HEADER HYDROLASE 10-APR-03 1OZY TITLE CRYSTAL STRUCTURE OF PHOSPHOLIPASE A2 (MIPLA3) FROM MICROPECHIS TITLE 2 IKAHEKA COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MIPLA3; COMPND 5 EC: 3.1.1.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROPECHIS IKAHEKA; SOURCE 3 ORGANISM_TAXID: 66188 KEYWDS PHOSPHOLIPASE A2, MICROPECHIS IKAHEKA, PANCREATIC LOOP, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR S.M.LOK,K.SWAMINATHAN REVDAT 5 25-OCT-23 1OZY 1 REMARK REVDAT 4 13-JUL-11 1OZY 1 VERSN REVDAT 3 24-FEB-09 1OZY 1 VERSN REVDAT 2 19-APR-05 1OZY 1 JRNL REVDAT 1 28-SEP-04 1OZY 0 JRNL AUTH S.M.LOK,R.GAO,M.ROUAULT,G.LAMBEAU,P.GOPALAKRISHNAKONE, JRNL AUTH 2 K.SWAMINATHAN JRNL TITL STRUCTURE AND FUNCTION COMPARISON OF MICROPECHIS IKAHEKA JRNL TITL 2 SNAKE VENOM PHOSPHOLIPASE A2 ISOENZYMES JRNL REF FEBS J. V. 272 1211 2005 JRNL REFN ISSN 1742-464X JRNL PMID 15720395 JRNL DOI 10.1111/J.1742-4658.2005.04547.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.GAO,R.M.KINI,G.D.LI,R.H.LUO,Z.E.SELVANAYAGAM, REMARK 1 AUTH 2 P.GOPALAKRISHNAKONE REMARK 1 TITL PURIFICATION AND PROPERTIES OF THREE NEW PHOSPHOLIPASE A2 REMARK 1 TITL 2 ISOENZYMES FROM MICROPECHIS IKAHEKA VENOM REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1545 30 2001 REMARK 1 REFN ISSN 0006-3002 REMARK 1 PMID 11342029 REMARK 1 DOI 10.1016/S0167-4838(00)00258-2 REMARK 2 REMARK 2 RESOLUTION. 2.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 155653.550 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.4 REMARK 3 NUMBER OF REFLECTIONS : 9497 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 SET) : 0.228 REMARK 3 FREE R VALUE : 0.283 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.800 REMARK 3 FREE R VALUE TEST SET COUNT : 862 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.79 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 48.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 481 REMARK 3 BIN R VALUE (WORKING SET) : 0.3277 REMARK 3 BIN FREE R VALUE : 0.3144 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.78 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 41 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.005 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1880 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 91 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 51.95 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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 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) : 0.47 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.80 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.825 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.44 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.960 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.820 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.530 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.260 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.150 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TWINNING OPERATOR= H,-K,-L TWINNING REMARK 3 FRACTION= 0.474 REMARK 4 REMARK 4 1OZY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 16-APR-03. REMARK 100 THE DEPOSITION ID IS D_1000018854. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.99 REMARK 200 MONOCHROMATOR : DIAMOND REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO 1.96 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK 1.96 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 11335 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : -3.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.2 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30700 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MR REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB CODE: 1UNE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 67.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, PH 6.5, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 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+1/4 REMARK 290 4555 Y,-X,Z+3/4 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 74.13600 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 37.06800 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 111.20400 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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: PQS 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 KCAL/MOL 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 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 53.52200 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 -37.06800 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 OD1 ASP A 42 O HOH A 288 2.09 REMARK 500 O LEU B 82 NH1 ARG B 100 2.15 REMARK 500 OH TYR A 28 O SER A 34 2.15 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 CYS A 29 CA - CB - SG ANGL. DEV. = 9.8 DEGREES REMARK 500 SER A 34 N - CA - C ANGL. DEV. = -20.9 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 LEU A 19 -16.03 -49.82 REMARK 500 THR A 36 98.32 91.26 REMARK 500 PRO A 37 170.14 -52.45 REMARK 500 VAL A 38 12.13 -140.25 REMARK 500 LYS A 56 0.97 -69.59 REMARK 500 HIS A 58 131.56 -31.18 REMARK 500 ARG A 62 -68.64 -123.00 REMARK 500 ASP A 79 71.34 -4.28 REMARK 500 ASN A 85 27.67 -144.85 REMARK 500 GLN A 87 -61.68 -100.59 REMARK 500 CYS A 91 -74.64 -91.28 REMARK 500 ALA A 107 -80.10 -38.50 REMARK 500 ALA A 109 132.87 -29.00 REMARK 500 GLU A 113 -51.39 -19.20 REMARK 500 GLU A 114 -21.59 -32.54 REMARK 500 ASN A 116 -71.64 -24.42 REMARK 500 ILE A 118 -93.03 -76.79 REMARK 500 ASP A 119 -67.77 159.72 REMARK 500 ILE B 13 69.02 -155.45 REMARK 500 ASN B 24 -28.09 98.49 REMARK 500 ASP B 39 -165.62 -118.59 REMARK 500 HIS B 58 103.46 -38.70 REMARK 500 PRO B 59 82.28 -63.51 REMARK 500 GLU B 60 13.16 160.34 REMARK 500 ASP B 79 -125.70 70.23 REMARK 500 GLN B 87 83.72 -174.01 REMARK 500 LYS B 88 -49.82 158.96 REMARK 500 LYS B 108 -87.59 -81.10 REMARK 500 ALA B 109 121.86 -21.67 REMARK 500 ASN B 115 53.60 -113.34 REMARK 500 ARG B 117 58.05 83.06 REMARK 500 ALA B 120 104.58 148.37 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 122 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 123 DBREF 1OZY A 1 121 PDB 1OZY 1OZY 1 121 DBREF 1OZY B 1 121 PDB 1OZY 1OZY 1 121 SEQRES 1 A 121 ASN LEU LEU GLN PHE ARG LYS MET ILE LYS CYS THR ILE SEQRES 2 A 121 PRO GLY ILE GLU PRO LEU LEU ALA PHE SER ASN TYR GLY SEQRES 3 A 121 CYS TYR CYS GLY LYS GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 A 121 GLU LEU ASP ARG CYS CYS GLN THR HIS ASP TYR CYS TYR SEQRES 5 A 121 ASP LYS ALA LYS ILE HIS PRO GLU CYS ARG GLY ILE LEU SEQRES 6 A 121 SER GLY PRO SER PHE ASN THR TYR ALA TYR ASP CYS THR SEQRES 7 A 121 ASP GLY LYS LEU THR CYS ASN ASP GLN LYS ASP LYS CYS SEQRES 8 A 121 LYS LEU PHE ILE CYS ASN CYS ASP ARG THR ALA ALA MET SEQRES 9 A 121 CYS PHE ALA LYS ALA PRO TYR LYS GLU GLU ASN ASN ARG SEQRES 10 A 121 ILE ASP ALA SER SEQRES 1 B 121 ASN LEU LEU GLN PHE ARG LYS MET ILE LYS CYS THR ILE SEQRES 2 B 121 PRO GLY ILE GLU PRO LEU LEU ALA PHE SER ASN TYR GLY SEQRES 3 B 121 CYS TYR CYS GLY LYS GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 B 121 GLU LEU ASP ARG CYS CYS GLN THR HIS ASP TYR CYS TYR SEQRES 5 B 121 ASP LYS ALA LYS ILE HIS PRO GLU CYS ARG GLY ILE LEU SEQRES 6 B 121 SER GLY PRO SER PHE ASN THR TYR ALA TYR ASP CYS THR SEQRES 7 B 121 ASP GLY LYS LEU THR CYS ASN ASP GLN LYS ASP LYS CYS SEQRES 8 B 121 LYS LEU PHE ILE CYS ASN CYS ASP ARG THR ALA ALA MET SEQRES 9 B 121 CYS PHE ALA LYS ALA PRO TYR LYS GLU GLU ASN ASN ARG SEQRES 10 B 121 ILE ASP ALA SER HET SO4 A 122 5 HET SO4 A 123 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *91(H2 O) HELIX 1 1 ASN A 1 THR A 12 1 12 HELIX 2 2 GLU A 17 PHE A 22 1 6 HELIX 3 3 ASP A 42 LYS A 56 1 15 HELIX 4 4 CYS A 91 ALA A 109 1 19 HELIX 5 5 LYS A 112 ASN A 116 5 5 HELIX 6 6 ASN B 1 ILE B 13 1 13 HELIX 7 7 GLU B 17 PHE B 22 1 6 HELIX 8 8 ASP B 39 HIS B 58 1 20 HELIX 9 9 ASP B 89 ALA B 109 1 21 HELIX 10 10 LYS B 112 ASN B 116 5 5 SHEET 1 A 2 TYR B 75 THR B 78 0 SHEET 2 A 2 LYS B 81 CYS B 84 -1 O THR B 83 N ASP B 76 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.04 SSBOND 2 CYS A 29 CYS A 45 1555 1555 2.06 SSBOND 3 CYS A 44 CYS A 105 1555 1555 2.05 SSBOND 4 CYS A 51 CYS A 98 1555 1555 2.04 SSBOND 5 CYS A 61 CYS A 91 1555 1555 2.04 SSBOND 6 CYS A 84 CYS A 96 1555 1555 2.03 SSBOND 7 CYS B 11 CYS B 77 1555 1555 2.03 SSBOND 8 CYS B 29 CYS B 45 1555 1555 2.04 SSBOND 9 CYS B 44 CYS B 105 1555 1555 2.04 SSBOND 10 CYS B 51 CYS B 98 1555 1555 2.03 SSBOND 11 CYS B 61 CYS B 91 1555 1555 2.04 SSBOND 12 CYS B 84 CYS B 96 1555 1555 2.03 SITE 1 AC1 4 ARG A 6 LYS A 7 LYS A 10 LYS B 92 SITE 1 AC2 4 GLN A 4 THR A 72 HOH A 218 GLN B 4 CRYST1 53.522 53.522 148.272 90.00 90.00 90.00 P 41 8 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 0.018684 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018684 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006744 0.00000