HEADER HYDROLASE 03-MAR-05 1WZA TITLE CRYSTAL STRUCTURE OF ALPHA-AMYLASE FROM H.ORENII COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-AMYLASE A; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 28-515; COMPND 5 EC: 3.2.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: HALOPHILIC AND THERMOPHILIC SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HALOTHERMOTHRIX ORENII; SOURCE 3 ORGANISM_TAXID: 31909; SOURCE 4 GENE: AMYA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TOP10; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRCHIS KEYWDS HALOTHERMOTHRIX ORENII, HYDROLASE, ALPHA AMYLASE, HALOPHILIC, KEYWDS 2 THERMOPHILIC EXPDTA X-RAY DIFFRACTION AUTHOR N.SIVAKUMAR,K.SWAMINATHAN,N.LI REVDAT 3 25-OCT-23 1WZA 1 REMARK LINK REVDAT 2 24-FEB-09 1WZA 1 VERSN REVDAT 1 11-APR-06 1WZA 0 JRNL AUTH N.SIVAKUMAR,N.LI,J.W.TANG,B.K.PATEL,K.SWAMINATHAN JRNL TITL CRYSTAL STRUCTURE OF AMYA LACKS ACIDIC SURFACE AND PROVIDE JRNL TITL 2 INSIGHTS INTO PROTEIN STABILITY AT POLY-EXTREME CONDITION. JRNL REF FEBS LETT. V. 580 2646 2006 JRNL REFN ISSN 0014-5793 JRNL PMID 16647060 JRNL DOI 10.1016/J.FEBSLET.2006.04.017 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.N.MIJTS,B.K.C.PATEL REMARK 1 TITL CLONING, SEQUENCING AND EXPRESSION OF AN ALPHA-AMYLASE GENE, REMARK 1 TITL 2 AMYA, FROM THE THERMOPHILIC HALOPHILE HALOTHERMOTHRIX ORENII REMARK 1 TITL 3 AND PURIFICATION AND BIOCHEMICAL CHARACTERIZATION OF THE REMARK 1 TITL 4 RECOMBINANT ENZYME REMARK 1 REF MICROBIOLOGY (READING, V. 148 2343 2002 REMARK 1 REF 2 ENGL.) REMARK 1 REFN ISSN 1350-0872 REMARK 1 PMID 12177328 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 225963.540 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.6 REMARK 3 NUMBER OF REFLECTIONS : 57804 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) : 0.186 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 5850 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.70 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 68.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6766 REMARK 3 BIN R VALUE (WORKING SET) : 0.1960 REMARK 3 BIN FREE R VALUE : 0.2250 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 741 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.008 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4025 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 551 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.05000 REMARK 3 B22 (A**2) : 5.74000 REMARK 3 B33 (A**2) : -1.69000 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) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.09 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.890 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) : 1.200 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.920 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.700 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.57 REMARK 3 BSOL : 88.19 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 1WZA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-MAR-05. REMARK 100 THE DEPOSITION ID IS D_1000024181. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-JAN-02 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 4.60 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 : SILICA REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 65039 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 150.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 2.370 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.8 REMARK 200 DATA REDUNDANCY IN SHELL : 1.35 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17900 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL 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 CODE: 1GVI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.60, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 297K 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 27.56300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 73.81250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.82900 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 73.81250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.56300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 30.82900 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: MONOMERIC 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 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 PRO A 180 C - N - CA ANGL. DEV. = 10.9 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 PHE A 42 -79.57 -87.00 REMARK 500 PRO A 68 -8.86 -56.71 REMARK 500 PRO A 83 116.21 -30.81 REMARK 500 ASP A 147 110.11 -171.58 REMARK 500 ALA A 159 173.70 -56.89 REMARK 500 ASP A 162 126.07 40.39 REMARK 500 THR A 163 53.10 -118.49 REMARK 500 ASP A 164 -102.19 -50.88 REMARK 500 THR A 165 106.16 116.63 REMARK 500 THR A 168 -128.90 154.36 REMARK 500 LYS A 169 -155.60 37.30 REMARK 500 ASP A 171 -56.24 -179.64 REMARK 500 ARG A 174 135.50 87.72 REMARK 500 SER A 179 98.61 -165.37 REMARK 500 PRO A 180 -36.47 5.11 REMARK 500 TYR A 274 40.46 -107.59 REMARK 500 LEU A 326 -63.72 -103.60 REMARK 500 ASN A 328 -164.43 -127.68 REMARK 500 TYR A 394 31.28 -154.07 REMARK 500 ALA A 398 57.73 -90.15 REMARK 500 ASN A 468 38.48 -86.53 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 601 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 44 OD1 REMARK 620 2 ASP A 46 OD1 80.2 REMARK 620 3 ASP A 48 OD1 84.4 89.2 REMARK 620 4 ILE A 50 O 87.3 167.2 87.2 REMARK 620 5 ASP A 52 OD2 91.7 92.1 175.7 90.7 REMARK 620 6 HOH A 629 O 165.8 97.9 81.4 93.6 102.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 602 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 65 OD1 REMARK 620 2 ASP A 67 O 89.2 REMARK 620 3 THR A 70 OG1 83.3 88.3 REMARK 620 4 THR A 70 O 155.4 91.4 72.1 REMARK 620 5 ASP A 73 OD2 74.8 135.2 129.4 120.0 REMARK 620 6 ASP A 73 OD1 95.8 171.9 98.6 86.7 41.4 REMARK 620 7 HOH A 671 O 105.3 87.5 170.4 99.3 58.4 85.0 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 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 602 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1GVI RELATED DB: PDB REMARK 900 THERMUS MOLTOGENIC AMYLASE REMARK 900 RELATED ID: 1SMA RELATED DB: PDB REMARK 900 MALTOGENIC AMYLASE DBREF 1WZA A 28 515 UNP Q8GPL8 Q8GPL8_9FIRM 28 515 SEQRES 1 A 488 PHE GLU LYS HIS GLY THR TYR TYR GLU ILE PHE VAL ARG SEQRES 2 A 488 SER PHE TYR ASP SER ASP GLY ASP GLY ILE GLY ASP LEU SEQRES 3 A 488 LYS GLY ILE ILE GLU LYS LEU ASP TYR LEU ASN ASP GLY SEQRES 4 A 488 ASP PRO GLU THR ILE ALA ASP LEU GLY VAL ASN GLY ILE SEQRES 5 A 488 TRP LEU MET PRO ILE PHE LYS SER PRO SER TYR HIS GLY SEQRES 6 A 488 TYR ASP VAL THR ASP TYR TYR LYS ILE ASN PRO ASP TYR SEQRES 7 A 488 GLY THR LEU GLU ASP PHE HIS LYS LEU VAL GLU ALA ALA SEQRES 8 A 488 HIS GLN ARG GLY ILE LYS VAL ILE ILE ASP LEU PRO ILE SEQRES 9 A 488 ASN HIS THR SER GLU ARG HIS PRO TRP PHE LEU LYS ALA SEQRES 10 A 488 SER ARG ASP LYS ASN SER GLU TYR ARG ASP TYR TYR VAL SEQRES 11 A 488 TRP ALA GLY PRO ASP THR ASP THR LYS GLU THR LYS LEU SEQRES 12 A 488 ASP GLY GLY ARG VAL TRP HIS TYR SER PRO THR GLY MET SEQRES 13 A 488 TYR TYR GLY TYR PHE TRP SER GLY MET PRO ASP LEU ASN SEQRES 14 A 488 TYR ASN ASN PRO GLU VAL GLN GLU LYS VAL ILE GLY ILE SEQRES 15 A 488 ALA LYS TYR TRP LEU LYS GLN GLY VAL ASP GLY PHE ARG SEQRES 16 A 488 LEU ASP GLY ALA MET HIS ILE PHE PRO PRO ALA GLN TYR SEQRES 17 A 488 ASP LYS ASN PHE THR TRP TRP GLU LYS PHE ARG GLN GLU SEQRES 18 A 488 ILE GLU GLU VAL LYS PRO VAL TYR LEU VAL GLY GLU VAL SEQRES 19 A 488 TRP ASP ILE SER GLU THR VAL ALA PRO TYR PHE LYS TYR SEQRES 20 A 488 GLY PHE ASP SER THR PHE ASN PHE LYS LEU ALA GLU ALA SEQRES 21 A 488 VAL ILE ALA THR ALA LYS ALA GLY PHE PRO PHE GLY PHE SEQRES 22 A 488 ASN LYS LYS ALA LYS HIS ILE TYR GLY VAL TYR ASP ARG SEQRES 23 A 488 GLU VAL GLY PHE GLY ASN TYR ILE ASP ALA PRO PHE LEU SEQRES 24 A 488 THR ASN HIS ASP GLN ASN ARG ILE LEU ASP GLN LEU GLY SEQRES 25 A 488 GLN ASP ARG ASN LYS ALA ARG VAL ALA ALA SER ILE TYR SEQRES 26 A 488 LEU THR LEU PRO GLY ASN PRO PHE ILE TYR TYR GLY GLU SEQRES 27 A 488 GLU ILE GLY MET ARG GLY GLN GLY PRO HIS GLU VAL ILE SEQRES 28 A 488 ARG GLU PRO PHE GLN TRP TYR ASN GLY SER GLY GLU GLY SEQRES 29 A 488 GLU THR TYR TRP GLU PRO ALA MET TYR ASN ASP GLY PHE SEQRES 30 A 488 THR SER VAL GLU GLN GLU GLU LYS ASN LEU ASP SER LEU SEQRES 31 A 488 LEU ASN HIS TYR ARG ARG LEU ILE HIS PHE ARG ASN GLU SEQRES 32 A 488 ASN PRO VAL PHE TYR THR GLY LYS ILE GLU ILE ILE ASN SEQRES 33 A 488 GLY GLY LEU ASN VAL VAL ALA PHE ARG ARG TYR ASN ASP SEQRES 34 A 488 LYS ARG ASP LEU TYR VAL TYR HIS ASN LEU VAL ASN ARG SEQRES 35 A 488 PRO VAL LYS ILE LYS VAL ALA SER GLY ASN TRP THR LEU SEQRES 36 A 488 LEU PHE ASN SER GLY ASP LYS GLU ILE THR PRO VAL GLU SEQRES 37 A 488 ASP ASN ASN LYS LEU MET TYR THR ILE PRO ALA TYR THR SEQRES 38 A 488 THR ILE VAL LEU GLU LYS GLU HET CA A 601 1 HET CA A 602 1 HETNAM CA CALCIUM ION FORMUL 2 CA 2(CA 2+) FORMUL 4 HOH *551(H2 O) HELIX 1 1 PHE A 38 PHE A 42 5 5 HELIX 2 2 ASP A 52 LYS A 59 1 8 HELIX 3 3 LYS A 59 ASN A 64 1 6 HELIX 4 4 PRO A 103 GLY A 106 5 4 HELIX 5 5 THR A 107 ARG A 121 1 15 HELIX 6 6 HIS A 138 ARG A 146 1 9 HELIX 7 7 TYR A 152 TYR A 156 5 5 HELIX 8 8 ASN A 199 GLN A 216 1 18 HELIX 9 9 PRO A 231 TYR A 235 5 5 HELIX 10 10 ASP A 236 GLU A 250 1 15 HELIX 11 11 ILE A 264 ALA A 269 1 6 HELIX 12 12 PRO A 270 LYS A 273 5 4 HELIX 13 13 ASN A 281 GLY A 295 1 15 HELIX 14 14 PRO A 297 VAL A 315 1 19 HELIX 15 15 ARG A 333 LEU A 338 1 6 HELIX 16 16 ASP A 341 LEU A 353 1 13 HELIX 17 17 GLY A 364 GLY A 368 5 5 HELIX 18 18 PRO A 374 ARG A 379 1 6 HELIX 19 19 SER A 406 GLU A 411 1 6 HELIX 20 20 SER A 416 ASN A 431 1 16 HELIX 21 21 PRO A 432 GLY A 437 1 6 SHEET 1 A 7 SER A 278 THR A 279 0 SHEET 2 A 7 TYR A 256 GLU A 260 1 N GLY A 259 O SER A 278 SHEET 3 A 7 GLY A 220 ASP A 224 1 N LEU A 223 O GLU A 260 SHEET 4 A 7 LYS A 124 ASP A 128 1 N ILE A 127 O ARG A 222 SHEET 5 A 7 GLY A 78 LEU A 81 1 N ILE A 79 O ILE A 126 SHEET 6 A 7 TYR A 34 ILE A 37 1 N ILE A 37 O TRP A 80 SHEET 7 A 7 PHE A 360 TYR A 362 1 O ILE A 361 N GLU A 36 SHEET 1 B 2 PHE A 85 LYS A 86 0 SHEET 2 B 2 ASP A 97 ILE A 101 -1 O LYS A 100 N LYS A 86 SHEET 1 C 2 TRP A 176 SER A 179 0 SHEET 2 C 2 GLY A 182 TYR A 185 -1 O TYR A 184 N HIS A 177 SHEET 1 D 5 LYS A 438 ILE A 442 0 SHEET 2 D 5 VAL A 448 TYR A 454 -1 O TYR A 454 N LYS A 438 SHEET 3 D 5 ASP A 459 ASN A 465 -1 O VAL A 462 N PHE A 451 SHEET 4 D 5 THR A 509 LYS A 514 -1 O LEU A 512 N TYR A 461 SHEET 5 D 5 TRP A 480 ASN A 485 -1 N LEU A 483 O VAL A 511 SHEET 1 E 3 VAL A 471 ALA A 476 0 SHEET 2 E 3 LYS A 499 ILE A 504 -1 O ILE A 504 N VAL A 471 SHEET 3 E 3 VAL A 494 GLU A 495 -1 N VAL A 494 O MET A 501 LINK OD1 ASP A 44 CA CA A 601 1555 1555 2.47 LINK OD1 ASP A 46 CA CA A 601 1555 1555 2.49 LINK OD1 ASP A 48 CA CA A 601 1555 1555 2.50 LINK O ILE A 50 CA CA A 601 1555 1555 2.45 LINK OD2 ASP A 52 CA CA A 601 1555 1555 2.48 LINK OD1 ASP A 65 CA CA A 602 1555 1555 2.59 LINK O ASP A 67 CA CA A 602 1555 1555 2.50 LINK OG1 THR A 70 CA CA A 602 1555 1555 2.58 LINK O THR A 70 CA CA A 602 1555 1555 2.64 LINK OD2 ASP A 73 CA CA A 602 1555 1555 3.31 LINK OD1 ASP A 73 CA CA A 602 1555 1555 2.59 LINK CA CA A 601 O HOH A 629 1555 1555 2.60 LINK CA CA A 602 O HOH A 671 1555 1555 2.73 SITE 1 AC1 6 ASP A 44 ASP A 46 ASP A 48 ILE A 50 SITE 2 AC1 6 ASP A 52 HOH A 629 SITE 1 AC2 5 ASP A 65 ASP A 67 THR A 70 ASP A 73 SITE 2 AC2 5 HOH A 671 CRYST1 55.126 61.658 147.625 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 0.018140 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016218 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006774 0.00000