HEADER HYDROLASE/HYDROLASE INHIBITOR 22-MAR-04 1SQZ TITLE DESIGN OF SPECIFIC INHIBITORS OF PHOPHOLIPASE A2: CRYSTAL STRUCTURE OF TITLE 2 THE COMPLEX FORMED BETWEEN GROUP II PHOPHOLIPASE A2 AND A DESIGNED TITLE 3 PEPTIDE DEHYDRO-ILE-ALA-ARG-SER AT 1.2A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE; COMPND 5 EC: 3.1.1.4; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: SYNTHETIC PEPTIDE; COMPND 8 CHAIN: B; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DABOIA RUSSELLII RUSSELLII; SOURCE 3 ORGANISM_TAXID: 31159; SOURCE 4 STRAIN: RUSSELLII; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 OTHER_DETAILS: SOLID PHASE SYNTHESIS KEYWDS PHOSPHOLIPASE A2, DEHYDRO-IARS, TOXIN, HYDROLASE-HYDROLASE INHIBITOR KEYWDS 2 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.SINGH,R.PREM KUMAR,R.K.SOMVANSHI,S.BILGRAMI,A.S.ETHAYATHULLA, AUTHOR 2 S.SHARMA,S.DEY,T.P.SINGH REVDAT 3 13-JUL-11 1SQZ 1 VERSN REVDAT 2 24-FEB-09 1SQZ 1 VERSN REVDAT 1 13-APR-04 1SQZ 0 JRNL AUTH N.SINGH,R.PREM KUMAR,R.K.SOMVANSHI,S.BILGRAMI, JRNL AUTH 2 A.S.ETHAYATHULLA,S.SHARMA,S.DEY,T.P.SINGH JRNL TITL DESIGN OF SPECIFIC INHIBITORS OF PHOPHOLIPASE A2: CRYSTAL JRNL TITL 2 STRUCTURE OF THE COMPLEX FORMED BETWEEN GROUPII PHOPHOLIPASE JRNL TITL 3 A2 AND A DESIGNED PEPTIDE DEHYDRO-ILE-ALA-ARG-SER AT 1.2A JRNL TITL 4 RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 17.68 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 39501 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) : 0.209 REMARK 3 R VALUE (WORKING SET) : 0.209 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 824 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2912 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2780 REMARK 3 BIN FREE R VALUE SET COUNT : 57 REMARK 3 BIN FREE R VALUE : 0.2640 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 984 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 15 REMARK 3 SOLVENT ATOMS : 270 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.21000 REMARK 3 B22 (A**2) : 0.21000 REMARK 3 B33 (A**2) : -0.43000 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): 0.049 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.048 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.040 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.853 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.951 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1050 ; 0.011 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 887 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1421 ; 1.542 ; 2.001 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2093 ; 0.833 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 132 ; 2.917 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 201 ;16.249 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 141 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1126 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 216 ; 0.005 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 326 ; 0.409 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 964 ; 0.216 ; 0.300 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): 116 ; 0.163 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.039 ; 0.500 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): 28 ; 0.300 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 58 ; 0.323 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 13 ; 0.239 ; 0.500 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): 637 ; 0.779 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1026 ; 1.401 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 413 ; 1.660 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 395 ; 2.452 ; 4.500 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 : BABINET MODEL WITH 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 1SQZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAR-04. REMARK 100 THE RCSB ID CODE IS RCSB021936. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-03 REMARK 200 TEMPERATURE (KELVIN) : 203 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.803 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 40325 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 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 (%) : 99.5 REMARK 200 DATA REDUNDANCY : 19.400 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08200 REMARK 200 FOR THE DATA SET : 17.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.09000 REMARK 200 FOR SHELL : 14.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1FB2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M AMMONIUM SULPHATE,50% PEG, PH REMARK 280 7.8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 297K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+3/4 REMARK 290 4555 Y,-X,Z+1/4 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 23.91650 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 35.87475 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 11.95825 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 300 REMARK: THE BIOLOGICAL UNIT IS MONOMER 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -32.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 SER A 24 32.71 -143.62 REMARK 500 TRP A 31 95.40 67.85 REMARK 500 ARG B 4 -179.43 -68.48 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 478 DISTANCE = 5.16 ANGSTROMS REMARK 525 HOH A 483 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH A 491 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH A 515 DISTANCE = 6.28 ANGSTROMS REMARK 525 HOH A 518 DISTANCE = 5.11 ANGSTROMS REMARK 525 HOH A 520 DISTANCE = 7.72 ANGSTROMS REMARK 525 HOH A 526 DISTANCE = 6.97 ANGSTROMS REMARK 525 HOH A 529 DISTANCE = 7.67 ANGSTROMS REMARK 525 HOH A 532 DISTANCE = 6.94 ANGSTROMS REMARK 525 HOH A 543 DISTANCE = 5.44 ANGSTROMS REMARK 525 HOH A 547 DISTANCE = 5.49 ANGSTROMS REMARK 525 HOH A 550 DISTANCE = 6.21 ANGSTROMS REMARK 525 HOH A 552 DISTANCE = 6.33 ANGSTROMS REMARK 525 HOH A 559 DISTANCE = 5.07 ANGSTROMS REMARK 525 HOH A 561 DISTANCE = 6.32 ANGSTROMS 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 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN B OF SYNTHETIC PEPTIDE REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FB2 RELATED DB: PDB REMARK 900 STRUCTURE OF PHOSPHOLIPASE A2 FROM DABOIA RUSSELLI REMARK 900 PULCHELLA AT 1.95 DBREF 1SQZ A 1 121 UNP P59071 PA28_DABRR 1 121 DBREF 1SQZ B 1 5 PDB 1SQZ 1SQZ 1 5 SEQRES 1 A 121 SER LEU LEU GLU PHE GLY LYS MET ILE LEU GLU GLU THR SEQRES 2 A 121 GLY LYS LEU ALA ILE PRO SER TYR SER SER TYR GLY CYS SEQRES 3 A 121 TYR CYS GLY TRP GLY GLY LYS GLY THR PRO LYS ASP ALA SEQRES 4 A 121 THR ASP ARG CYS CYS PHE VAL HIS ASP CYS CYS TYR GLY SEQRES 5 A 121 ASN LEU PRO ASP CYS ASN PRO LYS SER ASP ARG TYR LYS SEQRES 6 A 121 TYR LYS ARG VAL ASN GLY ALA ILE VAL CYS GLU LYS GLY SEQRES 7 A 121 THR SER CYS GLU ASN ARG ILE CYS GLU CYS ASP LYS ALA SEQRES 8 A 121 ALA ALA ILE CYS PHE ARG GLN ASN LEU ASN THR TYR SER SEQRES 9 A 121 LYS LYS TYR MET LEU TYR PRO ASP PHE LEU CYS LYS GLY SEQRES 10 A 121 GLU LEU LYS CYS SEQRES 1 B 5 PHQ ILE ALA ARG SER HET PHQ B 1 10 HET SO4 A 301 5 HET SO4 A 302 5 HET SO4 A 303 5 HETNAM PHQ BENZYL CHLOROCARBONATE HETNAM SO4 SULFATE ION FORMUL 2 PHQ C8 H7 CL O2 FORMUL 3 SO4 3(O4 S 2-) FORMUL 6 HOH *270(H2 O) HELIX 1 1 SER A 1 GLY A 14 1 14 HELIX 2 2 LEU A 17 TYR A 22 1 6 HELIX 3 3 ASP A 39 ASN A 54 1 16 HELIX 4 4 THR A 89 ASN A 109 1 21 HELIX 5 5 LEU A 110 TYR A 113 5 4 HELIX 6 6 SER A 114 MET A 118 5 5 HELIX 7 7 PRO A 121 CYS A 126 5 5 SHEET 1 A 2 TYR A 75 VAL A 78 0 SHEET 2 A 2 ALA A 81 CYS A 84 -1 O VAL A 83 N LYS A 76 SSBOND 1 CYS A 27 CYS A 126 1555 1555 2.09 SSBOND 2 CYS A 29 CYS A 45 1555 1555 2.04 SSBOND 3 CYS A 44 CYS A 105 1555 1555 2.05 SSBOND 4 CYS A 50 CYS A 133 1555 1555 2.02 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.03 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.05 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.06 LINK C1 PHQ B 1 N ILE B 2 1555 1555 1.32 LINK O1 PHQ B 1 N ILE B 2 1555 1555 1.59 CISPEP 1 ILE A 19 PRO A 20 0 3.24 SITE 1 AC1 6 ARG A 43 HOH A 318 HOH A 360 HOH A 393 SITE 2 AC1 6 HOH A 449 PHQ B 1 SITE 1 AC2 6 SER A 114 LYS A 115 LYS A 131 HOH A 423 SITE 2 AC2 6 HOH A 512 HOH A 530 SITE 1 AC3 11 GLU A 4 ARG A 72 LYS A 74 HOH A 347 SITE 2 AC3 11 HOH A 352 HOH A 355 HOH A 366 HOH A 372 SITE 3 AC3 11 HOH A 397 HOH A 442 HOH A 448 SITE 1 AC4 12 LEU A 2 GLY A 30 TRP A 31 HIS A 48 SITE 2 AC4 12 ASP A 49 TYR A 52 LYS A 69 ASN A 111 SITE 3 AC4 12 THR A 112 SO4 A 301 HOH A 404 HOH A 571 CRYST1 52.549 52.549 47.833 90.00 90.00 90.00 P 43 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 0.019030 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019030 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020906 0.00000 MASTER 303 0 4 7 2 0 10 6 0 0 0 11 END