HEADER HYDROLASE 14-APR-09 3H1X TITLE SIMULTANEOUS INHIBITION OF ANTI-COAGULATION AND INFLAMMATION: CRYSTAL TITLE 2 STRUCTURE OF PHOSPHOLIPASE A2 COMPLEXED WITH INDOMETHACIN AT 1.4 A TITLE 3 RESOLUTION REVEALS THE PRESENCE OF THE NEW COMMON LIGAND BINDING SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 VRV-PL-VIIIA; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, DPLA2, P1; COMPND 5 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: DABOIA RUSSELLII RUSSELLII; SOURCE 3 ORGANISM_COMMON: INDIAN RUSSELL'S VIPER; SOURCE 4 ORGANISM_TAXID: 31159; SOURCE 5 STRAIN: VIPER RUSSELLS KEYWDS PLA2, ANTI-INFLAMMATORY, ANTI-COAGULANT, INDOMETHACIN, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR N.SINGH,R.PREM KUMAR,S.SHARMA,P.KAUR,T.P.SINGH REVDAT 3 01-NOV-23 3H1X 1 REMARK REVDAT 2 03-NOV-09 3H1X 1 JRNL REVDAT 1 09-JUN-09 3H1X 0 JRNL AUTH N.SINGH,R.P.KUMAR,S.KUMAR,S.SHARMA,R.MIR,P.KAUR, JRNL AUTH 2 A.SRINIVASAN,T.P.SINGH JRNL TITL SIMULTANEOUS INHIBITION OF ANTI-COAGULATION AND JRNL TITL 2 INFLAMMATION: CRYSTAL STRUCTURE OF PHOSPHOLIPASE A2 JRNL TITL 3 COMPLEXED WITH INDOMETHACIN AT 1.4 A RESOLUTION REVEALS THE JRNL TITL 4 PRESENCE OF THE NEW COMMON LIGAND-BINDING SITE JRNL REF J.MOL.RECOGNIT. V. 22 437 2009 JRNL REFN ISSN 0952-3499 JRNL PMID 19462410 JRNL DOI 10.1002/JMR.960 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 3 NUMBER OF REFLECTIONS : 24235 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) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.100 REMARK 3 FREE R VALUE TEST SET COUNT : 518 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1809 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2420 REMARK 3 BIN FREE R VALUE SET COUNT : 46 REMARK 3 BIN FREE R VALUE : 0.2750 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 944 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 40 REMARK 3 SOLVENT ATOMS : 242 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.89 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.36000 REMARK 3 B22 (A**2) : 0.36000 REMARK 3 B33 (A**2) : -0.73000 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): 0.091 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.070 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.064 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.112 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.955 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1071 ; 0.013 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 890 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1471 ; 2.273 ; 2.022 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2108 ; 1.014 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 141 ; 4.700 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 200 ;18.803 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 139 ; 0.107 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1165 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 216 ; 0.004 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 365 ; 0.406 ; 0.300 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 949 ; 0.249 ; 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): 194 ; 0.189 ; 0.500 REMARK 3 H-BOND (X...Y) OTHERS (A): 3 ; 0.028 ; 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): 17 ; 0.150 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): 44 ; 0.242 ; 0.300 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 21 ; 0.154 ; 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): 641 ; 1.114 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1052 ; 1.821 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 430 ; 2.066 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 419 ; 3.152 ; 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): 1071 ; 1.252 ; 2.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 244 ; 2.081 ; 2.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1045 ; 1.968 ; 2.000 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 : 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 3H1X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-APR-09. REMARK 100 THE DEPOSITION ID IS D_1000052588. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-OCT-06 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 7.0 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5414 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : MIRROR 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 : 24939 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 51.990 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.2 REMARK 200 DATA REDUNDANCY : 19.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04500 REMARK 200 FOR THE DATA SET : 19.5000 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) : 1.42 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) : 0.41800 REMARK 200 FOR SHELL : 2.900 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: PDB ENTRY 1FB2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.3M AMMONIUM SULPHATE, 30% PEG 4000 , REMARK 280 PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 24.00150 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 36.00225 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 12.00075 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 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 OE1 GLU A 4 O TYR A 73 2.16 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 ASN A 79 CB - CA - C ANGL. DEV. = 14.6 DEGREES REMARK 500 GLU A 129 N - CA - C 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 SER A 24 31.60 -140.51 REMARK 500 ASN A 79 -148.11 52.07 REMARK 500 GLU A 129 -85.01 -30.46 REMARK 500 LEU A 130 83.91 38.91 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 IMN A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 403 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1FB2 RELATED DB: PDB REMARK 900 NATIVE STRUCTURE DBREF 3H1X A 1 133 UNP P59071 PA28_DABRR 1 121 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 HET IMN A 301 25 HET SO4 A 401 5 HET SO4 A 402 5 HET SO4 A 403 5 HETNAM IMN INDOMETHACIN HETNAM SO4 SULFATE ION FORMUL 2 IMN C19 H16 CL N O4 FORMUL 3 SO4 3(O4 S 2-) FORMUL 6 HOH *242(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 2.04 SSBOND 2 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 3 CYS A 44 CYS A 105 1555 1555 2.05 SSBOND 4 CYS A 50 CYS A 133 1555 1555 2.04 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.03 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.06 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.05 CISPEP 1 ILE A 19 PRO A 20 0 9.67 SITE 1 AC1 10 HIS A 48 ASP A 49 TYR A 52 ASN A 54 SITE 2 AC1 10 PRO A 56 CYS A 61 LYS A 69 HOH A 158 SITE 3 AC1 10 HOH A 261 HOH A 284 SITE 1 AC2 7 SER A 1 LEU A 3 ARG A 72 HOH A 170 SITE 2 AC2 7 HOH A 187 HOH A 191 HOH A 340 SITE 1 AC3 8 SER A 90 ASN A 93 HOH A 168 HOH A 183 SITE 2 AC3 8 HOH A 190 HOH A 247 HOH A 307 HOH A 344 SITE 1 AC4 7 TYR A 113 SER A 114 LYS A 115 LYS A 131 SITE 2 AC4 7 HOH A 177 HOH A 182 HOH A 246 CRYST1 51.660 51.660 48.003 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 0.019357 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019357 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020832 0.00000