HEADER HYDROLASE 12-JUN-08 3DFJ TITLE CRYSTAL STRUCTURE OF HUMAN PROSTASIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROSTASIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SERINE PROTEASE DOMAIN OF PROSTASIN HEAVY CHAIN: RESIDUES COMPND 5 45-289; COMPND 6 SYNONYM: SERINE PROTEASE 8; COMPND 7 EC: 3.4.21.-; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_TAXID: 9606; SOURCE 4 GENE: PRSS8; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A(+) KEYWDS PROSTASIN, SERINE PROTEASE, GLYCOPROTEIN, HYDROLASE, MEMBRANE, KEYWDS 2 SECRETED, TRANSMEMBRANE, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR H.P.SU,K.W.RICKERT,P.L.DARKE,S.K.MUNSHI REVDAT 7 09-OCT-24 3DFJ 1 REMARK REVDAT 6 20-OCT-21 3DFJ 1 REMARK SEQADV REVDAT 5 25-OCT-17 3DFJ 1 REMARK REVDAT 4 09-JUN-09 3DFJ 1 REVDAT REVDAT 3 24-FEB-09 3DFJ 1 VERSN REVDAT 2 23-DEC-08 3DFJ 1 JRNL REVDAT 1 14-OCT-08 3DFJ 0 JRNL AUTH K.W.RICKERT,P.KELLEY,N.J.BYRNE,R.E.DIEHL,D.L.HALL, JRNL AUTH 2 A.M.MONTALVO,J.C.REID,J.M.SHIPMAN,B.W.THOMAS,S.K.MUNSHI, JRNL AUTH 3 P.L.DARKE,H.P.SU JRNL TITL STRUCTURE OF HUMAN PROSTASIN, A TARGET FOR THE REGULATION OF JRNL TITL 2 HYPERTENSION. JRNL REF J.BIOL.CHEM. V. 283 34864 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18922802 JRNL DOI 10.1074/JBC.M805262200 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 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) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 46.57 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 3 NUMBER OF REFLECTIONS : 44493 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) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2253 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) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2908 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.43 REMARK 3 BIN R VALUE (WORKING SET) : 0.4230 REMARK 3 BIN FREE R VALUE SET COUNT : 162 REMARK 3 BIN FREE R VALUE : 0.5480 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1881 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 408 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.36 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.93000 REMARK 3 B22 (A**2) : 0.30000 REMARK 3 B33 (A**2) : -1.23000 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): 0.094 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.075 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.046 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.607 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.959 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.950 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2024 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2782 ; 1.036 ; 1.950 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 265 ; 5.159 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 83 ;34.879 ;24.458 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 307 ;11.736 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;10.375 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 300 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1588 ; 0.003 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 992 ; 0.180 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1392 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 315 ; 0.079 ; 0.200 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): 89 ; 0.140 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 53 ; 0.099 ; 0.200 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): 1322 ; 0.498 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2089 ; 0.790 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 820 ; 1.603 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 693 ; 1.675 ; 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): 2142 ; 1.463 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 410 ; 1.385 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1957 ; 1.041 ; 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 REMARK 4 REMARK 4 3DFJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JUN-08. REMARK 100 THE DEPOSITION ID IS D_1000047975. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-APR-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.8 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 MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44561 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 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 (%) : 99.3 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.40 REMARK 200 R MERGE FOR SHELL (I) : 0.33000 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 5.2.0019 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM BIS-TRIS PH 5.8, 21-26% PEG REMARK 280 3350, VAPOR DIFFUSION, 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 26.49400 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.48000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.12050 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.48000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.49400 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.12050 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 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 ARG A 293 REMARK 465 GLY A 294 REMARK 465 SER A 295 REMARK 465 GLY A 296 REMARK 465 SER A 297 REMARK 465 GLY A 298 REMARK 465 SER A 299 REMARK 465 LEU A 300 REMARK 465 GLU A 301 REMARK 465 HIS A 302 REMARK 465 HIS A 303 REMARK 465 HIS A 304 REMARK 465 HIS A 305 REMARK 465 HIS A 306 REMARK 465 HIS A 307 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 127 -100.06 -111.01 REMARK 500 SER A 179 10.94 57.24 REMARK 500 LYS A 186 62.18 64.67 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 CL A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3DFL RELATED DB: PDB DBREF 3DFJ A 45 289 UNP Q16651 PRSS8_HUMAN 45 289 SEQADV 3DFJ SER A 154 UNP Q16651 CYS 154 ENGINEERED MUTATION SEQADV 3DFJ ALA A 203 UNP Q16651 CYS 203 ENGINEERED MUTATION SEQADV 3DFJ LEU A 290 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ VAL A 291 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ PRO A 292 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ ARG A 293 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ GLY A 294 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ SER A 295 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ GLY A 296 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ SER A 297 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ GLY A 298 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ SER A 299 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ LEU A 300 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ GLU A 301 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 302 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 303 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 304 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 305 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 306 UNP Q16651 EXPRESSION TAG SEQADV 3DFJ HIS A 307 UNP Q16651 EXPRESSION TAG SEQRES 1 A 263 ILE THR GLY GLY SER SER ALA VAL ALA GLY GLN TRP PRO SEQRES 2 A 263 TRP GLN VAL SER ILE THR TYR GLU GLY VAL HIS VAL CYS SEQRES 3 A 263 GLY GLY SER LEU VAL SER GLU GLN TRP VAL LEU SER ALA SEQRES 4 A 263 ALA HIS CYS PHE PRO SER GLU HIS HIS LYS GLU ALA TYR SEQRES 5 A 263 GLU VAL LYS LEU GLY ALA HIS GLN LEU ASP SER TYR SER SEQRES 6 A 263 GLU ASP ALA LYS VAL SER THR LEU LYS ASP ILE ILE PRO SEQRES 7 A 263 HIS PRO SER TYR LEU GLN GLU GLY SER GLN GLY ASP ILE SEQRES 8 A 263 ALA LEU LEU GLN LEU SER ARG PRO ILE THR PHE SER ARG SEQRES 9 A 263 TYR ILE ARG PRO ILE SER LEU PRO ALA ALA ASN ALA SER SEQRES 10 A 263 PHE PRO ASN GLY LEU HIS CYS THR VAL THR GLY TRP GLY SEQRES 11 A 263 HIS VAL ALA PRO SER VAL SER LEU LEU THR PRO LYS PRO SEQRES 12 A 263 LEU GLN GLN LEU GLU VAL PRO LEU ILE SER ARG GLU THR SEQRES 13 A 263 CYS ASN ALA LEU TYR ASN ILE ASP ALA LYS PRO GLU GLU SEQRES 14 A 263 PRO HIS PHE VAL GLN GLU ASP MET VAL CYS ALA GLY TYR SEQRES 15 A 263 VAL GLU GLY GLY LYS ASP ALA CYS GLN GLY ASP SER GLY SEQRES 16 A 263 GLY PRO LEU SER CYS PRO VAL GLU GLY LEU TRP TYR LEU SEQRES 17 A 263 THR GLY ILE VAL SER TRP GLY ASP ALA CYS GLY ALA ARG SEQRES 18 A 263 ASN ARG PRO GLY VAL TYR THR LEU ALA SER SER TYR ALA SEQRES 19 A 263 SER TRP ILE GLN SER LYS VAL THR GLU LEU GLN LEU VAL SEQRES 20 A 263 PRO ARG GLY SER GLY SER GLY SER LEU GLU HIS HIS HIS SEQRES 21 A 263 HIS HIS HIS HET CL A 1 1 HET CL A 2 1 HETNAM CL CHLORIDE ION FORMUL 2 CL 2(CL 1-) FORMUL 4 HOH *408(H2 O) HELIX 1 1 ALA A 83 PHE A 87 5 5 HELIX 2 2 HIS A 92 GLU A 94 5 3 HELIX 3 3 SER A 197 ASN A 206 1 10 HELIX 4 4 TYR A 277 LEU A 288 1 12 SHEET 1 A 8 SER A 49 SER A 50 0 SHEET 2 A 8 GLN A 189 ILE A 196 -1 O GLN A 190 N SER A 49 SHEET 3 A 8 MET A 221 ALA A 224 -1 O CYS A 223 N ILE A 196 SHEET 4 A 8 GLY A 269 LEU A 273 -1 O TYR A 271 N VAL A 222 SHEET 5 A 8 LEU A 249 TRP A 258 -1 N SER A 257 O VAL A 270 SHEET 6 A 8 PRO A 241 VAL A 246 -1 N CYS A 244 O TYR A 251 SHEET 7 A 8 HIS A 167 GLY A 172 -1 N THR A 169 O SER A 243 SHEET 8 A 8 GLN A 189 ILE A 196 -1 O VAL A 193 N CYS A 168 SHEET 1 B 7 LYS A 113 SER A 115 0 SHEET 2 B 7 TYR A 96 LEU A 100 -1 N LEU A 100 O LYS A 113 SHEET 3 B 7 GLN A 59 TYR A 64 -1 N SER A 61 O LYS A 99 SHEET 4 B 7 VAL A 67 LEU A 74 -1 O VAL A 69 N ILE A 62 SHEET 5 B 7 TRP A 79 SER A 82 -1 O LEU A 81 N SER A 73 SHEET 6 B 7 ALA A 136 LEU A 140 -1 O LEU A 138 N VAL A 80 SHEET 7 B 7 LEU A 117 PRO A 122 -1 N ILE A 121 O LEU A 137 SSBOND 1 CYS A 70 CYS A 86 1555 1555 2.04 SSBOND 2 CYS A 168 CYS A 244 1555 1555 2.04 SSBOND 3 CYS A 201 CYS A 223 1555 1555 2.03 SSBOND 4 CYS A 234 CYS A 262 1555 1555 2.04 CISPEP 1 THR A 184 PRO A 185 0 5.54 SITE 1 AC1 3 ASN A 202 HOH A 399 HOH A 464 SITE 1 AC2 4 SER A 76 TRP A 79 HOH A 502 HOH A 571 CRYST1 52.988 56.241 82.960 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 0.018872 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017781 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012054 0.00000