HEADER LECTIN/IMMNUE SYSTEM 14-FEB-03 1OD7 TITLE N-TERMINAL OF SIALOADHESIN IN COMPLEX WITH ME-A-9-N-(NAPHTHYL-2- TITLE 2 CARBONYL)-AMINO-9-DEOXY-NEU5AC (NAP COMPOUND) COMPND MOL_ID: 1; COMPND 2 MOLECULE: SIALOADHESIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: DOMAIN ONE, IG-LIKE V-TYPE DOMAIN, RESIDUES 20-138; COMPND 5 SYNONYM: SND1, SIALIC ACID BINDING IG-LIKE LECTIN-1, SIGLEC-1; COMPND 6 ENGINEERED: YES; COMPND 7 OTHER_DETAILS: BOUND TO ME-A-9-N-(NAPHTHYL-2-CARBONYL)-AMINO-9-DEOXY- COMPND 8 NEU5AC SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 EXPRESSION_SYSTEM: CRICETULUS GRISEUS; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 10029; SOURCE 7 EXPRESSION_SYSTEM_CELL_LINE: CHO CELL; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PEE14; SOURCE 9 OTHER_DETAILS: CHO CELL STABLE EXPRESSION WITH PEE14 PLASMID KEYWDS LECTIN/IMMNUE SYSTEM, IMMUNE SYSTEM, IMMUNOGLOBULIN SUPERFAMILY, KEYWDS 2 CARBOHYDRATE BINDING, SIGLEC, INHIBITOR DESIGN, CELL ADHESION, KEYWDS 3 LECTIN-IMMNUE SYSTEM COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR N.R.ZACCAI,K.MAENAKA,T.MAENAKA,P.R.CROCKER,R.BROSSMER,S.KELM, AUTHOR 2 E.Y.JONES REVDAT 4 23-OCT-24 1OD7 1 REMARK REVDAT 3 13-DEC-23 1OD7 1 REMARK REVDAT 2 24-FEB-09 1OD7 1 VERSN REVDAT 1 16-MAY-03 1OD7 0 JRNL AUTH N.R.ZACCAI,K.MAENAKA,T.MAENAKA,P.R.CROCKER,R.BROSSMER, JRNL AUTH 2 S.KELM,E.Y.JONES JRNL TITL STRUCTURE-GUIDED DESIGN OF SIALIC ACID-BASED SIGLEC JRNL TITL 2 INHIBITORS AND CRYSTALLOGRAPHIC ANALYSIS IN COMPLEX WITH JRNL TITL 3 SIALOADHESIN JRNL REF STRUCTURE V. 11 557 2003 JRNL REFN ISSN 0969-2126 JRNL PMID 12737821 JRNL DOI 10.1016/S0969-2126(03)00073-X REMARK 2 REMARK 2 RESOLUTION. 3.00 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.54 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 118124.860 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 2857 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) : 0.192 REMARK 3 FREE R VALUE : 0.272 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 136 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.023 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 408 REMARK 3 BIN R VALUE (WORKING SET) : 0.2730 REMARK 3 BIN FREE R VALUE : 0.3470 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 18 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.082 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 928 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 33 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.10000 REMARK 3 B22 (A**2) : 5.10000 REMARK 3 B33 (A**2) : -10.20000 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) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.37 REMARK 3 LOW RESOLUTION CUTOFF (A) : 6.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.44 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.51 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.890 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 3.950 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.700 ; 1.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 6.940 ; 1.500 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.050 ; 1.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 10.00 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : SUW4.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : SUW4.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1OD7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-FEB-03. REMARK 100 THE DEPOSITION ID IS D_1290012180. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 110.0 REMARK 200 PH : 5.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX14.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 3047 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 9.600 REMARK 200 R MERGE (I) : 0.24000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.4000 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) : 3.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 72.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.51000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.100 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: DOMAIN A OF PDB ENTRY 1QFO REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.54 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30 % (W/V) PEG 4000, 10 MM DTT, 0.1M REMARK 280 SODIUM HEPES PH 5.6,25MM NAP COMPOUND, PH 5.60 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 32.02550 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 32.43300 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 32.43300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.03825 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 32.43300 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 32.43300 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 16.01275 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 32.43300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 32.43300 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.03825 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 32.43300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 32.43300 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 16.01275 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 32.02550 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 400 REMARK 400 COMPOUND REMARK 400 THIS IS A MACROPHAGE-RESTRICTED ADHESION MOLECULE THAT REMARK 400 MEDIATES SIALIC-ACID DEPENDENT BINDING TO LYMPHOCYTES, REMARK 400 OTHER EFFECTORS INCLUDE GRANULOCYTES, MONOCYTES, NATURAL REMARK 400 KILLER CELLS AND B-CELLS MEMBER OF THE IMMUNOGLOBULINS REMARK 400 SUPERFAMILY CONTAINING IG- AND V-TYPE DOMAINS. 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 ASP A 119 CA C O CB CG OD1 OD2 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 SER A 16 -147.87 -90.32 REMARK 500 SER A 33 -39.80 -144.61 REMARK 500 ARG A 48 70.91 47.67 REMARK 500 ILE A 100 -59.98 -140.64 REMARK 500 ASN A 104 58.67 -90.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 SUW A 201 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SUW A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QFO RELATED DB: PDB REMARK 900 N-TERMINAL DOMAIN OF SIALOADHESIN (MOUSE) IN COMPLEX WITH 3' REMARK 900 SIALYLLACTOSE REMARK 900 RELATED ID: 1QFP RELATED DB: PDB REMARK 900 N-TERMINAL DOMAIN OF SIALOADHESIN (MOUSE) DBREF 1OD7 A 1 119 UNP Q62230 SN_MOUSE 20 138 SEQRES 1 A 119 THR TRP GLY VAL SER SER PRO LYS ASN VAL GLN GLY LEU SEQRES 2 A 119 SER GLY SER CYS LEU LEU ILE PRO CYS ILE PHE SER TYR SEQRES 3 A 119 PRO ALA ASP VAL PRO VAL SER ASN GLY ILE THR ALA ILE SEQRES 4 A 119 TRP TYR TYR ASP TYR SER GLY LYS ARG GLN VAL VAL ILE SEQRES 5 A 119 HIS SER GLY ASP PRO LYS LEU VAL ASP LYS ARG PHE ARG SEQRES 6 A 119 GLY ARG ALA GLU LEU MET GLY ASN MET ASP HIS LYS VAL SEQRES 7 A 119 CYS ASN LEU LEU LEU LYS ASP LEU LYS PRO GLU ASP SER SEQRES 8 A 119 GLY THR TYR ASN PHE ARG PHE GLU ILE SER ASP SER ASN SEQRES 9 A 119 ARG TRP LEU ASP VAL LYS GLY THR THR VAL THR VAL THR SEQRES 10 A 119 THR ASP HET SUW A 201 33 HETNAM SUW ME-A-9-N-(NAPHTHYL-2-CARBONYL)-AMINO-9-DEOXY-NEU5AC FORMUL 2 SUW C23 H28 N2 O9 HELIX 1 1 ASP A 56 VAL A 60 5 5 HELIX 2 2 ASN A 73 LYS A 77 5 5 HELIX 3 3 LYS A 87 SER A 91 5 5 SHEET 1 AA 2 GLY A 3 SER A 5 0 SHEET 2 AA 2 ILE A 23 SER A 25 -1 O ILE A 23 N SER A 5 SHEET 1 AB 5 ASN A 9 LEU A 13 0 SHEET 2 AB 5 THR A 112 THR A 117 1 O THR A 113 N VAL A 10 SHEET 3 AB 5 GLY A 92 GLU A 99 -1 O GLY A 92 N VAL A 114 SHEET 4 AB 5 THR A 37 TYR A 42 -1 O THR A 37 N GLU A 99 SHEET 5 AB 5 GLN A 49 HIS A 53 -1 O GLN A 49 N TYR A 42 SHEET 1 AC 4 ASN A 9 LEU A 13 0 SHEET 2 AC 4 THR A 112 THR A 117 1 O THR A 113 N VAL A 10 SHEET 3 AC 4 GLY A 92 GLU A 99 -1 O GLY A 92 N VAL A 114 SHEET 4 AC 4 ARG A 105 LEU A 107 -1 O TRP A 106 N PHE A 98 SHEET 1 AD 3 LEU A 18 ILE A 20 0 SHEET 2 AD 3 LEU A 81 LEU A 83 -1 O LEU A 81 N ILE A 20 SHEET 3 AD 3 ALA A 68 LEU A 70 -1 O GLU A 69 N LEU A 82 SSBOND 1 CYS A 22 CYS A 79 1555 1555 2.04 SITE 1 AC1 13 TRP A 2 SER A 5 PRO A 21 CYS A 22 SITE 2 AC1 13 ILE A 23 SER A 25 TYR A 44 ARG A 97 SITE 3 AC1 13 SER A 103 ARG A 105 TRP A 106 LEU A 107 SITE 4 AC1 13 VAL A 109 CRYST1 64.866 64.866 64.051 90.00 90.00 90.00 P 43 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 0.015416 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015416 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015612 0.00000