HEADER OXIDOREDUCTASE 09-FEB-22 7WUZ TITLE STRUCTURAL STUDY OF THE COMPLEX OF CBLC METHYLMALONIC ACIDURIA AND TITLE 2 HOMOCYSTEINURIA-RELATED PROTEIN MMACHC WITH CYANOCOBALAMIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CYANOCOBALAMIN REDUCTASE / ALKYLCOBALAMIN DEALKYLASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ALKYLCOBALAMIN:GLUTATHIONE S-ALKYLTRANSFERASE,CBLC, COMPND 5 CYANOCOBALAMIN REDUCTASE (CYANIDE-ELIMINATING),METHYLMALONIC ACIDURIA COMPND 6 AND HOMOCYSTINURIA TYPE C PROTEIN,MMACHC; COMPND 7 EC: 2.5.1.151,1.16.1.6; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: MMACHC; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS MMACHC, CYANOCOBALAMIN, VITAMIN B12, COMPLEX STRUCTURE, STRUCTURAL KEYWDS 2 PROTEIN, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.FENG,X.QIN REVDAT 2 29-MAY-24 7WUZ 1 REMARK REVDAT 1 15-FEB-23 7WUZ 0 JRNL AUTH Y.FENG,X.QIN JRNL TITL STRUCTURAL STUDY OF THE COMPLEX OF CBLC METHYLMALONIC JRNL TITL 2 ACIDURIA AND HOMOCYSTEINURIA-RELATED PROTEIN MMACHC WITH JRNL TITL 3 CYANOCOBALAMIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20_4459 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.37 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.360 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 3 NUMBER OF REFLECTIONS : 22107 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.165 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.870 REMARK 3 FREE R VALUE TEST SET COUNT : 1077 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 33.3700 - 3.8500 0.97 2706 134 0.1478 0.1742 REMARK 3 2 3.8500 - 3.0600 0.87 2395 130 0.1511 0.1894 REMARK 3 3 3.0600 - 2.6700 0.98 2709 123 0.1663 0.2314 REMARK 3 4 2.6700 - 2.4300 0.98 2652 158 0.1766 0.2274 REMARK 3 5 2.4300 - 2.2500 0.98 2674 127 0.1754 0.2419 REMARK 3 6 2.2500 - 2.1200 0.97 2662 127 0.1958 0.2398 REMARK 3 7 2.1200 - 2.0200 0.97 2601 143 0.1887 0.2317 REMARK 3 8 2.0200 - 1.9300 0.97 2631 135 0.2045 0.2241 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.480 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.44 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 28.98 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : NULL NULL REMARK 3 ANGLE : NULL NULL REMARK 3 CHIRALITY : NULL NULL REMARK 3 PLANARITY : NULL NULL REMARK 3 DIHEDRAL : NULL NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 6 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: CHAIN 'A' AND (RESID -1 THROUGH 19 ) REMARK 3 ORIGIN FOR THE GROUP (A): -30.5761 -15.1295 11.6473 REMARK 3 T TENSOR REMARK 3 T11: 0.2920 T22: 0.1373 REMARK 3 T33: 0.2207 T12: -0.0032 REMARK 3 T13: -0.0323 T23: -0.0178 REMARK 3 L TENSOR REMARK 3 L11: 4.1275 L22: 1.3817 REMARK 3 L33: 3.3436 L12: -0.2257 REMARK 3 L13: 3.6439 L23: -0.6163 REMARK 3 S TENSOR REMARK 3 S11: 0.2849 S12: 0.3158 S13: -0.2826 REMARK 3 S21: -0.0870 S22: -0.0258 S23: 0.0910 REMARK 3 S31: 1.1453 S32: 0.0983 S33: -0.2421 REMARK 3 TLS GROUP : 2 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 20 THROUGH 94 ) REMARK 3 ORIGIN FOR THE GROUP (A): -21.1028 -6.3896 20.4283 REMARK 3 T TENSOR REMARK 3 T11: 0.1263 T22: 0.1325 REMARK 3 T33: 0.1399 T12: 0.0283 REMARK 3 T13: 0.0204 T23: -0.0266 REMARK 3 L TENSOR REMARK 3 L11: 1.8436 L22: 1.4762 REMARK 3 L33: 3.9385 L12: 0.5730 REMARK 3 L13: 1.1376 L23: 0.0357 REMARK 3 S TENSOR REMARK 3 S11: 0.1382 S12: 0.0265 S13: -0.0521 REMARK 3 S21: 0.0678 S22: -0.0398 S23: -0.0295 REMARK 3 S31: 0.2632 S32: 0.3203 S33: -0.0722 REMARK 3 TLS GROUP : 3 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 95 THROUGH 134 ) REMARK 3 ORIGIN FOR THE GROUP (A): -20.2063 2.2553 15.7755 REMARK 3 T TENSOR REMARK 3 T11: 0.1483 T22: 0.1497 REMARK 3 T33: 0.0983 T12: -0.0028 REMARK 3 T13: 0.0069 T23: -0.0057 REMARK 3 L TENSOR REMARK 3 L11: 2.5672 L22: 2.9884 REMARK 3 L33: 2.4240 L12: 0.0364 REMARK 3 L13: 0.4183 L23: -0.2710 REMARK 3 S TENSOR REMARK 3 S11: 0.0190 S12: 0.2117 S13: -0.0436 REMARK 3 S21: -0.1077 S22: -0.0794 S23: -0.0242 REMARK 3 S31: -0.0785 S32: 0.2506 S33: 0.0709 REMARK 3 TLS GROUP : 4 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 135 THROUGH 147 ) REMARK 3 ORIGIN FOR THE GROUP (A): -24.6472 22.7873 20.9699 REMARK 3 T TENSOR REMARK 3 T11: 0.3321 T22: 0.1584 REMARK 3 T33: 0.2943 T12: 0.0087 REMARK 3 T13: -0.0088 T23: -0.0384 REMARK 3 L TENSOR REMARK 3 L11: 5.6135 L22: 8.2056 REMARK 3 L33: 4.5141 L12: -1.5845 REMARK 3 L13: -0.2931 L23: -0.9957 REMARK 3 S TENSOR REMARK 3 S11: 0.4286 S12: 0.0432 S13: 0.4308 REMARK 3 S21: -0.5054 S22: -0.2763 S23: -0.1170 REMARK 3 S31: -0.3455 S32: 0.1144 S33: -0.0646 REMARK 3 TLS GROUP : 5 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 148 THROUGH 216 ) REMARK 3 ORIGIN FOR THE GROUP (A): -31.0873 5.5132 22.3364 REMARK 3 T TENSOR REMARK 3 T11: 0.1402 T22: 0.1272 REMARK 3 T33: 0.1668 T12: 0.0058 REMARK 3 T13: 0.0123 T23: -0.0149 REMARK 3 L TENSOR REMARK 3 L11: 1.4299 L22: 1.7243 REMARK 3 L33: 2.5100 L12: 0.1249 REMARK 3 L13: 0.2690 L23: 0.4202 REMARK 3 S TENSOR REMARK 3 S11: -0.0092 S12: -0.0806 S13: 0.1718 REMARK 3 S21: 0.0677 S22: -0.1027 S23: 0.2532 REMARK 3 S31: -0.3080 S32: -0.1525 S33: 0.0897 REMARK 3 TLS GROUP : 6 REMARK 3 SELECTION: CHAIN 'A' AND (RESID 217 THROUGH 239 ) REMARK 3 ORIGIN FOR THE GROUP (A): -18.5824 -2.2874 40.2744 REMARK 3 T TENSOR REMARK 3 T11: 0.2482 T22: 0.1872 REMARK 3 T33: 0.1015 T12: -0.0152 REMARK 3 T13: 0.0331 T23: -0.0016 REMARK 3 L TENSOR REMARK 3 L11: 6.5639 L22: 3.1288 REMARK 3 L33: 4.4661 L12: -1.2073 REMARK 3 L13: 1.1448 L23: 0.7310 REMARK 3 S TENSOR REMARK 3 S11: -0.0691 S12: -0.0782 S13: 0.1434 REMARK 3 S21: 0.0770 S22: 0.0232 S23: -0.1715 REMARK 3 S31: 0.2185 S32: -0.0469 S33: 0.0185 REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 7WUZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 17-FEB-22. REMARK 100 THE DEPOSITION ID IS D_1300027578. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-OCT-11 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 : SSRF REMARK 200 BEAMLINE : BL17U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22121 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.930 REMARK 200 RESOLUTION RANGE LOW (A) : 55.600 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.09200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.03 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.56500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> 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 (%): 56.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.81 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG 2000MME, 0.1M BIS-TRIS PH 6.5, REMARK 280 0.2 M LITHIUM SULFATE, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 36.48400 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.16350 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 36.48400 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 48.16350 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12380 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 KCAL/MOL 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 478 O HOH A 486 2.07 REMARK 500 O HOH A 550 O HOH A 592 2.12 REMARK 500 O HOH A 428 O HOH A 584 2.13 REMARK 500 O HOH A 441 O HOH A 499 2.19 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 513 O HOH A 544 2456 2.05 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 ASN A 142 46.73 -91.83 REMARK 500 VAL A 183 77.77 -116.80 REMARK 500 HIS A 199 23.10 -141.18 REMARK 500 TRP A 203 -10.04 71.67 REMARK 500 REMARK 500 REMARK: NULL DBREF 7WUZ A 1 239 UNP Q9Y4U1 MMAC_HUMAN 1 239 SEQADV 7WUZ GLU A -1 UNP Q9Y4U1 EXPRESSION TAG SEQADV 7WUZ PHE A 0 UNP Q9Y4U1 EXPRESSION TAG SEQRES 1 A 241 GLU PHE MET GLU PRO LYS VAL ALA GLU LEU LYS GLN LYS SEQRES 2 A 241 ILE GLU ASP THR LEU CYS PRO PHE GLY PHE GLU VAL TYR SEQRES 3 A 241 PRO PHE GLN VAL ALA TRP TYR ASN GLU LEU LEU PRO PRO SEQRES 4 A 241 ALA PHE HIS LEU PRO LEU PRO GLY PRO THR LEU ALA PHE SEQRES 5 A 241 LEU VAL LEU SER THR PRO ALA MET PHE ASP ARG ALA LEU SEQRES 6 A 241 LYS PRO PHE LEU GLN SER CYS HIS LEU ARG MET LEU THR SEQRES 7 A 241 ASP PRO VAL ASP GLN CYS VAL ALA TYR HIS LEU GLY ARG SEQRES 8 A 241 VAL ARG GLU SER LEU PRO GLU LEU GLN ILE GLU ILE ILE SEQRES 9 A 241 ALA ASP TYR GLU VAL HIS PRO ASN ARG ARG PRO LYS ILE SEQRES 10 A 241 LEU ALA GLN THR ALA ALA HIS VAL ALA GLY ALA ALA TYR SEQRES 11 A 241 TYR TYR GLN ARG GLN ASP VAL GLU ALA ASP PRO TRP GLY SEQRES 12 A 241 ASN GLN ARG ILE SER GLY VAL CYS ILE HIS PRO ARG PHE SEQRES 13 A 241 GLY GLY TRP PHE ALA ILE ARG GLY VAL VAL LEU LEU PRO SEQRES 14 A 241 GLY ILE GLU VAL PRO ASP LEU PRO PRO ARG LYS PRO HIS SEQRES 15 A 241 ASP CYS VAL PRO THR ARG ALA ASP ARG ILE ALA LEU LEU SEQRES 16 A 241 GLU GLY PHE ASN PHE HIS TRP ARG ASP TRP THR TYR ARG SEQRES 17 A 241 ASP ALA VAL THR PRO GLN GLU ARG TYR SER GLU GLU GLN SEQRES 18 A 241 LYS ALA TYR PHE SER THR PRO PRO ALA GLN ARG LEU ALA SEQRES 19 A 241 LEU LEU GLY LEU ALA GLN PRO HET CNC A 301 93 HET TLA A 302 10 HET SO4 A 303 5 HETNAM CNC CYANOCOBALAMIN HETNAM TLA L(+)-TARTARIC ACID HETNAM SO4 SULFATE ION FORMUL 2 CNC C63 H89 CO N14 O14 P 2+ FORMUL 3 TLA C4 H6 O6 FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *206(H2 O) HELIX 1 AA1 PHE A 0 CYS A 17 1 18 HELIX 2 AA2 VAL A 28 GLU A 33 1 6 HELIX 3 AA3 LEU A 34 LEU A 35 5 2 HELIX 4 AA4 PRO A 36 HIS A 40 5 5 HELIX 5 AA5 ALA A 57 ALA A 62 1 6 HELIX 6 AA6 ALA A 62 CYS A 70 1 9 HELIX 7 AA7 ASP A 77 LEU A 94 1 18 HELIX 8 AA8 LEU A 116 ALA A 124 1 9 HELIX 9 AA9 GLN A 131 VAL A 135 5 5 HELIX 10 AB1 THR A 185 HIS A 199 1 15 HELIX 11 AB2 TRP A 200 ALA A 208 5 9 HELIX 12 AB3 SER A 216 THR A 225 1 10 HELIX 13 AB4 PRO A 226 GLN A 238 1 13 SHEET 1 AA1 4 PHE A 21 GLN A 27 0 SHEET 2 AA1 4 THR A 47 SER A 54 -1 O LEU A 51 N TYR A 24 SHEET 3 AA1 4 ALA A 159 GLU A 170 -1 O GLY A 162 N VAL A 52 SHEET 4 AA1 4 GLU A 100 ALA A 103 -1 N GLU A 100 O LEU A 165 SHEET 1 AA2 2 TYR A 128 TYR A 130 0 SHEET 2 AA2 2 VAL A 148 ILE A 150 -1 O VAL A 148 N TYR A 130 CRYST1 72.968 96.327 47.257 90.00 111.06 90.00 C 1 2 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 0.013705 0.000000 0.005277 0.00000 SCALE2 0.000000 0.010381 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022676 0.00000