HEADER HYDROLASE 27-SEP-00 1FXW TITLE CRYSTAL STRUCTURE OF THE RECOMBINANT ALPHA1/ALPHA2 CATALYTIC TITLE 2 HETERODIMER OF BOVINE BRAIN PLATELET-ACTIVATING FACTOR TITLE 3 ACETYLHYDROLASE IB. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE IB GAMMA COMPND 3 SUBUNIT; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: ALPHA1; COMPND 6 EC: 3.1.1.47; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE IB BETA SUBUNIT; COMPND 10 CHAIN: F; COMPND 11 SYNONYM: ALPHA2; COMPND 12 EC: 3.1.1.47; COMPND 13 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: BRAIN; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_VECTOR: MODIFIED PET VECTOR; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 11 ORGANISM_COMMON: CATTLE; SOURCE 12 ORGANISM_TAXID: 9913; SOURCE 13 ORGAN: BRAIN; SOURCE 14 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 16 EXPRESSION_SYSTEM_VECTOR: MODIFIED PET VECTOR KEYWDS ALPHA BETA HYDROLASE FOLD, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Z.DEREWENDA,J.LI REVDAT 4 07-FEB-24 1FXW 1 REMARK REVDAT 3 24-FEB-09 1FXW 1 VERSN REVDAT 2 01-APR-03 1FXW 1 JRNL REVDAT 1 12-DEC-01 1FXW 0 JRNL AUTH P.J.SHEFFIELD,T.W.MCMULLEN,J.LI,Y.S.HO,S.M.GARRARD, JRNL AUTH 2 U.DEREWENDA,Z.S.DEREWENDA JRNL TITL PREPARATION AND CRYSTAL STRUCTURE OF THE RECOMBINANT JRNL TITL 2 ALPHA(1)/ALPHA(2) CATALYTIC HETERODIMER OF BOVINE BRAIN JRNL TITL 3 PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE IB. JRNL REF PROTEIN ENG. V. 14 513 2001 JRNL REFN ISSN 0269-2139 JRNL PMID 11522926 JRNL DOI 10.1093/PROTEIN/14.7.513 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Y.S.HO,L.SWENSON,U.DEREWENDA,L.SERRE,Y.WEI,Z.DAUTER, REMARK 1 AUTH 2 M.HATTORI,T.ADACHI,J.AOKI,H.ARAI,K.INOUE,Z.S.DEREWENDA REMARK 1 TITL BRAIN ACETYLHYDROLASE THAT INACTIVATES PLATELET-ACTIVATING REMARK 1 TITL 2 FACTOR IS A G-PROTEIN-LIKE TRIMER REMARK 1 REF NATURE V. 385 89 1997 REMARK 1 REFN ISSN 0028-0836 REMARK 1 DOI 10.1038/385089A0 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 22999 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.212 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 220 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3348 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 121 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 30.98 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESIDUES A53 TO A63 WERE NOT REMARK 3 INCLUDED IN THE FINAL REFINEMENT REMARK 4 REMARK 4 1FXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000011996. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JUL-98 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0084 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : CUSTOM-MADE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25752 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.070 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 3.830 REMARK 200 R MERGE (I) : 0.08300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 7.6300 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.07 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 20.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.47 REMARK 200 R MERGE FOR SHELL (I) : 0.37100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.38 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 17% PEG-MME 2000, 100 MM NA ACETATE, REMARK 280 PH 6.4, 10 MM CACL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 X+1/2,-Y+1/2,-Z 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 22.25950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 58.10350 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 40.42400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 58.10350 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.25950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 40.42400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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 ASSEMBLY IS ALPHA1/ALPHA1 HOMODIMER, REMARK 300 ALPHA1/ALPHA2 HETERODIMER AND ALPHA2/ALPHA2 REMARK 300 HOMODIMER 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: 2380 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, F 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 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 MET A 1 REMARK 465 SER A 2 REMARK 465 GLY A 3 REMARK 465 ASP A 4 REMARK 465 LEU A 216 REMARK 465 THR A 217 REMARK 465 GLN A 218 REMARK 465 ASP A 219 REMARK 465 GLN A 220 REMARK 465 GLY A 221 REMARK 465 GLN A 222 REMARK 465 GLY A 223 REMARK 465 GLY A 224 REMARK 465 ALA A 225 REMARK 465 PRO A 226 REMARK 465 LEU A 227 REMARK 465 PRO A 228 REMARK 465 GLU A 229 REMARK 465 PRO A 230 REMARK 465 SER A 231 REMARK 465 PRO A 232 REMARK 465 MET F 1 REMARK 465 SER F 2 REMARK 465 GLN F 3 REMARK 465 GLY F 4 REMARK 465 ASP F 5 REMARK 465 GLU F 218 REMARK 465 GLU F 219 REMARK 465 THR F 220 REMARK 465 PRO F 221 REMARK 465 GLU F 222 REMARK 465 GLU F 223 REMARK 465 LYS F 224 REMARK 465 GLN F 225 REMARK 465 THR F 226 REMARK 465 THR F 227 REMARK 465 ILE F 228 REMARK 465 ALA F 229 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 HIS A 53 REMARK 475 GLN A 54 REMARK 475 CYS A 55 REMARK 475 GLU A 56 REMARK 475 ILE A 57 REMARK 475 TRP A 58 REMARK 475 ARG A 59 REMARK 475 GLU A 60 REMARK 475 LEU A 61 REMARK 475 PHE A 62 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 10 CG CD CE NZ REMARK 480 GLN A 15 CG CD OE1 NE2 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 LYS A 35 33.25 -80.65 REMARK 500 ASP A 36 -5.61 -154.29 REMARK 500 HIS A 53 -3.32 162.06 REMARK 500 GLU A 56 -102.86 60.36 REMARK 500 ILE A 57 -156.10 -175.78 REMARK 500 LEU A 61 -0.29 -170.93 REMARK 500 PHE A 62 -39.15 -142.66 REMARK 500 TRP A 100 88.95 -153.25 REMARK 500 LEU A 194 -60.19 -146.23 REMARK 500 ASP F 47 -157.88 -101.08 REMARK 500 PHE F 71 42.09 -106.86 REMARK 500 ASN F 87 43.63 -106.25 REMARK 500 GLU F 108 -14.75 83.08 REMARK 500 LEU F 167 165.19 58.35 REMARK 500 ASP F 174 67.61 -113.57 REMARK 500 LEU F 195 -61.10 -146.19 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 CA A 238 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1WAB RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE ALPHA1 SUBUNIT DBREF 1FXW A 1 232 UNP Q29460 PA1B3_BOVIN 1 232 DBREF 1FXW F 1 229 UNP P68401 PA1B2_BOVIN 1 229 SEQRES 1 A 232 MET SER GLY ASP GLU ASN PRO ALA SER LYS PRO THR PRO SEQRES 2 A 232 VAL GLN ASP VAL GLN GLY ASP GLY ARG TRP MET SER LEU SEQRES 3 A 232 HIS HIS ARG PHE VAL ALA ASP SER LYS ASP LYS GLU PRO SEQRES 4 A 232 GLU VAL VAL PHE ILE GLY ASP SER LEU VAL GLN LEU MET SEQRES 5 A 232 HIS GLN CYS GLU ILE TRP ARG GLU LEU PHE SER PRO LEU SEQRES 6 A 232 HIS ALA LEU ASN PHE GLY ILE GLY GLY ASP SER THR GLN SEQRES 7 A 232 HIS VAL LEU TRP ARG LEU GLU ASN GLY GLU LEU GLU HIS SEQRES 8 A 232 ILE ARG PRO LYS ILE VAL VAL VAL TRP VAL GLY THR ASN SEQRES 9 A 232 ASN HIS GLY HIS THR ALA GLU GLN VAL THR GLY GLY ILE SEQRES 10 A 232 LYS ALA ILE VAL GLN LEU VAL ASN GLU ARG GLN PRO GLN SEQRES 11 A 232 ALA ARG VAL VAL VAL LEU GLY LEU LEU PRO ARG GLY GLN SEQRES 12 A 232 HIS PRO ASN PRO LEU ARG GLU LYS ASN ARG ARG VAL ASN SEQRES 13 A 232 GLU LEU VAL ARG ALA ALA LEU ALA GLY HIS PRO ARG ALA SEQRES 14 A 232 HIS PHE LEU ASP ALA ASP PRO GLY PHE VAL HIS SER ASP SEQRES 15 A 232 GLY THR ILE SER HIS HIS ASP MET TYR ASP TYR LEU HIS SEQRES 16 A 232 LEU SER ARG LEU GLY TYR THR PRO VAL CYS ARG ALA LEU SEQRES 17 A 232 HIS SER LEU LEU LEU ARG LEU LEU THR GLN ASP GLN GLY SEQRES 18 A 232 GLN GLY GLY ALA PRO LEU PRO GLU PRO SER PRO SEQRES 1 F 229 MET SER GLN GLY ASP SER ASN PRO ALA ALA ILE PRO HIS SEQRES 2 F 229 ALA ALA GLU ASP ILE GLN GLY ASP ASP ARG TRP MET SER SEQRES 3 F 229 GLN HIS ASN ARG PHE VAL LEU ASP CYS LYS ASP LYS GLU SEQRES 4 F 229 PRO ASP VAL LEU PHE VAL GLY ASP SER MET VAL GLN LEU SEQRES 5 F 229 MET GLN GLN TYR GLU ILE TRP ARG GLU LEU PHE SER PRO SEQRES 6 F 229 LEU HIS ALA LEU ASN PHE GLY ILE GLY GLY ASP THR THR SEQRES 7 F 229 ARG HIS VAL LEU TRP ARG LEU LYS ASN GLY GLU LEU GLU SEQRES 8 F 229 ASN ILE LYS PRO LYS VAL ILE VAL VAL TRP VAL GLY THR SEQRES 9 F 229 ASN ASN HIS GLU ASN THR ALA GLU GLU VAL ALA GLY GLY SEQRES 10 F 229 ILE GLU ALA ILE VAL GLN LEU ILE ASN THR ARG GLN PRO SEQRES 11 F 229 GLN ALA LYS ILE ILE VAL LEU GLY LEU LEU PRO ARG GLY SEQRES 12 F 229 GLU LYS PRO ASN PRO LEU ARG GLN LYS ASN ALA LYS VAL SEQRES 13 F 229 ASN GLN LEU LEU LYS VAL SER LEU PRO LYS LEU ALA ASN SEQRES 14 F 229 VAL GLN LEU LEU ASP THR ASP GLY GLY PHE VAL HIS SER SEQRES 15 F 229 ASP GLY ALA ILE SER CYS HIS ASP MET PHE ASP PHE LEU SEQRES 16 F 229 HIS LEU THR GLY GLY GLY TYR ALA LYS ILE CYS LYS PRO SEQRES 17 F 229 LEU HIS GLU LEU ILE MET GLN LEU LEU GLU GLU THR PRO SEQRES 18 F 229 GLU GLU LYS GLN THR THR ILE ALA HET CA A 238 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *121(H2 O) HELIX 1 1 ASN A 6 LYS A 10 5 5 HELIX 2 2 GLY A 21 LYS A 35 1 15 HELIX 3 3 ASP A 46 LEU A 51 1 6 HELIX 4 4 PHE A 62 LEU A 65 5 4 HELIX 5 5 SER A 76 ASN A 86 1 11 HELIX 6 6 THR A 109 GLN A 128 1 20 HELIX 7 7 ASN A 146 ALA A 164 1 19 HELIX 8 8 SER A 197 LEU A 215 1 19 HELIX 9 9 ASN F 7 ILE F 11 5 5 HELIX 10 10 ASP F 22 LYS F 38 1 17 HELIX 11 11 ASP F 47 LEU F 52 1 6 HELIX 12 12 MET F 53 GLN F 55 5 3 HELIX 13 13 TYR F 56 PHE F 63 1 8 HELIX 14 14 SER F 64 LEU F 66 5 3 HELIX 15 15 THR F 77 ASN F 87 1 11 HELIX 16 16 THR F 110 GLN F 129 1 20 HELIX 17 17 ASN F 147 LEU F 164 1 18 HELIX 18 18 THR F 198 LEU F 217 1 20 SHEET 1 A 5 ALA A 67 GLY A 71 0 SHEET 2 A 5 VAL A 41 GLY A 45 1 O VAL A 41 N LEU A 68 SHEET 3 A 5 ILE A 96 TRP A 100 1 O ILE A 96 N VAL A 42 SHEET 4 A 5 ARG A 132 LEU A 136 1 O ARG A 132 N VAL A 97 SHEET 5 A 5 ALA A 169 LEU A 172 1 N HIS A 170 O VAL A 133 SHEET 1 B 5 ALA F 68 GLY F 72 0 SHEET 2 B 5 VAL F 42 GLY F 46 1 O VAL F 42 N LEU F 69 SHEET 3 B 5 VAL F 97 TRP F 101 1 O VAL F 97 N LEU F 43 SHEET 4 B 5 LYS F 133 LEU F 137 1 O LYS F 133 N ILE F 98 SHEET 5 B 5 VAL F 170 LEU F 173 1 O GLN F 171 N VAL F 136 SITE 1 AC1 3 SER A 47 GLY A 74 ASN A 104 CRYST1 44.519 80.848 116.207 90.00 90.00 90.00 P 21 21 21 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 0.022462 -0.000001 -0.000001 0.00000 SCALE2 0.000000 0.012369 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008605 0.00000