HEADER UNKNOWN FUNCTION 16-JAN-01 1HXL TITLE MINIPROTEIN MP-2 (V10A) COMPLEX WITH STREPTAVIDIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: STREPTAVIDIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: MP-2; COMPND 7 CHAIN: C, D; COMPND 8 SYNONYM: MINI-PROTEIN 2; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES AVIDINII; SOURCE 3 ORGANISM_TAXID: 1895; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. KEYWDS CONFORMATIONAL ENSEMBLE, MINI-PROTEINS, DISULPHIDE KEYWDS 2 CONSTRAINED LOOPS, ENTROPICALLY RESTRAINED PROTEINS, KEYWDS 3 PEPTIDES, UNKNOWN FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR H.W.YANG,D.Q.LIU,X.FAN,M.A.WHITE,R.O.FOX REVDAT 2 24-FEB-09 1HXL 1 VERSN REVDAT 1 17-JUN-03 1HXL 0 JRNL AUTH H.W.YANG,D.Q.LIU,X.FAN,M.A.WHITE,R.O.FOX JRNL TITL CONFORMATIONAL ENSEMBLE ANALYSIS OF LIGAND BINDING JRNL TITL 2 IN STREPTAVIDIN MINI-PROTEIN COMPLEXES JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.29 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 745224.080 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 28207 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2797 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.83 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1240 REMARK 3 BIN R VALUE (WORKING SET) : 0.2220 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 112 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1974 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 96 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.33000 REMARK 3 B22 (A**2) : -1.40000 REMARK 3 B33 (A**2) : 1.73000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.02 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) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.004 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.58 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) : 1.410 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.360 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.110 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.200 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 42.68 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: NULL REMARK 4 REMARK 4 1HXL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-JAN-01. REMARK 100 THE RCSB ID CODE IS RCSB012662. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 108.0 REMARK 200 PH : 4.80 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : MACSCIENCE REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MULTILAYER OPTICS REMARK 200 OPTICS : MULTILAYER REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28454 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 7.860 REMARK 200 R MERGE (I) : 0.07600 REMARK 200 R SYM (I) : 0.07600 REMARK 200 FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.83 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 8.20 REMARK 200 R MERGE FOR SHELL (I) : 0.22100 REMARK 200 R SYM FOR SHELL (I) : 0.22100 REMARK 200 FOR SHELL : NULL 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: MP-2 STREPTAVIDIN COMPLEX REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 51.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.52 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM POTASSIUM ACETATE, AMMONIUM REMARK 280 SULFATE, PH 4.80, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 44.69250 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.69250 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 40.99450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 41.29150 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 40.99450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 41.29150 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.69250 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 40.99450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 41.29150 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 44.69250 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 40.99450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 41.29150 REMARK 290 SMTRY3 8 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER GENERATED FROM THE REMARK 300 DIMER IN THE ASYMMETRIC UNIT GENERATED BY THE TWO FOLD AXIS -X, REMARK 300 Y,1/2-Z 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: OCTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 81.98900 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 44.69250 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 GLY A 11 REMARK 465 ALA A 12 REMARK 465 ALA A 13 REMARK 465 GLU A 14 REMARK 465 ALA A 15 REMARK 465 PRO A 135 REMARK 465 SER A 136 REMARK 465 ALA A 137 REMARK 465 ALA A 138 REMARK 465 SER A 139 REMARK 465 GLY B 11 REMARK 465 ALA B 12 REMARK 465 ALA B 13 REMARK 465 GLU B 14 REMARK 465 ALA B 15 REMARK 465 PRO B 135 REMARK 465 SER B 136 REMARK 465 ALA B 137 REMARK 465 ALA B 138 REMARK 465 SER B 139 REMARK 465 ARG C 14 REMARK 465 ARG D 14 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 GLU A 101 66.25 -110.42 REMARK 500 GLU B 101 60.93 -113.92 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HQQ RELATED DB: PDB REMARK 900 MP-2 (M9A) REMARK 900 RELATED ID: 1HXZ RELATED DB: PDB REMARK 900 MP-2 REMARK 900 RELATED ID: 1HY2 RELATED DB: PDB REMARK 900 MP-1 DBREF 1HXL A 11 139 UNP P22629 SAV_STRAV 1 129 DBREF 1HXL B 11 139 UNP P22629 SAV_STRAV 1 129 DBREF 1HXL C 1 14 PDB 1HXL 1HXL 1 14 DBREF 1HXL D 1 14 PDB 1HXL 1HXL 1 14 SEQRES 1 A 129 GLY ALA ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN SEQRES 2 A 129 GLN LEU GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP SEQRES 3 A 129 GLY ALA LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN SEQRES 4 A 129 ALA GLU SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER SEQRES 5 A 129 ALA PRO ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP SEQRES 6 A 129 THR VAL ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER SEQRES 7 A 129 ALA THR THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU SEQRES 8 A 129 ALA ARG ILE ASN THR GLN TRP LEU LEU THR SER GLY THR SEQRES 9 A 129 THR GLU ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS SEQRES 10 A 129 ASP THR PHE THR LYS VAL LYS PRO SER ALA ALA SER SEQRES 1 B 129 GLY ALA ALA GLU ALA GLY ILE THR GLY THR TRP TYR ASN SEQRES 2 B 129 GLN LEU GLY SER THR PHE ILE VAL THR ALA GLY ALA ASP SEQRES 3 B 129 GLY ALA LEU THR GLY THR TYR GLU SER ALA VAL GLY ASN SEQRES 4 B 129 ALA GLU SER ARG TYR VAL LEU THR GLY ARG TYR ASP SER SEQRES 5 B 129 ALA PRO ALA THR ASP GLY SER GLY THR ALA LEU GLY TRP SEQRES 6 B 129 THR VAL ALA TRP LYS ASN ASN TYR ARG ASN ALA HIS SER SEQRES 7 B 129 ALA THR THR TRP SER GLY GLN TYR VAL GLY GLY ALA GLU SEQRES 8 B 129 ALA ARG ILE ASN THR GLN TRP LEU LEU THR SER GLY THR SEQRES 9 B 129 THR GLU ALA ASN ALA TRP LYS SER THR LEU VAL GLY HIS SEQRES 10 B 129 ASP THR PHE THR LYS VAL LYS PRO SER ALA ALA SER SEQRES 1 C 14 ARG CYS CYS HIS PRO GLN CYS GLY MET ALA GLU GLU CYS SEQRES 2 C 14 ARG SEQRES 1 D 14 ARG CYS CYS HIS PRO GLN CYS GLY MET ALA GLU GLU CYS SEQRES 2 D 14 ARG FORMUL 5 HOH *96(H2 O) HELIX 1 1 ASN A 49 ARG A 53 5 5 HELIX 2 2 THR A 115 LYS A 121 5 7 HELIX 3 3 ASN B 49 ARG B 53 5 5 HELIX 4 4 THR B 115 LYS B 121 5 7 HELIX 5 5 HIS C 4 GLY C 8 5 5 HELIX 6 6 HIS D 4 GLY D 8 5 5 SHEET 1 A 9 GLY A 19 TYR A 22 0 SHEET 2 A 9 SER A 27 ALA A 33 -1 O PHE A 29 N TRP A 21 SHEET 3 A 9 ALA A 38 SER A 45 -1 O THR A 40 N THR A 32 SHEET 4 A 9 TYR A 54 TYR A 60 -1 O TYR A 54 N TYR A 43 SHEET 5 A 9 THR A 71 LYS A 80 -1 O GLY A 74 N ARG A 59 SHEET 6 A 9 ASN A 85 VAL A 97 -1 N ALA A 86 O TRP A 79 SHEET 7 A 9 ARG A 103 SER A 112 -1 O ARG A 103 N VAL A 97 SHEET 8 A 9 THR A 123 THR A 131 -1 N LEU A 124 O LEU A 110 SHEET 9 A 9 GLY A 19 TYR A 22 -1 O TYR A 22 N THR A 131 SHEET 1 B 9 GLY B 19 TYR B 22 0 SHEET 2 B 9 SER B 27 ALA B 33 -1 O PHE B 29 N TRP B 21 SHEET 3 B 9 ALA B 38 SER B 45 -1 O THR B 40 N THR B 32 SHEET 4 B 9 TYR B 54 TYR B 60 -1 O TYR B 54 N TYR B 43 SHEET 5 B 9 THR B 71 LYS B 80 -1 O GLY B 74 N ARG B 59 SHEET 6 B 9 ASN B 85 VAL B 97 -1 N ALA B 86 O TRP B 79 SHEET 7 B 9 ARG B 103 SER B 112 -1 O ARG B 103 N VAL B 97 SHEET 8 B 9 THR B 123 THR B 131 -1 N LEU B 124 O LEU B 110 SHEET 9 B 9 GLY B 19 TYR B 22 -1 N TYR B 22 O THR B 131 SSBOND 1 CYS C 2 CYS C 7 1555 1555 2.03 SSBOND 2 CYS C 3 CYS C 13 1555 1555 2.03 SSBOND 3 CYS D 2 CYS D 7 1555 1555 2.03 SSBOND 4 CYS D 3 CYS D 13 1555 1555 2.03 CRYST1 81.989 82.583 89.385 90.00 90.00 90.00 C 2 2 21 16 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 0.012197 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012109 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011188 0.00000