HEADER HYDROLASE 09-FEB-06 2DE9 TITLE CRYSTAL STRUCTURE OF PORCINE PANCREATIC ELASTASE COMPLEXED WITH TRIS TITLE 2 AFTER SOAKING A TRIS-FREE SOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ELASTASE-1; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.36 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 TISSUE: PANCREAS KEYWDS SERINE PROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR T.KINOSHITA,T.TADA REVDAT 3 23-OCT-24 2DE9 1 REMARK REVDAT 2 24-FEB-09 2DE9 1 VERSN REVDAT 1 11-JUL-06 2DE9 0 JRNL AUTH T.KINOSHITA,A.YAMAGUCHI,T.TADA JRNL TITL TRIS(HYDROXYMETHYL)AMINOMETHANE INDUCES CONFORMATIONAL JRNL TITL 2 CHANGE AND CRYSTAL-PACKING CONTRACTION OF PORCINE PANCREATIC JRNL TITL 3 ELASTASE. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 62 623 2006 JRNL REFN ESSN 1744-3091 JRNL PMID 16820677 JRNL DOI 10.1107/S1744309106023001 REMARK 2 REMARK 2 RESOLUTION. 1.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 52552 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.211 REMARK 3 R VALUE (WORKING SET) : 0.211 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2628 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 52552 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 : 1822 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 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) : NULL 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 2DE9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000025314. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-DEC-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL41XU REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52552 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: CNX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.3M SODIUM CHLORIDE, 50MM TRIS , PH REMARK 280 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K 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 24.93850 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.16450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.92350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.16450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.93850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.92350 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 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 SER A 239 CA SER A 239 CB -0.176 REMARK 500 ASN A 240 N ASN A 240 CA 0.195 REMARK 500 ASN A 240 CA ASN A 240 CB -0.299 REMARK 500 ASN A 240 CA ASN A 240 C 0.271 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 LEU A 192 N - CA - C ANGL. DEV. = -16.6 DEGREES REMARK 500 SER A 239 CB - CA - C ANGL. DEV. = 15.9 DEGREES REMARK 500 SER A 239 O - C - N ANGL. DEV. = 10.2 DEGREES REMARK 500 ASN A 240 N - CA - CB ANGL. DEV. = 17.3 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 HIS A 60 -45.58 -134.57 REMARK 500 ASN A 106 -168.08 -160.59 REMARK 500 TYR A 163 -113.74 -105.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 SER A 239 11.32 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 SO4 A 241 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 242 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2DE8 RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH A UNIQUE CONFORMATION INDUCED BY TRIS DBREF 2DE9 A 1 240 UNP P00772 ELA1_PIG 27 266 SEQRES 1 A 240 VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO SEQRES 2 A 240 SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP SEQRES 3 A 240 ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP SEQRES 4 A 240 VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR SEQRES 5 A 240 PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN SEQRES 6 A 240 ASP GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL SEQRES 7 A 240 VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY SEQRES 8 A 240 TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR SEQRES 9 A 240 LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA SEQRES 10 A 240 GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR SEQRES 11 A 240 GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN SEQRES 12 A 240 THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA SEQRES 13 A 240 ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS SEQRES 14 A 240 ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER SEQRES 15 A 240 GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU SEQRES 16 A 240 VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE SEQRES 17 A 240 VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR SEQRES 18 A 240 VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN SEQRES 19 A 240 ASN VAL ILE ALA SER ASN HET SO4 A 241 5 HET SO4 A 242 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 2(O4 S 2-) FORMUL 4 HOH *292(H2 O) HELIX 1 1 ALA A 43 ASP A 48 5 6 HELIX 2 2 ASP A 87 GLY A 91 5 5 HELIX 3 3 ASP A 154 SER A 159 1 6 HELIX 4 4 TRP A 164 VAL A 168 5 5 HELIX 5 5 TYR A 229 ASN A 240 1 12 SHEET 1 A 8 THR A 5 GLU A 6 0 SHEET 2 A 8 GLN A 146 TYR A 149 -1 O GLN A 147 N THR A 5 SHEET 3 A 8 CYS A 127 GLY A 131 -1 N ILE A 129 O ALA A 148 SHEET 4 A 8 PRO A 191 VAL A 196 -1 O HIS A 193 N TYR A 128 SHEET 5 A 8 GLN A 199 PHE A 208 -1 O ALA A 201 N CYS A 194 SHEET 6 A 8 THR A 221 ARG A 225 -1 O THR A 224 N VAL A 205 SHEET 7 A 8 MET A 172 ALA A 175 -1 N VAL A 173 O PHE A 223 SHEET 8 A 8 THR A 152 VAL A 153 -1 N VAL A 153 O CYS A 174 SHEET 1 B 7 GLN A 15 ARG A 21 0 SHEET 2 B 7 TRP A 26 ARG A 36 -1 O CYS A 30 N LEU A 18 SHEET 3 B 7 TRP A 39 THR A 42 -1 O MET A 41 N THR A 33 SHEET 4 B 7 ALA A 95 LEU A 99 -1 O LEU A 97 N VAL A 40 SHEET 5 B 7 GLN A 70 VAL A 79 -1 N VAL A 78 O LEU A 96 SHEET 6 B 7 PHE A 53 VAL A 57 -1 N VAL A 55 O VAL A 72 SHEET 7 B 7 GLN A 15 ARG A 21 -1 N GLN A 19 O ARG A 54 SSBOND 1 CYS A 30 CYS A 46 1555 1555 2.03 SSBOND 2 CYS A 127 CYS A 194 1555 1555 2.03 SSBOND 3 CYS A 158 CYS A 174 1555 1555 2.03 SSBOND 4 CYS A 184 CYS A 214 1555 1555 2.03 SITE 1 AC1 9 HIS A 45 GLN A 185 GLY A 186 SER A 188 SITE 2 AC1 9 HOH A 395 HOH A 399 HOH A 413 HOH A 428 SITE 3 AC1 9 HOH A 531 SITE 1 AC2 9 GLY A 118 ARG A 136 ARG A 225 SER A 227 SITE 2 AC2 9 ALA A 228 HOH A 302 HOH A 320 HOH A 430 SITE 3 AC2 9 HOH A 515 CRYST1 49.877 57.847 74.329 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 0.020049 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017287 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013454 0.00000