1UFR - Header Asymmetric Unit

HEADER RNA BINDING PROTEIN 08-JUN-03 1UFR

TITLE CRYSTAL STRUCTURE OF TT1027 FROM THERMUS THERMOPHILUS HB8

COMPND MOL_ID: 1; COMPND 2 MOLECULE: PYR MRNA-BINDING ATTENUATION PROTEIN; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: TT1027; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 274; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET11A

KEYWDS PYRIMIDINE NUCLEOTIDE BIOSYNTHESIS, TRANSCRIPTIONAL KEYWDS 2 ATTENUATION, RNA-BINDING PROTEIN, URACIL KEYWDS 3 PHOSPHORIBOSYLTRANSFERASE, STRUCTURAL GENOMICS, RIKEN KEYWDS 4 STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE, RSGI, RNA KEYWDS 5 BINDING PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR T.MATSUURA,H.SAKAI,T.TERADA,M.SHIROUZU,S.KURAMITSU, AUTHOR 2 S.YOKOYAMA,RIKEN STRUCTURAL GENOMICS/PROTEOMICS INITIATIVE AUTHOR 3 (RSGI)

REVDAT 2 24-FEB-09 1UFR 1 VERSN REVDAT 1 08-DEC-03 1UFR 0

JRNL AUTH T.MATSUURA,H.SAKAI,T.TERADA,M.SHIROUZU,S.KURAMITSU, JRNL AUTH 2 S.YOKOYAMA JRNL TITL CRYSTAL STRUCTURE OF TT1027 FROM THERMUS JRNL TITL 2 THERMOPHILUS HB8 JRNL REF TO BE PUBLISHED JRNL REFN

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.60 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) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.58 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 432416.590 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 29313 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) : 0.264 REMARK 3 FREE R VALUE : 0.287 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2928 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3793 REMARK 3 BIN R VALUE (WORKING SET) : 0.3610 REMARK 3 BIN FREE R VALUE : 0.4040 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 476 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5288 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 4 REMARK 3 SOLVENT ATOMS : 83 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 52.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.23000 REMARK 3 B22 (A**2) : 19.93000 REMARK 3 B33 (A**2) : -15.71000 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) : 0.42 REMARK 3 ESD FROM SIGMAA (A) : 0.50 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) : 0.49 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.58 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.20 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.76 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 : 0.31 REMARK 3 BSOL : 28.71 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 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : MSE.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL

REMARK 4 REMARK 4 1UFR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-JUN-03. REMARK 100 THE RCSB ID CODE IS RCSB005778.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JUL-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SPRING-8 REMARK 200 BEAMLINE : BL45PX REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.02 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS V REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30397 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 9.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.7 REMARK 200 DATA REDUNDANCY IN SHELL : 5.10 REMARK 200 R MERGE FOR SHELL (I) : 0.46400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.730 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: 1A3C REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: MPD, SODIUM ACETATE, CALCIUM REMARK 280 CHLORIDE, DIOXANE, PH 4.6, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 29.15500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 73.09500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 57.06800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 73.09500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.15500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 57.06800 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL

REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 BIOLOGICAL UNIT IS ASSUMED TO BE A DIMER: A CHAIN REMARK 300 AND B CHAIN, C CHAIN AND D CHAIN, RESPECTIVELY.

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, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 TYR A 72 REMARK 465 ARG A 73 REMARK 465 ASP A 74 REMARK 465 ASP A 75 REMARK 465 LEU A 76 REMARK 465 THR A 77 REMARK 465 GLU A 78 REMARK 465 ILE A 79 REMARK 465 GLY A 80 REMARK 465 TYR A 81 REMARK 465 ARG A 82 REMARK 465 GLU A 179 REMARK 465 GLY A 180 REMARK 465 ALA A 181 REMARK 465 TYR B 72 REMARK 465 ARG B 73 REMARK 465 ASP B 74 REMARK 465 ASP B 75 REMARK 465 LEU B 76 REMARK 465 THR B 77 REMARK 465 GLU B 78 REMARK 465 ILE B 79 REMARK 465 GLY B 80 REMARK 465 TYR B 81 REMARK 465 ARG B 82 REMARK 465 GLU B 179 REMARK 465 GLY B 180 REMARK 465 ALA B 181 REMARK 465 MSE C 1 REMARK 465 TYR C 72 REMARK 465 ARG C 73 REMARK 465 ASP C 74 REMARK 465 ASP C 75 REMARK 465 LEU C 76 REMARK 465 THR C 77 REMARK 465 GLU C 78 REMARK 465 ILE C 79 REMARK 465 GLY C 80 REMARK 465 TYR C 81 REMARK 465 ARG C 82 REMARK 465 GLU C 179 REMARK 465 GLY C 180 REMARK 465 ALA C 181 REMARK 465 MSE D 1 REMARK 465 TYR D 72 REMARK 465 ARG D 73 REMARK 465 ASP D 74 REMARK 465 ASP D 75 REMARK 465 LEU D 76 REMARK 465 THR D 77 REMARK 465 GLU D 78 REMARK 465 ILE D 79 REMARK 465 GLY D 80 REMARK 465 TYR D 81 REMARK 465 ARG D 82 REMARK 465 GLU D 179 REMARK 465 GLY D 180 REMARK 465 ALA D 181

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 OD2 ASP A 121 OD2 ASP C 121 2.12 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 41 -81.52 65.90 REMARK 500 ASP A 68 79.89 -69.05 REMARK 500 PRO A 91 25.95 -66.30 REMARK 500 TYR A 107 -103.89 -117.53 REMARK 500 HIS A 138 41.81 74.69 REMARK 500 PRO A 142 35.73 -74.61 REMARK 500 THR B 41 -83.01 66.92 REMARK 500 PRO B 91 27.19 -65.94 REMARK 500 TYR B 107 -104.35 -114.62 REMARK 500 HIS B 138 45.16 72.42 REMARK 500 PRO B 142 32.77 -73.74 REMARK 500 THR C 41 -81.35 67.52 REMARK 500 ASP C 68 81.04 -69.55 REMARK 500 PRO C 91 23.95 -65.09 REMARK 500 TYR C 107 -105.45 -114.49 REMARK 500 HIS C 138 44.88 72.79 REMARK 500 PRO C 142 33.73 -74.50 REMARK 500 THR D 41 -81.65 66.97 REMARK 500 PRO D 91 24.86 -65.44 REMARK 500 TYR D 107 -104.99 -114.42 REMARK 500 HIS D 138 44.66 72.73 REMARK 500 PRO D 142 34.60 -73.84 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 CL B 182 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL C 182 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 182 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL D 182

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: TTK003001027.1 RELATED DB: TARGETDB

DBREF 1UFR A 1 181 UNP P83822 P83822_THETH 1 181 DBREF 1UFR B 1 181 UNP P83822 P83822_THETH 1 181 DBREF 1UFR C 1 181 UNP P83822 P83822_THETH 1 181 DBREF 1UFR D 1 181 UNP P83822 P83822_THETH 1 181

SEQRES 1 A 181 MSE ARG PHE LYS ALA GLU LEU MSE ASN ALA PRO GLU MSE SEQRES 2 A 181 ARG ARG ALA LEU TYR ARG ILE ALA HIS GLU ILE VAL GLU SEQRES 3 A 181 ALA ASN LYS GLY THR GLU GLY LEU ALA LEU VAL GLY ILE SEQRES 4 A 181 HIS THR ARG GLY ILE PRO LEU ALA HIS ARG ILE ALA ARG SEQRES 5 A 181 PHE ILE ALA GLU PHE GLU GLY LYS GLU VAL PRO VAL GLY SEQRES 6 A 181 VAL LEU ASP ILE THR LEU TYR ARG ASP ASP LEU THR GLU SEQRES 7 A 181 ILE GLY TYR ARG PRO GLN VAL ARG GLU THR ARG ILE PRO SEQRES 8 A 181 PHE ASP LEU THR GLY LYS ALA ILE VAL LEU VAL ASP ASP SEQRES 9 A 181 VAL LEU TYR THR GLY ARG THR ALA ARG ALA ALA LEU ASP SEQRES 10 A 181 ALA LEU ILE ASP LEU GLY ARG PRO ARG ARG ILE TYR LEU SEQRES 11 A 181 ALA VAL LEU VAL ASP ARG GLY HIS ARG GLU LEU PRO ILE SEQRES 12 A 181 ARG ALA ASP PHE VAL GLY LYS ASN VAL PRO THR SER ARG SEQRES 13 A 181 SER GLU VAL VAL LYS VAL LYS VAL GLU GLU VAL ASP GLY SEQRES 14 A 181 GLU ASP ARG VAL GLU LEU TRP GLU ARG GLU GLY ALA SEQRES 1 B 181 MSE ARG PHE LYS ALA GLU LEU MSE ASN ALA PRO GLU MSE SEQRES 2 B 181 ARG ARG ALA LEU TYR ARG ILE ALA HIS GLU ILE VAL GLU SEQRES 3 B 181 ALA ASN LYS GLY THR GLU GLY LEU ALA LEU VAL GLY ILE SEQRES 4 B 181 HIS THR ARG GLY ILE PRO LEU ALA HIS ARG ILE ALA ARG SEQRES 5 B 181 PHE ILE ALA GLU PHE GLU GLY LYS GLU VAL PRO VAL GLY SEQRES 6 B 181 VAL LEU ASP ILE THR LEU TYR ARG ASP ASP LEU THR GLU SEQRES 7 B 181 ILE GLY TYR ARG PRO GLN VAL ARG GLU THR ARG ILE PRO SEQRES 8 B 181 PHE ASP LEU THR GLY LYS ALA ILE VAL LEU VAL ASP ASP SEQRES 9 B 181 VAL LEU TYR THR GLY ARG THR ALA ARG ALA ALA LEU ASP SEQRES 10 B 181 ALA LEU ILE ASP LEU GLY ARG PRO ARG ARG ILE TYR LEU SEQRES 11 B 181 ALA VAL LEU VAL ASP ARG GLY HIS ARG GLU LEU PRO ILE SEQRES 12 B 181 ARG ALA ASP PHE VAL GLY LYS ASN VAL PRO THR SER ARG SEQRES 13 B 181 SER GLU VAL VAL LYS VAL LYS VAL GLU GLU VAL ASP GLY SEQRES 14 B 181 GLU ASP ARG VAL GLU LEU TRP GLU ARG GLU GLY ALA SEQRES 1 C 181 MSE ARG PHE LYS ALA GLU LEU MSE ASN ALA PRO GLU MSE SEQRES 2 C 181 ARG ARG ALA LEU TYR ARG ILE ALA HIS GLU ILE VAL GLU SEQRES 3 C 181 ALA ASN LYS GLY THR GLU GLY LEU ALA LEU VAL GLY ILE SEQRES 4 C 181 HIS THR ARG GLY ILE PRO LEU ALA HIS ARG ILE ALA ARG SEQRES 5 C 181 PHE ILE ALA GLU PHE GLU GLY LYS GLU VAL PRO VAL GLY SEQRES 6 C 181 VAL LEU ASP ILE THR LEU TYR ARG ASP ASP LEU THR GLU SEQRES 7 C 181 ILE GLY TYR ARG PRO GLN VAL ARG GLU THR ARG ILE PRO SEQRES 8 C 181 PHE ASP LEU THR GLY LYS ALA ILE VAL LEU VAL ASP ASP SEQRES 9 C 181 VAL LEU TYR THR GLY ARG THR ALA ARG ALA ALA LEU ASP SEQRES 10 C 181 ALA LEU ILE ASP LEU GLY ARG PRO ARG ARG ILE TYR LEU SEQRES 11 C 181 ALA VAL LEU VAL ASP ARG GLY HIS ARG GLU LEU PRO ILE SEQRES 12 C 181 ARG ALA ASP PHE VAL GLY LYS ASN VAL PRO THR SER ARG SEQRES 13 C 181 SER GLU VAL VAL LYS VAL LYS VAL GLU GLU VAL ASP GLY SEQRES 14 C 181 GLU ASP ARG VAL GLU LEU TRP GLU ARG GLU GLY ALA SEQRES 1 D 181 MSE ARG PHE LYS ALA GLU LEU MSE ASN ALA PRO GLU MSE SEQRES 2 D 181 ARG ARG ALA LEU TYR ARG ILE ALA HIS GLU ILE VAL GLU SEQRES 3 D 181 ALA ASN LYS GLY THR GLU GLY LEU ALA LEU VAL GLY ILE SEQRES 4 D 181 HIS THR ARG GLY ILE PRO LEU ALA HIS ARG ILE ALA ARG SEQRES 5 D 181 PHE ILE ALA GLU PHE GLU GLY LYS GLU VAL PRO VAL GLY SEQRES 6 D 181 VAL LEU ASP ILE THR LEU TYR ARG ASP ASP LEU THR GLU SEQRES 7 D 181 ILE GLY TYR ARG PRO GLN VAL ARG GLU THR ARG ILE PRO SEQRES 8 D 181 PHE ASP LEU THR GLY LYS ALA ILE VAL LEU VAL ASP ASP SEQRES 9 D 181 VAL LEU TYR THR GLY ARG THR ALA ARG ALA ALA LEU ASP SEQRES 10 D 181 ALA LEU ILE ASP LEU GLY ARG PRO ARG ARG ILE TYR LEU SEQRES 11 D 181 ALA VAL LEU VAL ASP ARG GLY HIS ARG GLU LEU PRO ILE SEQRES 12 D 181 ARG ALA ASP PHE VAL GLY LYS ASN VAL PRO THR SER ARG SEQRES 13 D 181 SER GLU VAL VAL LYS VAL LYS VAL GLU GLU VAL ASP GLY SEQRES 14 D 181 GLU ASP ARG VAL GLU LEU TRP GLU ARG GLU GLY ALA

MODRES 1UFR MSE A 1 MET SELENOMETHIONINE MODRES 1UFR MSE A 8 MET SELENOMETHIONINE MODRES 1UFR MSE A 13 MET SELENOMETHIONINE MODRES 1UFR MSE B 1 MET SELENOMETHIONINE MODRES 1UFR MSE B 8 MET SELENOMETHIONINE MODRES 1UFR MSE B 13 MET SELENOMETHIONINE MODRES 1UFR MSE C 8 MET SELENOMETHIONINE MODRES 1UFR MSE C 13 MET SELENOMETHIONINE MODRES 1UFR MSE D 8 MET SELENOMETHIONINE MODRES 1UFR MSE D 13 MET SELENOMETHIONINE

HET MSE A 1 8 HET MSE A 8 8 HET MSE A 13 8 HET MSE B 1 8 HET MSE B 8 8 HET MSE B 13 8 HET MSE C 8 8 HET MSE C 13 8 HET MSE D 8 8 HET MSE D 13 8 HET CL B 182 1 HET CL C 182 1 HET CL A 182 1 HET CL D 182 1

HETNAM MSE SELENOMETHIONINE HETNAM CL CHLORIDE ION

FORMUL 1 MSE 10(C5 H11 N O2 SE) FORMUL 5 CL 4(CL 1-) FORMUL 9 HOH *83(H2 O)

HELIX 1 1 ALA A 10 LYS A 29 1 20 HELIX 2 2 ARG A 42 GLY A 59 1 18 HELIX 3 3 GLY A 109 GLY A 123 1 15 HELIX 4 4 VAL A 164 GLY A 169 1 6 HELIX 5 5 ALA B 10 LYS B 29 1 20 HELIX 6 6 ARG B 42 GLY B 59 1 18 HELIX 7 7 GLY B 109 GLY B 123 1 15 HELIX 8 8 VAL B 164 GLY B 169 1 6 HELIX 9 9 ALA C 10 LYS C 29 1 20 HELIX 10 10 ARG C 42 GLY C 59 1 18 HELIX 11 11 GLY C 109 ASP C 121 1 13 HELIX 12 12 VAL C 164 GLY C 169 1 6 HELIX 13 13 ALA D 10 LYS D 29 1 20 HELIX 14 14 ARG D 42 GLY D 59 1 18 HELIX 15 15 GLY D 109 GLY D 123 1 15 HELIX 16 16 VAL D 164 GLY D 169 1 6

SHEET 1 A 3 PHE A 3 ASN A 9 0 SHEET 2 A 3 ARG A 172 TRP A 176 -1 O LEU A 175 N ALA A 5 SHEET 3 A 3 VAL A 159 LYS A 163 -1 N LYS A 163 O ARG A 172 SHEET 1 B12 PHE A 147 ASN A 151 0 SHEET 2 B12 ARG A 127 ASP A 135 1 N VAL A 132 O GLY A 149 SHEET 3 B12 ALA A 98 LEU A 106 1 N LEU A 101 O ALA A 131 SHEET 4 B12 LEU A 34 ILE A 39 1 N VAL A 37 O VAL A 102 SHEET 5 B12 VAL A 64 THR A 70 1 O GLY A 65 N LEU A 36 SHEET 6 B12 GLN A 84 ILE A 90 -1 O GLN A 84 N THR A 70 SHEET 7 B12 GLN C 84 ILE C 90 -1 O THR C 88 N ILE A 90 SHEET 8 B12 VAL C 64 THR C 70 -1 N THR C 70 O GLN C 84 SHEET 9 B12 LEU C 34 ILE C 39 1 N LEU C 36 O GLY C 65 SHEET 10 B12 ALA C 98 LEU C 106 1 O VAL C 102 N VAL C 37 SHEET 11 B12 ARG C 127 ASP C 135 1 O ALA C 131 N LEU C 101 SHEET 12 B12 PHE C 147 ASN C 151 1 O GLY C 149 N VAL C 132 SHEET 1 C 3 PHE B 3 ASN B 9 0 SHEET 2 C 3 ARG B 172 GLU B 177 -1 O LEU B 175 N ALA B 5 SHEET 3 C 3 GLU B 158 LYS B 163 -1 N LYS B 163 O ARG B 172 SHEET 1 D12 PHE B 147 ASN B 151 0 SHEET 2 D12 ARG B 127 ASP B 135 1 N VAL B 132 O PHE B 147 SHEET 3 D12 ALA B 98 LEU B 106 1 N LEU B 101 O ALA B 131 SHEET 4 D12 LEU B 34 ILE B 39 1 N VAL B 37 O VAL B 102 SHEET 5 D12 VAL B 64 THR B 70 1 O GLY B 65 N LEU B 36 SHEET 6 D12 GLN B 84 ILE B 90 -1 O GLN B 84 N THR B 70 SHEET 7 D12 GLN D 84 ILE D 90 -1 O ILE D 90 N THR B 88 SHEET 8 D12 VAL D 64 THR D 70 -1 N THR D 70 O GLN D 84 SHEET 9 D12 LEU D 34 GLY D 38 1 N LEU D 36 O GLY D 65 SHEET 10 D12 ALA D 98 LEU D 106 1 O VAL D 102 N VAL D 37 SHEET 11 D12 ARG D 127 ASP D 135 1 O ALA D 131 N LEU D 101 SHEET 12 D12 PHE D 147 ASN D 151 1 O GLY D 149 N VAL D 132 SHEET 1 E 3 PHE C 3 ASN C 9 0 SHEET 2 E 3 ARG C 172 TRP C 176 -1 O LEU C 175 N ALA C 5 SHEET 3 E 3 VAL C 159 LYS C 163 -1 N LYS C 163 O ARG C 172 SHEET 1 F 3 PHE D 3 ASN D 9 0 SHEET 2 F 3 ARG D 172 TRP D 176 -1 O LEU D 175 N ALA D 5 SHEET 3 F 3 VAL D 159 LYS D 163 -1 N LYS D 163 O ARG D 172

LINK C MSE A 1 N ARG A 2 1555 1555 1.33 LINK C LEU A 7 N MSE A 8 1555 1555 1.33 LINK C MSE A 8 N ASN A 9 1555 1555 1.33 LINK C GLU A 12 N MSE A 13 1555 1555 1.33 LINK C MSE A 13 N ARG A 14 1555 1555 1.33 LINK C MSE B 1 N ARG B 2 1555 1555 1.33 LINK C LEU B 7 N MSE B 8 1555 1555 1.33 LINK C MSE B 8 N ASN B 9 1555 1555 1.33 LINK C GLU B 12 N MSE B 13 1555 1555 1.33 LINK C MSE B 13 N ARG B 14 1555 1555 1.33 LINK C LEU C 7 N MSE C 8 1555 1555 1.33 LINK C MSE C 8 N ASN C 9 1555 1555 1.33 LINK C GLU C 12 N MSE C 13 1555 1555 1.32 LINK C MSE C 13 N ARG C 14 1555 1555 1.33 LINK C LEU D 7 N MSE D 8 1555 1555 1.33 LINK C MSE D 8 N ASN D 9 1555 1555 1.33 LINK C GLU D 12 N MSE D 13 1555 1555 1.33 LINK C MSE D 13 N ARG D 14 1555 1555 1.33

SITE 1 AC1 2 TYR B 107 GLY B 109 SITE 1 AC2 5 LEU C 106 TYR C 107 GLY C 109 THR C 111 SITE 2 AC2 5 ALA C 112 SITE 1 AC3 4 TYR A 107 GLY A 109 ARG A 110 THR A 111 SITE 1 AC4 3 TYR D 107 GLY D 109 HOH D 185

CRYST1 58.310 114.136 146.190 90.00 90.00 90.00 P 21 21 21 16

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 0.017150 0.000000 0.000000 0.00000

SCALE2 0.000000 0.008761 0.000000 0.00000

SCALE3 0.000000 0.000000 0.006840 0.00000