HEADER TOXIN 29-OCT-93 1TSS OBSLTE 24-DEC-97 1TSS 2TSS TITLE STRUCTURE OF TOXIC SHOCK TOXIN 1 COMPND MOL_ID: 1; COMPND 2 MOLECULE:; COMPND 3 CHAIN: A, B, C; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1 KEYWDS TOXIN EXPDTA X-RAY DIFFRACTION AUTHOR G.S.PRASAD,C.A.EARHART,D.L.MURRAY,R.P.NOVICK,P.M.SCHLIVERT, AUTHOR 2 D.H.OHLENDORF REVDAT 1 15-OCT-94 1TSS 0 JRNL AUTH G.S.PRASAD,C.A.EARHART,D.L.MURRAY,R.P.NOVICK, JRNL AUTH 2 P.M.SCHLIVERT,D.H.OHLENDORF JRNL TITL STRUCTURE OF TOXIC SHOCK TOXIN 1 JRNL REF BIOCHEMISTRY V. 32 13761 1993 JRNL REFN ASTM BICHAW US ISSN 0006-2960 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 1TSS REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 28624 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 SET) : 0.226 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 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4677 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.016 REMARK 3 BOND ANGLES (DEGREES) : 2.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TSS COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 5 REMARK 5 1TSS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT IS A TRIMER. REMARK 5 RESIDUES 1TSS ARE NUMBERED 1 - 194 IN CHAINS *A*, *B*, AND REMARK 5 *C*. 1TSS REMARK 6 REMARK 6 1TSS THE TRANSFORMATION PRESENTED ON *MTRIX 1* RECORDS REMARK 6 BELOW 1TSS WILL YIELD APPROXIMATE COORDINATES FOR CHAIN *B* REMARK 6 WHEN 1TSS APPLIED TO THE CHAIN *A*. 1TSS THE TRANSFORMATION REMARK 6 PRESENTED ON *MTRIX 2* RECORDS BELOW 1TSS WILL YIELD REMARK 6 APPROXIMATE COORDINATES FOR CHAIN *C* WHEN 1TSS APPLIED TO REMARK 6 THE CHAIN *A*. 1TSS REMARK 7 REMARK 7 1TSS SEQUENCE ADVISORY NOTICE 1TSS DIFFERENCE BETWEEN SWISS REMARK 7 -PROT AND PDB SEQUENCE. 1TSS 1TSS SWISS-PROT ENTRY NAME: REMARK 7 TSST_STAAU 1TSS 1TSS SWISS-PROT RESIDUE PDB SEQRES 1TSS REMARK 7 1TSS NAME NUMBER NAME CHAIN SEQ/INSERT CODE 1TSS GLY 156 REMARK 7 TRP A 116 1TSS GLY 156 TRP B 116 1TSS GLY 156 TRP C 116 REMARK 7 1TSS 1TSS TSST-1 IS PRODUCED AS A PRO-PEPTIDE WITH 40 AMINO REMARK 7 ACIDS AT 1TSS ITS AMINO-TERMINUS. THE NUMBERING SCHEME HERE REMARK 7 BEGINS WITH 1TSS THE FIRST RESIDUE OF THE MATURE PROTEIN. REMARK 7 THE SEQUENCE IN 1TSS THIS ENTRY IS BASED ON THE PUBLISHED REMARK 7 SEQUENCE 1TSS (BLOMSTER-HAUTAMAA, ET AL., (1986), J. BIOL. REMARK 7 CHEM. 261, 1TSS 15783). THE DENSITY AGREES THAT 116 IS A REMARK 7 TRYPTOPHAN. 1TSS REMARK 8 REMARK 8 1TSS THE SHEETS REPRESENTED AS *BAR*, *BLB*, AND *BLC* ON REMARK 8 THE 1TSS SHEET RECORDS BELOW ARE ACTUALLY FIVE-STRANDED REMARK 8 BETA-BARRELS 1TSS SIMILAR TO STAPHYLOCOCCAL NUCLEASE REMARK 8 (PROTEIN DATA BANK ENTRY 1TSS 1SNC). THESE ARE REPRESENTED REMARK 8 AS SIX-STRANDED SHEETS IN 1TSS WHICH THE FIRST AND LAST REMARK 8 STRANDS ARE IDENTICAL. THE 1TSS TOPOLOGY OF THESE SHEETS IS REMARK 8 (-1,-1,-2,+1,+3X) WHERE THE +3X 1TSS IS THE CONNECTION OF REMARK 8 STRAND 5 BACK TO STRAND 1 IN THE 1TSS BARREL. 1TSS REMARK 9 REMARK 9 1TSS SHEETS *SML*, *SMB*, AND *SCM* ARE COMPOSED OF THREE REMARK 9 1TSS ANTI-PARALLEL STRANDS. SHEETS *LRG*, *LRB*, AND *LRC* REMARK 9 1TSS HAVE THE TOPOLOGY (+1,-3X,-1,+2X). 1TSS REMARK 10 REMARK 10 1TSS THE MODEL PRESENTED HERE IS NOT COMPLETELY REFINED; REMARK 10 FURTHER 1TSS REFINEMENT IS IN PROGRESS. 1TSS 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 (%): 65.35 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.55 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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,1/2+Z REMARK 290 3555 -X,Y,1/2-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 1/2+X,1/2+Y,Z REMARK 290 6555 1/2-X,1/2-Y,1/2+Z REMARK 290 7555 1/2-X,1/2+Y,1/2-Z REMARK 290 8555 1/2+X,1/2-Y,-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 48.78000 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 48.78000 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 54.36500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 88.76000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 54.36500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 88.76000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 48.78000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 54.36500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 88.76000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 48.78000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 54.36500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 88.76000 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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 3 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 APPLY THE FOLLOWING TO CHAINS: A, B, 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 TYR A 144 N TYR A 144 CA 0.098 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 SER A 86 N - CA - C ANGL. DEV. = 10.7 DEGREES REMARK 500 SER B 86 N - CA - C ANGL. DEV. = 11.0 DEGREES REMARK 500 TYR B 144 CB - CA - C ANGL. DEV. =-10.2 DEGREES REMARK 500 ASN C 65 N - CA - C ANGL. DEV. =-11.2 DEGREES REMARK 500 SER C 86 N - CA - C ANGL. DEV. = 13.2 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 THR A 2 149.92 39.15 SEQRES 1 A 194 SER THR ASN ASP ASN ILE LYS ASP LEU LEU ASP TRP TYR SEQRES 2 A 194 SER SER GLY SER ASP THR PHE THR ASN SER GLU VAL LEU SEQRES 3 A 194 ASP ASN SER LEU GLY SER MET ARG ILE LYS ASN THR ASP SEQRES 4 A 194 GLY SER ILE SER LEU ILE ILE PHE PRO SER PRO TYR TYR SEQRES 5 A 194 SER PRO ALA PHE THR LYS GLY GLU LYS VAL ASP LEU ASN SEQRES 6 A 194 THR LYS ARG THR LYS LYS SER GLN HIS THR SER GLU GLY SEQRES 7 A 194 THR TYR ILE HIS PHE GLN ILE SER GLY VAL THR ASN THR SEQRES 8 A 194 GLU LYS LEU PRO THR PRO ILE GLU LEU PRO LEU LYS VAL SEQRES 9 A 194 LYS VAL HIS GLY LYS ASP SER PRO LEU LYS TYR TRP PRO SEQRES 10 A 194 LYS PHE ASP LYS LYS GLN LEU ALA ILE SER THR LEU ASP SEQRES 11 A 194 PHE GLU ILE ARG HIS GLN LEU THR GLN ILE HIS GLY LEU SEQRES 12 A 194 TYR ARG SER SER ASP LYS THR GLY GLY TYR TRP LYS ILE SEQRES 13 A 194 THR MET ASN ASP GLY SER THR TYR GLN SER ASP LEU SER SEQRES 14 A 194 LYS LYS PHE GLU TYR ASN THR GLU LYS PRO PRO ILE ASN SEQRES 15 A 194 ILE ASP GLU ILE LYS THR ILE GLU ALA GLU ILE ASN SEQRES 1 B 194 SER THR ASN ASP ASN ILE LYS ASP LEU LEU ASP TRP TYR SEQRES 2 B 194 SER SER GLY SER ASP THR PHE THR ASN SER GLU VAL LEU SEQRES 3 B 194 ASP ASN SER LEU GLY SER MET ARG ILE LYS ASN THR ASP SEQRES 4 B 194 GLY SER ILE SER LEU ILE ILE PHE PRO SER PRO TYR TYR SEQRES 5 B 194 SER PRO ALA PHE THR LYS GLY GLU LYS VAL ASP LEU ASN SEQRES 6 B 194 THR LYS ARG THR LYS LYS SER GLN HIS THR SER GLU GLY SEQRES 7 B 194 THR TYR ILE HIS PHE GLN ILE SER GLY VAL THR ASN THR SEQRES 8 B 194 GLU LYS LEU PRO THR PRO ILE GLU LEU PRO LEU LYS VAL SEQRES 9 B 194 LYS VAL HIS GLY LYS ASP SER PRO LEU LYS TYR TRP PRO SEQRES 10 B 194 LYS PHE ASP LYS LYS GLN LEU ALA ILE SER THR LEU ASP SEQRES 11 B 194 PHE GLU ILE ARG HIS GLN LEU THR GLN ILE HIS GLY LEU SEQRES 12 B 194 TYR ARG SER SER ASP LYS THR GLY GLY TYR TRP LYS ILE SEQRES 13 B 194 THR MET ASN ASP GLY SER THR TYR GLN SER ASP LEU SER SEQRES 14 B 194 LYS LYS PHE GLU TYR ASN THR GLU LYS PRO PRO ILE ASN SEQRES 15 B 194 ILE ASP GLU ILE LYS THR ILE GLU ALA GLU ILE ASN SEQRES 1 C 194 SER THR ASN ASP ASN ILE LYS ASP LEU LEU ASP TRP TYR SEQRES 2 C 194 SER SER GLY SER ASP THR PHE THR ASN SER GLU VAL LEU SEQRES 3 C 194 ASP ASN SER LEU GLY SER MET ARG ILE LYS ASN THR ASP SEQRES 4 C 194 GLY SER ILE SER LEU ILE ILE PHE PRO SER PRO TYR TYR SEQRES 5 C 194 SER PRO ALA PHE THR LYS GLY GLU LYS VAL ASP LEU ASN SEQRES 6 C 194 THR LYS ARG THR LYS LYS SER GLN HIS THR SER GLU GLY SEQRES 7 C 194 THR TYR ILE HIS PHE GLN ILE SER GLY VAL THR ASN THR SEQRES 8 C 194 GLU LYS LEU PRO THR PRO ILE GLU LEU PRO LEU LYS VAL SEQRES 9 C 194 LYS VAL HIS GLY LYS ASP SER PRO LEU LYS TYR TRP PRO SEQRES 10 C 194 LYS PHE ASP LYS LYS GLN LEU ALA ILE SER THR LEU ASP SEQRES 11 C 194 PHE GLU ILE ARG HIS GLN LEU THR GLN ILE HIS GLY LEU SEQRES 12 C 194 TYR ARG SER SER ASP LYS THR GLY GLY TYR TRP LYS ILE SEQRES 13 C 194 THR MET ASN ASP GLY SER THR TYR GLN SER ASP LEU SER SEQRES 14 C 194 LYS LYS PHE GLU TYR ASN THR GLU LYS PRO PRO ILE ASN SEQRES 15 C 194 ILE ASP GLU ILE LYS THR ILE GLU ALA GLU ILE ASN FTNOTE 1 DENSITY FOR THE FOLLOWING SIDE CHAIN RESIDUES WERE WEAK: FTNOTE 1 THR A 75, SER A 76, GLU A 77, THR B 75, SER B 76, GLU B 77, FTNOTE 1 THR C 75, SER C 76, AND GLU C 77. THEREFORE, THE FTNOTE 1 OCCUPANCIES OF THESE SIDE CHAIN ATOMS WERE SET TO 0.00. HELIX 1 HA ASN A 3 SER A 15 4SUBUNIT A HELIX 1 13 HELIX 2 HB ALA A 125 HIS A 141 4SUBUNIT A HELIX 2 17 HELIX 3 HC ARG A 145 LYS A 149 3SUBUNIT A HELIX 3 5 HELIX 4 HD GLU A 173 GLU A 177 3SUBUNIT A HELIX 4 5 HELIX 5 HAA ASN B 3 SER B 15 4SUBUNIT B HELIX 1 13 HELIX 6 HBA ALA B 125 HIS B 141 4SUBUNIT B HELIX 2 17 HELIX 7 HCA ARG B 145 LYS B 149 3SUBUNIT B HELIX 3 5 HELIX 8 HDA GLU B 173 GLU B 177 3SUBUNIT B HELIX 4 5 HELIX 9 HAB ASN C 3 SER C 15 4SUBUNIT C HELIX 1 13 HELIX 10 HBB ALA C 125 HIS C 141 4SUBUNIT C HELIX 2 17 HELIX 11 HCB ARG C 145 LYS C 149 3SUBUNIT C HELIX 3 5 HELIX 12 HDB GLU C 173 GLU C 177 3SUBUNIT C HELIX 4 5 SHEET 1 BAR 6 ASP A 18 SER A 29 0 SHEET 2 BAR 6 GLY A 31 ASN A 37 -1 N ARG A 34 O ASP A 27 SHEET 3 BAR 6 SER A 41 PHE A 47 -1 N SER A 43 O ILE A 35 SHEET 4 BAR 6 THR A 79 THR A 89 -1 N HIS A 82 O ILE A 42 SHEET 5 BAR 6 GLU A 60 THR A 75 -1 N LYS A 70 O PHE A 83 SHEET 6 BAR 6 ASP A 18 SER A 29 1 N PHE A 20 O LEU A 64 SHEET 1 SML 3 GLU A 92 LEU A 100 0 SHEET 2 SML 3 PRO A 117 LEU A 124 -1 N PHE A 119 O ILE A 98 SHEET 3 SML 3 ILE A 181 ILE A 183 -1 N ILE A 181 O LEU A 124 SHEET 1 LRG 5 LYS A 109 SER A 111 0 SHEET 2 LRG 5 PRO A 101 HIS A 107 -1 N VAL A 106 O LYS A 109 SHEET 3 LRG 5 GLU A 185 ASN A 194 1 N ILE A 193 O LYS A 105 SHEET 4 LRG 5 GLY A 151 ASN A 159 -1 N THR A 157 O THR A 188 SHEET 5 LRG 5 SER A 162 LEU A 168 -1 N SER A 166 O TRP A 154 SHEET 1 BLB 6 ASP B 18 SER B 29 0 SHEET 2 BLB 6 GLY B 31 ASN B 37 -1 N ARG B 34 O ASP B 27 SHEET 3 BLB 6 SER B 41 PHE B 47 -1 N SER B 43 O ILE B 35 SHEET 4 BLB 6 THR B 79 THR B 89 -1 N HIS B 82 O ILE B 42 SHEET 5 BLB 6 GLU B 60 THR B 75 -1 N LYS B 70 O PHE B 83 SHEET 6 BLB 6 ASP B 18 SER B 29 1 N PHE B 20 O LEU B 64 SHEET 1 SMB 3 GLU B 92 LEU B 100 0 SHEET 2 SMB 3 PRO B 117 LEU B 124 -1 N PHE B 119 O ILE B 98 SHEET 3 SMB 3 ILE B 181 ILE B 183 -1 N ILE B 181 O LEU B 124 SHEET 1 LRB 5 LYS B 109 SER B 111 0 SHEET 2 LRB 5 PRO B 101 HIS B 107 -1 N VAL B 106 O LYS B 109 SHEET 3 LRB 5 GLU B 185 ASN B 194 1 N ILE B 193 O LYS B 105 SHEET 4 LRB 5 GLY B 151 ASN B 159 -1 N THR B 157 O THR B 188 SHEET 5 LRB 5 SER B 162 LEU B 168 -1 N SER B 166 O TRP B 154 SHEET 1 BLC 6 ASP C 18 SER C 29 0 SHEET 2 BLC 6 GLY C 31 ASN C 37 -1 N ARG C 34 O ASP C 27 SHEET 3 BLC 6 SER C 41 PHE C 47 -1 N SER C 43 O ILE C 35 SHEET 4 BLC 6 THR C 79 THR C 89 -1 N HIS C 82 O ILE C 42 SHEET 5 BLC 6 GLU C 60 THR C 75 -1 N LYS C 70 O PHE C 83 SHEET 6 BLC 6 ASP C 18 SER C 29 1 N PHE C 20 O LEU C 64 SHEET 1 SMC 3 GLU C 92 LEU C 100 0 SHEET 2 SMC 3 PRO C 117 LEU C 124 -1 N PHE C 119 O ILE C 98 SHEET 3 SMC 3 ILE C 181 ILE C 183 -1 N ILE C 181 O LEU C 124 SHEET 1 LRC 5 LYS C 109 SER C 111 0 SHEET 2 LRC 5 PRO C 101 HIS C 107 -1 N VAL C 106 O LYS C 109 SHEET 3 LRC 5 GLU C 185 ASN C 194 1 N ILE C 193 O LYS C 105 SHEET 4 LRC 5 GLY C 151 ASN C 159 -1 N THR C 157 O THR C 188 SHEET 5 LRC 5 SER C 162 LEU C 168 -1 N SER C 166 O TRP C 154 TURN 1 TA1 SER A 29 SER A 32 SUBUNIT A LOOP 1 TURN 2 TA2 ASN A 37 GLY A 40 SUBUNIT A LOOP 2 TURN 3 TA3 THR A 57 GLU A 60 SUBUNIT A LOOP 3 TURN 4 TA4 THR A 75 GLY A 78 SUBUNIT A LOOP 4 TURN 5 TA5 VAL A 106 LYS A 109 SUBUNIT A LOOP 5 TURN 6 TA6 GLY A 142 ARG A 145 SUBUNIT A LOOP 6 TURN 7 TA7 MET A 158 GLY A 161 SUBUNIT A LOOP 7 TURN 8 TA8 ASP A 167 LYS A 170 SUBUNIT A LOOP 8 TURN 9 TA9 ASN A 182 ILE A 186 SUBUNIT A LOOP 9 TURN 10 TB1 SER B 29 SER B 32 SUBUNIT B LOOP 1 TURN 11 TB2 ASN B 37 GLY B 40 SUBUNIT B LOOP 2 TURN 12 TB3 THR B 57 GLU B 60 SUBUNIT B LOOP 3 TURN 13 TB4 THR B 75 GLY B 78 SUBUNIT B LOOP 4 TURN 14 TB5 VAL B 106 LYS B 109 SUBUNIT B LOOP 5 TURN 15 TB6 GLY B 142 ARG B 145 SUBUNIT B LOOP 6 TURN 16 TB7 MET B 158 GLY B 161 SUBUNIT B LOOP 7 TURN 17 TB8 ASP B 167 LYS B 170 SUBUNIT B LOOP 8 TURN 18 TB9 ASN B 182 ILE B 186 SUBUNIT B LOOP 9 TURN 19 TC1 SER C 29 SER C 32 SUBUNIT C LOOP 1 TURN 20 TC2 ASN C 37 GLY C 40 SUBUNIT C LOOP 2 TURN 21 TC3 THR C 57 GLU C 60 SUBUNIT C LOOP 3 TURN 22 TC4 THR C 75 GLY C 78 SUBUNIT C LOOP 4 TURN 23 TC5 VAL C 106 LYS C 109 SUBUNIT C LOOP 5 TURN 24 TC6 GLY C 142 ARG C 145 SUBUNIT C LOOP 6 TURN 25 TC7 MET C 158 GLY C 161 SUBUNIT C LOOP 7 TURN 26 TC8 ASP C 167 LYS C 170 SUBUNIT C LOOP 8 TURN 27 TC9 ASN C 182 ILE C 186 SUBUNIT C LOOP 9 CRYST1 108.730 177.520 97.560 90.00 90.00 90.00 C 2 2 21 24 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 0.009197 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005633 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010250 0.00000 MTRIX1 1 0.471061 -0.882058 0.008625 80.06139 1 MTRIX2 1 -0.881675 -0.471115 -0.026420 134.73271 1 MTRIX3 1 0.027363 0.004849 -0.999614 79.96400 1 MTRIX1 2 -0.569126 -0.822138 0.012066 79.11937 1 MTRIX2 2 -0.822062 0.568639 -0.029715 42.83922 1 MTRIX3 2 0.017577 -0.029006 -0.998885 64.86639 1