HEADER HYDROLASE 28-APR-10 3MQU OBSLTE 21-JUL-10 3MQU 3NL9 TITLE CRYSTAL STRUCTURE OF A PUTATIVE NTP PYROPHOSPHOHYDROLASE (EXIG_1061) TITLE 2 FROM EXIGUOBACTERIUM SP. 255-15 AT 1.79 A RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE NTP PYROPHOSPHOHYDROLASE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: EXIGUOBACTERIUM SIBIRICUM; SOURCE 3 ORGANISM_TAXID: 262543; SOURCE 4 STRAIN: DSM 17290 / JCM 13490 / 255-15; SOURCE 5 GENE: EXIG_1061; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: HK100; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: SPEEDET KEYWDS UNCHARACTERIZED PROTEIN CONSERVED IN BACTERIA (DUF2166), STRUCTURAL KEYWDS 2 GENOMICS, JOINT CENTER FOR STRUCTURAL GENOMICS, JCSG, PROTEIN KEYWDS 3 STRUCTURE INITIATIVE, PSI-2-2, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG) REVDAT 2 21-JUL-10 3MQU 1 OBSLTE REVDAT 1 26-MAY-10 3MQU 0 SPRSDE 26-MAY-10 3MQU 2RFP JRNL AUTH JOINT CENTER FOR STRUCTURAL GENOMICS (JCSG) JRNL TITL CRYSTAL STRUCTURE OF A PUTATIVE NTP PYROPHOSPHOHYDROLASE JRNL TITL 2 (EXIG_1061) FROM EXIGUOBACTERIUM SP. 255-15 AT 1.79 A JRNL TITL 3 RESOLUTION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0102 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD WITH PHASES REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 87.8 REMARK 3 NUMBER OF REFLECTIONS : 13711 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 + TEST SET) : 0.177 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.222 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 700 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.79 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.84 REMARK 3 REFLECTION IN BIN (WORKING SET) : 444 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 40.41 REMARK 3 BIN R VALUE (WORKING SET) : 0.3170 REMARK 3 BIN FREE R VALUE SET COUNT : 13 REMARK 3 BIN FREE R VALUE : 0.3980 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1320 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 8 REMARK 3 SOLVENT ATOMS : 141 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.79000 REMARK 3 B22 (A**2) : -1.24000 REMARK 3 B33 (A**2) : -1.68000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.17000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.143 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.101 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.500 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1380 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 943 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1873 ; 1.394 ; 1.962 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2311 ; 0.914 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 172 ; 5.256 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 66 ;37.150 ;25.303 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 227 ;12.746 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 6 ;19.143 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 201 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1550 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 262 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 858 ; 1.981 ; 3.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 339 ; 0.556 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1385 ; 3.200 ; 5.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 522 ; 5.663 ; 8.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 488 ; 8.400 ;11.000 REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: (1). HYDROGENS HAVE BEEN ADDED IN THE REMARK 3 RIDING POSITIONS. (2). A MET-INHIBITION PROTOCOL WAS USED FOR REMARK 3 SELENOMETHIONINE INCORPORATION DURING PROTEIN EXPRESSION. THE REMARK 3 OCCUPANCY OF THE SE ATOMS IN THE MSE RESIDUES WAS REDUCED TO 0.75 REMARK 3 TO ACCOUNT FOR THE REDUCED SCATTERING POWER DUE TO PARTIAL S-MET REMARK 3 INCORPORATION. (3). 1,2-ETHANEDIOL (EDO) MOLECULES FROM THE CRYO REMARK 3 CONDITION WERE MODELED INTO THE STRUCTURE. REMARK 4 REMARK 4 3MQU COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-APR-10. REMARK 100 THE RCSB ID CODE IS RCSB058885. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-AUG-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ALS REMARK 200 BEAMLINE : 8.2.2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000,0.9798 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL SI(111) REMARK 200 OPTICS : KOHZU: DOUBLE CRYSTAL SI(111) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13711 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.790 REMARK 200 RESOLUTION RANGE LOW (A) : 27.756 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 82.7 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : 0.06000 REMARK 200 FOR THE DATA SET : 9.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 20.6 REMARK 200 DATA REDUNDANCY IN SHELL : 1.10 REMARK 200 R MERGE FOR SHELL (I) : 0.67500 REMARK 200 R SYM FOR SHELL (I) : 0.67500 REMARK 200 FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SHELXD REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.14 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.4000M NA3CITRATE, 0.1M HEPES PH 7.5, REMARK 280 NANODROP, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 26.06300 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 34.53850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 26.06300 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 34.53850 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 11350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15790 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -88.0 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 -1.000000 0.000000 0.000000 -18.61715 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 46.61696 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 GLY A 0 REMARK 465 MSE A 1 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 2 CG CD CE NZ REMARK 470 GLN A 72 OE1 NE2 REMARK 470 LYS A 76 CE NZ REMARK 470 LYS A 79 NZ REMARK 470 GLU A 140 CG CD OE1 OE2 REMARK 470 SER A 141 OG REMARK 470 ASP A 142 CG OD1 OD2 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 VAL A 45 -64.08 -104.80 REMARK 500 SER A 141 93.32 -66.55 REMARK 500 ASP A 142 5.10 90.20 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 EDO A 171 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 172 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 378014 RELATED DB: TARGETDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE CONSTRUCT WAS EXPRESSED WITH A PURIFICATION TAG REMARK 999 MGSDKIHHHHHHENLYFQG. THE TAG WAS REMOVED WITH TEV PROTEASE LEAVING REMARK 999 ONLY A GLYCINE FOLLOWED BY THE TARGET SEQUENCE. DBREF 3MQU A 1 170 UNP B1YMF4 B1YMF4_EXIS2 1 170 SEQADV 3MQU GLY A 0 UNP B1YMF4 LEADER SEQUENCE SEQRES 1 A 171 GLY MSE LYS GLN PRO ASN TYR TYR GLN ASP VAL LYS GLN SEQRES 2 A 171 PHE HIS GLN THR PHE HIS HIS PRO GLY ALA ASP GLN PRO SEQRES 3 A 171 THR ALA ILE PRO LEU ASP ARG GLY VAL LYS ARG ALA THR SEQRES 4 A 171 TRP THR ALA GLU GLU ALA VAL VAL GLU PHE LEU HIS GLN SEQRES 5 A 171 SER SER GLN ASN GLU THR GLU PHE LEU ALA ALA ILE GLU SEQRES 6 A 171 THR PHE LYS ALA GLY LEU ASP GLN ALA VAL LYS LYS SER SEQRES 7 A 171 LEU LYS GLU THR TYR PRO VAL THR GLU VAL GLU ARG LEU SEQRES 8 A 171 VAL GLY GLN GLY ASP ALA LEU THR ASP ALA LEU TYR PHE SEQRES 9 A 171 ILE MSE GLY SER PHE VAL GLU ALA GLY LEU GLU PRO GLY SEQRES 10 A 171 PRO LEU PHE GLU ILE VAL GLN GLN ALA ASN MSE ALA LYS SEQRES 11 A 171 LEU GLY PRO ASP GLY GLN PRO ILE PHE ARG GLU SER ASP SEQRES 12 A 171 GLN LYS VAL MSE LYS PRO ASP GLY TRP LEU PRO PRO GLU SEQRES 13 A 171 PRO GLN LEU GLU ALA GLU VAL VAL ARG GLN MSE LYS GLU SEQRES 14 A 171 LYS ALA MODRES 3MQU MSE A 105 MET SELENOMETHIONINE MODRES 3MQU MSE A 127 MET SELENOMETHIONINE MODRES 3MQU MSE A 146 MET SELENOMETHIONINE MODRES 3MQU MSE A 166 MET SELENOMETHIONINE HET MSE A 105 8 HET MSE A 127 8 HET MSE A 146 8 HET MSE A 166 8 HET EDO A 171 4 HET EDO A 172 4 HETNAM MSE SELENOMETHIONINE HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 1 MSE 4(C5 H11 N O2 SE) FORMUL 2 EDO 2(C2 H6 O2) FORMUL 4 HOH *141(H2 O) HELIX 1 1 ASN A 5 PHE A 17 1 13 HELIX 2 2 PRO A 29 VAL A 45 1 17 HELIX 3 3 VAL A 45 SER A 52 1 8 HELIX 4 4 ASN A 55 LYS A 79 1 25 HELIX 5 5 THR A 85 GLY A 112 1 28 HELIX 6 6 GLU A 114 ALA A 128 1 15 HELIX 7 7 PRO A 154 ALA A 170 1 17 SHEET 1 A 2 ILE A 137 PHE A 138 0 SHEET 2 A 2 VAL A 145 MSE A 146 -1 O MSE A 146 N ILE A 137 LINK C AILE A 104 N MSE A 105 1555 1555 1.33 LINK C BILE A 104 N MSE A 105 1555 1555 1.33 LINK C MSE A 105 N GLY A 106 1555 1555 1.33 LINK C ASN A 126 N MSE A 127 1555 1555 1.33 LINK C MSE A 127 N ALA A 128 1555 1555 1.33 LINK C VAL A 145 N MSE A 146 1555 1555 1.33 LINK C MSE A 146 N LYS A 147 1555 1555 1.33 LINK C GLN A 165 N MSE A 166 1555 1555 1.33 LINK C MSE A 166 N LYS A 167 1555 1555 1.34 SITE 1 AC1 4 HIS A 14 ARG A 36 GLY A 106 HOH A 309 SITE 1 AC2 5 THR A 26 ALA A 27 GLU A 86 LEU A 90 SITE 2 AC2 5 MSE A 166 CRYST1 52.126 69.077 50.197 90.00 111.77 90.00 C 1 2 1 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 0.019184 0.000000 0.007662 0.00000 SCALE2 0.000000 0.014477 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021452 0.00000