HEADER ENTEROTOXIN 30-APR-99 1QB5 TITLE ESCHERICHIA COLI HEAT LABILE ENTEROTOXIN TYPE IIB B-PENTAMER COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (HEAT LABILE ENTEROTOXIN TYPE IIB B- COMPND 3 PENTAMER); COMPND 4 CHAIN: D, E, F, G, H; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: HB101; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: BLUESCRIPT-KS VECTOR KEYWDS ENTEROTOXIN EXPDTA X-RAY DIFFRACTION AUTHOR E.A.MERRITT,W.G.J.HOL REVDAT 2 24-FEB-09 1QB5 1 VERSN REVDAT 1 10-JUN-03 1QB5 0 JRNL AUTH E.A.MERRITT,F.VAN DEN AKKER,T.D.CONNELL,R.K.HOLMES, JRNL AUTH 2 W.G.J.HOL JRNL TITL CRYSTAL STRUCTURES OF THE B-PENTAMER FROM E. COLI JRNL TITL 2 ENTEROTOXIN LT-IIB JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH F.VAN DEN AKKER,S.SARFATY,E.M.TWIDDY,T.D.CONNELL, REMARK 1 AUTH 2 R.K.HOLMES,W.G.J.HOL REMARK 1 TITL CRYSTAL STRUCTURE OF A NEW HEAT-LABILE REMARK 1 TITL 2 ENTEROTOXIN, LT-IIB REMARK 1 REF STRUCTURE V. 4 665 1996 REMARK 1 REFN ISSN 0969-2126 REMARK 1 DOI 10.1016/S0969-2126(96)00073-1 REMARK 1 REFERENCE 2 REMARK 1 AUTH C.L.PICKETT,E.M.TWIDDY,C.COKER,R.K.HOLMES REMARK 1 TITL CLONING, NUCLEOTIDE SEQUENCE, AND HYBRIDIZATION REMARK 1 TITL 2 STUDIES OF THE TYPE IIB HEAT- LABILE ENTEROTOXIN REMARK 1 TITL 3 GENE OF ESCHERICHIA COLI REMARK 1 REF J.BACTERIOL. V. 171 4945 1989 REMARK 1 REFN ISSN 0021-9193 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.1 REMARK 3 CROSS-VALIDATION METHOD : FREE R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.177 REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.177 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.237 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : 158 REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 31666 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : 0.166 REMARK 3 FREE R VALUE (F>4SIG(F)) : 0.223 REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : 142 REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 28627 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3750 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 188 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : 3938.00 REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : 3675.00 REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : 1576 REMARK 3 NUMBER OF RESTRAINTS : 3339 REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.000 REMARK 3 ANGLE DISTANCES (A) : 0.010 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000 REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : 0.026 REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.030 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : 0.030 REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : 0.010 REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : 0.000 REMARK 3 SIMILAR ADP COMPONENTS (A**2) : 0.080 REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : 0.000 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: MOEWS & KRETSINGER, J.MOL.BIOL.91(1973)201-228 REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE REMARK 3 METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56 REMARK 4 REMARK 4 1QB5 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB ON 03-MAY-99. REMARK 100 THE RCSB ID CODE IS RCSB009061. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 275 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE 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 : 36737 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.10100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.33500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.400 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 (%): 21.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: VAPOR DIFFUSION, SITTING DROP, PH REMARK 280 5.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 38.04550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.78650 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.04550 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.78650 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: PENTAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: PENTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18720 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -85.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F, G, H 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 G 51 CD - NE - CZ ANGL. DEV. = 16.7 DEGREES REMARK 500 ARG G 51 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG H 51 CD - NE - CZ ANGL. DEV. = 9.2 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 THR F 14 34.79 -78.12 REMARK 500 ASP F 35 105.71 -30.19 REMARK 500 SER F 86 163.77 174.12 REMARK 500 ALA G 98 -121.30 -109.17 REMARK 500 REMARK 500 REMARK: NULL DBREF 1QB5 D 1 99 UNP P43529 E2BB_ECOLI 24 122 DBREF 1QB5 E 1 99 UNP P43529 E2BB_ECOLI 24 122 DBREF 1QB5 F 1 99 UNP P43529 E2BB_ECOLI 24 122 DBREF 1QB5 G 1 99 UNP P43529 E2BB_ECOLI 24 122 DBREF 1QB5 H 1 99 UNP P43529 E2BB_ECOLI 24 122 SEQRES 1 D 99 GLY ALA SER GLN PHE PHE LYS ASP ASN CYS ASN ARG THR SEQRES 2 D 99 THR ALA SER LEU VAL GLU GLY VAL GLU LEU THR LYS TYR SEQRES 3 D 99 ILE SER ASP ILE ASN ASN ASN THR ASP GLY MET TYR VAL SEQRES 4 D 99 VAL SER SER THR GLY GLY VAL TRP ARG ILE SER ARG ALA SEQRES 5 D 99 LYS ASP TYR PRO ASP ASN VAL MET THR ALA GLU MET ARG SEQRES 6 D 99 LYS ILE ALA MET ALA ALA VAL LEU SER GLY MET ARG VAL SEQRES 7 D 99 ASN MET CYS ALA SER PRO ALA SER SER PRO ASN VAL ILE SEQRES 8 D 99 TRP ALA ILE GLU LEU GLU ALA GLU SEQRES 1 E 99 GLY ALA SER GLN PHE PHE LYS ASP ASN CYS ASN ARG THR SEQRES 2 E 99 THR ALA SER LEU VAL GLU GLY VAL GLU LEU THR LYS TYR SEQRES 3 E 99 ILE SER ASP ILE ASN ASN ASN THR ASP GLY MET TYR VAL SEQRES 4 E 99 VAL SER SER THR GLY GLY VAL TRP ARG ILE SER ARG ALA SEQRES 5 E 99 LYS ASP TYR PRO ASP ASN VAL MET THR ALA GLU MET ARG SEQRES 6 E 99 LYS ILE ALA MET ALA ALA VAL LEU SER GLY MET ARG VAL SEQRES 7 E 99 ASN MET CYS ALA SER PRO ALA SER SER PRO ASN VAL ILE SEQRES 8 E 99 TRP ALA ILE GLU LEU GLU ALA GLU SEQRES 1 F 99 GLY ALA SER GLN PHE PHE LYS ASP ASN CYS ASN ARG THR SEQRES 2 F 99 THR ALA SER LEU VAL GLU GLY VAL GLU LEU THR LYS TYR SEQRES 3 F 99 ILE SER ASP ILE ASN ASN ASN THR ASP GLY MET TYR VAL SEQRES 4 F 99 VAL SER SER THR GLY GLY VAL TRP ARG ILE SER ARG ALA SEQRES 5 F 99 LYS ASP TYR PRO ASP ASN VAL MET THR ALA GLU MET ARG SEQRES 6 F 99 LYS ILE ALA MET ALA ALA VAL LEU SER GLY MET ARG VAL SEQRES 7 F 99 ASN MET CYS ALA SER PRO ALA SER SER PRO ASN VAL ILE SEQRES 8 F 99 TRP ALA ILE GLU LEU GLU ALA GLU SEQRES 1 G 99 GLY ALA SER GLN PHE PHE LYS ASP ASN CYS ASN ARG THR SEQRES 2 G 99 THR ALA SER LEU VAL GLU GLY VAL GLU LEU THR LYS TYR SEQRES 3 G 99 ILE SER ASP ILE ASN ASN ASN THR ASP GLY MET TYR VAL SEQRES 4 G 99 VAL SER SER THR GLY GLY VAL TRP ARG ILE SER ARG ALA SEQRES 5 G 99 LYS ASP TYR PRO ASP ASN VAL MET THR ALA GLU MET ARG SEQRES 6 G 99 LYS ILE ALA MET ALA ALA VAL LEU SER GLY MET ARG VAL SEQRES 7 G 99 ASN MET CYS ALA SER PRO ALA SER SER PRO ASN VAL ILE SEQRES 8 G 99 TRP ALA ILE GLU LEU GLU ALA GLU SEQRES 1 H 99 GLY ALA SER GLN PHE PHE LYS ASP ASN CYS ASN ARG THR SEQRES 2 H 99 THR ALA SER LEU VAL GLU GLY VAL GLU LEU THR LYS TYR SEQRES 3 H 99 ILE SER ASP ILE ASN ASN ASN THR ASP GLY MET TYR VAL SEQRES 4 H 99 VAL SER SER THR GLY GLY VAL TRP ARG ILE SER ARG ALA SEQRES 5 H 99 LYS ASP TYR PRO ASP ASN VAL MET THR ALA GLU MET ARG SEQRES 6 H 99 LYS ILE ALA MET ALA ALA VAL LEU SER GLY MET ARG VAL SEQRES 7 H 99 ASN MET CYS ALA SER PRO ALA SER SER PRO ASN VAL ILE SEQRES 8 H 99 TRP ALA ILE GLU LEU GLU ALA GLU FORMUL 6 HOH *188(H2 O) HELIX 1 1 SER D 3 ARG D 12 1 10 HELIX 2 2 PRO D 56 GLY D 75 1 20 HELIX 3 3 SER E 3 ASN E 11 1 9 HELIX 4 4 PRO E 56 GLY E 75 1 20 HELIX 5 5 SER F 3 ARG F 12 1 10 HELIX 6 6 PRO F 56 GLY F 75 1 20 HELIX 7 7 SER G 3 ARG G 12 1 10 HELIX 8 8 PRO G 56 GLY G 75 1 20 HELIX 9 9 SER H 3 ASN H 11 1 9 HELIX 10 10 ASN H 31 ASP H 35 5 5 HELIX 11 11 PRO H 56 GLY H 75 1 20 SHEET 1 A39 SER D 16 VAL D 21 0 SHEET 2 A39 VAL D 78 ALA D 82 -1 O VAL D 78 N VAL D 21 SHEET 3 A39 ASN D 89 GLU D 97 -1 N TRP D 92 O CYS D 81 SHEET 4 A39 VAL D 46 ILE D 49 1 O VAL D 46 N ASN D 89 SHEET 5 A39 GLY D 36 SER D 41 -1 O MET D 37 N ILE D 49 SHEET 6 A39 LEU D 23 ASP D 29 -1 N THR D 24 O VAL D 40 SHEET 7 A39 ASN H 89 GLU H 97 -1 N ILE H 94 O SER D 28 SHEET 8 A39 VAL H 78 SER H 83 -1 N ASN H 79 O GLU H 95 SHEET 9 A39 SER H 16 VAL H 21 -1 N SER H 16 O ALA H 82 SHEET 10 A39 VAL H 78 SER H 83 -1 O VAL H 78 N VAL H 21 SHEET 11 A39 ASN H 89 GLU H 97 -1 O VAL H 90 N SER H 83 SHEET 12 A39 VAL H 46 ILE H 49 1 O VAL H 46 N ASN H 89 SHEET 13 A39 GLY H 36 SER H 41 -1 O MET H 37 N ILE H 49 SHEET 14 A39 LEU H 23 ASP H 29 -1 N THR H 24 O VAL H 40 SHEET 15 A39 ASN G 89 GLU G 97 -1 N ILE G 94 O SER H 28 SHEET 16 A39 ARG G 77 SER G 83 -1 O ARG G 77 N GLU G 97 SHEET 17 A39 SER G 16 VAL G 21 -1 N SER G 16 O ALA G 82 SHEET 18 A39 ARG G 77 SER G 83 -1 O VAL G 78 N VAL G 21 SHEET 19 A39 ASN G 89 GLU G 97 -1 O VAL G 90 N SER G 83 SHEET 20 A39 VAL G 46 ILE G 49 1 O VAL G 46 N ASN G 89 SHEET 21 A39 GLY G 36 SER G 41 -1 O MET G 37 N ILE G 49 SHEET 22 A39 LEU G 23 ASP G 29 -1 N THR G 24 O VAL G 40 SHEET 23 A39 ASN F 89 GLU F 97 -1 N ILE F 94 O SER G 28 SHEET 24 A39 VAL F 78 ALA F 82 -1 O ASN F 79 N GLU F 95 SHEET 25 A39 SER F 16 VAL F 21 -1 N SER F 16 O ALA F 82 SHEET 26 A39 VAL F 78 ALA F 82 -1 O VAL F 78 N VAL F 21 SHEET 27 A39 ASN F 89 GLU F 97 -1 N TRP F 92 O CYS F 81 SHEET 28 A39 VAL F 46 ILE F 49 1 O VAL F 46 N ASN F 89 SHEET 29 A39 GLY F 36 SER F 41 -1 O MET F 37 N ILE F 49 SHEET 30 A39 LEU F 23 ASP F 29 -1 N THR F 24 O VAL F 40 SHEET 31 A39 ASN E 89 GLU E 97 -1 N ILE E 94 O SER F 28 SHEET 32 A39 ARG E 77 SER E 83 -1 O ARG E 77 N GLU E 97 SHEET 33 A39 SER E 16 VAL E 21 -1 N SER E 16 O ALA E 82 SHEET 34 A39 ARG E 77 SER E 83 -1 O VAL E 78 N VAL E 21 SHEET 35 A39 ASN E 89 GLU E 97 -1 O VAL E 90 N SER E 83 SHEET 36 A39 VAL E 46 ILE E 49 1 O VAL E 46 N ASN E 89 SHEET 37 A39 GLY E 36 SER E 41 -1 O MET E 37 N ILE E 49 SHEET 38 A39 LEU E 23 ASP E 29 -1 N THR E 24 O VAL E 40 SHEET 39 A39 ASN D 89 GLU D 97 1 N ILE D 94 O SER E 28 SSBOND 1 CYS D 10 CYS D 81 1555 1555 2.02 SSBOND 2 CYS E 10 CYS E 81 1555 1555 2.04 SSBOND 3 CYS F 10 CYS F 81 1555 1555 2.05 SSBOND 4 CYS G 10 CYS G 81 1555 1555 2.04 SSBOND 5 CYS H 10 CYS H 81 1555 1555 2.05 CISPEP 1 TYR D 55 PRO D 56 0 2.59 CISPEP 2 SER D 87 PRO D 88 0 -2.53 CISPEP 3 TYR E 55 PRO E 56 0 -1.22 CISPEP 4 SER E 87 PRO E 88 0 -4.54 CISPEP 5 TYR F 55 PRO F 56 0 -0.03 CISPEP 6 SER F 87 PRO F 88 0 -2.93 CISPEP 7 TYR G 55 PRO G 56 0 -0.48 CISPEP 8 SER G 87 PRO G 88 0 -0.85 CISPEP 9 TYR H 55 PRO H 56 0 -2.48 CISPEP 10 SER H 87 PRO H 88 0 2.74 CRYST1 76.091 67.573 90.287 90.00 113.15 90.00 C 1 2 1 20 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 0.013142 0.000000 0.005619 0.00000 SCALE2 0.000000 0.014799 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012046 0.00000