HEADER HYDROLASE 31-JUL-00 1FHD TITLE CRYSTAL STRUCTURE OF THE XYLANASE CEX WITH XYLOBIOSE-DERIVED IMIDAZOLE TITLE 2 INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-1,4-XYLANASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: CEX; COMPND 6 EC: 3.2.1.91; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CELLULOMONAS FIMI; SOURCE 3 ORGANISM_TAXID: 1708; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS XYLANASE, GLYCOSYL HYDROLASE FAMILY 10, CATALYTIC MECHANISM, KEYWDS 2 INHIBITOR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR V.NOTENBOOM,S.J.WILLIAMS,R.HOOS,S.G.WITHERS,D.R.ROSE REVDAT 6 29-JUL-20 1FHD 1 COMPND REMARK HETNAM LINK REVDAT 6 2 1 SITE ATOM REVDAT 5 04-OCT-17 1FHD 1 REMARK REVDAT 4 24-FEB-09 1FHD 1 VERSN REVDAT 3 01-APR-03 1FHD 1 JRNL REVDAT 2 13-DEC-00 1FHD 1 JRNL REVDAT 1 23-AUG-00 1FHD 0 JRNL AUTH V.NOTENBOOM,S.J.WILLIAMS,R.HOOS,S.G.WITHERS,D.R.ROSE JRNL TITL DETAILED STRUCTURAL ANALYSIS OF GLYCOSIDASE/INHIBITOR JRNL TITL 2 INTERACTIONS: COMPLEXES OF CEX FROM CELLULOMONAS FIMI WITH JRNL TITL 3 XYLOBIOSE-DERIVED AZA-SUGARS. JRNL REF BIOCHEMISTRY V. 39 11553 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 10995222 JRNL DOI 10.1021/BI0010625 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : CNS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 402753.720 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 22695 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) : 0.193 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2239 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) (%) : 91.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3134 REMARK 3 BIN R VALUE (WORKING SET) : 0.2210 REMARK 3 BIN FREE R VALUE : 0.2420 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 339 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.013 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2400 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 250 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.56000 REMARK 3 B22 (A**2) : 0.56000 REMARK 3 B33 (A**2) : -1.12000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.16 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.820 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 : 0.41 REMARK 3 BSOL : 47.89 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 : PARAM3.CHO REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CIS-THR81.PEP REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : TOPH3.CHO REMARK 3 TOPOLOGY FILE 3 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FHD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-AUG-00. REMARK 100 THE DEPOSITION ID IS D_1000011588. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MAR REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24224 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 14.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.2 REMARK 200 DATA REDUNDANCY : 20.00 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 13.6000 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) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.25600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15% PEG4K, 0.1M NAACETATE, PH 4.6, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.30200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 42.67150 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 42.67150 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 19.65100 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 42.67150 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 42.67150 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 58.95300 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 42.67150 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.67150 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 19.65100 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 42.67150 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.67150 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 58.95300 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 39.30200 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1006 LIES ON A SPECIAL POSITION. REMARK 375 HOH A1056 LIES ON A SPECIAL POSITION. 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 1304 O HOH A 1305 1.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 THR A 81 C LEU A 82 N 0.221 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 ASN A 44 -26.86 -145.87 REMARK 500 ALA A 291 45.88 39.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLY A 79 -10.29 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2EXO RELATED DB: PDB REMARK 900 CEX XYLANASE REMARK 900 RELATED ID: 1EXP RELATED DB: PDB REMARK 900 CEX XYLANASE 2-F-CELLOBIOSE COMPLEX REMARK 900 RELATED ID: 1XYL RELATED DB: PDB REMARK 900 CEX XYLANASE 2-F-XYLOBIOSE COMPLEX REMARK 900 RELATED ID: 1FH7 RELATED DB: PDB REMARK 900 CEX XYLANASE WITH XYLOBIOSE-DERIVED DEOXYNOJIRIMYCIN INHIBITOR REMARK 900 RELATED ID: 1FH8 RELATED DB: PDB REMARK 900 CEX XYLANASE WITH XYLOBIOSE-DERIVED ISOFAGOMINE INHIBITOR REMARK 900 RELATED ID: 1FH9 RELATED DB: PDB REMARK 900 CEX XYLANASE WITH XYLOBIOSE-DERIVED LACTAM OXIME INHIBITOR DBREF 1FHD A 1 312 GB 144429 AAA56792 43 354 SEQRES 1 A 312 ALA THR THR LEU LYS GLU ALA ALA ASP GLY ALA GLY ARG SEQRES 2 A 312 ASP PHE GLY PHE ALA LEU ASP PRO ASN ARG LEU SER GLU SEQRES 3 A 312 ALA GLN TYR LYS ALA ILE ALA ASP SER GLU PHE ASN LEU SEQRES 4 A 312 VAL VAL ALA GLU ASN ALA MET LYS TRP ASP ALA THR GLU SEQRES 5 A 312 PRO SER GLN ASN SER PHE SER PHE GLY ALA GLY ASP ARG SEQRES 6 A 312 VAL ALA SER TYR ALA ALA ASP THR GLY LYS GLU LEU TYR SEQRES 7 A 312 GLY HIS THR LEU VAL TRP HIS SER GLN LEU PRO ASP TRP SEQRES 8 A 312 ALA LYS ASN LEU ASN GLY SER ALA PHE GLU SER ALA MET SEQRES 9 A 312 VAL ASN HIS VAL THR LYS VAL ALA ASP HIS PHE GLU GLY SEQRES 10 A 312 LYS VAL ALA SER TRP ASP VAL VAL ASN GLU ALA PHE ALA SEQRES 11 A 312 ASP GLY GLY GLY ARG ARG GLN ASP SER ALA PHE GLN GLN SEQRES 12 A 312 LYS LEU GLY ASN GLY TYR ILE GLU THR ALA PHE ARG ALA SEQRES 13 A 312 ALA ARG ALA ALA ASP PRO THR ALA LYS LEU CYS ILE ASN SEQRES 14 A 312 ASP TYR ASN VAL GLU GLY ILE ASN ALA LYS SER ASN SER SEQRES 15 A 312 LEU TYR ASP LEU VAL LYS ASP PHE LYS ALA ARG GLY VAL SEQRES 16 A 312 PRO LEU ASP CYS VAL GLY PHE GLN SER HIS LEU ILE VAL SEQRES 17 A 312 GLY GLN VAL PRO GLY ASP PHE ARG GLN ASN LEU GLN ARG SEQRES 18 A 312 PHE ALA ASP LEU GLY VAL ASP VAL ARG ILE THR GLU LEU SEQRES 19 A 312 ASP ILE ARG MET ARG THR PRO SER ASP ALA THR LYS LEU SEQRES 20 A 312 ALA THR GLN ALA ALA ASP TYR LYS LYS VAL VAL GLN ALA SEQRES 21 A 312 CYS MET GLN VAL THR ARG CYS GLN GLY VAL THR VAL TRP SEQRES 22 A 312 GLY ILE THR ASP LYS TYR SER TRP VAL PRO ASP VAL PHE SEQRES 23 A 312 PRO GLY GLU GLY ALA ALA LEU VAL TRP ASP ALA SER TYR SEQRES 24 A 312 ALA LYS LYS PRO ALA TYR ALA ALA VAL MET GLU ALA PHE HET XYP A 601 9 HET XIM A 602 12 HETNAM XYP BETA-D-XYLOPYRANOSE HETNAM XIM 5,6,7,8-TETRAHYDRO-IMIDAZO[1,2-A]PYRIDINE-6,7,8-TRIOL HETSYN XIM XYLOSE-DERIVED IMIDAZOLE FORMUL 2 XYP C5 H10 O5 FORMUL 3 XIM C7 H10 N2 O3 FORMUL 4 HOH *250(H2 O) HELIX 1 1 THR A 3 GLY A 12 1 10 HELIX 2 2 ASP A 20 SER A 25 5 6 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 GLY A 74 1 15 HELIX 6 6 PRO A 89 ASN A 94 1 6 HELIX 7 7 ASN A 96 GLU A 116 1 21 HELIX 8 8 SER A 139 GLY A 146 1 8 HELIX 9 9 GLY A 148 ASP A 161 1 14 HELIX 10 10 ASN A 177 GLY A 194 1 18 HELIX 11 11 ASP A 214 ASP A 224 1 11 HELIX 12 12 ASP A 243 GLN A 263 1 21 HELIX 13 13 TRP A 281 PHE A 286 1 6 HELIX 14 14 PRO A 303 PHE A 312 1 10 SHEET 1 A 9 GLU A 289 GLY A 290 0 SHEET 2 A 9 ASP A 228 ARG A 239 -1 O MET A 238 N GLY A 290 SHEET 3 A 9 CYS A 199 PHE A 202 1 N VAL A 200 O ASP A 228 SHEET 4 A 9 LYS A 165 ASP A 170 1 O LEU A 166 N CYS A 199 SHEET 5 A 9 SER A 121 ASN A 126 1 O TRP A 122 N CYS A 167 SHEET 6 A 9 GLU A 76 GLY A 79 1 O LEU A 77 N SER A 121 SHEET 7 A 9 LEU A 39 ALA A 42 1 O VAL A 40 N TYR A 78 SHEET 8 A 9 ASP A 14 LEU A 19 1 O PHE A 15 N LEU A 39 SHEET 9 A 9 CYS A 267 VAL A 272 1 O GLN A 268 N ASP A 14 SHEET 1 B 6 GLU A 289 GLY A 290 0 SHEET 2 B 6 ASP A 228 ARG A 239 -1 O MET A 238 N GLY A 290 SHEET 3 B 6 CYS A 199 PHE A 202 1 N VAL A 200 O ASP A 228 SHEET 4 B 6 LYS A 165 ASP A 170 1 O LEU A 166 N CYS A 199 SHEET 5 B 6 SER A 121 ASN A 126 1 O TRP A 122 N CYS A 167 SHEET 6 B 6 VAL A 83 TRP A 84 1 O VAL A 83 N ASN A 126 SSBOND 1 CYS A 167 CYS A 199 1555 1555 2.03 SSBOND 2 CYS A 261 CYS A 267 1555 1555 2.03 LINK C1 XYP A 601 O4 XIM A 602 1555 1555 1.44 CISPEP 1 HIS A 80 THR A 81 0 -0.01 CISPEP 2 THR A 240 PRO A 241 0 -0.25 CRYST1 85.343 85.343 78.604 90.00 90.00 90.00 P 41 21 2 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 0.011717 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011717 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012722 0.00000