HEADER HYDROLASE 16-JUN-08 3DGT TITLE THE 1.5 A CRYSTAL STRUCTURE OF ENDO-1,3-BETA-GLUCANASE FROM TITLE 2 STREPTOMYCES SIOYAENSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-1,3-BETA-GLUCANASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN, UNP RESIDUES 49-321; COMPND 5 EC: 3.2.1.39; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES SIOYAENSIS; SOURCE 3 ORGANISM_TAXID: 67364; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: TUNER(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PUC18 KEYWDS GHF16, HYDROLASE, 1, 3-BETA-GLUCANASE EXPDTA X-RAY DIFFRACTION AUTHOR T.H.LI REVDAT 3 25-OCT-17 3DGT 1 REMARK REVDAT 2 24-FEB-09 3DGT 1 VERSN REVDAT 1 02-SEP-08 3DGT 0 JRNL AUTH T.-Y.HONG,Y.-Y.HSIAO,M.MENG,T.T.LI JRNL TITL THE 1.5 A STRUCTURE OF ENDO-1,3-BETA-GLUCANASE FROM JRNL TITL 2 STREPTOMYCES SIOYAENSIS: EVOLUTION OF THE ACTIVE-SITE JRNL TITL 3 STRUCTURE FOR 1,3-BETA-GLUCAN-BINDING SPECIFICITY AND JRNL TITL 4 HYDROLYSIS JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 64 964 2008 JRNL REFN ISSN 0907-4449 JRNL PMID 18703845 JRNL DOI 10.1107/S0907444908021550 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.75 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 36838 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) : 0.184 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1949 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) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2559 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.19 REMARK 3 BIN R VALUE (WORKING SET) : 0.1580 REMARK 3 BIN FREE R VALUE SET COUNT : 153 REMARK 3 BIN FREE R VALUE : 0.1840 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2053 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 150 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.25 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.56 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.01000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.079 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.074 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.040 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.016 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.939 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2117 ; 0.008 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2901 ; 1.244 ; 1.916 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 277 ; 6.882 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 93 ;38.268 ;24.624 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 274 ;10.491 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;15.983 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 304 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1701 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1005 ; 0.198 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 1459 ; 0.305 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 128 ; 0.080 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 35 ; 0.163 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 27 ; 0.064 ; 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): 1393 ; 0.476 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2196 ; 0.811 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 849 ; 1.249 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 705 ; 1.642 ; 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 3DGT COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-JUN-08. REMARK 100 THE DEPOSITION ID IS D_1000048020. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MSC BLUE-OPTICS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38840 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 4.200 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 34.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.3 REMARK 200 DATA REDUNDANCY IN SHELL : 3.39 REMARK 200 R MERGE FOR SHELL (I) : 0.09800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 14.40 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SHELXCD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG MME 2000, 100MM HEPES PH 7.5, REMARK 280 10MM MGCL2, 0.01% NAN3, MICROSEEDING METHOD, TEMPERATURE 278K 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 19.75450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.83150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.98350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.83150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.75450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.98350 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 279 REMARK 465 LEU A 280 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 GLN A 93 124.62 -172.87 REMARK 500 ASN A 133 -63.67 -129.70 REMARK 500 ASN A 183 -53.90 74.49 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 MG A 800 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 16 O REMARK 620 2 ASP A 16 OD1 93.0 REMARK 620 3 GLY A 66 O 84.6 177.2 REMARK 620 4 ASP A 269 O 86.2 86.6 91.9 REMARK 620 5 ASP A 269 OD1 172.1 89.3 92.9 86.4 REMARK 620 6 HOH A 549 O 92.1 87.6 93.9 173.8 95.6 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 MG A 800 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THERE ARE CONFLICTS BETWEEN THE GIVEN SEQUENCE AND THE REMARK 999 DATABASE REFERENCE SEQUENCE. THESE RESIDUES IDENTIFIED IN REMARK 999 THE STRUCTURE DETERMINTION WORK SOULD BE THE CORRECT REMARK 999 SEQUENCE OF THE PROTEIN. THE DEPOSITORS ALSO DID THE REMARK 999 SEQUENCING OF THE PLASMID AND CONFIRMED THESE RESIDUE REMARK 999 SEQUENCES ARE CONSISTENT WITH THE X-RAY STRUCTURE. DBREF 3DGT A 1 273 UNP Q9L816 Q9L816_9ACTO 49 321 SEQADV 3DGT SER A 178 UNP Q9L816 LEU 226 SEE REMARK 999 SEQADV 3DGT GLN A 187 UNP Q9L816 HIS 235 SEE REMARK 999 SEQADV 3DGT PHE A 190 UNP Q9L816 LEU 238 SEE REMARK 999 SEQADV 3DGT GLN A 222 UNP Q9L816 HIS 270 SEE REMARK 999 SEQADV 3DGT ALA A 226 UNP Q9L816 VAL 274 SEE REMARK 999 SEQADV 3DGT THR A 274 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT SER A 275 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT LEU A 276 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT SER A 277 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT PRO A 278 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT GLY A 279 UNP Q9L816 EXPRESSION TAG SEQADV 3DGT LEU A 280 UNP Q9L816 EXPRESSION TAG SEQRES 1 A 280 SER ALA PRO ALA PRO PRO SER GLY TRP SER GLN VAL PHE SEQRES 2 A 280 LEU ASP ASP PHE ASP GLY ALA ALA GLY SER SER VAL ASN SEQRES 3 A 280 THR ALA ASN TRP GLN PHE ASP THR GLY THR SER TYR PRO SEQRES 4 A 280 GLY GLY ALA GLY ASN TRP GLY THR GLY GLU VAL GLU SER SEQRES 5 A 280 MET THR SER SER THR SER ASN VAL SER LEU ASP GLY ASN SEQRES 6 A 280 GLY ASP LEU LEU ILE THR PRO ARG ARG ASP ALA SER GLY SEQRES 7 A 280 ASN TRP THR SER GLY ARG ILE GLU THR THR ARG THR ASP SEQRES 8 A 280 PHE GLN PRO PRO ALA GLY GLY LYS LEU ARG VAL GLU ALA SEQRES 9 A 280 ARG LEU GLN MET PRO ASN VAL THR GLY ASP ALA ALA ALA SEQRES 10 A 280 GLY TYR TRP PRO ALA PHE TRP MET LEU GLY ALA PRO PHE SEQRES 11 A 280 ARG GLY ASN TYR GLN ASN TRP PRO GLY VAL GLY GLU LEU SEQRES 12 A 280 ASP ILE MET GLU ASN VAL GLN GLY LEU ASN LYS THR TRP SEQRES 13 A 280 ALA THR MET HIS CYS GLY THR SER PRO GLY GLY PRO CYS SEQRES 14 A 280 ASN GLU THR SER GLY ILE GLY ASN SER THR ALA CYS PRO SEQRES 15 A 280 ASN THR THR CYS GLN SER GLY PHE HIS THR TYR THR MET SEQRES 16 A 280 GLU TRP ASP ARG SER VAL SER PRO GLU ALA ILE ARG PHE SEQRES 17 A 280 SER VAL ASP GLY VAL THR TYR GLN THR VAL THR ALA ASN SEQRES 18 A 280 GLN MET ASP ALA ALA THR TRP THR ASN ALA THR ASN HIS SEQRES 19 A 280 GLY PHE PHE VAL ILE LEU ASN VAL ALA MET GLY GLY GLY SEQRES 20 A 280 PHE PRO GLY ALA PHE GLY GLY GLY PRO THR GLY ALA THR SEQRES 21 A 280 GLU PRO GLY HIS PRO MET VAL VAL ASP TYR VAL GLN VAL SEQRES 22 A 280 THR SER LEU SER PRO GLY LEU HET MG A 800 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *150(H2 O) HELIX 1 1 ALA A 42 THR A 47 5 6 HELIX 2 2 THR A 112 ALA A 117 5 6 HELIX 3 3 PRO A 129 ARG A 131 5 3 HELIX 4 4 ASN A 221 MET A 223 5 3 HELIX 5 5 ASP A 224 ASN A 233 1 10 HELIX 6 6 GLY A 246 ALA A 251 1 6 SHEET 1 A 4 TRP A 9 ASP A 15 0 SHEET 2 A 4 MET A 266 LEU A 276 -1 O VAL A 273 N VAL A 12 SHEET 3 A 4 LEU A 68 ILE A 70 -1 N LEU A 68 O VAL A 268 SHEET 4 A 4 VAL A 60 LEU A 62 -1 N SER A 61 O LEU A 69 SHEET 1 B 6 TRP A 9 ASP A 15 0 SHEET 2 B 6 MET A 266 LEU A 276 -1 O VAL A 273 N VAL A 12 SHEET 3 B 6 LYS A 99 GLN A 107 -1 N GLU A 103 O GLN A 272 SHEET 4 B 6 HIS A 191 ASP A 198 -1 O TYR A 193 N ALA A 104 SHEET 5 B 6 ALA A 205 VAL A 210 -1 O ALA A 205 N ASP A 198 SHEET 6 B 6 VAL A 213 THR A 219 -1 O GLN A 216 N PHE A 208 SHEET 1 C 7 TRP A 30 PHE A 32 0 SHEET 2 C 7 ARG A 84 THR A 87 -1 O GLU A 86 N GLN A 31 SHEET 3 C 7 PHE A 236 MET A 244 -1 O LEU A 240 N ILE A 85 SHEET 4 C 7 TYR A 119 GLY A 127 -1 N TRP A 124 O ILE A 239 SHEET 5 C 7 GLU A 142 GLU A 147 -1 O MET A 146 N PHE A 123 SHEET 6 C 7 THR A 155 HIS A 160 -1 O THR A 158 N ASP A 144 SHEET 7 C 7 ILE A 175 THR A 179 -1 O ILE A 175 N MET A 159 SHEET 1 D 3 SER A 52 MET A 53 0 SHEET 2 D 3 TRP A 80 SER A 82 1 O TRP A 80 N SER A 52 SHEET 3 D 3 ARG A 73 ARG A 74 -1 N ARG A 73 O THR A 81 SSBOND 1 CYS A 161 CYS A 169 1555 1555 2.04 SSBOND 2 CYS A 181 CYS A 186 1555 1555 2.05 LINK O ASP A 16 MG MG A 800 1555 1555 2.08 LINK OD1 ASP A 16 MG MG A 800 1555 1555 2.08 LINK O GLY A 66 MG MG A 800 1555 1555 2.13 LINK O ASP A 269 MG MG A 800 1555 1555 2.09 LINK OD1 ASP A 269 MG MG A 800 1555 1555 2.05 LINK MG MG A 800 O HOH A 549 1555 1555 2.06 CISPEP 1 TRP A 137 PRO A 138 0 1.09 CISPEP 2 SER A 164 PRO A 165 0 -2.97 CISPEP 3 GLU A 171 THR A 172 0 11.46 CISPEP 4 SER A 202 PRO A 203 0 2.50 CISPEP 5 GLY A 255 PRO A 256 0 1.04 SITE 1 AC1 4 ASP A 16 GLY A 66 ASP A 269 HOH A 549 CRYST1 39.509 75.967 79.663 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 0.025311 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013164 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012553 0.00000