HEADER IMMUNE SYSTEM/HYDROLASE 17-NOV-03 1RI8 TITLE CRYSTAL STRUCTURE OF THE CAMELID SINGLE DOMAIN ANTIBODY 1D2L19 IN TITLE 2 COMPLEX WITH HEN EGG WHITE LYSOZYME COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAMELID ANTIBODY HEAVY CHAIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: VHH DOMAIN, VARIABLE DOMAIN; COMPND 5 SYNONYM: 1D2L19; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: LYSOZYME C; COMPND 9 CHAIN: B; COMPND 10 SYNONYM: 1,4-BETA-N-ACETYLMURAMIDASE C, ALLERGEN GAL D 4, GAL D IV; COMPND 11 EC: 3.2.1.17 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CAMELUS DROMEDARIUS; SOURCE 3 ORGANISM_COMMON: ARABIAN CAMEL; SOURCE 4 ORGANISM_TAXID: 9838; SOURCE 5 TISSUE: BLOOD LYMPHOCYTES; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: WK6SU; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PHEN; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: GALLUS GALLUS; SOURCE 13 ORGANISM_COMMON: CHICKEN; SOURCE 14 ORGANISM_TAXID: 9031; SOURCE 15 TISSUE: EGG WHITE KEYWDS BETA SANDWICH, IMMUNOGLOBULIN FOLD, VHH-LYSOZYME COMPLEX, ALPHA-BETA KEYWDS 2 ORTHOGONAL BUNDLE, IMMUNE SYSTEM-HYDROLASE COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR E.DE GENST,K.SILENCE,M.A.GHAHROUDI,K.DECANNIERE,R.LORIS,J.KINNE, AUTHOR 2 L.WYNS,S.MUYLDERMANS REVDAT 4 13-JUL-11 1RI8 1 VERSN REVDAT 3 24-FEB-09 1RI8 1 VERSN REVDAT 2 19-APR-05 1RI8 1 JRNL REVDAT 1 01-FEB-05 1RI8 0 JRNL AUTH E.DE GENST,K.SILENCE,M.A.GHAHROUDI,K.DECANNIERE,R.LORIS, JRNL AUTH 2 J.KINNE,L.WYNS,S.MUYLDERMANS JRNL TITL STRONG IN VIVO MATURATION COMPENSATES FOR STRUCTURALLY JRNL TITL 2 RESTRICTED H3 LOOPS IN ANTIBODY REPERTOIRES. JRNL REF J.BIOL.CHEM. V. 280 14114 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15659390 JRNL DOI 10.1074/JBC.M413011200 REMARK 2 REMARK 2 RESOLUTION. 1.85 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.85 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.17 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1680835.140 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 24895 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) : 0.173 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1254 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.85 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.97 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 91.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3601 REMARK 3 BIN R VALUE (WORKING SET) : 0.2020 REMARK 3 BIN FREE R VALUE : 0.2530 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 188 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1886 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 231 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.21000 REMARK 3 B22 (A**2) : 0.90000 REMARK 3 B33 (A**2) : 0.31000 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) : 0.17 REMARK 3 ESD FROM SIGMAA (A) : 0.06 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) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.14 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.014 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.92 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) : 2.330 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.960 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.600 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.750 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 46.65 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1RI8 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-NOV-03. REMARK 100 THE RCSB ID CODE IS RCSB020767. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-MAR-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 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) : 0.933 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24895 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.850 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 (%) : 98.4 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.07700 REMARK 200 R SYM (I) : 0.07700 REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.85 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.25000 REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 FOR SHELL : 5.700 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, LITHIUM SULPHATE, TRIS-HCL, REMARK 280 GLYCEROL, SODIUM CHLORIDE, POTASSIUM PHOSPHATE, PH 8.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 25.74800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.22700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.71500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.22700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.74800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.71500 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: DIMERIC 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 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 ASP A 1 REMARK 465 ARG A 126 REMARK 465 GLY A 127 REMARK 465 ARG A 128 REMARK 465 HIS A 129 REMARK 465 HIS A 130 REMARK 465 HIS A 131 REMARK 465 HIS A 132 REMARK 465 HIS A 133 REMARK 465 HIS A 134 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 GLN A 3 CG CD OE1 NE2 REMARK 470 GLN A 13 OE1 REMARK 470 LYS A 28 CG CD CE NZ REMARK 470 ARG A 39 NE CZ NH1 NH2 REMARK 470 LYS A 43 CE NZ REMARK 470 GLU A 44 CG CD OE1 OE2 REMARK 470 LYS A 64 CD CE NZ REMARK 470 GLU A 88 CG CD OE1 OE2 REMARK 470 GLN A 117 CG CD OE1 NE2 REMARK 470 SER A 124 OG REMARK 470 SER A 125 OG REMARK 470 ARG B 68 NE CZ NH1 NH2 REMARK 470 ARG B 73 CD NE CZ NH1 NH2 REMARK 470 LYS B 97 CE NZ REMARK 470 ARG B 112 CZ NH1 NH2 REMARK 470 ARG B 128 CG CD NE CZ NH1 NH2 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 ALA A 91 173.37 174.98 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 236 DISTANCE = 5.06 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 1758 REMARK 999 REMARK 999 SEQUENCE THE SEQUENCE OF CAMELID HEAVY CHAIN ANTIBODY (CHAIN A) IS REMARK 999 NOT AVAILABLE IN ANY REFERENCE SEQUENCE DATABASE. DBREF 1RI8 B 1 129 UNP P00698 LYSC_CHICK 19 147 DBREF 1RI8 A 1 134 PDB 1RI8 1RI8 1 134 SEQRES 1 A 134 ASP VAL GLN LEU VAL GLU SER GLY GLY GLY SER VAL GLN SEQRES 2 A 134 ALA GLY GLY SER LEU ARG LEU SER CYS ALA VAL SER GLY SEQRES 3 A 134 TYR LYS ASP ARG ASN TYR CYS MET GLY TRP PHE ARG ARG SEQRES 4 A 134 ALA PRO GLY LYS GLU ARG GLU GLY VAL ALA VAL ILE ASP SEQRES 5 A 134 SER SER GLY ARG THR ALA TYR ALA ASP SER VAL LYS GLY SEQRES 6 A 134 ARG PHE THR ILE SER ARG ASP VAL ALA LEU ASP THR ALA SEQRES 7 A 134 TYR LEU GLN MET ASN SER LEU LYS PRO GLU ASP THR ALA SEQRES 8 A 134 MET TYR TYR CYS ALA ALA GLY TRP SER SER LEU GLY SER SEQRES 9 A 134 CYS GLY THR ASN ARG ASN ARG TYR ASN TYR TRP GLY GLN SEQRES 10 A 134 GLY THR GLN VAL THR VAL SER SER ARG GLY ARG HIS HIS SEQRES 11 A 134 HIS HIS HIS HIS SEQRES 1 B 129 LYS VAL PHE GLY ARG CYS GLU LEU ALA ALA ALA MET LYS SEQRES 2 B 129 ARG HIS GLY LEU ASP ASN TYR ARG GLY TYR SER LEU GLY SEQRES 3 B 129 ASN TRP VAL CYS ALA ALA LYS PHE GLU SER ASN PHE ASN SEQRES 4 B 129 THR GLN ALA THR ASN ARG ASN THR ASP GLY SER THR ASP SEQRES 5 B 129 TYR GLY ILE LEU GLN ILE ASN SER ARG TRP TRP CYS ASN SEQRES 6 B 129 ASP GLY ARG THR PRO GLY SER ARG ASN LEU CYS ASN ILE SEQRES 7 B 129 PRO CYS SER ALA LEU LEU SER SER ASP ILE THR ALA SER SEQRES 8 B 129 VAL ASN CYS ALA LYS LYS ILE VAL SER ASP GLY ASN GLY SEQRES 9 B 129 MET ASN ALA TRP VAL ALA TRP ARG ASN ARG CYS LYS GLY SEQRES 10 B 129 THR ASP VAL GLN ALA TRP ILE ARG GLY CYS ARG LEU HET GOL B1758 6 HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 3 GOL C3 H8 O3 FORMUL 4 HOH *231(H2 O) HELIX 1 1 VAL A 73 LEU A 75 5 3 HELIX 2 2 LYS A 86 THR A 90 5 5 HELIX 3 3 ASN A 108 ASN A 110 5 3 HELIX 4 4 GLY B 4 HIS B 15 1 12 HELIX 5 5 ASN B 19 TYR B 23 5 5 HELIX 6 6 SER B 24 ASN B 37 1 14 HELIX 7 7 PRO B 79 SER B 85 5 7 HELIX 8 8 ILE B 88 SER B 100 1 13 HELIX 9 9 ASN B 103 ALA B 107 5 5 HELIX 10 10 TRP B 108 CYS B 115 1 8 HELIX 11 11 ASP B 119 ARG B 125 5 7 SHEET 1 A 4 GLN A 3 SER A 7 0 SHEET 2 A 4 LEU A 18 SER A 25 -1 O SER A 25 N GLN A 3 SHEET 3 A 4 THR A 77 MET A 82 -1 O MET A 82 N LEU A 18 SHEET 4 A 4 PHE A 67 ASP A 72 -1 N THR A 68 O GLN A 81 SHEET 1 B 6 GLY A 10 GLN A 13 0 SHEET 2 B 6 THR A 119 SER A 124 1 O THR A 122 N GLY A 10 SHEET 3 B 6 ALA A 91 TRP A 99 -1 N TYR A 93 O THR A 119 SHEET 4 B 6 TYR A 32 ARG A 39 -1 N PHE A 37 O TYR A 94 SHEET 5 B 6 GLU A 46 ILE A 51 -1 O ILE A 51 N MET A 34 SHEET 6 B 6 THR A 57 TYR A 59 -1 O ALA A 58 N VAL A 50 SHEET 1 C 4 GLY A 10 GLN A 13 0 SHEET 2 C 4 THR A 119 SER A 124 1 O THR A 122 N GLY A 10 SHEET 3 C 4 ALA A 91 TRP A 99 -1 N TYR A 93 O THR A 119 SHEET 4 C 4 TYR A 112 TRP A 115 -1 O TYR A 114 N ALA A 97 SHEET 1 D 3 THR B 43 ARG B 45 0 SHEET 2 D 3 THR B 51 TYR B 53 -1 O ASP B 52 N ASN B 44 SHEET 3 D 3 ILE B 58 ASN B 59 -1 O ILE B 58 N TYR B 53 SSBOND 1 CYS A 22 CYS A 95 1555 1555 2.03 SSBOND 2 CYS A 33 CYS A 105 1555 1555 2.03 SSBOND 3 CYS B 6 CYS B 127 1555 1555 2.02 SSBOND 4 CYS B 30 CYS B 115 1555 1555 2.04 SSBOND 5 CYS B 64 CYS B 80 1555 1555 2.04 SSBOND 6 CYS B 76 CYS B 94 1555 1555 2.03 SITE 1 AC1 9 ARG A 111 GLU B 35 ASP B 52 GLN B 57 SITE 2 AC1 9 ASN B 59 ALA B 107 VAL B 109 HOH B1788 SITE 3 AC1 9 HOH B1830 CRYST1 51.496 53.430 104.454 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 0.019419 0.000000 0.000000 0.00000 SCALE2 0.000000 0.018716 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009574 0.00000