HEADER TRANSFERASE 09-JAN-07 2E7F TITLE 5-METHYLTETRAHYDROFOLATE CORRINOID/IRON SULFUR PROTEIN TITLE 2 METHYLTRANSFERASE COMPLEXED WITH METHYLTETRAHYDROFOLATE TO TITLE 3 2.2 ANGSROM RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5-METHYLTETRAHYDROFOLATE CORRINOID/IRON SULFUR COMPND 3 PROTEIN METHYLTRANSFERASE; COMPND 4 CHAIN: A, B; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MOORELLA THERMOACETICA; SOURCE 3 ORGANISM_TAXID: 1525; SOURCE 4 GENE: METR, ACSE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: B834(DE3)PLYSS(MET-); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3A KEYWDS METHYLTETRAHYDROFOLATE-PROTEIN COMPLEX, CORRIONOID, VITAMIN KEYWDS 2 B12, TIM BARREL, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR T.I.DOUKOV,C.L.DRENNAN,H.HEMMI,S.W.RAGSDALE REVDAT 4 24-FEB-09 2E7F 1 VERSN REVDAT 3 13-MAR-07 2E7F 1 JRNL REVDAT 2 06-MAR-07 2E7F 1 JRNL REVDAT 1 30-JAN-07 2E7F 0 JRNL AUTH T.I.DOUKOV,H.HEMMI,C.L.DRENNAN,S.W.RAGSDALE JRNL TITL STRUCTURAL AND KINETIC EVIDENCE FOR AN EXTENDED JRNL TITL 2 HYDROGEN-BONDING NETWORK IN CATALYSIS OF METHYL JRNL TITL 3 GROUP TRANSFER. ROLE OF AN ACTIVE SITE ASPARAGINE JRNL TITL 4 RESIDUE IN ACTIVATION OF METHYL TRANSFER BY JRNL TITL 5 METHYLTRANSFERASES. JRNL REF J.BIOL.CHEM. V. 282 6609 2007 JRNL REFN ISSN 0021-9258 JRNL PMID 17172470 JRNL DOI 10.1074/JBC.M609828200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.I.DOUKOV,J.SERAVALLI,J.J.STEZOWSKI,S.W.RAGSDALE REMARK 1 TITL CRYSTAL STRUCTURE OF A METHYLTETRAHYDROFOLATE- AND REMARK 1 TITL 2 CORRINOID-DEPENDENT METHYLTRANSFERASE REMARK 1 REF STRUCTURE V. 8 817 2000 REMARK 1 REFN ISSN 0969-2126 REMARK 1 PMID 10997901 REMARK 1 DOI 10.1016/S0969-2126(00)00172-6 REMARK 2 REMARK 2 RESOLUTION. 2.20 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.88 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 24177 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) : 0.172 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2586 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.26 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 85.77 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.1930 REMARK 3 BIN FREE R VALUE : 0.2450 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 165 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3994 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 68 REMARK 3 SOLVENT ATOMS : 435 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.02 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2E7F COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 11-JAN-07. REMARK 100 THE RCSB ID CODE IS RCSB026319. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-JUL-00 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 : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91938 REMARK 200 MONOCHROMATOR : SI(111) OR SI(220) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26806 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 30.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.20600 REMARK 200 FOR SHELL : 3.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1F6Y REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.24 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 8-15% PEGMME 5000, 0.05M CALCIUM REMARK 280 ACETATE, 20% GLYCEROL, 0.05M HEPES BUFFER; 3-FOLD MOLAR EXCESS REMARK 280 OF THE MTHF SUBSTRATE (SCHRICKS LABOLATORIES, JONA, REMARK 280 SWITZERLAND). THE SUPERSATURATION OF THE PRECIPITANT SOLUTION REMARK 280 REQUIRED DILUTION OF THE PROTEIN-CH3-H4FOLATE COMPLEX BY 50- REMARK 280 100-FOLD IN ORDER TO OBTAIN SINGLE CRYSTALS., PH 7.5, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 25.07950 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 67.80850 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.27350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 67.80850 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.07950 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.27350 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 300 REMARK: THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 2 CHAIN(S) 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: 4740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 KCAL/MOL 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 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 LEU A 162 88.34 61.54 REMARK 500 ALA A 169 40.21 -144.11 REMARK 500 SER A 254 41.49 -103.27 REMARK 500 ASN B 99 -168.64 -116.98 REMARK 500 LEU B 162 88.22 63.50 REMARK 500 ALA B 187 133.92 169.87 REMARK 500 SER B 254 32.62 -94.77 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 A3001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 222 O REMARK 620 2 ASP A 224 OD1 88.0 REMARK 620 3 ASP A 224 OD2 76.3 52.8 REMARK 620 4 HOH A3053 O 77.0 132.3 79.6 REMARK 620 5 HOH A3032 O 148.6 93.9 80.0 78.7 REMARK 620 6 HOH A3095 O 75.4 78.0 123.2 137.6 135.6 REMARK 620 7 HOH A3210 O 103.1 149.5 157.3 78.2 91.0 77.5 REMARK 620 8 HOH A3059 O 146.1 78.6 116.8 134.1 64.1 71.5 76.6 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B4001 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B4083 O REMARK 620 2 GLY B 222 O 151.1 REMARK 620 3 HOH B4184 O 98.6 94.3 REMARK 620 4 HOH B4220 O 92.8 73.0 56.6 REMARK 620 5 HOH B4221 O 54.4 141.6 111.5 145.1 REMARK 620 6 ASP B 224 OD2 94.7 77.4 164.5 130.7 70.4 REMARK 620 7 LYS B 184 NZ 123.5 78.8 100.8 141.4 69.0 65.0 REMARK 620 8 ASP B 224 OD1 66.4 88.2 144.4 90.7 86.6 49.5 114.4 REMARK 620 N 1 2 3 4 5 6 7 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 3001 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 4001 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C2F A 3000 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE C2F B 4000 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1F6Y RELATED DB: PDB REMARK 900 APO STRUCTURE OF THE WILD TYPE CORRINOID-DEPENDENT REMARK 900 METHYLTETRAHYDROFOLATE METHYLTRANSFERASE REMARK 900 RELATED ID: 1Q8J RELATED DB: PDB REMARK 900 METHIONINE SYNTHASE COMPLEX WITH METHYLTETRAHYDROFOLATE REMARK 900 RELATED ID: 1AJ0 RELATED DB: PDB REMARK 900 DIHYDROPTEROATE SYNTHASE (DHPS), E.COLI, COMPLEXED WITH 7, REMARK 900 8-DIHYDROPTERIN-PYROPHOSPHASE (DHPPP) REMARK 900 RELATED ID: 1AD4 RELATED DB: PDB REMARK 900 DIHYDROPTEROATE SYNTHASE (DHPS), S. AUREUS, COMPLEXED WITH REMARK 900 7,8-DIHYDRO-6-HYDROXYMETHYL-PTERIN-PYROPHOSPHASE (DHPTPP) REMARK 900 RELATED ID: 1TX0 RELATED DB: PDB REMARK 900 DIHYDROPTEROATE SYNTHASE (DHPS), B. ANTHRACIS, COMPLEXED REMARK 900 WITH PTEROIC ACID REMARK 900 RELATED ID: 1TWW RELATED DB: PDB REMARK 900 DIHYDROPTEROATE SYNTHASE (DHPS), B. ANTHRACIS, COMPLEXED REMARK 900 WITH 6-HYDROXYMETHYL-PTERIN-PYROPHOSPHASE (DHPTPP) DBREF 2E7F A 1 262 UNP Q46389 Q46389_MOOTH 1 262 DBREF 2E7F B 1 262 UNP Q46389 Q46389_MOOTH 1 262 SEQRES 1 A 262 MET LEU ILE ILE GLY GLU ARG ILE ASN GLY MET PHE GLY SEQRES 2 A 262 ASP ILE LYS ARG ALA ILE GLN GLU ARG ASP PRO ALA PRO SEQRES 3 A 262 VAL GLN GLU TRP ALA ARG ARG GLN GLU GLU GLY GLY ALA SEQRES 4 A 262 ARG ALA LEU ASP LEU ASN VAL GLY PRO ALA VAL GLN ASP SEQRES 5 A 262 LYS VAL SER ALA MET GLU TRP LEU VAL GLU VAL THR GLN SEQRES 6 A 262 GLU VAL SER ASN LEU THR LEU CYS LEU ASP SER THR ASN SEQRES 7 A 262 ILE LYS ALA ILE GLU ALA GLY LEU LYS LYS CYS LYS ASN SEQRES 8 A 262 ARG ALA MET ILE ASN SER THR ASN ALA GLU ARG GLU LYS SEQRES 9 A 262 VAL GLU LYS LEU PHE PRO LEU ALA VAL GLU HIS GLY ALA SEQRES 10 A 262 ALA LEU ILE GLY LEU THR MET ASN LYS THR GLY ILE PRO SEQRES 11 A 262 LYS ASP SER ASP THR ARG LEU ALA PHE ALA MET GLU LEU SEQRES 12 A 262 VAL ALA ALA ALA ASP GLU PHE GLY LEU PRO MET GLU ASP SEQRES 13 A 262 LEU TYR ILE ASP PRO LEU ILE LEU PRO ALA ASN VAL ALA SEQRES 14 A 262 GLN ASP HIS ALA PRO GLU VAL LEU LYS THR LEU GLN GLN SEQRES 15 A 262 ILE LYS MET LEU ALA ASP PRO ALA PRO LYS THR VAL LEU SEQRES 16 A 262 GLY LEU SER ASN VAL SER GLN ASN CYS GLN ASN ARG PRO SEQRES 17 A 262 LEU ILE ASN ARG THR PHE LEU ALA MET ALA MET ALA CYS SEQRES 18 A 262 GLY LEU ASP ALA ALA ILE ALA ASP ALA CYS ASP GLU ALA SEQRES 19 A 262 LEU ILE GLU THR ALA ALA THR ALA GLU ILE LEU LEU ASN SEQRES 20 A 262 GLN THR VAL TYR CYS ASP SER PHE VAL LYS MET PHE LYS SEQRES 21 A 262 THR ARG SEQRES 1 B 262 MET LEU ILE ILE GLY GLU ARG ILE ASN GLY MET PHE GLY SEQRES 2 B 262 ASP ILE LYS ARG ALA ILE GLN GLU ARG ASP PRO ALA PRO SEQRES 3 B 262 VAL GLN GLU TRP ALA ARG ARG GLN GLU GLU GLY GLY ALA SEQRES 4 B 262 ARG ALA LEU ASP LEU ASN VAL GLY PRO ALA VAL GLN ASP SEQRES 5 B 262 LYS VAL SER ALA MET GLU TRP LEU VAL GLU VAL THR GLN SEQRES 6 B 262 GLU VAL SER ASN LEU THR LEU CYS LEU ASP SER THR ASN SEQRES 7 B 262 ILE LYS ALA ILE GLU ALA GLY LEU LYS LYS CYS LYS ASN SEQRES 8 B 262 ARG ALA MET ILE ASN SER THR ASN ALA GLU ARG GLU LYS SEQRES 9 B 262 VAL GLU LYS LEU PHE PRO LEU ALA VAL GLU HIS GLY ALA SEQRES 10 B 262 ALA LEU ILE GLY LEU THR MET ASN LYS THR GLY ILE PRO SEQRES 11 B 262 LYS ASP SER ASP THR ARG LEU ALA PHE ALA MET GLU LEU SEQRES 12 B 262 VAL ALA ALA ALA ASP GLU PHE GLY LEU PRO MET GLU ASP SEQRES 13 B 262 LEU TYR ILE ASP PRO LEU ILE LEU PRO ALA ASN VAL ALA SEQRES 14 B 262 GLN ASP HIS ALA PRO GLU VAL LEU LYS THR LEU GLN GLN SEQRES 15 B 262 ILE LYS MET LEU ALA ASP PRO ALA PRO LYS THR VAL LEU SEQRES 16 B 262 GLY LEU SER ASN VAL SER GLN ASN CYS GLN ASN ARG PRO SEQRES 17 B 262 LEU ILE ASN ARG THR PHE LEU ALA MET ALA MET ALA CYS SEQRES 18 B 262 GLY LEU ASP ALA ALA ILE ALA ASP ALA CYS ASP GLU ALA SEQRES 19 B 262 LEU ILE GLU THR ALA ALA THR ALA GLU ILE LEU LEU ASN SEQRES 20 B 262 GLN THR VAL TYR CYS ASP SER PHE VAL LYS MET PHE LYS SEQRES 21 B 262 THR ARG HET CA A3001 1 HET CA B4001 1 HET C2F A3000 33 HET C2F B4000 33 HETNAM CA CALCIUM ION HETNAM C2F 5-METHYL-5,6,7,8-TETRAHYDROFOLIC ACID FORMUL 3 CA 2(CA 2+) FORMUL 5 C2F 2(C20 H25 N7 O6) FORMUL 7 HOH *435(H2 O) HELIX 1 1 PHE A 12 ARG A 22 1 11 HELIX 2 2 ASP A 23 GLY A 38 1 16 HELIX 3 3 ASP A 52 GLU A 66 1 15 HELIX 4 4 ASN A 78 CYS A 89 1 12 HELIX 5 5 GLU A 101 GLY A 116 1 16 HELIX 6 6 ASP A 132 GLY A 151 1 20 HELIX 7 7 PRO A 153 GLU A 155 5 3 HELIX 8 8 ASP A 171 MET A 185 1 15 HELIX 9 9 SER A 198 GLN A 202 5 5 HELIX 10 10 ASN A 206 CYS A 221 1 16 HELIX 11 11 ASP A 232 LEU A 246 1 15 HELIX 12 12 SER A 254 ARG A 262 1 9 HELIX 13 13 PHE B 12 ARG B 22 1 11 HELIX 14 14 ASP B 23 GLY B 38 1 16 HELIX 15 15 ASP B 52 GLU B 66 1 15 HELIX 16 16 ASN B 78 CYS B 89 1 12 HELIX 17 17 GLU B 101 GLY B 116 1 16 HELIX 18 18 ASP B 132 GLY B 151 1 20 HELIX 19 19 PRO B 153 GLU B 155 5 3 HELIX 20 20 ASP B 171 LYS B 184 1 14 HELIX 21 21 SER B 198 GLN B 202 5 5 HELIX 22 22 ASN B 206 CYS B 221 1 16 HELIX 23 23 ASP B 232 LEU B 246 1 15 HELIX 24 24 SER B 254 THR B 261 1 8 SHEET 1 A 9 LEU A 2 GLY A 5 0 SHEET 2 A 9 ALA A 41 LEU A 44 1 O ASP A 43 N GLY A 5 SHEET 3 A 9 THR A 71 ASP A 75 1 O CYS A 73 N LEU A 42 SHEET 4 A 9 ALA A 93 THR A 98 1 O MET A 94 N LEU A 72 SHEET 5 A 9 ALA A 118 LEU A 122 1 O LEU A 122 N THR A 98 SHEET 6 A 9 LEU A 157 ASP A 160 1 O ASP A 160 N GLY A 121 SHEET 7 A 9 LYS A 192 GLY A 196 1 O LYS A 192 N ILE A 159 SHEET 8 A 9 ALA A 225 ALA A 228 1 O ILE A 227 N LEU A 195 SHEET 9 A 9 LEU A 2 GLY A 5 1 N ILE A 4 O ALA A 226 SHEET 1 B 9 LEU B 2 GLY B 5 0 SHEET 2 B 9 ALA B 41 LEU B 44 1 O ASP B 43 N GLY B 5 SHEET 3 B 9 THR B 71 ASP B 75 1 O CYS B 73 N LEU B 42 SHEET 4 B 9 ALA B 93 THR B 98 1 O ASN B 96 N LEU B 74 SHEET 5 B 9 ALA B 118 LEU B 122 1 O ILE B 120 N ILE B 95 SHEET 6 B 9 LEU B 157 ASP B 160 1 O ASP B 160 N GLY B 121 SHEET 7 B 9 LYS B 192 GLY B 196 1 O LYS B 192 N ILE B 159 SHEET 8 B 9 ALA B 225 ALA B 228 1 O ILE B 227 N LEU B 195 SHEET 9 B 9 LEU B 2 GLY B 5 1 N ILE B 4 O ALA B 226 LINK CA CA A3001 O GLY A 222 1555 1555 2.48 LINK CA CA A3001 OD1 ASP A 224 1555 1555 2.34 LINK CA CA A3001 OD2 ASP A 224 1555 1555 2.59 LINK CA CA A3001 O HOH A3053 1555 1555 2.52 LINK CA CA A3001 O HOH A3032 1555 1555 2.61 LINK CA CA A3001 O HOH A3095 1555 1555 2.62 LINK CA CA A3001 O HOH A3210 1555 1555 2.52 LINK CA CA A3001 O HOH A3059 1555 1555 2.57 LINK CA CA B4001 O HOH B4083 1555 1555 2.90 LINK CA CA B4001 O GLY B 222 1555 1555 2.55 LINK CA CA B4001 O HOH B4184 1555 1555 3.16 LINK CA CA B4001 O HOH B4220 1555 1555 2.79 LINK CA CA B4001 O HOH B4221 1555 1555 2.89 LINK CA CA B4001 OD2 ASP B 224 1555 1555 2.79 LINK CA CA B4001 NZ LYS B 184 1555 1555 2.96 LINK CA CA B4001 OD1 ASP B 224 1555 1555 2.41 CISPEP 1 ASN A 96 SER A 97 0 1.81 CISPEP 2 ASP A 188 PRO A 189 0 -0.70 CISPEP 3 ASN B 96 SER B 97 0 1.68 CISPEP 4 ASP B 188 PRO B 189 0 -0.42 SITE 1 AC1 7 GLY A 222 ASP A 224 HOH A3032 HOH A3053 SITE 2 AC1 7 HOH A3059 HOH A3095 HOH A3210 SITE 1 AC2 6 LYS B 184 GLY B 222 ASP B 224 HOH B4083 SITE 2 AC2 6 HOH B4220 HOH B4221 SITE 1 AC3 18 GLU A 6 MET A 11 PHE A 12 ASP A 75 SITE 2 AC3 18 ASN A 96 ILE A 120 ASP A 160 GLY A 196 SITE 3 AC3 18 SER A 198 ASN A 199 GLN A 202 ARG A 207 SITE 4 AC3 18 ILE A 227 HOH A3002 HOH A3003 HOH A3054 SITE 5 AC3 18 HOH A3148 HOH A3176 SITE 1 AC4 16 MET B 11 ASP B 75 ASN B 96 ILE B 120 SITE 2 AC4 16 ASP B 160 GLY B 196 SER B 198 ASN B 199 SITE 3 AC4 16 GLN B 202 ARG B 207 HOH B4002 HOH B4003 SITE 4 AC4 16 HOH B4036 HOH B4066 HOH B4120 HOH B4213 CRYST1 50.159 78.547 135.617 90.00 90.00 90.00 P 21 21 21 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 0.019937 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012731 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007374 0.00000