HEADER CELL ADHESION 12-NOV-02 1O7S TITLE HIGH RESOLUTION STRUCTURE OF SIGLEC-7 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALIC ACID BINDING IG-LIKE LECTIN 7; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: V-SET SIALIC ACID BINDING DOMAIN, RESIDUES 18-144; COMPND 5 SYNONYM: QA79 MEMBRANE PROTEIN, ALLELIC VARIANT AIRM-1B, P75, AIRM, COMPND 6 AIRM-1, SIGLEC-7, D-SIGLEC, ADHESION INHIBITORY RECEPTOR MOLECULE-1; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 7 EXPRESSION_SYSTEM_CELL_LINE: CHO LEC1; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PDEF KEYWDS SIGLEC, IMMUNOGLOBULIN FOLD, SIALIC ACID BINDING PROTEIN, LECTIN, KEYWDS 2 CELL ADHESION, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR M.S.ALPHEY,H.ATTRILL,P.R.CROCKER,D.M.F.VAN AALTEN REVDAT 6 13-DEC-23 1O7S 1 REMARK REVDAT 5 08-NOV-23 1O7S 1 HETSYN SSBOND LINK REVDAT 4 29-JUL-20 1O7S 1 COMPND REMARK HETNAM LINK REVDAT 4 2 1 SITE ATOM REVDAT 3 28-FEB-18 1O7S 1 SOURCE REVDAT 2 24-FEB-09 1O7S 1 VERSN REVDAT 1 30-MAR-03 1O7S 0 JRNL AUTH M.S.ALPHEY,H.ATTRILL,P.R.CROCKER,D.M.F.VAN AALTEN JRNL TITL HIGH RESOLUTION STRUCTURES OF SIGLEC-7 - INSIGHTS INTO JRNL TITL 2 LIGAND SPECIFICITY IN THE SIGLEC FAMILY JRNL REF J.BIOL.CHEM. V. 278 3372 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12438315 JRNL DOI 10.1074/JBC.M210602200 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 86594 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) : 0.221 REMARK 3 FREE R VALUE : 0.248 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.900 REMARK 3 FREE R VALUE TEST SET COUNT : 544 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.011 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1654 REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE : 0.2700 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 66 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 895 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 36 REMARK 3 SOLVENT ATOMS : 95 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.16 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.19 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.560 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : 1.540 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.485 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.087 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.142 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 47.56 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1O7S COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-NOV-02. REMARK 100 THE DEPOSITION ID IS D_1290011685. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-JUL-01 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.953758 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14144 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.06500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.20 REMARK 200 R MERGE FOR SHELL (I) : 0.56200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1QFO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.15 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M SODIUM ACETATE TRIHYDRATE 0.1 M REMARK 280 TRI-SODIUM CACODYLATE, PH 6.5, 30 % PEG 8,000, PH 6.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 46.88500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 26.53900 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 26.53900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.44250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 26.53900 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 26.53900 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 70.32750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 26.53900 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 26.53900 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 23.44250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 26.53900 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 26.53900 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 70.32750 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 46.88500 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: PQS 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A2091 LIES ON A SPECIAL POSITION. 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 GLY A 18 REMARK 465 GLN A 19 REMARK 465 LYS A 20 REMARK 465 SER A 21 REMARK 465 ASN A 22 REMARK 465 ARG A 23 REMARK 465 ASP A 53 REMARK 465 SER A 54 REMARK 465 GLN A 55 REMARK 465 GLY A 69 REMARK 465 ASN A 70 REMARK 465 ASP A 71 REMARK 465 ILE A 72 REMARK 465 SER A 73 REMARK 465 TRP A 74 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 ARG A 45 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 57 CG OD1 OD2 REMARK 470 ASN A 129 CG OD1 ND2 REMARK 470 LYS A 135 CG CD CE NZ 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 57 63.50 -168.08 REMARK 500 SER A 58 -115.62 -52.87 REMARK 500 ASP A 59 149.07 48.73 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1O7V RELATED DB: PDB REMARK 900 HIGH RESOLUTION STRUCURE OF SIGLEC-7 DBREF 1O7S A 18 144 UNP Q9Y286 Q9Y286 18 144 SEQRES 1 A 127 GLY GLN LYS SER ASN ARG LYS ASP TYR SER LEU THR MET SEQRES 2 A 127 GLN SER SER VAL THR VAL GLN GLU GLY MET CYS VAL HIS SEQRES 3 A 127 VAL ARG CYS SER PHE SER TYR PRO VAL ASP SER GLN THR SEQRES 4 A 127 ASP SER ASP PRO VAL HIS GLY TYR TRP PHE ARG ALA GLY SEQRES 5 A 127 ASN ASP ILE SER TRP LYS ALA PRO VAL ALA THR ASN ASN SEQRES 6 A 127 PRO ALA TRP ALA VAL GLN GLU GLU THR ARG ASP ARG PHE SEQRES 7 A 127 HIS LEU LEU GLY ASP PRO GLN THR LYS ASN CYS THR LEU SEQRES 8 A 127 SER ILE ARG ASP ALA ARG MET SER ASP ALA GLY ARG TYR SEQRES 9 A 127 PHE PHE ARG MET GLU LYS GLY ASN ILE LYS TRP ASN TYR SEQRES 10 A 127 LYS TYR ASP GLN LEU SER VAL ASN VAL THR MODRES 1O7S ASN A 105 ASN GLYCOSYLATION SITE HET CYS A1147 7 HET NAG A1145 14 HET NDG A1146 15 HETNAM CYS CYSTEINE HETNAM NAG 2-ACETAMIDO-2-DEOXY-BETA-D-GLUCOPYRANOSE HETNAM NDG 2-ACETAMIDO-2-DEOXY-ALPHA-D-GLUCOPYRANOSE 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 NDG N-ACETYL-ALPHA-D-GLUCOSAMINE; 2-ACETAMIDO-2-DEOXY- HETSYN 2 NDG ALPHA-D-GLUCOSE; 2-ACETAMIDO-2-DEOXY-D-GLUCOSE; 2- HETSYN 3 NDG ACETAMIDO-2-DEOXY-GLUCOSE; 2-(ACETYLAMINO)-2-DEOXY-A- HETSYN 4 NDG D-GLUCOPYRANOSE FORMUL 2 CYS C3 H7 N O2 S FORMUL 3 NAG C8 H15 N O6 FORMUL 4 NDG C8 H15 N O6 FORMUL 5 HOH *95(H2 O) HELIX 1 1 ASP A 100 LYS A 104 5 5 HELIX 2 2 ARG A 114 ALA A 118 5 5 SHEET 1 AA 2 SER A 27 THR A 29 0 SHEET 2 AA 2 SER A 47 SER A 49 -1 O SER A 47 N THR A 29 SHEET 1 AB 5 SER A 33 GLN A 37 0 SHEET 2 AB 5 LEU A 139 THR A 144 1 O SER A 140 N VAL A 34 SHEET 3 AB 5 GLY A 119 LYS A 127 -1 O GLY A 119 N VAL A 141 SHEET 4 AB 5 HIS A 62 ARG A 67 -1 O HIS A 62 N GLU A 126 SHEET 5 AB 5 ALA A 79 THR A 80 -1 O ALA A 79 N TRP A 65 SHEET 1 AC 4 SER A 33 GLN A 37 0 SHEET 2 AC 4 LEU A 139 THR A 144 1 O SER A 140 N VAL A 34 SHEET 3 AC 4 GLY A 119 LYS A 127 -1 O GLY A 119 N VAL A 141 SHEET 4 AC 4 ILE A 130 ASN A 133 -1 O ILE A 130 N LYS A 127 SHEET 1 AD 3 VAL A 42 VAL A 44 0 SHEET 2 AD 3 LEU A 108 ILE A 110 -1 O LEU A 108 N VAL A 44 SHEET 3 AD 3 PHE A 95 LEU A 97 -1 O HIS A 96 N SER A 109 SSBOND 1 CYS A 41 CYS A 1147 1555 1555 2.05 SSBOND 2 CYS A 46 CYS A 106 1555 1555 2.04 LINK ND2 ASN A 105 C1 NAG A1145 1555 1555 1.45 CRYST1 53.078 53.078 93.770 90.00 90.00 90.00 P 41 21 2 8 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 0.018840 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018840 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010664 0.00000