HEADER STRUCTURAL GENOMICS, UNKNOWN FUNCTION 02-MAR-01 1I6N TITLE 1.8 A CRYSTAL STRUCTURE OF IOLI PROTEIN WITH A BINDING ZINC ATOM COMPND MOL_ID: 1; COMPND 2 MOLECULE: IOLI PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 GENE: IOLI OR B65B; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET30XALIC KEYWDS BETA BARREL, STRUCTURAL GENOMICS, PSI, PROTEIN STRUCTURE INITIATIVE, KEYWDS 2 MIDWEST CENTER FOR STRUCTURAL GENOMICS, MCSG, UNKNOWN FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR R.G.ZHANG,I.DEMENTIVA,F.COLLART,E.QUAITE-RANDALL,A.JOACHIMIAK, AUTHOR 2 R.ALKIRE,N.MALTSEV,O.KOROLEV,L.DIECKMAN,MIDWEST CENTER FOR AUTHOR 3 STRUCTURAL GENOMICS (MCSG) REVDAT 7 15-NOV-23 1I6N 1 REMARK REVDAT 6 09-AUG-23 1I6N 1 REMARK SEQADV LINK REVDAT 5 04-OCT-17 1I6N 1 REMARK REVDAT 4 24-FEB-09 1I6N 1 VERSN REVDAT 3 05-APR-05 1I6N 1 JRNL AUTHOR REVDAT 2 18-JAN-05 1I6N 1 AUTHOR KEYWDS REMARK REVDAT 1 13-MAR-02 1I6N 0 JRNL AUTH R.G.ZHANG,I.DEMENTIEVA,N.DUKE,F.COLLART,E.QUAITE-RANDALL, JRNL AUTH 2 R.ALKIRE,L.DIECKMAN,N.MALTSEV,O.KOROLEV,A.JOACHIMIAK JRNL TITL CRYSTAL STRUCTURE OF BACILLUS SUBTILIS IOLI SHOWS JRNL TITL 2 ENDONUCLASE IV FOLD WITH ALTERED ZN BINDING. JRNL REF PROTEINS V. 48 423 2002 JRNL REFN ISSN 0887-3585 JRNL PMID 12112707 JRNL DOI 10.1002/PROT.10159 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.90 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 365191.010 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.2 REMARK 3 NUMBER OF REFLECTIONS : 34966 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) : 0.201 REMARK 3 FREE R VALUE : 0.238 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1737 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5294 REMARK 3 BIN R VALUE (WORKING SET) : 0.1980 REMARK 3 BIN FREE R VALUE : 0.2430 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 290 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2229 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 174 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 9.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : -3.07000 REMARK 3 B33 (A**2) : 3.05000 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : -0.0 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) : 0.10 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.40 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) : 1.310 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.670 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.370 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.380 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 43.09 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 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.PARAM REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1I6N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000012970. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-AUG-00 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SBC-2 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000, D*TREK REMARK 200 DATA SCALING SOFTWARE : D*TREK, HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 35623 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 500.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 6.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.4 REMARK 200 DATA REDUNDANCY : 6.200 REMARK 200 R MERGE (I) : 0.06800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : 0.22300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 6.100 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: PDB ENTRY 1I60 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS BUFFER, SODIUM REMARK 280 CHLORIDE, EDTA, PH 8.1, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 37.00750 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 52.30800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 37.00750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 52.30800 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 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 TRP A 219 O HOH A 568 2.15 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 LEU A 68 N - CA - C ANGL. DEV. = -25.5 DEGREES 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 ASP A 37 -57.83 -148.75 REMARK 500 ALA A 67 106.27 68.63 REMARK 500 PHE A 70 60.37 67.76 REMARK 500 ASP A 202 -169.86 -176.96 REMARK 500 SER A 240 12.24 -169.61 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 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 142 OE2 REMARK 620 2 ASP A 174 OD2 101.1 REMARK 620 3 HIS A 200 ND1 109.7 118.7 REMARK 620 4 GLU A 246 OE1 129.5 89.9 107.2 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 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I60 RELATED DB: PDB REMARK 900 1.6A CRYSTAL STRUCTURE OF IOLI PROTEIN REMARK 900 RELATED ID: APC236 RELATED DB: TARGETDB DBREF 1I6N A 1 278 UNP P42419 IOLI_BACSU 1 278 SEQADV 1I6N MSE A 1 UNP P42419 MET 1 MODIFIED RESIDUE SEQADV 1I6N MSE A 36 UNP P42419 MET 36 MODIFIED RESIDUE SEQADV 1I6N MSE A 89 UNP P42419 MET 89 MODIFIED RESIDUE SEQADV 1I6N MSE A 90 UNP P42419 MET 90 MODIFIED RESIDUE SEQADV 1I6N MSE A 181 UNP P42419 MET 181 MODIFIED RESIDUE SEQADV 1I6N MSE A 278 UNP P42419 MET 278 MODIFIED RESIDUE SEQRES 1 A 278 MSE LYS LEU CYS PHE ASN GLU ALA THR THR LEU GLU ASN SEQRES 2 A 278 SER ASN LEU LYS LEU ASP LEU GLU LEU CYS GLU LYS HIS SEQRES 3 A 278 GLY TYR ASP TYR ILE GLU ILE ARG THR MSE ASP LYS LEU SEQRES 4 A 278 PRO GLU TYR LEU LYS ASP HIS SER LEU ASP ASP LEU ALA SEQRES 5 A 278 GLU TYR PHE GLN THR HIS HIS ILE LYS PRO LEU ALA LEU SEQRES 6 A 278 ASN ALA LEU VAL PHE PHE ASN ASN ARG ASP GLU LYS GLY SEQRES 7 A 278 HIS ASN GLU ILE ILE THR GLU PHE LYS GLY MSE MSE GLU SEQRES 8 A 278 THR CYS LYS THR LEU GLY VAL LYS TYR VAL VAL ALA VAL SEQRES 9 A 278 PRO LEU VAL THR GLU GLN LYS ILE VAL LYS GLU GLU ILE SEQRES 10 A 278 LYS LYS SER SER VAL ASP VAL LEU THR GLU LEU SER ASP SEQRES 11 A 278 ILE ALA GLU PRO TYR GLY VAL LYS ILE ALA LEU GLU PHE SEQRES 12 A 278 VAL GLY HIS PRO GLN CYS THR VAL ASN THR PHE GLU GLN SEQRES 13 A 278 ALA TYR GLU ILE VAL ASN THR VAL ASN ARG ASP ASN VAL SEQRES 14 A 278 GLY LEU VAL LEU ASP SER PHE HIS PHE HIS ALA MSE GLY SEQRES 15 A 278 SER ASN ILE GLU SER LEU LYS GLN ALA ASP GLY LYS LYS SEQRES 16 A 278 ILE PHE ILE TYR HIS ILE ASP ASP THR GLU ASP PHE PRO SEQRES 17 A 278 ILE GLY PHE LEU THR ASP GLU ASP ARG VAL TRP PRO GLY SEQRES 18 A 278 GLN GLY ALA ILE ASP LEU ASP ALA HIS LEU SER ALA LEU SEQRES 19 A 278 LYS GLU ILE GLY PHE SER ASP VAL VAL SER VAL GLU LEU SEQRES 20 A 278 PHE ARG PRO GLU TYR TYR LYS LEU THR ALA GLU GLU ALA SEQRES 21 A 278 ILE GLN THR ALA LYS LYS THR THR VAL ASP VAL VAL SER SEQRES 22 A 278 LYS TYR PHE SER MSE MODRES 1I6N MSE A 1 MET SELENOMETHIONINE MODRES 1I6N MSE A 36 MET SELENOMETHIONINE MODRES 1I6N MSE A 89 MET SELENOMETHIONINE MODRES 1I6N MSE A 90 MET SELENOMETHIONINE MODRES 1I6N MSE A 181 MET SELENOMETHIONINE MODRES 1I6N MSE A 278 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 36 8 HET MSE A 89 8 HET MSE A 90 8 HET MSE A 181 8 HET MSE A 278 9 HET ZN A 401 1 HETNAM MSE SELENOMETHIONINE HETNAM ZN ZINC ION FORMUL 1 MSE 6(C5 H11 N O2 SE) FORMUL 2 ZN ZN 2+ FORMUL 3 HOH *174(H2 O) HELIX 1 1 ALA A 8 LEU A 11 5 4 HELIX 2 2 ASN A 15 HIS A 26 1 12 HELIX 3 3 ASP A 37 LEU A 43 1 7 HELIX 4 4 SER A 47 THR A 57 1 11 HELIX 5 5 ASP A 75 GLY A 97 1 23 HELIX 6 6 VAL A 113 GLU A 133 1 21 HELIX 7 7 PRO A 134 GLY A 136 5 3 HELIX 8 8 THR A 153 ASN A 165 1 13 HELIX 9 9 SER A 175 MSE A 181 1 7 HELIX 10 10 ASN A 184 GLN A 190 1 7 HELIX 11 11 ASP A 192 LYS A 194 5 3 HELIX 12 12 THR A 213 GLU A 215 5 3 HELIX 13 13 ASP A 226 ILE A 237 1 12 HELIX 14 14 ARG A 249 LEU A 255 5 7 HELIX 15 15 THR A 256 SER A 273 1 18 SHEET 1 A 9 LYS A 2 ASN A 6 0 SHEET 2 A 9 TYR A 30 ARG A 34 1 N TYR A 30 O LEU A 3 SHEET 3 A 9 LYS A 61 VAL A 69 1 O LYS A 61 N ILE A 31 SHEET 4 A 9 TYR A 100 VAL A 104 1 O TYR A 100 N LEU A 65 SHEET 5 A 9 LYS A 138 GLU A 142 1 O LYS A 138 N VAL A 101 SHEET 6 A 9 VAL A 169 ASP A 174 1 N GLY A 170 O ILE A 139 SHEET 7 A 9 ILE A 196 ILE A 201 1 N PHE A 197 O LEU A 171 SHEET 8 A 9 VAL A 242 VAL A 245 1 O VAL A 242 N TYR A 199 SHEET 9 A 9 LYS A 2 ASN A 6 1 O LYS A 2 N VAL A 243 SHEET 1 B 2 ASP A 203 THR A 204 0 SHEET 2 B 2 ARG A 217 VAL A 218 -1 N VAL A 218 O ASP A 203 LINK C MSE A 1 N LYS A 2 1555 1555 1.33 LINK C THR A 35 N MSE A 36 1555 1555 1.33 LINK C MSE A 36 N ASP A 37 1555 1555 1.33 LINK C GLY A 88 N MSE A 89 1555 1555 1.33 LINK C MSE A 89 N MSE A 90 1555 1555 1.33 LINK C MSE A 90 N GLU A 91 1555 1555 1.33 LINK C ALA A 180 N MSE A 181 1555 1555 1.33 LINK C MSE A 181 N GLY A 182 1555 1555 1.33 LINK C SER A 277 N MSE A 278 1555 1555 1.33 LINK OE2 GLU A 142 ZN ZN A 401 1555 1555 2.02 LINK OD2 ASP A 174 ZN ZN A 401 1555 1555 2.07 LINK ND1 HIS A 200 ZN ZN A 401 1555 1555 2.13 LINK OE1 GLU A 246 ZN ZN A 401 1555 1555 2.10 SITE 1 AC1 4 GLU A 142 ASP A 174 HIS A 200 GLU A 246 CRYST1 74.015 104.616 48.462 90.00 90.00 90.00 P 21 21 2 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 0.013511 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009559 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020635 0.00000 HETATM 1 N MSE A 1 6.561 27.802 20.500 1.00 14.05 N HETATM 2 CA MSE A 1 6.003 27.243 21.765 1.00 13.67 C HETATM 3 C MSE A 1 6.513 28.040 22.960 1.00 13.94 C HETATM 4 O MSE A 1 7.715 28.279 23.085 1.00 14.95 O HETATM 5 CB MSE A 1 6.411 25.778 21.915 1.00 15.98 C HETATM 6 CG MSE A 1 5.732 25.055 23.068 1.00 17.51 C HETATM 7 SE MSE A 1 6.292 23.216 23.146 1.00 23.29 SE HETATM 8 CE MSE A 1 4.985 22.463 21.936 1.00 22.57 C