HEADER DNA BINDING PROTEIN 13-FEB-04 1SD7 TITLE CRYSTAL STRUCTURE OF A SEMET DERIVATIVE OF MECI AT 2.65 A COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHICILLIN RESISTANCE REGULATORY PROTEIN MECI; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: MECI; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 GENE: MECI, SA0040; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834 (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3 KEYWDS BLAI, MECI, REPRESSOR, METHICILLIN, B-LACTAM, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.K.SAFO,Q.ZHAO,F.N.MUSAYEV,H.ROBINSON,N.SCARSDALE,G.L.ARCHER REVDAT 5 15-NOV-23 1SD7 1 REMARK REVDAT 4 23-AUG-23 1SD7 1 SEQADV LINK REVDAT 3 24-FEB-09 1SD7 1 VERSN REVDAT 2 29-MAR-05 1SD7 1 JRNL REVDAT 1 24-FEB-04 1SD7 0 JRNL AUTH M.K.SAFO,Q.ZHAO,T.-P.KO,F.N.MUSAYEV,H.ROBINSON,N.SCARSDALE, JRNL AUTH 2 A.H.-J.WANG,G.L.ARCHER JRNL TITL CRYSTAL STRUCTURES OF THE BLAI REPRESSOR FROM STAPHYLOCOCCUS JRNL TITL 2 AUREUS AND ITS COMPLEX WITH DNA: INSIGHTS INTO JRNL TITL 3 TRANSCRIPTIONAL REGULATION OF THE BLA AND MEC OPERONS JRNL REF J.BACTERIOL. V. 187 1833 2005 JRNL REFN ISSN 0021-9193 JRNL PMID 15716455 JRNL DOI 10.1128/JB.187.5.1833-1844.2005 REMARK 2 REMARK 2 RESOLUTION. 2.65 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) : 2.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 558407.180 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.2 REMARK 3 NUMBER OF REFLECTIONS : 10094 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) : 0.241 REMARK 3 FREE R VALUE : 0.317 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 493 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.014 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) : 2.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.82 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1621 REMARK 3 BIN R VALUE (WORKING SET) : 0.3300 REMARK 3 BIN FREE R VALUE : 0.4840 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 86 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.052 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2008 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 153 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 67.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 61.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.02000 REMARK 3 B22 (A**2) : 18.57000 REMARK 3 B33 (A**2) : -18.56000 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) : 0.36 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.42 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.920 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.34 REMARK 3 BSOL : 62.18 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 : DRUG_HB_DIR.PARAM REMARK 3 PARAMETER FILE 4 : HMF_COV.PARAM REMARK 3 PARAMETER FILE 5 : SULFATE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : PROTEIN.LINK REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1SD7 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-FEB-04. REMARK 100 THE DEPOSITION ID IS D_1000021610. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-OCT-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790, 0.9793, 0.9637 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DPS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10345 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.650 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.8 REMARK 200 DATA REDUNDANCY : 13.50 REMARK 200 R MERGE (I) : 0.07100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 25.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.74 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.50 REMARK 200 R MERGE FOR SHELL (I) : 0.16300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 19.90 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1QKR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, SODIUM CACODYLATE, MAGNESIUM REMARK 280 ACETATE, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 33.80500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.50450 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 35.08700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.50450 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 33.80500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 35.08700 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 300 REMARK: THE ASYMMETRIC UNIT CONTAINS THE BIOLOGICAL HOMODIMER 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: 4090 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14040 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -22.0 KCAL/MOL 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 MSE A 1 REMARK 465 ASP A 2 REMARK 465 ASN A 3 REMARK 465 LYS A 4 REMARK 465 MSE B 1 REMARK 465 ASP B 2 REMARK 465 ASN B 3 REMARK 465 LYS B 4 REMARK 465 LYS B 123 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 NH1 ARG B 51 O HOH B 201 2.11 REMARK 500 REMARK 500 REMARK: NULL 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 GLU A 114 O HOH B 201 2564 2.16 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 TYR A 6 -126.26 -163.80 REMARK 500 LYS A 23 -39.62 57.73 REMARK 500 LYS A 62 -128.16 -131.56 REMARK 500 ASP A 63 76.48 104.70 REMARK 500 ASN A 64 -99.01 79.33 REMARK 500 LYS A 65 -105.77 -41.21 REMARK 500 LYS A 122 49.25 -93.38 REMARK 500 TYR B 6 56.09 -176.44 REMARK 500 GLU B 7 101.43 25.03 REMARK 500 LYS B 22 11.51 -142.03 REMARK 500 LYS B 23 -53.28 50.41 REMARK 500 GLN B 35 6.76 -64.59 REMARK 500 ASN B 64 -150.44 72.94 REMARK 500 GLU B 75 -66.01 -26.99 REMARK 500 ASP B 107 -31.77 -33.88 REMARK 500 LEU B 108 115.83 40.46 REMARK 500 SER B 109 171.64 -53.61 REMARK 500 ASN B 121 -81.51 -85.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1SD6 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NATIVE MECI AT 2.65 A REMARK 900 RELATED ID: 1SD4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF A SEMET DERIVATIVE OF BLAI AT 2.0 A DBREF 1SD7 A 1 123 UNP P68262 MECI_STAAU 1 123 DBREF 1SD7 B 1 123 UNP P68262 MECI_STAAU 1 123 SEQADV 1SD7 MSE A 1 UNP P68262 MET 1 MODIFIED RESIDUE SEQADV 1SD7 MSE A 16 UNP P68262 MET 16 MODIFIED RESIDUE SEQADV 1SD7 MSE A 21 UNP P68262 MET 21 MODIFIED RESIDUE SEQADV 1SD7 MSE A 36 UNP P68262 MET 36 MODIFIED RESIDUE SEQADV 1SD7 MSE B 1 UNP P68262 MET 1 MODIFIED RESIDUE SEQADV 1SD7 MSE B 16 UNP P68262 MET 16 MODIFIED RESIDUE SEQADV 1SD7 MSE B 21 UNP P68262 MET 21 MODIFIED RESIDUE SEQADV 1SD7 MSE B 36 UNP P68262 MET 36 MODIFIED RESIDUE SEQRES 1 A 123 MSE ASP ASN LYS THR TYR GLU ILE SER SER ALA GLU TRP SEQRES 2 A 123 GLU VAL MSE ASN ILE ILE TRP MSE LYS LYS TYR ALA SER SEQRES 3 A 123 ALA ASN ASN ILE ILE GLU GLU ILE GLN MSE GLN LYS ASP SEQRES 4 A 123 TRP SER PRO LYS THR ILE ARG THR LEU ILE THR ARG LEU SEQRES 5 A 123 TYR LYS LYS GLY PHE ILE ASP ARG LYS LYS ASP ASN LYS SEQRES 6 A 123 ILE PHE GLN TYR TYR SER LEU VAL GLU GLU SER ASP ILE SEQRES 7 A 123 LYS TYR LYS THR SER LYS ASN PHE ILE ASN LYS VAL TYR SEQRES 8 A 123 LYS GLY GLY PHE ASN SER LEU VAL LEU ASN PHE VAL GLU SEQRES 9 A 123 LYS GLU ASP LEU SER GLN ASP GLU ILE GLU GLU LEU ARG SEQRES 10 A 123 ASN ILE LEU ASN LYS LYS SEQRES 1 B 123 MSE ASP ASN LYS THR TYR GLU ILE SER SER ALA GLU TRP SEQRES 2 B 123 GLU VAL MSE ASN ILE ILE TRP MSE LYS LYS TYR ALA SER SEQRES 3 B 123 ALA ASN ASN ILE ILE GLU GLU ILE GLN MSE GLN LYS ASP SEQRES 4 B 123 TRP SER PRO LYS THR ILE ARG THR LEU ILE THR ARG LEU SEQRES 5 B 123 TYR LYS LYS GLY PHE ILE ASP ARG LYS LYS ASP ASN LYS SEQRES 6 B 123 ILE PHE GLN TYR TYR SER LEU VAL GLU GLU SER ASP ILE SEQRES 7 B 123 LYS TYR LYS THR SER LYS ASN PHE ILE ASN LYS VAL TYR SEQRES 8 B 123 LYS GLY GLY PHE ASN SER LEU VAL LEU ASN PHE VAL GLU SEQRES 9 B 123 LYS GLU ASP LEU SER GLN ASP GLU ILE GLU GLU LEU ARG SEQRES 10 B 123 ASN ILE LEU ASN LYS LYS MODRES 1SD7 MSE A 16 MET SELENOMETHIONINE MODRES 1SD7 MSE A 21 MET SELENOMETHIONINE MODRES 1SD7 MSE A 36 MET SELENOMETHIONINE MODRES 1SD7 MSE B 16 MET SELENOMETHIONINE MODRES 1SD7 MSE B 21 MET SELENOMETHIONINE MODRES 1SD7 MSE B 36 MET SELENOMETHIONINE HET MSE A 16 8 HET MSE A 21 8 HET MSE A 36 8 HET MSE B 16 8 HET MSE B 21 8 HET MSE B 36 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 6(C5 H11 N O2 SE) FORMUL 3 HOH *153(H2 O) HELIX 1 1 SER A 9 TRP A 20 1 12 HELIX 2 2 SER A 26 MSE A 36 1 11 HELIX 3 3 SER A 41 LYS A 55 1 15 HELIX 4 4 GLU A 74 TYR A 91 1 18 HELIX 5 5 GLY A 93 GLU A 106 1 14 HELIX 6 6 SER A 109 LYS A 122 1 14 HELIX 7 7 SER B 9 MSE B 21 1 13 HELIX 8 8 ALA B 27 GLN B 35 1 9 HELIX 9 9 SER B 41 LYS B 55 1 15 HELIX 10 10 GLU B 74 TYR B 91 1 18 HELIX 11 11 GLY B 94 GLU B 106 1 13 HELIX 12 12 SER B 109 LYS B 122 1 14 SHEET 1 A 2 ILE A 58 LYS A 61 0 SHEET 2 A 2 GLN A 68 SER A 71 -1 O GLN A 68 N LYS A 61 SHEET 1 B 3 ALA B 25 SER B 26 0 SHEET 2 B 3 ILE B 66 SER B 71 -1 O TYR B 69 N ALA B 25 SHEET 3 B 3 ILE B 58 ASP B 63 -1 N ASP B 59 O TYR B 70 LINK C VAL A 15 N MSE A 16 1555 1555 1.33 LINK C MSE A 16 N ASN A 17 1555 1555 1.33 LINK C TRP A 20 N MSE A 21 1555 1555 1.32 LINK C MSE A 21 N LYS A 22 1555 1555 1.33 LINK C GLN A 35 N MSE A 36 1555 1555 1.33 LINK C MSE A 36 N GLN A 37 1555 1555 1.33 LINK C VAL B 15 N MSE B 16 1555 1555 1.33 LINK C MSE B 16 N ASN B 17 1555 1555 1.33 LINK C TRP B 20 N MSE B 21 1555 1555 1.33 LINK C MSE B 21 N LYS B 22 1555 1555 1.33 LINK C GLN B 35 N MSE B 36 1555 1555 1.33 LINK C MSE B 36 N GLN B 37 1555 1555 1.32 CRYST1 67.610 70.174 75.009 90.00 90.00 90.00 P 21 21 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 0.014791 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014250 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013332 0.00000