HEADER CYSTEINE PROTEASE 08-MAY-98 1CV8 TITLE STAPHOPAIN, CYSTEINE PROTEINASE FROM STAPHYLOCOCCUS AUREUS V8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: STAPHOPAIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: THIOL PROTEINASE FROM STAPHYLOCOCCUS AUREUS V-8; COMPND 5 EC: 3.4.22.- SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 STRAIN: V-8; SOURCE 5 CELLULAR_LOCATION: EXTRACELLULAR KEYWDS CYSTEINE PROTEASE, THIOL PROTEASE, PAPAIN FAMILY EXPDTA X-RAY DIFFRACTION AUTHOR B.HOFMANN,D.SCHOMBURG,H.-J.HECHT REVDAT 4 30-OCT-24 1CV8 1 REMARK REVDAT 3 05-JUN-24 1CV8 1 REMARK LINK REVDAT 2 24-FEB-09 1CV8 1 VERSN REVDAT 1 14-OCT-98 1CV8 0 JRNL AUTH B.HOFMANN,D.SCHOMBURG,H.J.HECHT JRNL TITL CRYSTAL STRUCTURE OF A THIOL PROTEINASE FROM STAPHYLOCOCCUS JRNL TITL 2 AUREUS V-8 IN THE E-64 INHIBITOR COMPLEX JRNL REF ACTA CRYSTALLOGR.,SECT.A V. 49 102 1993 JRNL REFN ISSN 0108-7673 REMARK 2 REMARK 2 RESOLUTION. 1.75 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 82.5 REMARK 3 NUMBER OF REFLECTIONS : 18172 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : AT LAST STEPS OF REFINEMENT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.183 REMARK 3 R VALUE (WORKING SET) : 0.200 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 981 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1387 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 29 REMARK 3 SOLVENT ATOMS : 123 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.85 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.66 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 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): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.021 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.033 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.041 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.024 ; 0.030 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.180 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.179 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.255 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.118 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 0.000 REMARK 3 PLANAR (DEGREES) : 4.500 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 15.600; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 34.400; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.900 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.700 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.600 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.900 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CV8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172554. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-94 REMARK 200 TEMPERATURE (KELVIN) : 283 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : MPG/DESY, HAMBURG REMARK 200 BEAMLINE : BW6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19765 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.720 REMARK 200 RESOLUTION RANGE LOW (A) : 46.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.3 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.06200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 20.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.72 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 63.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.50 REMARK 200 R MERGE FOR SHELL (I) : 0.07000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 10.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 5 M AMMONIUM ACETATE, 2MM DTT, 5MM E REMARK 280 -64, 50 MM MES/TRIS BUFFER PH 6.0 5MM E-64 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 130.04200 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 65.02100 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 97.53150 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 32.51050 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 162.55250 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 130.04200 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 65.02100 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 32.51050 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 97.53150 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 162.55250 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: DIMERIC 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 350 BIOMT1 2 0.500000 0.866025 0.000000 -30.56950 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 52.94793 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -32.51050 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 TYR A 1 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 49 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 ARG A 49 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 PHE A 73 CB - CG - CD1 ANGL. DEV. = -4.3 DEGREES REMARK 500 ARG A 79 NE - CZ - NH1 ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG A 86 NE - CZ - NH2 ANGL. DEV. = 4.8 DEGREES REMARK 500 ASP A 94 CB - CG - OD1 ANGL. DEV. = 5.4 DEGREES REMARK 500 GLN A 166 O - C - N ANGL. DEV. = 9.9 DEGREES REMARK 500 TYR A 174 CD1 - CE1 - CZ ANGL. DEV. = -5.8 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 ASN A 85 46.51 -86.98 REMARK 500 ASN A 145 42.31 -100.14 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 GLY A 102 -10.23 REMARK 500 ARG A 113 11.32 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: NUL REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A 175 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE E64 A 176 DBREF 1CV8 A 1 174 UNP P81297 SSPP_STAAU 1 174 SEQRES 1 A 174 TYR ASN GLU GLN TYR VAL ASN LYS LEU GLU ASN PHE LYS SEQRES 2 A 174 ILE ARG GLU THR GLN GLY ASN ASN GLY TRP CYS ALA GLY SEQRES 3 A 174 TYR THR MET SER ALA LEU LEU ASN ALA THR TYR ASN THR SEQRES 4 A 174 ASN LYS TYR HIS ALA GLU ALA VAL MET ARG PHE LEU HIS SEQRES 5 A 174 PRO ASN LEU GLN GLY GLN GLN PHE GLN PHE THR GLY LEU SEQRES 6 A 174 THR PRO ARG GLU MET ILE TYR PHE GLY GLN THR GLN GLY SEQRES 7 A 174 ARG SER PRO GLN LEU LEU ASN ARG MET THR THR TYR ASN SEQRES 8 A 174 GLU VAL ASP ASN LEU THR LYS ASN ASN LYS GLY ILE ALA SEQRES 9 A 174 ILE LEU GLY SER ARG VAL GLU SER ARG ASN GLY MET HIS SEQRES 10 A 174 ALA GLY HIS ALA MET ALA VAL VAL GLY ASN ALA LYS LEU SEQRES 11 A 174 ASN ASN GLY GLN GLU VAL ILE ILE ILE TRP ASN PRO TRP SEQRES 12 A 174 ASP ASN GLY PHE MET THR GLN ASP ALA LYS ASN ASN VAL SEQRES 13 A 174 ILE PRO VAL SER ASN GLY ASP HIS TYR GLN TRP TYR SER SEQRES 14 A 174 SER ILE TYR GLY TYR HET ACT A 175 4 HET E64 A 176 25 HETNAM ACT ACETATE ION HETNAM E64 N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO- HETNAM 2 E64 BUTYL]-GUANIDINE FORMUL 2 ACT C2 H3 O2 1- FORMUL 3 E64 C15 H30 N5 O5 1+ FORMUL 4 HOH *123(H2 O) HELIX 1 1 CYS A 24 TYR A 37 1 14 HELIX 2 2 ALA A 44 LEU A 51 1 8 HELIX 3 3 GLY A 57 PHE A 62 1 6 HELIX 4 4 PRO A 67 GLN A 77 1 11 HELIX 5 5 TYR A 90 LYS A 98 1 9 SHEET 1 A 6 GLN A 82 LEU A 84 0 SHEET 2 A 6 TYR A 165 TYR A 172 -1 N TYR A 172 O GLN A 82 SHEET 3 A 6 ILE A 103 ARG A 109 -1 N SER A 108 O GLN A 166 SHEET 4 A 6 GLY A 119 LYS A 129 -1 N MET A 122 O ILE A 105 SHEET 5 A 6 GLU A 135 TRP A 140 -1 N TRP A 140 O ALA A 123 SHEET 6 A 6 MET A 148 ASP A 151 -1 N GLN A 150 O ILE A 137 SHEET 1 B 2 VAL A 156 PRO A 158 0 SHEET 2 B 2 HIS A 164 GLN A 166 -1 N TYR A 165 O ILE A 157 SHEET 1 C 2 GLU A 3 LYS A 8 0 SHEET 2 C 2 GLY A 126 LEU A 130 -1 N LYS A 129 O GLN A 4 LINK SG CYS A 24 C2 E64 A 176 1555 1555 1.89 SITE 1 NUL 3 CYS A 24 HIS A 120 ASN A 141 SITE 1 AC1 5 LYS A 13 ILE A 14 ARG A 15 ASN A 40 SITE 2 AC1 5 ASN A 145 SITE 1 AC2 16 GLN A 18 GLY A 22 TRP A 23 CYS A 24 SITE 2 AC2 16 HIS A 52 THR A 63 GLY A 64 LEU A 65 SITE 3 AC2 16 GLU A 69 GLY A 119 HIS A 120 HOH A 184 SITE 4 AC2 16 HOH A 233 HOH A 267 HOH A 274 HOH A 288 CRYST1 61.139 61.139 195.063 90.00 90.00 120.00 P 65 2 2 12 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 0.016356 0.009443 0.000000 0.00000 SCALE2 0.000000 0.018886 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005127 0.00000