HEADER HYDROLASE 22-FEB-09 3GCI TITLE CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN A NEW ISOFORM OF TITLE 2 PHOSPHOLIPASE A2 WITH C-TERMINAL AMYLOID BETA HEPTAPEPTIDE AT 2 A TITLE 3 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2 ISOFORM 3; 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: HEPTAPEPTIDE FROM AMYLOID BETA A4 PROTEIN; COMPND 8 CHAIN: P; COMPND 9 FRAGMENT: UNP RESIDUES 707-713; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NAJA SAGITTIFERA; SOURCE 3 ORGANISM_COMMON: ANDAMAN COBRA; SOURCE 4 ORGANISM_TAXID: 195058; SOURCE 5 MOL_ID: 2; SOURCE 6 SYNTHETIC: YES; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 OTHER_DETAILS: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. THIS SOURCE 11 SEQUENCE OCCURS NATURALLY IN HUMANS. KEYWDS PHOSPHOLIPASE A2, HEPTAPEPTIDE, AMYLOID BETA, HYDROLASE, LIPID KEYWDS 2 DEGRADATION, METAL-BINDING, SECRETED EXPDTA X-RAY DIFFRACTION AUTHOR Z.MIRZA,G.VIKRAM,N.SINGH,M.SINHA,A.BHUSHAN,S.SHARMA,A.SRINIVASAN, AUTHOR 2 P.KAUR,T.P.SINGH REVDAT 3 01-NOV-23 3GCI 1 REMARK LINK REVDAT 2 12-FEB-14 3GCI 1 REMARK VERSN REVDAT 1 10-MAR-09 3GCI 0 JRNL AUTH Z.MIRZA,G.VIKRAM,N.SINGH,M.SINHA,A.BHUSHAN,S.SHARMA, JRNL AUTH 2 A.SRINIVASAN,P.KAUR,T.P.SINGH JRNL TITL CRYSTAL STRUCTURE OF THE COMPLEX FORMED BETWEEN A NEW JRNL TITL 2 ISOFORM OF PHOSPHOLIPASE A2 WITH C-TERMINAL AMYLOID BETA JRNL TITL 3 HEPTAPEPTIDE AT 2 A RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.04 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 2.04 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.51 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 7065 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) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 340 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) : 2.04 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.09 REMARK 3 REFLECTION IN BIN (WORKING SET) : 493 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.66 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE SET COUNT : 28 REMARK 3 BIN FREE R VALUE : 0.2420 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 949 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 93 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.42 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.43000 REMARK 3 B22 (A**2) : -0.43000 REMARK 3 B33 (A**2) : 0.87000 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): 0.232 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.178 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.128 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.618 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.949 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.926 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 972 ; 0.012 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1319 ; 1.172 ; 1.935 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 123 ; 4.884 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 48 ;33.770 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 145 ;15.611 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;13.796 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 138 ; 0.103 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 761 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 429 ; 0.203 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 649 ; 0.299 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 65 ; 0.175 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.013 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 28 ; 0.274 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 17 ; 0.300 ; 0.200 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): 636 ; 0.732 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 985 ; 1.408 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 387 ; 1.878 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 334 ; 2.944 ; 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): 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 3GCI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-FEB-09. REMARK 100 THE DEPOSITION ID IS D_1000051690. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 23-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 300 REMARK 200 PH : 6.0 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) : 1.5418 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, AUTOMAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7596 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.040 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 (%) : 97.6 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.11500 REMARK 200 FOR THE DATA SET : 7.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.04 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30500 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1MF4 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 10MM SODIUM PHOSPHATE, PH 6.0, 1MM REMARK 280 CACL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K 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 32.90850 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 16.45425 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 49.36275 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1030 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, P 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 ASP A 24 75.53 -160.21 REMARK 500 LYS A 31 -76.14 -46.37 REMARK 500 VAL P 4 -88.33 -102.20 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 121 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 87.3 REMARK 620 3 LYS A 31 O 121.9 62.8 REMARK 620 4 GLY A 32 O 72.9 104.1 68.7 REMARK 620 5 ASP A 49 OD2 56.0 140.9 145.5 79.2 REMARK 620 6 ASP A 49 OD1 70.8 118.9 167.0 120.9 41.8 REMARK 620 7 ALA P 7 O 71.5 62.1 122.0 142.2 91.1 56.9 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 121 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MF4 RELATED DB: PDB REMARK 900 THE SAME PROTEIN IN COMPLEX WITH ANOTHER PEPTIDE AT 1.9A REMARK 999 REMARK 999 SEQUENCE REMARK 999 IN CHAIN A, RESIDUE NUMBER 16 IS SIMPLY SKIPPED. REMARK 999 THE AUTHORS BELIEVE THAT THE SEQRES IS CORRECT AND THESE REMARK 999 MUTATIONS ARE PRESENT IN THE DEPOSITED SEQUENCE. DBREF 3GCI A 1 120 UNP P60045 PA23_NAJSG 8 126 DBREF 3GCI P 1 7 UNP P05067 A4_HUMAN 707 713 SEQADV 3GCI ALA A 20 UNP P60045 GLN 26 SEE REMARK 999 SEQADV 3GCI THR A 47 UNP P60045 VAL 53 SEE REMARK 999 SEQADV 3GCI LYS A 64 UNP P60045 TYR 70 SEE REMARK 999 SEQRES 1 A 119 ASN LEU TYR GLN PHE LYS ASN MET ILE GLN CYS THR VAL SEQRES 2 A 119 PRO SER ARG SER TRP ALA ASP PHE ALA ASP TYR GLY CYS SEQRES 3 A 119 TYR CYS GLY LYS GLY GLY SER GLY THR PRO VAL ASP ASP SEQRES 4 A 119 LEU ASP ARG CYS CYS GLN THR HIS ASP ASN CYS TYR ASN SEQRES 5 A 119 GLU ALA GLU ASN ILE SER GLY CYS ARG PRO LYS PHE LYS SEQRES 6 A 119 THR TYR SER TYR GLU CYS THR GLN GLY THR LEU THR CYS SEQRES 7 A 119 LYS GLY ASP ASN ASN ALA CYS ALA ALA SER VAL CYS ASP SEQRES 8 A 119 CYS ASP ARG LEU ALA ALA ILE CYS PHE ALA GLY ALA PRO SEQRES 9 A 119 TYR ASN ASP ALA ASN TYR ASN ILE ASP LEU LYS ALA ARG SEQRES 10 A 119 CYS ASN SEQRES 1 P 7 VAL GLY GLY VAL VAL ILE ALA HET CA A 121 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *93(H2 O) HELIX 1 1 ASN A 1 VAL A 13 1 13 HELIX 2 2 SER A 18 PHE A 22 5 5 HELIX 3 3 ASP A 39 GLU A 56 1 18 HELIX 4 4 ASN A 84 ALA A 104 1 21 HELIX 5 5 ASN A 107 TYR A 111 5 5 HELIX 6 6 ASP A 114 CYS A 119 1 6 SHEET 1 A 2 ASP A 24 TYR A 25 0 SHEET 2 A 2 CYS A 29 GLY A 30 -1 O CYS A 29 N TYR A 25 SHEET 1 B 2 TYR A 70 THR A 73 0 SHEET 2 B 2 THR A 76 CYS A 79 -1 O THR A 78 N GLU A 71 SSBOND 1 CYS A 11 CYS A 72 1555 1555 1.97 SSBOND 2 CYS A 27 CYS A 119 1555 1555 2.01 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.05 SSBOND 4 CYS A 44 CYS A 100 1555 1555 2.02 SSBOND 5 CYS A 51 CYS A 93 1555 1555 2.03 SSBOND 6 CYS A 61 CYS A 86 1555 1555 2.03 SSBOND 7 CYS A 79 CYS A 91 1555 1555 2.02 LINK O TYR A 28 CA CA A 121 1555 1555 2.98 LINK O GLY A 30 CA CA A 121 1555 1555 2.50 LINK O LYS A 31 CA CA A 121 1555 1555 2.83 LINK O GLY A 32 CA CA A 121 1555 1555 2.41 LINK OD2 ASP A 49 CA CA A 121 1555 1555 2.96 LINK OD1 ASP A 49 CA CA A 121 1555 1555 3.17 LINK CA CA A 121 O ALA P 7 1555 1555 3.03 SITE 1 AC1 6 TYR A 28 GLY A 30 LYS A 31 GLY A 32 SITE 2 AC1 6 ASP A 49 ALA P 7 CRYST1 42.679 42.679 65.817 90.00 90.00 90.00 P 41 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 0.023431 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023431 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015194 0.00000