HEADER IMMUNE SYSTEM 21-APR-17 5VKM TITLE CRYSTAL STRUCTURE OF HUMAN CD22 IG DOMAINS 1-3 IN COMPLEX WITH ALPHA TITLE 2 2-6 SIALYLLACTOSE COMPND MOL_ID: 1; COMPND 2 MOLECULE: B-CELL RECEPTOR CD22; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: EXTRACELLULAR DOMAIN RESIDUES 20-330; COMPND 5 SYNONYM: B-LYMPHOCYTE CELL ADHESION MOLECULE,BL-CAM,SIALIC ACID- COMPND 6 BINDING IG-LIKE LECTIN 2,SIGLEC-2,T-CELL SURFACE ANTIGEN LEU-14; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: CD22, SIGLEC2; SOURCE 6 EXPRESSION_SYSTEM: HOMO SAPIENS; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 9606; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: HEK293 KEYWDS SIGLEC, SIALIC ACID, CARBOHYDRATE BINDING PROTEIN, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR J.P.JULIEN,J.ERENO-ORBEA,T.SICARD REVDAT 5 04-OCT-23 5VKM 1 HETSYN LINK REVDAT 4 29-JUL-20 5VKM 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE ATOM REVDAT 3 20-NOV-19 5VKM 1 REMARK REVDAT 2 25-OCT-17 5VKM 1 JRNL REVDAT 1 04-OCT-17 5VKM 0 JRNL AUTH J.ERENO-ORBEA,T.SICARD,H.CUI,M.T.MAZHAB-JAFARI,S.BENLEKBIR, JRNL AUTH 2 A.GUARNE,J.L.RUBINSTEIN,J.P.JULIEN JRNL TITL MOLECULAR BASIS OF HUMAN CD22 FUNCTION AND THERAPEUTIC JRNL TITL 2 TARGETING. JRNL REF NAT COMMUN V. 8 764 2017 JRNL REFN ESSN 2041-1723 JRNL PMID 28970495 JRNL DOI 10.1038/S41467-017-00836-6 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.12_2829) 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.89 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 16680 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.210 REMARK 3 FREE R VALUE : 0.254 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.010 REMARK 3 FREE R VALUE TEST SET COUNT : 1669 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 36.8915 - 5.0328 0.99 1289 144 0.1576 0.1907 REMARK 3 2 5.0328 - 3.9963 0.99 1256 139 0.1578 0.1942 REMARK 3 3 3.9963 - 3.4915 1.00 1263 140 0.1927 0.2149 REMARK 3 4 3.4915 - 3.1725 1.00 1257 140 0.2130 0.2634 REMARK 3 5 3.1725 - 2.9452 1.00 1250 139 0.2433 0.3161 REMARK 3 6 2.9452 - 2.7716 1.00 1236 137 0.2635 0.3071 REMARK 3 7 2.7716 - 2.6329 1.00 1249 139 0.2472 0.3285 REMARK 3 8 2.6329 - 2.5183 1.00 1240 138 0.2653 0.3121 REMARK 3 9 2.5183 - 2.4214 1.00 1238 138 0.2855 0.3612 REMARK 3 10 2.4214 - 2.3378 1.00 1248 139 0.3141 0.3784 REMARK 3 11 2.3378 - 2.2647 1.00 1256 139 0.3323 0.3945 REMARK 3 12 2.2647 - 2.2000 1.00 1229 137 0.3367 0.3718 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL 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) : 0.350 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 31.580 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 : 0.003 2603 REMARK 3 ANGLE : 0.608 3542 REMARK 3 CHIRALITY : 0.042 412 REMARK 3 PLANARITY : 0.004 437 REMARK 3 DIHEDRAL : 10.569 1557 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: NULL REMARK 4 REMARK 4 5VKM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-APR-17. REMARK 100 THE DEPOSITION ID IS D_1000227578. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-OCT-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CLSI REMARK 200 BEAMLINE : 08ID-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97949 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : RAYONIX MX-300 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16865 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 36.886 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.10600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.54950 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 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: 5VKJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG 4000, 0.2 M LITHIUM CHLORIDE REMARK 280 AND 0.1 M TRIS PH 8.5, VAPOR DIFFUSION, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,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 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 62.14150 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.95600 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 62.14150 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 28.95600 REMARK 290 SMTRY3 4 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, B, C 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 GLU A 17 REMARK 465 THR A 18 REMARK 465 GLY A 19 REMARK 465 ASP A 20 REMARK 465 SER A 21 REMARK 465 SER A 22 REMARK 465 LYS A 84 REMARK 465 VAL A 85 REMARK 465 GLY A 331 REMARK 465 GLY A 332 REMARK 465 THR A 333 REMARK 465 LYS A 334 REMARK 465 HIS A 335 REMARK 465 HIS A 336 REMARK 465 HIS A 337 REMARK 465 HIS A 338 REMARK 465 HIS A 339 REMARK 465 HIS A 340 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O6 GAL C 1 O6 SIA C 2 1.95 REMARK 500 OD2 ASP A 50 OG1 THR A 125 2.19 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 GLU A 30 -22.48 72.11 REMARK 500 GLU A 88 -11.81 68.71 REMARK 500 GLN A 89 74.74 -110.86 REMARK 500 ASN A 99 -82.08 -120.47 REMARK 500 SER A 166 118.42 -166.72 REMARK 500 PRO A 272 -164.69 -79.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5VKJ RELATED DB: PDB REMARK 900 RELATED ID: 5VKK RELATED DB: PDB REMARK 900 RELATED ID: 5VL3 RELATED DB: PDB REMARK 900 RELATED ID: EMD-8704 RELATED DB: EMDB REMARK 900 RELATED ID: EMD-8705 RELATED DB: EMDB REMARK 900 RELATED ID: SASDC76 RELATED DB: SASBDB REMARK 900 RELATED ID: SASDC86 RELATED DB: SASBDB DBREF 5VKM A 20 330 UNP P20273 CD22_HUMAN 20 330 SEQADV 5VKM GLU A 17 UNP P20273 EXPRESSION TAG SEQADV 5VKM THR A 18 UNP P20273 EXPRESSION TAG SEQADV 5VKM GLY A 19 UNP P20273 EXPRESSION TAG SEQADV 5VKM ALA A 67 UNP P20273 ASN 67 ENGINEERED MUTATION SEQADV 5VKM ALA A 112 UNP P20273 ASN 112 ENGINEERED MUTATION SEQADV 5VKM ALA A 135 UNP P20273 ASN 135 ENGINEERED MUTATION SEQADV 5VKM ALA A 164 UNP P20273 ASN 164 ENGINEERED MUTATION SEQADV 5VKM ALA A 231 UNP P20273 ASN 231 ENGINEERED MUTATION SEQADV 5VKM GLY A 331 UNP P20273 EXPRESSION TAG SEQADV 5VKM GLY A 332 UNP P20273 EXPRESSION TAG SEQADV 5VKM THR A 333 UNP P20273 EXPRESSION TAG SEQADV 5VKM LYS A 334 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 335 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 336 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 337 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 338 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 339 UNP P20273 EXPRESSION TAG SEQADV 5VKM HIS A 340 UNP P20273 EXPRESSION TAG SEQRES 1 A 324 GLU THR GLY ASP SER SER LYS TRP VAL PHE GLU HIS PRO SEQRES 2 A 324 GLU THR LEU TYR ALA TRP GLU GLY ALA CYS VAL TRP ILE SEQRES 3 A 324 PRO CYS THR TYR ARG ALA LEU ASP GLY ASP LEU GLU SER SEQRES 4 A 324 PHE ILE LEU PHE HIS ASN PRO GLU TYR ASN LYS ALA THR SEQRES 5 A 324 SER LYS PHE ASP GLY THR ARG LEU TYR GLU SER THR LYS SEQRES 6 A 324 ASP GLY LYS VAL PRO SER GLU GLN LYS ARG VAL GLN PHE SEQRES 7 A 324 LEU GLY ASP LYS ASN LYS ASN CYS THR LEU SER ILE HIS SEQRES 8 A 324 PRO VAL HIS LEU ALA ASP SER GLY GLN LEU GLY LEU ARG SEQRES 9 A 324 MET GLU SER LYS THR GLU LYS TRP MET GLU ARG ILE HIS SEQRES 10 A 324 LEU ALA VAL SER GLU ARG PRO PHE PRO PRO HIS ILE GLN SEQRES 11 A 324 LEU PRO PRO GLU ILE GLN GLU SER GLN GLU VAL THR LEU SEQRES 12 A 324 THR CYS LEU LEU ALA PHE SER CYS TYR GLY TYR PRO ILE SEQRES 13 A 324 GLN LEU GLN TRP LEU LEU GLU GLY VAL PRO MET ARG GLN SEQRES 14 A 324 ALA ALA VAL THR SER THR SER LEU THR ILE LYS SER VAL SEQRES 15 A 324 PHE THR ARG SER GLU LEU LYS PHE SER PRO GLN TRP SER SEQRES 16 A 324 HIS HIS GLY LYS ILE VAL THR CYS GLN LEU GLN ASP ALA SEQRES 17 A 324 ASP GLY LYS PHE LEU SER ALA ASP THR VAL GLN LEU ASN SEQRES 18 A 324 VAL LYS HIS THR PRO LYS LEU GLU ILE LYS VAL THR PRO SEQRES 19 A 324 SER ASP ALA ILE VAL ARG GLU GLY ASP SER VAL THR MET SEQRES 20 A 324 THR CYS GLU VAL SER SER SER ASN PRO GLU TYR THR THR SEQRES 21 A 324 VAL SER TRP LEU LYS ASP GLY THR SER LEU LYS LYS GLN SEQRES 22 A 324 ASN THR PHE THR LEU ASN LEU ARG GLU VAL THR LYS ASP SEQRES 23 A 324 GLN SER GLY LYS TYR CYS CYS GLN VAL SER ASN ASP VAL SEQRES 24 A 324 GLY PRO GLY ARG SER GLU GLU VAL PHE LEU GLN VAL GLN SEQRES 25 A 324 TYR ALA GLY GLY THR LYS HIS HIS HIS HIS HIS HIS HET NAG B 1 14 HET NAG B 2 14 HET BMA B 3 11 HET MAN B 4 11 HET MAN B 5 11 HET GAL C 1 12 HET SIA C 2 20 HET GOL A 408 6 HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM BMA BETA-D-MANNOPYRANOSE HETNAM MAN ALPHA-D-MANNOPYRANOSE HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID HETNAM GOL GLYCEROL 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 BMA BETA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN MAN ALPHA-D-MANNOSE; D-MANNOSE; MANNOSE HETSYN GAL BETA-D-GALACTOSE; D-GALACTOSE; GALACTOSE HETSYN SIA N-ACETYLNEURAMINIC ACID; SIALIC ACID; ALPHA-SIALIC HETSYN 2 SIA ACID; O-SIALIC ACID HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 NAG 2(C8 H15 N O6) FORMUL 2 BMA C6 H12 O6 FORMUL 2 MAN 2(C6 H12 O6) FORMUL 3 GAL C6 H12 O6 FORMUL 3 SIA C11 H19 N O9 FORMUL 4 GOL C3 H8 O3 FORMUL 5 HOH *69(H2 O) HELIX 1 AA1 HIS A 110 SER A 114 5 5 HELIX 2 AA2 GLN A 209 HIS A 213 5 5 HELIX 3 AA3 THR A 300 SER A 304 5 5 SHEET 1 AA1 2 TRP A 24 GLU A 27 0 SHEET 2 AA1 2 THR A 45 ALA A 48 -1 O THR A 45 N GLU A 27 SHEET 1 AA2 5 THR A 31 TRP A 35 0 SHEET 2 AA2 5 LYS A 127 SER A 137 1 O ALA A 135 N LEU A 32 SHEET 3 AA2 5 GLY A 115 SER A 123 -1 N MET A 121 O TRP A 128 SHEET 4 AA2 5 LEU A 53 ASN A 65 -1 N ASN A 61 O GLN A 116 SHEET 5 AA2 5 LYS A 70 GLU A 78 -1 O ASP A 72 N GLU A 63 SHEET 1 AA3 3 VAL A 40 ILE A 42 0 SHEET 2 AA3 3 LEU A 104 ILE A 106 -1 O LEU A 104 N ILE A 42 SHEET 3 AA3 3 VAL A 92 PHE A 94 -1 N GLN A 93 O SER A 105 SHEET 1 AA4 4 HIS A 144 GLN A 146 0 SHEET 2 AA4 4 VAL A 157 LEU A 163 -1 O THR A 160 N GLN A 146 SHEET 3 AA4 4 VAL A 198 PHE A 206 -1 O SER A 202 N CYS A 161 SHEET 4 AA4 4 ALA A 187 LEU A 193 -1 N SER A 190 O ARG A 201 SHEET 1 AA5 4 ILE A 151 GLN A 152 0 SHEET 2 AA5 4 VAL A 238 THR A 249 1 O LYS A 239 N ILE A 151 SHEET 3 AA5 4 VAL A 261 ASN A 271 -1 O SER A 268 N LYS A 243 SHEET 4 AA5 4 THR A 293 LEU A 296 -1 O LEU A 294 N MET A 263 SHEET 1 AA6 4 VAL A 181 PRO A 182 0 SHEET 2 AA6 4 ILE A 172 LEU A 178 -1 N LEU A 178 O VAL A 181 SHEET 3 AA6 4 ILE A 216 ASP A 223 -1 O GLN A 220 N GLN A 175 SHEET 4 AA6 4 PHE A 228 GLN A 235 -1 O SER A 230 N LEU A 221 SHEET 1 AA7 5 ILE A 254 ARG A 256 0 SHEET 2 AA7 5 VAL A 323 GLN A 328 1 O GLN A 328 N VAL A 255 SHEET 3 AA7 5 GLY A 305 SER A 312 -1 N TYR A 307 O VAL A 323 SHEET 4 AA7 5 THR A 276 LYS A 281 -1 N SER A 278 O GLN A 310 SHEET 5 AA7 5 THR A 284 SER A 285 -1 O THR A 284 N LYS A 281 SHEET 1 AA8 4 ILE A 254 ARG A 256 0 SHEET 2 AA8 4 VAL A 323 GLN A 328 1 O GLN A 328 N VAL A 255 SHEET 3 AA8 4 GLY A 305 SER A 312 -1 N TYR A 307 O VAL A 323 SHEET 4 AA8 4 PRO A 317 ARG A 319 -1 O GLY A 318 N VAL A 311 SSBOND 1 CYS A 39 CYS A 167 1555 1555 2.04 SSBOND 2 CYS A 44 CYS A 102 1555 1555 2.04 SSBOND 3 CYS A 161 CYS A 219 1555 1555 2.03 SSBOND 4 CYS A 265 CYS A 309 1555 1555 2.03 LINK ND2 ASN A 101 C1 NAG B 1 1555 1555 1.44 LINK O4 NAG B 1 C1 NAG B 2 1555 1555 1.42 LINK O4 NAG B 2 C1 BMA B 3 1555 1555 1.44 LINK O3 BMA B 3 C1 MAN B 4 1555 1555 1.45 LINK O6 BMA B 3 C1 MAN B 5 1555 1555 1.44 LINK O6 GAL C 1 C2 SIA C 2 1555 1555 1.37 CISPEP 1 HIS A 107 PRO A 108 0 0.12 CISPEP 2 THR A 249 PRO A 250 0 1.89 CISPEP 3 ASN A 271 PRO A 272 0 0.37 CRYST1 124.283 57.912 48.081 90.00 106.99 90.00 C 1 2 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 0.008046 0.000000 0.002459 0.00000 SCALE2 0.000000 0.017268 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021748 0.00000