HEADER HYDROLASE 03-SEP-03 1QWZ TITLE CRYSTAL STRUCTURE OF SORTASE B FROM S. AUREUS COMPLEXED WITH MTSET COMPND MOL_ID: 1; COMPND 2 MOLECULE: NPQTN SPECIFIC SORTASE B; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 STRAIN: BL21; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS BETA BARREL, TRANSPEPTIDASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZONG,S.K.MAZMANIAN,O.SCHNEEWIND,S.V.NARAYANA REVDAT 3 03-APR-24 1QWZ 1 REMARK SEQADV SHEET LINK REVDAT 2 24-FEB-09 1QWZ 1 VERSN REVDAT 1 06-APR-04 1QWZ 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. 1.75 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) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 454689.460 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 19881 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) : 0.183 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1985 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.75 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2749 REMARK 3 BIN R VALUE (WORKING SET) : 0.2550 REMARK 3 BIN FREE R VALUE : 0.2910 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 332 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1967 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 16 REMARK 3 SOLVENT ATOMS : 290 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 15.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.15000 REMARK 3 B22 (A**2) : -0.13000 REMARK 3 B33 (A**2) : -4.01000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.95000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.18 REMARK 3 ESD FROM SIGMAA (A) : 0.11 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) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.620 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) : 2.230 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.250 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.420 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 56.31 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 1QWZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-SEP-03. REMARK 100 THE DEPOSITION ID IS D_1000020169. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.9 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 : SOME 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 : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20145 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 5.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05200 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) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 92.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20000 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: SRTB, SPACEGROUP C2221 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 33.57 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.85 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO4, NACL, HEPES, PH 6.9, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 300K 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 36.74100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 30.78300 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.74100 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 30.78300 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 NI NI A 246 LIES ON A SPECIAL POSITION. 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 VAL A 57 -20.74 -147.44 REMARK 500 ASN A 83 77.32 -160.08 REMARK 500 MET A 137 -120.06 57.71 REMARK 500 HIS A 153 44.93 -141.69 REMARK 500 ASP A 179 69.96 -69.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 248 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 11 NE2 REMARK 620 2 HIS A 13 NE2 99.7 REMARK 620 3 HIS A 104 NE2 110.9 121.6 REMARK 620 4 ASP A 197 OD2 116.4 107.2 101.9 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI A 247 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 15 NE2 REMARK 620 2 HIS A 17 NE2 110.4 REMARK 620 3 HIS A 19 NE2 112.0 106.1 REMARK 620 4 HOH A 251 O 105.1 109.8 113.6 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 247 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 249 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ETM A 245 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QX6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SORTASE B COMPLEXED WITH E-64 REMARK 900 RELATED ID: 1QXA RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SORTASE B COMPLEXED WITH GLY3 DBREF 1QWZ A 31 244 UNP Q8NX63 Q8NX63_STAAW 31 244 SEQADV 1QWZ GLY A 10 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 11 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 12 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 13 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 14 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 15 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 16 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 17 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 18 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 19 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 20 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ SER A 21 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ SER A 22 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ GLY A 23 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ HIS A 24 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ ILE A 25 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ SER A 26 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ GLY A 27 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ ASP A 28 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ ALA A 29 UNP Q8NX63 EXPRESSION TAG SEQADV 1QWZ 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 HET NI A 246 1 HET NI A 247 1 HET NI A 248 1 HET NI A 249 1 HET SO4 A 250 5 HET ETM A 245 7 HETNAM NI NICKEL (II) ION HETNAM SO4 SULFATE ION HETNAM ETM 2-(TRIMETHYLAMMONIUM)ETHYL THIOL FORMUL 2 NI 4(NI 2+) FORMUL 6 SO4 O4 S 2- FORMUL 7 ETM C5 H14 N S 1+ FORMUL 8 HOH *290(H2 O) HELIX 1 1 SER A 21 ILE A 25 5 5 HELIX 2 2 ALA A 29 HIS A 53 1 25 HELIX 3 3 VAL A 57 LYS A 66 1 10 HELIX 4 4 THR A 136 LEU A 145 5 10 HELIX 5 5 LYS A 146 HIS A 153 1 8 HELIX 6 6 ASN A 188 SER A 203 1 16 SHEET 1 A 8 ILE A 71 LYS A 76 0 SHEET 2 A 8 ILE A 110 MET A 112 1 SHEET 3 A 8 ASN A 124 GLY A 129 -1 O TYR A 128 N PHE A 111 SHEET 4 A 8 ILE A 217 THR A 222 1 O THR A 219 N THR A 125 SHEET 5 A 8 LYS A 232 SER A 244 -1 O VAL A 236 N LEU A 220 SHEET 6 A 8 GLY A 163 THR A 176 -1 N TYR A 173 O VAL A 235 SHEET 7 A 8 ILE A 155 ASN A 160 -1 N ILE A 156 O LEU A 167 SHEET 8 A 8 ILE A 71 LYS A 76 -1 N LYS A 76 O GLU A 157 LINK SG CYS A 223 SD ETM A 245 1555 1555 2.21 LINK NE2 HIS A 11 NI NI A 248 4546 1555 2.11 LINK NE2 HIS A 13 NI NI A 248 4546 1555 2.21 LINK NE2 HIS A 15 NI NI A 247 2656 1555 2.14 LINK NE2 HIS A 17 NI NI A 247 1555 1555 2.13 LINK NE2 HIS A 19 NI NI A 247 1555 1555 2.03 LINK NE2 HIS A 104 NI NI A 248 1555 1555 2.23 LINK OD2 ASP A 197 NI NI A 248 1554 1555 2.13 LINK NI NI A 247 O HOH A 251 1555 2656 2.18 SITE 1 AC1 1 HIS A 17 SITE 1 AC2 4 HIS A 15 HIS A 17 HIS A 19 HOH A 251 SITE 1 AC3 4 HIS A 11 HIS A 13 HIS A 104 ASP A 197 SITE 1 AC4 1 HIS A 19 SITE 1 AC5 11 HIS A 19 HIS A 20 SER A 21 HIS A 24 SITE 2 AC5 11 THR A 91 ASN A 92 HIS A 93 PHE A 114 SITE 3 AC5 11 ETM A 245 HOH A 304 HOH A 399 SITE 1 AC6 7 ASN A 92 ASN A 180 CYS A 223 GLU A 224 SITE 2 AC6 7 ARG A 233 SO4 A 250 HOH A 304 CRYST1 73.482 61.566 45.727 90.00 91.58 90.00 C 1 2 1 4 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 0.013609 0.000000 0.000375 0.00000 SCALE2 0.000000 0.016243 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021877 0.00000