HEADER HYDROLASE 26-NOV-10 2XZK TITLE THE ASPERGILLUS FUMIGATUS SIALIDASE IS A KDNASE: STRUCTURAL AND TITLE 2 MECHANISTIC INSIGHTS COMPND MOL_ID: 1; COMPND 2 MOLECULE: EXTRACELLULAR SIALIDASE/NEURAMINIDASE, PUTATIVE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: MATURE PROTEIN, RESIDUES 21-406; COMPND 5 SYNONYM: KDNASE; COMPND 6 EC: 3.2.1.18; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ASPERGILLUS FUMIGATUS; SOURCE 3 ORGANISM_TAXID: 330879; SOURCE 4 STRAIN: AF293; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.C.TELFORD,J.H.F.YEUNG,M.J.KIEFEL,A.G.WATTS,S.HADER,J.CHAN, AUTHOR 2 A.J.BENNET,M.M.MOORE,G.L.TAYLOR REVDAT 6 20-DEC-23 2XZK 1 HETSYN REVDAT 5 29-JUL-20 2XZK 1 COMPND REMARK HETNAM LINK REVDAT 5 2 1 SITE REVDAT 4 16-MAY-12 2XZK 1 REMARK HET HETNAM HETSYN REVDAT 4 2 1 FORMUL LINK SITE HETATM REVDAT 4 3 1 CONECT REVDAT 3 17-AUG-11 2XZK 1 JRNL REMARK HETSYN VERSN REVDAT 2 02-FEB-11 2XZK 1 JRNL REVDAT 1 19-JAN-11 2XZK 0 JRNL AUTH J.C.TELFORD,J.H.F.YEUNG,G.XU,M.J.KIEFEL,A.G.WATTS,S.HADER, JRNL AUTH 2 J.CHAN,A.J.BENNET,M.M.MOORE,G.L.TAYLOR JRNL TITL THE ASPERGILLUS FUMIGATUS SIALIDASE IS A KDNASE: STRUCTURAL JRNL TITL 2 AND MECHANISTIC INSIGHTS. JRNL REF J.BIOL.CHEM. V. 286 10783 2011 JRNL REFN ISSN 0021-9258 JRNL PMID 21247893 JRNL DOI 10.1074/JBC.M110.207043 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0109 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.01 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 85.9 REMARK 3 NUMBER OF REFLECTIONS : 105520 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) : 0.181 REMARK 3 R VALUE (WORKING SET) : 0.179 REMARK 3 FREE R VALUE : 0.214 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 5515 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) : 3884 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 42.51 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE SET COUNT : 177 REMARK 3 BIN FREE R VALUE : 0.2810 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5918 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 169 REMARK 3 SOLVENT ATOMS : 1095 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.92 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : 0.10000 REMARK 3 B33 (A**2) : -0.27000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.17000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.089 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.090 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.054 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.447 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.931 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 6323 ; 0.009 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 8619 ; 1.258 ; 1.970 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 801 ; 6.351 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 292 ;30.420 ;23.014 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 965 ;11.872 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 60 ;15.019 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 929 ; 0.077 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4904 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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): 3854 ; 0.549 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 6185 ; 0.946 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 2469 ; 1.479 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 2418 ; 2.322 ; 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 : 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 2XZK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 26-NOV-10. REMARK 100 THE DEPOSITION ID IS D_1290046414. 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 : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9334 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 129281 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 31.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 86.2 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.9000 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) : 1.54 REMARK 200 COMPLETENESS FOR SHELL (%) : 47.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.80 REMARK 200 R MERGE FOR SHELL (I) : 0.29000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: REFMAC REMARK 200 STARTING MODEL: PDB ENTRY 2XCY REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 29.04000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 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 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 350 REMARK 350 BIOMOLECULE: 2 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: B 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 ILE A 21 REMARK 465 ILE B 21 REMARK 465 ASN B 22 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 ASN A 379 O HOH A 2520 2.07 REMARK 500 NZ LYS A 363 O HOH A 2509 2.17 REMARK 500 OD2 ASP B 84 O HOH B 2128 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 2545 O HOH B 2493 2757 2.11 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 ILE A 60 65.37 66.57 REMARK 500 ASN A 101 15.85 59.59 REMARK 500 ALA A 201 -85.93 -111.21 REMARK 500 ALA A 295 71.65 63.58 REMARK 500 THR A 320 -31.52 -131.26 REMARK 500 ILE B 60 65.96 66.52 REMARK 500 ALA B 201 -84.71 -112.98 REMARK 500 ALA B 295 69.49 64.34 REMARK 500 THR B 320 -34.15 -130.45 REMARK 500 ARG B 323 33.60 -99.34 REMARK 500 ASN B 405 10.55 82.12 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2059 DISTANCE = 6.35 ANGSTROMS REMARK 525 HOH A2121 DISTANCE = 8.26 ANGSTROMS REMARK 525 HOH A2180 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH B2021 DISTANCE = 5.95 ANGSTROMS REMARK 525 HOH B2054 DISTANCE = 6.51 ANGSTROMS 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 NA A 505 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 87 OD1 REMARK 620 2 ASN A 89 OD1 92.4 REMARK 620 3 GLY A 116 O 173.5 86.5 REMARK 620 4 GLY A 118 O 90.4 155.5 88.1 REMARK 620 5 HOH A2158 O 84.5 83.8 101.7 120.7 REMARK 620 6 HOH A2165 O 83.1 73.1 90.5 83.1 153.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA B 507 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 87 OD1 REMARK 620 2 ASN B 89 OD1 96.0 REMARK 620 3 GLY B 116 O 177.3 83.4 REMARK 620 4 GLY B 118 O 92.5 153.2 87.0 REMARK 620 5 HOH B2143 O 90.2 85.5 92.4 120.0 REMARK 620 N 1 2 3 4 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2XZJ RELATED DB: PDB REMARK 900 THE ASPERGILLUS FUMIGATUS SIALIDASE IS A KDNASE: STRUCTURAL AND REMARK 900 MECHANISTIC INSIGHTS REMARK 900 RELATED ID: 2XCY RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF ASPERGILLUS FUMIGATUS SIALIDASE REMARK 900 RELATED ID: 2XZI RELATED DB: PDB REMARK 900 THE ASPERGILLUS FUMIGATUS SIALIDASE IS A KDNASE: STRUCTURAL AND REMARK 900 MECHANISTIC INSIGHTS REMARK 999 REMARK 999 SEQUENCE REMARK 999 CRYSTALLIZED PROTEIN LACKS FIRST 20 AMINO ACIDS (SIGNAL REMARK 999 SEQUENCE). DBREF 2XZK A 21 406 UNP Q4WQS0 Q4WQS0_ASPFU 21 406 DBREF 2XZK B 21 406 UNP Q4WQS0 Q4WQS0_ASPFU 21 406 SEQRES 1 A 386 ILE ASN ASP PRO ALA LYS SER ALA ALA PRO TYR HIS ASP SEQRES 2 A 386 GLU PHE PRO LEU PHE ARG SER ALA ASN MET ALA SER PRO SEQRES 3 A 386 ASP LYS LEU SER THR GLY ILE GLY PHE HIS SER PHE ARG SEQRES 4 A 386 ILE PRO ALA VAL VAL ARG THR THR THR GLY ARG ILE LEU SEQRES 5 A 386 ALA PHE ALA GLU GLY ARG ARG HIS THR ASN GLN ASP PHE SEQRES 6 A 386 GLY ASP ILE ASN LEU VAL TYR LYS ARG THR LYS THR THR SEQRES 7 A 386 ALA ASN ASN GLY ALA SER PRO SER ASP TRP GLU PRO LEU SEQRES 8 A 386 ARG GLU VAL VAL GLY SER GLY ALA GLY THR TRP GLY ASN SEQRES 9 A 386 PRO THR PRO VAL VAL ASP ASP ASP ASN THR ILE TYR LEU SEQRES 10 A 386 PHE LEU SER TRP ASN GLY ALA THR TYR SER GLN ASN GLY SEQRES 11 A 386 LYS ASP VAL LEU PRO ASP GLY THR VAL THR LYS LYS ILE SEQRES 12 A 386 ASP SER THR TRP GLU GLY ARG ARG HIS LEU TYR LEU THR SEQRES 13 A 386 GLU SER ARG ASP ASP GLY ASN THR TRP SER LYS PRO VAL SEQRES 14 A 386 ASP LEU THR LYS GLU LEU THR PRO ASP GLY TRP ALA TRP SEQRES 15 A 386 ASP ALA VAL GLY PRO GLY ASN GLY ILE ARG LEU THR THR SEQRES 16 A 386 GLY GLU LEU VAL ILE PRO ALA MET GLY ARG ASN ILE ILE SEQRES 17 A 386 GLY ARG GLY ALA PRO GLY ASN ARG THR TRP SER VAL GLN SEQRES 18 A 386 ARG LEU SER GLY ALA GLY ALA GLU GLY THR ILE VAL GLN SEQRES 19 A 386 THR PRO ASP GLY LYS LEU TYR ARG ASN ASP ARG PRO SER SEQRES 20 A 386 GLN LYS GLY TYR ARG MET VAL ALA ARG GLY THR LEU GLU SEQRES 21 A 386 GLY PHE GLY ALA PHE ALA PRO ASP ALA GLY LEU PRO ASP SEQRES 22 A 386 PRO ALA CYS GLN GLY SER VAL LEU ARG TYR ASN SER ASP SEQRES 23 A 386 ALA PRO ALA ARG THR ILE PHE LEU ASN SER ALA SER GLY SEQRES 24 A 386 THR SER ARG ARG ALA MET ARG VAL ARG ILE SER TYR ASP SEQRES 25 A 386 ALA ASP ALA LYS LYS PHE ASN TYR GLY ARG LYS LEU GLU SEQRES 26 A 386 ASP ALA LYS VAL SER GLY ALA GLY HIS GLU GLY GLY TYR SEQRES 27 A 386 SER SER MET THR LYS THR GLY ASP TYR LYS ILE GLY ALA SEQRES 28 A 386 LEU VAL GLU SER ASP PHE PHE ASN ASP GLY THR GLY LYS SEQRES 29 A 386 ASN SER TYR ARG ALA ILE ILE TRP ARG ARG PHE ASN LEU SEQRES 30 A 386 SER TRP ILE LEU ASN GLY PRO ASN ASN SEQRES 1 B 386 ILE ASN ASP PRO ALA LYS SER ALA ALA PRO TYR HIS ASP SEQRES 2 B 386 GLU PHE PRO LEU PHE ARG SER ALA ASN MET ALA SER PRO SEQRES 3 B 386 ASP LYS LEU SER THR GLY ILE GLY PHE HIS SER PHE ARG SEQRES 4 B 386 ILE PRO ALA VAL VAL ARG THR THR THR GLY ARG ILE LEU SEQRES 5 B 386 ALA PHE ALA GLU GLY ARG ARG HIS THR ASN GLN ASP PHE SEQRES 6 B 386 GLY ASP ILE ASN LEU VAL TYR LYS ARG THR LYS THR THR SEQRES 7 B 386 ALA ASN ASN GLY ALA SER PRO SER ASP TRP GLU PRO LEU SEQRES 8 B 386 ARG GLU VAL VAL GLY SER GLY ALA GLY THR TRP GLY ASN SEQRES 9 B 386 PRO THR PRO VAL VAL ASP ASP ASP ASN THR ILE TYR LEU SEQRES 10 B 386 PHE LEU SER TRP ASN GLY ALA THR TYR SER GLN ASN GLY SEQRES 11 B 386 LYS ASP VAL LEU PRO ASP GLY THR VAL THR LYS LYS ILE SEQRES 12 B 386 ASP SER THR TRP GLU GLY ARG ARG HIS LEU TYR LEU THR SEQRES 13 B 386 GLU SER ARG ASP ASP GLY ASN THR TRP SER LYS PRO VAL SEQRES 14 B 386 ASP LEU THR LYS GLU LEU THR PRO ASP GLY TRP ALA TRP SEQRES 15 B 386 ASP ALA VAL GLY PRO GLY ASN GLY ILE ARG LEU THR THR SEQRES 16 B 386 GLY GLU LEU VAL ILE PRO ALA MET GLY ARG ASN ILE ILE SEQRES 17 B 386 GLY ARG GLY ALA PRO GLY ASN ARG THR TRP SER VAL GLN SEQRES 18 B 386 ARG LEU SER GLY ALA GLY ALA GLU GLY THR ILE VAL GLN SEQRES 19 B 386 THR PRO ASP GLY LYS LEU TYR ARG ASN ASP ARG PRO SER SEQRES 20 B 386 GLN LYS GLY TYR ARG MET VAL ALA ARG GLY THR LEU GLU SEQRES 21 B 386 GLY PHE GLY ALA PHE ALA PRO ASP ALA GLY LEU PRO ASP SEQRES 22 B 386 PRO ALA CYS GLN GLY SER VAL LEU ARG TYR ASN SER ASP SEQRES 23 B 386 ALA PRO ALA ARG THR ILE PHE LEU ASN SER ALA SER GLY SEQRES 24 B 386 THR SER ARG ARG ALA MET ARG VAL ARG ILE SER TYR ASP SEQRES 25 B 386 ALA ASP ALA LYS LYS PHE ASN TYR GLY ARG LYS LEU GLU SEQRES 26 B 386 ASP ALA LYS VAL SER GLY ALA GLY HIS GLU GLY GLY TYR SEQRES 27 B 386 SER SER MET THR LYS THR GLY ASP TYR LYS ILE GLY ALA SEQRES 28 B 386 LEU VAL GLU SER ASP PHE PHE ASN ASP GLY THR GLY LYS SEQRES 29 B 386 ASN SER TYR ARG ALA ILE ILE TRP ARG ARG PHE ASN LEU SEQRES 30 B 386 SER TRP ILE LEU ASN GLY PRO ASN ASN HET FKD A 500 18 HET K99 A 501 19 HET K99 A 502 19 HET GOL A 503 6 HET NO3 A 504 4 HET NA A 505 1 HET CL A 506 1 HET FKD B 500 18 HET K99 B 501 19 HET K99 B 502 19 HET GOL B 503 6 HET GOL B 504 6 HET GOL B 505 6 HET GOL B 506 6 HET NA B 507 1 HET CL B 508 1 HET K99 B 509 19 HETNAM FKD 3-DEOXY-3-FLUORO-D-ERYTHRO-ALPHA-L-MANNO-NON-2- HETNAM 2 FKD ULOPYRANOSONIC ACID HETNAM K99 (2R,3R,4R,5R,6S)-2,3-BIS(FLUORANYL)-4,5-BIS(OXIDANYL)- HETNAM 2 K99 6-[(1R,2R)-1,2,3-TRIS(OXIDANYL)PROPYL]OXANE-2- HETNAM 3 K99 CARBOXYLIC ACID HETNAM GOL GLYCEROL HETNAM NO3 NITRATE ION HETNAM NA SODIUM ION HETNAM CL CHLORIDE ION HETSYN FKD 3-DEOXY-3-FLUORO-D-ERYTHRO-ALPHA-L-MANNO-NON-2-ULOSONIC HETSYN 2 FKD ACID; 3-DEOXY-3-FLUORO-D-ERYTHRO-L-MANNO-NON-2- HETSYN 3 FKD ULOSONIC ACID; 3-DEOXY-3-FLUORO-D-ERYTHRO-MANNO-NON-2- HETSYN 4 FKD ULOSONIC ACID HETSYN K99 (2R,3R,4R,5R,6S)-2,3-DIFLUORO-4,5-DIHYDROXY-6-[(1R,2R)- HETSYN 2 K99 1,2,3-TRIHYDROXYPROPYL]OXANE-2-CARBOXYLIC ACID HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 FKD 2(C9 H15 F O9) FORMUL 4 K99 5(C9 H14 F2 O8) FORMUL 6 GOL 5(C3 H8 O3) FORMUL 7 NO3 N O3 1- FORMUL 8 NA 2(NA 1+) FORMUL 9 CL 2(CL 1-) FORMUL 20 HOH *1095(H2 O) HELIX 1 1 ASP A 23 ALA A 28 5 6 HELIX 2 2 SER A 104 ASP A 107 5 4 HELIX 3 3 LEU A 191 THR A 196 1 6 HELIX 4 4 GLU A 345 LYS A 348 5 4 HELIX 5 5 ASN A 396 ASN A 402 1 7 HELIX 6 6 ASP B 23 ALA B 28 5 6 HELIX 7 7 SER B 104 ASP B 107 5 4 HELIX 8 8 LEU B 191 THR B 196 1 6 HELIX 9 9 GLU B 345 LYS B 348 5 4 HELIX 10 10 ASN B 396 ASN B 402 1 7 SHEET 1 AA 4 HIS A 32 PHE A 38 0 SHEET 2 AA 4 ARG A 388 PHE A 395 -1 O ILE A 390 N LEU A 37 SHEET 3 AA 4 ILE A 369 ASP A 376 -1 O ILE A 369 N PHE A 395 SHEET 4 AA 4 HIS A 354 LYS A 363 -1 O HIS A 354 N ASP A 376 SHEET 1 AB 4 SER A 57 ARG A 65 0 SHEET 2 AB 4 ILE A 71 ARG A 78 -1 O LEU A 72 N VAL A 64 SHEET 3 AB 4 ILE A 88 ARG A 94 -1 O ASN A 89 N GLY A 77 SHEET 4 AB 4 ARG A 112 VAL A 115 -1 O ARG A 112 N TYR A 92 SHEET 1 AC 4 THR A 121 VAL A 129 0 SHEET 2 AC 4 ILE A 135 ASN A 142 -1 O TYR A 136 N VAL A 128 SHEET 3 AC 4 HIS A 172 SER A 178 -1 O HIS A 172 N TRP A 141 SHEET 4 AC 4 VAL A 189 ASP A 190 -1 O VAL A 189 N LEU A 175 SHEET 1 AD 2 TYR A 146 SER A 147 0 SHEET 2 AD 2 LYS A 161 LYS A 162 1 O LYS A 161 N SER A 147 SHEET 1 AE 4 ILE A 211 ARG A 212 0 SHEET 2 AE 4 LEU A 218 ALA A 222 -1 O VAL A 219 N ILE A 211 SHEET 3 AE 4 ARG A 225 ARG A 230 -1 O ARG A 225 N ALA A 222 SHEET 4 AE 4 THR A 237 ARG A 242 -1 O THR A 237 N ARG A 230 SHEET 1 AF 4 ILE A 252 GLN A 254 0 SHEET 2 AF 4 LEU A 260 ASP A 264 -1 O TYR A 261 N VAL A 253 SHEET 3 AF 4 GLY A 270 THR A 278 -1 O MET A 273 N ASP A 264 SHEET 4 AF 4 GLY A 281 PHE A 282 1 O GLY A 281 N THR A 278 SHEET 1 AG 4 ILE A 252 GLN A 254 0 SHEET 2 AG 4 LEU A 260 ASP A 264 -1 O TYR A 261 N VAL A 253 SHEET 3 AG 4 GLY A 270 THR A 278 -1 O MET A 273 N ASP A 264 SHEET 4 AG 4 ALA A 286 ASP A 293 -1 O ALA A 286 N VAL A 274 SHEET 1 AH 2 GLY A 281 PHE A 282 0 SHEET 2 AH 2 GLY A 270 THR A 278 1 O THR A 278 N GLY A 281 SHEET 1 AI 4 SER A 299 ASN A 304 0 SHEET 2 AI 4 ARG A 310 SER A 316 -1 O ARG A 310 N TYR A 303 SHEET 3 AI 4 MET A 325 SER A 330 -1 O ARG A 326 N ASN A 315 SHEET 4 AI 4 ARG A 342 LYS A 343 -1 O ARG A 342 N VAL A 327 SHEET 1 BA 4 HIS B 32 PHE B 38 0 SHEET 2 BA 4 ARG B 388 PHE B 395 -1 O ILE B 390 N LEU B 37 SHEET 3 BA 4 ILE B 369 ASP B 376 -1 O ILE B 369 N PHE B 395 SHEET 4 BA 4 HIS B 354 LYS B 363 -1 O HIS B 354 N ASP B 376 SHEET 1 BB 4 SER B 57 ARG B 65 0 SHEET 2 BB 4 ILE B 71 ARG B 78 -1 O LEU B 72 N VAL B 64 SHEET 3 BB 4 ILE B 88 ARG B 94 -1 O ASN B 89 N GLY B 77 SHEET 4 BB 4 ARG B 112 VAL B 115 -1 O ARG B 112 N TYR B 92 SHEET 1 BC 4 THR B 121 VAL B 129 0 SHEET 2 BC 4 ILE B 135 ASN B 142 -1 O TYR B 136 N VAL B 128 SHEET 3 BC 4 HIS B 172 SER B 178 -1 O HIS B 172 N TRP B 141 SHEET 4 BC 4 VAL B 189 ASP B 190 -1 O VAL B 189 N LEU B 175 SHEET 1 BD 2 TYR B 146 SER B 147 0 SHEET 2 BD 2 LYS B 161 LYS B 162 1 O LYS B 161 N SER B 147 SHEET 1 BE 4 ILE B 211 ARG B 212 0 SHEET 2 BE 4 LEU B 218 ALA B 222 -1 O VAL B 219 N ILE B 211 SHEET 3 BE 4 ARG B 225 ALA B 232 -1 O ARG B 225 N ALA B 222 SHEET 4 BE 4 ASN B 235 ARG B 242 -1 O ASN B 235 N ALA B 232 SHEET 1 BF 4 ILE B 252 GLN B 254 0 SHEET 2 BF 4 LEU B 260 ASP B 264 -1 O TYR B 261 N VAL B 253 SHEET 3 BF 4 GLY B 270 THR B 278 -1 O MET B 273 N ASP B 264 SHEET 4 BF 4 GLY B 281 PHE B 282 1 O GLY B 281 N THR B 278 SHEET 1 BG 4 ILE B 252 GLN B 254 0 SHEET 2 BG 4 LEU B 260 ASP B 264 -1 O TYR B 261 N VAL B 253 SHEET 3 BG 4 GLY B 270 THR B 278 -1 O MET B 273 N ASP B 264 SHEET 4 BG 4 ALA B 286 ASP B 293 -1 O ALA B 286 N VAL B 274 SHEET 1 BH 2 GLY B 281 PHE B 282 0 SHEET 2 BH 2 GLY B 270 THR B 278 1 O THR B 278 N GLY B 281 SHEET 1 BI 4 SER B 299 ASN B 304 0 SHEET 2 BI 4 ARG B 310 SER B 316 -1 O ARG B 310 N TYR B 303 SHEET 3 BI 4 MET B 325 SER B 330 -1 O ARG B 326 N ASN B 315 SHEET 4 BI 4 ARG B 342 LYS B 343 -1 O ARG B 342 N VAL B 327 LINK OH TYR A 358 C2 FKD A 500 1555 1555 1.75 LINK OH TYR B 358 C2 FKD B 500 1555 1555 1.69 LINK OD1 ASP A 87 NA NA A 505 1555 1555 2.31 LINK OD1 ASN A 89 NA NA A 505 1555 1555 2.42 LINK O GLY A 116 NA NA A 505 1555 1555 2.35 LINK O GLY A 118 NA NA A 505 1555 1555 2.35 LINK NA NA A 505 O HOH A2158 1555 1555 2.60 LINK NA NA A 505 O HOH A2165 1555 1555 2.31 LINK OD1 ASP B 87 NA NA B 507 1555 1555 2.39 LINK OD1 ASN B 89 NA NA B 507 1555 1555 2.43 LINK O GLY B 116 NA NA B 507 1555 1555 2.43 LINK O GLY B 118 NA NA B 507 1555 1555 2.34 LINK NA NA B 507 O HOH B2143 1555 1555 2.57 CISPEP 1 GLY A 206 PRO A 207 0 4.61 CISPEP 2 ALA A 307 PRO A 308 0 -12.47 CISPEP 3 GLY B 206 PRO B 207 0 6.13 CISPEP 4 ALA B 307 PRO B 308 0 -1.22 CRYST1 75.680 58.080 94.450 90.00 100.05 90.00 P 1 21 1 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 0.013214 0.000000 0.002342 0.00000 SCALE2 0.000000 0.017218 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010753 0.00000