HEADER HYDROLASE 14-NOV-05 2F0Z TITLE CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 IN COMPLEX WITH TITLE 2 ZANAMIVIR INHIBITOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIDASE 2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: NEU2, CYTOSOLIC SIALIDASE, N-ACETYL-ALPHA- NEURAMINIDASE 2; COMPND 5 EC: 3.2.1.18; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-2T KEYWDS SIALIDASE, NEURAMINIDASE, INFLUENZA VIRUS, ZANAMIVIR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR L.M.G.CHAVAS,R.KATO,J.MCKIMM-BRESCHKIN,P.M.COLMAN,P.FUSI,C.TRINGALI, AUTHOR 2 B.VENERANDO,G.TETTAMANTI,E.MONTI,S.WAKATSUKI REVDAT 3 29-JUL-20 2F0Z 1 REMARK SEQADV SITE REVDAT 2 24-FEB-09 2F0Z 1 VERSN REVDAT 1 21-NOV-06 2F0Z 0 JRNL AUTH L.M.G.CHAVAS,R.KATO,J.MCKIMM-BRESCHKIN,P.M.COLMAN,P.FUSI, JRNL AUTH 2 C.TRINGALI,B.VENERANDO,G.TETTAMANTI,E.MONTI,S.WAKATSUKI JRNL TITL CRYSTAL STRUCTURE OF THE HUMAN SIALIDASE NEU2 IN COMPLEX JRNL TITL 2 WITH ZANAMIVIR INHIBITOR JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.1 REMARK 3 NUMBER OF REFLECTIONS : 8024 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.280 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 441 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 : 2806 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 78 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.39 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.26600 REMARK 3 B22 (A**2) : -4.28300 REMARK 3 B33 (A**2) : 3.01700 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.373 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 56.01 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : ZMR_REP.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2F0Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-NOV-05. REMARK 100 THE DEPOSITION ID IS D_1000035317. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-MAR-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9780 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8465 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 60.860 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.11500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.42200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.600 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: PDB ENTRY 1SNT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SODIUM/POTASSIUM PHOSPHATE, PH 8.0, REMARK 280 VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 283K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 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 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 46.04500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.04500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 42.75500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 42.84000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 42.75500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 42.84000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 46.04500 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 42.75500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 42.84000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 46.04500 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 42.75500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 42.84000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE OBSERVED MONOMER REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 457 LIES ON A SPECIAL POSITION. 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 GLY A -1 REMARK 465 SER A 0 REMARK 465 MET A 1 REMARK 465 ALA A 2 REMARK 465 ALA A 42 REMARK 465 SER A 43 REMARK 465 LYS A 44 REMARK 465 LYS A 45 REMARK 465 ASP A 46 REMARK 465 GLU A 47 REMARK 465 HIS A 48 REMARK 465 HIS A 185 REMARK 465 PRO A 186 REMARK 465 ILE A 187 REMARK 465 GLN A 188 REMARK 465 THR A 226 REMARK 465 GLY A 227 REMARK 465 GLU A 228 REMARK 465 SER A 284 REMARK 465 GLY A 285 REMARK 465 PRO A 286 REMARK 465 GLY A 287 REMARK 465 SER A 288 REMARK 465 LEU A 378 REMARK 465 PRO A 379 REMARK 465 GLN A 380 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 PRO A 268 C - N - CA ANGL. DEV. = 10.9 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 LYS A 9 83.71 -152.69 REMARK 500 ILE A 22 71.64 60.72 REMARK 500 GLU A 50 -80.98 -158.32 REMARK 500 ASN A 86 73.33 52.34 REMARK 500 HIS A 132 56.07 71.42 REMARK 500 THR A 143 -72.15 -39.86 REMARK 500 THR A 156 165.08 173.91 REMARK 500 PRO A 190 109.76 -28.73 REMARK 500 GLN A 214 166.82 -39.14 REMARK 500 ASP A 215 87.16 33.53 REMARK 500 LEU A 217 -134.12 -104.32 REMARK 500 PRO A 268 -68.59 -22.34 REMARK 500 PRO A 269 -96.53 -29.18 REMARK 500 GLN A 270 23.79 -140.59 REMARK 500 HIS A 297 149.88 -173.34 REMARK 500 ASP A 306 68.47 60.85 REMARK 500 ARG A 314 50.87 -143.49 REMARK 500 ALA A 317 111.40 -37.05 REMARK 500 GLU A 319 0.65 -69.35 REMARK 500 ALA A 333 -120.91 -110.68 REMARK 500 PRO A 374 -0.30 -58.92 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SNT RELATED DB: PDB REMARK 900 HUMAN NEU2 APO-FORM REMARK 900 RELATED ID: 1SO7 RELATED DB: PDB REMARK 900 HUMAN NEU2 SUGAR-INDUCED FORM REMARK 900 RELATED ID: 1VCU RELATED DB: PDB REMARK 900 HUMAN NEU2-DANA COMPLEX REMARK 900 RELATED ID: 2F10 RELATED DB: PDB REMARK 900 RELATED ID: 2F11 RELATED DB: PDB REMARK 900 RELATED ID: 2F12 RELATED DB: PDB REMARK 900 RELATED ID: 2F13 RELATED DB: PDB REMARK 900 RELATED ID: 2F24 RELATED DB: PDB REMARK 900 RELATED ID: 2F25 RELATED DB: PDB REMARK 900 RELATED ID: 2F26 RELATED DB: PDB REMARK 900 RELATED ID: 2F27 RELATED DB: PDB REMARK 900 RELATED ID: 2F28 RELATED DB: PDB REMARK 900 RELATED ID: 2F29 RELATED DB: PDB DBREF 2F0Z A 1 380 UNP Q9Y3R4 NEUR2_HUMAN 1 380 SEQADV 2F0Z GLY A -1 UNP Q9Y3R4 CLONING ARTIFACT SEQADV 2F0Z SER A 0 UNP Q9Y3R4 CLONING ARTIFACT SEQRES 1 A 382 GLY SER MET ALA SER LEU PRO VAL LEU GLN LYS GLU SER SEQRES 2 A 382 VAL PHE GLN SER GLY ALA HIS ALA TYR ARG ILE PRO ALA SEQRES 3 A 382 LEU LEU TYR LEU PRO GLY GLN GLN SER LEU LEU ALA PHE SEQRES 4 A 382 ALA GLU GLN ARG ALA SER LYS LYS ASP GLU HIS ALA GLU SEQRES 5 A 382 LEU ILE VAL LEU ARG ARG GLY ASP TYR ASP ALA PRO THR SEQRES 6 A 382 HIS GLN VAL GLN TRP GLN ALA GLN GLU VAL VAL ALA GLN SEQRES 7 A 382 ALA ARG LEU ASP GLY HIS ARG SER MET ASN PRO CYS PRO SEQRES 8 A 382 LEU TYR ASP ALA GLN THR GLY THR LEU PHE LEU PHE PHE SEQRES 9 A 382 ILE ALA ILE PRO GLY GLN VAL THR GLU GLN GLN GLN LEU SEQRES 10 A 382 GLN THR ARG ALA ASN VAL THR ARG LEU CYS GLN VAL THR SEQRES 11 A 382 SER THR ASP HIS GLY ARG THR TRP SER SER PRO ARG ASP SEQRES 12 A 382 LEU THR ASP ALA ALA ILE GLY PRO ALA TYR ARG GLU TRP SEQRES 13 A 382 SER THR PHE ALA VAL GLY PRO GLY HIS CYS LEU GLN LEU SEQRES 14 A 382 ASN ASP ARG ALA ARG SER LEU VAL VAL PRO ALA TYR ALA SEQRES 15 A 382 TYR ARG LYS LEU HIS PRO ILE GLN ARG PRO ILE PRO SER SEQRES 16 A 382 ALA PHE CYS PHE LEU SER HIS ASP HIS GLY ARG THR TRP SEQRES 17 A 382 ALA ARG GLY HIS PHE VAL ALA GLN ASP THR LEU GLU CYS SEQRES 18 A 382 GLN VAL ALA GLU VAL GLU THR GLY GLU GLN ARG VAL VAL SEQRES 19 A 382 THR LEU ASN ALA ARG SER HIS LEU ARG ALA ARG VAL GLN SEQRES 20 A 382 ALA GLN SER THR ASN ASP GLY LEU ASP PHE GLN GLU SER SEQRES 21 A 382 GLN LEU VAL LYS LYS LEU VAL GLU PRO PRO PRO GLN GLY SEQRES 22 A 382 CYS GLN GLY SER VAL ILE SER PHE PRO SER PRO ARG SER SEQRES 23 A 382 GLY PRO GLY SER PRO ALA GLN TRP LEU LEU TYR THR HIS SEQRES 24 A 382 PRO THR HIS SER TRP GLN ARG ALA ASP LEU GLY ALA TYR SEQRES 25 A 382 LEU ASN PRO ARG PRO PRO ALA PRO GLU ALA TRP SER GLU SEQRES 26 A 382 PRO VAL LEU LEU ALA LYS GLY SER CYS ALA TYR SER ASP SEQRES 27 A 382 LEU GLN SER MET GLY THR GLY PRO ASP GLY SER PRO LEU SEQRES 28 A 382 PHE GLY CYS LEU TYR GLU ALA ASN ASP TYR GLU GLU ILE SEQRES 29 A 382 VAL PHE LEU MET PHE THR LEU LYS GLN ALA PHE PRO ALA SEQRES 30 A 382 GLU TYR LEU PRO GLN HET ZMR A 381 23 HETNAM ZMR ZANAMIVIR HETSYN ZMR MODIFIED SIALIC ACID FORMUL 2 ZMR C12 H20 N4 O7 FORMUL 3 HOH *78(H2 O) HELIX 1 1 THR A 110 ARG A 118 1 9 HELIX 2 2 LEU A 142 GLY A 148 1 7 HELIX 3 3 PRO A 149 ARG A 152 5 4 HELIX 4 4 ALA A 317 TRP A 321 5 5 HELIX 5 5 LEU A 369 PHE A 373 1 5 SHEET 1 A 7 GLN A 8 GLN A 14 0 SHEET 2 A 7 GLU A 361 THR A 368 -1 O PHE A 364 N GLU A 10 SHEET 3 A 7 PRO A 348 ALA A 356 -1 N CYS A 352 O LEU A 365 SHEET 4 A 7 VAL A 325 THR A 342 -1 N MET A 340 O LEU A 349 SHEET 5 A 7 ALA A 305 ASN A 312 -1 N ASP A 306 O GLY A 330 SHEET 6 A 7 GLN A 291 PRO A 298 -1 N TYR A 295 O TYR A 310 SHEET 7 A 7 SER A 275 PRO A 280 -1 N SER A 275 O THR A 296 SHEET 1 B 4 TYR A 20 LEU A 28 0 SHEET 2 B 4 SER A 33 GLN A 40 -1 O GLU A 39 N ARG A 21 SHEET 3 B 4 LEU A 51 ASP A 60 -1 O LEU A 51 N GLN A 40 SHEET 4 B 4 GLN A 65 TRP A 68 -1 O GLN A 65 N ASP A 60 SHEET 1 C 4 TYR A 20 LEU A 28 0 SHEET 2 C 4 SER A 33 GLN A 40 -1 O GLU A 39 N ARG A 21 SHEET 3 C 4 LEU A 51 ASP A 60 -1 O LEU A 51 N GLN A 40 SHEET 4 C 4 GLU A 72 VAL A 73 -1 O GLU A 72 N LEU A 54 SHEET 1 D 4 HIS A 82 ASP A 92 0 SHEET 2 D 4 THR A 97 PRO A 106 -1 O PHE A 99 N LEU A 90 SHEET 3 D 4 ARG A 123 SER A 129 -1 O VAL A 127 N LEU A 100 SHEET 4 D 4 ARG A 140 ASP A 141 -1 O ARG A 140 N GLN A 126 SHEET 1 E 3 TRP A 154 VAL A 159 0 SHEET 2 E 3 LEU A 174 ARG A 182 -1 O TYR A 181 N THR A 156 SHEET 3 E 3 LEU A 165 GLN A 166 -1 N LEU A 165 O VAL A 175 SHEET 1 F 4 TRP A 154 VAL A 159 0 SHEET 2 F 4 LEU A 174 ARG A 182 -1 O TYR A 181 N THR A 156 SHEET 3 F 4 ILE A 191 SER A 199 -1 O SER A 199 N LEU A 174 SHEET 4 F 4 ALA A 207 ARG A 208 -1 O ALA A 207 N LEU A 198 SHEET 1 G 4 CYS A 219 VAL A 224 0 SHEET 2 G 4 VAL A 231 ALA A 236 -1 O ASN A 235 N GLN A 220 SHEET 3 G 4 ALA A 242 SER A 248 -1 O ALA A 246 N LEU A 234 SHEET 4 G 4 GLU A 257 VAL A 265 -1 O GLN A 259 N GLN A 245 CISPEP 1 GLY A 160 PRO A 161 0 0.13 CISPEP 2 PRO A 315 PRO A 316 0 0.13 CRYST1 85.510 85.680 92.090 90.00 90.00 90.00 C 2 2 21 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 0.011695 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011671 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010859 0.00000