HEADER TOXIN 11-OCT-96 1SE3 TITLE STAPHYLOCOCCAL ENTEROTOXIN B COMPLEXED WITH GM3 TRISACCHARIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: STAPHYLOCOCCAL ENTEROTOXIN B; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SEB; COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: COMPLEXED WITH GM3 TRISACCHARIDE (3'-SIALYLLACTOSE) SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 CELL_LINE: S2; SOURCE 5 EXPRESSION_SYSTEM: STAPHYLOCOCCUS AUREUS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 1280 KEYWDS TOXIN, SUPERANTIGEN, SEB, SIALYLLACTOSE, COMPLEX, ENTEROTOXIN EXPDTA X-RAY DIFFRACTION AUTHOR S.SWAMINATHAN,M.SAX REVDAT 4 29-JUL-20 1SE3 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE ATOM REVDAT 3 08-SEP-09 1SE3 1 HETATM HETNAM REVDAT 2 24-FEB-09 1SE3 1 VERSN REVDAT 1 16-JUN-97 1SE3 0 JRNL AUTH S.SWAMINATHAN,W.FUREY,J.PLETCHER,M.SAX JRNL TITL RESIDUES DEFINING V BETA SPECIFICITY IN STAPHYLOCOCCAL JRNL TITL 2 ENTEROTOXINS. JRNL REF NAT.STRUCT.BIOL. V. 2 680 1995 JRNL REFN ISSN 1072-8368 JRNL PMID 7552730 JRNL DOI 10.1038/NSB0895-680 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.SWAMINATHAN,W.FUREY,J.PLETCHER,M.SAX REMARK 1 TITL CRYSTAL STRUCTURE OF STAPHYLOCOCCAL ENTEROTOXIN B, A REMARK 1 TITL 2 SUPERANTIGEN REMARK 1 REF NATURE V. 359 801 1992 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 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) (%) : 83.0 REMARK 3 NUMBER OF REFLECTIONS : 9949 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) : 0.220 REMARK 3 FREE R VALUE : 0.330 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 1975 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 43 REMARK 3 SOLVENT ATOMS : 135 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.962 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.450 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 : PARHCXDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM3_MOD.CHO REMARK 3 PARAMETER FILE 3 : PARAM11.WAT REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCXDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH3.CHO REMARK 3 TOPOLOGY FILE 3 : TOPH11.WAT REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: R VALUE GIVEN IS FOR ALL DATA AND NOT REMARK 3 THE WORKING SET. FREE R WAS CALCULATED TO CHECK THE VALIDITY OF REMARK 3 THE MODEL BUT THE FINAL REFINEMENT WAS DONE WITH ALL DATA. REMARK 4 REMARK 4 1SE3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000176338. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-FEB-95 REMARK 200 TEMPERATURE (KELVIN) : 291 REMARK 200 PH : 8.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : FRANKS MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : SIEMENS HI-STAR REMARK 200 INTENSITY-INTEGRATION SOFTWARE : FBSCALE (LOCAL VERSION), XENGEN REMARK 200 DATA SCALING SOFTWARE : FBSCALE (LOCAL VERSION) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10322 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 83.0 REMARK 200 DATA REDUNDANCY : 2.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 60.0 REMARK 200 DATA REDUNDANCY IN SHELL : 1.00 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24% PEG 4000, 20 MM BORATE BUFFER AT REMARK 280 PH 8.8. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 22.65000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 39.20000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.50000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 39.20000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.50000 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 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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 98 CG CD CE NZ REMARK 470 THR A 99 OG1 CG2 REMARK 470 ASN A 100 CG OD1 ND2 REMARK 470 ASP A 101 CG OD1 OD2 REMARK 470 ILE A 102 CG1 CG2 CD1 REMARK 470 ASN A 103 CG OD1 ND2 REMARK 470 SER A 104 OG REMARK 470 HIS A 105 CG ND1 CD2 CE1 NE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 GLN A 3 N - CA - C ANGL. DEV. = -20.6 DEGREES REMARK 500 ASP A 127 N - CA - C ANGL. DEV. = -21.6 DEGREES 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 GLN A 3 106.91 -177.64 REMARK 500 PRO A 4 117.92 -34.38 REMARK 500 LEU A 20 95.02 42.96 REMARK 500 ASP A 29 -160.05 -77.51 REMARK 500 HIS A 32 170.49 175.93 REMARK 500 ASN A 37 51.16 73.26 REMARK 500 LYS A 57 -69.15 -131.67 REMARK 500 PHE A 85 118.05 -166.52 REMARK 500 TYR A 90 -53.28 -133.59 REMARK 500 TYR A 91 -36.38 -39.94 REMARK 500 SER A 96 -63.32 55.85 REMARK 500 LYS A 97 -42.88 80.46 REMARK 500 LYS A 98 133.44 162.04 REMARK 500 THR A 99 85.77 -42.70 REMARK 500 ASP A 101 49.50 -97.65 REMARK 500 ILE A 102 -69.02 -172.17 REMARK 500 THR A 107 103.83 90.35 REMARK 500 LYS A 109 134.04 70.95 REMARK 500 ARG A 110 105.78 43.06 REMARK 500 LYS A 128 100.46 102.11 REMARK 500 LEU A 143 36.25 -97.97 REMARK 500 LEU A 144 145.44 167.91 REMARK 500 PHE A 177 -75.28 -31.29 REMARK 500 ASN A 192 -94.77 -158.81 REMARK 500 SER A 195 135.79 -174.84 REMARK 500 PRO A 204 154.61 -48.70 REMARK 500 LYS A 238 91.91 -53.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: SAC REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: TRISACCHARIDE BINDING SITE. DBREF 1SE3 A 1 239 UNP P01552 ETXB_STAAU 28 266 SEQRES 1 A 239 GLU SER GLN PRO ASP PRO LYS PRO ASP GLU LEU HIS LYS SEQRES 2 A 239 SER SER LYS PHE THR GLY LEU MET GLU ASN MET LYS VAL SEQRES 3 A 239 LEU TYR ASP ASP ASN HIS VAL SER ALA ILE ASN VAL LYS SEQRES 4 A 239 SER ILE ASP GLN PHE LEU TYR PHE ASP LEU ILE TYR SER SEQRES 5 A 239 ILE LYS ASP THR LYS LEU GLY ASN TYR ASP ASN VAL ARG SEQRES 6 A 239 VAL GLU PHE LYS ASN LYS ASP LEU ALA ASP LYS TYR LYS SEQRES 7 A 239 ASP LYS TYR VAL ASP VAL PHE GLY ALA ASN TYR TYR TYR SEQRES 8 A 239 GLN CYS TYR PHE SER LYS LYS THR ASN ASP ILE ASN SER SEQRES 9 A 239 HIS GLN THR ASP LYS ARG LYS THR CYS MET TYR GLY GLY SEQRES 10 A 239 VAL THR GLU HIS ASN GLY ASN GLN LEU ASP LYS TYR ARG SEQRES 11 A 239 SER ILE THR VAL ARG VAL PHE GLU ASP GLY LYS ASN LEU SEQRES 12 A 239 LEU SER PHE ASP VAL GLN THR ASN LYS LYS LYS VAL THR SEQRES 13 A 239 ALA GLN GLU LEU ASP TYR LEU THR ARG HIS TYR LEU VAL SEQRES 14 A 239 LYS ASN LYS LYS LEU TYR GLU PHE ASN ASN SER PRO TYR SEQRES 15 A 239 GLU THR GLY TYR ILE LYS PHE ILE GLU ASN GLU ASN SER SEQRES 16 A 239 PHE TRP TYR ASP MET MET PRO ALA PRO GLY ASP LYS PHE SEQRES 17 A 239 ASP GLN SER LYS TYR LEU MET MET TYR ASN ASP ASN LYS SEQRES 18 A 239 MET VAL ASP SER LYS ASP VAL LYS ILE GLU VAL TYR LEU SEQRES 19 A 239 THR THR LYS LYS LYS HET BGC B 1 12 HET GAL B 2 11 HET SIA B 3 20 HETNAM BGC BETA-D-GLUCOPYRANOSE HETNAM GAL BETA-D-GALACTOPYRANOSE HETNAM SIA N-ACETYL-ALPHA-NEURAMINIC ACID FORMUL 2 BGC C6 H12 O6 FORMUL 2 GAL C6 H12 O6 FORMUL 2 SIA C11 H19 N O9 FORMUL 3 HOH *135(H2 O) HELIX 1 H1 LYS A 13 PHE A 17 1 5 HELIX 2 H2 MET A 21 ASP A 29 1 9 HELIX 3 H3 ASN A 70 LYS A 78 1 9 HELIX 4 H4 ALA A 157 LYS A 172 1 16 HELIX 5 H5 GLN A 210 TYR A 217 1 8 SHEET 1 A 3 ASP A 48 TYR A 51 0 SHEET 2 A 3 ASN A 63 GLU A 67 -1 N VAL A 66 O LEU A 49 SHEET 3 A 3 LYS A 111 TYR A 115 1 N THR A 112 O ASN A 63 SHEET 1 B 3 VAL A 118 GLU A 120 0 SHEET 2 B 3 VAL A 82 GLY A 86 -1 N ASP A 83 O THR A 119 SHEET 3 B 3 VAL A 33 VAL A 38 -1 N VAL A 38 O VAL A 82 SHEET 1 C 5 SER A 145 THR A 150 0 SHEET 2 C 5 ARG A 130 GLU A 138 -1 N VAL A 134 O PHE A 146 SHEET 3 C 5 LYS A 229 THR A 236 1 N ILE A 230 O ARG A 135 SHEET 4 C 5 TYR A 182 ILE A 190 -1 N ILE A 190 O LYS A 229 SHEET 5 C 5 SER A 195 ASP A 199 -1 N TYR A 198 O ILE A 187 SHEET 1 D 2 LYS A 154 THR A 156 0 SHEET 2 D 2 MET A 222 ASP A 224 -1 N VAL A 223 O VAL A 155 SSBOND 1 CYS A 93 CYS A 113 1555 1555 2.04 LINK O4 BGC B 1 C1 GAL B 2 1555 1555 1.39 LINK O3 GAL B 2 C2 SIA B 3 1555 1555 1.41 SITE 1 SAC 5 LYS A 54 ASP A 62 ASN A 63 GLN A 106 SITE 2 SAC 5 ASP A 108 CRYST1 45.300 71.000 78.400 90.00 90.00 90.00 P 21 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 0.022075 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014085 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012755 0.00000