HEADER HYDROLASE 25-OCT-23 8QY0 TITLE XYLANASE FROM BACILLUS CIRCULANS MUTANT E78Q/Y69A BOUND TO XYLOTRIOSE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDO-1,4-BETA-XYLANASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 OTHER_DETAILS: XYLOTRIOSE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: NIALLIA CIRCULANS SUBSP. CIRCULANS; SOURCE 3 ORGANISM_TAXID: 74308; SOURCE 4 GENE: XLNA; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS GLYCOSIDASE, BCX, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR A.CHIKUNOVA,M.SABERI,M.UBBINK REVDAT 3 16-OCT-24 8QY0 1 JRNL REVDAT 2 04-SEP-24 8QY0 1 JRNL REVDAT 1 21-AUG-24 8QY0 0 JRNL AUTH M.SABERI,A.CHIKUNOVA,F.BEN BDIRA,A.CRAMER-BLOK,M.TIMMER, JRNL AUTH 2 P.VOSKAMP,M.UBBINK JRNL TITL BIMODAL SUBSTRATE BINDING IN THE ACTIVE SITE OF THE JRNL TITL 2 GLYCOSIDASE BCX. JRNL REF FEBS J. V. 291 4222 2024 JRNL REFN ISSN 1742-464X JRNL PMID 39185686 JRNL DOI 10.1111/FEBS.17251 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0415 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 51.37 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 33030 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) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.197 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1696 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.95 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2393 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.21 REMARK 3 BIN R VALUE (WORKING SET) : 0.2800 REMARK 3 BIN FREE R VALUE SET COUNT : 117 REMARK 3 BIN FREE R VALUE : 0.2980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2882 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 161 REMARK 3 SOLVENT ATOMS : 189 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.58000 REMARK 3 B22 (A**2) : 0.58000 REMARK 3 B33 (A**2) : -1.17000 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): 0.129 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.120 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.087 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.118 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.962 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.944 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3168 ; 0.007 ; 0.011 REMARK 3 BOND LENGTHS OTHERS (A): 2680 ; 0.002 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4352 ; 1.417 ; 1.679 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6162 ; 0.487 ; 1.589 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 380 ; 8.711 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 14 ; 6.773 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 396 ;12.187 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 481 ; 0.062 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3801 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 819 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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 ; 1.599 ; 1.820 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1493 ; 1.599 ; 1.819 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1867 ; 2.325 ; 3.250 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 1868 ; 2.325 ; 3.250 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1675 ; 2.290 ; 2.122 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 1676 ; 2.290 ; 2.123 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 2481 ; 3.427 ; 3.781 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 3545 ; 5.037 ;20.680 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 3546 ; 5.037 ;20.680 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 8QY0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 25-OCT-23. REMARK 100 THE DEPOSITION ID IS D_1292131486. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-NOV-21 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 : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9795 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 2M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 34748 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 68.570 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 1.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.4000 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) : 1.94 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.63 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25 %V/V PEGSB, 0.2 M LISO4, 0.05 M ZN REMARK 280 ACET, 0.1 M BIS-TRIS 7.5 PH, PH 7.5, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 66.99450 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 39.90500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 39.90500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 100.49175 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 39.90500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 39.90500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 33.49725 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 39.90500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 39.90500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 100.49175 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 39.90500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 39.90500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 33.49725 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 66.99450 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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, F, G 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, E, H, I 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 388 O HOH B 381 2.16 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 8 85.66 -153.34 REMARK 500 SER A 74 61.49 63.68 REMARK 500 ALA A 165 -153.71 -102.29 REMARK 500 ASN B 8 88.03 -151.72 REMARK 500 ALA B 165 -151.01 -99.37 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 ZN A 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 156 NE2 REMARK 620 2 BTB A 202 O4 97.9 REMARK 620 3 BTB A 202 O8 100.5 98.0 REMARK 620 4 BTB A 202 O3 95.6 78.4 163.9 REMARK 620 5 BTB A 202 N 175.6 84.6 82.7 81.3 REMARK 620 6 BTB A 202 O6 97.2 158.7 93.9 85.3 79.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN B 201 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 BTB B 202 N REMARK 620 2 BTB B 202 O6 85.7 REMARK 620 3 BTB B 202 O8 79.8 97.0 REMARK 620 4 BTB B 202 O1 82.2 166.1 87.6 REMARK 620 5 BTB B 202 O3 82.0 95.5 157.0 76.1 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 8QY0 RELATED DB: PDB DBREF 8QY0 A 1 185 UNP P09850 XYNA_NIACI 29 213 DBREF 8QY0 B 1 185 UNP P09850 XYNA_NIACI 29 213 SEQADV 8QY0 ALA A 69 UNP P09850 TYR 97 ENGINEERED MUTATION SEQADV 8QY0 GLN A 78 UNP P09850 GLU 106 ENGINEERED MUTATION SEQADV 8QY0 ALA B 69 UNP P09850 TYR 97 ENGINEERED MUTATION SEQADV 8QY0 GLN B 78 UNP P09850 GLU 106 ENGINEERED MUTATION SEQRES 1 A 185 ALA SER THR ASP TYR TRP GLN ASN TRP THR ASP GLY GLY SEQRES 2 A 185 GLY ILE VAL ASN ALA VAL ASN GLY SER GLY GLY ASN TYR SEQRES 3 A 185 SER VAL ASN TRP SER ASN THR GLY ASN PHE VAL VAL GLY SEQRES 4 A 185 LYS GLY TRP THR THR GLY SER PRO PHE ARG THR ILE ASN SEQRES 5 A 185 TYR ASN ALA GLY VAL TRP ALA PRO ASN GLY ASN GLY TYR SEQRES 6 A 185 LEU THR LEU ALA GLY TRP THR ARG SER PRO LEU ILE GLN SEQRES 7 A 185 TYR TYR VAL VAL ASP SER TRP GLY THR TYR ARG PRO THR SEQRES 8 A 185 GLY THR TYR LYS GLY THR VAL LYS SER ASP GLY GLY THR SEQRES 9 A 185 TYR ASP ILE TYR THR THR THR ARG TYR ASN ALA PRO SER SEQRES 10 A 185 ILE ASP GLY ASP ARG THR THR PHE THR GLN TYR TRP SER SEQRES 11 A 185 VAL ARG GLN SER LYS ARG PRO THR GLY SER ASN ALA THR SEQRES 12 A 185 ILE THR PHE THR ASN HIS VAL ASN ALA TRP LYS SER HIS SEQRES 13 A 185 GLY MET ASN LEU GLY SER ASN TRP ALA TYR GLN VAL MET SEQRES 14 A 185 ALA THR GLU GLY TYR GLN SER SER GLY SER SER ASN VAL SEQRES 15 A 185 THR VAL TRP SEQRES 1 B 185 ALA SER THR ASP TYR TRP GLN ASN TRP THR ASP GLY GLY SEQRES 2 B 185 GLY ILE VAL ASN ALA VAL ASN GLY SER GLY GLY ASN TYR SEQRES 3 B 185 SER VAL ASN TRP SER ASN THR GLY ASN PHE VAL VAL GLY SEQRES 4 B 185 LYS GLY TRP THR THR GLY SER PRO PHE ARG THR ILE ASN SEQRES 5 B 185 TYR ASN ALA GLY VAL TRP ALA PRO ASN GLY ASN GLY TYR SEQRES 6 B 185 LEU THR LEU ALA GLY TRP THR ARG SER PRO LEU ILE GLN SEQRES 7 B 185 TYR TYR VAL VAL ASP SER TRP GLY THR TYR ARG PRO THR SEQRES 8 B 185 GLY THR TYR LYS GLY THR VAL LYS SER ASP GLY GLY THR SEQRES 9 B 185 TYR ASP ILE TYR THR THR THR ARG TYR ASN ALA PRO SER SEQRES 10 B 185 ILE ASP GLY ASP ARG THR THR PHE THR GLN TYR TRP SER SEQRES 11 B 185 VAL ARG GLN SER LYS ARG PRO THR GLY SER ASN ALA THR SEQRES 12 B 185 ILE THR PHE THR ASN HIS VAL ASN ALA TRP LYS SER HIS SEQRES 13 B 185 GLY MET ASN LEU GLY SER ASN TRP ALA TYR GLN VAL MET SEQRES 14 B 185 ALA THR GLU GLY TYR GLN SER SER GLY SER SER ASN VAL SEQRES 15 B 185 THR VAL TRP HET XYP E 1 10 HET XYP E 2 9 HET XYP E 3 9 HET XYP F 1 10 HET XYP F 2 9 HET XYP F 3 9 HET XYP G 1 10 HET XYP G 2 9 HET XYP G 3 9 HET XYP H 1 10 HET XYP H 2 9 HET XYP H 3 9 HET XYP I 1 10 HET XYP I 2 9 HET ZN A 201 1 HET BTB A 202 14 HET ZN B 201 1 HET BTB B 202 14 HETNAM XYP BETA-D-XYLOPYRANOSE HETNAM ZN ZINC ION HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETSYN XYP BETA-D-XYLOSE; D-XYLOSE; XYLOSE HETSYN BTB BIS-TRIS BUFFER FORMUL 3 XYP 14(C5 H10 O5) FORMUL 8 ZN 2(ZN 2+) FORMUL 9 BTB 2(C8 H19 N O5) FORMUL 12 HOH *189(H2 O) HELIX 1 AA1 PHE A 146 HIS A 156 1 11 HELIX 2 AA2 PHE B 146 HIS B 156 1 11 SHEET 1 AA1 8 TYR A 5 THR A 10 0 SHEET 2 AA1 8 ASN A 35 TRP A 42 -1 O GLY A 39 N GLN A 7 SHEET 3 AA1 8 ASN A 163 TRP A 185 -1 O THR A 171 N VAL A 38 SHEET 4 AA1 8 THR A 50 ARG A 73 -1 N ASN A 61 O SER A 177 SHEET 5 AA1 8 ILE A 77 TRP A 85 -1 O TYR A 79 N GLY A 70 SHEET 6 AA1 8 GLY A 120 ARG A 132 1 O SER A 130 N VAL A 82 SHEET 7 AA1 8 GLY A 103 SER A 117 -1 N ARG A 112 O PHE A 125 SHEET 8 AA1 8 THR A 93 SER A 100 -1 N LYS A 95 O ILE A 107 SHEET 1 AA2 5 ILE A 15 ASN A 20 0 SHEET 2 AA2 5 ASN A 25 SER A 31 -1 O SER A 27 N VAL A 19 SHEET 3 AA2 5 ASN A 163 TRP A 185 -1 O VAL A 182 N TYR A 26 SHEET 4 AA2 5 THR A 50 ARG A 73 -1 N ASN A 61 O SER A 177 SHEET 5 AA2 5 ALA A 142 THR A 145 -1 O ALA A 142 N TYR A 53 SHEET 1 AA3 8 TYR B 5 THR B 10 0 SHEET 2 AA3 8 ASN B 35 TRP B 42 -1 O GLY B 39 N GLN B 7 SHEET 3 AA3 8 ASN B 163 TRP B 185 -1 O THR B 171 N VAL B 38 SHEET 4 AA3 8 THR B 50 ARG B 73 -1 N ASN B 61 O SER B 177 SHEET 5 AA3 8 ILE B 77 TRP B 85 -1 O TYR B 79 N GLY B 70 SHEET 6 AA3 8 GLY B 120 ARG B 132 1 O SER B 130 N VAL B 82 SHEET 7 AA3 8 GLY B 103 SER B 117 -1 N ALA B 115 O THR B 123 SHEET 8 AA3 8 THR B 93 SER B 100 -1 N LYS B 95 O ILE B 107 SHEET 1 AA4 5 ILE B 15 ASN B 20 0 SHEET 2 AA4 5 ASN B 25 SER B 31 -1 O SER B 27 N VAL B 19 SHEET 3 AA4 5 ASN B 163 TRP B 185 -1 O SER B 180 N VAL B 28 SHEET 4 AA4 5 THR B 50 ARG B 73 -1 N ASN B 61 O SER B 177 SHEET 5 AA4 5 ALA B 142 THR B 145 -1 O ALA B 142 N TYR B 53 LINK O4 XYP E 1 C1 XYP E 2 1555 1555 1.39 LINK C4 XYP E 1 O4 XYP E 2 1555 7465 1.39 LINK O4 XYP E 1 C4 XYP E 2 1555 7465 1.32 LINK O1 XYP E 1 C4 XYP E 3 1555 7465 1.40 LINK C1 XYP E 1 O4 XYP E 3 1555 7465 1.41 LINK C2 XYP E 1 O3 XYP E 3 1555 7465 1.50 LINK C3 XYP E 1 O2 XYP E 3 1555 7465 1.47 LINK C4 XYP E 1 O5 XYP E 3 1555 7465 1.35 LINK O2 XYP E 1 C3 XYP E 3 1555 7465 1.35 LINK O3 XYP E 1 C2 XYP E 3 1555 7465 1.38 LINK O4 XYP E 1 C1 XYP E 3 1555 7465 1.44 LINK O5 XYP E 1 C4 XYP E 3 1555 7465 1.49 LINK O4 XYP E 2 C1 XYP E 3 1555 1555 1.39 LINK O4 XYP F 1 C1 XYP F 2 1555 1555 1.39 LINK O4 XYP F 2 C1 XYP F 3 1555 1555 1.39 LINK O4 XYP G 1 C1 XYP G 2 1555 1555 1.39 LINK O4 XYP G 2 C1 XYP G 3 1555 1555 1.39 LINK O4 XYP H 1 C1 XYP H 2 1555 1555 1.39 LINK O4 XYP H 2 C1 XYP H 3 1555 1555 1.40 LINK O4 XYP I 1 C1 XYP I 2 1555 1555 1.39 LINK NE2 HIS A 156 ZN ZN A 201 1555 1555 1.91 LINK ZN ZN A 201 O4 BTB A 202 1555 1555 2.15 LINK ZN ZN A 201 O8 BTB A 202 1555 1555 2.04 LINK ZN ZN A 201 O3 BTB A 202 1555 1555 2.21 LINK ZN ZN A 201 N BTB A 202 1555 1555 2.07 LINK ZN ZN A 201 O6 BTB A 202 1555 1555 2.07 LINK ZN ZN B 201 N BTB B 202 1555 1555 2.08 LINK ZN ZN B 201 O6 BTB B 202 1555 1555 2.20 LINK ZN ZN B 201 O8 BTB B 202 1555 1555 2.23 LINK ZN ZN B 201 O1 BTB B 202 1555 1555 2.24 LINK ZN ZN B 201 O3 BTB B 202 1555 1555 2.29 CISPEP 1 SER A 74 PRO A 75 0 -2.12 CISPEP 2 SER B 74 PRO B 75 0 -3.74 CRYST1 79.810 79.810 133.989 90.00 90.00 90.00 P 43 21 2 16 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 0.012530 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012530 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007463 0.00000