HEADER VIRAL PROTEIN 07-JAN-02 1KQR TITLE CRYSTAL STRUCTURE OF THE RHESUS ROTAVIRUS VP4 SIALIC ACID BINDING TITLE 2 DOMAIN IN COMPLEX WITH 2-O-METHYL-ALPHA-D-N-ACETYL NEURAMINIC ACID COMPND MOL_ID: 1; COMPND 2 MOLECULE: VP4; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: SIALIC ACID BINDING DOMAIN (RESIDUES 62-224); COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RHESUS ROTAVIRUS; SOURCE 3 ORGANISM_TAXID: 10969; SOURCE 4 GENE: SEGMENT 4; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PGEX-VP8(62-224) KEYWDS ROTAVIRUS, VP4, VP8*, SPIKE PROTEIN, OUTER CAPSID, SIALIC ACID, KEYWDS 2 HEMAGGLUTININ, CELL ATTACHMENT, NEUTRALIZATION ANTIGEN, LECTIN, KEYWDS 3 GALECTIN FOLD, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.R.DORMITZER,Z.-Y.J.SUN,G.WAGNER,S.C.HARRISON REVDAT 5 14-FEB-24 1KQR 1 HETSYN REVDAT 4 29-JUL-20 1KQR 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 SITE REVDAT 3 13-JUL-11 1KQR 1 VERSN REVDAT 2 24-FEB-09 1KQR 1 VERSN REVDAT 1 27-MAR-02 1KQR 0 JRNL AUTH P.R.DORMITZER,Z.-Y.J.SUN,G.WAGNER,S.C.HARRISON JRNL TITL THE RHESUS ROTAVIRUS VP4 SIALIC ACID BINDING DOMAIN HAS A JRNL TITL 2 GALECTIN FOLD WITH A NOVEL CARBOHYDRATE BINDING SITE JRNL REF EMBO J. V. 21 885 2002 JRNL REFN ISSN 0261-4189 JRNL PMID 11867517 JRNL DOI 10.1093/EMBOJ/21.5.885 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.R.DORMITZER,H.B.GREENBERG,S.C.HARRISON REMARK 1 TITL PROTEOLYSIS OF MONOMERIC RECOMBINANT ROTAVIRUS VP4 YIELDS AN REMARK 1 TITL 2 OLIGOMERIC VP5* CORE REMARK 1 REF J.VIROL. V. 75 7339 2001 REMARK 1 REFN ISSN 0022-538X REMARK 1 DOI 10.1128/JVI.75.16.7339-7350.2001 REMARK 2 REMARK 2 RESOLUTION. 1.40 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 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) (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 30898 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) : 0.169 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1530 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.45 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2895 REMARK 3 BIN R VALUE (WORKING SET) : 0.2040 REMARK 3 BIN FREE R VALUE : 0.2200 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 142 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 : 1273 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 190 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.50 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) : 0.14 REMARK 3 ESD FROM SIGMAA (A) : 0.07 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.15 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.07 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.860 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.250 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) : 1.294 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.852 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.521 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.292 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1KQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 12 REMARK 12 THE 8 TO 16 RESIDUE AMINO TERMINAL LINKER AND RESIDUES E62 TO REMARK 12 V64 OF VP4 ARE DISORDERED AND ARE NOT INCLUDED IN THE MODEL. REMARK 13 REMARK 13 ALTERNATE CONFORMATIONS ARE MODELED FOR RESIDUES Q70, M82, I106, REMARK 13 S118, T124, Q125, I141, V143, S151, Y155, G156, P157, Q159, K163, REMARK 13 V167, N171, N178, E180, K187, E212, S214, AND N222. REMARK 14 REMARK 14 THE G156-P157 PEPTIDE BOND HAS ALTERNATE CIS AND TRANS REMARK 14 CONFORMATIONS. REMARK 15 REMARK 15 THE MODEL CONTAINS TWO APPARENT CLOSE CONTACTS: THE N222 SIDE REMARK 15 CHAIN WITH HOH 2187 AND THE G156 CARBONYL WITH HOH 2190. IN EACH REMARK 15 CASE, THE RESIDUE HAS ALTERNATE CONFORMATIONS, AND THE WATER REMARK 15 MOLECULE HAS PARTIAL OCCUPANCY, SO THAT CLASHES ARE AVOIDED. REMARK 16 REMARK 16 THE ELECTRON DENSITY FOR THE K187 SIDE CHAIN IS AMBIGUOUS BEYOND REMARK 16 CB. A WELL-DEFINED VOLUME OF HIGH ELECTRON DENSITY NEAR K187 IS REMARK 16 MODELED WITH NZ OF K187 CONFORMATION B. THE LOW B-FACTOR OF THIS REMARK 16 ATOM (2.63) INDICATES THAT, IN ANOTHER CONFORMATION, THIS REMARK 16 DENSITY IS OCCUPIED BY ANOTHER ATOM, POSSIBLY AN ION, WHICH HAS REMARK 16 NOT BEEN MODELED. REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JAN-02. REMARK 100 THE DEPOSITION ID IS D_1000015242. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-MAR-01 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : BENT G3(III) SINGLE CRYSTAL REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31002 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 8.250 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 37.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.71 REMARK 200 R MERGE FOR SHELL (I) : 0.25100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.510 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SIR REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 25.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.84 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, PEG 400, NACL, REMARK 280 NAPO4, PIPES, TRIS, 2-O-METHYL-ALPHA-D-N-ACETYL NEURAMINIC ACID, REMARK 280 PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 303K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 65.20200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 24.01350 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 24.01350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.60100 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 24.01350 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 24.01350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 97.80300 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 24.01350 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 24.01350 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 32.60100 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 24.01350 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 24.01350 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 97.80300 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 65.20200 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 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 A2167 LIES ON A SPECIAL POSITION. REMARK 375 HOH A2188 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 46 REMARK 465 SER A 47 REMARK 465 PRO A 48 REMARK 465 GLU A 49 REMARK 465 PHE A 50 REMARK 465 PRO A 51 REMARK 465 GLY A 52 REMARK 465 ARG A 53 REMARK 465 GLU A 54 REMARK 465 ASN A 55 REMARK 465 LEU A 56 REMARK 465 TYR A 57 REMARK 465 PHE A 58 REMARK 465 GLN A 59 REMARK 465 GLY A 60 REMARK 465 ARG A 61 REMARK 465 GLU A 62 REMARK 465 PRO A 63 REMARK 465 VAL A 64 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 THR A 99 -68.59 -128.88 REMARK 500 SER A 114 122.09 -31.97 REMARK 500 PRO A 182 32.80 -93.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: AUTHOR REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KRI RELATED DB: PDB REMARK 900 NMR SOLUTION STRUCTURES OF THE RHESUS ROTAVIRUS VP4 SIALIC ACID REMARK 900 BINDING DOMAIN WITHOUT LIGAND DBREF 1KQR A 62 224 UNP P12473 VP4_ROTRH 62 224 SEQADV 1KQR GLY A 46 UNP P12473 CLONING ARTIFACT SEQADV 1KQR SER A 47 UNP P12473 CLONING ARTIFACT SEQADV 1KQR PRO A 48 UNP P12473 CLONING ARTIFACT SEQADV 1KQR GLU A 49 UNP P12473 CLONING ARTIFACT SEQADV 1KQR PHE A 50 UNP P12473 CLONING ARTIFACT SEQADV 1KQR PRO A 51 UNP P12473 CLONING ARTIFACT SEQADV 1KQR GLY A 52 UNP P12473 CLONING ARTIFACT SEQADV 1KQR ARG A 53 UNP P12473 CLONING ARTIFACT SEQADV 1KQR GLU A 54 UNP P12473 CLONING ARTIFACT SEQADV 1KQR ASN A 55 UNP P12473 CLONING ARTIFACT SEQADV 1KQR LEU A 56 UNP P12473 CLONING ARTIFACT SEQADV 1KQR TYR A 57 UNP P12473 CLONING ARTIFACT SEQADV 1KQR PHE A 58 UNP P12473 CLONING ARTIFACT SEQADV 1KQR GLN A 59 UNP P12473 CLONING ARTIFACT SEQADV 1KQR GLY A 60 UNP P12473 CLONING ARTIFACT SEQADV 1KQR ARG A 61 UNP P12473 CLONING ARTIFACT SEQRES 1 A 179 GLY SER PRO GLU PHE PRO GLY ARG GLU ASN LEU TYR PHE SEQRES 2 A 179 GLN GLY ARG GLU PRO VAL LEU ASP GLY PRO TYR GLN PRO SEQRES 3 A 179 THR THR PHE ASN PRO PRO VAL ASP TYR TRP MET LEU LEU SEQRES 4 A 179 ALA PRO THR ALA ALA GLY VAL VAL VAL GLU GLY THR ASN SEQRES 5 A 179 ASN THR ASP ARG TRP LEU ALA THR ILE LEU VAL GLU PRO SEQRES 6 A 179 ASN VAL THR SER GLU THR ARG SER TYR THR LEU PHE GLY SEQRES 7 A 179 THR GLN GLU GLN ILE THR ILE ALA ASN ALA SER GLN THR SEQRES 8 A 179 GLN TRP LYS PHE ILE ASP VAL VAL LYS THR THR GLN ASN SEQRES 9 A 179 GLY SER TYR SER GLN TYR GLY PRO LEU GLN SER THR PRO SEQRES 10 A 179 LYS LEU TYR ALA VAL MET LYS HIS ASN GLY LYS ILE TYR SEQRES 11 A 179 THR TYR ASN GLY GLU THR PRO ASN VAL THR THR LYS TYR SEQRES 12 A 179 TYR SER THR THR ASN TYR ASP SER VAL ASN MET THR ALA SEQRES 13 A 179 PHE CYS ASP PHE TYR ILE ILE PRO ARG GLU GLU GLU SER SEQRES 14 A 179 THR CYS THR GLU TYR ILE ASN ASN GLY LEU HET SO4 A3000 5 HET MNA A1000 22 HET GOL A4000 6 HETNAM SO4 SULFATE ION HETNAM MNA 2-O-METHYL-5-N-ACETYL-ALPHA-D-NEURAMINIC ACID HETNAM GOL GLYCEROL HETSYN MNA 2-O-METHYL-5-N-ACETYL-ALPHA-D- NEURAMINIC ACID HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 SO4 O4 S 2- FORMUL 3 MNA C12 H21 N O9 FORMUL 4 GOL C3 H8 O3 FORMUL 5 HOH *190(H2 O) HELIX 1 1 ASN A 193 VAL A 197 5 5 HELIX 2 2 GLU A 212 GLY A 223 1 12 SHEET 1 A 6 THR A 72 ASN A 75 0 SHEET 2 A 6 MET A 199 PHE A 202 -1 O ALA A 201 N THR A 72 SHEET 3 A 6 GLY A 90 ASN A 97 -1 N GLU A 94 O THR A 200 SHEET 4 A 6 ARG A 101 VAL A 108 -1 O LEU A 107 N GLY A 90 SHEET 5 A 6 TRP A 138 LYS A 145 -1 O LYS A 139 N VAL A 108 SHEET 6 A 6 SER A 153 SER A 160 -1 O LEU A 158 N PHE A 140 SHEET 1 B 5 ASP A 204 ILE A 208 0 SHEET 2 B 5 TYR A 80 ALA A 85 -1 N ALA A 85 O ASP A 204 SHEET 3 B 5 LEU A 164 HIS A 170 -1 O TYR A 165 N LEU A 84 SHEET 4 B 5 LYS A 173 THR A 181 -1 N TYR A 175 O MET A 168 SHEET 5 B 5 THR A 185 THR A 191 -1 N TYR A 189 O ILE A 174 SHEET 1 C 2 SER A 114 LEU A 121 0 SHEET 2 C 2 THR A 124 ALA A 131 -1 O ILE A 130 N GLU A 115 CISPEP 1 GLY A 67 PRO A 68 0 0.30 CISPEP 2 GLY A 156 PRO A 157 0 -0.17 CISPEP 3 THR A 181 PRO A 182 0 1.20 CRYST1 48.027 48.027 130.404 90.00 90.00 90.00 P 41 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 0.020822 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020822 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007668 0.00000