HEADER HYDROLASE 04-SEP-03 1QX6 TITLE CRYSTAL STRUCTURE OF SORTASE B COMPLEXED WITH E-64 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 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS SORTASE, TRANSPEPTIDASE, CYSTEINE PROTEASE, E-64, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.ZONG,S.K.MAZMANIAN,O.SCHNEEWIND,S.V.NARAYANA REVDAT 2 24-FEB-09 1QX6 1 VERSN REVDAT 1 06-APR-04 1QX6 0 JRNL AUTH Y.ZONG,S.K.MAZMANIAN,O.SCHNEEWIND,S.V.NARAYANA JRNL TITL THE STRUCTURE OF SORTASE B, A CYSTEINE JRNL TITL 2 TRANSPEPTIDASE THAT TETHERS SURFACE PROTEIN TO THE JRNL TITL 3 STAPHYLOCOCCUS AUREUS CELL 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 1 REMARK 2 REMARK 2 RESOLUTION. 2.70 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) : 2.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.06 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 841279.790 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 10186 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 : 0.282 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.500 REMARK 3 FREE R VALUE TEST SET COUNT : 965 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) : 2.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.87 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1528 REMARK 3 BIN R VALUE (WORKING SET) : 0.2750 REMARK 3 BIN FREE R VALUE : 0.3430 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 125 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.031 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1798 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 35 REMARK 3 SOLVENT ATOMS : 25 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.91000 REMARK 3 B22 (A**2) : 6.29000 REMARK 3 B33 (A**2) : -7.20000 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) : 0.33 REMARK 3 ESD FROM SIGMAA (A) : 0.31 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) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.41 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 BOND ANGLES (DEGREES) : 1.90 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.02 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) : 1.700 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.030 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.400 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.620 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 27.65 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 : E64.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : E64.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 1QX6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 26-SEP-03. REMARK 100 THE RCSB ID CODE IS RCSB020176. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-AUG-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) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : BEAMLINE SETUP REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10290 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.700 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 (%) : 99.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : 0.03600 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.80 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) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD 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 (%): 35.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.89 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 50.89950 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 50.89950 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 28.81500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.29450 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 28.81500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.29450 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 50.89950 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 28.81500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 33.29450 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 50.89950 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 28.81500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 33.29450 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OE1 GLN A 166 OE1 GLN A 166 3555 2.12 REMARK 500 REMARK 500 REMARK: NULL 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 GLN A 54 -104.63 52.81 REMARK 500 ASN A 83 75.49 -162.05 REMARK 500 LYS A 119 -75.40 -52.36 REMARK 500 LEU A 121 153.03 -48.65 REMARK 500 HIS A 153 47.09 -140.11 REMARK 500 ASP A 179 -156.97 -123.05 REMARK 500 ASN A 180 -62.50 66.75 REMARK 500 THR A 184 -73.36 -66.22 REMARK 500 THR A 230 113.19 -174.43 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 E64 A 245 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1QWZ RELATED DB: PDB REMARK 900 SAME PROTEIN WITH DIFFERENT COMPLEX REMARK 900 RELATED ID: 1QXA RELATED DB: PDB REMARK 900 SAME PROTEIN WITH DIFFERENT COMPLEX DBREF 1QX6 A 31 244 UNP Q8NX63 Q8NX63_STAAW 31 244 SEQADV 1QX6 MSE A 48 UNP Q8NX63 MET 48 MODIFIED RESIDUE SEQADV 1QX6 MSE A 50 UNP Q8NX63 MET 50 MODIFIED RESIDUE SEQADV 1QX6 MSE A 112 UNP Q8NX63 MET 112 MODIFIED RESIDUE SEQADV 1QX6 MSE A 137 UNP Q8NX63 MET 137 MODIFIED RESIDUE SEQADV 1QX6 MSE A 218 UNP Q8NX63 MET 218 MODIFIED RESIDUE SEQRES 1 A 214 GLU ASP LYS GLN GLU ARG ALA ASN TYR GLU LYS LEU GLN SEQRES 2 A 214 GLN LYS PHE GLN MSE LEU MSE SER LYS HIS GLN ALA HIS SEQRES 3 A 214 VAL ARG PRO GLN PHE GLU SER LEU GLU LYS ILE ASN LYS SEQRES 4 A 214 ASP ILE VAL GLY TRP ILE LYS LEU SER GLY THR SER LEU SEQRES 5 A 214 ASN TYR PRO VAL LEU GLN GLY LYS THR ASN HIS ASP TYR SEQRES 6 A 214 LEU ASN LEU ASP PHE GLU ARG GLU HIS ARG ARG LYS GLY SEQRES 7 A 214 SER ILE PHE MSE ASP PHE ARG ASN GLU LEU LYS ASN LEU SEQRES 8 A 214 ASN HIS ASN THR ILE LEU TYR GLY HIS HIS VAL GLY ASP SEQRES 9 A 214 ASN THR MSE PHE ASP VAL LEU GLU ASP TYR LEU LYS GLN SEQRES 10 A 214 SER PHE TYR GLU LYS HIS LYS ILE ILE GLU PHE ASP ASN SEQRES 11 A 214 LYS TYR GLY LYS TYR GLN LEU GLN VAL PHE SER ALA TYR SEQRES 12 A 214 LYS THR THR THR LYS ASP ASN TYR ILE ARG THR ASP PHE SEQRES 13 A 214 GLU ASN ASP GLN ASP TYR GLN GLN PHE LEU ASP GLU THR SEQRES 14 A 214 LYS ARG LYS SER VAL ILE ASN SER ASP VAL ASN VAL THR SEQRES 15 A 214 VAL LYS ASP ARG ILE MSE THR LEU SER THR CYS GLU ASP SEQRES 16 A 214 ALA TYR SER GLU THR THR LYS ARG ILE VAL VAL VAL ALA SEQRES 17 A 214 LYS ILE ILE LYS VAL SER MODRES 1QX6 MSE A 48 MET SELENOMETHIONINE MODRES 1QX6 MSE A 50 MET SELENOMETHIONINE MODRES 1QX6 MSE A 112 MET SELENOMETHIONINE MODRES 1QX6 MSE A 137 MET SELENOMETHIONINE MODRES 1QX6 MSE A 218 MET SELENOMETHIONINE HET MSE A 48 8 HET MSE A 50 8 HET MSE A 112 8 HET MSE A 137 8 HET MSE A 218 8 HET E64 A 245 35 HETNAM MSE SELENOMETHIONINE HETNAM E64 N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO- HETNAM 2 E64 BUTYL]-GUANIDINE FORMUL 1 MSE 5(C5 H11 N O2 SE) FORMUL 2 E64 C15 H30 N5 O5 1+ FORMUL 3 HOH *25(H2 O) HELIX 1 1 LYS A 33 HIS A 53 1 21 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 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 MSE A 112 1 SHEET 3 A 9 ASN A 124 HIS A 130 -1 O TYR A 128 N PHE A 111 SHEET 4 A 9 ILE A 217 CYS A 223 1 O THR A 219 N THR A 125 SHEET 5 A 9 ARG A 233 LYS A 242 -1 O VAL A 236 N LEU A 220 SHEET 6 A 9 GLY A 163 THR A 175 -1 N GLN A 166 O ILE A 241 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 C2 E64 A 245 1555 1555 1.93 LINK C GLN A 47 N MSE A 48 1555 1555 1.34 LINK C MSE A 48 N LEU A 49 1555 1555 1.33 LINK C LEU A 49 N MSE A 50 1555 1555 1.33 LINK C MSE A 50 N SER A 51 1555 1555 1.33 LINK C PHE A 111 N MSE A 112 1555 1555 1.33 LINK C MSE A 112 N ASP A 113 1555 1555 1.33 LINK C THR A 136 N MSE A 137 1555 1555 1.33 LINK C MSE A 137 N PHE A 138 1555 1555 1.32 LINK C ILE A 217 N MSE A 218 1555 1555 1.33 LINK C MSE A 218 N THR A 219 1555 1555 1.33 SITE 1 AC1 15 LYS A 41 ASN A 92 HIS A 93 PHE A 114 SITE 2 AC1 15 TYR A 128 ILE A 182 GLN A 190 GLN A 194 SITE 3 AC1 15 SER A 221 THR A 222 CYS A 223 GLU A 224 SITE 4 AC1 15 TYR A 227 ARG A 233 HOH A 265 CRYST1 57.630 66.589 101.799 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 0.017352 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015017 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009823 0.00000