PDB Short entry for 1Y9Q HEADER TRANSCRIPTION REGULATOR 16-DEC-04 1Y9Q TITLE CRYSTAL STRUCTURE OF HTH_3 FAMILY TRANSCRIPTIONAL REGULATOR FROM TITLE 2 VIBRIO CHOLERAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTIONAL REGULATOR, HTH_3 FAMILY; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 666; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HTH_3 FAMILY, TRANSCRIPTIONAL REGULAATOR, STRUCUTRAL GENOMICS, KEYWDS 2 PROTEIN STRUCTURE INITIATIVE, PSI, NEW YORK SGX RESEARCH CENTER FOR KEYWDS 3 STRUCTURAL GENOMICS, NYSGXRC, DIMER, TWO-DOMAIN STRUCTURE, KEYWDS 4 STRUCTURAL GENOMICS, TRANSCRIPTION REGULATOR EXPDTA X-RAY DIFFRACTION AUTHOR D.KUMARAN,S.SWAMINATHAN,S.K.BURLEY,NEW YORK SGX RESEARCH CENTER FOR AUTHOR 2 STRUCTURAL GENOMICS (NYSGXRC) REVDAT 4 03-FEB-21 1Y9Q 1 AUTHOR REMARK SEQADV LINK REVDAT 3 24-FEB-09 1Y9Q 1 VERSN REVDAT 2 25-JAN-05 1Y9Q 1 REMARK REVDAT 1 04-JAN-05 1Y9Q 0 JRNL AUTH D.KUMARAN,S.SWAMINATHAN, JRNL AUTH 2 NEW YORK STRUCTURAL GENOMICS RESEARCH CONSORTIUM (NYSGRC) JRNL TITL CRYSTAL STRUCTURE OF HTH_3 FAMILY TRANSCRIPTIONAL REGULATOR JRNL TITL 2 FROM VIBRIO CHOLERAE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.01 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 503009.520 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 14358 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) : 0.199 REMARK 3 FREE R VALUE : 0.224 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.000 REMARK 3 FREE R VALUE TEST SET COUNT : 998 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 95.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2144 REMARK 3 BIN R VALUE (WORKING SET) : 0.2020 REMARK 3 BIN FREE R VALUE : 0.2020 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 130 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1412 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 120 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 13.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.50000 REMARK 3 B22 (A**2) : -0.50000 REMARK 3 B33 (A**2) : 1.00000 REMARK 3 B12 (A**2) : -0.95000 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) : 0.21 REMARK 3 ESD FROM SIGMAA (A) : 0.08 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) : 0.25 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) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.690 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 : 0.38 REMARK 3 BSOL : 38.04 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 1Y9Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-DEC-04. REMARK 100 THE DEPOSITION ID IS D_1000031293. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-NOV-04 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 : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : SI 111 CRYSTAL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CBASS REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14479 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 13.50 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 21.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.1 REMARK 200 DATA REDUNDANCY IN SHELL : 9.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.17000 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: SOLVE, SHARP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: POTASSIUM SULFATE, PEG3350, XYLITOL, REMARK 280 PH 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 16.61633 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 33.23267 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 33.23267 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 16.61633 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 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 350 BIOMT1 2 -0.500000 -0.866025 0.000000 118.83900 REMARK 350 BIOMT2 2 -0.866025 0.500000 0.000000 68.61173 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 16.61633 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 SER A 2 REMARK 465 LEU A 3 REMARK 465 ARG A 182 REMARK 465 GLU A 183 REMARK 465 GLY A 184 REMARK 465 GLY A 185 REMARK 465 SER A 186 REMARK 465 HIS A 187 REMARK 465 HIS A 188 REMARK 465 HIS A 189 REMARK 465 HIS A 190 REMARK 465 HIS A 191 REMARK 465 HIS A 192 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 HIS A 114 38.68 39.96 REMARK 500 ASP A 159 49.35 -84.13 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 ZN A 202 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 122 NE2 REMARK 620 2 GLU A 128 OE2 89.7 REMARK 620 3 HIS A 162 NE2 88.1 93.1 REMARK 620 4 TYR A 164 OH 175.7 86.1 91.3 REMARK 620 5 MED A 201 N 94.4 91.8 174.5 86.5 REMARK 620 6 MED A 201 O 94.3 170.9 95.3 90.0 79.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MED A 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: T1656 RELATED DB: TARGETDB REMARK 900 RELATED ID: NYSGXRC-T1656 RELATED DB: TARGETDB DBREF 1Y9Q A 4 182 UNP Q9KQN0 Q9KQN0_VIBCH 2 180 SEQADV 1Y9Q MSE A 1 UNP Q9KQN0 CLONING ARTIFACT SEQADV 1Y9Q SER A 2 UNP Q9KQN0 CLONING ARTIFACT SEQADV 1Y9Q LEU A 3 UNP Q9KQN0 CLONING ARTIFACT SEQADV 1Y9Q MSE A 7 UNP Q9KQN0 MET 5 MODIFIED RESIDUE SEQADV 1Y9Q MSE A 40 UNP Q9KQN0 MET 38 MODIFIED RESIDUE SEQADV 1Y9Q MSE A 90 UNP Q9KQN0 MET 88 MODIFIED RESIDUE SEQADV 1Y9Q MSE A 118 UNP Q9KQN0 MET 116 MODIFIED RESIDUE SEQADV 1Y9Q MSE A 137 UNP Q9KQN0 MET 135 MODIFIED RESIDUE SEQADV 1Y9Q GLU A 183 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q GLY A 184 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q GLY A 185 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q SER A 186 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 187 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 188 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 189 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 190 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 191 UNP Q9KQN0 EXPRESSION TAG SEQADV 1Y9Q HIS A 192 UNP Q9KQN0 EXPRESSION TAG SEQRES 1 A 192 MSE SER LEU THR ASP VAL MSE PHE LYS SER GLN ILE ALA SEQRES 2 A 192 ASN GLN LEU LYS ASN LEU ARG LYS SER ARG GLY LEU SER SEQRES 3 A 192 LEU ASP ALA THR ALA GLN LEU THR GLY VAL SER LYS ALA SEQRES 4 A 192 MSE LEU GLY GLN ILE GLU ARG GLY GLU SER SER PRO THR SEQRES 5 A 192 ILE ALA THR LEU TRP LYS ILE ALA SER GLY LEU GLU ALA SEQRES 6 A 192 SER PHE SER ALA PHE PHE ALA ASN ASP PRO GLN LEU LEU SEQRES 7 A 192 SER SER GLU ARG SER PHE PRO ASP ASP LEU ASN MSE LYS SEQRES 8 A 192 ILE HIS THR LEU PHE PRO TYR ALA ALA ASP THR GLY LEU SEQRES 9 A 192 GLU ILE PHE GLU ILE THR LEU LEU ASP HIS HIS GLN GLN SEQRES 10 A 192 MSE SER SER PRO HIS ALA LEU GLY VAL ILE GLU TYR ILE SEQRES 11 A 192 HIS VAL LEU GLU GLY ILE MSE LYS VAL PHE PHE ASP GLU SEQRES 12 A 192 GLN TRP HIS GLU LEU GLN GLN GLY GLU HIS ILE ARG PHE SEQRES 13 A 192 PHE SER ASP GLN PRO HIS GLY TYR ALA ALA VAL THR GLU SEQRES 14 A 192 LYS ALA VAL PHE GLN ASN ILE VAL ALA TYR PRO ARG ARG SEQRES 15 A 192 GLU GLY GLY SER HIS HIS HIS HIS HIS HIS MODRES 1Y9Q MSE A 7 MET SELENOMETHIONINE MODRES 1Y9Q MSE A 40 MET SELENOMETHIONINE MODRES 1Y9Q MSE A 90 MET SELENOMETHIONINE MODRES 1Y9Q MSE A 118 MET SELENOMETHIONINE MODRES 1Y9Q MSE A 137 MET SELENOMETHIONINE HET MSE A 7 8 HET MSE A 40 8 HET MSE A 90 8 HET MSE A 118 8 HET MSE A 137 8 HET ZN A 202 1 HET MED A 201 9 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION HETNAM MED D-METHIONINE FORMUL 1 MSE 5(C5 H11 N O2 SE) FORMUL 2 ZN ZN 2+ FORMUL 3 MED C5 H11 N O2 S FORMUL 4 HOH *120(H2 O) HELIX 1 1 THR A 4 ARG A 23 1 20 HELIX 2 2 SER A 26 GLY A 35 1 10 HELIX 3 3 SER A 37 ARG A 46 1 10 HELIX 4 4 THR A 52 GLU A 64 1 13 HELIX 5 5 PHE A 67 ALA A 72 5 6 HELIX 6 6 PRO A 75 GLU A 81 1 7 SHEET 1 A 5 MSE A 90 ALA A 99 0 SHEET 2 A 5 LEU A 104 LEU A 111 -1 O ILE A 106 N PHE A 96 SHEET 3 A 5 ALA A 171 ALA A 178 -1 O ALA A 171 N LEU A 111 SHEET 4 A 5 ILE A 127 GLU A 134 -1 N ILE A 127 O ALA A 178 SHEET 5 A 5 HIS A 153 PHE A 157 -1 O ILE A 154 N ILE A 130 SHEET 1 B 4 GLN A 116 SER A 119 0 SHEET 2 B 4 HIS A 162 ALA A 166 -1 O TYR A 164 N GLN A 117 SHEET 3 B 4 MSE A 137 PHE A 141 -1 N LYS A 138 O ALA A 165 SHEET 4 B 4 GLN A 144 LEU A 148 -1 O LEU A 148 N MSE A 137 LINK C VAL A 6 N MSE A 7 1555 1555 1.33 LINK C MSE A 7 N PHE A 8 1555 1555 1.33 LINK C ALA A 39 N MSE A 40 1555 1555 1.33 LINK C MSE A 40 N LEU A 41 1555 1555 1.33 LINK C ASN A 89 N MSE A 90 1555 1555 1.33 LINK C MSE A 90 N LYS A 91 1555 1555 1.33 LINK C GLN A 117 N MSE A 118 1555 1555 1.33 LINK C MSE A 118 N SER A 119 1555 1555 1.33 LINK C ILE A 136 N MSE A 137 1555 1555 1.33 LINK C MSE A 137 N LYS A 138 1555 1555 1.33 LINK NE2 HIS A 122 ZN ZN A 202 1555 1555 2.12 LINK OE2 GLU A 128 ZN ZN A 202 1555 1555 2.05 LINK NE2 HIS A 162 ZN ZN A 202 1555 1555 2.24 LINK OH TYR A 164 ZN ZN A 202 1555 1555 2.21 LINK N MED A 201 ZN ZN A 202 1555 1555 2.22 LINK O MED A 201 ZN ZN A 202 1555 1555 2.08 SITE 1 AC1 5 HIS A 122 GLU A 128 HIS A 162 TYR A 164 SITE 2 AC1 5 MED A 201 SITE 1 AC2 12 TRP A 57 PHE A 107 ILE A 109 SER A 119 SITE 2 AC2 12 HIS A 122 GLU A 128 HIS A 162 TYR A 164 SITE 3 AC2 12 ASN A 175 ZN A 202 HOH A 239 HOH A 322 CRYST1 79.226 79.226 49.849 90.00 90.00 120.00 P 31 2 1 6 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 0.012622 0.007287 0.000000 0.00000 SCALE2 0.000000 0.014575 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020061 0.00000