HEADER CELL ADHESION/INHIBITOR 17-SEP-13 4MRE TITLE CRYSTAL STRUCTURE OF THE MURINE CD44 HYALURONAN BINDING DOMAIN COMPLEX TITLE 2 WITH A SMALL MOLECULE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CD44 ANTIGEN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: HYALURONAN BINDING DOMAIN, RESIDUES 23-171; COMPND 5 SYNONYM: EXTRACELLULAR MATRIX RECEPTOR III, ECMR-III, GP90 LYMPHOCYTE COMPND 6 HOMING/ADHESION RECEPTOR, HUTCH-I, HERMES ANTIGEN, HYALURONATE COMPND 7 RECEPTOR, LYMPHOCYTE ANTIGEN 24, LY-24, PHAGOCYTIC GLYCOPROTEIN 1, COMPND 8 PGP-1, PHAGOCYTIC GLYCOPROTEIN I, PGP-I; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: CD44, CD44 LY-24, LY-24; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PMCSG7 KEYWDS LINK MODULE, CELL RECEPTOR, HYALURONAN BINDING, CELL SURFACE, CELL KEYWDS 2 ADHESION-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR L.K.LIU,B.FINZEL REVDAT 3 06-NOV-24 4MRE 1 REMARK REVDAT 2 20-SEP-23 4MRE 1 REMARK SEQADV REVDAT 1 16-APR-14 4MRE 0 JRNL AUTH L.K.LIU,B.C.FINZEL JRNL TITL FRAGMENT-BASED IDENTIFICATION OF AN INDUCIBLE BINDING SITE JRNL TITL 2 ON CELL SURFACE RECEPTOR CD44 FOR THE DESIGN OF JRNL TITL 3 PROTEIN-CARBOHYDRATE INTERACTION INHIBITORS. JRNL REF J.MED.CHEM. V. 57 2714 2014 JRNL REFN ISSN 0022-2623 JRNL PMID 24606063 JRNL DOI 10.1021/JM5000276 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.BANERJI,A.J.WRIGHT,M.NOBLE,D.J.MAHONEY,I.D.CAMPBELL, REMARK 1 AUTH 2 A.J.DAY,D.G.JACKSON REMARK 1 TITL STRUCTURES OF THE CD44-HYALURONAN COMPLEX PROVIDE INSIGHT REMARK 1 TITL 2 INTO A FUNDAMENTAL CARBOHYDRATE-PROTEIN INTERACTION. REMARK 1 REF NAT.STRUCT.MOL.BIOL. V. 14 234 2007 REMARK 1 REFN ISSN 1545-9993 REMARK 1 PMID 17293874 REMARK 1 DOI 10.1038/NSMB1201 REMARK 2 REMARK 2 RESOLUTION. 1.58 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.58 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.12 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 17623 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) : 0.186 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 945 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) : 1.58 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.62 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1136 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.29 REMARK 3 BIN R VALUE (WORKING SET) : 0.1630 REMARK 3 BIN FREE R VALUE SET COUNT : 54 REMARK 3 BIN FREE R VALUE : 0.1950 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1171 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 13 REMARK 3 SOLVENT ATOMS : 56 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.25000 REMARK 3 B22 (A**2) : 0.10000 REMARK 3 B33 (A**2) : 0.10000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.06000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.095 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.097 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.053 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.410 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.937 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.907 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1235 ; 0.015 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1686 ; 1.530 ; 1.943 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 155 ; 6.865 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;35.731 ;24.167 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 191 ;11.002 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;21.875 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 188 ; 0.101 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 965 ; 0.008 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): 766 ; 0.966 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1252 ; 1.805 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 469 ; 3.019 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 434 ; 4.820 ; 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): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL 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 : 1.40 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4MRE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-SEP-13. REMARK 100 THE DEPOSITION ID IS D_1000082271. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-JUL-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.000 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.16 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18681 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.580 REMARK 200 RESOLUTION RANGE LOW (A) : 41.120 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 200 DATA REDUNDANCY : 3.300 REMARK 200 R MERGE (I) : 0.06100 REMARK 200 R SYM (I) : 0.08300 REMARK 200 FOR THE DATA SET : 18.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.58 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.67 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.20100 REMARK 200 R SYM FOR SHELL (I) : 0.20100 REMARK 200 FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.1.4 REMARK 200 STARTING MODEL: PDB ENTRY 2JCP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.94 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG MME 5000, 100 MM MES, 200 MM REMARK 280 (NH4)2SO4, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 41.12100 REMARK 290 SMTRY3 2 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 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 ARG A 159 NE - CZ - NH2 ANGL. DEV. = -3.3 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 CYS A 32 153.58 -49.68 REMARK 500 SER A 47 13.14 -158.82 REMARK 500 GLU A 131 -131.86 -116.88 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 DMS A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2C9 A 202 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MRD RELATED DB: PDB REMARK 900 RELATED ID: 4MRF RELATED DB: PDB REMARK 900 RELATED ID: 4MRG RELATED DB: PDB REMARK 900 RELATED ID: 4MRH RELATED DB: PDB REMARK 900 RELATED ID: 4NP2 RELATED DB: PDB REMARK 900 RELATED ID: 4NP3 RELATED DB: PDB DBREF 4MRE A 25 173 UNP P15379 CD44_MOUSE 23 171 SEQADV 4MRE ASN A 24 UNP P15379 EXPRESSION TAG SEQRES 1 A 150 ASN GLN ILE ASP LEU ASN VAL THR CYS ARG TYR ALA GLY SEQRES 2 A 150 VAL PHE HIS VAL GLU LYS ASN GLY ARG TYR SER ILE SER SEQRES 3 A 150 ARG THR GLU ALA ALA ASP LEU CYS GLN ALA PHE ASN SER SEQRES 4 A 150 THR LEU PRO THR MET ASP GLN MET LYS LEU ALA LEU SER SEQRES 5 A 150 LYS GLY PHE GLU THR CYS ARG TYR GLY PHE ILE GLU GLY SEQRES 6 A 150 ASN VAL VAL ILE PRO ARG ILE HIS PRO ASN ALA ILE CYS SEQRES 7 A 150 ALA ALA ASN HIS THR GLY VAL TYR ILE LEU VAL THR SER SEQRES 8 A 150 ASN THR SER HIS TYR ASP THR TYR CYS PHE ASN ALA SER SEQRES 9 A 150 ALA PRO PRO GLU GLU ASP CYS THR SER VAL THR ASP LEU SEQRES 10 A 150 PRO ASN SER PHE ASP GLY PRO VAL THR ILE THR ILE VAL SEQRES 11 A 150 ASN ARG ASP GLY THR ARG TYR SER LYS LYS GLY GLU TYR SEQRES 12 A 150 ARG THR HIS GLN GLU ASP ILE HET DMS A 201 4 HET 2C9 A 202 9 HETNAM DMS DIMETHYL SULFOXIDE HETNAM 2C9 3-METHYLBENZENE-1,2-DIAMINE FORMUL 2 DMS C2 H6 O S FORMUL 3 2C9 C7 H10 N2 FORMUL 4 HOH *56(H2 O) HELIX 1 1 SER A 49 PHE A 60 1 12 HELIX 2 2 THR A 66 LYS A 76 1 11 HELIX 3 3 CYS A 101 HIS A 105 5 5 HELIX 4 4 HIS A 169 ILE A 173 5 5 SHEET 1 A 8 GLY A 107 ILE A 110 0 SHEET 2 A 8 VAL A 90 ARG A 94 -1 N ARG A 94 O GLY A 107 SHEET 3 A 8 GLY A 84 PHE A 85 -1 N GLY A 84 O VAL A 91 SHEET 4 A 8 ASP A 120 PHE A 124 1 O TYR A 122 N PHE A 85 SHEET 5 A 8 VAL A 37 LYS A 42 -1 N VAL A 40 O THR A 121 SHEET 6 A 8 GLN A 25 VAL A 30 -1 N ASN A 29 O GLU A 41 SHEET 7 A 8 PHE A 144 ASN A 154 1 O THR A 151 N LEU A 28 SHEET 8 A 8 ARG A 159 GLU A 165 -1 O TYR A 160 N ILE A 152 SHEET 1 B 2 ARG A 33 TYR A 34 0 SHEET 2 B 2 GLU A 132 ASP A 133 -1 O ASP A 133 N ARG A 33 SSBOND 1 CYS A 32 CYS A 134 1555 1555 2.10 SSBOND 2 CYS A 57 CYS A 123 1555 1555 2.10 SSBOND 3 CYS A 81 CYS A 101 1555 1555 2.10 SITE 1 AC1 10 CYS A 32 GLY A 88 ASN A 89 CYS A 134 SITE 2 AC1 10 THR A 135 SER A 136 ARG A 155 ASP A 156 SITE 3 AC1 10 HOH A 318 HOH A 323 SITE 1 AC2 8 ASN A 29 VAL A 30 THR A 31 GLU A 41 SITE 2 AC2 8 VAL A 153 ARG A 155 HOH A 314 HOH A 317 CRYST1 30.863 82.242 32.074 90.00 117.66 90.00 P 1 21 1 2 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 0.032401 0.000000 0.016979 0.00000 SCALE2 0.000000 0.012159 0.000000 0.00000 SCALE3 0.000000 0.000000 0.035199 0.00000