HEADER IMMUNOGLOBULIN 09-MAY-89 1MCW TITLE THREE-DIMENSIONAL STRUCTURE OF A HYBRID LIGHT CHAIN DIMER. PROTEIN TITLE 2 ENGINEERING OF A BINDING CAVITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMMUNOGLOBULIN WEIR (LIGHT CHAIN); COMPND 3 CHAIN: W; COMPND 4 MOL_ID: 2; COMPND 5 MOLECULE: IMMUNOGLOBULIN MCG (LIGHT CHAIN); COMPND 6 CHAIN: M SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 7 ORGANISM_COMMON: HUMAN; SOURCE 8 ORGANISM_TAXID: 9606 KEYWDS IMMUNOGLOBULIN EXPDTA X-RAY DIFFRACTION AUTHOR K.R.ELY,J.N.HERRON,A.B.EDMUNDSON REVDAT 3 25-DEC-19 1MCW 1 SEQADV SEQRES LINK REVDAT 2 24-FEB-09 1MCW 1 VERSN REVDAT 1 15-OCT-90 1MCW 0 JRNL AUTH K.R.ELY,J.N.HERRON,A.B.EDMUNDSON JRNL TITL THREE-DIMENSIONAL STRUCTURE OF A HYBRID LIGHT CHAIN DIMER: JRNL TITL 2 PROTEIN ENGINEERING OF A BINDING CAVITY. JRNL REF MOL.IMMUNOL. V. 27 101 1990 JRNL REFN ISSN 0161-5890 JRNL PMID 2108322 JRNL DOI 10.1016/0161-5890(90)90105-9 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.R.ELY,M.K.WOOD,S.S.RAJAN,J.M.HODSDON,E.E.ABOLA, REMARK 1 AUTH 2 H.F.DEUTSCH,A.B.EDMUNDSON REMARK 1 TITL UNEXPECTED SIMILARITIES IN THE CRYSTAL STRUCTURES OF THE MCG REMARK 1 TITL 2 LIGHT-CHAIN DIMER AND ITS HYBRID WITH THE WEIR PROTEIN REMARK 1 REF MOL.IMMUNOL. V. 22 93 1985 REMARK 1 REFN ISSN 0161-5890 REMARK 2 REMARK 2 RESOLUTION. 3.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.170 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3217 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MCW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174954. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL 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 (%): 59.86 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.06 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 61.96667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 123.93333 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 123.93333 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 61.96667 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3180 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20290 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: W, M 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 DBREF 1MCW W 2 215 PIR S25758 S25758 21 234 DBREF 1MCW M 2 216 PIR S14675 S14675 21 235 SEQADV 1MCW VAL W 20 PIR S25758 ILE 39 CONFLICT SEQADV 1MCW ALA W 23 PIR S25758 THR 42 CONFLICT SEQADV 1MCW HIS W 25 PIR S25758 SER 44 CONFLICT SEQADV 1MCW THR W 26 PIR S25758 SER 45 CONFLICT SEQADV 1MCW ALA W 30 PIR S25758 GLY 49 CONFLICT SEQADV 1MCW ASP W 31 PIR S25758 GLY 50 CONFLICT SEQADV 1MCW SER W 32 PIR S25758 TYR 51 CONFLICT SEQADV 1MCW SER W 34 PIR S25758 TYR 53 CONFLICT SEQADV 1MCW ILE W 35 PIR S25758 VAL 54 CONFLICT SEQADV 1MCW PHE W 38 PIR S25758 TYR 57 CONFLICT SEQADV 1MCW ASP W 43 PIR S25758 GLY 62 CONFLICT SEQADV 1MCW LEU W 49 PIR S25758 MET 68 CONFLICT SEQADV 1MCW ALA W 52 PIR S25758 ASP 71 CONFLICT SEQADV 1MCW PHE W 55 PIR S25758 ASN 74 CONFLICT SEQADV 1MCW ILE W 60 PIR S25758 VAL 79 CONFLICT SEQADV 1MCW PRO W 61 PIR S25758 SER 80 CONFLICT SEQADV 1MCW LEU W 62 PIR S25758 ASN 81 CONFLICT SEQADV 1MCW LEU W 81 PIR S25758 GLN 100 CONFLICT SEQADV 1MCW ASP W 83 PIR S25758 GLU 102 CONFLICT SEQADV 1MCW PHE W 89 PIR S25758 TYR 108 CONFLICT SEQADV 1MCW MET W 91 PIR S25758 THR 110 CONFLICT SEQADV 1MCW TYR W 93 PIR S25758 LYS 112 CONFLICT SEQADV 1MCW LEU W 94 PIR S25758 THR 113 CONFLICT SEQADV 1MCW ASP W 96 PIR S25758 INSERTION SEQADV 1MCW ALA W 97 PIR S25758 SER 115 CONFLICT SEQADV 1MCW W PIR S25758 TYR 118 DELETION SEQADV 1MCW SER W 103 PIR S25758 THR 122 CONFLICT SEQADV 1MCW THR W 108 PIR S25758 SER 127 CONFLICT SEQADV 1MCW ARG W 111 PIR S25758 GLY 130 CONFLICT SEQADV 1MCW GLU W 160 PIR S25758 LYS 179 CONFLICT SEQADV 1MCW ILE M 20 PIR S14675 PHE 39 CONFLICT SEQADV 1MCW THR M 23 PIR S14675 SER 42 CONFLICT SEQADV 1MCW VAL M 29 PIR S14675 ILE 48 CONFLICT SEQADV 1MCW GLY M 31 PIR S14675 ASN 50 CONFLICT SEQADV 1MCW GLN M 39 PIR S14675 ARG 58 CONFLICT SEQADV 1MCW ALA M 42 PIR S14675 PRO 61 CONFLICT SEQADV 1MCW VAL M 48 PIR S14675 LEU 67 CONFLICT SEQADV 1MCW ILE M 49 PIR S14675 MET 68 CONFLICT SEQADV 1MCW ASN M 54 PIR S14675 THR 73 CONFLICT SEQADV 1MCW ASP M 62 PIR S14675 ASN 81 CONFLICT SEQADV 1MCW GLU M 94 PIR S14675 ALA 113 CONFLICT SEQADV 1MCW ASP M 97 PIR S14675 ASN 116 CONFLICT SEQADV 1MCW ASN M 98 PIR S14675 SER 117 CONFLICT SEQADV 1MCW PHE M 99 PIR S14675 LEU 118 CONFLICT SEQADV 1MCW VAL M 100 PIR S14675 ILE 119 CONFLICT SEQADV 1MCW THR M 103 PIR S14675 GLY 122 CONFLICT SEQADV 1MCW LYS M 106 PIR S14675 ARG 125 CONFLICT SEQADV 1MCW VAL M 107 PIR S14675 LEU 126 CONFLICT SEQADV 1MCW ASN M 116 PIR S14675 ALA 135 CONFLICT SEQADV 1MCW THR M 118 PIR S14675 SER 137 CONFLICT SEQADV 1MCW GLY M 156 PIR S14675 SER 175 CONFLICT SEQADV 1MCW LYS M 167 PIR S14675 THR 186 CONFLICT SEQRES 1 W 216 PCA SER ALA LEU THR GLN PRO ALA SER VAL SER GLY SER SEQRES 2 W 216 PRO GLY GLN SER ILE THR VAL SER CYS ALA GLY HIS THR SEQRES 3 W 216 SER ASP VAL ALA ASP SER ASN SER ILE SER TRP PHE GLN SEQRES 4 W 216 GLN HIS PRO ASP LYS ALA PRO LYS LEU LEU ILE TYR ALA SEQRES 5 W 216 VAL THR PHE ARG PRO SER GLY ILE PRO LEU ARG PHE SER SEQRES 6 W 216 GLY SER LYS SER GLY ASN THR ALA SER LEU THR ILE SER SEQRES 7 W 216 GLY LEU LEU PRO ASP ASP GLU ALA ASP TYR PHE CYS MET SEQRES 8 W 216 SER TYR LEU SER ASP ALA SER PHE VAL PHE GLY SER GLY SEQRES 9 W 216 THR LYS VAL THR VAL LEU ARG GLN PRO LYS ALA ASN PRO SEQRES 10 W 216 THR VAL THR LEU PHE PRO PRO SER SER GLU GLU LEU GLN SEQRES 11 W 216 ALA ASN LYS ALA THR LEU VAL CYS LEU ILE SER ASP PHE SEQRES 12 W 216 TYR PRO GLY ALA VAL THR VAL ALA TRP LYS ALA ASP GLY SEQRES 13 W 216 SER PRO VAL GLU ALA GLY VAL GLU THR THR LYS PRO SER SEQRES 14 W 216 LYS GLN SER ASN ASN LYS TYR ALA ALA SER SER TYR LEU SEQRES 15 W 216 SER LEU THR PRO GLU GLN TRP LYS SER HIS ARG SER TYR SEQRES 16 W 216 SER CYS GLN VAL THR HIS GLU GLY SER THR VAL GLU LYS SEQRES 17 W 216 THR VAL ALA PRO THR GLU CYS SER SEQRES 1 M 216 PCA SER ALA LEU THR GLN PRO PRO SER ALA SER GLY SER SEQRES 2 M 216 LEU GLY GLN SER VAL THR ILE SER CYS THR GLY THR SER SEQRES 3 M 216 SER ASP VAL GLY GLY TYR ASN TYR VAL SER TRP TYR GLN SEQRES 4 M 216 GLN HIS ALA GLY LYS ALA PRO LYS VAL ILE ILE TYR GLU SEQRES 5 M 216 VAL ASN LYS ARG PRO SER GLY VAL PRO ASP ARG PHE SER SEQRES 6 M 216 GLY SER LYS SER GLY ASN THR ALA SER LEU THR VAL SER SEQRES 7 M 216 GLY LEU GLN ALA GLU ASP GLU ALA ASP TYR TYR CYS SER SEQRES 8 M 216 SER TYR GLU GLY SER ASP ASN PHE VAL PHE GLY THR GLY SEQRES 9 M 216 THR LYS VAL THR VAL LEU GLY GLN PRO LYS ALA ASN PRO SEQRES 10 M 216 THR VAL THR LEU PHE PRO PRO SER SER GLU GLU LEU GLN SEQRES 11 M 216 ALA ASN LYS ALA THR LEU VAL CYS LEU ILE SER ASP PHE SEQRES 12 M 216 TYR PRO GLY ALA VAL THR VAL ALA TRP LYS ALA ASP GLY SEQRES 13 M 216 SER PRO VAL LYS ALA GLY VAL GLU THR THR LYS PRO SER SEQRES 14 M 216 LYS GLN SER ASN ASN LYS TYR ALA ALA SER SER TYR LEU SEQRES 15 M 216 SER LEU THR PRO GLU GLN TRP LYS SER HIS ARG SER TYR SEQRES 16 M 216 SER CYS GLN VAL THR HIS GLU GLY SER THR VAL GLU LYS SEQRES 17 M 216 THR VAL ALA PRO THR GLU CYS SER MODRES 1MCW PCA W 1 GLN PYROGLUTAMIC ACID MODRES 1MCW PCA M 1 GLN PYROGLUTAMIC ACID HET PCA W 1 8 HET PCA M 1 8 HETNAM PCA PYROGLUTAMIC ACID FORMUL 1 PCA 2(C5 H7 N O3) HELIX 1 1 THR W 26 ASP W 31 1 6 HELIX 2 2 LEU W 81 GLU W 85 5 5 HELIX 3 3 SER W 125 GLN W 130 1 6 HELIX 4 4 PRO W 186 HIS W 192 1 7 HELIX 5 5 SER M 125 ALA M 131 1 7 HELIX 6 6 THR M 185 HIS M 192 1 8 SHEET 1 A 3 SER W 17 ALA W 23 0 SHEET 2 A 3 THR W 72 SER W 78 -1 N ALA W 73 O CYS W 22 SHEET 3 A 3 SER W 65 GLY W 66 -1 O SER W 65 N THR W 76 SHEET 1 B 3 TRP W 37 PHE W 38 0 SHEET 2 B 3 PHE W 89 MET W 91 -1 O PHE W 89 N PHE W 38 SHEET 3 B 3 PHE W 101 GLY W 102 -1 O GLY W 102 N CYS W 90 SHEET 1 C 4 THR W 118 PHE W 122 0 SHEET 2 C 4 VAL W 137 SER W 141 -1 O VAL W 137 N PHE W 122 SHEET 3 C 4 SER W 179 LEU W 182 -1 O SER W 180 N CYS W 138 SHEET 4 C 4 VAL W 163 THR W 166 -1 O GLU W 164 N TYR W 181 SHEET 1 D 3 VAL W 148 TRP W 152 0 SHEET 2 D 3 CYS W 197 HIS W 201 -1 O GLN W 198 N ALA W 151 SHEET 3 D 3 THR W 205 LYS W 208 -1 O VAL W 206 N VAL W 199 SHEET 1 E 2 SER M 11 SER M 13 0 SHEET 2 E 2 THR M 108 LEU M 110 1 O THR M 108 N GLY M 12 SHEET 1 F 2 SER M 17 THR M 23 0 SHEET 2 F 2 THR M 72 SER M 78 -1 N ALA M 73 O CYS M 22 SHEET 1 G 3 VAL M 35 GLN M 40 0 SHEET 2 G 3 ASP M 87 TYR M 93 -1 N ASP M 87 O GLN M 40 SHEET 3 G 3 PHE M 99 VAL M 100 -1 N VAL M 100 O SER M 92 SHEET 1 H 3 VAL M 35 GLN M 40 0 SHEET 2 H 3 ASP M 87 TYR M 93 -1 N ASP M 87 O GLN M 40 SHEET 3 H 3 THR M 103 GLY M 104 -1 O GLY M 104 N TYR M 88 SHEET 1 I 4 THR M 118 PHE M 122 0 SHEET 2 I 4 ALA M 134 PHE M 143 -1 N VAL M 137 O PHE M 122 SHEET 3 I 4 TYR M 176 LEU M 184 -1 N TYR M 176 O PHE M 143 SHEET 4 I 4 VAL M 163 THR M 165 -1 O GLU M 164 N TYR M 181 SHEET 1 J 3 THR M 149 ALA M 154 0 SHEET 2 J 3 TYR M 195 THR M 200 -1 O SER M 196 N LYS M 153 SHEET 3 J 3 THR M 205 THR M 209 -1 O VAL M 206 N VAL M 199 SSBOND 1 CYS W 138 CYS W 197 1555 1555 2.09 SSBOND 2 CYS M 22 CYS M 90 1555 1555 2.25 SSBOND 3 CYS M 138 CYS M 197 1555 1555 2.05 SSBOND 4 CYS W 215 CYS M 215 1555 1555 2.04 LINK C PCA M 1 N SER M 2 1555 1555 1.33 LINK C PCA W 1 N SER W 2 1555 1555 1.32 CRYST1 72.300 72.300 185.900 90.00 90.00 120.00 P 31 2 1 6 ORIGX1 0.013831 0.007985 0.000000 0.00000 ORIGX2 0.000000 0.015971 0.000000 0.00000 ORIGX3 0.000000 0.000000 0.005379 0.00000 SCALE1 0.013831 0.007985 0.000000 0.00000 SCALE2 0.000000 0.015971 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005379 0.00000 HETATM 1 N PCA W 1 22.153 -26.487 101.745 1.00 0.00 N HETATM 2 CA PCA W 1 21.650 -25.315 102.451 1.00 0.00 C HETATM 3 CB PCA W 1 20.795 -25.805 103.645 1.00 0.00 C HETATM 4 CG PCA W 1 21.541 -27.102 104.039 1.00 0.00 C HETATM 5 CD PCA W 1 22.374 -27.522 102.844 1.00 0.00 C HETATM 6 OE PCA W 1 22.093 -28.532 102.187 1.00 0.00 O HETATM 7 C PCA W 1 22.858 -24.518 102.918 1.00 0.00 C HETATM 8 O PCA W 1 22.759 -23.325 103.256 1.00 0.00 O