HEADER MEMBRANE PROTEIN 03-MAY-17 5NVA TITLE SUBSTRATE-BOUND OUTWARD-OPEN STATE OF A NA+-COUPLED SIALIC ACID TITLE 2 SYMPORTER REVEALS A NOVEL NA+-SITE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE SODIUM:SOLUTE SYMPORTER; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PROTEUS MIRABILIS (STRAIN HI4320); SOURCE 3 ORGANISM_TAXID: 529507; SOURCE 4 GENE: PMI2976; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MEMBRANE TRANSPORTER, SIALIC ACID, OUTWARD-OPEN, SODIUM-COUPLED, KEYWDS 2 MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.Y.WAHLGREN,R.A.NORTH,E.DUNEVALL,P.GOYAL,M.GRABE,R.DOBSON, AUTHOR 2 J.ABRAMSON,S.RAMASWAMY,R.FRIEMANN REVDAT 5 08-MAY-24 5NVA 1 HETSYN REVDAT 4 29-JUL-20 5NVA 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE REVDAT 3 16-OCT-19 5NVA 1 REMARK REVDAT 2 16-MAY-18 5NVA 1 JRNL REVDAT 1 04-APR-18 5NVA 0 JRNL AUTH W.Y.WAHLGREN,E.DUNEVALL,R.A.NORTH,A.PAZ,M.SCALISE, JRNL AUTH 2 P.BISIGNANO,J.BENGTSSON-PALME,P.GOYAL,E.CLAESSON, JRNL AUTH 3 R.CAING-CARLSSON,R.ANDERSSON,K.BEIS,U.J.NILSSON,A.FAREWELL, JRNL AUTH 4 L.POCHINI,C.INDIVERI,M.GRABE,R.C.J.DOBSON,J.ABRAMSON, JRNL AUTH 5 S.RAMASWAMY,R.FRIEMANN JRNL TITL SUBSTRATE-BOUND OUTWARD-OPEN STRUCTURE OF A NA+-COUPLED JRNL TITL 2 SIALIC ACID SYMPORTER REVEALS A NEW NA+SITE. JRNL REF NAT COMMUN V. 9 1753 2018 JRNL REFN ESSN 2041-1723 JRNL PMID 29717135 JRNL DOI 10.1038/S41467-018-04045-7 REMARK 2 REMARK 2 RESOLUTION. 2.26 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.11.1_2575: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.26 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 82.18 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 93.3 REMARK 3 NUMBER OF REFLECTIONS : 61303 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.226 REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.880 REMARK 3 FREE R VALUE TEST SET COUNT : 3602 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 82.2299 - 6.6942 0.92 2186 141 0.1876 0.1869 REMARK 3 2 6.6942 - 5.3137 0.91 2154 135 0.2350 0.2621 REMARK 3 3 5.3137 - 4.6421 0.92 2214 136 0.2043 0.2156 REMARK 3 4 4.6421 - 4.2177 0.93 2207 142 0.1868 0.2082 REMARK 3 5 4.2177 - 3.9154 0.93 2225 133 0.1987 0.2525 REMARK 3 6 3.9154 - 3.6845 0.93 2217 136 0.2061 0.2718 REMARK 3 7 3.6845 - 3.5000 0.94 2216 135 0.1952 0.2398 REMARK 3 8 3.5000 - 3.3476 0.93 2237 142 0.1955 0.2330 REMARK 3 9 3.3476 - 3.2188 0.94 2207 131 0.2041 0.2502 REMARK 3 10 3.2188 - 3.1077 0.94 2258 142 0.2142 0.2156 REMARK 3 11 3.1077 - 3.0105 0.94 2231 140 0.2167 0.2882 REMARK 3 12 3.0105 - 2.9244 0.94 2229 140 0.2159 0.3079 REMARK 3 13 2.9244 - 2.8475 0.94 2253 140 0.2269 0.2864 REMARK 3 14 2.8475 - 2.7780 0.95 2259 134 0.2315 0.3264 REMARK 3 15 2.7780 - 2.7148 0.94 2210 140 0.2415 0.3068 REMARK 3 16 2.7148 - 2.6570 0.94 2249 139 0.2483 0.2263 REMARK 3 17 2.6570 - 2.6039 0.94 2235 139 0.2567 0.3135 REMARK 3 18 2.6039 - 2.5548 0.95 2249 138 0.2748 0.3276 REMARK 3 19 2.5548 - 2.5091 0.95 2282 137 0.2833 0.3119 REMARK 3 20 2.5091 - 2.4666 0.94 2236 142 0.2907 0.3769 REMARK 3 21 2.4666 - 2.4268 0.94 2205 140 0.2781 0.3236 REMARK 3 22 2.4268 - 2.3895 0.95 2290 140 0.2818 0.3417 REMARK 3 23 2.3895 - 2.3543 0.93 2219 138 0.2984 0.3006 REMARK 3 24 2.3543 - 2.3212 0.94 2178 140 0.3023 0.3201 REMARK 3 25 2.3212 - 2.2898 0.91 2187 139 0.3154 0.3576 REMARK 3 26 2.2898 - 2.2600 0.86 2068 143 0.3352 0.3402 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.320 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.090 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.002 3761 REMARK 3 ANGLE : 0.506 5122 REMARK 3 CHIRALITY : 0.038 613 REMARK 3 PLANARITY : 0.004 619 REMARK 3 DIHEDRAL : 3.873 2941 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 A NA IS MODELLED AT THE NA3 BINDING SITE REMARK 3 BOND DISTANCES ARE BETWEEN 2.1 TO 2.5A WHICH IS CONSISTENT WITH REMARK 3 NA, AS WELL AS THE COORDINATION NUMBER 5. REMARK 4 REMARK 4 5NVA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 03-MAY-17. REMARK 100 THE DEPOSITION ID IS D_1200003766. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JAN-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 5.0.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : XIA2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33923 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.260 REMARK 200 RESOLUTION RANGE LOW (A) : 82.180 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.6 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 8.3900 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: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM CITRATE PH5, 0.2-0.25M REMARK 280 POTASSIUM CHLORIDE, 30-40% (W/V) PENTAERYTHRITOL PROPOXYLATE (5/ REMARK 280 4/PO/OH), VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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 -X,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.88200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 75.84500 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 48.88200 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 75.84500 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: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 590 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18320 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -1.0 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 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 MET A 1 REMARK 465 GLN A 2 REMARK 465 LEU A 3 REMARK 465 HIS A 4 REMARK 465 ASP A 399 REMARK 465 GLU A 400 REMARK 465 ALA A 401 REMARK 465 GLU A 402 REMARK 465 ILE A 403 REMARK 465 TRP A 404 REMARK 465 ASP A 405 REMARK 465 ALA A 406 REMARK 465 PHE A 407 REMARK 465 ASN A 408 REMARK 465 SER A 487 REMARK 465 LEU A 488 REMARK 465 ASP A 489 REMARK 465 ASP A 490 REMARK 465 SER A 491 REMARK 465 GLU A 492 REMARK 465 THR A 493 REMARK 465 SER A 494 REMARK 465 GLU A 495 REMARK 465 ASN A 496 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 SER A 60 -167.28 -109.98 REMARK 500 SER A 74 -102.91 -131.85 REMARK 500 PHE A 116 -104.26 -119.68 REMARK 500 PHE A 221 -81.81 -104.49 REMARK 500 ARG A 228 146.35 -171.72 REMARK 500 ILE A 283 -54.61 -121.88 REMARK 500 ILE A 359 -65.94 -104.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 751 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A 752 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A 753 DISTANCE = 6.39 ANGSTROMS REMARK 525 HOH A 754 DISTANCE = 6.65 ANGSTROMS REMARK 525 HOH A 755 DISTANCE = 6.69 ANGSTROMS REMARK 525 HOH A 756 DISTANCE = 6.77 ANGSTROMS REMARK 525 HOH A 757 DISTANCE = 6.93 ANGSTROMS REMARK 525 HOH A 758 DISTANCE = 7.40 ANGSTROMS REMARK 525 HOH A 759 DISTANCE = 7.69 ANGSTROMS REMARK 525 HOH A 760 DISTANCE = 7.71 ANGSTROMS REMARK 525 HOH A 761 DISTANCE = 7.86 ANGSTROMS REMARK 525 HOH A 762 DISTANCE = 8.05 ANGSTROMS REMARK 525 HOH A 763 DISTANCE = 8.17 ANGSTROMS REMARK 525 HOH A 764 DISTANCE = 9.49 ANGSTROMS 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 A 501 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 56 O REMARK 620 2 LEU A 59 O 83.7 REMARK 620 3 ALA A 339 O 174.1 94.3 REMARK 620 4 SER A 342 OG 85.1 129.1 91.8 REMARK 620 5 SER A 343 OG 88.7 92.2 97.0 136.9 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA A 502 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 182 OD1 REMARK 620 2 ASP A 182 OD2 54.2 REMARK 620 3 SER A 342 O 85.8 105.0 REMARK 620 4 SER A 345 OG 97.9 144.3 93.1 REMARK 620 5 SER A 346 OG 131.6 81.7 88.0 130.3 REMARK 620 N 1 2 3 4 DBREF 5NVA A 1 496 UNP B4EZY7 B4EZY7_PROMH 1 496 SEQRES 1 A 496 MET GLN LEU HIS ASP PHE GLY PHE ILE ASN TYR ALA VAL SEQRES 2 A 496 LEU PHE GLY TYR LEU ALA ALA MET LEU LEU VAL GLY VAL SEQRES 3 A 496 TYR PHE SER LYS ARG GLN LYS THR ALA ASP ASP TYR PHE SEQRES 4 A 496 ARG GLY GLY GLY ARG VAL PRO GLY TRP ALA ALA GLY VAL SEQRES 5 A 496 SER VAL PHE ALA THR THR LEU SER SER ILE THR PHE MET SEQRES 6 A 496 SER ILE PRO ALA LYS ALA TYR THR SER ASP TRP THR PHE SEQRES 7 A 496 ILE ILE GLY GLN TYR LEU ALA ILE ALA ILE LEU PRO LEU SEQRES 8 A 496 VAL PHE TYR PHE TYR ILE PRO PHE PHE ARG LYS LEU LYS SEQRES 9 A 496 ILE THR SER ALA TYR GLU TYR LEU GLU ALA ARG PHE ASP SEQRES 10 A 496 VAL ARG SER ARG LEU PHE ALA SER LEU SER PHE MET LEU SEQRES 11 A 496 PHE HIS ILE GLY ARG VAL ALA ILE ILE THR TYR LEU THR SEQRES 12 A 496 VAL LEU ALA LEU ARG PRO PHE MET GLY ILE ASP PRO VAL SEQRES 13 A 496 VAL LEU ILE VAL LEU ILE SER LEU LEU CYS ILE ILE TYR SEQRES 14 A 496 THR TRP MET GLY GLY ILE GLU GLY VAL ILE TRP THR ASP SEQRES 15 A 496 VAL ILE GLN GLY LEU LEU LEU SER GLY GLY ALA VAL LEU SEQRES 16 A 496 ILE PHE ILE MET ILE CYS PHE LYS VAL ASP GLY GLY ILE SEQRES 17 A 496 SER GLU ILE PHE THR THR THR ALA GLN ALA ASP LYS PHE SEQRES 18 A 496 PHE PRO THR THR GLN TRP ARG TRP SER TRP THR ASP SER SEQRES 19 A 496 THR ILE PRO VAL LEU MET ILE GLY PHE LEU PHE ALA ASN SEQRES 20 A 496 ILE GLN GLN PHE THR ALA SER GLN ASP VAL VAL GLN ARG SEQRES 21 A 496 TYR ILE VAL THR ASP SER ILE LYS GLU THR LYS ARG THR SEQRES 22 A 496 LEU ILE THR ASN ALA LYS LEU VAL ALA ILE ILE PRO ILE SEQRES 23 A 496 PHE PHE PHE ALA ILE GLY SER ALA LEU PHE VAL TYR TYR SEQRES 24 A 496 GLN GLN ASN PRO SER LEU LEU PRO ALA GLY PHE ASN THR SEQRES 25 A 496 GLY GLY ILE LEU PRO LEU PHE ILE VAL THR GLU MET PRO SEQRES 26 A 496 ILE GLY ILE ALA GLY LEU ILE ILE ALA ALA ILE PHE ALA SEQRES 27 A 496 ALA ALA GLN SER SER ILE SER SER SER LEU ASN SER ILE SEQRES 28 A 496 SER SER CYS PHE ASN SER ASP ILE TYR THR ARG LEU SER SEQRES 29 A 496 LYS SER SER PRO SER PRO GLU GLN LYS MET LYS VAL ALA SEQRES 30 A 496 LYS LEU VAL ILE ILE VAL ALA GLY ILE PHE SER SER LEU SEQRES 31 A 496 ALA ALA ILE TRP LEU VAL LEU SER ASP GLU ALA GLU ILE SEQRES 32 A 496 TRP ASP ALA PHE ASN SER LEU ILE GLY LEU MET GLY GLY SEQRES 33 A 496 PRO MET THR GLY LEU PHE MET LEU GLY ILE PHE VAL LYS SEQRES 34 A 496 ARG ALA ASN ALA GLY SER ALA VAL VAL GLY ILE ILE VAL SEQRES 35 A 496 SER ILE ILE ALA VAL LEU ALA ALA ARG TYR GLY SER ASP SEQRES 36 A 496 LEU ASN PHE PHE PHE TYR GLY VAL ILE GLY SER MET SER SEQRES 37 A 496 VAL VAL ILE ALA GLY THR ILE THR ALA PRO LEU PHE ALA SEQRES 38 A 496 PRO ALA LYS GLN LEU SER LEU ASP ASP SER GLU THR SER SEQRES 39 A 496 GLU ASN HET NA A 501 1 HET NA A 502 1 HET SLB A 503 21 HETNAM NA SODIUM ION HETNAM SLB N-ACETYL-BETA-NEURAMINIC ACID HETSYN SLB N-ACETYLNEURAMINIC ACID; SIALIC ACID; O-SIALIC ACID; 5- HETSYN 2 SLB N-ACETYL-BETA-D-NEURAMINIC ACID; BETA-SIALIC ACID FORMUL 2 NA 2(NA 1+) FORMUL 4 SLB C11 H19 N O9 FORMUL 5 HOH *164(H2 O) HELIX 1 AA1 GLY A 7 LYS A 30 1 24 HELIX 2 AA2 THR A 34 GLY A 41 1 8 HELIX 3 AA3 GLY A 42 ARG A 44 5 3 HELIX 4 AA4 PRO A 46 LEU A 59 1 14 HELIX 5 AA5 SER A 60 SER A 74 1 15 HELIX 6 AA6 TRP A 76 PHE A 78 5 3 HELIX 7 AA7 ILE A 79 ILE A 88 1 10 HELIX 8 AA8 ILE A 88 TYR A 96 1 9 HELIX 9 AA9 TYR A 96 LEU A 103 1 8 HELIX 10 AB1 TYR A 109 PHE A 116 1 8 HELIX 11 AB2 ASP A 117 GLY A 152 1 36 HELIX 12 AB3 ASP A 154 VAL A 204 1 51 HELIX 13 AB4 GLY A 206 ALA A 218 1 13 HELIX 14 AB5 PRO A 223 TRP A 227 5 5 HELIX 15 AB6 THR A 235 ALA A 253 1 19 HELIX 16 AB7 SER A 254 GLN A 259 1 6 HELIX 17 AB8 ARG A 260 ILE A 262 5 3 HELIX 18 AB9 SER A 266 ASN A 302 1 37 HELIX 19 AC1 PRO A 303 LEU A 306 5 4 HELIX 20 AC2 ASN A 311 GLY A 313 5 3 HELIX 21 AC3 GLY A 314 GLU A 323 1 10 HELIX 22 AC4 GLY A 327 ILE A 359 1 33 HELIX 23 AC5 SER A 369 LEU A 397 1 29 HELIX 24 AC6 LEU A 410 LEU A 413 5 4 HELIX 25 AC7 MET A 414 VAL A 428 1 15 HELIX 26 AC8 ASN A 432 GLY A 453 1 22 HELIX 27 AC9 PHE A 459 THR A 476 1 18 HELIX 28 AD1 ALA A 477 PHE A 480 5 4 LINK O ALA A 56 NA NA A 501 1555 1555 2.29 LINK O LEU A 59 NA NA A 501 1555 1555 2.35 LINK OD1 ASP A 182 NA NA A 502 1555 1555 2.41 LINK OD2 ASP A 182 NA NA A 502 1555 1555 2.41 LINK O ALA A 339 NA NA A 501 1555 1555 2.30 LINK OG SER A 342 NA NA A 501 1555 1555 2.37 LINK O SER A 342 NA NA A 502 1555 1555 2.36 LINK OG SER A 343 NA NA A 501 1555 1555 2.43 LINK OG SER A 345 NA NA A 502 1555 1555 2.39 LINK OG SER A 346 NA NA A 502 1555 1555 2.36 CRYST1 48.788 97.764 151.690 90.00 90.00 90.00 P 2 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 0.020497 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010229 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006592 0.00000