HEADER LIGAND BINDING PROTEIN 31-DEC-07 3BU1 TITLE CRYSTAL STRUCTURE OF MONOMINE-HISTAMINE COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: LIPOCALIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARGAS MONOLAKENSIS; SOURCE 3 ORGANISM_TAXID: 34602; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET17B KEYWDS BETA BARREL, LIPOCALIN, LIGAND BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR B.J.MANS,J.M.RIBEIRO,J.F.ANDERSEN REVDAT 4 25-OCT-17 3BU1 1 REMARK REVDAT 3 24-FEB-09 3BU1 1 VERSN REVDAT 2 09-SEP-08 3BU1 1 JRNL REVDAT 1 01-APR-08 3BU1 0 JRNL AUTH B.J.MANS,J.M.RIBEIRO,J.F.ANDERSEN JRNL TITL STRUCTURE, FUNCTION, AND EVOLUTION OF BIOGENIC AMINE-BINDING JRNL TITL 2 PROTEINS IN SOFT TICKS. JRNL REF J.BIOL.CHEM. V. 283 18721 2008 JRNL REFN ISSN 0021-9258 JRNL PMID 18445596 JRNL DOI 10.1074/JBC.M800188200 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.66 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 3 NUMBER OF REFLECTIONS : 24290 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 + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.151 REMARK 3 FREE R VALUE : 0.180 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1236 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1657 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.75 REMARK 3 BIN R VALUE (WORKING SET) : 0.1270 REMARK 3 BIN FREE R VALUE SET COUNT : 83 REMARK 3 BIN FREE R VALUE : 0.1780 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1075 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 231 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 11.12 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.14000 REMARK 3 B22 (A**2) : 0.13000 REMARK 3 B33 (A**2) : 0.01000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.074 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.062 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.032 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.707 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.965 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.953 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1110 ; 0.006 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1511 ; 1.053 ; 1.935 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 143 ; 5.986 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 50 ;33.966 ;25.400 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 165 ;10.074 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;19.352 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 167 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 853 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 521 ; 0.191 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 778 ; 0.299 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 179 ; 0.096 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 45 ; 0.173 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 38 ; 0.183 ; 0.200 REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 717 ; 0.651 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1137 ; 1.100 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 439 ; 2.050 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 374 ; 2.667 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): 1156 ; 1.590 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 231 ; 2.213 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1088 ; 1.672 ; 3.000 REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3BU1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JAN-08. REMARK 100 THE DEPOSITION ID IS D_1000045955. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-MAR-07 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97921 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SBC-3 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24335 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 40.660 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 7.600 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.10 REMARK 200 R MERGE FOR SHELL (I) : 0.21000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 8.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.90 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2 M AMMONIUM SULFATE, 100 MM TRIS HCL, REMARK 280 PH 7.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.0K 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 18.20900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 29.38700 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.16200 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 29.38700 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 18.20900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.16200 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 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 MET A 0 REMARK 465 GLN A 1 REMARK 465 GLN A 2 REMARK 465 GLN A 3 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 ND2 ASN A 74 O HOH A 371 3645 1.93 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 SER A 91 -45.30 -137.89 REMARK 500 ASN A 118 120.73 -39.63 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSM A 301 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3BRN RELATED DB: PDB REMARK 900 RELATED ID: 3BS2 RELATED DB: PDB REMARK 900 RELATED ID: 3BU9 RELATED DB: PDB DBREF 3BU1 A 1 147 UNP Q09JX9 Q09JX9_9ACAR 17 163 SEQADV 3BU1 MET A 0 UNP Q09JX9 INITIATING METHIONINE SEQRES 1 A 148 MET GLN GLN GLN CYS ASP THR VAL SER ALA TRP GLN SER SEQRES 2 A 148 LEU ARG GLY PRO GLY THR GLY GLY TYR TYR LEU PHE LYS SEQRES 3 A 148 THR THR GLU GLY GLY LYS THR ASP CYS THR TYR VAL LYS SEQRES 4 A 148 GLY SER ASN PHE ASN ASP ALA ALA GLN THR ALA THR TYR SEQRES 5 A 148 THR TYR GLY ASN LEU GLY SER GLY ASN GLN LEU THR GLN SEQRES 6 A 148 GLN THR ALA SER ALA SER ILE SER GLY ASN ALA ILE VAL SEQRES 7 A 148 VAL GLY THR ASP HIS SER GLU VAL LEU TYR SER ASP GLY SEQRES 8 A 148 SER THR CYS ASP VAL VAL ARG LEU ASN GLY GLN ILE GLU SEQRES 9 A 148 LEU TRP ILE HIS SER SER ALA THR SER ASN THR GLY ASN SEQRES 10 A 148 LEU ASN SER CYS CYS THR ASP LYS PHE ASN GLN GLU LYS SEQRES 11 A 148 GLY SER ARG PRO GLU HIS VAL VAL TYR ARG SER THR CYS SEQRES 12 A 148 PRO ASN LEU PRO GLN HET SO4 A 300 5 HET HSM A 301 8 HETNAM SO4 SULFATE ION HETNAM HSM HISTAMINE FORMUL 2 SO4 O4 S 2- FORMUL 3 HSM C5 H9 N3 FORMUL 4 HOH *231(H2 O) HELIX 1 1 SER A 8 GLY A 15 1 8 HELIX 2 2 SER A 109 THR A 111 5 3 HELIX 3 3 ASN A 118 GLY A 130 1 13 SHEET 1 A10 HIS A 135 VAL A 136 0 SHEET 2 A10 TYR A 21 THR A 26 -1 N THR A 26 O HIS A 135 SHEET 3 A10 GLN A 101 HIS A 107 -1 O LEU A 104 N LYS A 25 SHEET 4 A10 CYS A 93 LEU A 98 -1 N ASP A 94 O TRP A 105 SHEET 5 A10 ASP A 81 SER A 88 -1 N TYR A 87 O VAL A 95 SHEET 6 A10 ALA A 75 VAL A 78 -1 N ILE A 76 O SER A 83 SHEET 7 A10 GLN A 65 SER A 72 -1 N SER A 70 O VAL A 77 SHEET 8 A10 THR A 48 GLY A 54 -1 N TYR A 51 O ALA A 67 SHEET 9 A10 TYR A 36 ASN A 43 -1 N ASN A 43 O THR A 48 SHEET 10 A10 TYR A 21 THR A 26 -1 N TYR A 21 O VAL A 37 SSBOND 1 CYS A 4 CYS A 120 1555 1555 2.03 SSBOND 2 CYS A 34 CYS A 142 1555 1555 2.04 SSBOND 3 CYS A 93 CYS A 121 1555 1555 2.03 SITE 1 AC1 10 TRP A 10 GLN A 11 ARG A 14 ASN A 116 SITE 2 AC1 10 SER A 131 ARG A 132 HOH A 333 HOH A 345 SITE 3 AC1 10 HOH A 467 HOH A 479 SITE 1 AC2 7 SER A 12 TYR A 21 TYR A 51 ASP A 94 SITE 2 AC2 7 TRP A 105 HOH A 309 HOH A 336 CRYST1 36.418 56.324 58.774 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 0.027459 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017754 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017014 0.00000