HEADER VIRAL PROTEIN 09-OCT-16 5M1K TITLE CRYSTAL STRUCTURE OF THE LARGE TERMINASE NUCLEASE FROM THERMOPHILIC TITLE 2 PHAGE G20C WITH BOUND MAGNESIUM COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHAGE TERMINASE LARGE SUBUNIT; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 OTHER_DETAILS: SCIENTIFIC_NAME: 'THERMUS PHAGE G20C' COMPND 6 NCBI_TAXONOMY_ID: 1406341 THE SAME AS ENTRY.ID 4XVN SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS PHAGE G20C; SOURCE 3 ORGANISM_TAXID: 1406341; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS LARGE TERMINASE, NUCLEASE DOMAIN, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR R.G.XU,H.T.JENKINS,M.CHECHIK,E.V.BLAGOVA,S.J.GREIVE,A.A.ANTSON REVDAT 4 08-MAY-24 5M1K 1 LINK REVDAT 3 03-MAY-17 5M1K 1 JRNL REVDAT 2 01-FEB-17 5M1K 1 JRNL REVDAT 1 26-OCT-16 5M1K 0 JRNL AUTH R.G.XU,H.T.JENKINS,M.CHECHIK,E.V.BLAGOVA,A.LOPATINA, JRNL AUTH 2 E.KLIMUK,L.MINAKHIN,K.SEVERINOV,S.J.GREIVE,A.A.ANTSON JRNL TITL VIRAL GENOME PACKAGING TERMINASE CLEAVES DNA USING THE JRNL TITL 2 CANONICAL RUVC-LIKE TWO-METAL CATALYSIS MECHANISM. JRNL REF NUCLEIC ACIDS RES. V. 45 3580 2017 JRNL REFN ESSN 1362-4962 JRNL PMID 28100693 JRNL DOI 10.1093/NAR/GKW1354 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0155 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.78 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 93879 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) : 0.185 REMARK 3 R VALUE (WORKING SET) : 0.183 REMARK 3 FREE R VALUE : 0.209 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 4820 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 6911 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.36 REMARK 3 BIN R VALUE (WORKING SET) : 0.3090 REMARK 3 BIN FREE R VALUE SET COUNT : 394 REMARK 3 BIN FREE R VALUE : 0.3100 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2928 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 25 REMARK 3 SOLVENT ATOMS : 461 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.41 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.11000 REMARK 3 B22 (A**2) : 0.51000 REMARK 3 B33 (A**2) : -0.39000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.11000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.048 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.050 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.041 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.934 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.970 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.960 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3134 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2889 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4274 ; 1.285 ; 1.965 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6631 ; 0.880 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 406 ; 5.780 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 146 ;36.565 ;24.110 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 508 ;11.169 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 22 ;13.574 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 472 ; 0.078 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3678 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 732 ; 0.002 ; 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): 1585 ; 0.796 ; 1.260 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 1584 ; 0.785 ; 1.259 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2004 ; 1.322 ; 1.888 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL 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 : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 5M1K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 10-OCT-16. REMARK 100 THE DEPOSITION ID IS D_1200001730. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-MAR-16 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5-6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9796 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M-F REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS, XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 98722 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 43.780 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : 0.07300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 7.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.22 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.6 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : 0.76500 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: SAD REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.97 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM TARTRATE, 0.1 M BIS REMARK 280 -TRIS PH 5.5-6.5, 20% PEG 3350, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 27.02850 REMARK 290 SMTRY3 2 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 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 350 REMARK 350 BIOMOLECULE: 2 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: 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 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 253 REMARK 465 GLY A 443 REMARK 465 GLY B 253 REMARK 465 GLY B 443 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 PRO A 254 CG CD REMARK 470 LYS A 297 CG CD CE NZ REMARK 470 GLU A 357 CG CD OE1 OE2 REMARK 470 ARG A 406 CG CD NE CZ NH1 NH2 REMARK 470 GLU B 281 CG CD OE1 OE2 REMARK 470 LYS B 372 CG CD CE NZ REMARK 470 GLU B 442 CG CD OE1 OE2 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 ASN A 298 -115.53 54.04 REMARK 500 TYR A 339 41.71 -106.58 REMARK 500 ASN B 298 -126.20 56.13 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 MG B 501 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 294 OD2 REMARK 620 2 ASP B 429 OD1 100.2 REMARK 620 3 HOH B 658 O 86.7 79.9 REMARK 620 4 HOH B 790 O 170.8 88.8 93.5 REMARK 620 5 HOH B 791 O 89.6 162.6 86.5 81.2 REMARK 620 6 HOH B 795 O 95.7 90.0 169.8 85.6 103.4 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue BTB B 503 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5M1F RELATED DB: PDB REMARK 900 5M1F CONTAINS THE SAME PROTEIN WITHOUT METAL IONS. DBREF 5M1K A 253 443 PDB 5M1K 5M1K 253 443 DBREF 5M1K B 253 443 PDB 5M1K 5M1K 253 443 SEQRES 1 A 191 GLY PRO ALA MET ASN SER VAL PHE SER GLY LEU ASP MET SEQRES 2 A 191 LEU ILE LEU LEU PRO TYR GLU ARG ARG GLY THR ARG LEU SEQRES 3 A 191 VAL VAL GLU ASP TYR ARG PRO ASP HIS ILE TYR CYS ILE SEQRES 4 A 191 GLY ALA ASP PHE GLY LYS ASN GLN ASP TYR SER VAL PHE SEQRES 5 A 191 SER VAL LEU ASP LEU ASP THR GLY ALA ILE ALA CYS LEU SEQRES 6 A 191 GLU ARG MET ASN GLY ALA THR TRP SER ASP GLN VAL ALA SEQRES 7 A 191 ARG LEU LYS ALA LEU SER GLU ASP TYR GLY HIS ALA TYR SEQRES 8 A 191 VAL VAL ALA ASP THR TRP GLY VAL GLY ASP ALA ILE ALA SEQRES 9 A 191 GLU GLU LEU ASP ALA GLN GLY ILE ASN TYR THR PRO LEU SEQRES 10 A 191 PRO VAL LYS SER SER SER VAL LYS GLU GLN LEU ILE SER SEQRES 11 A 191 ASN LEU ALA LEU LEU MET GLU LYS GLY GLN VAL ALA VAL SEQRES 12 A 191 PRO ASN ASP LYS THR ILE LEU ASP GLU LEU ARG ASN PHE SEQRES 13 A 191 ARG TYR TYR ARG THR ALA SER GLY ASN GLN VAL MET ARG SEQRES 14 A 191 ALA TYR GLY ARG GLY HIS ASP ASP ILE VAL MET SER LEU SEQRES 15 A 191 ALA LEU ALA TYR SER GLN TYR GLU GLY SEQRES 1 B 191 GLY PRO ALA MET ASN SER VAL PHE SER GLY LEU ASP MET SEQRES 2 B 191 LEU ILE LEU LEU PRO TYR GLU ARG ARG GLY THR ARG LEU SEQRES 3 B 191 VAL VAL GLU ASP TYR ARG PRO ASP HIS ILE TYR CYS ILE SEQRES 4 B 191 GLY ALA ASP PHE GLY LYS ASN GLN ASP TYR SER VAL PHE SEQRES 5 B 191 SER VAL LEU ASP LEU ASP THR GLY ALA ILE ALA CYS LEU SEQRES 6 B 191 GLU ARG MET ASN GLY ALA THR TRP SER ASP GLN VAL ALA SEQRES 7 B 191 ARG LEU LYS ALA LEU SER GLU ASP TYR GLY HIS ALA TYR SEQRES 8 B 191 VAL VAL ALA ASP THR TRP GLY VAL GLY ASP ALA ILE ALA SEQRES 9 B 191 GLU GLU LEU ASP ALA GLN GLY ILE ASN TYR THR PRO LEU SEQRES 10 B 191 PRO VAL LYS SER SER SER VAL LYS GLU GLN LEU ILE SER SEQRES 11 B 191 ASN LEU ALA LEU LEU MET GLU LYS GLY GLN VAL ALA VAL SEQRES 12 B 191 PRO ASN ASP LYS THR ILE LEU ASP GLU LEU ARG ASN PHE SEQRES 13 B 191 ARG TYR TYR ARG THR ALA SER GLY ASN GLN VAL MET ARG SEQRES 14 B 191 ALA TYR GLY ARG GLY HIS ASP ASP ILE VAL MET SER LEU SEQRES 15 B 191 ALA LEU ALA TYR SER GLN TYR GLU GLY HET SO4 A 501 5 HET MG B 501 1 HET SO4 B 502 10 HET BTB B 503 14 HETNAM SO4 SULFATE ION HETNAM MG MAGNESIUM ION HETNAM BTB 2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL- HETNAM 2 BTB PROPANE-1,3-DIOL HETSYN BTB BIS-TRIS BUFFER FORMUL 3 SO4 2(O4 S 2-) FORMUL 4 MG MG 2+ FORMUL 6 BTB C8 H19 N O5 FORMUL 7 HOH *461(H2 O) HELIX 1 AA1 GLY A 262 LEU A 266 5 5 HELIX 2 AA2 THR A 324 TYR A 339 1 16 HELIX 3 AA3 GLY A 352 GLN A 362 1 11 HELIX 4 AA4 SER A 373 LYS A 390 1 18 HELIX 5 AA5 ASP A 398 ASN A 407 1 10 HELIX 6 AA6 ASP A 428 SER A 439 1 12 HELIX 7 AA7 GLY B 262 LEU B 266 5 5 HELIX 8 AA8 THR B 324 TYR B 339 1 16 HELIX 9 AA9 ASP B 353 GLN B 362 1 10 HELIX 10 AB1 SER B 373 LYS B 390 1 18 HELIX 11 AB2 ASP B 398 ASN B 407 1 10 HELIX 12 AB3 ASP B 428 SER B 439 1 12 SHEET 1 AA1 2 ILE A 267 LEU A 269 0 SHEET 2 AA1 2 ALA A 394 PRO A 396 1 O VAL A 395 N LEU A 269 SHEET 1 AA2 7 GLU A 272 ARG A 274 0 SHEET 2 AA2 7 ARG A 277 VAL A 279 -1 O VAL A 279 N GLU A 272 SHEET 3 AA2 7 ALA A 313 MET A 320 -1 O LEU A 317 N LEU A 278 SHEET 4 AA2 7 SER A 302 ASP A 308 -1 N VAL A 306 O CYS A 316 SHEET 5 AA2 7 TYR A 289 ASP A 294 -1 N CYS A 290 O LEU A 307 SHEET 6 AA2 7 TYR A 343 ALA A 346 1 O VAL A 345 N ILE A 291 SHEET 7 AA2 7 TYR A 366 PRO A 368 1 O THR A 367 N VAL A 344 SHEET 1 AA3 2 PHE A 408 ARG A 412 0 SHEET 2 AA3 2 GLN A 418 ALA A 422 -1 O ARG A 421 N ARG A 409 SHEET 1 AA4 2 ILE B 267 LEU B 269 0 SHEET 2 AA4 2 ALA B 394 PRO B 396 1 O VAL B 395 N LEU B 269 SHEET 1 AA5 7 GLU B 272 ARG B 274 0 SHEET 2 AA5 7 ARG B 277 VAL B 279 -1 O ARG B 277 N ARG B 274 SHEET 3 AA5 7 ALA B 313 MET B 320 -1 O LEU B 317 N LEU B 278 SHEET 4 AA5 7 SER B 302 ASP B 308 -1 N VAL B 306 O CYS B 316 SHEET 5 AA5 7 TYR B 289 ASP B 294 -1 N CYS B 290 O LEU B 307 SHEET 6 AA5 7 TYR B 343 ALA B 346 1 O VAL B 345 N ILE B 291 SHEET 7 AA5 7 TYR B 366 PRO B 368 1 O THR B 367 N VAL B 344 SHEET 1 AA6 2 PHE B 408 ARG B 412 0 SHEET 2 AA6 2 GLN B 418 ALA B 422 -1 O ARG B 421 N ARG B 409 LINK OD2AASP B 294 MG MG B 501 1555 1555 2.17 LINK OD1 ASP B 429 MG MG B 501 1555 1555 2.36 LINK MG MG B 501 O HOH B 658 1555 1555 1.94 LINK MG MG B 501 O HOH B 790 1555 1555 2.02 LINK MG MG B 501 O HOH B 791 1555 1555 2.19 LINK MG MG B 501 O HOH B 795 1555 1555 2.05 SITE 1 AC1 6 ASN A 257 ARG A 409 TYR A 411 HOH A 607 SITE 2 AC1 6 HOH A 670 HOH A 694 SITE 1 AC2 6 ASP B 294 ASP B 429 HOH B 658 HOH B 790 SITE 2 AC2 6 HOH B 791 HOH B 795 SITE 1 AC3 9 ASN B 257 ARG B 409 TYR B 411 ARG B 421 SITE 2 AC3 9 TYR B 423 GLY B 424 HOH B 612 HOH B 654 SITE 3 AC3 9 HOH B 673 SITE 1 AC4 7 GLU B 378 SER B 382 GLN B 418 HOH B 627 SITE 2 AC4 7 HOH B 649 HOH B 666 HOH B 758 CRYST1 43.807 54.057 69.950 90.00 91.94 90.00 P 1 21 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 0.022827 0.000000 0.000774 0.00000 SCALE2 0.000000 0.018499 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014304 0.00000