HEADER DNA BINDING PROTEIN 09-AUG-04 1U94 TITLE CRYSTAL STRUCTURE OF E. COLI RECA IN A COMPRESSED HELICAL FILAMENT TITLE 2 FORM 2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: RECA PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RECOMBINASE A; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: RECA WITH N-TERMINAL GSHM RESIDUES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: RECA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET-14B KEYWDS RECA, HOMOLOGOUS RECOMBINATION, ATPASE, DNA REPAIR, DNA BINDING KEYWDS 2 PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR X.XING,C.E.BELL REVDAT 3 23-AUG-23 1U94 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1U94 1 VERSN REVDAT 1 21-SEP-04 1U94 0 JRNL AUTH X.XING,C.E.BELL JRNL TITL CRYSTAL STRUCTURES OF ESCHERICHIA COLI RECA IN A COMPRESSED JRNL TITL 2 HELICAL FILAMENT. JRNL REF J.MOL.BIOL. V. 342 1471 2004 JRNL REFN ISSN 0022-2836 JRNL PMID 15364575 JRNL DOI 10.1016/J.JMB.2004.07.091 REMARK 2 REMARK 2 RESOLUTION. 1.90 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.65 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 35211 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) : 0.187 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 3496 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3582 REMARK 3 BIN R VALUE (WORKING SET) : 0.2650 REMARK 3 BIN FREE R VALUE : 0.2950 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 392 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.015 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2303 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 277 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.86000 REMARK 3 B22 (A**2) : -0.86000 REMARK 3 B33 (A**2) : 1.72000 REMARK 3 B12 (A**2) : 2.16000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.18 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.20 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.400 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.260 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 5.830 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.980 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS BULK SOLVENT MODEL USED REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 54.54 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.PARM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1U94 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1000023400. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUL-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SBC-2 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35211 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 34.650 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 11.90 REMARK 200 R MERGE (I) : 0.07900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 36.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.71300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.600 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 2REB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 550 MME, CALCIUM CHLORIDE, HEPES, REMARK 280 PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 24.49867 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.99733 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 36.74800 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 61.24667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 12.24933 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 A CONTINUOUS HELICAL FILAMENT REMARK 300 GENERATED BY THE 6SUB1 SYMMETRY OPERATORS 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: HEXAMERIC 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 BIOMT1 2 -0.500000 -0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 183.34451 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 24.49867 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -158.78100 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 91.67225 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 48.99733 REMARK 350 BIOMT1 4 -1.000000 0.000000 0.000000 -105.85400 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 183.34451 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 36.74800 REMARK 350 BIOMT1 5 0.500000 0.866025 0.000000 -105.85400 REMARK 350 BIOMT2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 5 0.000000 0.000000 1.000000 61.24667 REMARK 350 BIOMT1 6 0.500000 -0.866025 0.000000 52.92700 REMARK 350 BIOMT2 6 0.866025 0.500000 0.000000 91.67225 REMARK 350 BIOMT3 6 0.000000 0.000000 1.000000 12.24933 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 GLY A -3 REMARK 465 SER A -2 REMARK 465 HIS A -1 REMARK 465 MET A 0 REMARK 465 ALA A 1 REMARK 465 ILE A 2 REMARK 465 ASP A 3 REMARK 465 GLU A 4 REMARK 465 ASN A 5 REMARK 465 ILE A 159 REMARK 465 GLY A 160 REMARK 465 ASP A 161 REMARK 465 SER A 162 REMARK 465 HIS A 163 REMARK 465 MET A 164 REMARK 465 ILE A 195 REMARK 465 ARG A 196 REMARK 465 MET A 197 REMARK 465 LYS A 198 REMARK 465 ILE A 199 REMARK 465 GLY A 200 REMARK 465 VAL A 201 REMARK 465 MET A 202 REMARK 465 PHE A 203 REMARK 465 GLY A 204 REMARK 465 ASN A 205 REMARK 465 PRO A 206 REMARK 465 GLU A 207 REMARK 465 THR A 208 REMARK 465 ASN A 332 REMARK 465 SER A 333 REMARK 465 THR A 334 REMARK 465 PRO A 335 REMARK 465 ASP A 336 REMARK 465 PHE A 337 REMARK 465 SER A 338 REMARK 465 VAL A 339 REMARK 465 ASP A 340 REMARK 465 ASP A 341 REMARK 465 SER A 342 REMARK 465 GLU A 343 REMARK 465 GLY A 344 REMARK 465 VAL A 345 REMARK 465 ALA A 346 REMARK 465 GLU A 347 REMARK 465 THR A 348 REMARK 465 ASN A 349 REMARK 465 GLU A 350 REMARK 465 ASP A 351 REMARK 465 PHE A 352 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 GLU A 233 55.33 -114.83 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 701 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 36 OD1 REMARK 620 2 GLU A 285 OE1 121.8 REMARK 620 3 GLU A 285 OE2 81.1 53.3 REMARK 620 4 ALA A 287 O 163.6 73.1 115.1 REMARK 620 5 TRP A 290 O 92.0 116.7 87.8 86.0 REMARK 620 6 HOH A 437 O 77.3 144.0 158.2 86.4 90.3 REMARK 620 7 HOH A 452 O 88.1 67.3 97.2 92.4 174.9 84.8 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 702 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 136 O REMARK 620 2 HOH A 455 O 85.3 REMARK 620 3 HOH A 478 O 93.0 67.0 REMARK 620 4 HOH A 530 O 146.8 63.5 85.4 REMARK 620 5 HOH A 650 O 93.7 72.7 138.4 67.3 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 703 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 632 O REMARK 620 2 HOH A 634 O 118.9 REMARK 620 3 HOH A 635 O 88.1 144.5 REMARK 620 4 HOH A 636 O 85.6 112.3 91.0 REMARK 620 5 HOH A 640 O 51.7 77.5 136.9 73.1 REMARK 620 N 1 2 3 4 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 701 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 702 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 703 DBREF 1U94 A 1 352 UNP P0A7G6 RECA_ECOLI 1 352 SEQADV 1U94 GLY A -3 UNP P0A7G6 CLONING ARTIFACT SEQADV 1U94 SER A -2 UNP P0A7G6 CLONING ARTIFACT SEQADV 1U94 HIS A -1 UNP P0A7G6 CLONING ARTIFACT SEQADV 1U94 MET A 0 UNP P0A7G6 CLONING ARTIFACT SEQRES 1 A 356 GLY SER HIS MET ALA ILE ASP GLU ASN LYS GLN LYS ALA SEQRES 2 A 356 LEU ALA ALA ALA LEU GLY GLN ILE GLU LYS GLN PHE GLY SEQRES 3 A 356 LYS GLY SER ILE MET ARG LEU GLY GLU ASP ARG SER MET SEQRES 4 A 356 ASP VAL GLU THR ILE SER THR GLY SER LEU SER LEU ASP SEQRES 5 A 356 ILE ALA LEU GLY ALA GLY GLY LEU PRO MET GLY ARG ILE SEQRES 6 A 356 VAL GLU ILE TYR GLY PRO GLU SER SER GLY LYS THR THR SEQRES 7 A 356 LEU THR LEU GLN VAL ILE ALA ALA ALA GLN ARG GLU GLY SEQRES 8 A 356 LYS THR CYS ALA PHE ILE ASP ALA GLU HIS ALA LEU ASP SEQRES 9 A 356 PRO ILE TYR ALA ARG LYS LEU GLY VAL ASP ILE ASP ASN SEQRES 10 A 356 LEU LEU CYS SER GLN PRO ASP THR GLY GLU GLN ALA LEU SEQRES 11 A 356 GLU ILE CYS ASP ALA LEU ALA ARG SER GLY ALA VAL ASP SEQRES 12 A 356 VAL ILE VAL VAL ASP SER VAL ALA ALA LEU THR PRO LYS SEQRES 13 A 356 ALA GLU ILE GLU GLY GLU ILE GLY ASP SER HIS MET GLY SEQRES 14 A 356 LEU ALA ALA ARG MET MET SER GLN ALA MET ARG LYS LEU SEQRES 15 A 356 ALA GLY ASN LEU LYS GLN SER ASN THR LEU LEU ILE PHE SEQRES 16 A 356 ILE ASN GLN ILE ARG MET LYS ILE GLY VAL MET PHE GLY SEQRES 17 A 356 ASN PRO GLU THR THR THR GLY GLY ASN ALA LEU LYS PHE SEQRES 18 A 356 TYR ALA SER VAL ARG LEU ASP ILE ARG ARG ILE GLY ALA SEQRES 19 A 356 VAL LYS GLU GLY GLU ASN VAL VAL GLY SER GLU THR ARG SEQRES 20 A 356 VAL LYS VAL VAL LYS ASN LYS ILE ALA ALA PRO PHE LYS SEQRES 21 A 356 GLN ALA GLU PHE GLN ILE LEU TYR GLY GLU GLY ILE ASN SEQRES 22 A 356 PHE TYR GLY GLU LEU VAL ASP LEU GLY VAL LYS GLU LYS SEQRES 23 A 356 LEU ILE GLU LYS ALA GLY ALA TRP TYR SER TYR LYS GLY SEQRES 24 A 356 GLU LYS ILE GLY GLN GLY LYS ALA ASN ALA THR ALA TRP SEQRES 25 A 356 LEU LYS ASP ASN PRO GLU THR ALA LYS GLU ILE GLU LYS SEQRES 26 A 356 LYS VAL ARG GLU LEU LEU LEU SER ASN PRO ASN SER THR SEQRES 27 A 356 PRO ASP PHE SER VAL ASP ASP SER GLU GLY VAL ALA GLU SEQRES 28 A 356 THR ASN GLU ASP PHE HET CA A 701 1 HET CA A 702 1 HET CA A 703 1 HETNAM CA CALCIUM ION FORMUL 2 CA 3(CA 2+) FORMUL 5 HOH *277(H2 O) HELIX 1 1 LYS A 6 GLY A 22 1 17 HELIX 2 2 SER A 44 LEU A 51 1 8 HELIX 3 3 GLY A 71 GLU A 86 1 16 HELIX 4 4 ASP A 100 LEU A 107 1 8 HELIX 5 5 ASP A 110 LEU A 114 5 5 HELIX 6 6 THR A 121 GLY A 136 1 16 HELIX 7 7 VAL A 146 LEU A 149 5 4 HELIX 8 8 PRO A 151 GLU A 156 1 6 HELIX 9 9 GLY A 165 ASN A 186 1 22 HELIX 10 10 GLY A 212 ALA A 219 1 8 HELIX 11 11 ASN A 269 GLU A 281 1 13 HELIX 12 12 GLY A 301 ASN A 312 1 12 HELIX 13 13 ASN A 312 LEU A 328 1 17 SHEET 1 A 2 THR A 39 ILE A 40 0 SHEET 2 A 2 LEU A 56 PRO A 57 -1 O LEU A 56 N ILE A 40 SHEET 1 B 9 LEU A 115 SER A 117 0 SHEET 2 B 9 CYS A 90 ASP A 94 1 N ASP A 94 O SER A 117 SHEET 3 B 9 VAL A 140 ASP A 144 1 O VAL A 142 N ILE A 93 SHEET 4 B 9 LEU A 188 ASN A 193 1 O ILE A 190 N VAL A 143 SHEET 5 B 9 ILE A 61 TYR A 65 1 N VAL A 62 O PHE A 191 SHEET 6 B 9 VAL A 221 LYS A 232 1 O LEU A 223 N GLU A 63 SHEET 7 B 9 VAL A 237 ASN A 249 -1 O LYS A 245 N ASP A 224 SHEET 8 B 9 GLN A 257 LEU A 263 -1 O PHE A 260 N THR A 242 SHEET 9 B 9 GLY A 267 ILE A 268 -1 O GLY A 267 N LEU A 263 SHEET 1 C 3 ILE A 284 GLU A 285 0 SHEET 2 C 3 TYR A 291 TYR A 293 -1 O SER A 292 N GLU A 285 SHEET 3 C 3 GLU A 296 GLY A 299 -1 O GLY A 299 N TYR A 291 LINK OD1 ASP A 36 CA CA A 701 4674 1555 2.33 LINK O GLY A 136 CA CA A 702 1555 1555 2.21 LINK OE1 GLU A 285 CA CA A 701 1555 1555 2.38 LINK OE2 GLU A 285 CA CA A 701 1555 1555 2.51 LINK O ALA A 287 CA CA A 701 1555 1555 2.43 LINK O TRP A 290 CA CA A 701 1555 1555 2.28 LINK O HOH A 437 CA CA A 701 1555 1555 2.45 LINK O HOH A 452 CA CA A 701 1555 1555 2.28 LINK O HOH A 455 CA CA A 702 1555 1555 2.84 LINK O HOH A 478 CA CA A 702 1555 1555 2.48 LINK O HOH A 530 CA CA A 702 1555 1555 2.43 LINK O HOH A 632 CA CA A 703 1555 1555 2.86 LINK O HOH A 634 CA CA A 703 1555 1555 2.54 LINK O HOH A 635 CA CA A 703 1555 1555 2.30 LINK O HOH A 636 CA CA A 703 1555 1555 2.53 LINK O HOH A 640 CA CA A 703 1555 1555 2.68 LINK O HOH A 650 CA CA A 702 1555 1555 2.44 CISPEP 1 ASP A 144 SER A 145 0 0.05 SITE 1 AC1 6 ASP A 36 GLU A 285 ALA A 287 TRP A 290 SITE 2 AC1 6 HOH A 437 HOH A 452 SITE 1 AC2 5 GLY A 136 HOH A 455 HOH A 478 HOH A 530 SITE 2 AC2 5 HOH A 650 SITE 1 AC3 5 HOH A 632 HOH A 634 HOH A 635 HOH A 636 SITE 2 AC3 5 HOH A 640 CRYST1 105.854 105.854 73.496 90.00 90.00 120.00 P 61 6 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 0.009447 0.005454 0.000000 0.00000 SCALE2 0.000000 0.010908 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013606 0.00000