HEADER TRANSCRIPTION 23-DEC-22 8C34 TITLE AEROBIC LIGHT EXPOSED 1.8 ANGSTROM CRYSTAL STRUCTURE OF COBALAMIN TITLE 2 BINDING DOMAIN BELONGING TO A LIGHT-DEPENDENT TRANSCRIPTION REGULATOR TITLE 3 TTCARH COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROBABLE TRANSCRIPTIONAL REGULATOR; COMPND 3 CHAIN: A, B, C, D; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS HB27; SOURCE 3 ORGANISM_TAXID: 262724; SOURCE 4 GENE: TT_P0056; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CARH, COBALAMIN, LIGHT-ACTIVATED, TRANSCRIPTION REGULATOR, KEYWDS 2 TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR H.PODDAR,D.LEYS REVDAT 2 30-AUG-23 8C34 1 JRNL REVDAT 1 16-AUG-23 8C34 0 JRNL AUTH H.PODDAR,R.RIOS-SANTACRUZ,D.J.HEYES,M.SHANMUGAM, JRNL AUTH 2 A.BROOKFIELD,L.O.JOHANNISSEN,C.W.LEVY,L.N.JEFFREYS,S.ZHANG, JRNL AUTH 3 M.SAKUMA,J.P.COLLETIER,S.HAY,G.SCHIRO,M.WEIK,N.S.SCRUTTON, JRNL AUTH 4 D.LEYS JRNL TITL REDOX DRIVEN B 12 -LIGAND SWITCH DRIVES CARH PHOTORESPONSE. JRNL REF NAT COMMUN V. 14 5082 2023 JRNL REFN ESSN 2041-1723 JRNL PMID 37604813 JRNL DOI 10.1038/S41467-023-40817-6 REMARK 2 REMARK 2 RESOLUTION. 1.82 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REFMAC 5.8.0352 REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.82 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 52.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 3 NUMBER OF REFLECTIONS : 81010 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 4035 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 6025 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 381 REMARK 3 SOLVENT ATOMS : 659 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8C34 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-JAN-23. REMARK 100 THE DEPOSITION ID IS D_1292127677. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-OCT-22 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 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 : I03 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.976 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2.MULTIPLEX REMARK 200 DATA SCALING SOFTWARE : XIA2.MULTIPLEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 81098 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.820 REMARK 200 RESOLUTION RANGE LOW (A) : 52.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 25.70 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.82 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 8C31 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CONDITION B3 FROM MORPHEUS SCREEN REMARK 280 (MOLECULAR DIMENSIONS) (0.09 M HALOGENS, 0.1 M BUFFER SYSTEM 1 REMARK 280 PH 6.5, 30% V/V PRECIPITANT MIX 3) CRYO-PROTECTED CRYSTALS REMARK 280 EXPOSED TO BRIGHT 530 NM LED (THORLABS) FOR 1-5 SECS UNDER REMARK 280 AEROBIC CONDITIONS, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 293K 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 30.43500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 100.78000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 36.34500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 100.78000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 30.43500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 36.34500 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 TRP A 275 REMARK 465 LEU A 276 REMARK 465 PRO A 277 REMARK 465 ARG A 278 REMARK 465 GLY A 279 REMARK 465 PRO A 280 REMARK 465 GLU A 281 REMARK 465 LYS A 282 REMARK 465 GLU A 283 REMARK 465 ALA A 284 REMARK 465 ILE A 285 REMARK 465 GLY A 286 REMARK 465 HIS A 287 REMARK 465 HIS A 288 REMARK 465 HIS A 289 REMARK 465 HIS A 290 REMARK 465 HIS A 291 REMARK 465 HIS A 292 REMARK 465 GLY B 279 REMARK 465 PRO B 280 REMARK 465 GLU B 281 REMARK 465 LYS B 282 REMARK 465 GLU B 283 REMARK 465 ALA B 284 REMARK 465 ILE B 285 REMARK 465 GLY B 286 REMARK 465 HIS B 287 REMARK 465 HIS B 288 REMARK 465 HIS B 289 REMARK 465 HIS B 290 REMARK 465 HIS B 291 REMARK 465 HIS B 292 REMARK 465 TRP C 275 REMARK 465 LEU C 276 REMARK 465 PRO C 277 REMARK 465 ARG C 278 REMARK 465 GLY C 279 REMARK 465 PRO C 280 REMARK 465 GLU C 281 REMARK 465 LYS C 282 REMARK 465 GLU C 283 REMARK 465 ALA C 284 REMARK 465 ILE C 285 REMARK 465 GLY C 286 REMARK 465 HIS C 287 REMARK 465 HIS C 288 REMARK 465 HIS C 289 REMARK 465 HIS C 290 REMARK 465 HIS C 291 REMARK 465 HIS C 292 REMARK 465 VAL D 78 REMARK 465 GLY D 279 REMARK 465 PRO D 280 REMARK 465 GLU D 281 REMARK 465 LYS D 282 REMARK 465 GLU D 283 REMARK 465 ALA D 284 REMARK 465 ILE D 285 REMARK 465 GLY D 286 REMARK 465 HIS D 287 REMARK 465 HIS D 288 REMARK 465 HIS D 289 REMARK 465 HIS D 290 REMARK 465 HIS D 291 REMARK 465 HIS D 292 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 119 -57.79 -128.03 REMARK 500 ASP A 201 63.05 67.65 REMARK 500 LEU B 119 -56.05 -127.57 REMARK 500 ASP B 201 62.87 68.50 REMARK 500 LEU C 119 -58.32 -129.50 REMARK 500 ASP C 201 62.10 68.59 REMARK 500 LEU D 119 -56.57 -128.71 REMARK 500 ASP D 201 64.09 66.76 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 93 0.12 SIDE CHAIN REMARK 500 ARG B 105 0.16 SIDE CHAIN REMARK 500 ARG B 212 0.09 SIDE CHAIN REMARK 500 ARG C 79 0.19 SIDE CHAIN REMARK 500 ARG C 93 0.08 SIDE CHAIN REMARK 500 ARG C 105 0.28 SIDE CHAIN REMARK 500 ARG C 176 0.10 SIDE CHAIN REMARK 500 ARG C 189 0.15 SIDE CHAIN REMARK 500 ARG D 79 0.29 SIDE CHAIN REMARK 500 ARG D 93 0.13 SIDE CHAIN REMARK 500 ARG D 212 0.09 SIDE CHAIN REMARK 500 ARG D 213 0.10 SIDE CHAIN REMARK 500 ARG D 257 0.17 SIDE CHAIN 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 B12 D 301 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS D 132 NE2 REMARK 620 2 B12 D 301 N21 90.3 REMARK 620 3 B12 D 301 N22 100.8 89.7 REMARK 620 4 B12 D 301 N23 99.2 169.8 91.9 REMARK 620 5 B12 D 301 N24 76.2 83.5 172.5 95.3 REMARK 620 N 1 2 3 4 DBREF 8C34 A 78 285 UNP Q746J7 Q746J7_THET2 78 285 DBREF 8C34 B 78 285 UNP Q746J7 Q746J7_THET2 78 285 DBREF 8C34 C 78 285 UNP Q746J7 Q746J7_THET2 78 285 DBREF 8C34 D 78 285 UNP Q746J7 Q746J7_THET2 78 285 SEQADV 8C34 GLY A 286 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 287 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 288 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 289 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 290 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 291 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS A 292 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 GLY B 286 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 287 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 288 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 289 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 290 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 291 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS B 292 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 GLY C 286 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 287 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 288 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 289 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 290 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 291 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS C 292 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 GLY D 286 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 287 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 288 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 289 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 290 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 291 UNP Q746J7 EXPRESSION TAG SEQADV 8C34 HIS D 292 UNP Q746J7 EXPRESSION TAG SEQRES 1 A 215 VAL ARG PRO GLU ASP LEU GLY THR GLY LEU LEU GLU ALA SEQRES 2 A 215 LEU LEU ARG GLY ASP LEU ALA GLY ALA GLU ALA LEU PHE SEQRES 3 A 215 ARG ARG GLY LEU ARG PHE TRP GLY PRO GLU GLY VAL LEU SEQRES 4 A 215 GLU HIS LEU LEU LEU PRO VAL LEU ARG GLU VAL GLY GLU SEQRES 5 A 215 ALA TRP HIS ARG GLY GLU ILE GLY VAL ALA GLU GLU HIS SEQRES 6 A 215 LEU ALA SER THR PHE LEU ARG ALA ARG LEU GLN GLU LEU SEQRES 7 A 215 LEU ASP LEU ALA GLY PHE PRO PRO GLY PRO PRO VAL LEU SEQRES 8 A 215 VAL THR THR PRO PRO GLY GLU ARG HIS GLU ILE GLY ALA SEQRES 9 A 215 MET LEU ALA ALA TYR HIS LEU ARG ARG LYS GLY VAL PRO SEQRES 10 A 215 ALA LEU TYR LEU GLY PRO ASP THR PRO LEU PRO ASP LEU SEQRES 11 A 215 ARG ALA LEU ALA ARG ARG LEU GLY ALA GLY ALA VAL VAL SEQRES 12 A 215 LEU SER ALA VAL LEU SER GLU PRO LEU ARG ALA LEU PRO SEQRES 13 A 215 ASP GLY ALA LEU LYS ASP LEU ALA PRO ARG VAL PHE LEU SEQRES 14 A 215 GLY GLY GLN GLY ALA GLY PRO GLU GLU ALA ARG ARG LEU SEQRES 15 A 215 GLY ALA GLU TYR MET GLU ASP LEU LYS GLY LEU ALA GLU SEQRES 16 A 215 ALA LEU TRP LEU PRO ARG GLY PRO GLU LYS GLU ALA ILE SEQRES 17 A 215 GLY HIS HIS HIS HIS HIS HIS SEQRES 1 B 215 VAL ARG PRO GLU ASP LEU GLY THR GLY LEU LEU GLU ALA SEQRES 2 B 215 LEU LEU ARG GLY ASP LEU ALA GLY ALA GLU ALA LEU PHE SEQRES 3 B 215 ARG ARG GLY LEU ARG PHE TRP GLY PRO GLU GLY VAL LEU SEQRES 4 B 215 GLU HIS LEU LEU LEU PRO VAL LEU ARG GLU VAL GLY GLU SEQRES 5 B 215 ALA TRP HIS ARG GLY GLU ILE GLY VAL ALA GLU GLU HIS SEQRES 6 B 215 LEU ALA SER THR PHE LEU ARG ALA ARG LEU GLN GLU LEU SEQRES 7 B 215 LEU ASP LEU ALA GLY PHE PRO PRO GLY PRO PRO VAL LEU SEQRES 8 B 215 VAL THR THR PRO PRO GLY GLU ARG HIS GLU ILE GLY ALA SEQRES 9 B 215 MET LEU ALA ALA TYR HIS LEU ARG ARG LYS GLY VAL PRO SEQRES 10 B 215 ALA LEU TYR LEU GLY PRO ASP THR PRO LEU PRO ASP LEU SEQRES 11 B 215 ARG ALA LEU ALA ARG ARG LEU GLY ALA GLY ALA VAL VAL SEQRES 12 B 215 LEU SER ALA VAL LEU SER GLU PRO LEU ARG ALA LEU PRO SEQRES 13 B 215 ASP GLY ALA LEU LYS ASP LEU ALA PRO ARG VAL PHE LEU SEQRES 14 B 215 GLY GLY GLN GLY ALA GLY PRO GLU GLU ALA ARG ARG LEU SEQRES 15 B 215 GLY ALA GLU TYR MET GLU ASP LEU LYS GLY LEU ALA GLU SEQRES 16 B 215 ALA LEU TRP LEU PRO ARG GLY PRO GLU LYS GLU ALA ILE SEQRES 17 B 215 GLY HIS HIS HIS HIS HIS HIS SEQRES 1 C 215 VAL ARG PRO GLU ASP LEU GLY THR GLY LEU LEU GLU ALA SEQRES 2 C 215 LEU LEU ARG GLY ASP LEU ALA GLY ALA GLU ALA LEU PHE SEQRES 3 C 215 ARG ARG GLY LEU ARG PHE TRP GLY PRO GLU GLY VAL LEU SEQRES 4 C 215 GLU HIS LEU LEU LEU PRO VAL LEU ARG GLU VAL GLY GLU SEQRES 5 C 215 ALA TRP HIS ARG GLY GLU ILE GLY VAL ALA GLU GLU HIS SEQRES 6 C 215 LEU ALA SER THR PHE LEU ARG ALA ARG LEU GLN GLU LEU SEQRES 7 C 215 LEU ASP LEU ALA GLY PHE PRO PRO GLY PRO PRO VAL LEU SEQRES 8 C 215 VAL THR THR PRO PRO GLY GLU ARG HIS GLU ILE GLY ALA SEQRES 9 C 215 MET LEU ALA ALA TYR HIS LEU ARG ARG LYS GLY VAL PRO SEQRES 10 C 215 ALA LEU TYR LEU GLY PRO ASP THR PRO LEU PRO ASP LEU SEQRES 11 C 215 ARG ALA LEU ALA ARG ARG LEU GLY ALA GLY ALA VAL VAL SEQRES 12 C 215 LEU SER ALA VAL LEU SER GLU PRO LEU ARG ALA LEU PRO SEQRES 13 C 215 ASP GLY ALA LEU LYS ASP LEU ALA PRO ARG VAL PHE LEU SEQRES 14 C 215 GLY GLY GLN GLY ALA GLY PRO GLU GLU ALA ARG ARG LEU SEQRES 15 C 215 GLY ALA GLU TYR MET GLU ASP LEU LYS GLY LEU ALA GLU SEQRES 16 C 215 ALA LEU TRP LEU PRO ARG GLY PRO GLU LYS GLU ALA ILE SEQRES 17 C 215 GLY HIS HIS HIS HIS HIS HIS SEQRES 1 D 215 VAL ARG PRO GLU ASP LEU GLY THR GLY LEU LEU GLU ALA SEQRES 2 D 215 LEU LEU ARG GLY ASP LEU ALA GLY ALA GLU ALA LEU PHE SEQRES 3 D 215 ARG ARG GLY LEU ARG PHE TRP GLY PRO GLU GLY VAL LEU SEQRES 4 D 215 GLU HIS LEU LEU LEU PRO VAL LEU ARG GLU VAL GLY GLU SEQRES 5 D 215 ALA TRP HIS ARG GLY GLU ILE GLY VAL ALA GLU GLU HIS SEQRES 6 D 215 LEU ALA SER THR PHE LEU ARG ALA ARG LEU GLN GLU LEU SEQRES 7 D 215 LEU ASP LEU ALA GLY PHE PRO PRO GLY PRO PRO VAL LEU SEQRES 8 D 215 VAL THR THR PRO PRO GLY GLU ARG HIS GLU ILE GLY ALA SEQRES 9 D 215 MET LEU ALA ALA TYR HIS LEU ARG ARG LYS GLY VAL PRO SEQRES 10 D 215 ALA LEU TYR LEU GLY PRO ASP THR PRO LEU PRO ASP LEU SEQRES 11 D 215 ARG ALA LEU ALA ARG ARG LEU GLY ALA GLY ALA VAL VAL SEQRES 12 D 215 LEU SER ALA VAL LEU SER GLU PRO LEU ARG ALA LEU PRO SEQRES 13 D 215 ASP GLY ALA LEU LYS ASP LEU ALA PRO ARG VAL PHE LEU SEQRES 14 D 215 GLY GLY GLN GLY ALA GLY PRO GLU GLU ALA ARG ARG LEU SEQRES 15 D 215 GLY ALA GLU TYR MET GLU ASP LEU LYS GLY LEU ALA GLU SEQRES 16 D 215 ALA LEU TRP LEU PRO ARG GLY PRO GLU LYS GLU ALA ILE SEQRES 17 D 215 GLY HIS HIS HIS HIS HIS HIS HET B12 A 301 91 HET PEG A 302 7 HET B12 B 301 91 HET PGE B 302 10 HET B12 C 301 91 HET B12 D 301 91 HETNAM B12 COBALAMIN HETNAM PEG DI(HYDROXYETHYL)ETHER HETNAM PGE TRIETHYLENE GLYCOL FORMUL 5 B12 4(C62 H89 CO N13 O14 P 2+) FORMUL 6 PEG C4 H10 O3 FORMUL 8 PGE C6 H14 O4 FORMUL 11 HOH *659(H2 O) HELIX 1 AA1 ARG A 79 GLU A 81 5 3 HELIX 2 AA2 ASP A 82 ARG A 93 1 12 HELIX 3 AA3 ASP A 95 LEU A 119 1 25 HELIX 4 AA4 LEU A 119 ARG A 133 1 15 HELIX 5 AA5 GLY A 137 ALA A 159 1 23 HELIX 6 AA6 GLU A 178 LYS A 191 1 14 HELIX 7 AA7 PRO A 203 GLY A 215 1 13 HELIX 8 AA8 SER A 226 ALA A 231 1 6 HELIX 9 AA9 GLY A 252 GLY A 260 1 9 HELIX 10 AB1 ASP A 266 LYS A 268 5 3 HELIX 11 AB2 GLY A 269 LEU A 274 1 6 HELIX 12 AB3 ARG B 79 ASP B 82 5 4 HELIX 13 AB4 LEU B 83 ARG B 93 1 11 HELIX 14 AB5 ASP B 95 LEU B 119 1 25 HELIX 15 AB6 LEU B 119 ARG B 133 1 15 HELIX 16 AB7 GLY B 137 GLY B 160 1 24 HELIX 17 AB8 GLU B 178 LYS B 191 1 14 HELIX 18 AB9 PRO B 203 GLY B 215 1 13 HELIX 19 AC1 SER B 226 ALA B 231 1 6 HELIX 20 AC2 GLY B 252 GLY B 260 1 9 HELIX 21 AC3 ASP B 266 LYS B 268 5 3 HELIX 22 AC4 GLY B 269 LEU B 274 1 6 HELIX 23 AC5 ARG C 79 GLU C 81 5 3 HELIX 24 AC6 ASP C 82 ARG C 93 1 12 HELIX 25 AC7 ASP C 95 LEU C 119 1 25 HELIX 26 AC8 LEU C 119 ARG C 133 1 15 HELIX 27 AC9 GLY C 137 GLY C 160 1 24 HELIX 28 AD1 GLU C 178 LYS C 191 1 14 HELIX 29 AD2 PRO C 203 GLY C 215 1 13 HELIX 30 AD3 SER C 226 ALA C 231 1 6 HELIX 31 AD4 GLY C 252 GLY C 260 1 9 HELIX 32 AD5 ASP C 266 LYS C 268 5 3 HELIX 33 AD6 GLY C 269 LEU C 274 1 6 HELIX 34 AD7 ARG D 79 GLU D 81 5 3 HELIX 35 AD8 ASP D 82 ARG D 93 1 12 HELIX 36 AD9 ASP D 95 LEU D 119 1 25 HELIX 37 AE1 LEU D 119 ARG D 133 1 15 HELIX 38 AE2 GLY D 137 GLY D 160 1 24 HELIX 39 AE3 GLU D 178 ARG D 190 1 13 HELIX 40 AE4 PRO D 203 GLY D 215 1 13 HELIX 41 AE5 SER D 226 ALA D 231 1 6 HELIX 42 AE6 GLY D 252 GLY D 260 1 9 HELIX 43 AE7 ASP D 266 LYS D 268 5 3 HELIX 44 AE8 GLY D 269 LEU D 276 1 8 SHEET 1 AA1 5 ALA A 195 TYR A 197 0 SHEET 2 AA1 5 VAL A 167 THR A 170 1 N VAL A 167 O LEU A 196 SHEET 3 AA1 5 ALA A 218 SER A 222 1 O VAL A 220 N LEU A 168 SHEET 4 AA1 5 ARG A 243 GLY A 247 1 O PHE A 245 N LEU A 221 SHEET 5 AA1 5 GLU A 262 TYR A 263 1 O GLU A 262 N VAL A 244 SHEET 1 AA2 5 ALA B 195 TYR B 197 0 SHEET 2 AA2 5 VAL B 167 THR B 170 1 N VAL B 167 O LEU B 196 SHEET 3 AA2 5 ALA B 218 SER B 222 1 O VAL B 220 N LEU B 168 SHEET 4 AA2 5 ARG B 243 GLY B 247 1 O PHE B 245 N LEU B 221 SHEET 5 AA2 5 GLU B 262 TYR B 263 1 O GLU B 262 N VAL B 244 SHEET 1 AA3 5 ALA C 195 TYR C 197 0 SHEET 2 AA3 5 VAL C 167 THR C 170 1 N VAL C 167 O LEU C 196 SHEET 3 AA3 5 ALA C 218 SER C 222 1 O VAL C 220 N LEU C 168 SHEET 4 AA3 5 ARG C 243 GLY C 247 1 O PHE C 245 N LEU C 221 SHEET 5 AA3 5 GLU C 262 TYR C 263 1 O GLU C 262 N VAL C 244 SHEET 1 AA4 5 ALA D 195 TYR D 197 0 SHEET 2 AA4 5 VAL D 167 THR D 170 1 N VAL D 167 O LEU D 196 SHEET 3 AA4 5 ALA D 218 SER D 222 1 O VAL D 220 N LEU D 168 SHEET 4 AA4 5 ARG D 243 GLY D 247 1 O PHE D 245 N LEU D 221 SHEET 5 AA4 5 GLU D 262 TYR D 263 1 O GLU D 262 N VAL D 244 LINK NE2 HIS D 132 CO B12 D 301 1555 1555 2.78 CRYST1 60.870 72.690 201.560 90.00 90.00 90.00 P 21 21 21 16 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 0.016428 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013757 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004961 0.00000