5 HET PO4 A 3 5 HET PO4 A 4 5 HET BEN A 1 18 HETNAM PO4 PHOSPHATE ION HETNAM BEN BENZAMIDINE FORMUL 2 PO4 3(O4 P 3-) FORMUL 5 BEN C7 H8 N2 FORMUL 6 HOH *414(H2 O) HELIX 1 1 ALA A 55 ASP A 60 5 6 HELIX 2 2 GLU A 72 ILE A 76 5 5 HELIX 3 3 THR A 164 LYS A 170 1 7 HELIX 4 4 TYR A 234 GLN A 243 1 10 SHEET 1 A 8 THR A 20 GLU A 21 0 SHEET 2 A 8 GLN A 156 VAL A 163 -1 O LYS A 157 N THR A 20 SHEET 3 A 8 MET A 180 ALA A 183 -1 O CYS A 182 N VAL A 163 SHEET 4 A 8 GLY A 226 LYS A 230 -1 O TYR A 228 N VAL A 181 SHEET 5 A 8 MET A 208B TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 6 A 8 PRO A 198 HIS A 203 -1 N LEU A 199 O GLY A 211 SHEET 7 A 8 ASN A 135 GLY A 140 -1 N TRP A 137 O VAL A 200 SHEET 8 A 8 GLN A 156 VAL A 163 -1 O ILE A 160 N CYS A 136 SHEET 1 B 6 TRP A 65D TYR A 67 0 SHEET 2 B 6 GLN A 30 LYS A 36 -1 N GLN A 34 O ARG A 65E SHEET 3 B 6 GLN A 38B GLY A 48 -1 O CYS A 42 N LEU A 33 SHEET 4 B 6 TRP A 51 THR A 54 -1 O LEU A 53 N SER A 45 SHEET 5 B 6 ALA A 104 LEU A 108 -1 O ALA A 104 N THR A 54 SHEET 6 B 6 ILE A 85 ILE A 90 -1 N LYS A 86 O LYS A 107 SSBOND 1 CYS A 42 CYS A 58 1555 1555 2.04 SSBOND 2 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 3 CYS A 168 CYS A 182 1555 1555 2.06 SSBOND 4 CYS A 191 CYS A 220 1555 1555 2.08 SITE 1 AC1 8 PO4 A 3 THR A 77 LYS A 78 LYS A 202 SITE 2 AC1 8 HOH A 304 HOH A 549 HOH A 632 HOH A 640 SITE 1 AC2 9 PO4 A 2 ASP A 173A LYS A 202 HIS A 203 SITE 2 AC2 9 ASN A 204 GLY A 205 HOH A 362 HOH A 549 SITE 3 AC2 9 HOH A 640 SITE 1 AC3 5 HIS A 91 GLN A 92 ARG A 179 TRP A 237 SITE 2 AC3 5 HOH A 635 SITE 1 AC4 8 ASP A 189 ALA A 190 SER A 195 SER A 214 SITE 2 AC4 8 TRP A 215 GLY A 219 GLY A 226 HOH A 576 CRYST1 55.187 57.359 79.846 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 0.018120 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017434 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012524 0.00000