HEADER SUGAR BINDING PROTEIN 01-JUL-25 9RSI TITLE CRYSTAL STRUCTURE OF A SIALIC ACID BINDING PROTEIN FROM STREPTOCOCCUS TITLE 2 PNEUMONIAE BOUND TO NEU5AC COMPND MOL_ID: 1; COMPND 2 MOLECULE: SUGAR ABC TRANSPORTER, SUGAR-BINDING PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: SATA G23-Q442 WITH N-TERMINAL 6HIS-3C-TAG SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE TIGR4; SOURCE 3 ORGANISM_TAXID: 170187; SOURCE 4 GENE: SP_1683; 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_VARIANT: ROSETTA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: POPINF KEYWDS SIALIC ACID, NEU5AC, PERIPLASMIC BINDING PROTEIN, STREPTOCOCCUS KEYWDS 2 PNEUMONIAE, SUGAR BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR C.M.STRAIN-DAMERELL,P.LUKACIK,M.ATKINSON,T.M.GLOSTER,M.A.WALSH REVDAT 1 29-JUL-26 9RSI 0 JRNL AUTH C.M.STRAIN-DAMERELL,M.ATKINSON,C.MELLER,G.HARRIS, JRNL AUTH 2 T.M.GLOSTER,P.LUKACIK,M.A.WALSH JRNL TITL STRUCTURE OF S. PNEUMONIAE SIALIC ACID BINDING PROTEIN; SATA JRNL REF TO BE PUBLISHED 2026 JRNL REFN JRNL DOI 10.1038/S42003-026-10712-Z REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0430 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 67.45 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 77657 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.163 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.906 REMARK 3 FREE R VALUE TEST SET COUNT : 3810 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 5369 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.89 REMARK 3 BIN R VALUE (WORKING SET) : 0.2770 REMARK 3 BIN FREE R VALUE SET COUNT : 297 REMARK 3 BIN FREE R VALUE : 0.3010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6273 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 956 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.77 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.40400 REMARK 3 B22 (A**2) : -0.45500 REMARK 3 B33 (A**2) : -1.76900 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.21500 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.121 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.118 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.091 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.109 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.964 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.943 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 6511 ; 0.008 ; 0.012 REMARK 3 BOND LENGTHS OTHERS (A): 6067 ; 0.001 ; 0.016 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 8824 ; 1.600 ; 1.815 REMARK 3 BOND ANGLES OTHERS (DEGREES): 14086 ; 0.578 ; 1.777 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 814 ; 6.152 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 12 ; 7.175 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 1122 ;11.906 ;10.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 951 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 7569 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 1427 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 1308 ; 0.220 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 77 ; 0.221 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 3312 ; 0.183 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 701 ; 0.142 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): 1 ; 0.032 ; 0.200 REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 3220 ; 1.315 ; 1.659 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 3220 ; 1.312 ; 1.659 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 4025 ; 1.929 ; 2.976 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 4026 ; 1.928 ; 2.978 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 3291 ; 2.604 ; 1.956 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 3282 ; 2.590 ; 1.948 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 4792 ; 4.158 ; 3.429 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 4781 ; 4.154 ; 3.414 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 9RSI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 01-JUL-25. REMARK 100 THE DEPOSITION ID IS D_1292148958. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-SEP-23 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 : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9537 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 XE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DIALS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 77720 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 67.453 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.000 REMARK 200 R MERGE (I) : 0.20000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 1.28100 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.51 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE, PH 5, 3.2 M REMARK 280 AMMONIUM SULPHATE, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 30.89100 REMARK 290 SMTRY3 2 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33920 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 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 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 4 REMARK 465 ALA A 5 REMARK 465 HIS A 6 REMARK 465 HIS A 7 REMARK 465 HIS A 8 REMARK 465 HIS A 9 REMARK 465 HIS A 10 REMARK 465 HIS A 11 REMARK 465 SER A 12 REMARK 465 SER A 13 REMARK 465 GLY A 14 REMARK 465 LEU A 15 REMARK 465 GLU A 16 REMARK 465 VAL A 17 REMARK 465 LEU A 18 REMARK 465 PHE A 19 REMARK 465 GLN A 20 REMARK 465 GLY A 21 REMARK 465 PRO A 22 REMARK 465 GLY A 23 REMARK 465 ASN A 24 REMARK 465 SER A 25 REMARK 465 GLY A 26 REMARK 465 GLY A 27 REMARK 465 SER A 28 REMARK 465 LYS A 29 REMARK 465 ASP A 30 REMARK 465 ALA A 31 REMARK 465 ALA A 32 REMARK 465 LYS A 33 REMARK 465 SER A 34 REMARK 465 GLY A 35 REMARK 465 GLY A 36 REMARK 465 ASP A 37 REMARK 465 GLY A 38 REMARK 465 ALA A 39 REMARK 465 LYS A 441 REMARK 465 GLN A 442 REMARK 465 MET B 4 REMARK 465 ALA B 5 REMARK 465 HIS B 6 REMARK 465 HIS B 7 REMARK 465 HIS B 8 REMARK 465 HIS B 9 REMARK 465 HIS B 10 REMARK 465 HIS B 11 REMARK 465 SER B 12 REMARK 465 SER B 13 REMARK 465 GLY B 14 REMARK 465 LEU B 15 REMARK 465 GLU B 16 REMARK 465 VAL B 17 REMARK 465 LEU B 18 REMARK 465 PHE B 19 REMARK 465 GLN B 20 REMARK 465 GLY B 21 REMARK 465 PRO B 22 REMARK 465 GLY B 23 REMARK 465 ASN B 24 REMARK 465 SER B 25 REMARK 465 GLY B 26 REMARK 465 GLY B 27 REMARK 465 SER B 28 REMARK 465 LYS B 29 REMARK 465 ASP B 30 REMARK 465 ALA B 31 REMARK 465 ALA B 32 REMARK 465 LYS B 33 REMARK 465 SER B 34 REMARK 465 GLY B 35 REMARK 465 GLY B 36 REMARK 465 ASP B 37 REMARK 465 GLY B 38 REMARK 465 MET B 440 REMARK 465 LYS B 441 REMARK 465 GLN B 442 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 ASP A 109 -130.00 -155.98 REMARK 500 TYR A 164 -160.54 -161.97 REMARK 500 SER A 209 18.36 -158.06 REMARK 500 ASP B 109 -130.15 -155.02 REMARK 500 ASN B 140 98.96 -162.05 REMARK 500 TYR B 164 -159.08 -161.76 REMARK 500 SER B 209 18.98 -156.87 REMARK 500 ASN B 332 40.38 -107.92 REMARK 500 REMARK 500 REMARK: NULL DBREF1 9RSI A 23 442 UNP A0A0H2URD1_STRPN DBREF2 9RSI A A0A0H2URD1 23 442 DBREF1 9RSI B 23 442 UNP A0A0H2URD1_STRPN DBREF2 9RSI B A0A0H2URD1 23 442 SEQADV 9RSI MET A 4 UNP A0A0H2URD INITIATING METHIONINE SEQADV 9RSI ALA A 5 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 6 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 7 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 8 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 9 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 10 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS A 11 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI SER A 12 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI SER A 13 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLY A 14 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI LEU A 15 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLU A 16 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI VAL A 17 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI LEU A 18 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI PHE A 19 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLN A 20 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLY A 21 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI PRO A 22 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI MET B 4 UNP A0A0H2URD INITIATING METHIONINE SEQADV 9RSI ALA B 5 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 6 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 7 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 8 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 9 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 10 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI HIS B 11 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI SER B 12 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI SER B 13 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLY B 14 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI LEU B 15 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLU B 16 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI VAL B 17 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI LEU B 18 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI PHE B 19 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLN B 20 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI GLY B 21 UNP A0A0H2URD EXPRESSION TAG SEQADV 9RSI PRO B 22 UNP A0A0H2URD EXPRESSION TAG SEQRES 1 A 439 MET ALA HIS HIS HIS HIS HIS HIS SER SER GLY LEU GLU SEQRES 2 A 439 VAL LEU PHE GLN GLY PRO GLY ASN SER GLY GLY SER LYS SEQRES 3 A 439 ASP ALA ALA LYS SER GLY GLY ASP GLY ALA LYS THR GLU SEQRES 4 A 439 ILE THR TRP TRP ALA PHE PRO VAL PHE THR GLN GLU LYS SEQRES 5 A 439 THR GLY ASP GLY VAL GLY THR TYR GLU LYS SER ILE ILE SEQRES 6 A 439 GLU ALA PHE GLU LYS ALA ASN PRO ASP ILE LYS VAL LYS SEQRES 7 A 439 LEU GLU THR ILE ASP PHE LYS SER GLY PRO GLU LYS ILE SEQRES 8 A 439 THR THR ALA ILE GLU ALA GLY THR ALA PRO ASP VAL LEU SEQRES 9 A 439 PHE ASP ALA PRO GLY ARG ILE ILE GLN TYR GLY LYS ASN SEQRES 10 A 439 GLY LYS LEU ALA GLU LEU ASN ASP LEU PHE THR ASP GLU SEQRES 11 A 439 PHE VAL LYS ASP VAL ASN ASN GLU ASN ILE VAL GLN ALA SEQRES 12 A 439 SER LYS ALA GLY ASP LYS ALA TYR MET TYR PRO ILE SER SEQRES 13 A 439 SER ALA PRO PHE TYR MET ALA MET ASN LYS LYS MET LEU SEQRES 14 A 439 GLU ASP ALA GLY VAL ALA ASN LEU VAL LYS GLU GLY TRP SEQRES 15 A 439 THR THR ASP ASP PHE GLU LYS VAL LEU LYS ALA LEU LYS SEQRES 16 A 439 ASP LYS GLY TYR THR PRO GLY SER LEU PHE SER SER GLY SEQRES 17 A 439 GLN GLY GLY ASP GLN GLY THR ARG ALA PHE ILE SER ASN SEQRES 18 A 439 LEU TYR SER GLY SER VAL THR ASP GLU LYS VAL SER LYS SEQRES 19 A 439 TYR THR THR ASP ASP PRO LYS PHE VAL LYS GLY LEU GLU SEQRES 20 A 439 LYS ALA THR SER TRP ILE LYS ASP ASN LEU ILE ASN ASN SEQRES 21 A 439 GLY SER GLN PHE ASP GLY GLY ALA ASP ILE GLN ASN PHE SEQRES 22 A 439 ALA ASN GLY GLN THR SER TYR THR ILE LEU TRP ALA PRO SEQRES 23 A 439 ALA GLN ASN GLY ILE GLN ALA LYS LEU LEU GLU ALA SER SEQRES 24 A 439 LYS VAL GLU VAL VAL GLU VAL PRO PHE PRO SER ASP GLU SEQRES 25 A 439 GLY LYS PRO ALA LEU GLU TYR LEU VAL ASN GLY PHE ALA SEQRES 26 A 439 VAL PHE ASN ASN LYS ASP ASP LYS LYS VAL ALA ALA SER SEQRES 27 A 439 LYS LYS PHE ILE GLN PHE ILE ALA ASP ASP LYS GLU TRP SEQRES 28 A 439 GLY PRO LYS ASP VAL VAL ARG THR GLY ALA PHE PRO VAL SEQRES 29 A 439 ARG THR SER PHE GLY LYS LEU TYR GLU ASP LYS ARG MET SEQRES 30 A 439 GLU THR ILE SER GLY TRP THR GLN TYR TYR SER PRO TYR SEQRES 31 A 439 TYR ASN THR ILE ASP GLY PHE ALA GLU MET ARG THR LEU SEQRES 32 A 439 TRP PHE PRO MET LEU GLN SER VAL SER ASN GLY ASP GLU SEQRES 33 A 439 LYS PRO ALA ASP ALA LEU LYS ALA PHE THR GLU LYS ALA SEQRES 34 A 439 ASN GLU THR ILE LYS LYS ALA MET LYS GLN SEQRES 1 B 439 MET ALA HIS HIS HIS HIS HIS HIS SER SER GLY LEU GLU SEQRES 2 B 439 VAL LEU PHE GLN GLY PRO GLY ASN SER GLY GLY SER LYS SEQRES 3 B 439 ASP ALA ALA LYS SER GLY GLY ASP GLY ALA LYS THR GLU SEQRES 4 B 439 ILE THR TRP TRP ALA PHE PRO VAL PHE THR GLN GLU LYS SEQRES 5 B 439 THR GLY ASP GLY VAL GLY THR TYR GLU LYS SER ILE ILE SEQRES 6 B 439 GLU ALA PHE GLU LYS ALA ASN PRO ASP ILE LYS VAL LYS SEQRES 7 B 439 LEU GLU THR ILE ASP PHE LYS SER GLY PRO GLU LYS ILE SEQRES 8 B 439 THR THR ALA ILE GLU ALA GLY THR ALA PRO ASP VAL LEU SEQRES 9 B 439 PHE ASP ALA PRO GLY ARG ILE ILE GLN TYR GLY LYS ASN SEQRES 10 B 439 GLY LYS LEU ALA GLU LEU ASN ASP LEU PHE THR ASP GLU SEQRES 11 B 439 PHE VAL LYS ASP VAL ASN ASN GLU ASN ILE VAL GLN ALA SEQRES 12 B 439 SER LYS ALA GLY ASP LYS ALA TYR MET TYR PRO ILE SER SEQRES 13 B 439 SER ALA PRO PHE TYR MET ALA MET ASN LYS LYS MET LEU SEQRES 14 B 439 GLU ASP ALA GLY VAL ALA ASN LEU VAL LYS GLU GLY TRP SEQRES 15 B 439 THR THR ASP ASP PHE GLU LYS VAL LEU LYS ALA LEU LYS SEQRES 16 B 439 ASP LYS GLY TYR THR PRO GLY SER LEU PHE SER SER GLY SEQRES 17 B 439 GLN GLY GLY ASP GLN GLY THR ARG ALA PHE ILE SER ASN SEQRES 18 B 439 LEU TYR SER GLY SER VAL THR ASP GLU LYS VAL SER LYS SEQRES 19 B 439 TYR THR THR ASP ASP PRO LYS PHE VAL LYS GLY LEU GLU SEQRES 20 B 439 LYS ALA THR SER TRP ILE LYS ASP ASN LEU ILE ASN ASN SEQRES 21 B 439 GLY SER GLN PHE ASP GLY GLY ALA ASP ILE GLN ASN PHE SEQRES 22 B 439 ALA ASN GLY GLN THR SER TYR THR ILE LEU TRP ALA PRO SEQRES 23 B 439 ALA GLN ASN GLY ILE GLN ALA LYS LEU LEU GLU ALA SER SEQRES 24 B 439 LYS VAL GLU VAL VAL GLU VAL PRO PHE PRO SER ASP GLU SEQRES 25 B 439 GLY LYS PRO ALA LEU GLU TYR LEU VAL ASN GLY PHE ALA SEQRES 26 B 439 VAL PHE ASN ASN LYS ASP ASP LYS LYS VAL ALA ALA SER SEQRES 27 B 439 LYS LYS PHE ILE GLN PHE ILE ALA ASP ASP LYS GLU TRP SEQRES 28 B 439 GLY PRO LYS ASP VAL VAL ARG THR GLY ALA PHE PRO VAL SEQRES 29 B 439 ARG THR SER PHE GLY LYS LEU TYR GLU ASP LYS ARG MET SEQRES 30 B 439 GLU THR ILE SER GLY TRP THR GLN TYR TYR SER PRO TYR SEQRES 31 B 439 TYR ASN THR ILE ASP GLY PHE ALA GLU MET ARG THR LEU SEQRES 32 B 439 TRP PHE PRO MET LEU GLN SER VAL SER ASN GLY ASP GLU SEQRES 33 B 439 LYS PRO ALA ASP ALA LEU LYS ALA PHE THR GLU LYS ALA SEQRES 34 B 439 ASN GLU THR ILE LYS LYS ALA MET LYS GLN HET SIA A 501 21 HET SO4 A 502 5 HET SIA B 501 21 HET SO4 B 502 5 HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID HETNAM SO4 SULFATE ION HETSYN SIA N-ACETYLNEURAMINIC ACID; SIALIC ACID; ALPHA-SIALIC HETSYN 2 SIA ACID; O-SIALIC ACID FORMUL 3 SIA 2(C11 H19 N O9) FORMUL 4 SO4 2(O4 S 2-) FORMUL 7 HOH *956(H2 O) HELIX 1 AA1 GLY A 61 ASN A 75 1 15 HELIX 2 AA2 SER A 89 ALA A 100 1 12 HELIX 3 AA3 ALA A 110 ASN A 120 1 11 HELIX 4 AA4 LEU A 126 PHE A 130 5 5 HELIX 5 AA5 THR A 131 ASN A 139 1 9 HELIX 6 AA6 ASN A 140 SER A 147 1 8 HELIX 7 AA7 LYS A 169 ALA A 175 1 7 HELIX 8 AA8 VAL A 177 VAL A 181 5 5 HELIX 9 AA9 THR A 186 LYS A 200 1 15 HELIX 10 AB1 ASP A 215 TYR A 226 1 12 HELIX 11 AB2 ASP A 242 ASP A 258 1 17 HELIX 12 AB3 ASP A 268 ASN A 278 1 11 HELIX 13 AB4 ALA A 290 GLN A 295 1 6 HELIX 14 AB5 GLN A 295 LYS A 303 1 9 HELIX 15 AB6 ASP A 334 ASP A 351 1 18 HELIX 16 AB7 GLU A 353 THR A 362 1 10 HELIX 17 AB8 ARG A 368 GLY A 372 5 5 HELIX 18 AB9 ASP A 377 TRP A 386 1 10 HELIX 19 AC1 THR A 387 TYR A 390 5 4 HELIX 20 AC2 GLY A 399 ASN A 416 1 18 HELIX 21 AC3 LYS A 420 MET A 440 1 21 HELIX 22 AC4 GLY B 61 ASN B 75 1 15 HELIX 23 AC5 SER B 89 GLY B 101 1 13 HELIX 24 AC6 ALA B 110 ASN B 120 1 11 HELIX 25 AC7 LEU B 126 PHE B 130 5 5 HELIX 26 AC8 THR B 131 ASN B 139 1 9 HELIX 27 AC9 ASN B 140 SER B 147 1 8 HELIX 28 AD1 LYS B 169 ALA B 175 1 7 HELIX 29 AD2 VAL B 177 VAL B 181 5 5 HELIX 30 AD3 THR B 186 LYS B 200 1 15 HELIX 31 AD4 ASP B 215 SER B 227 1 13 HELIX 32 AD5 ASP B 242 ASP B 258 1 17 HELIX 33 AD6 ASP B 268 ASN B 278 1 11 HELIX 34 AD7 ALA B 290 GLN B 295 1 6 HELIX 35 AD8 GLN B 295 LYS B 303 1 9 HELIX 36 AD9 ASP B 334 ASP B 351 1 18 HELIX 37 AE1 GLU B 353 THR B 362 1 10 HELIX 38 AE2 ARG B 368 GLY B 372 5 5 HELIX 39 AE3 ASP B 377 TRP B 386 1 10 HELIX 40 AE4 THR B 387 TYR B 390 5 4 HELIX 41 AE5 GLY B 399 ASN B 416 1 18 HELIX 42 AE6 LYS B 420 LYS B 438 1 19 SHEET 1 AA1 6 ILE A 78 THR A 84 0 SHEET 2 AA1 6 THR A 41 ALA A 47 1 N TRP A 45 O LYS A 81 SHEET 3 AA1 6 VAL A 106 ASP A 109 1 O VAL A 106 N TRP A 46 SHEET 4 AA1 6 TYR A 322 VAL A 329 -1 O ALA A 328 N LEU A 107 SHEET 5 AA1 6 TYR A 156 PRO A 162 -1 N ALA A 161 O LEU A 323 SHEET 6 AA1 6 PHE A 365 PRO A 366 -1 O PHE A 365 N SER A 160 SHEET 1 AA2 2 LYS A 148 ALA A 149 0 SHEET 2 AA2 2 LYS A 152 ALA A 153 -1 O LYS A 152 N ALA A 149 SHEET 1 AA3 3 TYR A 283 TRP A 287 0 SHEET 2 AA3 3 TYR A 164 ASN A 168 -1 N ALA A 166 O THR A 284 SHEET 3 AA3 3 VAL A 306 VAL A 309 -1 O VAL A 307 N MET A 167 SHEET 1 AA4 2 SER A 206 PHE A 208 0 SHEET 2 AA4 2 ASN A 262 GLY A 264 1 O ASN A 262 N LEU A 207 SHEET 1 AA5 6 ILE B 78 THR B 84 0 SHEET 2 AA5 6 THR B 41 ALA B 47 1 N TRP B 45 O LYS B 81 SHEET 3 AA5 6 VAL B 106 ASP B 109 1 O VAL B 106 N TRP B 46 SHEET 4 AA5 6 TYR B 322 VAL B 329 -1 O GLY B 326 N ASP B 109 SHEET 5 AA5 6 TYR B 156 PRO B 162 -1 N ALA B 161 O LEU B 323 SHEET 6 AA5 6 PHE B 365 PRO B 366 -1 O PHE B 365 N SER B 160 SHEET 1 AA6 2 LYS B 148 ALA B 149 0 SHEET 2 AA6 2 LYS B 152 ALA B 153 -1 O LYS B 152 N ALA B 149 SHEET 1 AA7 3 TYR B 283 TRP B 287 0 SHEET 2 AA7 3 TYR B 164 ASN B 168 -1 N ALA B 166 O THR B 284 SHEET 3 AA7 3 VAL B 306 VAL B 309 -1 O VAL B 307 N MET B 167 SHEET 1 AA8 2 SER B 206 PHE B 208 0 SHEET 2 AA8 2 ASN B 262 GLY B 264 1 O ASN B 262 N LEU B 207 CRYST1 79.742 61.782 89.603 90.00 106.39 90.00 P 1 21 1 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 0.012540 0.000000 0.003688 0.00000 SCALE2 0.000000 0.016186 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011633 0.00000 CONECT 6313 6314 6325 6326 CONECT 6314 6313 6315 6327 6329 CONECT 6315 6314 6316 CONECT 6316 6315 6317 6328 CONECT 6317 6316 6318 6324 CONECT 6318 6317 6319 6329 CONECT 6319 6318 6320 6330 CONECT 6320 6319 6321 6331 CONECT 6321 6320 6332 CONECT 6322 6323 6324 6333 CONECT 6323 6322 CONECT 6324 6317 6322 CONECT 6325 6313 CONECT 6326 6313 CONECT 6327 6314 CONECT 6328 6316 CONECT 6329 6314 6318 CONECT 6330 6319 CONECT 6331 6320 CONECT 6332 6321 CONECT 6333 6322 CONECT 6334 6335 6336 6337 6338 CONECT 6335 6334 CONECT 6336 6334 CONECT 6337 6334 CONECT 6338 6334 CONECT 6339 6340 6351 6352 CONECT 6340 6339 6341 6353 6355 CONECT 6341 6340 6342 CONECT 6342 6341 6343 6354 CONECT 6343 6342 6344 6350 CONECT 6344 6343 6345 6355 CONECT 6345 6344 6346 6356 CONECT 6346 6345 6347 6357 CONECT 6347 6346 6358 CONECT 6348 6349 6350 6359 CONECT 6349 6348 CONECT 6350 6343 6348 CONECT 6351 6339 CONECT 6352 6339 CONECT 6353 6340 CONECT 6354 6342 CONECT 6355 6340 6344 CONECT 6356 6345 CONECT 6357 6346 CONECT 6358 6347 CONECT 6359 6348 CONECT 6360 6361 6362 6363 6364 CONECT 6361 6360 CONECT 6362 6360 CONECT 6363 6360 CONECT 6364 6360 MASTER 340 0 4 42 26 0 0 6 7281 2 52 68 END