HEADER HYDROLASE (O-GLYCOSYL) 12-DEC-94 1IVB TITLE STRUCTURES OF AROMATIC INHIBITORS OF INFLUENZA VIRUS NEURAMINIDASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: INFLUENZA VIRUS B/LEE/40 NEURAMINIDASE; COMPND 3 CHAIN: A; COMPND 4 EC: 3.2.1.18; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: INFLUENZA B VIRUS; SOURCE 3 ORGANISM_TAXID: 11520 KEYWDS HYDROLASE (O-GLYCOSYL) EXPDTA X-RAY DIFFRACTION AUTHOR M.J.JEDRZEJAS,M.LUO REVDAT 5 23-OCT-24 1IVB 1 HETSYN REVDAT 4 29-JUL-20 1IVB 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 LINK SITE REVDAT 3 13-JUL-11 1IVB 1 VERSN REVDAT 2 24-FEB-09 1IVB 1 VERSN REVDAT 1 31-MAR-95 1IVB 0 JRNL AUTH M.J.JEDRZEJAS,S.SINGH,W.J.BROUILLETTE,W.G.LAVER,G.M.AIR, JRNL AUTH 2 M.LUO JRNL TITL STRUCTURES OF AROMATIC INHIBITORS OF INFLUENZA VIRUS JRNL TITL 2 NEURAMINIDASE. JRNL REF BIOCHEMISTRY V. 34 3144 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7880809 JRNL DOI 10.1021/BI00010A003 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.SINGH,M.J.JEDRZEJAS,G.M.AIR,M.LUO,W.G.LAVER, REMARK 1 AUTH 2 W.J.BROUILLETTE REMARK 1 TITL STRUCTURE-BASED INHIBITORS OF INFLUENZA VIRAL NEURAMINIDASE. REMARK 1 TITL 2 A BENZOIC ACID LEAD WITH NOVEL INTERACTION REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH M.N.JANAKIRAMAN,C.L.WHITE,W.G.LAVER,G.M.AIR,M.LUO REMARK 1 TITL STRUCTURE OF INFLUENZA VIRUS NEURAMINIDASE REMARK 1 TITL 2 B(SLASH)LEE(SLASH)40 COMPLEXED WITH SIALIC ACID AND A REMARK 1 TITL 3 DEHYDRO ANALOG AT 1.8 ANGSTROMS RESOLUTION: IMPLICATIONS FOR REMARK 1 TITL 4 THE CATALYTIC MECHANISM REMARK 1 REF BIOCHEMISTRY V. 33 8172 1994 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH J.N.VARGHESE,P.M.COLMAN REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF THE NEURAMINIDASE OF REMARK 1 TITL 2 INFLUENZA VIRUS A(SLASH)TOKYO(SLASH)3(SLASH)67 AT 2.2 REMARK 1 TITL 3 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 221 473 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH W.R.TULIP,J.N.VARGHESE,A.T.BAKER,A.VAN DONKELAAR,W.G.LAVER, REMARK 1 AUTH 2 R.G.WEBSTER,P.M.COLMAN REMARK 1 TITL REFINED ATOMIC STRUCTURES OF N9 SUBTYPE INFLUENZA VIRUS REMARK 1 TITL 2 NEURAMINIDASE AND ESCAPE MUTANTS REMARK 1 REF J.MOL.BIOL. V. 221 487 1991 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 4.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14129 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3040 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.142 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1IVB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174274. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15271 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NATIVE CRYSTALS SOAKED IN 5MM BANA105 REMARK 280 SOLUTION, PH 7.4. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z REMARK 290 4555 Y+1/2,-X+1/2,Z REMARK 290 5555 -X+1/2,Y+1/2,-Z REMARK 290 6555 X+1/2,-Y+1/2,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 62.27000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 62.27000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 62.27000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 62.27000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 62.27000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 62.27000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 62.27000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 62.27000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 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 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 18500 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 46240 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -98.0 KCAL/MOL 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 BIOMT1 2 -1.000000 0.000000 0.000000 124.54000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 62.27000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 -62.27000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 62.27000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 62.27000 REMARK 350 BIOMT3 4 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 CA CA A 501 LIES ON A SPECIAL POSITION. REMARK 450 REMARK 450 SOURCE REMARK 450 MOLECULE_NAME: BANA105 SYNTHETIC. SEE SINGH ET AL. REMARK 450 (SUBMITTED TO J. MED CHEM.) AND JEDRZEJAS ET AL. REMARK 450 (ACCEPTED BY BIOCHEMISTRY, 1994) FOR SYNTHESIS REMARK 450 INFORMATION. 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 CYS A 229 CA - CB - SG ANGL. DEV. = 8.2 DEGREES REMARK 500 ALA A 290 N - CA - C ANGL. DEV. = -17.2 DEGREES REMARK 500 TYR A 296 N - CA - C ANGL. DEV. = 16.6 DEGREES REMARK 500 LEU A 379 CA - CB - CG ANGL. DEV. = 22.8 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 ARG A 84 -166.01 -119.45 REMARK 500 ALA A 95 -66.76 -93.83 REMARK 500 TYR A 142 32.54 -148.19 REMARK 500 ARG A 154 150.17 -49.51 REMARK 500 ASP A 184 33.80 -76.44 REMARK 500 ASP A 199 62.48 -150.96 REMARK 500 ASN A 220 74.08 -167.19 REMARK 500 ILE A 221 75.27 57.34 REMARK 500 GLU A 226 12.56 80.49 REMARK 500 ASP A 242 130.03 -177.89 REMARK 500 LYS A 263 144.68 -175.16 REMARK 500 HIS A 273 89.00 -150.17 REMARK 500 SER A 283 -169.54 148.83 REMARK 500 CYS A 291 -157.61 -131.20 REMARK 500 SER A 295 -114.73 -100.83 REMARK 500 TYR A 296 -30.46 -12.78 REMARK 500 LEU A 345 101.76 -36.57 REMARK 500 ARG A 374 38.27 -97.18 REMARK 500 ARG A 382 115.29 -175.43 REMARK 500 ASP A 384 -153.13 57.34 REMARK 500 ASP A 390 101.89 -56.35 REMARK 500 ASP A 392 159.90 -42.23 REMARK 500 TRP A 408 -126.57 -100.50 REMARK 500 ASP A 436 60.04 -113.10 REMARK 500 THR A 437 -159.78 -158.76 REMARK 500 MET A 464 2.34 -65.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 237 0.09 SIDE CHAIN REMARK 500 TYR A 365 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 TWO CALCIUMS ATOMS ARE INCLUDED IN THE REFINED STRUCTURE. REMARK 600 CA 500 STABILIZES A LOOP NEAR THE NEURAMINIDASE ACTIVE REMARK 600 SITE, WHILE CA 501 IS LOCATED ON THE REMARK 600 CRYSTALLOGRAPHIC/NEURAMINIDASE TETRAMER FOUR-FOLD AXIS. REMARK 600 REMARK 600 THE EQUATORIAL PHOSPHONATE INHIBITOR IS RESIDUE EQP 500. 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 CA A 501 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 168 OE1 REMARK 620 2 GLU A 168 OE1 149.4 REMARK 620 3 GLU A 168 OE1 86.0 86.0 REMARK 620 4 GLU A 168 OE1 86.0 86.0 149.4 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 500 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 293 O REMARK 620 2 THR A 297 O 83.1 REMARK 620 3 ASP A 324 OD2 76.9 91.5 REMARK 620 4 TRP A 344 O 130.4 104.0 149.4 REMARK 620 5 GLY A 346 O 86.9 158.5 104.8 68.6 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: SUBSTRATE (SIALIC ACID) BINDING RESIDUES IN REMARK 800 CATALYTIC SITE DBREF 1IVB A 77 466 UNP P03474 NRAM_INBLE 77 466 SEQADV 1IVB ARG A 382 UNP P03474 LYS 382 CONFLICT SEQRES 1 A 390 GLU PRO GLU TRP THR TYR PRO ARG LEU SER CYS GLN GLY SEQRES 2 A 390 SER THR PHE GLN LYS ALA LEU LEU ILE SER PRO HIS ARG SEQRES 3 A 390 PHE GLY GLU ILE LYS GLY ASN SER ALA PRO LEU ILE ILE SEQRES 4 A 390 ARG GLU PRO PHE VAL ALA CYS GLY PRO LYS GLU CYS ARG SEQRES 5 A 390 HIS PHE ALA LEU THR HIS TYR ALA ALA GLN PRO GLY GLY SEQRES 6 A 390 TYR TYR ASN GLY THR ARG LYS ASP ARG ASN LYS LEU ARG SEQRES 7 A 390 HIS LEU VAL SER VAL LYS LEU GLY LYS ILE PRO THR VAL SEQRES 8 A 390 GLU ASN SER ILE PHE HIS MET ALA ALA TRP SER GLY SER SEQRES 9 A 390 ALA CYS HIS ASP GLY ARG GLU TRP THR TYR ILE GLY VAL SEQRES 10 A 390 ASP GLY PRO ASP ASN ASP ALA LEU VAL LYS ILE LYS TYR SEQRES 11 A 390 GLY GLU ALA TYR THR ASP THR TYR HIS SER TYR ALA HIS SEQRES 12 A 390 ASN ILE LEU ARG THR GLN GLU SER ALA CYS ASN CYS ILE SEQRES 13 A 390 GLY GLY ASP CYS TYR LEU MET ILE THR ASP GLY SER ALA SEQRES 14 A 390 SER GLY ILE SER LYS CYS ARG PHE LEU LYS ILE ARG GLU SEQRES 15 A 390 GLY ARG ILE ILE LYS GLU ILE LEU PRO THR GLY ARG VAL SEQRES 16 A 390 GLU HIS THR GLU GLU CYS THR CYS GLY PHE ALA SER ASN SEQRES 17 A 390 LYS THR ILE GLU CYS ALA CYS ARG ASP ASN SER TYR THR SEQRES 18 A 390 ALA LYS ARG PRO PHE VAL LYS LEU ASN VAL GLU THR ASP SEQRES 19 A 390 THR ALA GLU ILE ARG LEU MET CYS THR LYS THR TYR LEU SEQRES 20 A 390 ASP THR PRO ARG PRO ASP ASP GLY SER ILE ALA GLY PRO SEQRES 21 A 390 CYS GLU SER ASN GLY ASP LYS TRP LEU GLY GLY ILE LYS SEQRES 22 A 390 GLY GLY PHE VAL HIS GLN ARG MET ALA SER LYS ILE GLY SEQRES 23 A 390 ARG TRP TYR SER ARG THR MET SER LYS THR ASN ARG MET SEQRES 24 A 390 GLY MET GLU LEU TYR VAL ARG TYR ASP GLY ASP PRO TRP SEQRES 25 A 390 THR ASP SER ASP ALA LEU THR LEU SER GLY VAL MET VAL SEQRES 26 A 390 SER ILE GLU GLU PRO GLY TRP TYR SER PHE GLY PHE GLU SEQRES 27 A 390 ILE LYS ASP LYS LYS CYS ASP VAL PRO CYS ILE GLY ILE SEQRES 28 A 390 GLU MET VAL HIS ASP GLY GLY LYS ASP THR TRP HIS SER SEQRES 29 A 390 ALA ALA THR ALA ILE TYR CYS LEU MET GLY SER GLY GLN SEQRES 30 A 390 LEU LEU TRP ASP THR VAL THR GLY VAL ASP MET ALA LEU MODRES 1IVB ASN A 284 ASN GLYCOSYLATION SITE HET NAG A 467 28 HET CA A 500 1 HET CA A 501 1 HET ST1 A 471 19 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM CA CALCIUM ION HETNAM ST1 4-(ACETYLAMINO)-3-HYDROXY-5-NITROBENZOIC ACID HETSYN NAG N-ACETYL-BETA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY-BETA- HETSYN 2 NAG D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2-ACETAMIDO- HETSYN 3 NAG 2-DEOXY-GLUCOSE; N-ACETYL-D-GLUCOSAMINE FORMUL 2 NAG C8 H15 N O6 FORMUL 3 CA 2(CA 2+) FORMUL 5 ST1 C9 H8 N2 O6 HELIX 1 1 PRO A 100 PHE A 103 5 4 SHEET 1 A 4 PHE A 119 CYS A 122 0 SHEET 2 A 4 CYS A 127 THR A 133 -1 N PHE A 130 O PHE A 119 SHEET 3 A 4 HIS A 155 LYS A 160 -1 N VAL A 159 O HIS A 129 SHEET 4 A 4 ILE A 171 ALA A 175 -1 N MET A 174 O LEU A 156 SHEET 1 B 4 SER A 178 HIS A 183 0 SHEET 2 B 4 TRP A 188 PRO A 196 -1 N VAL A 193 O SER A 178 SHEET 3 B 4 ASP A 199 TYR A 206 -1 N LYS A 205 O TYR A 190 SHEET 4 B 4 ALA A 209 HIS A 215 -1 N TYR A 214 O VAL A 202 SHEET 1 C 4 ASN A 230 ILE A 232 0 SHEET 2 C 4 ASP A 235 ILE A 240 -1 N TYR A 237 O ASN A 230 SHEET 3 C 4 ARG A 252 ILE A 256 -1 N ILE A 256 O CYS A 236 SHEET 4 C 4 ILE A 261 LEU A 266 -1 N ILE A 265 O PHE A 253 SHEET 1 D 4 THR A 278 PHE A 281 0 SHEET 2 D 4 THR A 286 ALA A 290 -1 N ALA A 290 O THR A 278 SHEET 3 D 4 PRO A 301 ASN A 306 -1 N LEU A 305 O ILE A 287 SHEET 4 D 4 THR A 311 LEU A 316 -1 N ARG A 315 O PHE A 302 SHEET 1 E 3 PHE A 352 ARG A 356 0 SHEET 2 E 3 ILE A 361 ARG A 367 -1 N TRP A 364 O VAL A 353 SHEET 3 E 3 GLU A 378 TYR A 383 -1 N ARG A 382 O ARG A 363 SHEET 1 F 4 SER A 410 LYS A 416 0 SHEET 2 F 4 ASP A 421 ASP A 432 -1 N GLY A 426 O PHE A 411 SHEET 3 F 4 HIS A 439 LEU A 448 -1 N TYR A 446 O ILE A 425 SHEET 4 F 4 PHE A 92 ILE A 98 -1 N ILE A 98 O THR A 443 SSBOND 1 CYS A 87 CYS A 420 1555 1555 2.02 SSBOND 2 CYS A 122 CYS A 127 1555 1555 2.04 SSBOND 3 CYS A 182 CYS A 229 1555 1555 2.02 SSBOND 4 CYS A 231 CYS A 236 1555 1555 2.02 SSBOND 5 CYS A 277 CYS A 291 1555 1555 2.03 SSBOND 6 CYS A 279 CYS A 289 1555 1555 2.03 SSBOND 7 CYS A 318 CYS A 337 1555 1555 2.02 SSBOND 8 CYS A 424 CYS A 447 1555 1555 2.05 LINK ND2 ASN A 284 C1 NAG A 467 1555 1555 1.48 LINK OE1 GLU A 168 CA CA A 501 1555 1555 2.44 LINK OE1 GLU A 168 CA CA A 501 2655 1555 2.44 LINK OE1 GLU A 168 CA CA A 501 4555 1555 2.44 LINK OE1 GLU A 168 CA CA A 501 3545 1555 2.44 LINK O ASP A 293 CA CA A 500 1555 1555 2.84 LINK O THR A 297 CA CA A 500 1555 1555 2.57 LINK OD2 ASP A 324 CA CA A 500 1555 1555 2.44 LINK O TRP A 344 CA CA A 500 1555 1555 3.37 LINK O GLY A 346 CA CA A 500 1555 1555 1.89 CISPEP 1 GLN A 138 PRO A 139 0 0.00 CISPEP 2 THR A 325 PRO A 326 0 0.49 SITE 1 CAT 11 ARG A 116 GLU A 117 ASP A 149 ARG A 150 SITE 2 CAT 11 TRP A 177 ILE A 221 ARG A 223 GLU A 275 SITE 3 CAT 11 ARG A 292 ARG A 374 TYR A 409 CRYST1 124.540 124.540 71.820 90.00 90.00 90.00 P 4 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 0.008030 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008030 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013924 0.00000