HEADER TRANSFERASE 22-OCT-01 1K7Y TITLE E. COLI METH C-TERMINAL FRAGMENT (649-1227) COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHIONINE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: C-TERMINAL ACTIVATION COMPLEX, RESIDUES 651-1227; COMPND 5 EC: 2.1.1.13; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: XL1-BLUE; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PTRC99A KEYWDS MOTION OF 4-HELIX BUNDLE, DOMAIN INTERACTIONS, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR V.BANDARIAN,K.A.PATTRIDGE,B.W.LENNON,D.P.HUDDLER,R.G.MATTHEWS, AUTHOR 2 M.L.LUDWIG REVDAT 7 16-AUG-23 1K7Y 1 REMARK REVDAT 6 27-OCT-21 1K7Y 1 REMARK SEQADV REVDAT 5 14-FEB-18 1K7Y 1 REMARK REVDAT 4 24-OCT-12 1K7Y 1 FORMUL VERSN REVDAT 3 24-FEB-09 1K7Y 1 VERSN REVDAT 2 01-APR-03 1K7Y 1 JRNL REVDAT 1 21-DEC-01 1K7Y 0 JRNL AUTH V.BANDARIAN,K.A.PATTRIDGE,B.W.LENNON,D.P.HUDDLER, JRNL AUTH 2 R.G.MATTHEWS,M.L.LUDWIG JRNL TITL DOMAIN ALTERNATION SWITCHES B(12)-DEPENDENT METHIONINE JRNL TITL 2 SYNTHASE TO THE ACTIVATION CONFORMATION. JRNL REF NAT.STRUCT.BIOL. V. 9 53 2002 JRNL REFN ISSN 1072-8368 JRNL PMID 11731805 JRNL DOI 10.1038/NSB738 REMARK 2 REMARK 2 RESOLUTION. 3.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 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) (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 18245 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) : 0.218 REMARK 3 FREE R VALUE : 0.276 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1794 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 4566 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 141 REMARK 3 SOLVENT ATOMS : 42 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.500 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 1K7Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-OCT-01. REMARK 100 THE DEPOSITION ID IS D_1000014673. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-JAN-00 REMARK 200 TEMPERATURE (KELVIN) : 140 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : YALE MIRRORS REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 18414 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08000 REMARK 200 FOR THE DATA SET : 16.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.11 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.39600 REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRIES 1MSK AND 1BMT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 64.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CACODYLATE, AMMONIUM SULFATE, PEG REMARK 280 8000, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 74.29650 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 54.86100 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 54.86100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 111.44475 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 54.86100 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 54.86100 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 37.14825 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 54.86100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 54.86100 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 111.44475 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 54.86100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 54.86100 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 37.14825 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 74.29650 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: 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 PRO A1143 C - N - CA ANGL. DEV. = 11.2 DEGREES 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 ALA A 652 -81.89 176.52 REMARK 500 GLU A 653 -75.30 82.74 REMARK 500 ARG A 655 28.06 -71.60 REMARK 500 SER A 656 14.40 -141.55 REMARK 500 GLU A 673 -2.88 -148.32 REMARK 500 LYS A 740 -115.26 -69.09 REMARK 500 GLN A 742 39.82 -96.57 REMARK 500 VAL A 754 170.35 -46.75 REMARK 500 ASP A 760 -21.33 -152.70 REMARK 500 ALA A 835 -72.13 -45.85 REMARK 500 ILE A 846 -64.40 -130.97 REMARK 500 GLN A 848 4.54 -59.94 REMARK 500 THR A 874 -67.28 -130.24 REMARK 500 PRO A 899 69.34 -58.53 REMARK 500 ASN A 912 43.63 -91.62 REMARK 500 PRO A 923 150.43 -47.00 REMARK 500 GLU A 967 -75.68 -66.20 REMARK 500 TYR A1041 142.06 -33.35 REMARK 500 VAL A1110 -79.82 -94.00 REMARK 500 ASN A1117 46.82 -84.66 REMARK 500 CYS A1142 78.69 -161.40 REMARK 500 GLU A1144 107.73 -54.67 REMARK 500 THR A1146 -9.30 -51.89 REMARK 500 HIS A1184 119.36 -35.92 REMARK 500 ALA A1193 -153.31 71.88 REMARK 500 ALA A1226 108.03 -49.59 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 SO4 A 254 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 255 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 267 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 323 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 251 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 259 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 260 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 309 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE B12 A 1248 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1MSK RELATED DB: PDB REMARK 900 ENTRY FOR THE ACTIVATION DOMAIN (900-1227) REMARK 900 RELATED ID: 1BMT RELATED DB: PDB REMARK 900 ENTRY FOR THE B12-BINDING FRAGMENT (651-896) DBREF 1K7Y A 651 1227 UNP P13009 METH_ECOLI 651 1227 SEQADV 1K7Y GLY A 759 UNP P13009 HIS 759 ENGINEERED MUTATION SEQRES 1 A 577 GLN ALA GLU TRP ARG SER TRP GLU VAL ASN LYS ARG LEU SEQRES 2 A 577 GLU TYR SER LEU VAL LYS GLY ILE THR GLU PHE ILE GLU SEQRES 3 A 577 GLN ASP THR GLU GLU ALA ARG GLN GLN ALA THR ARG PRO SEQRES 4 A 577 ILE GLU VAL ILE GLU GLY PRO LEU MET ASP GLY MET ASN SEQRES 5 A 577 VAL VAL GLY ASP LEU PHE GLY GLU GLY LYS MET PHE LEU SEQRES 6 A 577 PRO GLN VAL VAL LYS SER ALA ARG VAL MET LYS GLN ALA SEQRES 7 A 577 VAL ALA TYR LEU GLU PRO PHE ILE GLU ALA SER LYS GLU SEQRES 8 A 577 GLN GLY LYS THR ASN GLY LYS MET VAL ILE ALA THR VAL SEQRES 9 A 577 LYS GLY ASP VAL GLY ASP ILE GLY LYS ASN ILE VAL GLY SEQRES 10 A 577 VAL VAL LEU GLN CYS ASN ASN TYR GLU ILE VAL ASP LEU SEQRES 11 A 577 GLY VAL MET VAL PRO ALA GLU LYS ILE LEU ARG THR ALA SEQRES 12 A 577 LYS GLU VAL ASN ALA ASP LEU ILE GLY LEU SER GLY LEU SEQRES 13 A 577 ILE THR PRO SER LEU ASP GLU MET VAL ASN VAL ALA LYS SEQRES 14 A 577 GLU MET GLU ARG GLN GLY PHE THR ILE PRO LEU LEU ILE SEQRES 15 A 577 GLY GLY ALA THR THR SER LYS ALA HIS THR ALA VAL LYS SEQRES 16 A 577 ILE GLU GLN ASN TYR SER GLY PRO THR VAL TYR VAL GLN SEQRES 17 A 577 ASN ALA SER ARG THR VAL GLY VAL VAL ALA ALA LEU LEU SEQRES 18 A 577 SER ASP THR GLN ARG ASP ASP PHE VAL ALA ARG THR ARG SEQRES 19 A 577 LYS GLU TYR GLU THR VAL ARG ILE GLN HIS GLY ARG LYS SEQRES 20 A 577 LYS PRO ARG THR PRO PRO VAL THR LEU GLU ALA ALA ARG SEQRES 21 A 577 ASP ASN ASP PHE ALA PHE ASP TRP GLN ALA TYR THR PRO SEQRES 22 A 577 PRO VAL ALA HIS ARG LEU GLY VAL GLN GLU VAL GLU ALA SEQRES 23 A 577 SER ILE GLU THR LEU ARG ASN TYR ILE ASP TRP THR PRO SEQRES 24 A 577 PHE PHE MET THR TRP SER LEU ALA GLY LYS TYR PRO ARG SEQRES 25 A 577 ILE LEU GLU ASP GLU VAL VAL GLY VAL GLU ALA GLN ARG SEQRES 26 A 577 LEU PHE LYS ASP ALA ASN ASP MET LEU ASP LYS LEU SER SEQRES 27 A 577 ALA GLU LYS THR LEU ASN PRO ARG GLY VAL VAL GLY LEU SEQRES 28 A 577 PHE PRO ALA ASN ARG VAL GLY ASP ASP ILE GLU ILE TYR SEQRES 29 A 577 ARG ASP GLU THR ARG THR HIS VAL ILE ASN VAL SER HIS SEQRES 30 A 577 HIS LEU ARG GLN GLN THR GLU LYS THR GLY PHE ALA ASN SEQRES 31 A 577 TYR CYS LEU ALA ASP PHE VAL ALA PRO LYS LEU SER GLY SEQRES 32 A 577 LYS ALA ASP TYR ILE GLY ALA PHE ALA VAL THR GLY GLY SEQRES 33 A 577 LEU GLU GLU ASP ALA LEU ALA ASP ALA PHE GLU ALA GLN SEQRES 34 A 577 HIS ASP ASP TYR ASN LYS ILE MET VAL LYS ALA LEU ALA SEQRES 35 A 577 ASP ARG LEU ALA GLU ALA PHE ALA GLU TYR LEU HIS GLU SEQRES 36 A 577 ARG VAL ARG LYS VAL TYR TRP GLY TYR ALA PRO ASN GLU SEQRES 37 A 577 ASN LEU SER ASN GLU GLU LEU ILE ARG GLU ASN TYR GLN SEQRES 38 A 577 GLY ILE ARG PRO ALA PRO GLY TYR PRO ALA CYS PRO GLU SEQRES 39 A 577 HIS THR GLU LYS ALA THR ILE TRP GLU LEU LEU GLU VAL SEQRES 40 A 577 GLU LYS HIS THR GLY MET LYS LEU THR GLU SER PHE ALA SEQRES 41 A 577 MET TRP PRO GLY ALA SER VAL SER GLY TRP TYR PHE SER SEQRES 42 A 577 HIS PRO ASP SER LYS TYR TYR ALA VAL ALA GLN ILE GLN SEQRES 43 A 577 ARG ASP GLN VAL GLU ASP TYR ALA ARG ARG LYS GLY MET SEQRES 44 A 577 SER VAL THR GLU VAL GLU ARG TRP LEU ALA PRO ASN LEU SEQRES 45 A 577 GLY TYR ASP ALA ASP HET SO4 A 254 5 HET SO4 A 255 5 HET SO4 A 267 5 HET SO4 A 323 5 HET SO4 A 251 5 HET SO4 A 259 5 HET SO4 A 260 5 HET SO4 A 270 5 HET SO4 A 282 5 HET SO4 A 309 5 HET B12 A1248 91 HETNAM SO4 SULFATE ION HETNAM B12 COBALAMIN FORMUL 2 SO4 10(O4 S 2-) FORMUL 12 B12 C62 H89 CO N13 O14 P 2+ FORMUL 13 HOH *42(H2 O) HELIX 1 1 GLU A 653 TRP A 657 5 5 HELIX 2 2 GLU A 658 GLY A 670 1 13 HELIX 3 3 PHE A 674 GLN A 685 1 12 HELIX 4 4 ILE A 690 GLY A 695 1 6 HELIX 5 5 GLY A 695 GLU A 710 1 16 HELIX 6 6 PHE A 714 ALA A 738 1 25 HELIX 7 7 ASP A 760 CYS A 772 1 13 HELIX 8 8 PRO A 785 ASN A 797 1 13 HELIX 9 9 ILE A 807 GLN A 824 1 18 HELIX 10 10 ALA A 840 LYS A 845 1 6 HELIX 11 11 ILE A 846 TYR A 850 5 5 HELIX 12 12 ASN A 859 LEU A 871 1 13 HELIX 13 13 THR A 874 HIS A 894 1 21 HELIX 14 14 THR A 905 ASN A 912 1 8 HELIX 15 15 SER A 937 ARG A 942 1 6 HELIX 16 16 ASN A 943 ILE A 945 5 3 HELIX 17 17 ASP A 946 TRP A 954 1 9 HELIX 18 18 PRO A 961 ASP A 966 5 6 HELIX 19 19 VAL A 969 LYS A 991 1 23 HELIX 20 20 CYS A 1042 VAL A 1047 5 6 HELIX 21 21 PRO A 1049 GLY A 1053 5 5 HELIX 22 22 GLU A 1068 GLN A 1079 1 12 HELIX 23 23 ASP A 1081 VAL A 1110 1 30 HELIX 24 24 SER A 1121 ARG A 1127 1 7 HELIX 25 25 GLU A 1144 THR A 1146 5 3 HELIX 26 26 GLU A 1147 GLU A 1156 1 10 HELIX 27 27 GLU A 1156 THR A 1161 1 6 HELIX 28 28 GLN A 1196 GLY A 1208 1 13 HELIX 29 29 SER A 1210 LEU A 1218 1 9 HELIX 30 30 ALA A 1219 LEU A 1222 5 4 SHEET 1 A 5 GLU A 776 ASP A 779 0 SHEET 2 A 5 LYS A 748 THR A 753 1 N MET A 749 O GLU A 776 SHEET 3 A 5 LEU A 800 SER A 804 1 O GLY A 802 N VAL A 750 SHEET 4 A 5 LEU A 830 GLY A 833 1 O LEU A 831 N ILE A 801 SHEET 5 A 5 THR A 854 TYR A 856 1 O VAL A 855 N ILE A 832 SHEET 1 B 4 SER A1176 TYR A1181 0 SHEET 2 B 4 ASP A1056 THR A1064 -1 N VAL A1063 O VAL A1177 SHEET 3 B 4 ARG A 996 VAL A1007 -1 N PHE A1002 O ILE A1058 SHEET 4 B 4 GLY A 930 VAL A 934 -1 N GLN A 932 O VAL A 999 SHEET 1 C 5 SER A1176 TYR A1181 0 SHEET 2 C 5 ASP A1056 THR A1064 -1 N VAL A1063 O VAL A1177 SHEET 3 C 5 ARG A 996 VAL A1007 -1 N PHE A1002 O ILE A1058 SHEET 4 C 5 ASP A1010 TYR A1014 -1 O GLU A1012 N ASN A1005 SHEET 5 C 5 VAL A1022 HIS A1027 -1 O SER A1026 N ILE A1011 SHEET 1 D 2 LYS A1164 LEU A1165 0 SHEET 2 D 2 MET A1171 TRP A1172 -1 O TRP A1172 N LYS A1164 CISPEP 1 TYR A 960 PRO A 961 0 -0.68 CISPEP 2 TRP A 1172 PRO A 1173 0 -0.32 SITE 1 AC1 3 LYS A 712 HIS A 927 ARG A 928 SITE 1 AC2 6 SO4 A 282 LYS A 755 PRO A 785 ALA A 786 SITE 2 AC2 6 GLU A 787 ASN A 816 SITE 1 AC3 4 ARG A 928 GLN A 932 ARG A1106 TYR A1111 SITE 1 AC4 2 TYR A1139 B12 A1248 SITE 1 AC5 3 LYS A 720 ARG A 723 TYR A1083 SITE 1 AC6 2 LYS A 819 LYS A1188 SITE 1 AC7 3 ARG A 823 PRO A1140 B12 A1248 SITE 1 AC8 2 ARG A 996 HIS A1160 SITE 1 AC9 2 SO4 A 255 ARG A1127 SITE 1 BC1 1 VAL A 971 SITE 1 BC2 38 SO4 A 260 HOH A 271 HOH A 279 SO4 A 323 SITE 2 BC2 38 VAL A 758 GLY A 762 ILE A 765 VAL A 766 SITE 3 BC2 38 GLY A 802 LEU A 803 SER A 804 LEU A 806 SITE 4 BC2 38 ILE A 807 THR A 808 LEU A 831 GLY A 833 SITE 5 BC2 38 GLY A 834 ALA A 835 THR A 836 VAL A 857 SITE 6 BC2 38 GLN A 858 ASN A 859 ALA A 860 THR A 863 SITE 7 BC2 38 ASP A1093 ALA A1136 PRO A1137 GLY A1138 SITE 8 BC2 38 TYR A1139 PRO A1140 HIS A1145 ALA A1170 SITE 9 BC2 38 MET A1171 GLY A1174 ALA A1175 SER A1176 SITE 10 BC2 38 VAL A1177 SER A1178 CRYST1 109.722 109.722 148.593 90.00 90.00 90.00 P 43 21 2 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 0.009114 0.000000 0.000000 0.00000 SCALE2 0.000000 0.009114 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006730 0.00000