HEADER LIGASE 22-JUN-08 2ZP1 TITLE STRUCTUAL BASIS OF IODO-TYROSINE RECOGNITION BY ENGINEERED ARCHEAL TITLE 2 TYROSYL-TRNA SYNTHETASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TYROSYL-TRNA SYNTHETASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TYROSINE-TRNA LIGASE, TYRRS; COMPND 5 EC: 6.1.1.1; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: METHANOCALDOCOCCUS JANNASCHII; SOURCE 3 ORGANISM_COMMON: METHANOCOCCUS JANNASCHII; SOURCE 4 ORGANISM_TAXID: 2190; SOURCE 5 GENE: TYRS, MJ0389; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET26B KEYWDS TRNA SYNTHETASES CLASS I, LIGASE, AMINOACYL-TRNA SYNTHETASE, ATP- KEYWDS 2 BINDING, CYTOPLASM, NUCLEOTIDE-BINDING, PROTEIN BIOSYNTHESIS, KEYWDS 3 STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN STRUCTURAL KEYWDS 4 AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL GENOMICS/PROTEOMICS KEYWDS 5 INITIATIVE, RSGI EXPDTA X-RAY DIFFRACTION AUTHOR K.OKI,T.KOBAYASHI,K.SAKAMOTO,S.YOKOYAMA,RIKEN STRUCTURAL AUTHOR 2 GENOMICS/PROTEOMICS INITIATIVE (RSGI) REVDAT 3 01-NOV-23 2ZP1 1 REMARK REVDAT 2 10-NOV-21 2ZP1 1 REMARK SEQADV REVDAT 1 17-FEB-09 2ZP1 0 JRNL AUTH K.OKI,T.KOBAYASHI,K.SAKAMOTO,S.YOKOYAMA JRNL TITL STRUCTUAL BASIS OF IODO-TYROSINE RECOGNITION BY ENGINEERED JRNL TITL 2 ARCHEAL TYROSYL-TRNA SYNTHETASE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.70 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 41.65 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1833538.710 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 42370 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) : 0.193 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 4273 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 6236 REMARK 3 BIN R VALUE (WORKING SET) : 0.2580 REMARK 3 BIN FREE R VALUE : 0.2770 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 698 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2474 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 280 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 26.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 33.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.88000 REMARK 3 B22 (A**2) : 3.88000 REMARK 3 B33 (A**2) : -7.76000 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) : 0.19 REMARK 3 ESD FROM SIGMAA (A) : 0.15 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) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.910 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) : 2.520 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.180 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.550 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.420 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.37 REMARK 3 BSOL : 60.09 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : IODO-TRS-EX.PARAM REMARK 3 PARAMETER FILE 5 : CIS_PEPTIDE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : IODO-TRS-EX.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ZP1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-JUN-08. REMARK 100 THE DEPOSITION ID IS D_1000028245. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-JUN-06 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.50 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : AR-NW12A 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 : NULL REMARK 200 OPTICS : MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 210 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42504 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 13.70 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : 0.06400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 43.4100 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.76 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 11.90 REMARK 200 R MERGE FOR SHELL (I) : 0.73400 REMARK 200 R SYM FOR SHELL (I) : 0.73400 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.750 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 1ZH0 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 24-28% PEG300, 5-8% PEG8000, 10% REMARK 280 GLYCEROL, 0.1M TRIS, PH8.5, VAPOR DIFFUSION, TEMPERATURE 293K, REMARK 280 PH 8.50 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 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 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 35.95200 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 51.10050 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 51.10050 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 53.92800 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 51.10050 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 51.10050 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 17.97600 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 51.10050 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 51.10050 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 53.92800 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 51.10050 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 51.10050 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 17.97600 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 35.95200 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2690 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 27000 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.7 KCAL/MOL 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 758 LIES ON A SPECIAL POSITION. 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 HIS A 309 REMARK 465 HIS A 310 REMARK 465 HIS A 311 REMARK 465 HIS A 312 REMARK 465 HIS A 313 REMARK 465 HIS A 314 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 CYS A 231 68.16 -165.03 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 IYR A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: AR_001000843.1 RELATED DB: TARGETDB DBREF 2ZP1 A 1 306 UNP Q57834 SYY_METJA 1 306 SEQADV 2ZP1 ALA A 70 UNP Q57834 HIS 70 ENGINEERED MUTATION SEQADV 2ZP1 THR A 158 UNP Q57834 ASP 158 ENGINEERED MUTATION SEQADV 2ZP1 SER A 159 UNP Q57834 ILE 159 ENGINEERED MUTATION SEQADV 2ZP1 TYR A 286 UNP Q57834 ASP 286 ENGINEERED MUTATION SEQADV 2ZP1 LEU A 307 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 GLU A 308 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 309 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 310 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 311 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 312 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 313 UNP Q57834 EXPRESSION TAG SEQADV 2ZP1 HIS A 314 UNP Q57834 EXPRESSION TAG SEQRES 1 A 314 MET ASP GLU PHE GLU MET ILE LYS ARG ASN THR SER GLU SEQRES 2 A 314 ILE ILE SER GLU GLU GLU LEU ARG GLU VAL LEU LYS LYS SEQRES 3 A 314 ASP GLU LYS SER ALA TYR ILE GLY PHE GLU PRO SER GLY SEQRES 4 A 314 LYS ILE HIS LEU GLY HIS TYR LEU GLN ILE LYS LYS MET SEQRES 5 A 314 ILE ASP LEU GLN ASN ALA GLY PHE ASP ILE ILE ILE LEU SEQRES 6 A 314 LEU ALA ASP LEU ALA ALA TYR LEU ASN GLN LYS GLY GLU SEQRES 7 A 314 LEU ASP GLU ILE ARG LYS ILE GLY ASP TYR ASN LYS LYS SEQRES 8 A 314 VAL PHE GLU ALA MET GLY LEU LYS ALA LYS TYR VAL TYR SEQRES 9 A 314 GLY SER GLU PHE GLN LEU ASP LYS ASP TYR THR LEU ASN SEQRES 10 A 314 VAL TYR ARG LEU ALA LEU LYS THR THR LEU LYS ARG ALA SEQRES 11 A 314 ARG ARG SER MET GLU LEU ILE ALA ARG GLU ASP GLU ASN SEQRES 12 A 314 PRO LYS VAL ALA GLU VAL ILE TYR PRO ILE MET GLN VAL SEQRES 13 A 314 ASN THR SER HIS TYR LEU GLY VAL ASP VAL ALA VAL GLY SEQRES 14 A 314 GLY MET GLU GLN ARG LYS ILE HIS MET LEU ALA ARG GLU SEQRES 15 A 314 LEU LEU PRO LYS LYS VAL VAL CYS ILE HIS ASN PRO VAL SEQRES 16 A 314 LEU THR GLY LEU ASP GLY GLU GLY LYS MET SER SER SER SEQRES 17 A 314 LYS GLY ASN PHE ILE ALA VAL ASP ASP SER PRO GLU GLU SEQRES 18 A 314 ILE ARG ALA LYS ILE LYS LYS ALA TYR CYS PRO ALA GLY SEQRES 19 A 314 VAL VAL GLU GLY ASN PRO ILE MET GLU ILE ALA LYS TYR SEQRES 20 A 314 PHE LEU GLU TYR PRO LEU THR ILE LYS ARG PRO GLU LYS SEQRES 21 A 314 PHE GLY GLY ASP LEU THR VAL ASN SER TYR GLU GLU LEU SEQRES 22 A 314 GLU SER LEU PHE LYS ASN LYS GLU LEU HIS PRO MET TYR SEQRES 23 A 314 LEU LYS ASN ALA VAL ALA GLU GLU LEU ILE LYS ILE LEU SEQRES 24 A 314 GLU PRO ILE ARG LYS ARG LEU LEU GLU HIS HIS HIS HIS SEQRES 25 A 314 HIS HIS HET IYR A 501 14 HETNAM IYR 3-IODO-TYROSINE FORMUL 2 IYR C9 H10 I N O3 FORMUL 3 HOH *280(H2 O) HELIX 1 1 ASP A 2 ARG A 9 1 8 HELIX 2 2 SER A 16 LYS A 25 1 10 HELIX 3 3 HIS A 42 ALA A 58 1 17 HELIX 4 4 ALA A 67 ASN A 74 1 8 HELIX 5 5 GLU A 78 MET A 96 1 19 HELIX 6 6 SER A 106 PHE A 108 5 3 HELIX 7 7 ASP A 111 THR A 125 1 15 HELIX 8 8 THR A 126 MET A 134 1 9 HELIX 9 9 VAL A 146 GLY A 163 1 18 HELIX 10 10 GLN A 173 LEU A 184 1 12 HELIX 11 11 SER A 218 ALA A 229 1 12 HELIX 12 12 ASN A 239 LEU A 249 1 11 HELIX 13 13 PRO A 258 GLY A 262 5 5 HELIX 14 14 SER A 269 ASN A 279 1 11 HELIX 15 15 HIS A 283 GLU A 308 1 26 SHEET 1 A 6 GLU A 13 ILE A 15 0 SHEET 2 A 6 VAL A 189 ASN A 193 -1 O CYS A 190 N ILE A 15 SHEET 3 A 6 VAL A 166 GLY A 170 1 N ALA A 167 O VAL A 189 SHEET 4 A 6 LYS A 29 PHE A 35 1 N TYR A 32 O VAL A 168 SHEET 5 A 6 PHE A 60 LEU A 66 1 O LEU A 65 N ILE A 33 SHEET 6 A 6 LYS A 101 TYR A 104 1 O VAL A 103 N LEU A 66 SHEET 1 B 2 LEU A 253 ILE A 255 0 SHEET 2 B 2 LEU A 265 VAL A 267 -1 O LEU A 265 N ILE A 255 CISPEP 1 ILE A 15 SER A 16 0 -1.68 CISPEP 2 TYR A 251 PRO A 252 0 -0.30 SITE 1 AC1 12 TYR A 32 GLY A 34 GLU A 36 LEU A 65 SITE 2 AC1 12 ALA A 67 GLN A 109 TYR A 151 GLN A 155 SITE 3 AC1 12 THR A 158 GLN A 173 HOH A 521 HOH A 781 CRYST1 102.201 102.201 71.904 90.00 90.00 90.00 P 43 21 2 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 0.009785 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009785 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013907 0.00000