HEADER OXIDOREDUCTASE 25-AUG-22 8E83 TITLE STRUCTURE OF 2-HYDROXYISOFLAVANONE SYNTHASE FROM MEDICAGO TRUNCATULA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ISOFLAVONE SYNTHASE 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PUTATIVE 2-HYDROXYISOFLAVANONE SYNTHASE; COMPND 5 EC: 1.14.14.87; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MEDICAGO TRUNCATULA; SOURCE 3 ORGANISM_COMMON: BARREL MEDIC; SOURCE 4 ORGANISM_TAXID: 3880; SOURCE 5 GENE: MTRUNA17_CHR4G0046351; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CYTOCHROME P450, ISOFLAVONOID, ARYL-RING MIGRATION, HYDROXYLATION, KEYWDS 2 OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR H.PAN,X.WANG REVDAT 3 03-APR-24 8E83 1 REMARK REVDAT 2 01-FEB-23 8E83 1 SPRSDE REVDAT 1 30-NOV-22 8E83 0 JRNL AUTH X.WANG,H.PAN,S.SAGURTHI,V.PARIS,C.ZHUO,R.A.DIXON JRNL TITL THE PROTEIN CONFORMATIONAL BASIS OF ISOFLAVONE BIOSYNTHESIS. JRNL REF COMMUN BIOL V. 5 1249 2022 JRNL REFN ESSN 2399-3642 JRNL PMID 36376429 JRNL DOI 10.1038/S42003-022-04222-X REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.12_2829 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 : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.70 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 3 NUMBER OF REFLECTIONS : 71557 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.192 REMARK 3 FREE R VALUE : 0.228 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.014 REMARK 3 FREE R VALUE TEST SET COUNT : 3588 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 42.6968 - 5.9270 0.99 2741 145 0.1838 0.2184 REMARK 3 2 5.9270 - 4.7063 1.00 2705 149 0.1819 0.1742 REMARK 3 3 4.7063 - 4.1120 1.00 2691 140 0.1508 0.1984 REMARK 3 4 4.1120 - 3.7362 1.00 2690 143 0.1633 0.1788 REMARK 3 5 3.7362 - 3.4686 1.00 2682 137 0.1808 0.1994 REMARK 3 6 3.4686 - 3.2642 1.00 2681 150 0.1921 0.2089 REMARK 3 7 3.2642 - 3.1007 1.00 2646 135 0.2077 0.2741 REMARK 3 8 3.1007 - 2.9658 1.00 2652 137 0.2038 0.2753 REMARK 3 9 2.9658 - 2.8516 1.00 2699 140 0.2164 0.2784 REMARK 3 10 2.8516 - 2.7533 1.00 2652 143 0.2032 0.2480 REMARK 3 11 2.7533 - 2.6672 1.00 2660 138 0.2108 0.2245 REMARK 3 12 2.6672 - 2.5910 1.00 2691 145 0.2047 0.2445 REMARK 3 13 2.5910 - 2.5228 1.00 2645 132 0.2031 0.2616 REMARK 3 14 2.5228 - 2.4612 1.00 2658 155 0.2025 0.2194 REMARK 3 15 2.4612 - 2.4053 1.00 2623 137 0.2027 0.2777 REMARK 3 16 2.4053 - 2.3541 1.00 2699 135 0.1978 0.2697 REMARK 3 17 2.3541 - 2.3070 1.00 2613 146 0.2005 0.2322 REMARK 3 18 2.3070 - 2.2635 0.99 2643 139 0.2014 0.2501 REMARK 3 19 2.2635 - 2.2230 0.98 2590 130 0.2045 0.2729 REMARK 3 20 2.2230 - 2.1854 0.98 2602 129 0.2089 0.2464 REMARK 3 21 2.1854 - 2.1501 0.97 2612 139 0.2185 0.2616 REMARK 3 22 2.1501 - 2.1170 0.97 2562 140 0.2167 0.2529 REMARK 3 23 2.1170 - 2.0859 0.95 2522 114 0.2199 0.2584 REMARK 3 24 2.0859 - 2.0565 0.94 2489 129 0.2287 0.2883 REMARK 3 25 2.0565 - 2.0287 0.91 2396 148 0.2400 0.3114 REMARK 3 26 2.0287 - 2.0000 0.81 2125 113 0.2603 0.2938 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.226 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 24.724 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.51 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.00 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 : 0.003 7411 REMARK 3 ANGLE : 0.525 10065 REMARK 3 CHIRALITY : 0.040 1122 REMARK 3 PLANARITY : 0.005 1275 REMARK 3 DIHEDRAL : 11.501 2744 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 14.7648 0.5895 36.5491 REMARK 3 T TENSOR REMARK 3 T11: 0.2753 T22: 0.1711 REMARK 3 T33: 0.1949 T12: 0.0050 REMARK 3 T13: -0.0035 T23: -0.0075 REMARK 3 L TENSOR REMARK 3 L11: 0.4797 L22: 0.6601 REMARK 3 L33: 1.3111 L12: -0.1017 REMARK 3 L13: 0.4266 L23: -0.2453 REMARK 3 S TENSOR REMARK 3 S11: -0.0168 S12: 0.0887 S13: 0.0209 REMARK 3 S21: -0.2277 S22: -0.0254 S23: 0.0445 REMARK 3 S31: -0.0544 S32: 0.0332 S33: 0.0219 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 8E83 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-AUG-22. REMARK 100 THE DEPOSITION ID IS D_1000267799. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-DEC-12 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 6.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9790 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 71558 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 42.700 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 3.400 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 17.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.07 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.8 REMARK 200 DATA REDUNDANCY IN SHELL : 2.40 REMARK 200 R MERGE FOR SHELL (I) : 0.36600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.200 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: SEMET PROTEIN STRUCTURE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.02 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M (NH4)2SO4, 0.2 M AMMONIUM REMARK 280 TARTRATE DIBASIC, 0.05 M IMIDAZOLE, 30% (W/V)PEG3350 AND 0.1M REMARK 280 K2HPO4/NAH2PO4 (PH6.8), VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 36.89350 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 MET A 24 REMARK 465 ALA A 25 REMARK 465 LYS A 26 REMARK 465 LYS A 27 REMARK 465 THR A 28 REMARK 465 SER A 29 REMARK 465 GLU A 97 REMARK 465 ALA A 98 REMARK 465 THR A 99 REMARK 465 SER A 100 REMARK 465 PHE A 101 REMARK 465 ASN A 102 REMARK 465 THR A 103 REMARK 465 ARG A 104 REMARK 465 PHE A 105 REMARK 465 GLN A 106 REMARK 465 THR A 107 REMARK 465 THR A 284 REMARK 465 MET A 285 REMARK 465 GLU A 286 REMARK 465 ILE A 287 REMARK 465 LYS A 288 REMARK 465 VAL A 422 REMARK 465 GLY A 423 REMARK 465 GLU A 424 REMARK 465 GLY A 425 REMARK 465 GLU A 426 REMARK 465 ALA A 427 REMARK 465 ALA A 428 REMARK 465 SER A 429 REMARK 465 ILE A 430 REMARK 465 GLN A 435 REMARK 465 HIS A 436 REMARK 465 PHE A 437 REMARK 465 SER A 521 REMARK 465 SER A 522 REMARK 465 HIS A 523 REMARK 465 HIS A 524 REMARK 465 HIS A 525 REMARK 465 HIS A 526 REMARK 465 MET B 24 REMARK 465 ALA B 25 REMARK 465 LYS B 26 REMARK 465 LYS B 27 REMARK 465 THR B 28 REMARK 465 SER B 29 REMARK 465 SER B 30 REMARK 465 THR B 95 REMARK 465 HIS B 96 REMARK 465 GLU B 97 REMARK 465 ALA B 98 REMARK 465 THR B 99 REMARK 465 SER B 100 REMARK 465 PHE B 101 REMARK 465 ASN B 102 REMARK 465 THR B 103 REMARK 465 ARG B 104 REMARK 465 PHE B 105 REMARK 465 GLN B 106 REMARK 465 THR B 107 REMARK 465 GLY B 227 REMARK 465 ASN B 228 REMARK 465 TYR B 229 REMARK 465 THR B 284 REMARK 465 MET B 285 REMARK 465 GLU B 286 REMARK 465 ILE B 287 REMARK 465 ASN B 421 REMARK 465 VAL B 422 REMARK 465 GLY B 423 REMARK 465 GLU B 424 REMARK 465 GLY B 425 REMARK 465 GLU B 426 REMARK 465 ALA B 427 REMARK 465 ALA B 428 REMARK 465 SER B 429 REMARK 465 ILE B 430 REMARK 465 SER B 521 REMARK 465 SER B 522 REMARK 465 HIS B 523 REMARK 465 HIS B 524 REMARK 465 HIS B 525 REMARK 465 HIS B 526 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 HIS A 96 CG ND1 CD2 CE1 NE2 REMARK 470 THR A 215 OG1 CG2 REMARK 470 PHE A 217 CB CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 223 CG CD CE NZ REMARK 470 LYS A 225 CB CG CD CE NZ REMARK 470 ASN A 228 CB CG OD1 ND2 REMARK 470 LYS A 231 CG CD CE NZ REMARK 470 ARG A 232 CB CG CD NE CZ NH1 NH2 REMARK 470 ASN A 260 CG OD1 ND2 REMARK 470 GLU A 262 CB CG CD OE1 OE2 REMARK 470 ILE A 263 CB CG1 CG2 CD1 REMARK 470 GLU A 265 CB CG CD OE1 OE2 REMARK 470 GLN A 268 CB CG CD OE1 NE2 REMARK 470 GLN A 281 CB CG CD OE1 NE2 REMARK 470 GLU A 283 CB CG CD OE1 OE2 REMARK 470 ASN A 421 CG OD1 ND2 REMARK 470 LEU A 439 CG CD1 CD2 REMARK 470 GLU A 480 CB CG CD OE1 OE2 REMARK 470 ASN A 483 CB CG OD1 ND2 REMARK 470 ASP A 485 CB CG OD1 OD2 REMARK 470 TYR A 486 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASP A 517 CB CG OD1 OD2 REMARK 470 LYS B 133 CG CD CE NZ REMARK 470 MET B 136 CG SD CE REMARK 470 ASN B 137 CG OD1 ND2 REMARK 470 GLU B 168 CG CD OE1 OE2 REMARK 470 LEU B 221 CB CG CD1 CD2 REMARK 470 PHE B 224 CB CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS B 225 CB CG CD CE NZ REMARK 470 PHE B 226 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP B 230 CB CG OD1 OD2 REMARK 470 LYS B 231 CB CG CD CE NZ REMARK 470 ARG B 232 CB CG CD NE CZ NH1 NH2 REMARK 470 GLU B 235 CB CG CD OE1 OE2 REMARK 470 LYS B 259 CB CG CD CE NZ REMARK 470 ASN B 260 CB CG OD1 ND2 REMARK 470 ILE B 263 CB CG1 CG2 CD1 REMARK 470 GLN B 268 CB CG CD OE1 NE2 REMARK 470 ASN B 269 CB CG OD1 ND2 REMARK 470 VAL B 270 CB CG1 CG2 REMARK 470 GLU B 278 CG CD OE1 OE2 REMARK 470 PHE B 279 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ALA B 280 CB REMARK 470 GLN B 281 CB CG CD OE1 NE2 REMARK 470 GLU B 283 CB CG CD OE1 OE2 REMARK 470 LYS B 288 CB CG CD CE NZ REMARK 470 GLN B 477 CG CD OE1 NE2 REMARK 470 HIS B 478 CG ND1 CD2 CE1 NE2 REMARK 470 GLU B 480 CB CG CD OE1 OE2 REMARK 470 TYR B 486 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ALA B 513 CB REMARK 470 ASP B 517 CB CG OD1 OD2 REMARK 470 LYS B 518 CB CG CD CE NZ 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 SER A 84 36.48 -147.55 REMARK 500 PHE A 217 -75.82 -103.72 REMARK 500 TYR A 229 -142.24 59.83 REMARK 500 LEU A 352 72.28 -119.43 REMARK 500 LYS A 409 72.24 48.67 REMARK 500 THR A 456 -84.72 -123.10 REMARK 500 HIS A 478 59.16 -156.79 REMARK 500 ASN A 483 132.48 165.44 REMARK 500 SER B 84 35.71 -143.71 REMARK 500 THR B 215 74.07 -109.03 REMARK 500 LEU B 221 93.97 -60.31 REMARK 500 LYS B 223 -141.28 60.68 REMARK 500 GLU B 267 85.12 -63.69 REMARK 500 GLN B 281 22.95 -140.00 REMARK 500 LEU B 352 71.88 -119.39 REMARK 500 THR B 456 -81.87 -122.97 REMARK 500 GLN B 477 71.54 53.17 REMARK 500 HIS B 478 -64.62 -93.15 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 B 152 0.12 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 988 DISTANCE = 5.85 ANGSTROMS 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 HEM A 600 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 449 SG REMARK 620 2 HEM A 600 NA 84.9 REMARK 620 3 HEM A 600 NB 87.5 89.5 REMARK 620 4 HEM A 600 NC 90.4 175.3 90.6 REMARK 620 5 HEM A 600 ND 87.4 89.4 174.8 90.1 REMARK 620 6 HOH A 914 O 175.3 90.7 90.7 94.0 94.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 600 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 449 SG REMARK 620 2 HEM B 600 NA 85.4 REMARK 620 3 HEM B 600 NB 87.0 89.8 REMARK 620 4 HEM B 600 NC 90.2 175.5 90.7 REMARK 620 5 HEM B 600 ND 88.4 88.8 175.3 90.3 REMARK 620 6 HOH B 849 O 174.4 89.6 95.3 94.8 89.2 REMARK 620 N 1 2 3 4 5 DBREF 8E83 A 35 522 UNP Q49BZ0 Q49BZ0_MEDTR 35 522 DBREF 8E83 B 35 522 UNP Q49BZ0 Q49BZ0_MEDTR 35 522 SEQADV 8E83 MET A 24 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 ALA A 25 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS A 26 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS A 27 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 THR A 28 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 SER A 29 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 SER A 30 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS A 31 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 GLY A 32 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS A 33 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LEU A 34 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS A 523 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS A 524 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS A 525 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS A 526 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 MET B 24 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 ALA B 25 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS B 26 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS B 27 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 THR B 28 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 SER B 29 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 SER B 30 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS B 31 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 GLY B 32 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LYS B 33 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 LEU B 34 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS B 523 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS B 524 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS B 525 UNP Q49BZ0 EXPRESSION TAG SEQADV 8E83 HIS B 526 UNP Q49BZ0 EXPRESSION TAG SEQRES 1 A 503 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 A 503 SER PRO LYS PRO ARG LEU PRO PHE ILE GLY HIS LEU HIS SEQRES 3 A 503 LEU LEU ASP ASN PRO LEU LEU HIS HIS THR LEU ILE LYS SEQRES 4 A 503 LEU GLY LYS ARG TYR GLY PRO LEU TYR THR LEU TYR PHE SEQRES 5 A 503 GLY SER MET PRO THR VAL VAL ALA SER THR PRO ASP LEU SEQRES 6 A 503 PHE LYS LEU PHE LEU GLN THR HIS GLU ALA THR SER PHE SEQRES 7 A 503 ASN THR ARG PHE GLN THR SER ALA ILE SER ARG LEU THR SEQRES 8 A 503 TYR ASP ASN SER VAL ALA MET VAL PRO PHE ALA PRO TYR SEQRES 9 A 503 TRP LYS PHE ILE ARG LYS LEU ILE MET ASN ASP LEU LEU SEQRES 10 A 503 ASN ALA THR THR VAL ASN LYS LEU ARG PRO LEU ARG SER SEQRES 11 A 503 ARG GLU ILE LEU LYS VAL LEU LYS VAL MET ALA ASN SER SEQRES 12 A 503 ALA GLU THR GLN GLN PRO LEU ASP VAL THR GLU GLU LEU SEQRES 13 A 503 LEU LYS TRP THR ASN SER THR ILE SER THR MET MET LEU SEQRES 14 A 503 GLY GLU ALA GLU GLU VAL ARG ASP ILE ALA ARG ASP VAL SEQRES 15 A 503 LEU LYS ILE PHE GLY GLU TYR SER VAL THR ASN PHE ILE SEQRES 16 A 503 TRP PRO LEU ASN LYS PHE LYS PHE GLY ASN TYR ASP LYS SEQRES 17 A 503 ARG THR GLU GLU ILE PHE ASN LYS TYR ASP PRO ILE ILE SEQRES 18 A 503 GLU LYS VAL ILE LYS LYS ARG GLN GLU ILE VAL ASN LYS SEQRES 19 A 503 ARG LYS ASN GLY GLU ILE VAL GLU GLY GLU GLN ASN VAL SEQRES 20 A 503 VAL PHE LEU ASP THR LEU LEU GLU PHE ALA GLN ASP GLU SEQRES 21 A 503 THR MET GLU ILE LYS ILE THR LYS GLU GLN ILE LYS GLY SEQRES 22 A 503 LEU VAL VAL ASP PHE PHE SER ALA GLY THR ASP SER THR SEQRES 23 A 503 ALA VAL SER THR GLU TRP THR LEU SER GLU LEU ILE ASN SEQRES 24 A 503 ASN PRO ARG VAL LEU LYS LYS ALA ARG GLU GLU ILE ASP SEQRES 25 A 503 SER VAL VAL GLY LYS ASP ARG LEU VAL ASP GLU SER ASP SEQRES 26 A 503 VAL GLN ASN LEU PRO TYR ILE LYS ALA ILE VAL LYS GLU SEQRES 27 A 503 ALA PHE ARG LEU HIS PRO PRO LEU PRO VAL VAL LYS ARG SEQRES 28 A 503 LYS CYS THR GLN GLU CYS GLU ILE ASP GLY TYR VAL VAL SEQRES 29 A 503 PRO GLU GLY ALA LEU ILE LEU PHE ASN VAL TRP ALA VAL SEQRES 30 A 503 GLY ARG ASP PRO LYS TYR TRP VAL LYS PRO LEU GLU PHE SEQRES 31 A 503 ARG PRO GLU ARG PHE ILE GLU ASN VAL GLY GLU GLY GLU SEQRES 32 A 503 ALA ALA SER ILE ASP LEU ARG GLY GLN HIS PHE THR LEU SEQRES 33 A 503 LEU PRO PHE GLY SER GLY ARG ARG MET CYS PRO GLY VAL SEQRES 34 A 503 ASN LEU ALA THR ALA GLY MET ALA THR MET ILE ALA SER SEQRES 35 A 503 ILE ILE GLN CYS PHE ASP LEU GLN VAL PRO GLY GLN HIS SEQRES 36 A 503 GLY GLU ILE LEU ASN GLY ASP TYR ALA LYS VAL SER MET SEQRES 37 A 503 GLU GLU ARG PRO GLY LEU THR VAL PRO ARG ALA HIS ASN SEQRES 38 A 503 LEU MET CYS VAL PRO LEU ALA ARG ALA GLY VAL ALA ASP SEQRES 39 A 503 LYS LEU LEU SER SER HIS HIS HIS HIS SEQRES 1 B 503 MET ALA LYS LYS THR SER SER LYS GLY LYS LEU PRO PRO SEQRES 2 B 503 SER PRO LYS PRO ARG LEU PRO PHE ILE GLY HIS LEU HIS SEQRES 3 B 503 LEU LEU ASP ASN PRO LEU LEU HIS HIS THR LEU ILE LYS SEQRES 4 B 503 LEU GLY LYS ARG TYR GLY PRO LEU TYR THR LEU TYR PHE SEQRES 5 B 503 GLY SER MET PRO THR VAL VAL ALA SER THR PRO ASP LEU SEQRES 6 B 503 PHE LYS LEU PHE LEU GLN THR HIS GLU ALA THR SER PHE SEQRES 7 B 503 ASN THR ARG PHE GLN THR SER ALA ILE SER ARG LEU THR SEQRES 8 B 503 TYR ASP ASN SER VAL ALA MET VAL PRO PHE ALA PRO TYR SEQRES 9 B 503 TRP LYS PHE ILE ARG LYS LEU ILE MET ASN ASP LEU LEU SEQRES 10 B 503 ASN ALA THR THR VAL ASN LYS LEU ARG PRO LEU ARG SER SEQRES 11 B 503 ARG GLU ILE LEU LYS VAL LEU LYS VAL MET ALA ASN SER SEQRES 12 B 503 ALA GLU THR GLN GLN PRO LEU ASP VAL THR GLU GLU LEU SEQRES 13 B 503 LEU LYS TRP THR ASN SER THR ILE SER THR MET MET LEU SEQRES 14 B 503 GLY GLU ALA GLU GLU VAL ARG ASP ILE ALA ARG ASP VAL SEQRES 15 B 503 LEU LYS ILE PHE GLY GLU TYR SER VAL THR ASN PHE ILE SEQRES 16 B 503 TRP PRO LEU ASN LYS PHE LYS PHE GLY ASN TYR ASP LYS SEQRES 17 B 503 ARG THR GLU GLU ILE PHE ASN LYS TYR ASP PRO ILE ILE SEQRES 18 B 503 GLU LYS VAL ILE LYS LYS ARG GLN GLU ILE VAL ASN LYS SEQRES 19 B 503 ARG LYS ASN GLY GLU ILE VAL GLU GLY GLU GLN ASN VAL SEQRES 20 B 503 VAL PHE LEU ASP THR LEU LEU GLU PHE ALA GLN ASP GLU SEQRES 21 B 503 THR MET GLU ILE LYS ILE THR LYS GLU GLN ILE LYS GLY SEQRES 22 B 503 LEU VAL VAL ASP PHE PHE SER ALA GLY THR ASP SER THR SEQRES 23 B 503 ALA VAL SER THR GLU TRP THR LEU SER GLU LEU ILE ASN SEQRES 24 B 503 ASN PRO ARG VAL LEU LYS LYS ALA ARG GLU GLU ILE ASP SEQRES 25 B 503 SER VAL VAL GLY LYS ASP ARG LEU VAL ASP GLU SER ASP SEQRES 26 B 503 VAL GLN ASN LEU PRO TYR ILE LYS ALA ILE VAL LYS GLU SEQRES 27 B 503 ALA PHE ARG LEU HIS PRO PRO LEU PRO VAL VAL LYS ARG SEQRES 28 B 503 LYS CYS THR GLN GLU CYS GLU ILE ASP GLY TYR VAL VAL SEQRES 29 B 503 PRO GLU GLY ALA LEU ILE LEU PHE ASN VAL TRP ALA VAL SEQRES 30 B 503 GLY ARG ASP PRO LYS TYR TRP VAL LYS PRO LEU GLU PHE SEQRES 31 B 503 ARG PRO GLU ARG PHE ILE GLU ASN VAL GLY GLU GLY GLU SEQRES 32 B 503 ALA ALA SER ILE ASP LEU ARG GLY GLN HIS PHE THR LEU SEQRES 33 B 503 LEU PRO PHE GLY SER GLY ARG ARG MET CYS PRO GLY VAL SEQRES 34 B 503 ASN LEU ALA THR ALA GLY MET ALA THR MET ILE ALA SER SEQRES 35 B 503 ILE ILE GLN CYS PHE ASP LEU GLN VAL PRO GLY GLN HIS SEQRES 36 B 503 GLY GLU ILE LEU ASN GLY ASP TYR ALA LYS VAL SER MET SEQRES 37 B 503 GLU GLU ARG PRO GLY LEU THR VAL PRO ARG ALA HIS ASN SEQRES 38 B 503 LEU MET CYS VAL PRO LEU ALA ARG ALA GLY VAL ALA ASP SEQRES 39 B 503 LYS LEU LEU SER SER HIS HIS HIS HIS HET HEM A 600 43 HET SO4 A 601 5 HET SO4 A 602 5 HET SO4 A 603 5 HET HEM B 600 43 HET SO4 B 601 5 HET SO4 B 602 5 HET SO4 B 603 5 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM SO4 SULFATE ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 SO4 6(O4 S 2-) FORMUL 11 HOH *463(H2 O) HELIX 1 AA1 HIS A 47 LEU A 51 5 5 HELIX 2 AA2 LEU A 55 GLY A 68 1 14 HELIX 3 AA3 THR A 85 LEU A 93 1 9 HELIX 4 AA4 ASN A 117 VAL A 119 5 3 HELIX 5 AA5 ALA A 120 ALA A 125 1 6 HELIX 6 AA6 TRP A 128 ASN A 137 1 10 HELIX 7 AA7 ASN A 141 LYS A 147 1 7 HELIX 8 AA8 LEU A 148 GLN A 170 1 23 HELIX 9 AA9 VAL A 175 GLY A 193 1 19 HELIX 10 AB1 ALA A 195 THR A 215 1 21 HELIX 11 AB2 ASP A 230 ASN A 260 1 31 HELIX 12 AB3 VAL A 271 PHE A 279 1 9 HELIX 13 AB4 THR A 290 SER A 303 1 14 HELIX 14 AB5 THR A 306 ASN A 323 1 18 HELIX 15 AB6 ASN A 323 VAL A 338 1 16 HELIX 16 AB7 ASP A 345 ASN A 351 5 7 HELIX 17 AB8 LEU A 352 HIS A 366 1 15 HELIX 18 AB9 VAL A 397 ARG A 402 1 6 HELIX 19 AC1 ARG A 414 ILE A 419 5 6 HELIX 20 AC2 GLY A 445 MET A 448 5 4 HELIX 21 AC3 CYS A 449 THR A 456 1 8 HELIX 22 AC4 THR A 456 CYS A 469 1 14 HELIX 23 AC5 HIS B 47 LEU B 51 5 5 HELIX 24 AC6 LEU B 55 GLY B 68 1 14 HELIX 25 AC7 THR B 85 GLN B 94 1 10 HELIX 26 AC8 ASN B 117 VAL B 119 5 3 HELIX 27 AC9 ALA B 120 ALA B 125 1 6 HELIX 28 AD1 TRP B 128 ASN B 137 1 10 HELIX 29 AD2 ASN B 141 LYS B 147 1 7 HELIX 30 AD3 LEU B 148 GLN B 170 1 23 HELIX 31 AD4 VAL B 175 GLY B 193 1 19 HELIX 32 AD5 ALA B 195 SER B 213 1 19 HELIX 33 AD6 VAL B 214 ASN B 216 5 3 HELIX 34 AD7 LYS B 231 LYS B 239 1 9 HELIX 35 AD8 LYS B 239 ASN B 260 1 22 HELIX 36 AD9 VAL B 271 PHE B 279 1 9 HELIX 37 AE1 THR B 290 SER B 303 1 14 HELIX 38 AE2 THR B 306 ASN B 323 1 18 HELIX 39 AE3 ASN B 323 VAL B 338 1 16 HELIX 40 AE4 ASP B 345 ASN B 351 5 7 HELIX 41 AE5 LEU B 352 HIS B 366 1 15 HELIX 42 AE6 VAL B 397 ARG B 402 1 6 HELIX 43 AE7 ARG B 414 ILE B 419 5 6 HELIX 44 AE8 GLY B 445 MET B 448 5 4 HELIX 45 AE9 CYS B 449 THR B 456 1 8 HELIX 46 AF1 THR B 456 CYS B 469 1 14 HELIX 47 AF2 ASN B 483 ALA B 487 5 5 SHEET 1 AA1 5 LEU A 70 PHE A 75 0 SHEET 2 AA1 5 MET A 78 ALA A 83 -1 O THR A 80 N LEU A 73 SHEET 3 AA1 5 LEU A 392 ASN A 396 1 O LEU A 394 N VAL A 81 SHEET 4 AA1 5 VAL A 371 CYS A 376 -1 N ARG A 374 O ILE A 393 SHEET 5 AA1 5 SER A 111 LEU A 113 -1 N ARG A 112 O LYS A 375 SHEET 1 AA2 4 LEU A 173 ASP A 174 0 SHEET 2 AA2 4 MET A 506 ALA A 511 -1 O CYS A 507 N LEU A 173 SHEET 3 AA2 4 PHE A 470 PRO A 475 -1 N ASP A 471 O LEU A 510 SHEET 4 AA2 4 ILE A 481 LEU A 482 -1 O LEU A 482 N VAL A 474 SHEET 1 AA3 2 CYS A 380 ILE A 382 0 SHEET 2 AA3 2 TYR A 385 VAL A 387 -1 O VAL A 387 N CYS A 380 SHEET 1 AA4 5 LEU B 70 PHE B 75 0 SHEET 2 AA4 5 MET B 78 ALA B 83 -1 O THR B 80 N LEU B 73 SHEET 3 AA4 5 LEU B 392 ASN B 396 1 O ASN B 396 N ALA B 83 SHEET 4 AA4 5 VAL B 371 CYS B 376 -1 N ARG B 374 O ILE B 393 SHEET 5 AA4 5 SER B 111 LEU B 113 -1 N ARG B 112 O LYS B 375 SHEET 1 AA5 3 LEU B 173 ASP B 174 0 SHEET 2 AA5 3 MET B 506 ALA B 511 -1 O CYS B 507 N LEU B 173 SHEET 3 AA5 3 PHE B 470 GLN B 473 -1 N ASP B 471 O LEU B 510 SHEET 1 AA6 2 CYS B 380 ILE B 382 0 SHEET 2 AA6 2 TYR B 385 VAL B 387 -1 O TYR B 385 N ILE B 382 LINK SG CYS A 449 FE HEM A 600 1555 1555 2.56 LINK FE HEM A 600 O HOH A 914 1555 1555 2.51 LINK SG CYS B 449 FE HEM B 600 1555 1555 2.62 LINK FE HEM B 600 O HOH B 849 1555 1555 2.47 CISPEP 1 LYS A 39 PRO A 40 0 -0.93 CISPEP 2 ASN A 483 GLY A 484 0 -0.05 CISPEP 3 LYS B 39 PRO B 40 0 -1.63 CISPEP 4 TRP B 219 PRO B 220 0 -0.32 CISPEP 5 GLY B 476 GLN B 477 0 -0.75 CISPEP 6 GLN B 477 HIS B 478 0 -1.48 CRYST1 50.119 73.787 148.671 90.00 93.48 90.00 P 1 21 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 0.019953 0.000000 0.001212 0.00000 SCALE2 0.000000 0.013553 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006739 0.00000