HEADER HYDROLASE 05-SEP-03 1QXA TITLE CRYSTAL STRUCTURE OF SORTASE B COMPLEXED WITH GLY3 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NPQTN SPECIFIC SORTASE B; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PEPTIDE GLY-GLY-GLY; COMPND 7 CHAIN: B; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES KEYWDS SORTASE, TRANSPEPTIDASE, CYSTEINE PROTEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZONG,S.K.MAZMANIAN,O.SCHNEEWIND,S.V.NARAYANA REVDAT 3 11-OCT-17 1QXA 1 REMARK REVDAT 2 24-FEB-09 1QXA 1 VERSN REVDAT 1 06-APR-04 1QXA 0 JRNL AUTH Y.ZONG,S.K.MAZMANIAN,O.SCHNEEWIND,S.V.NARAYANA JRNL TITL THE STRUCTURE OF SORTASE B, A CYSTEINE TRANSPEPTIDASE THAT JRNL TITL 2 TETHERS SURFACE PROTEIN TO THE STAPHYLOCOCCUS AUREUS CELL JRNL TITL 3 WALL JRNL REF STRUCTURE V. 12 105 2004 JRNL REFN ISSN 0969-2126 JRNL PMID 14725770 JRNL DOI 10.1016/J.STR.2003.11.021 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 237868.260 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.7 REMARK 3 NUMBER OF REFLECTIONS : 6688 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) : 0.221 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.900 REMARK 3 FREE R VALUE TEST SET COUNT : 732 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 876 REMARK 3 BIN R VALUE (WORKING SET) : 0.2920 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 112 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1810 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 REMARK 3 SOLVENT ATOMS : 26 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.63000 REMARK 3 B22 (A**2) : 6.06000 REMARK 3 B33 (A**2) : -5.43000 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.36 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.720 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) : 1.910 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.340 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.580 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.140 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.40 REMARK 3 BSOL : 43.22 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 : MTS.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : MTS.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1QXA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-03. REMARK 100 THE DEPOSITION ID IS D_1000020180. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 19-NOV-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.3 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 : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6905 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.500 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.11000 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) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, SODIUM CHLORIDE, REMARK 280 MES, PH 6.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 300K 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 51.29000 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 51.29000 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 28.84500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.61500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 28.84500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.61500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 51.29000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 28.84500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 33.61500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 51.29000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 28.84500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 33.61500 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 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 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 10 REMARK 465 HIS A 11 REMARK 465 HIS A 12 REMARK 465 HIS A 13 REMARK 465 HIS A 14 REMARK 465 HIS A 15 REMARK 465 HIS A 16 REMARK 465 HIS A 17 REMARK 465 HIS A 18 REMARK 465 HIS A 19 REMARK 465 HIS A 20 REMARK 465 SER A 21 REMARK 465 SER A 22 REMARK 465 GLY A 23 REMARK 465 HIS A 24 REMARK 465 ILE A 25 REMARK 465 SER A 26 REMARK 465 GLY A 27 REMARK 465 ASP A 28 REMARK 465 ALA A 29 REMARK 465 MET A 30 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 ASP A 32 -16.17 -48.79 REMARK 500 GLN A 54 -123.20 37.45 REMARK 500 ALA A 55 -37.38 -37.71 REMARK 500 ASN A 83 73.92 -171.32 REMARK 500 LYS A 119 -58.92 71.97 REMARK 500 ASN A 120 72.37 -115.84 REMARK 500 ASN A 135 46.16 76.29 REMARK 500 MET A 137 -117.82 48.53 REMARK 500 HIS A 153 53.07 -144.14 REMARK 500 LYS A 178 32.00 -172.98 REMARK 500 ILE A 182 40.72 -105.18 REMARK 500 VAL A 213 4.27 -67.71 REMARK 500 THR A 231 86.37 45.96 REMARK 500 LYS A 232 98.45 176.24 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ETM A 248 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QWZ RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH MTSET REMARK 900 RELATED ID: 1QX6 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH E-64 DBREF 1QXA A 31 244 UNP Q8NX63 Q8NX63_STAAW 31 244 DBREF 1QXA B 245 247 PDB 1QXA 1QXA 245 247 SEQADV 1QXA GLY A 10 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 11 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 12 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 13 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 14 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 15 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 16 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 17 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 18 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 19 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 20 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA SER A 21 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA SER A 22 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA GLY A 23 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA HIS A 24 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA ILE A 25 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA SER A 26 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA GLY A 27 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA ASP A 28 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA ALA A 29 UNP Q8NX63 EXPRESSION TAG SEQADV 1QXA MET A 30 UNP Q8NX63 EXPRESSION TAG SEQRES 1 A 235 GLY HIS HIS HIS HIS HIS HIS HIS HIS HIS HIS SER SER SEQRES 2 A 235 GLY HIS ILE SER GLY ASP ALA MET GLU ASP LYS GLN GLU SEQRES 3 A 235 ARG ALA ASN TYR GLU LYS LEU GLN GLN LYS PHE GLN MET SEQRES 4 A 235 LEU MET SER LYS HIS GLN ALA HIS VAL ARG PRO GLN PHE SEQRES 5 A 235 GLU SER LEU GLU LYS ILE ASN LYS ASP ILE VAL GLY TRP SEQRES 6 A 235 ILE LYS LEU SER GLY THR SER LEU ASN TYR PRO VAL LEU SEQRES 7 A 235 GLN GLY LYS THR ASN HIS ASP TYR LEU ASN LEU ASP PHE SEQRES 8 A 235 GLU ARG GLU HIS ARG ARG LYS GLY SER ILE PHE MET ASP SEQRES 9 A 235 PHE ARG ASN GLU LEU LYS ASN LEU ASN HIS ASN THR ILE SEQRES 10 A 235 LEU TYR GLY HIS HIS VAL GLY ASP ASN THR MET PHE ASP SEQRES 11 A 235 VAL LEU GLU ASP TYR LEU LYS GLN SER PHE TYR GLU LYS SEQRES 12 A 235 HIS LYS ILE ILE GLU PHE ASP ASN LYS TYR GLY LYS TYR SEQRES 13 A 235 GLN LEU GLN VAL PHE SER ALA TYR LYS THR THR THR LYS SEQRES 14 A 235 ASP ASN TYR ILE ARG THR ASP PHE GLU ASN ASP GLN ASP SEQRES 15 A 235 TYR GLN GLN PHE LEU ASP GLU THR LYS ARG LYS SER VAL SEQRES 16 A 235 ILE ASN SER ASP VAL ASN VAL THR VAL LYS ASP ARG ILE SEQRES 17 A 235 MET THR LEU SER THR CYS GLU ASP ALA TYR SER GLU THR SEQRES 18 A 235 THR LYS ARG ILE VAL VAL VAL ALA LYS ILE ILE LYS VAL SEQRES 19 A 235 SER SEQRES 1 B 3 GLY GLY GLY HET ETM A 248 7 HETNAM ETM 2-(TRIMETHYLAMMONIUM)ETHYL THIOL FORMUL 3 ETM C5 H14 N S 1+ FORMUL 4 HOH *26(H2 O) HELIX 1 1 GLU A 31 HIS A 53 1 23 HELIX 2 2 VAL A 57 ASN A 68 1 12 HELIX 3 3 PHE A 138 LEU A 145 5 8 HELIX 4 4 LYS A 146 HIS A 153 1 8 HELIX 5 5 ASP A 179 ARG A 183 5 5 HELIX 6 6 ASN A 188 SER A 203 1 16 SHEET 1 A 9 ILE A 71 LYS A 76 0 SHEET 2 A 9 ILE A 110 MET A 112 1 SHEET 3 A 9 ASN A 124 GLY A 129 -1 O TYR A 128 N PHE A 111 SHEET 4 A 9 ARG A 216 THR A 222 1 O THR A 219 N THR A 125 SHEET 5 A 9 ARG A 233 LYS A 242 -1 O ILE A 240 N ARG A 216 SHEET 6 A 9 GLY A 163 THR A 175 -1 N SER A 171 O VAL A 237 SHEET 7 A 9 ILE A 155 ASN A 160 -1 N ILE A 156 O LEU A 167 SHEET 8 A 9 ILE A 71 LYS A 76 -1 N LYS A 76 O GLU A 157 LINK SG CYS A 223 SD ETM A 248 1555 1555 2.18 SITE 1 AC1 4 ASN A 92 CYS A 223 HOH A 254 GLY B 245 CRYST1 57.690 67.230 102.580 90.00 90.00 90.00 C 2 2 21 8 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 0.017334 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014874 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009748 0.00000