HEADER HYDROLASE 21-JAN-03 1NQ6 TITLE CRYSTAL STRUCTURE OF THE CATALYTIC DOMAIN OF XYLANASE A FROM TITLE 2 STREPTOMYCES HALSTEDII JM8 COMPND MOL_ID: 1; COMPND 2 MOLECULE: XYS1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 EC: 3.2.1.8; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES HALSTEDII; SOURCE 3 ORGANISM_TAXID: 1944; SOURCE 4 STRAIN: JM8; SOURCE 5 GENE: XYSA; SOURCE 6 EXPRESSION_SYSTEM: STREPTOMYCES PARVULUS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 146923; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JI2283; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PJM9 KEYWDS GLYCOSIDE HYDROLASE FAMILY 10, XYLANASE, XYLAN DEGRADATION, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.CANALS,M.C.VEGA,F.X.GOMIS-RUTH,R.I.SANTAMARIA,M.COLL REVDAT 5 13-NOV-24 1NQ6 1 REMARK REVDAT 4 25-OCT-23 1NQ6 1 REMARK LINK REVDAT 3 13-JUL-11 1NQ6 1 VERSN REVDAT 2 24-FEB-09 1NQ6 1 VERSN REVDAT 1 21-JAN-04 1NQ6 0 JRNL AUTH A.CANALS,M.C.VEGA,F.X.GOMIS-RUTH,M.DIAZ,R.I.SANTAMARIA R, JRNL AUTH 2 M.COLL JRNL TITL STRUCTURE OF XYLANASE XYS1DELTA FROM STREPTOMYCES HALSTEDII. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 59 1447 2003 JRNL REFN ISSN 0907-4449 JRNL PMID 12876348 JRNL DOI 10.1107/S0907444903012629 REMARK 2 REMARK 2 RESOLUTION. 1.78 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.1.24 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.78 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.82 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 NUMBER OF REFLECTIONS : 21207 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) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.145 REMARK 3 FREE R VALUE : 0.176 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.300 REMARK 3 FREE R VALUE TEST SET COUNT : 1658 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) : 1.78 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.83 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1118 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1630 REMARK 3 BIN FREE R VALUE SET COUNT : 90 REMARK 3 BIN FREE R VALUE : 0.2180 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2297 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 341 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 9.45 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.33000 REMARK 3 B22 (A**2) : -0.80000 REMARK 3 B33 (A**2) : 0.48000 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): 0.134 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.115 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.072 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.269 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.941 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2357 ; 0.009 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 3200 ; 1.090 ; 1.917 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 301 ; 6.029 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 341 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1843 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 916 ; 0.191 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 237 ; 0.100 ; 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): 40 ; 0.162 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 35 ; 0.111 ; 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): 1493 ; 0.387 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2374 ; 0.717 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 862 ; 1.245 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 821 ; 1.950 ; 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 : 2 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 30 REMARK 3 ORIGIN FOR THE GROUP (A): 6.2512 -12.1973 4.0898 REMARK 3 T TENSOR REMARK 3 T11: 0.0474 T22: 0.0488 REMARK 3 T33: 0.0239 T12: 0.0174 REMARK 3 T13: 0.0017 T23: -0.0101 REMARK 3 L TENSOR REMARK 3 L11: 1.8023 L22: 1.0435 REMARK 3 L33: 0.8802 L12: -0.3863 REMARK 3 L13: -0.8551 L23: -0.1080 REMARK 3 S TENSOR REMARK 3 S11: 0.1339 S12: 0.0587 S13: -0.0112 REMARK 3 S21: -0.1049 S22: -0.1062 S23: 0.0291 REMARK 3 S31: 0.0413 S32: -0.0292 S33: -0.0277 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1002 A 1035 REMARK 3 ORIGIN FOR THE GROUP (A): 5.4149 -2.2876 13.8189 REMARK 3 T TENSOR REMARK 3 T11: 0.0349 T22: 0.0370 REMARK 3 T33: 0.0381 T12: 0.0096 REMARK 3 T13: 0.0042 T23: -0.0039 REMARK 3 L TENSOR REMARK 3 L11: 0.0075 L22: 0.1548 REMARK 3 L33: 0.4761 L12: 0.3190 REMARK 3 L13: 0.1053 L23: 0.1444 REMARK 3 S TENSOR REMARK 3 S11: -0.0074 S12: 0.0326 S13: -0.0505 REMARK 3 S21: -0.0406 S22: 0.0067 S23: 0.0020 REMARK 3 S31: 0.0287 S32: -0.0104 S33: 0.0008 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: NULL REMARK 4 REMARK 4 1NQ6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-JAN-03. REMARK 100 THE DEPOSITION ID IS D_1000018101. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-JUL-96 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : BW7B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.885 REMARK 200 MONOCHROMATOR : MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22905 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.782 REMARK 200 RESOLUTION RANGE LOW (A) : 24.818 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.04400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.78 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.88 REMARK 200 COMPLETENESS FOR SHELL (%) : 85.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.08400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 8.900 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 1E0W REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 22.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.61 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, MAGNESIUM CHLORIDE, SODIUM REMARK 280 ACETATE, PH 5.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 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 17.02500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 43.90000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.80000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 43.90000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 17.02500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.80000 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 1174 O HOH A 1257 2.18 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 THR A 281 62.30 31.70 REMARK 500 LEU A 283 -169.17 -113.76 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 A1001 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 LEU A 302 O REMARK 620 2 HOH A1120 O 78.5 REMARK 620 3 HOH A1155 O 99.2 176.0 REMARK 620 4 HOH A1183 O 90.3 87.0 89.7 REMARK 620 5 HOH A1330 O 87.6 74.6 108.7 161.6 REMARK 620 6 HOH A1342 O 169.4 91.0 91.0 87.1 91.6 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 1001 DBREF 1NQ6 A 1 302 UNP Q59922 Q59922_STRHA 46 347 SEQRES 1 A 302 ALA GLY ALA LEU GLY ASP ALA ALA ALA ALA LYS GLY ARG SEQRES 2 A 302 TYR PHE GLY ALA ALA VAL ALA ALA ASN HIS LEU GLY GLU SEQRES 3 A 302 ALA ALA TYR ALA SER THR LEU ASP ALA GLN PHE GLY SER SEQRES 4 A 302 VAL THR PRO GLU ASN GLU MET LYS TRP ASP ALA VAL GLU SEQRES 5 A 302 SER SER ARG ASN SER PHE SER PHE SER ALA ALA ASP ARG SEQRES 6 A 302 ILE VAL SER HIS ALA GLN SER LYS GLY MET LYS VAL ARG SEQRES 7 A 302 GLY HIS THR LEU VAL TRP HIS SER GLN LEU PRO GLY TRP SEQRES 8 A 302 VAL SER PRO LEU ALA ALA THR ASP LEU ARG SER ALA MET SEQRES 9 A 302 ASN ASN HIS ILE THR GLN VAL MET THR HIS TYR LYS GLY SEQRES 10 A 302 LYS ILE HIS SER TRP ASP VAL VAL ASN GLU ALA PHE GLN SEQRES 11 A 302 ASP GLY GLY SER GLY ALA ARG ARG SER SER PRO PHE GLN SEQRES 12 A 302 ASP LYS LEU GLY ASN GLY PHE ILE GLU GLU ALA PHE ARG SEQRES 13 A 302 THR ALA ARG THR VAL ASP ALA ASP ALA LYS LEU CYS TYR SEQRES 14 A 302 ASN ASP TYR ASN THR ASP GLY GLN ASN ALA LYS SER ASN SEQRES 15 A 302 ALA VAL TYR GLU MET VAL LYS ASP PHE LYS GLN ARG GLY SEQRES 16 A 302 VAL PRO ILE ASP CYS VAL GLY PHE GLN SER HIS PHE ASN SEQRES 17 A 302 SER ASN SER PRO VAL PRO SER ASP PHE GLN ALA ASN LEU SEQRES 18 A 302 GLN ARG PHE ALA ASP LEU GLY VAL ASP VAL GLN ILE THR SEQRES 19 A 302 GLU LEU ASP ILE GLU GLY SER GLY SER ALA GLN ALA ALA SEQRES 20 A 302 ASN TYR THR LYS VAL VAL ASN ALA CYS LEU ALA VAL THR SEQRES 21 A 302 ARG CYS THR GLY ILE THR VAL TRP GLY VAL THR ASP LYS SEQRES 22 A 302 TYR SER TRP ARG SER GLY GLY THR PRO LEU LEU PHE ASP SEQRES 23 A 302 GLY ASP TYR ASN LYS LYS PRO ALA TYR ASP ALA VAL LEU SEQRES 24 A 302 ALA ALA LEU HET MG A1001 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *341(H2 O) HELIX 1 1 GLY A 2 ALA A 10 1 9 HELIX 2 2 ALA A 20 LEU A 24 5 5 HELIX 3 3 GLU A 26 PHE A 37 1 12 HELIX 4 4 LYS A 47 GLU A 52 1 6 HELIX 5 5 PHE A 60 LYS A 73 1 14 HELIX 6 6 ALA A 96 TYR A 115 1 20 HELIX 7 7 SER A 140 GLY A 147 1 8 HELIX 8 8 GLY A 149 ASP A 162 1 14 HELIX 9 9 ASN A 178 GLY A 195 1 18 HELIX 10 10 ASP A 216 ASP A 226 1 11 HELIX 11 11 SER A 241 ALA A 258 1 18 HELIX 12 12 THR A 271 SER A 275 5 5 HELIX 13 13 ARG A 277 THR A 281 5 5 HELIX 14 14 LYS A 292 LEU A 302 1 11 SHEET 1 A10 HIS A 206 PHE A 207 0 SHEET 2 A10 ASP A 230 ILE A 238 1 O ASP A 237 N PHE A 207 SHEET 3 A10 CYS A 200 PHE A 203 1 O VAL A 201 N GLN A 232 SHEET 4 A10 LYS A 166 ASP A 171 1 O LEU A 167 N CYS A 200 SHEET 5 A10 SER A 121 ASN A 126 1 O TRP A 122 N CYS A 168 SHEET 6 A10 LYS A 76 TRP A 84 1 O VAL A 77 N SER A 121 SHEET 7 A10 SER A 39 PRO A 42 1 O VAL A 40 N ARG A 78 SHEET 8 A10 TYR A 14 VAL A 19 1 O PHE A 15 N SER A 39 SHEET 9 A10 CYS A 262 VAL A 267 1 O THR A 263 N TYR A 14 SHEET 10 A10 ASP A 230 ILE A 238 1 O VAL A 231 N THR A 263 SSBOND 1 CYS A 168 CYS A 200 1555 1555 2.03 SSBOND 2 CYS A 256 CYS A 262 1555 1555 2.02 LINK O LEU A 302 MG MG A1001 1555 1555 2.08 LINK MG MG A1001 O HOH A1120 1555 1555 2.22 LINK MG MG A1001 O HOH A1155 1555 1555 1.98 LINK MG MG A1001 O HOH A1183 1555 1555 2.17 LINK MG MG A1001 O HOH A1330 1555 1555 2.02 LINK MG MG A1001 O HOH A1342 1555 1555 2.13 CISPEP 1 HIS A 80 THR A 81 0 -2.97 SITE 1 AC1 6 LEU A 302 HOH A1120 HOH A1155 HOH A1183 SITE 2 AC1 6 HOH A1330 HOH A1342 CRYST1 34.050 79.600 87.800 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 0.029369 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012563 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011390 0.00000