HEADER TRANSCRIPTION/DNA 27-JAN-98 1MJ2 TITLE METHIONINE REPRESSOR MUTANT (Q44K) PLUS COREPRESSOR (S-ADENOSYL TITLE 2 METHIONINE) COMPLEXED TO A CONSENSUS OPERATOR SEQUENCE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DNA (5'- COMPND 3 D(*TP*TP*AP*GP*AP*CP*GP*TP*CP*TP*AP*GP*AP*CP*GP*TP*CP*TP*A)-3'); COMPND 4 CHAIN: F, G; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PROTEIN (METHIONINE REPRESSOR); COMPND 8 CHAIN: A, B, C, D; COMPND 9 ENGINEERED: YES; COMPND 10 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 5 ORGANISM_TAXID: 562; SOURCE 6 GENE: METJ; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSCRIPTION REGULATION, METJ, METHIONINE REPRESSOR, SHEET-HELIX- KEYWDS 2 HELIX, S-ADENOSYL METHIONINE, DNA, COMPLEX (TRANSCRIPTION KEYWDS 3 REGULATION-DNA), TRANSCRIPTION-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR C.W.GARVIE,S.E.V.PHILLIPS REVDAT 4 03-NOV-21 1MJ2 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1MJ2 1 VERSN REVDAT 2 01-APR-03 1MJ2 1 JRNL REVDAT 1 02-AUG-99 1MJ2 0 JRNL AUTH C.W.GARVIE,S.E.PHILLIPS JRNL TITL DIRECT AND INDIRECT READOUT IN MUTANT MET REPRESSOR-OPERATOR JRNL TITL 2 COMPLEXES. JRNL REF STRUCTURE FOLD.DES. V. 8 905 2000 JRNL REFN ISSN 0969-2126 JRNL PMID 10986458 JRNL DOI 10.1016/S0969-2126(00)00182-9 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.860 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.2 REMARK 3 NUMBER OF REFLECTIONS : 26667 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) : 0.212 REMARK 3 FREE R VALUE : 0.260 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1370 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 : 15 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 78.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1460 REMARK 3 BIN R VALUE (WORKING SET) : 0.3310 REMARK 3 BIN FREE R VALUE : 0.3050 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 71 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.034 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3380 REMARK 3 NUCLEIC ACID ATOMS : 772 REMARK 3 HETEROGEN ATOMS : 109 REMARK 3 SOLVENT ATOMS : 220 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.40 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.38 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) : 0.32 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.890 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 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : SAM.PAR REMARK 3 PARAMETER FILE 4 : PARAMETER.ELEMENTS REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : SAM.TOP REMARK 3 TOPOLOGY FILE 4 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1MJ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY NDB. REMARK 100 THE DEPOSITION ID IS D_1000175023. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-FEB-97 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SRS REMARK 200 BEAMLINE : PX9.6 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.8700 REMARK 200 MONOCHROMATOR : SILICON (111) REMARK 200 OPTICS : PLATINUM COATED MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26667 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 33.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.9 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 90.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.04600 REMARK 200 R SYM FOR SHELL (I) : 0.22200 REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER METHODS REMARK 200 SOFTWARE USED: CCP4 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.92 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.0, VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 60.06000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 30.03000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 30.03000 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 60.06000 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: HEXAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: F, G, A, B, 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 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 LYS A 16 33.39 -82.02 REMARK 500 GLU A 79 -5.09 -40.65 REMARK 500 ARG A 80 165.71 71.06 REMARK 500 SER A 81 -19.93 70.38 REMARK 500 GLU B 13 98.21 -64.01 REMARK 500 HIS B 14 151.82 -29.72 REMARK 500 ARG B 77 -9.56 -171.21 REMARK 500 GLU B 79 -173.95 -64.62 REMARK 500 LYS C 44 -70.78 -55.83 REMARK 500 VAL C 45 4.66 -61.49 REMARK 500 GLU D 2 -165.38 48.91 REMARK 500 TRP D 3 144.81 -3.72 REMARK 500 ALA D 12 -130.81 -80.20 REMARK 500 ASP D 82 74.93 -161.82 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 CA B1202 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 90 OE2 REMARK 620 2 GLU A 94 OE2 77.0 REMARK 620 3 GLU B 90 OE1 152.6 76.0 REMARK 620 4 GLU B 90 OE2 153.7 116.2 49.1 REMARK 620 5 GLU B 94 OE2 106.2 130.4 88.0 83.0 REMARK 620 6 HOH B3331 O 83.5 68.8 91.1 81.0 159.6 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 CA B 1202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 2200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM A 2201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM C 1200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SAM C 2199 DBREF 1MJ2 A 1 104 UNP P0A8U6 METJ_ECOLI 1 104 DBREF 1MJ2 B 1 104 UNP P0A8U6 METJ_ECOLI 1 104 DBREF 1MJ2 C 1 104 UNP P0A8U6 METJ_ECOLI 1 104 DBREF 1MJ2 D 1 104 UNP P0A8U6 METJ_ECOLI 1 104 DBREF 1MJ2 F -1 17 PDB 1MJ2 1MJ2 -1 17 DBREF 1MJ2 G -1 17 PDB 1MJ2 1MJ2 -1 17 SEQADV 1MJ2 LYS A 44 UNP P0A8U6 GLU 44 ENGINEERED MUTATION SEQADV 1MJ2 LYS B 44 UNP P0A8U6 GLU 44 ENGINEERED MUTATION SEQADV 1MJ2 LYS C 44 UNP P0A8U6 GLU 44 ENGINEERED MUTATION SEQADV 1MJ2 LYS D 44 UNP P0A8U6 GLU 44 ENGINEERED MUTATION SEQRES 1 F 19 DT DT DA DG DA DC DG DT DC DT DA DG DA SEQRES 2 F 19 DC DG DT DC DT DA SEQRES 1 G 19 DT DT DA DG DA DC DG DT DC DT DA DG DA SEQRES 2 G 19 DC DG DT DC DT DA SEQRES 1 A 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 A 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 A 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 A 104 ARG THR ARG ARG LYS VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 A 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 A 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 A 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 A 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR SEQRES 1 B 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 B 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 B 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 B 104 ARG THR ARG ARG LYS VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 B 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 B 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 B 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 B 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR SEQRES 1 C 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 C 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 C 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 C 104 ARG THR ARG ARG LYS VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 C 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 C 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 C 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 C 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR SEQRES 1 D 104 ALA GLU TRP SER GLY GLU TYR ILE SER PRO TYR ALA GLU SEQRES 2 D 104 HIS GLY LYS LYS SER GLU GLN VAL LYS LYS ILE THR VAL SEQRES 3 D 104 SER ILE PRO LEU LYS VAL LEU LYS ILE LEU THR ASP GLU SEQRES 4 D 104 ARG THR ARG ARG LYS VAL ASN ASN LEU ARG HIS ALA THR SEQRES 5 D 104 ASN SER GLU LEU LEU CYS GLU ALA PHE LEU HIS ALA PHE SEQRES 6 D 104 THR GLY GLN PRO LEU PRO ASP ASP ALA ASP LEU ARG LYS SEQRES 7 D 104 GLU ARG SER ASP GLU ILE PRO GLU ALA ALA LYS GLU ILE SEQRES 8 D 104 MET ARG GLU MET GLY ILE ASN PRO GLU THR TRP GLU TYR HET SAM A2200 27 HET SAM A2201 27 HET CA B1202 1 HET SAM C1200 27 HET SAM C2199 27 HETNAM SAM S-ADENOSYLMETHIONINE HETNAM CA CALCIUM ION FORMUL 7 SAM 4(C15 H22 N6 O5 S) FORMUL 9 CA CA 2+ FORMUL 12 HOH *220(H2 O) HELIX 1 AA LEU A 30 VAL A 45 1 16 HELIX 2 AB ASN A 53 THR A 66 1 14 HELIX 3 AC GLU A 86 GLU A 94 1 9 HELIX 4 BA LEU B 30 VAL B 45 1 16 HELIX 5 BB ASN B 53 THR B 66 1 14 HELIX 6 BC GLU B 86 MET B 95 1 10 HELIX 7 CA LEU C 30 VAL C 45 1 16 HELIX 8 CB ASN C 53 THR C 66 1 14 HELIX 9 CC GLU C 86 GLU C 94 1 9 HELIX 10 DA LEU D 30 VAL D 45 1 16 HELIX 11 DB ASN D 53 THR D 66 1 14 HELIX 12 DC GLU D 86 MET D 95 1 10 SHEET 1 AS1 1 VAL A 21 ILE A 28 0 SHEET 1 BS2 1 VAL B 21 ILE B 28 0 SHEET 1 CS1 1 VAL C 21 ILE C 28 0 SHEET 1 DS2 1 VAL D 21 ILE D 28 0 LINK OE2 GLU A 90 CA CA B1202 5555 1555 2.50 LINK OE2 GLU A 94 CA CA B1202 5555 1555 2.44 LINK OE1 GLU B 90 CA CA B1202 1555 1555 2.80 LINK OE2 GLU B 90 CA CA B1202 1555 1555 2.47 LINK OE2 GLU B 94 CA CA B1202 1555 1555 2.91 LINK CA CA B1202 O HOH B3331 1555 1555 2.67 SITE 1 AC1 5 GLU A 90 GLU A 94 GLU B 90 GLU B 94 SITE 2 AC1 5 HOH B3331 SITE 1 AC2 16 PHE A 61 HIS A 63 ALA A 64 PHE A 65 SITE 2 AC2 16 GLY A 67 HOH A3215 HOH A3352 GLU B 39 SITE 3 AC2 16 ARG B 43 LEU B 56 GLU B 59 HIS B 63 SITE 4 AC2 16 PRO B 71 HOH B3303 HOH B3309 HOH B3347 SITE 1 AC3 17 GLU A 39 ARG A 43 LEU A 56 GLU A 59 SITE 2 AC3 17 ALA A 60 HIS A 63 PRO A 71 HOH A3210 SITE 3 AC3 17 HOH A3250 HOH A3305 HOH A3327 HOH A3352 SITE 4 AC3 17 PHE B 61 HIS B 63 ALA B 64 PHE B 65 SITE 5 AC3 17 GLY B 67 SITE 1 AC4 16 GLU C 39 ARG C 43 LEU C 56 GLU C 59 SITE 2 AC4 16 ALA C 60 HIS C 63 PRO C 71 HOH C4322 SITE 3 AC4 16 HOH C4333 PHE D 61 HIS D 63 ALA D 64 SITE 4 AC4 16 PHE D 65 GLY D 67 HOH D5322 HOH D5326 SITE 1 AC5 12 PHE C 61 HIS C 63 ALA C 64 PHE C 65 SITE 2 AC5 12 GLY C 67 GLU D 39 ARG D 43 LEU D 56 SITE 3 AC5 12 GLU D 59 HIS D 63 LEU D 70 PRO D 71 CRYST1 117.180 117.180 90.090 90.00 90.00 120.00 P 32 2 1 24 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 0.008534 0.004927 0.000000 0.00000 SCALE2 0.000000 0.009854 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011100 0.00000