HEADER HYDROLASE 30-JUN-04 1TWB TITLE SSPB DISULFIDE CROSSLINKED TO AN SSRA DEGRADATION TAG COMPND MOL_ID: 1; COMPND 2 MOLECULE: STRINGENT STARVATION PROTEIN B HOMOLOG; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: SUBSTRATE BINDING DOMAIN; COMPND 5 SYNONYM: SSPB; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: SSRA PEPTIDE; COMPND 10 CHAIN: C, D; COMPND 11 FRAGMENT: PROTEASE RECOGNITION TAG; COMPND 12 ENGINEERED: YES; COMPND 13 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HAEMOPHILUS INFLUENZAE; SOURCE 3 ORGANISM_TAXID: 727; SOURCE 4 GENE: SSPB, HI1440; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BLR (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21; SOURCE 10 MOL_ID: 2; SOURCE 11 SYNTHETIC: YES KEYWDS ADAPTOR, PROTEASE, AAA+, SPECIFICITY FACTOR, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR D.N.BOLON,R.A.GRANT,T.A.BAKER,R.T.SAUER REVDAT 5 06-NOV-24 1TWB 1 REMARK REVDAT 4 23-AUG-23 1TWB 1 REMARK REVDAT 3 27-OCT-21 1TWB 1 SEQADV REVDAT 2 24-FEB-09 1TWB 1 VERSN REVDAT 1 16-NOV-04 1TWB 0 JRNL AUTH D.N.BOLON,R.A.GRANT,T.A.BAKER,R.T.SAUER JRNL TITL NUCLEOTIDE-DEPENDENT SUBSTRATE HANDOFF FROM THE SSPB ADAPTOR JRNL TITL 2 TO THE AAA+ CLPXP PROTEASE. JRNL REF MOL.CELL V. 16 343 2004 JRNL REFN ISSN 1097-2765 JRNL PMID 15525508 JRNL DOI 10.1016/J.MOLCEL.2004.10.001 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.02 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 265553.210 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 23184 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 SET) : 0.235 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2030 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3460 REMARK 3 BIN R VALUE (WORKING SET) : 0.3380 REMARK 3 BIN FREE R VALUE : 0.3090 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 1.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 44 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.047 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1804 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 90 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 27.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.73000 REMARK 3 B22 (A**2) : 3.73000 REMARK 3 B33 (A**2) : -7.45000 REMARK 3 B12 (A**2) : 3.13000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.23 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 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) : 1.420 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.040 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.140 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.070 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 42.19 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 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TWB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-JUL-04. REMARK 100 THE DEPOSITION ID IS D_1000022964. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100.0 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 : 8-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97949 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23184 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.30 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06300 REMARK 200 FOR THE DATA SET : 28.4000 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 (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.63400 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: PDB ENTRY 1OU8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 55.73 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, MAGNESIUM ACETATE, ETHYLENE REMARK 280 GLYCOL, SODIUM CACODYLATE (PH 5.7), PH 6.5, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 293K 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 36.79467 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 73.58933 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 73.58933 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 36.79467 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3, 4 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: 1100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6390 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 REMARK 350 BIOMOLECULE: 2 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: 1100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 6350 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -5.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, 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 -0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 110.38400 REMARK 350 REMARK 350 BIOMOLECULE: 4 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3460 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -16.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C 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 -0.500000 -0.866025 0.000000 102.35550 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 59.09498 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 36.79467 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 1 REMARK 465 GLU A 2 REMARK 465 TYR A 3 REMARK 465 LYS A 4 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 TYR B 3 REMARK 465 LYS B 4 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 ASN A 97 -1.97 -142.85 REMARK 500 GLU A 107 -54.98 -29.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SSRA PEPTIDE WAS SYNTHESIZED WITH AN A103C MUTATION DBREF 1TWB A 1 110 UNP P45206 SSPB_HAEIN 1 110 DBREF 1TWB B 1 110 UNP P45206 SSPB_HAEIN 1 110 DBREF 1TWB C 102 109 PDB 1TWB 1TWB 102 109 DBREF 1TWB D 102 109 PDB 1TWB 1TWB 102 109 SEQADV 1TWB CYS A 44 UNP P45206 TYR 44 ENGINEERED MUTATION SEQADV 1TWB CYS B 44 UNP P45206 TYR 44 ENGINEERED MUTATION SEQRES 1 A 110 MET GLU TYR LYS SER SER PRO LYS ARG PRO TYR LEU LEU SEQRES 2 A 110 ARG ALA TYR TYR ASP TRP LEU VAL ASP ASN SER PHE THR SEQRES 3 A 110 PRO TYR LEU VAL VAL ASP ALA THR TYR LEU GLY VAL ASN SEQRES 4 A 110 VAL PRO VAL GLU CYS VAL LYS ASP GLY GLN ILE VAL LEU SEQRES 5 A 110 ASN LEU SER ALA SER ALA THR GLY ASN LEU GLN LEU THR SEQRES 6 A 110 ASN ASP PHE ILE GLN PHE ASN ALA ARG PHE LYS GLY VAL SEQRES 7 A 110 SER ARG GLU LEU TYR ILE PRO MET GLY ALA ALA LEU ALA SEQRES 8 A 110 ILE TYR ALA ARG GLU ASN GLY ASP GLY VAL MET PHE GLU SEQRES 9 A 110 PRO GLU GLU ILE TYR ASP SEQRES 1 B 110 MET GLU TYR LYS SER SER PRO LYS ARG PRO TYR LEU LEU SEQRES 2 B 110 ARG ALA TYR TYR ASP TRP LEU VAL ASP ASN SER PHE THR SEQRES 3 B 110 PRO TYR LEU VAL VAL ASP ALA THR TYR LEU GLY VAL ASN SEQRES 4 B 110 VAL PRO VAL GLU CYS VAL LYS ASP GLY GLN ILE VAL LEU SEQRES 5 B 110 ASN LEU SER ALA SER ALA THR GLY ASN LEU GLN LEU THR SEQRES 6 B 110 ASN ASP PHE ILE GLN PHE ASN ALA ARG PHE LYS GLY VAL SEQRES 7 B 110 SER ARG GLU LEU TYR ILE PRO MET GLY ALA ALA LEU ALA SEQRES 8 B 110 ILE TYR ALA ARG GLU ASN GLY ASP GLY VAL MET PHE GLU SEQRES 9 B 110 PRO GLU GLU ILE TYR ASP SEQRES 1 C 8 ALA CYS ASN ASP GLU ASN TYR ALA SEQRES 1 D 8 ALA CYS ASN ASP GLU ASN TYR ALA FORMUL 5 HOH *90(H2 O) HELIX 1 1 LYS A 8 ASN A 23 1 16 HELIX 2 2 PRO A 41 VAL A 45 5 5 HELIX 3 3 GLU A 106 ASP A 110 5 5 HELIX 4 4 LYS B 8 ASN B 23 1 16 HELIX 5 5 PRO B 41 VAL B 45 5 5 HELIX 6 6 GLU B 106 ASP B 110 5 5 SHEET 1 A 4 GLN A 49 ASN A 53 0 SHEET 2 A 4 PRO A 27 ASP A 32 -1 N VAL A 31 O ILE A 50 SHEET 3 A 4 ALA A 89 ALA A 94 -1 O ALA A 91 N VAL A 30 SHEET 4 A 4 GLY A 100 MET A 102 -1 O VAL A 101 N ILE A 92 SHEET 1 B 3 THR A 59 LEU A 64 0 SHEET 2 B 3 PHE A 68 PHE A 75 -1 O GLN A 70 N GLN A 63 SHEET 3 B 3 VAL A 78 PRO A 85 -1 O LEU A 82 N PHE A 71 SHEET 1 C 4 GLN B 49 ASN B 53 0 SHEET 2 C 4 PRO B 27 ASP B 32 -1 N LEU B 29 O LEU B 52 SHEET 3 C 4 ALA B 89 ALA B 94 -1 O TYR B 93 N TYR B 28 SHEET 4 C 4 GLY B 100 MET B 102 -1 O VAL B 101 N ILE B 92 SHEET 1 D 3 GLY B 60 LEU B 64 0 SHEET 2 D 3 PHE B 68 PHE B 75 -1 O ASN B 72 N GLY B 60 SHEET 3 D 3 VAL B 78 PRO B 85 -1 O LEU B 82 N PHE B 71 SSBOND 1 CYS A 44 CYS C 103 1555 1555 2.04 SSBOND 2 CYS B 44 CYS D 103 1555 1555 2.03 CRYST1 68.237 68.237 110.384 90.00 90.00 120.00 P 31 2 1 12 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 0.014655 0.008461 0.000000 0.00000 SCALE2 0.000000 0.016922 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009059 0.00000