HEADER DNA BINDING PROTEIN 15-MAR-18 6CQG TITLE YYCF EFFECTOR DOMAIN STRUCTURE WITHOUT DNA BOUND COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA-BINDING RESPONSE REGULATOR; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 1313; SOURCE 4 GENE: YYCF, ERS021524_01324; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS DNA-BINDING-PROTEIN, TWO-COMPONENT-SYSTEM, EFFECTOR-DOMAIN, WINGED- KEYWDS 2 HELIX-TURN-HELIX-DNA-BINDING DOMAIN, DNA BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR A.RIBOLDI-TUNNICLIFFE,M.GABRIELSEN,R.M.WILLIAMSON,S.PANJIKAR REVDAT 3 04-OCT-23 6CQG 1 REMARK REVDAT 2 08-JAN-20 6CQG 1 REMARK REVDAT 1 19-JUN-19 6CQG 0 JRNL AUTH M.GABRIELSEN,R.M.WILLIAMSON,S.PANJIKAR,A.RIBOLDI-TUNNICLIFFE JRNL TITL YYCF EFFECTOR DOMAIN STRUCTURE WITHOUT DNA BOUND JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.13.2998 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.64 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 7413 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.191 REMARK 3 R VALUE (WORKING SET) : 0.184 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 12.000 REMARK 3 FREE R VALUE TEST SET COUNT : 962 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.6392 - 3.6944 0.98 1014 144 0.1636 0.2020 REMARK 3 2 3.6944 - 2.9331 0.99 966 118 0.1776 0.2292 REMARK 3 3 2.9331 - 2.5625 0.98 920 157 0.2004 0.2520 REMARK 3 4 2.5625 - 2.3283 0.99 912 146 0.1937 0.2529 REMARK 3 5 2.3283 - 2.1614 0.98 903 146 0.2051 0.2724 REMARK 3 6 2.1614 - 2.0340 0.98 909 129 0.2129 0.2672 REMARK 3 7 2.0340 - 1.9322 0.89 827 122 0.2327 0.2987 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.230 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.690 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 28.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.76 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 8 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 133 THROUGH 150 ) REMARK 3 ORIGIN FOR THE GROUP (A): -10.3422 7.8747 10.4483 REMARK 3 T TENSOR REMARK 3 T11: 0.2753 T22: 0.3653 REMARK 3 T33: 0.2856 T12: 0.0279 REMARK 3 T13: -0.0215 T23: -0.0143 REMARK 3 L TENSOR REMARK 3 L11: 5.1109 L22: 7.0940 REMARK 3 L33: 8.3255 L12: 2.5395 REMARK 3 L13: 0.2420 L23: -0.3818 REMARK 3 S TENSOR REMARK 3 S11: -0.2018 S12: 0.3062 S13: 0.5015 REMARK 3 S21: -0.1657 S22: 0.1794 S23: 0.5766 REMARK 3 S31: -0.7442 S32: -0.7427 S33: 0.1039 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 151 THROUGH 158 ) REMARK 3 ORIGIN FOR THE GROUP (A): -1.3321 8.6502 10.1137 REMARK 3 T TENSOR REMARK 3 T11: 0.3010 T22: 0.2856 REMARK 3 T33: 0.3092 T12: 0.0042 REMARK 3 T13: -0.0174 T23: 0.0028 REMARK 3 L TENSOR REMARK 3 L11: 5.2354 L22: 5.0682 REMARK 3 L33: 4.0704 L12: 0.4089 REMARK 3 L13: -1.9456 L23: 3.3079 REMARK 3 S TENSOR REMARK 3 S11: -0.1036 S12: 0.2852 S13: 0.4009 REMARK 3 S21: -0.3626 S22: -0.1183 S23: -0.4467 REMARK 3 S31: -0.0830 S32: -0.2565 S33: 0.2163 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 159 THROUGH 171 ) REMARK 3 ORIGIN FOR THE GROUP (A): -9.4927 -1.4541 5.1401 REMARK 3 T TENSOR REMARK 3 T11: 0.1825 T22: 0.2873 REMARK 3 T33: 0.2172 T12: 0.0329 REMARK 3 T13: -0.0522 T23: -0.0185 REMARK 3 L TENSOR REMARK 3 L11: 5.6396 L22: 3.4608 REMARK 3 L33: 5.6048 L12: 0.3019 REMARK 3 L13: 0.7546 L23: -2.4019 REMARK 3 S TENSOR REMARK 3 S11: -0.1316 S12: 1.1230 S13: -0.3312 REMARK 3 S21: -0.4722 S22: 0.1501 S23: 0.2282 REMARK 3 S31: 0.3340 S32: -0.2450 S33: 0.1953 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 172 THROUGH 185 ) REMARK 3 ORIGIN FOR THE GROUP (A): -11.9389 -11.0737 6.0939 REMARK 3 T TENSOR REMARK 3 T11: 0.2197 T22: 0.2749 REMARK 3 T33: 0.3045 T12: -0.0217 REMARK 3 T13: -0.0420 T23: -0.0386 REMARK 3 L TENSOR REMARK 3 L11: 9.1170 L22: 9.3879 REMARK 3 L33: 5.6006 L12: -1.4808 REMARK 3 L13: 0.3685 L23: -3.1938 REMARK 3 S TENSOR REMARK 3 S11: -0.2004 S12: 0.3275 S13: -0.0437 REMARK 3 S21: -0.1338 S22: 0.4191 S23: 0.2924 REMARK 3 S31: 0.5786 S32: -0.5672 S33: 0.1717 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 186 THROUGH 193 ) REMARK 3 ORIGIN FOR THE GROUP (A): -5.5217 -13.4714 -4.0355 REMARK 3 T TENSOR REMARK 3 T11: 0.6935 T22: 1.0521 REMARK 3 T33: 0.6062 T12: -0.2252 REMARK 3 T13: 0.0440 T23: -0.0839 REMARK 3 L TENSOR REMARK 3 L11: 1.8489 L22: 4.5568 REMARK 3 L33: 0.1321 L12: -2.8042 REMARK 3 L13: -0.4915 L23: 0.7749 REMARK 3 S TENSOR REMARK 3 S11: 0.0718 S12: 2.2434 S13: -1.1148 REMARK 3 S21: -0.8423 S22: -0.1991 S23: -0.4029 REMARK 3 S31: 1.2511 S32: -2.1542 S33: -0.4338 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 194 THROUGH 208 ) REMARK 3 ORIGIN FOR THE GROUP (A): 0.4863 -6.9763 9.1083 REMARK 3 T TENSOR REMARK 3 T11: 0.2494 T22: 0.2715 REMARK 3 T33: 0.1726 T12: 0.0059 REMARK 3 T13: -0.0146 T23: -0.0088 REMARK 3 L TENSOR REMARK 3 L11: 4.3084 L22: 3.8935 REMARK 3 L33: 1.5100 L12: -0.7911 REMARK 3 L13: -0.2916 L23: -0.0805 REMARK 3 S TENSOR REMARK 3 S11: -0.2442 S12: 0.2584 S13: 0.1455 REMARK 3 S21: -0.2321 S22: 0.1441 S23: -0.4408 REMARK 3 S31: 0.0277 S32: 0.6506 S33: -0.7712 REMARK 3 TLS GROUP : 7 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 209 THROUGH 217 ) REMARK 3 ORIGIN FOR THE GROUP (A): -1.1628 -2.1149 20.6635 REMARK 3 T TENSOR REMARK 3 T11: 0.3845 T22: 0.3185 REMARK 3 T33: 0.2528 T12: -0.0165 REMARK 3 T13: -0.0499 T23: -0.0474 REMARK 3 L TENSOR REMARK 3 L11: 5.1625 L22: 4.0191 REMARK 3 L33: 3.6382 L12: -0.1358 REMARK 3 L13: 3.4027 L23: 0.8166 REMARK 3 S TENSOR REMARK 3 S11: -0.1204 S12: -0.8404 S13: 0.4226 REMARK 3 S21: 0.9683 S22: 0.1202 S23: -0.2672 REMARK 3 S31: -0.3509 S32: -0.1688 S33: 0.0947 REMARK 3 TLS GROUP : 8 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 218 THROUGH 230 ) REMARK 3 ORIGIN FOR THE GROUP (A): -9.4769 -9.6646 16.4934 REMARK 3 T TENSOR REMARK 3 T11: 0.3527 T22: 0.3391 REMARK 3 T33: 0.2411 T12: 0.0141 REMARK 3 T13: 0.0480 T23: 0.0071 REMARK 3 L TENSOR REMARK 3 L11: 6.8722 L22: 3.4976 REMARK 3 L33: 5.3711 L12: -0.6644 REMARK 3 L13: 0.3100 L23: 1.2622 REMARK 3 S TENSOR REMARK 3 S11: -0.0663 S12: -0.7995 S13: -0.4435 REMARK 3 S21: 0.7272 S22: 0.0901 S23: 1.0729 REMARK 3 S31: 0.1094 S32: -0.5112 S33: 0.1583 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 6CQG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-MAR-18. REMARK 100 THE DEPOSITION ID IS D_1000233217. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-OCT-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ELETTRA REMARK 200 BEAMLINE : 5.2R REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SILICON CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.5.28 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7516 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 37.460 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 9.100 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.3 REMARK 200 DATA REDUNDANCY IN SHELL : 4.50 REMARK 200 R MERGE FOR SHELL (I) : 0.57100 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: AUTO-RICKSHAW REMARK 200 STARTING MODEL: 1GXQ REMARK 200 REMARK 200 REMARK: PLATE LIKE CRYSTAL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 40.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200MM AMMONIUM FORMATE, 20%(W/V) PEG REMARK 280 3350 PH 6.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 16.31500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 31.63500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.24500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 31.63500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 16.31500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.24500 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 O HOH A 413 O HOH A 458 2.18 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 THR A 172 71.70 55.81 REMARK 500 ASP A 189 26.66 -71.89 REMARK 500 TYR A 190 27.43 -145.52 REMARK 500 VAL A 224 -39.30 -132.03 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 301 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 167 NE2 REMARK 620 2 HIS A 171 NE2 110.5 REMARK 620 3 HIS A 180 NE2 115.3 121.1 REMARK 620 4 ASP A 193 OD2 65.8 138.1 50.0 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 ZN A 301 DBREF1 6CQG A 133 230 UNP A0A0T8EJ76_STREE DBREF2 6CQG A A0A0T8EJ76 135 232 SEQRES 1 A 98 PRO ILE GLN ILE GLY ASP LEU GLU ILE VAL PRO ASP ALA SEQRES 2 A 98 TYR VAL ALA LYS LYS TYR GLY GLU GLU LEU ASP LEU THR SEQRES 3 A 98 HIS ARG GLU PHE GLU LEU LEU TYR HIS LEU ALA SER HIS SEQRES 4 A 98 THR GLY GLN VAL ILE THR ARG GLU HIS LEU LEU GLU THR SEQRES 5 A 98 VAL TRP GLY TYR ASP TYR PHE GLY ASP VAL ARG THR VAL SEQRES 6 A 98 ASP VAL THR VAL ARG ARG LEU ARG GLU LYS ILE GLU ASP SEQRES 7 A 98 THR PRO SER ARG PRO GLU TYR ILE LEU THR ARG ARG GLY SEQRES 8 A 98 VAL GLY TYR TYR MET ARG ASN HET ZN A 301 1 HETNAM ZN ZINC ION FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *64(H2 O) HELIX 1 AA1 THR A 158 THR A 172 1 15 HELIX 2 AA2 ARG A 178 TRP A 186 1 9 HELIX 3 AA3 GLY A 187 PHE A 191 5 5 HELIX 4 AA4 VAL A 194 GLU A 209 1 16 SHEET 1 AA1 4 ILE A 134 ILE A 136 0 SHEET 2 AA1 4 LEU A 139 VAL A 142 -1 O LEU A 139 N ILE A 136 SHEET 3 AA1 4 VAL A 147 LYS A 150 -1 O VAL A 147 N VAL A 142 SHEET 4 AA1 4 GLU A 153 GLU A 154 -1 O GLU A 153 N LYS A 150 SHEET 1 AA2 3 ILE A 176 THR A 177 0 SHEET 2 AA2 3 GLY A 225 MET A 228 -1 O TYR A 226 N ILE A 176 SHEET 3 AA2 3 ILE A 218 ARG A 221 -1 N LEU A 219 O TYR A 227 LINK NE2 HIS A 167 ZN ZN A 301 1555 1555 2.11 LINK NE2 HIS A 171 ZN ZN A 301 1555 1555 2.26 LINK NE2 HIS A 180 ZN ZN A 301 1555 1555 2.52 LINK OD2 ASP A 193 ZN ZN A 301 1555 4545 2.03 SITE 1 AC1 4 HIS A 167 HIS A 171 HIS A 180 ASP A 193 CRYST1 32.630 46.490 63.270 90.00 90.00 90.00 P 21 21 21 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 0.030647 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021510 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015805 0.00000