HEADER CELL ADHESION 15-MAR-13 4JNO TITLE CRYSTAL STRUCTURE OF PLASMODIUM FALCIPARUM ERYTHROCYTE BINDING ANTIGEN TITLE 2 140 (PFEBA-140/BAEBL) REGION II IN COMPLEX WITH SIALYLLACTOSE COMPND MOL_ID: 1; COMPND 2 MOLECULE: BAEBL PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ERYTHROCYTE BINDING ANTIGEN REGION II, ERYTHROCYTE BINDING COMPND 5 PROTEIN-2; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PLASMODIUM FALCIPARUM; SOURCE 3 ORGANISM_TAXID: 5833; SOURCE 4 GENE: EBP2, EBA-140; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DBL DOMAIN, CELL ADHESION, GLYCOPHORIN C, EXTRACELLULAR, SIALIC ACID KEYWDS 2 BINDING EXPDTA X-RAY DIFFRACTION AUTHOR N.H.TOLIA REVDAT 5 20-NOV-24 4JNO 1 HETSYN REVDAT 4 29-JUL-20 4JNO 1 COMPND REMARK SEQADV HETNAM REVDAT 4 2 1 SITE ATOM REVDAT 3 22-MAY-13 4JNO 1 JRNL REVDAT 2 03-APR-13 4JNO 1 JRNL REVDAT 1 27-MAR-13 4JNO 0 JRNL AUTH B.M.MALPEDE,D.H.LIN,N.H.TOLIA JRNL TITL MOLECULAR BASIS FOR SIALIC ACID-DEPENDENT RECEPTOR JRNL TITL 2 RECOGNITION BY THE PLASMODIUM FALCIPARUM INVASION PROTEIN JRNL TITL 3 ERYTHROCYTE-BINDING ANTIGEN-140/BAEBL. JRNL REF J.BIOL.CHEM. V. 288 12406 2013 JRNL REFN ISSN 0021-9258 JRNL PMID 23508963 JRNL DOI 10.1074/JBC.M113.450643 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.8_1069) 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.990 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 15336 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.220 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 769 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 29.7255 - 5.1230 0.94 2887 163 0.1962 0.2214 REMARK 3 2 5.1230 - 4.0696 0.96 2911 151 0.1919 0.2342 REMARK 3 3 4.0696 - 3.5561 0.97 2916 145 0.2119 0.2561 REMARK 3 4 3.5561 - 3.2314 0.97 2901 169 0.2672 0.2979 REMARK 3 5 3.2314 - 3.0000 0.98 2952 141 0.3124 0.3702 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.00 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.430 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.990 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 : 0.001 5046 REMARK 3 ANGLE : 0.437 6736 REMARK 3 CHIRALITY : 0.030 690 REMARK 3 PLANARITY : 0.001 859 REMARK 3 DIHEDRAL : 10.284 1967 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN A AND RESSEQ 148:193 REMARK 3 ORIGIN FOR THE GROUP (A): -2.8197 8.8325 7.9308 REMARK 3 T TENSOR REMARK 3 T11: 0.4388 T22: 0.2620 REMARK 3 T33: 0.8650 T12: 0.0007 REMARK 3 T13: 0.0078 T23: 0.1791 REMARK 3 L TENSOR REMARK 3 L11: 8.4144 L22: 5.9080 REMARK 3 L33: 7.0396 L12: -0.0078 REMARK 3 L13: 1.6830 L23: 0.6284 REMARK 3 S TENSOR REMARK 3 S11: -0.3719 S12: 0.1564 S13: 0.9553 REMARK 3 S21: -0.4145 S22: 0.0232 S23: -0.0849 REMARK 3 S31: -1.0327 S32: -0.1574 S33: 0.2451 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN A AND RESSEQ 194:312 REMARK 3 ORIGIN FOR THE GROUP (A): 3.1136 -1.1179 13.3323 REMARK 3 T TENSOR REMARK 3 T11: 0.3760 T22: 0.3218 REMARK 3 T33: 0.6809 T12: 0.0476 REMARK 3 T13: 0.0122 T23: 0.0777 REMARK 3 L TENSOR REMARK 3 L11: 5.7180 L22: 5.0425 REMARK 3 L33: 3.3388 L12: 0.9729 REMARK 3 L13: -0.6876 L23: -1.0600 REMARK 3 S TENSOR REMARK 3 S11: 0.0169 S12: -0.0799 S13: 0.3922 REMARK 3 S21: -0.0037 S22: -0.0239 S23: -0.7458 REMARK 3 S31: 0.0333 S32: 0.3828 S33: 0.0003 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN A AND RESSEQ 313:422 REMARK 3 ORIGIN FOR THE GROUP (A): -19.2864 -2.7519 -8.2873 REMARK 3 T TENSOR REMARK 3 T11: 0.5349 T22: 0.4236 REMARK 3 T33: 0.4691 T12: -0.0177 REMARK 3 T13: 0.0107 T23: 0.0626 REMARK 3 L TENSOR REMARK 3 L11: 6.0207 L22: 4.0197 REMARK 3 L33: 1.6825 L12: -2.9754 REMARK 3 L13: 2.5387 L23: -0.9120 REMARK 3 S TENSOR REMARK 3 S11: 0.2242 S12: 0.4101 S13: -0.1125 REMARK 3 S21: -0.5189 S22: -0.1411 S23: 0.3064 REMARK 3 S31: 0.5858 S32: -0.0257 S33: -0.0732 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN A AND RESSEQ 423:500 REMARK 3 ORIGIN FOR THE GROUP (A): -45.3535 15.4841 -27.8231 REMARK 3 T TENSOR REMARK 3 T11: 0.3465 T22: 0.4348 REMARK 3 T33: 0.6277 T12: -0.0219 REMARK 3 T13: -0.0993 T23: -0.1299 REMARK 3 L TENSOR REMARK 3 L11: 5.4690 L22: 7.2747 REMARK 3 L33: 4.7409 L12: -1.2335 REMARK 3 L13: 0.9763 L23: -3.5055 REMARK 3 S TENSOR REMARK 3 S11: 0.2358 S12: -0.3035 S13: -0.5508 REMARK 3 S21: -0.3107 S22: 0.1709 S23: 0.5648 REMARK 3 S31: 0.2765 S32: -0.1904 S33: -0.2835 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN A AND RESSEQ 501:606 REMARK 3 ORIGIN FOR THE GROUP (A): -37.0233 19.3723 -29.8217 REMARK 3 T TENSOR REMARK 3 T11: 0.3260 T22: 0.4215 REMARK 3 T33: 0.5261 T12: 0.0844 REMARK 3 T13: 0.1041 T23: -0.0189 REMARK 3 L TENSOR REMARK 3 L11: 5.0865 L22: 6.3752 REMARK 3 L33: 5.9797 L12: 0.1259 REMARK 3 L13: 0.6277 L23: 1.6232 REMARK 3 S TENSOR REMARK 3 S11: 0.2891 S12: 0.1997 S13: -0.0576 REMARK 3 S21: -0.6726 S22: -0.1156 S23: -0.5468 REMARK 3 S31: 0.0892 S32: 0.4953 S33: -0.1752 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN A AND RESSEQ 607:740 REMARK 3 ORIGIN FOR THE GROUP (A): -55.4135 27.9474 -49.1395 REMARK 3 T TENSOR REMARK 3 T11: 0.8898 T22: 0.6134 REMARK 3 T33: 0.7862 T12: 0.1238 REMARK 3 T13: -0.1062 T23: -0.0215 REMARK 3 L TENSOR REMARK 3 L11: 8.3469 L22: 1.1285 REMARK 3 L33: 4.0633 L12: 0.3610 REMARK 3 L13: 3.3777 L23: -0.3689 REMARK 3 S TENSOR REMARK 3 S11: -0.0875 S12: 0.8986 S13: -0.1127 REMARK 3 S21: -0.9044 S22: 0.0085 S23: 0.5505 REMARK 3 S31: -0.2051 S32: 0.1527 S33: 0.1551 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 4JNO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-MAR-13. REMARK 100 THE DEPOSITION ID IS D_1000078274. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-JUL-11 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 4.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NOIR-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15336 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 29.724 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.09 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.7 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: 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 (%): 54.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 8000, PH 7.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 290K 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 38.01500 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 GLN A 141 REMARK 465 TYR A 142 REMARK 465 THR A 143 REMARK 465 PHE A 144 REMARK 465 ILE A 145 REMARK 465 GLN A 146 REMARK 465 LYS A 147 REMARK 465 ASP A 652 REMARK 465 CYS A 653 REMARK 465 ASP A 654 REMARK 465 GLU A 655 REMARK 465 ASN A 656 REMARK 465 ASN A 700 REMARK 465 LYS A 701 REMARK 465 ILE A 741 REMARK 465 LYS A 742 REMARK 465 TYR A 743 REMARK 465 LEU A 744 REMARK 465 ASN A 745 REMARK 465 GLU A 746 REMARK 465 ILE A 747 REMARK 465 LYS A 748 REMARK 465 TYR A 749 REMARK 465 PRO A 750 REMARK 465 LYS A 751 REMARK 465 THR A 752 REMARK 465 LYS A 753 REMARK 465 HIS A 754 REMARK 465 ASP A 755 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 CYS A 154 -82.81 -70.05 REMARK 500 HIS A 298 22.03 -143.43 REMARK 500 VAL A 343 -99.03 60.44 REMARK 500 ALA A 350 1.36 -68.79 REMARK 500 ASN A 403 -71.48 -85.75 REMARK 500 THR A 424 -73.84 -138.21 REMARK 500 ASN A 433 -51.78 -142.69 REMARK 500 ALA A 469 28.74 -144.42 REMARK 500 ARG A 492 -91.27 -125.35 REMARK 500 THR A 493 178.16 66.26 REMARK 500 HIS A 497 -72.42 -51.73 REMARK 500 TYR A 523 45.87 -101.83 REMARK 500 LYS A 650 -67.48 -90.61 REMARK 500 TYR A 692 41.80 -109.04 REMARK 500 ASN A 694 43.45 -89.95 REMARK 500 VAL A 698 -52.24 -147.28 REMARK 500 SER A 711 98.26 -55.51 REMARK 500 REMARK 500 REMARK: NULL DBREF 4JNO A 141 755 UNP Q8T9N3 Q8T9N3_PLAFA 1 615 SEQADV 4JNO ALA A 303 UNP Q8T9N3 SER 163 ENGINEERED MUTATION SEQADV 4JNO ALA A 469 UNP Q8T9N3 THR 329 ENGINEERED MUTATION SEQADV 4JNO ALA A 727 UNP Q8T9N3 SER 587 ENGINEERED MUTATION SEQRES 1 A 615 GLN TYR THR PHE ILE GLN LYS ARG THR HIS LEU PHE ALA SEQRES 2 A 615 CYS GLY ILE LYS ARG LYS SER ILE LYS TRP ILE CYS ARG SEQRES 3 A 615 GLU ASN SER GLU LYS ILE THR VAL CYS VAL PRO ASP ARG SEQRES 4 A 615 LYS ILE GLN LEU CYS ILE ALA ASN PHE LEU ASN SER ARG SEQRES 5 A 615 LEU GLU THR MET GLU LYS PHE LYS GLU ILE PHE LEU ILE SEQRES 6 A 615 SER VAL ASN THR GLU ALA LYS LEU LEU TYR ASN LYS ASN SEQRES 7 A 615 GLU GLY LYS ASP PRO SER ILE PHE CYS ASN GLU LEU ARG SEQRES 8 A 615 ASN SER PHE SER ASP PHE ARG ASN SER PHE ILE GLY ASP SEQRES 9 A 615 ASP MET ASP PHE GLY GLY ASN THR ASP ARG VAL LYS GLY SEQRES 10 A 615 TYR ILE ASN LYS LYS PHE SER ASP TYR TYR LYS GLU LYS SEQRES 11 A 615 ASN VAL GLU LYS LEU ASN ASN ILE LYS LYS GLU TRP TRP SEQRES 12 A 615 GLU LYS ASN LYS ALA ASN LEU TRP ASN HIS MET ILE VAL SEQRES 13 A 615 ASN HIS LYS GLY ASN ILE ALA LYS GLU CYS ALA ILE ILE SEQRES 14 A 615 PRO ALA GLU GLU PRO GLN ILE ASN LEU TRP ILE LYS GLU SEQRES 15 A 615 TRP ASN GLU ASN PHE LEU MET GLU LYS LYS ARG LEU PHE SEQRES 16 A 615 LEU ASN ILE LYS ASP LYS CYS VAL GLU ASN LYS LYS TYR SEQRES 17 A 615 GLU ALA CYS PHE GLY GLY CYS ARG LEU PRO CYS SER SER SEQRES 18 A 615 TYR THR SER PHE MET LYS LYS SER LYS THR GLN MET GLU SEQRES 19 A 615 VAL LEU THR ASN LEU TYR LYS LYS LYS ASN SER GLY VAL SEQRES 20 A 615 ASP LYS ASN ASN PHE LEU ASN ASP LEU PHE LYS LYS ASN SEQRES 21 A 615 ASN LYS ASN ASP LEU ASP ASP PHE PHE LYS ASN GLU LYS SEQRES 22 A 615 GLU TYR ASP ASP LEU CYS ASP CYS ARG TYR THR ALA THR SEQRES 23 A 615 ILE ILE LYS SER PHE LEU ASN GLY PRO ALA LYS ASN ASP SEQRES 24 A 615 VAL ASP ILE ALA SER GLN ILE ASN VAL ASN ASP LEU ARG SEQRES 25 A 615 GLY PHE GLY CYS ASN TYR LYS SER ASN ASN GLU LYS SER SEQRES 26 A 615 TRP ASN CYS ALA GLY THR PHE THR ASN LYS PHE PRO GLY SEQRES 27 A 615 THR CYS GLU PRO PRO ARG ARG GLN THR LEU CYS LEU GLY SEQRES 28 A 615 ARG THR TYR LEU LEU HIS ARG GLY HIS GLU GLU ASP TYR SEQRES 29 A 615 LYS GLU HIS LEU LEU GLY ALA SER ILE TYR GLU ALA GLN SEQRES 30 A 615 LEU LEU LYS TYR LYS TYR LYS GLU LYS ASP GLU ASN ALA SEQRES 31 A 615 LEU CYS SER ILE ILE GLN ASN SER TYR ALA ASP LEU ALA SEQRES 32 A 615 ASP ILE ILE LYS GLY SER ASP ILE ILE LYS ASP TYR TYR SEQRES 33 A 615 GLY LYS LYS MET GLU GLU ASN LEU ASN LYS VAL ASN LYS SEQRES 34 A 615 ASP LYS LYS ARG ASN GLU GLU SER LEU LYS ILE PHE ARG SEQRES 35 A 615 GLU LYS TRP TRP ASP GLU ASN LYS GLU ASN VAL TRP LYS SEQRES 36 A 615 VAL MET SER ALA VAL LEU LYS ASN LYS GLU THR CYS LYS SEQRES 37 A 615 ASP TYR ASP LYS PHE GLN LYS ILE PRO GLN PHE LEU ARG SEQRES 38 A 615 TRP PHE LYS GLU TRP GLY ASP ASP PHE CYS GLU LYS ARG SEQRES 39 A 615 LYS GLU LYS ILE TYR SER PHE GLU SER PHE LYS VAL GLU SEQRES 40 A 615 CYS LYS LYS LYS ASP CYS ASP GLU ASN THR CYS LYS ASN SEQRES 41 A 615 LYS CYS SER GLU TYR LYS LYS TRP ILE ASP LEU LYS LYS SEQRES 42 A 615 SER GLU TYR GLU LYS GLN VAL ASP LYS TYR THR LYS ASP SEQRES 43 A 615 LYS ASN LYS LYS MET TYR ASP ASN ILE ASP GLU VAL LYS SEQRES 44 A 615 ASN LYS GLU ALA ASN VAL TYR LEU LYS GLU LYS SER LYS SEQRES 45 A 615 GLU CYS LYS ASP VAL ASN PHE ASP ASP LYS ILE PHE ASN SEQRES 46 A 615 GLU ALA PRO ASN GLU TYR GLU ASP MET CYS LYS LYS CYS SEQRES 47 A 615 ASP GLU ILE LYS TYR LEU ASN GLU ILE LYS TYR PRO LYS SEQRES 48 A 615 THR LYS HIS ASP HET SIA A 801 39 HET SIA A 802 39 HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID HETSYN SIA N-ACETYLNEURAMINIC ACID; SIALIC ACID; ALPHA-SIALIC HETSYN 2 SIA ACID; O-SIALIC ACID FORMUL 2 SIA 2(C11 H19 N O9) FORMUL 4 HOH *22(H2 O) HELIX 1 1 ARG A 148 GLY A 155 1 8 HELIX 2 2 ASP A 178 GLN A 182 1 5 HELIX 3 3 THR A 195 ASN A 218 1 24 HELIX 4 4 ASP A 222 ILE A 242 1 21 HELIX 5 5 GLY A 249 TYR A 267 1 19 HELIX 6 6 ASN A 271 ILE A 295 1 25 HELIX 7 7 HIS A 298 ILE A 302 5 5 HELIX 8 8 PRO A 314 VAL A 343 1 30 HELIX 9 9 TYR A 348 CYS A 351 5 4 HELIX 10 10 PHE A 352 ASN A 384 1 33 HELIX 11 11 ASP A 388 ASN A 390 5 3 HELIX 12 12 ASN A 391 LYS A 399 1 9 HELIX 13 13 ASP A 404 LYS A 410 1 7 HELIX 14 14 GLU A 412 ASP A 420 1 9 HELIX 15 15 THR A 424 ASN A 433 1 10 HELIX 16 16 GLY A 434 ASN A 438 5 5 HELIX 17 17 ASP A 439 GLN A 445 1 7 HELIX 18 18 ASN A 447 GLY A 455 1 9 HELIX 19 19 GLY A 470 LYS A 475 5 6 HELIX 20 20 PRO A 482 THR A 487 1 6 HELIX 21 21 TYR A 494 GLY A 499 1 6 HELIX 22 22 HIS A 500 TYR A 523 1 24 HELIX 23 23 ASP A 527 GLY A 548 1 22 HELIX 24 24 ASP A 554 ASN A 568 1 15 HELIX 25 25 ASN A 574 SER A 598 1 25 HELIX 26 26 ALA A 599 LEU A 601 5 3 HELIX 27 27 ASN A 603 CYS A 607 5 5 HELIX 28 28 ASP A 609 LYS A 615 1 7 HELIX 29 29 PRO A 617 LYS A 651 1 35 HELIX 30 30 CYS A 658 LYS A 689 1 32 HELIX 31 31 ALA A 703 SER A 711 1 9 HELIX 32 32 LYS A 712 LYS A 715 5 4 HELIX 33 33 ASP A 721 ASN A 725 5 5 HELIX 34 34 PRO A 728 LYS A 736 1 9 SHEET 1 A 2 TRP A 163 GLU A 167 0 SHEET 2 A 2 THR A 173 PRO A 177 -1 O VAL A 174 N ARG A 166 SSBOND 1 CYS A 154 CYS A 184 1555 1555 2.03 SSBOND 2 CYS A 165 CYS A 175 1555 1555 2.03 SSBOND 3 CYS A 227 CYS A 306 1555 1555 2.03 SSBOND 4 CYS A 342 CYS A 355 1555 1555 2.03 SSBOND 5 CYS A 351 CYS A 421 1555 1555 2.03 SSBOND 6 CYS A 359 CYS A 419 1555 1555 2.03 SSBOND 7 CYS A 456 CYS A 489 1555 1555 2.03 SSBOND 8 CYS A 468 CYS A 480 1555 1555 2.03 SSBOND 9 CYS A 532 CYS A 607 1555 1555 2.03 SSBOND 10 CYS A 631 CYS A 714 1555 1555 2.03 SSBOND 11 CYS A 658 CYS A 738 1555 1555 2.03 SSBOND 12 CYS A 662 CYS A 735 1555 1555 2.03 CRYST1 64.950 76.030 81.430 90.00 96.93 90.00 P 1 21 1 2 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 0.015396 0.000000 0.001871 0.00000 SCALE2 0.000000 0.013153 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012371 0.00000