HEADER DNA BINDING PROTEIN 15-JUN-01 1JE5 TITLE CRYSTAL STRUCTURE OF GP2.5, A SINGLE-STRANDED DNA BINDING PROTEIN TITLE 2 ENCODED BY BACTERIOPHAGE T7 COMPND MOL_ID: 1; COMPND 2 MOLECULE: HELIX-DESTABILIZING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: GP2.5, SINGLE-STRANDED DNA-BINDING PROTEIN, SSB PROTEIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 3 ORGANISM_TAXID: 10760; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PET19B KEYWDS OB-FOLD, BETA BARREL, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.HOLLIS,J.M.STATTEL,D.S.WALTHER,C.C.RICHARDSON,T.E.ELLENBERGER REVDAT 4 07-FEB-24 1JE5 1 REMARK LINK REVDAT 3 24-FEB-09 1JE5 1 VERSN REVDAT 2 01-APR-03 1JE5 1 JRNL REVDAT 1 22-AUG-01 1JE5 0 JRNL AUTH T.HOLLIS,J.M.STATTEL,D.S.WALTHER,C.C.RICHARDSON, JRNL AUTH 2 T.ELLENBERGER JRNL TITL STRUCTURE OF THE GENE 2.5 PROTEIN, A SINGLE-STRANDED DNA JRNL TITL 2 BINDING PROTEIN ENCODED BY BACTERIOPHAGE T7. JRNL REF PROC.NATL.ACAD.SCI.USA V. 98 9557 2001 JRNL REFN ISSN 0027-8424 JRNL PMID 11481454 JRNL DOI 10.1073/PNAS.171317698 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1198551.530 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 32343 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) : 0.221 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1638 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5021 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 REMARK 3 BIN FREE R VALUE : 0.2780 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.50 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 290 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2832 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 232 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 32.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.45000 REMARK 3 B22 (A**2) : -1.15000 REMARK 3 B33 (A**2) : -0.31000 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.13 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.15 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.800 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.140 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 50.96 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: NULL REMARK 4 REMARK 4 1JE5 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUN-01. REMARK 100 THE DEPOSITION ID IS D_1000013671. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-JAN-99; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : CHESS; NSLS REMARK 200 BEAMLINE : A1; X25 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; NULL REMARK 200 WAVELENGTH OR RANGE (A) : 0.95; 1.007 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32408 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: MLPHARE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, CALCIUM CHLORIDE, ETHYLENE REMARK 280 GLYCOL, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K 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 34.05000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.10000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.90000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.10000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 34.05000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.90000 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 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 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 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 GLU A 27 REMARK 465 GLU A 28 REMARK 465 ARG A 29 REMARK 465 ALA A 79 REMARK 465 VAL A 80 REMARK 465 ALA A 81 REMARK 465 ARG A 82 REMARK 465 GLY A 83 REMARK 465 LYS A 84 REMARK 465 LYS A 85 REMARK 465 PHE A 183 REMARK 465 GLY A 184 REMARK 465 GLY A 185 REMARK 465 GLY A 186 REMARK 465 GLU A 187 REMARK 465 ASP A 188 REMARK 465 GLY A 198 REMARK 465 TYR A 199 REMARK 465 VAL A 200 REMARK 465 ALA A 201 REMARK 465 SER A 202 REMARK 465 GLY A 203 REMARK 465 SER A 204 REMARK 465 ALA A 205 REMARK 465 LYS A 206 REMARK 465 MET B 1 REMARK 465 GLY B 25 REMARK 465 ASN B 26 REMARK 465 GLU B 27 REMARK 465 GLU B 28 REMARK 465 ARG B 29 REMARK 465 GLY B 30 REMARK 465 PHE B 31 REMARK 465 GLY B 32 REMARK 465 ASN B 33 REMARK 465 ALA B 79 REMARK 465 VAL B 80 REMARK 465 ALA B 81 REMARK 465 ARG B 82 REMARK 465 GLY B 83 REMARK 465 LYS B 84 REMARK 465 LYS B 85 REMARK 465 PRO B 86 REMARK 465 LEU B 87 REMARK 465 LYS B 88 REMARK 465 GLY B 203 REMARK 465 SER B 204 REMARK 465 ALA B 205 REMARK 465 LYS B 206 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 MET A 1 CG SD CE REMARK 470 GLU A 196 CG CD OE1 OE2 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 LYS B 109 CD - CE - NZ ANGL. DEV. = 17.4 DEGREES REMARK 500 LYS B 120 N - CA - C ANGL. DEV. = 16.9 DEGREES REMARK 500 SER B 202 N - CA - C ANGL. DEV. = 19.8 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 LYS A 3 -90.71 -84.07 REMARK 500 TYR A 24 43.64 -101.48 REMARK 500 ASN A 33 108.24 -38.51 REMARK 500 ASN A 76 77.21 -166.72 REMARK 500 SER A 167 -155.99 -158.67 REMARK 500 GLU A 193 46.62 -107.59 REMARK 500 GLU A 195 -106.04 52.94 REMARK 500 GLU A 196 -154.87 -98.78 REMARK 500 TYR B 16 34.83 71.19 REMARK 500 GLU B 72 -17.01 -146.20 REMARK 500 ASN B 76 71.51 160.60 REMARK 500 LYS B 118 -75.62 -96.17 REMARK 500 LYS B 120 -32.22 11.87 REMARK 500 SER B 167 -153.66 -158.52 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 B 502 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 189 OD1 REMARK 620 2 ASP B 189 O 66.8 REMARK 620 3 ASP B 192 OD2 166.2 126.2 REMARK 620 4 GLU B 193 OE2 86.3 82.3 99.5 REMARK 620 5 HOH B 590 O 91.3 90.9 84.2 173.1 REMARK 620 6 HOH B 612 O 83.1 148.7 84.6 87.5 98.6 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 502 DBREF 1JE5 A 1 206 UNP P03696 VHED_BPT7 1 206 DBREF 1JE5 B 1 206 UNP P03696 VHED_BPT7 1 206 SEQRES 1 A 206 MET ALA LYS LYS ILE PHE THR SER ALA LEU GLY THR ALA SEQRES 2 A 206 GLU PRO TYR ALA TYR ILE ALA LYS PRO ASP TYR GLY ASN SEQRES 3 A 206 GLU GLU ARG GLY PHE GLY ASN PRO ARG GLY VAL TYR LYS SEQRES 4 A 206 VAL ASP LEU THR ILE PRO ASN LYS ASP PRO ARG CYS GLN SEQRES 5 A 206 ARG MET VAL ASP GLU ILE VAL LYS CYS HIS GLU GLU ALA SEQRES 6 A 206 TYR ALA ALA ALA VAL GLU GLU TYR GLU ALA ASN PRO PRO SEQRES 7 A 206 ALA VAL ALA ARG GLY LYS LYS PRO LEU LYS PRO TYR GLU SEQRES 8 A 206 GLY ASP MET PRO PHE PHE ASP ASN GLY ASP GLY THR THR SEQRES 9 A 206 THR PHE LYS PHE LYS CYS TYR ALA SER PHE GLN ASP LYS SEQRES 10 A 206 LYS THR LYS GLU THR LYS HIS ILE ASN LEU VAL VAL VAL SEQRES 11 A 206 ASP SER LYS GLY LYS LYS MET GLU ASP VAL PRO ILE ILE SEQRES 12 A 206 GLY GLY GLY SER LYS LEU LYS VAL LYS TYR SER LEU VAL SEQRES 13 A 206 PRO TYR LYS TRP ASN THR ALA VAL GLY ALA SER VAL LYS SEQRES 14 A 206 LEU GLN LEU GLU SER VAL MET LEU VAL GLU LEU ALA THR SEQRES 15 A 206 PHE GLY GLY GLY GLU ASP ASP TRP ALA ASP GLU VAL GLU SEQRES 16 A 206 GLU ASN GLY TYR VAL ALA SER GLY SER ALA LYS SEQRES 1 B 206 MET ALA LYS LYS ILE PHE THR SER ALA LEU GLY THR ALA SEQRES 2 B 206 GLU PRO TYR ALA TYR ILE ALA LYS PRO ASP TYR GLY ASN SEQRES 3 B 206 GLU GLU ARG GLY PHE GLY ASN PRO ARG GLY VAL TYR LYS SEQRES 4 B 206 VAL ASP LEU THR ILE PRO ASN LYS ASP PRO ARG CYS GLN SEQRES 5 B 206 ARG MET VAL ASP GLU ILE VAL LYS CYS HIS GLU GLU ALA SEQRES 6 B 206 TYR ALA ALA ALA VAL GLU GLU TYR GLU ALA ASN PRO PRO SEQRES 7 B 206 ALA VAL ALA ARG GLY LYS LYS PRO LEU LYS PRO TYR GLU SEQRES 8 B 206 GLY ASP MET PRO PHE PHE ASP ASN GLY ASP GLY THR THR SEQRES 9 B 206 THR PHE LYS PHE LYS CYS TYR ALA SER PHE GLN ASP LYS SEQRES 10 B 206 LYS THR LYS GLU THR LYS HIS ILE ASN LEU VAL VAL VAL SEQRES 11 B 206 ASP SER LYS GLY LYS LYS MET GLU ASP VAL PRO ILE ILE SEQRES 12 B 206 GLY GLY GLY SER LYS LEU LYS VAL LYS TYR SER LEU VAL SEQRES 13 B 206 PRO TYR LYS TRP ASN THR ALA VAL GLY ALA SER VAL LYS SEQRES 14 B 206 LEU GLN LEU GLU SER VAL MET LEU VAL GLU LEU ALA THR SEQRES 15 B 206 PHE GLY GLY GLY GLU ASP ASP TRP ALA ASP GLU VAL GLU SEQRES 16 B 206 GLU ASN GLY TYR VAL ALA SER GLY SER ALA LYS HET CA B 502 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *232(H2 O) HELIX 1 1 ASP A 48 ALA A 75 1 28 HELIX 2 2 TRP A 190 VAL A 194 5 5 HELIX 3 3 ASP B 48 GLU B 74 1 27 HELIX 4 4 GLU B 187 VAL B 194 5 8 SHEET 1 A13 TYR A 18 ASP A 23 0 SHEET 2 A13 VAL A 37 PRO A 45 -1 O VAL A 37 N ASP A 23 SHEET 3 A13 GLY A 11 ALA A 13 -1 O THR A 12 N THR A 43 SHEET 4 A13 LYS A 148 TYR A 158 -1 O LEU A 149 N GLY A 11 SHEET 5 A13 PHE A 6 THR A 7 -1 N PHE A 6 O TYR A 153 SHEET 6 A13 LYS A 148 TYR A 158 -1 O TYR A 153 N PHE A 6 SHEET 7 A13 SER A 167 GLU A 179 -1 O SER A 167 N TYR A 158 SHEET 8 A13 VAL A 129 VAL A 130 1 O VAL A 130 N LEU A 177 SHEET 9 A13 SER A 167 GLU A 179 1 O VAL A 175 N VAL A 130 SHEET 10 A13 THR A 103 TYR A 111 1 O LYS A 107 N LEU A 170 SHEET 11 A13 PHE A 96 ASP A 98 -1 O PHE A 97 N THR A 105 SHEET 12 A13 THR A 103 TYR A 111 -1 N THR A 105 O PHE A 97 SHEET 13 A13 VAL A 37 PRO A 45 -1 N TYR A 38 O CYS A 110 SHEET 1 B 2 SER A 113 GLN A 115 0 SHEET 2 B 2 THR A 122 HIS A 124 -1 N LYS A 123 O PHE A 114 SHEET 1 C13 TYR B 18 ASP B 23 0 SHEET 2 C13 VAL B 37 PRO B 45 -1 O VAL B 37 N ASP B 23 SHEET 3 C13 GLY B 11 ALA B 13 -1 O THR B 12 N THR B 43 SHEET 4 C13 LYS B 148 TYR B 158 -1 O LEU B 149 N GLY B 11 SHEET 5 C13 PHE B 6 THR B 7 -1 N PHE B 6 O TYR B 153 SHEET 6 C13 LYS B 148 TYR B 158 -1 O TYR B 153 N PHE B 6 SHEET 7 C13 SER B 167 GLU B 179 -1 O SER B 167 N TYR B 158 SHEET 8 C13 VAL B 128 VAL B 130 1 O VAL B 128 N VAL B 175 SHEET 9 C13 SER B 167 GLU B 179 1 O GLU B 173 N VAL B 128 SHEET 10 C13 THR B 103 TYR B 111 1 O LYS B 107 N LEU B 170 SHEET 11 C13 PHE B 96 ASP B 98 -1 O PHE B 97 N THR B 105 SHEET 12 C13 THR B 103 TYR B 111 -1 N THR B 105 O PHE B 97 SHEET 13 C13 VAL B 37 PRO B 45 -1 N TYR B 38 O CYS B 110 SHEET 1 D 2 SER B 113 GLN B 115 0 SHEET 2 D 2 THR B 122 HIS B 124 -1 N LYS B 123 O PHE B 114 LINK OD1 ASP B 189 CA CA B 502 1555 1555 2.23 LINK O ASP B 189 CA CA B 502 1555 1555 2.32 LINK OD2 ASP B 192 CA CA B 502 1555 1555 2.76 LINK OE2 GLU B 193 CA CA B 502 1555 1555 2.43 LINK CA CA B 502 O HOH B 590 1555 1555 2.40 LINK CA CA B 502 O HOH B 612 1555 1555 2.10 SITE 1 AC1 5 ASP B 189 ASP B 192 GLU B 193 HOH B 590 SITE 2 AC1 5 HOH B 612 CRYST1 68.100 71.800 82.200 90.00 90.00 90.00 P 21 21 21 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 0.014684 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013928 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012165 0.00000