HEADER HYDROLASE 29-JAN-98 1A4G TITLE INFLUENZA VIRUS B/BEIJING/1/87 NEURAMINIDASE COMPLEXED WITH ZANAMIVIR COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEURAMINIDASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 76-465; COMPND 5 SYNONYM: SIALIDASE; COMPND 6 EC: 3.2.1.18 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: INFLUENZA B VIRUS (STRAIN B/BEIJING/1/87); SOURCE 3 ORGANISM_TAXID: 11525; SOURCE 4 STRAIN: B/BEIJING/1/87 KEYWDS HYDROLASE, GLYCOSIDASE, GLYCOSYLATED PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.CLEASBY,O.SINGH,T.SKARZYNSKI,A.J.WONACOTT REVDAT 7 13-NOV-24 1A4G 1 REMARK REVDAT 6 02-AUG-23 1A4G 1 HETSYN REVDAT 5 29-JUL-20 1A4G 1 COMPND REMARK HETNAM LINK REVDAT 5 2 1 SITE REVDAT 4 13-JUL-11 1A4G 1 VERSN REVDAT 3 24-FEB-09 1A4G 1 VERSN REVDAT 2 20-APR-99 1A4G 3 ATOM HET SOURCE COMPND REVDAT 2 2 3 REMARK HETATM KEYWDS HEADER REVDAT 2 3 3 MODRES TER CONECT REVDAT 1 02-MAR-99 1A4G 0 JRNL AUTH N.R.TAYLOR,A.CLEASBY,O.SINGH,T.SKARZYNSKI,A.J.WONACOTT, JRNL AUTH 2 P.W.SMITH,S.L.SOLLIS,P.D.HOWES,P.C.CHERRY,R.BETHELL, JRNL AUTH 3 P.COLMAN,J.VARGHESE JRNL TITL DIHYDROPYRANCARBOXAMIDES RELATED TO ZANAMIVIR: A NEW SERIES JRNL TITL 2 OF INHIBITORS OF INFLUENZA VIRUS SIALIDASES. 2. JRNL TITL 3 CRYSTALLOGRAPHIC AND MOLECULAR MODELING STUDY OF COMPLEXES JRNL TITL 4 OF 4-AMINO-4H-PYRAN-6-CARBOXAMIDES AND SIALIDASE FROM JRNL TITL 5 INFLUENZA VIRUS TYPES A AND B. JRNL REF J.MED.CHEM. V. 41 798 1998 JRNL REFN ISSN 0022-2623 JRNL PMID 9526556 JRNL DOI 10.1021/JM9703754 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH W.P.BURMEISTER,R.W.RUIGROK,S.CUSACK REMARK 1 TITL THE 2.2 A RESOLUTION CRYSTAL STRUCTURE OF INFLUENZA B REMARK 1 TITL 2 NEURAMINIDASE AND ITS COMPLEX WITH SIALIC ACID REMARK 1 REF EMBO J. V. 11 49 1992 REMARK 1 REFN ISSN 0261-4189 REMARK 1 REFERENCE 2 REMARK 1 AUTH W.P.BURMEISTER,R.S.DANIELS,S.DAYAN,J.GAGNON,S.CUSACK, REMARK 1 AUTH 2 R.W.RUIGROK REMARK 1 TITL SEQUENCE AND CRYSTALLIZATION OF INFLUENZA VIRUS REMARK 1 TITL 2 B/BEIJING/1/87 NEURAMINIDASE REMARK 1 REF VIROLOGY V. 180 266 1991 REMARK 1 REFN ISSN 0042-6822 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.8 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : 50283 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) : 0.198 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6274 REMARK 3 BIN R VALUE (WORKING SET) : 0.2360 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 : 6072 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 77 REMARK 3 SOLVENT ATOMS : 492 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 2.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.000 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) : 2.000 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.000 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.700 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.000 ; 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 : ENGH.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPENGH.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE TWO MONOMERS IN THE REMARK 3 CRYSTALLOGRAPHIC ASYMMETRIC UNIT HAVE BEEN REFINED INDEPENDENTLY. REMARK 4 REMARK 4 1A4G 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_1000170380. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : FEB-95 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.87 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM, CCP4 REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 140043 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 34.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 5.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : 0.12800 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: DIFFERENCE FOURIER REMARK 200 SOFTWARE USED: X-PLOR 3.8 REMARK 200 STARTING MODEL: 1NSC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.95 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.86 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.8 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 73.70000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 147.40000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 147.40000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 73.70000 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: 20100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 45620 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -113.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 BIOMT1 2 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 TYR A 295 CB - CG - CD2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG B 153 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG B 153 NE - CZ - NH2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG B 222 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 VAL B 270 N - CA - CB ANGL. DEV. = -13.8 DEGREES REMARK 500 ARG B 355 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG B 355 NE - CZ - NH2 ANGL. DEV. = -3.7 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 ALA A 175 132.55 -171.84 REMARK 500 ASN A 198 65.01 -162.87 REMARK 500 ALA A 217 10.54 -141.27 REMARK 500 ASN A 218 51.27 32.49 REMARK 500 ASN A 219 83.13 -154.82 REMARK 500 ILE A 220 77.06 52.39 REMARK 500 GLU A 225 32.35 70.40 REMARK 500 ASP A 383 -163.48 55.80 REMARK 500 TRP A 407 -121.06 -111.10 REMARK 500 ALA B 94 -61.23 -103.51 REMARK 500 ASP B 148 -62.62 -92.50 REMARK 500 ASN B 198 51.87 -145.33 REMARK 500 ASN B 219 84.30 -160.71 REMARK 500 ILE B 220 78.38 48.62 REMARK 500 HIS B 272 108.71 -165.43 REMARK 500 SER B 282 -169.97 -170.93 REMARK 500 CYS B 336 -36.06 -39.67 REMARK 500 ASP B 383 -160.96 59.86 REMARK 500 TRP B 407 -128.40 -104.97 REMARK 500 SER B 439 -163.96 -172.65 REMARK 500 MET B 448 108.59 -161.57 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 B 321 0.08 SIDE CHAIN 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 CA A 2 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 292 O REMARK 620 2 THR A 296 O 85.1 REMARK 620 3 ASP A 323 OD2 90.3 92.2 REMARK 620 4 GLY A 343 O 96.5 83.2 171.4 REMARK 620 5 GLY A 345 O 90.4 167.5 99.5 85.7 REMARK 620 6 HOH A 594 O 174.4 91.1 93.9 79.0 92.5 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 2 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 292 O REMARK 620 2 THR B 296 O 86.5 REMARK 620 3 ASP B 323 OD2 92.2 94.2 REMARK 620 4 GLY B 343 O 102.4 82.6 164.8 REMARK 620 5 GLY B 345 O 92.6 171.8 94.0 89.6 REMARK 620 6 HOH B 551 O 169.9 98.2 78.6 87.2 84.0 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 3 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN B 108 O REMARK 620 2 SER B 109 OG 79.8 REMARK 620 3 HOH B 480 O 104.3 94.4 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CHA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HIGH AFFINITY CALCIUM BINDING SITE IN CHAIN A. REMARK 800 REMARK 800 SITE_IDENTIFIER: CLA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: LOW AFFINITY CALCIUM BINDING SITE IN CHAIN A. REMARK 800 REMARK 800 SITE_IDENTIFIER: ZAA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR ZANAMIVIR IN CHAIN A. REMARK 800 REMARK 800 SITE_IDENTIFIER: CHB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HIGH AFFINITY CALCIUM BINDING SITE IN CHAIN B. REMARK 800 REMARK 800 SITE_IDENTIFIER: CLB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: N/LOW AFFINITY CALCIUM BINDING SITE IN CHAIN B. REMARK 800 REMARK 800 SITE_IDENTIFIER: ZAB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR ZANAMIVIR IN CHAIN B. DBREF 1A4G A 76 465 UNP P27907 NRAM_INBBE 76 465 DBREF 1A4G B 76 465 UNP P27907 NRAM_INBBE 76 465 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 ALA ARG GLY ASN SER ALA PRO LEU ILE ILE SEQRES 4 A 390 ARG GLU PRO PHE ILE ALA CYS GLY PRO LYS GLU CYS LYS 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 GLU ASP ARG ASN LYS LEU ARG SEQRES 7 A 390 HIS LEU ILE 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 SER ASN ALA LEU ILE LYS ILE LYS TYR SEQRES 11 A 390 GLY GLU ALA TYR THR ASP THR TYR HIS SER TYR ALA ASN 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 PHE 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 GLU THR TYR LEU SEQRES 20 A 390 ASP THR PRO ARG PRO ASP ASP GLY SER ILE THR GLY PRO SEQRES 21 A 390 CYS GLU SER ASN GLY ASP LYS GLY ARG 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 GLU 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 ALA HIS SER GLY VAL MET VAL SEQRES 26 A 390 SER MET LYS 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 LYS 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 SEQRES 1 B 390 GLU PRO GLU TRP THR TYR PRO ARG LEU SER CYS GLN GLY SEQRES 2 B 390 SER THR PHE GLN LYS ALA LEU LEU ILE SER PRO HIS ARG SEQRES 3 B 390 PHE GLY GLU ALA ARG GLY ASN SER ALA PRO LEU ILE ILE SEQRES 4 B 390 ARG GLU PRO PHE ILE ALA CYS GLY PRO LYS GLU CYS LYS SEQRES 5 B 390 HIS PHE ALA LEU THR HIS TYR ALA ALA GLN PRO GLY GLY SEQRES 6 B 390 TYR TYR ASN GLY THR ARG GLU ASP ARG ASN LYS LEU ARG SEQRES 7 B 390 HIS LEU ILE SER VAL LYS LEU GLY LYS ILE PRO THR VAL SEQRES 8 B 390 GLU ASN SER ILE PHE HIS MET ALA ALA TRP SER GLY SER SEQRES 9 B 390 ALA CYS HIS ASP GLY ARG GLU TRP THR TYR ILE GLY VAL SEQRES 10 B 390 ASP GLY PRO ASP SER ASN ALA LEU ILE LYS ILE LYS TYR SEQRES 11 B 390 GLY GLU ALA TYR THR ASP THR TYR HIS SER TYR ALA ASN SEQRES 12 B 390 ASN ILE LEU ARG THR GLN GLU SER ALA CYS ASN CYS ILE SEQRES 13 B 390 GLY GLY ASP CYS TYR LEU MET ILE THR ASP GLY SER ALA SEQRES 14 B 390 SER GLY ILE SER LYS CYS ARG PHE LEU LYS ILE ARG GLU SEQRES 15 B 390 GLY ARG ILE ILE LYS GLU ILE PHE PRO THR GLY ARG VAL SEQRES 16 B 390 GLU HIS THR GLU GLU CYS THR CYS GLY PHE ALA SER ASN SEQRES 17 B 390 LYS THR ILE GLU CYS ALA CYS ARG ASP ASN SER TYR THR SEQRES 18 B 390 ALA LYS ARG PRO PHE VAL LYS LEU ASN VAL GLU THR ASP SEQRES 19 B 390 THR ALA GLU ILE ARG LEU MET CYS THR GLU THR TYR LEU SEQRES 20 B 390 ASP THR PRO ARG PRO ASP ASP GLY SER ILE THR GLY PRO SEQRES 21 B 390 CYS GLU SER ASN GLY ASP LYS GLY ARG GLY GLY ILE LYS SEQRES 22 B 390 GLY GLY PHE VAL HIS GLN ARG MET ALA SER LYS ILE GLY SEQRES 23 B 390 ARG TRP TYR SER ARG THR MET SER LYS THR GLU ARG MET SEQRES 24 B 390 GLY MET GLU LEU TYR VAL ARG TYR ASP GLY ASP PRO TRP SEQRES 25 B 390 THR ASP SER ASP ALA LEU ALA HIS SER GLY VAL MET VAL SEQRES 26 B 390 SER MET LYS GLU PRO GLY TRP TYR SER PHE GLY PHE GLU SEQRES 27 B 390 ILE LYS ASP LYS LYS CYS ASP VAL PRO CYS ILE GLY ILE SEQRES 28 B 390 GLU MET VAL HIS ASP GLY GLY LYS LYS THR TRP HIS SER SEQRES 29 B 390 ALA ALA THR ALA ILE TYR CYS LEU MET GLY SER GLY GLN SEQRES 30 B 390 LEU LEU TRP ASP THR VAL THR GLY VAL ASP MET ALA LEU MODRES 1A4G ASN A 283 ASN GLYCOSYLATION SITE MODRES 1A4G ASN B 283 ASN GLYCOSYLATION SITE HET NAG A 1 14 HET CA A 2 1 HET ZMR A 466 23 HET NAG B 1 14 HET CA B 2 1 HET CA B 3 1 HET ZMR B 466 23 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM CA CALCIUM ION HETNAM ZMR ZANAMIVIR 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 HETSYN ZMR 4-GUANIDINO-2-DEOXY-2,3-DEHYDRO-N-ACETYL-NEURAMINIC HETSYN 2 ZMR ACID; 4-GUANIDINO-NEU5AC2EN; MODIFIED SIALIC ACID FORMUL 3 NAG 2(C8 H15 N O6) FORMUL 4 CA 3(CA 2+) FORMUL 5 ZMR 2(C12 H20 N4 O7) FORMUL 10 HOH *492(H2 O) HELIX 1 1 PRO A 99 PHE A 102 5 4 HELIX 2 2 PRO B 99 PHE B 102 5 4 HELIX 3 3 ASP B 196 ASN B 198 5 3 SHEET 1 1A 4 ILE A 113 CYS A 121 0 SHEET 2 1A 4 CYS A 126 THR A 132 -1 N LEU A 131 O ARG A 115 SHEET 3 1A 4 HIS A 154 LYS A 159 -1 O VAL A 158 N HIS A 128 SHEET 4 1A 4 ILE A 170 ALA A 174 -1 O ILE A 170 N SER A 157 SHEET 1 2A 4 SER A 177 HIS A 182 0 SHEET 2 2A 4 TRP A 187 ASP A 193 -1 N VAL A 192 O SER A 177 SHEET 3 2A 4 LEU A 200 TYR A 205 -1 N LYS A 202 O GLY A 191 SHEET 4 2A 4 ALA A 208 HIS A 214 -1 N TYR A 213 O ILE A 201 SHEET 1 3AA 4 ARG A 222 THR A 223 0 SHEET 2 3AA 4 ASP A 234 GLY A 242 -1 O THR A 240 N ARG A 222 SHEET 3 3AA 4 SER A 248 ARG A 256 -1 N LEU A 253 O LEU A 237 SHEET 4 3AA 4 ARG A 259 ILE A 264 -1 N ARG A 259 O ARG A 256 SHEET 1 3BA 4 ASN A 229 ILE A 231 0 SHEET 2 3BA 4 ASP A 234 GLY A 242 -1 O TYR A 236 N ASN A 229 SHEET 3 3BA 4 SER A 248 ARG A 256 -1 N LEU A 253 O LEU A 237 SHEET 4 3BA 4 ARG A 259 ILE A 264 -1 N ARG A 259 O ARG A 256 SHEET 1 4A 4 GLU A 274 PHE A 280 0 SHEET 2 4A 4 THR A 285 ARG A 291 -1 O ARG A 291 N GLU A 274 SHEET 3 4A 4 PRO A 300 ASN A 305 -1 O PRO A 300 N CYS A 290 SHEET 4 4A 4 THR A 310 LEU A 315 -1 O THR A 310 N ASN A 305 SHEET 1 5A 4 PHE A 351 ARG A 355 0 SHEET 2 5A 4 ILE A 360 ARG A 366 -1 O TRP A 363 N VAL A 352 SHEET 3 5A 4 MET A 376 TYR A 382 -1 N GLU A 377 O ARG A 366 SHEET 4 5A 4 ALA A 394 VAL A 400 -1 N ALA A 394 O VAL A 380 SHEET 1 6A 4 SER A 409 LYS A 415 0 SHEET 2 6A 4 ASP A 420 HIS A 430 -1 O GLY A 425 N PHE A 410 SHEET 3 6A 4 SER A 439 LEU A 447 -1 O ALA A 443 N ILE A 426 SHEET 4 6A 4 PHE A 91 ILE A 97 -1 O ILE A 97 N THR A 442 SHEET 1 1B 4 ILE B 113 CYS B 121 0 SHEET 2 1B 4 CYS B 126 THR B 132 -1 N LEU B 131 O ARG B 115 SHEET 3 1B 4 HIS B 154 LYS B 159 -1 O VAL B 158 N HIS B 128 SHEET 4 1B 4 ILE B 170 ALA B 174 -1 O ILE B 170 N SER B 157 SHEET 1 2B 4 SER B 177 HIS B 182 0 SHEET 2 2B 4 TRP B 187 ASP B 193 -1 N VAL B 192 O SER B 177 SHEET 3 2B 4 LEU B 200 TYR B 205 -1 N LYS B 202 O GLY B 191 SHEET 4 2B 4 ALA B 208 HIS B 214 -1 N TYR B 213 O ILE B 201 SHEET 1 3AB 4 ARG B 222 THR B 223 0 SHEET 2 3AB 4 ASP B 234 GLY B 242 -1 O THR B 240 N ARG B 222 SHEET 3 3AB 4 SER B 248 ARG B 256 -1 N LEU B 253 O LEU B 237 SHEET 4 3AB 4 ARG B 259 ILE B 264 -1 N ARG B 259 O ARG B 256 SHEET 1 3BB 4 ASN B 229 ILE B 231 0 SHEET 2 3BB 4 ASP B 234 GLY B 242 -1 O TYR B 236 N ASN B 229 SHEET 3 3BB 4 SER B 248 ARG B 256 -1 N LEU B 253 O LEU B 237 SHEET 4 3BB 4 ARG B 259 ILE B 264 -1 N ARG B 259 O ARG B 256 SHEET 1 4B 4 GLU B 274 PHE B 280 0 SHEET 2 4B 4 THR B 285 ARG B 291 -1 O ARG B 291 N GLU B 274 SHEET 3 4B 4 PRO B 300 ASN B 305 -1 O PRO B 300 N CYS B 290 SHEET 4 4B 4 THR B 310 LEU B 315 -1 O THR B 310 N ASN B 305 SHEET 1 5B 4 PHE B 351 ARG B 355 0 SHEET 2 5B 4 ILE B 360 ARG B 366 -1 O TRP B 363 N VAL B 352 SHEET 3 5B 4 MET B 376 TYR B 382 -1 N GLU B 377 O ARG B 366 SHEET 4 5B 4 ALA B 394 VAL B 400 -1 N ALA B 394 O VAL B 380 SHEET 1 6B 4 SER B 409 LYS B 415 0 SHEET 2 6B 4 ASP B 420 HIS B 430 -1 O GLY B 425 N PHE B 410 SHEET 3 6B 4 SER B 439 LEU B 447 -1 O ALA B 443 N ILE B 426 SHEET 4 6B 4 PHE B 91 ILE B 97 -1 O ILE B 97 N THR B 442 SSBOND 1 CYS A 86 CYS A 419 1555 1555 2.04 SSBOND 2 CYS A 121 CYS A 126 1555 1555 2.03 SSBOND 3 CYS A 181 CYS A 228 1555 1555 2.03 SSBOND 4 CYS A 230 CYS A 235 1555 1555 2.04 SSBOND 5 CYS A 276 CYS A 290 1555 1555 2.03 SSBOND 6 CYS A 278 CYS A 288 1555 1555 2.02 SSBOND 7 CYS A 317 CYS A 336 1555 1555 2.03 SSBOND 8 CYS A 423 CYS A 446 1555 1555 2.03 SSBOND 9 CYS B 86 CYS B 419 1555 1555 2.04 SSBOND 10 CYS B 121 CYS B 126 1555 1555 2.04 SSBOND 11 CYS B 181 CYS B 228 1555 1555 2.02 SSBOND 12 CYS B 230 CYS B 235 1555 1555 2.02 SSBOND 13 CYS B 276 CYS B 290 1555 1555 2.03 SSBOND 14 CYS B 278 CYS B 288 1555 1555 2.03 SSBOND 15 CYS B 317 CYS B 336 1555 1555 2.02 SSBOND 16 CYS B 423 CYS B 446 1555 1555 2.03 LINK C1 NAG A 1 ND2 ASN A 283 1555 1555 1.46 LINK C1 NAG B 1 ND2 ASN B 283 1555 1555 1.47 LINK CA CA A 2 O ASP A 292 1555 1555 2.42 LINK CA CA A 2 O THR A 296 1555 1555 2.47 LINK CA CA A 2 OD2 ASP A 323 1555 1555 2.68 LINK CA CA A 2 O GLY A 343 1555 1555 2.46 LINK CA CA A 2 O GLY A 345 1555 1555 2.41 LINK CA CA A 2 O HOH A 594 1555 1555 2.45 LINK CA CA B 2 O ASP B 292 1555 1555 2.40 LINK CA CA B 2 O THR B 296 1555 1555 2.43 LINK CA CA B 2 OD2 ASP B 323 1555 1555 2.71 LINK CA CA B 2 O GLY B 343 1555 1555 2.48 LINK CA CA B 2 O GLY B 345 1555 1555 2.42 LINK CA CA B 2 O HOH B 551 1555 1555 2.46 LINK CA CA B 3 O ASN B 108 1555 4555 2.77 LINK CA CA B 3 OG SER B 109 1555 4555 2.45 LINK CA CA B 3 O HOH B 480 1555 4555 2.65 CISPEP 1 GLN A 137 PRO A 138 0 -3.40 CISPEP 2 THR A 324 PRO A 325 0 -5.82 CISPEP 3 GLN B 137 PRO B 138 0 -5.63 CISPEP 4 THR B 324 PRO B 325 0 -4.45 SITE 1 CHA 5 ASP A 323 GLY A 343 GLY A 345 THR A 296 SITE 2 CHA 5 ASP A 292 SITE 1 CLA 1 GLU A 167 SITE 1 ZAA 10 ASP A 323 ARG A 115 ARG A 291 ARG A 149 SITE 2 ZAA 10 ILE A 220 ARG A 222 TRP A 176 GLU A 274 SITE 3 ZAA 10 ASP A 148 TYR A 408 SITE 1 CHB 5 ASP B 323 GLY B 343 GLY B 345 THR B 296 SITE 2 CHB 5 ASP B 292 SITE 1 CLB 1 GLU B 167 SITE 1 ZAB 10 ASP B 323 ARG B 115 ARG B 291 ARG B 149 SITE 2 ZAB 10 ILE B 220 ARG B 222 TRP B 176 GLU B 274 SITE 3 ZAB 10 ASP B 148 TYR B 408 CRYST1 88.200 88.200 221.100 90.00 90.00 120.00 P 31 2 1 12 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 0.011338 0.006546 0.000000 0.00000 SCALE2 0.000000 0.013092 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004523 0.00000 MTRIX1 1 0.250000 0.433000 -0.866000 0.00000 1 MTRIX2 1 0.433000 0.750000 0.500000 0.00000 1 MTRIX3 1 0.866000 -0.500000 0.000000 0.00000 1