PDB Short entry for 1W8N HEADER HYDROLASE 24-SEP-04 1W8N TITLE CONTRIBUTION OF THE ACTIVE SITE ASPARTIC ACID TO CATALYSIS IN THE TITLE 2 BACTERIAL NEURAMINIDASE FROM MICROMONOSPORA VIRIDIFACIENS. COMPND MOL_ID: 1; COMPND 2 MOLECULE: BACTERIAL SIALIDASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 47-647; COMPND 5 EC: 3.2.1.18; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MICROMONOSPORA VIRIDIFACIENS; SOURCE 3 ORGANISM_TAXID: 1881; SOURCE 4 ATCC: 31146; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS GLYCOSIDASE, HYDROLASE, NEURAMINIDASE, BETA- PROPELLER FOLD. EXPDTA X-RAY DIFFRACTION AUTHOR S.NEWSTEAD,J.N.WATSON,V.DOOKHUN,A.J.BENNET,G.TAYLOR REVDAT 7 13-DEC-23 1W8N 1 HETSYN REVDAT 6 29-JUL-20 1W8N 1 COMPND REMARK HETNAM LINK REVDAT 6 2 1 SITE REVDAT 5 05-JUL-17 1W8N 1 REMARK REVDAT 4 13-JUL-11 1W8N 1 VERSN REVDAT 3 24-FEB-09 1W8N 1 VERSN REVDAT 2 10-NOV-04 1W8N 1 JRNL REVDAT 1 30-SEP-04 1W8N 0 JRNL AUTH J.N.WATSON,S.NEWSTEAD,V.DOOKHUN,G.TAYLOR,A.J.BENNET JRNL TITL CONTRIBUTION OF THE ACTIVE SITE ASPARTIC ACID TO CATALYSIS JRNL TITL 2 IN THE BACTERIAL NEURAMINIDASE FROM MICROMONOSPORA JRNL TITL 3 VIRIDIFACIENS JRNL REF FEBS LETT. V. 577 265 2004 JRNL REFN ISSN 0014-5793 JRNL PMID 15527797 JRNL DOI 10.1016/J.FEBSLET.2004.10.016 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 87.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 37473 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) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1984 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.15 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2845 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2040 REMARK 3 BIN FREE R VALUE SET COUNT : 147 REMARK 3 BIN FREE R VALUE : 0.2490 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4531 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 516 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.58000 REMARK 3 B22 (A**2) : -0.08000 REMARK 3 B33 (A**2) : 0.66000 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): 0.202 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.180 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.119 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.467 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.935 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 4695 ; 0.021 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): 4137 ; 0.003 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 6414 ; 1.773 ; 1.945 REMARK 3 BOND ANGLES OTHERS (DEGREES): 9599 ; 0.909 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 600 ; 7.218 ; 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): 713 ; 0.104 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 5369 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 969 ; 0.006 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 949 ; 0.206 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 5276 ; 0.266 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): 2880 ; 0.091 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 436 ; 0.200 ; 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): 14 ; 0.293 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 44 ; 0.312 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 26 ; 0.225 ; 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): 2986 ; 0.929 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4811 ; 1.483 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1709 ; 2.356 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 1603 ; 3.541 ; 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 : 3 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 47 A 402 REMARK 3 ORIGIN FOR THE GROUP (A): 29.0010 43.0860 26.1960 REMARK 3 T TENSOR REMARK 3 T11: 0.1655 T22: 0.1773 REMARK 3 T33: 0.1272 T12: 0.0169 REMARK 3 T13: -0.0017 T23: 0.0511 REMARK 3 L TENSOR REMARK 3 L11: 0.4267 L22: 1.2112 REMARK 3 L33: 1.1207 L12: -0.1779 REMARK 3 L13: 0.0391 L23: -0.4104 REMARK 3 S TENSOR REMARK 3 S11: -0.0136 S12: 0.0264 S13: -0.1110 REMARK 3 S21: 0.1278 S22: -0.0622 S23: -0.0801 REMARK 3 S31: -0.1729 S32: -0.0027 S33: 0.0758 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 403 A 502 REMARK 3 ORIGIN FOR THE GROUP (A): 22.4740 74.4040 8.5290 REMARK 3 T TENSOR REMARK 3 T11: 0.4566 T22: 0.0544 REMARK 3 T33: 0.0092 T12: -0.0160 REMARK 3 T13: -0.0469 T23: -0.0137 REMARK 3 L TENSOR REMARK 3 L11: 1.7131 L22: 1.3392 REMARK 3 L33: 4.0821 L12: 0.3723 REMARK 3 L13: 0.9677 L23: 0.5738 REMARK 3 S TENSOR REMARK 3 S11: -0.2704 S12: 0.0744 S13: 0.0701 REMARK 3 S21: -0.0919 S22: 0.1284 S23: 0.0144 REMARK 3 S31: -0.5011 S32: 0.0243 S33: 0.1420 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 503 A 647 REMARK 3 ORIGIN FOR THE GROUP (A): 8.0880 51.3040 -11.3350 REMARK 3 T TENSOR REMARK 3 T11: 0.2666 T22: 0.1806 REMARK 3 T33: 0.0350 T12: -0.0052 REMARK 3 T13: -0.0555 T23: -0.0110 REMARK 3 L TENSOR REMARK 3 L11: 0.8201 L22: 3.0441 REMARK 3 L33: 1.9636 L12: 0.0891 REMARK 3 L13: -0.4954 L23: 0.9228 REMARK 3 S TENSOR REMARK 3 S11: 0.0049 S12: -0.2312 S13: -0.0996 REMARK 3 S21: 0.1757 S22: -0.1278 S23: -0.0306 REMARK 3 S31: -0.1193 S32: -0.1392 S33: 0.1228 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 1W8N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1290021141. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAY-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : NULL 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 MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU-MSC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 44697 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 19.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 6.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.0 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL 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 <I/SIGMA(I)> 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: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1EUT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.80 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 16 % PEG 3350, 0.2M AMMONIUM CITRATE. 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 23.30100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 71.93250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 55.80400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 71.93250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.30100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 55.80400 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: PQS 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 400 REMARK 400 COMPOUND REMARK 400 ENGINEERED MUTATION IN CHAIN A, ASP 92 TO GLY 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 2214 O HOH A 2275 2.02 REMARK 500 O HOH A 2448 O HOH A 2450 2.08 REMARK 500 O HOH A 2269 O HOH A 2270 2.11 REMARK 500 O HOH A 2468 O HOH A 2471 2.12 REMARK 500 OE2 GLU A 522 O HOH A 2435 2.13 REMARK 500 O6 GAL A 1648 O HOH A 2513 2.13 REMARK 500 O HOH A 2068 O HOH A 2131 2.18 REMARK 500 O HOH A 2112 O HOH A 2224 2.18 REMARK 500 OE2 GLU A 252 O HOH A 2237 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 2218 O HOH A 2492 2565 2.19 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 ALA A 473 CA ALA A 473 CB 0.140 REMARK 500 MET A 509 SD MET A 509 CE -0.361 REMARK 500 MET A 509 SD MET A 509 CE -0.360 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ARG A 187 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 187 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ARG A 202 NE - CZ - NH1 ANGL. DEV. = 6.4 DEGREES REMARK 500 ARG A 202 NE - CZ - NH2 ANGL. DEV. = -8.5 DEGREES REMARK 500 ASP A 242 CB - CG - OD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 ARG A 342 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASP A 447 CB - CG - OD2 ANGL. DEV. = 6.4 DEGREES REMARK 500 ASP A 618 CB - CG - OD2 ANGL. DEV. = 5.7 DEGREES 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 69 83.66 80.09 REMARK 500 ASP A 131 71.23 67.63 REMARK 500 GLN A 151 -94.19 -121.83 REMARK 500 ASP A 259 -159.45 -178.03 REMARK 500 THR A 309 84.05 78.98 REMARK 500 SER A 369 -109.13 -98.04 REMARK 500 ALA A 581 -95.35 -125.53 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 NA A1650 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN A 528 O REMARK 620 2 ASN A 533 O 156.8 REMARK 620 3 THR A 536 O 108.9 89.6 REMARK 620 4 ALA A 639 O 88.2 108.9 81.2 REMARK 620 N 1 2 3 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EUR RELATED DB: PDB REMARK 900 SIALIDASE REMARK 900 RELATED ID: 1EUS RELATED DB: PDB REMARK 900 SIALIDASE COMPLEXED WITH 2-DEOXY-2,3- DEHYDRO-N- ACETYLNEURAMINIC REMARK 900 ACID REMARK 900 RELATED ID: 1EUT RELATED DB: PDB REMARK 900 SIALIDASE, LARGE 68KD FORM, COMPLEXED WITH GALACTOSE REMARK 900 RELATED ID: 1EUU RELATED DB: PDB REMARK 900 SIALIDASE OR NEURAMINIDASE, LARGE 68KD FORM DBREF 1W8N A 47 647 UNP Q02834 NANH_MICVI 47 647 SEQADV 1W8N GLY A 92 UNP Q02834 ASP 92 ENGINEERED MUTATION SEQRES 1 A 601 GLY GLU PRO LEU TYR THR GLU GLN ASP LEU ALA VAL ASN SEQRES 2 A 601 GLY ARG GLU GLY PHE PRO ASN TYR ARG ILE PRO ALA LEU SEQRES 3 A 601 THR VAL THR PRO ASP GLY ASP LEU LEU ALA SER TYR ASP SEQRES 4 A 601 GLY ARG PRO THR GLY ILE GLY ALA PRO GLY PRO ASN SER SEQRES 5 A 601 ILE LEU GLN ARG ARG SER THR ASP GLY GLY ARG THR TRP SEQRES 6 A 601 GLY GLU GLN GLN VAL VAL SER ALA GLY GLN THR THR ALA SEQRES 7 A 601 PRO ILE LYS GLY PHE SER ASP PRO SER TYR LEU VAL ASP SEQRES 8 A 601 ARG GLU THR GLY THR ILE PHE ASN PHE HIS VAL TYR SER SEQRES 9 A 601 GLN ARG GLN GLY PHE ALA GLY SER ARG PRO GLY THR ASP SEQRES 10 A 601 PRO ALA ASP PRO ASN VAL LEU HIS ALA ASN VAL ALA THR SEQRES 11 A 601 SER THR ASP GLY GLY LEU THR TRP SER HIS ARG THR ILE SEQRES 12 A 601 THR ALA ASP ILE THR PRO ASP PRO GLY TRP ARG SER ARG SEQRES 13 A 601 PHE ALA ALA SER GLY GLU GLY ILE GLN LEU ARG TYR GLY SEQRES 14 A 601 PRO HIS ALA GLY ARG LEU ILE GLN GLN TYR THR ILE ILE SEQRES 15 A 601 ASN ALA ALA GLY ALA PHE GLN ALA VAL SER VAL TYR SER SEQRES 16 A 601 ASP ASP HIS GLY ARG THR TRP ARG ALA GLY GLU ALA VAL SEQRES 17 A 601 GLY VAL GLY MET ASP GLU ASN LYS THR VAL GLU LEU SER SEQRES 18 A 601 ASP GLY ARG VAL LEU LEU ASN SER ARG ASP SER ALA ARG SEQRES 19 A 601 SER GLY TYR ARG LYS VAL ALA VAL SER THR ASP GLY GLY SEQRES 20 A 601 HIS SER TYR GLY PRO VAL THR ILE ASP ARG ASP LEU PRO SEQRES 21 A 601 ASP PRO THR ASN ASN ALA SER ILE ILE ARG ALA PHE PRO SEQRES 22 A 601 ASP ALA PRO ALA GLY SER ALA ARG ALA LYS VAL LEU LEU SEQRES 23 A 601 PHE SER ASN ALA ALA SER GLN THR SER ARG SER GLN GLY SEQRES 24 A 601 THR ILE ARG MET SER CYS ASP ASP GLY GLN THR TRP PRO SEQRES 25 A 601 VAL SER LYS VAL PHE GLN PRO GLY SER MET SER TYR SER SEQRES 26 A 601 THR LEU THR ALA LEU PRO ASP GLY THR TYR GLY LEU LEU SEQRES 27 A 601 TYR GLU PRO GLY THR GLY ILE ARG TYR ALA ASN PHE ASN SEQRES 28 A 601 LEU ALA TRP LEU GLY GLY ILE CYS ALA PRO PHE THR ILE SEQRES 29 A 601 PRO ASP VAL ALA LEU GLU PRO GLY GLN GLN VAL THR VAL SEQRES 30 A 601 PRO VAL ALA VAL THR ASN GLN SER GLY ILE ALA VAL PRO SEQRES 31 A 601 LYS PRO SER LEU GLN LEU ASP ALA SER PRO ASP TRP GLN SEQRES 32 A 601 VAL GLN GLY SER VAL GLU PRO LEU MET PRO GLY ARG GLN SEQRES 33 A 601 ALA LYS GLY GLN VAL THR ILE THR VAL PRO ALA GLY THR SEQRES 34 A 601 THR PRO GLY ARG TYR ARG VAL GLY ALA THR LEU ARG THR SEQRES 35 A 601 SER ALA GLY ASN ALA SER THR THR PHE THR VAL THR VAL SEQRES 36 A 601 GLY LEU LEU ASP GLN ALA ARG MET SER ILE ALA ASP VAL SEQRES 37 A 601 ASP SER GLU GLU THR ALA ARG GLU ASP GLY ARG ALA SER SEQRES 38 A 601 ASN VAL ILE ASP GLY ASN PRO SER THR PHE TRP HIS THR SEQRES 39 A 601 GLU TRP SER ARG ALA ASP ALA PRO GLY TYR PRO HIS ARG SEQRES 40 A 601 ILE SER LEU ASP LEU GLY GLY THR HIS THR ILE SER GLY SEQRES 41 A 601 LEU GLN TYR THR ARG ARG GLN ASN SER ALA ASN GLU GLN SEQRES 42 A 601 VAL ALA ASP TYR GLU ILE TYR THR SER LEU ASN GLY THR SEQRES 43 A 601 THR TRP ASP GLY PRO VAL ALA SER GLY ARG PHE THR THR SEQRES 44 A 601 SER LEU ALA PRO GLN ARG ALA VAL PHE PRO ALA ARG ASP SEQRES 45 A 601 ALA ARG TYR ILE ARG LEU VAL ALA LEU SER GLU GLN THR SEQRES 46 A 601 GLY HIS LYS TYR ALA ALA VAL ALA GLU LEU GLU VAL GLU SEQRES 47 A 601 GLY GLN ARG HET GAL A1648 12 HET DAN A1649 20 HET NA A1650 1 HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM DAN 2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC ACID HETNAM NA SODIUM ION HETSYN GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE HETSYN DAN NEU5AC2EN FORMUL 2 GAL C6 H12 O6 FORMUL 3 DAN C11 H17 N O8 FORMUL 4 NA NA 1+ FORMUL 5 HOH *516(H2 O) HELIX 1 1 THR A 190 ILE A 193 5 4 HELIX 2 2 SER A 325 LYS A 329 5 5 HELIX 3 3 ASN A 397 GLY A 402 1 6 HELIX 4 4 ASP A 505 MET A 509 5 5 HELIX 5 5 ARG A 525 ASP A 531 5 7 SHEET 1 AA 4 TYR A 51 VAL A 58 0 SHEET 2 AA 4 GLY A 390 PHE A 396 -1 O ILE A 391 N LEU A 56 SHEET 3 AA 4 TYR A 381 TYR A 385 -1 O TYR A 381 N PHE A 396 SHEET 4 AA 4 SER A 371 ALA A 375 -1 O THR A 372 N LEU A 384 SHEET 1 AB 4 TYR A 67 VAL A 74 0 SHEET 2 AB 4 LEU A 80 GLY A 86 -1 O LEU A 81 N THR A 73 SHEET 3 AB 4 SER A 98 SER A 104 -1 O SER A 98 N GLY A 86 SHEET 4 AB 4 GLN A 115 SER A 118 -1 O GLN A 115 N GLN A 101 SHEET 1 AC 5 SER A 185 THR A 188 0 SHEET 2 AC 5 HIS A 171 SER A 177 -1 O VAL A 174 N ARG A 187 SHEET 3 AC 5 ILE A 143 SER A 150 -1 O ILE A 143 N SER A 177 SHEET 4 AC 5 GLY A 128 VAL A 136 -1 O GLY A 128 N SER A 150 SHEET 5 AC 5 GLY A 207 GLU A 208 1 O GLY A 207 N TYR A 134 SHEET 1 AD 3 SER A 201 ALA A 204 0 SHEET 2 AD 3 LEU A 221 ILE A 228 -1 O THR A 226 N PHE A 203 SHEET 3 AD 3 ILE A 210 GLN A 211 -1 O ILE A 210 N ILE A 222 SHEET 1 AE 4 SER A 201 ALA A 204 0 SHEET 2 AE 4 LEU A 221 ILE A 228 -1 O THR A 226 N PHE A 203 SHEET 3 AE 4 PHE A 234 SER A 241 -1 O GLN A 235 N ILE A 227 SHEET 4 AE 4 ARG A 249 ALA A 250 -1 O ARG A 249 N TYR A 240 SHEET 1 AF 4 ASN A 261 GLU A 265 0 SHEET 2 AF 4 VAL A 271 SER A 275 -1 O LEU A 272 N VAL A 264 SHEET 3 AF 4 TYR A 283 SER A 289 -1 O LYS A 285 N SER A 275 SHEET 4 AF 4 THR A 300 PRO A 306 -1 O THR A 300 N VAL A 286 SHEET 1 AG 4 SER A 313 ARG A 316 0 SHEET 2 AG 4 LEU A 331 ALA A 336 -1 O LEU A 332 N ILE A 315 SHEET 3 AG 4 SER A 343 SER A 350 -1 O THR A 346 N ASN A 335 SHEET 4 AG 4 VAL A 359 SER A 367 -1 O VAL A 359 N MET A 349 SHEET 1 AH 4 PHE A 408 THR A 409 0 SHEET 2 AH 4 GLN A 420 THR A 428 -1 O ALA A 426 N THR A 409 SHEET 3 AH 4 GLN A 462 THR A 470 -1 O ALA A 463 N VAL A 427 SHEET 4 AH 4 GLN A 449 VAL A 454 -1 O GLN A 449 N THR A 470 SHEET 1 AI 4 VAL A 413 LEU A 415 0 SHEET 2 AI 4 ALA A 493 VAL A 501 1 O THR A 498 N VAL A 413 SHEET 3 AI 4 GLY A 478 ARG A 487 -1 O GLY A 478 N VAL A 501 SHEET 4 AI 4 SER A 439 ASP A 443 -1 O SER A 439 N ARG A 487 SHEET 1 AJ 5 SER A 510 VAL A 514 0 SHEET 2 AJ 5 HIS A 552 ARG A 571 -1 O SER A 555 N ALA A 512 SHEET 3 AJ 5 GLN A 610 ALA A 626 -1 O GLN A 610 N TYR A 569 SHEET 4 AJ 5 ASP A 582 SER A 588 -1 O GLU A 584 N VAL A 625 SHEET 5 AJ 5 ASP A 595 ARG A 602 -1 O ASP A 595 N THR A 587 SHEET 1 AK 4 SER A 510 VAL A 514 0 SHEET 2 AK 4 HIS A 552 ARG A 571 -1 O SER A 555 N ALA A 512 SHEET 3 AK 4 ALA A 637 GLY A 645 -1 N ALA A 639 O THR A 570 SHEET 4 AK 4 TRP A 538 HIS A 539 -1 O TRP A 538 N VAL A 638 SSBOND 1 CYS A 351 CYS A 405 1555 1555 2.01 LINK O ASN A 528 NA NA A1650 1555 1555 2.45 LINK O ASN A 533 NA NA A1650 1555 1555 2.40 LINK O THR A 536 NA NA A1650 1555 1555 2.55 LINK O ALA A 639 NA NA A1650 1555 1555 2.46 CISPEP 1 ALA A 93 PRO A 94 0 7.77 CISPEP 2 ALA A 124 PRO A 125 0 1.19 CISPEP 3 TYR A 550 PRO A 551 0 -2.33 CISPEP 4 GLY A 596 PRO A 597 0 7.55 CRYST1 46.602 111.608 143.865 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 0.021458 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008960 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006951 0.00000