HEADER OXIDOREDUCTASE 03-JAN-23 8HX4 TITLE CRYSTAL STRUCTURE OF ATHPPD-Y18549 COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 4-HYDROXYPHENYLPYRUVATE DIOXYGENASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 4-HYDROXYPHENYLPYRUVIC ACID OXIDASE,4HPPD,HPD,HPPDASE; COMPND 5 EC: 1.13.11.27; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: THALE CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: HPD, PDS1, AT1G06570, F12K11.9; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS COMPLEX, INHIBITOR, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR J.DONG,H.-Y.LIN,G.-F.YANG REVDAT 2 23-OCT-24 8HX4 1 REMARK REVDAT 1 20-DEC-23 8HX4 0 JRNL AUTH J.DONG,H.-Y.LIN,G.-F.YANG JRNL TITL CRYSTAL STRUCTURE OF ATHPPD-Y18549 COMPLEX JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.13_2998: ???) 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.42 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 3 NUMBER OF REFLECTIONS : 28837 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.174 REMARK 3 FREE R VALUE : 0.208 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1414 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 28.4160 - 4.0811 0.95 2815 146 0.1761 0.2022 REMARK 3 2 4.0811 - 3.2408 0.96 2773 186 0.1561 0.1781 REMARK 3 3 3.2408 - 2.8315 0.98 2834 142 0.1735 0.1918 REMARK 3 4 2.8315 - 2.5728 0.94 2742 141 0.1727 0.2245 REMARK 3 5 2.5728 - 2.3885 0.98 2825 144 0.1734 0.2272 REMARK 3 6 2.3885 - 2.2478 0.98 2835 146 0.1698 0.2249 REMARK 3 7 2.2478 - 2.1352 0.93 2677 132 0.1756 0.2417 REMARK 3 8 2.1352 - 2.0423 0.96 2801 133 0.1885 0.2281 REMARK 3 9 2.0423 - 1.9637 0.97 2801 133 0.1988 0.2530 REMARK 3 10 1.9637 - 1.8960 0.80 2320 111 0.2162 0.2604 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) : 0.180 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.800 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 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 : 0.007 3016 REMARK 3 ANGLE : 0.911 4092 REMARK 3 CHIRALITY : 0.063 451 REMARK 3 PLANARITY : 0.006 528 REMARK 3 DIHEDRAL : 7.902 2408 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL 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 8HX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 18-JAN-23. REMARK 100 THE DEPOSITION ID IS D_1300034515. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-AUG-21 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.06 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28847 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.896 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.2 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.11300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.92 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.95 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS/BICINE PH 8.5, 15% (V/V) REMARK 280 MPD, 15% (W/V) PEG 1000, 15% (W/V) PEG 3350, 0.03M NABR, 0.03M REMARK 280 NAF, 0.03M NAI, VAPOR DIFFUSION, HANGING DROP, 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 38.32250 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.76400 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 38.32250 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 41.76400 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 28230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -40.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 -22.21478 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 121.99793 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 GLY A 29 REMARK 465 SER A 30 REMARK 465 HIS A 31 REMARK 465 MET A 32 REMARK 465 VAL A 33 REMARK 465 ARG A 34 REMARK 465 GLU A 195 REMARK 465 ASP A 196 REMARK 465 THR A 197 REMARK 465 GLU A 198 REMARK 465 LYS A 199 REMARK 465 SER A 200 REMARK 465 PHE A 253 REMARK 465 THR A 254 REMARK 465 ALA A 255 REMARK 465 ASP A 256 REMARK 465 ASP A 257 REMARK 465 VAL A 258 REMARK 465 GLY A 259 REMARK 465 THR A 260 REMARK 465 ALA A 261 REMARK 465 LYS A 404 REMARK 465 ASP A 405 REMARK 465 GLU A 406 REMARK 465 GLU A 407 REMARK 465 GLY A 408 REMARK 465 LYS A 409 REMARK 465 ALA A 410 REMARK 465 GLU A 439 REMARK 465 ALA A 440 REMARK 465 LYS A 441 REMARK 465 GLN A 442 REMARK 465 LEU A 443 REMARK 465 VAL A 444 REMARK 465 GLY A 445 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 LYS A 35 CG CD CE NZ REMARK 470 LYS A 193 CG CD CE NZ REMARK 470 GLU A 201 CG CD OE1 OE2 REMARK 470 ARG A 208 CD NE CZ NH1 NH2 REMARK 470 GLU A 210 CG CD OE1 OE2 REMARK 470 GLU A 262 CG CD OE1 OE2 REMARK 470 LYS A 289 CG CD CE NZ REMARK 470 ARG A 290 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 344 CG CD OE1 NE2 REMARK 470 LYS A 347 CG CD CE NZ REMARK 470 LYS A 348 CG CD CE NZ REMARK 470 ASP A 357 CG OD1 OD2 REMARK 470 PHE A 428 CG CD1 CD2 CE1 CE2 CZ REMARK 470 LYS A 429 CG CD CE NZ REMARK 470 GLU A 432 CG CD OE1 OE2 REMARK 470 GLU A 433 CG CD OE1 OE2 REMARK 470 GLU A 435 CG CD OE1 OE2 REMARK 470 LYS A 436 CG CD CE NZ 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 823 O HOH A 840 1.84 REMARK 500 O HOH A 779 O HOH A 807 1.89 REMARK 500 O HOH A 821 O HOH A 839 1.92 REMARK 500 OE1 GLU A 207 O HOH A 601 1.99 REMARK 500 OE1 GLU A 361 O HOH A 602 2.00 REMARK 500 NE2 GLN A 293 O HOH A 603 2.01 REMARK 500 OE2 GLU A 426 O HOH A 604 2.07 REMARK 500 OE2 GLU A 252 O HOH A 605 2.07 REMARK 500 NZ LYS A 43 O HOH A 606 2.10 REMARK 500 N GLU A 262 O HOH A 607 2.11 REMARK 500 O HOH A 613 O HOH A 765 2.16 REMARK 500 O HOH A 812 O HOH A 848 2.16 REMARK 500 O HOH A 820 O HOH A 825 2.17 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 639 O HOH A 791 2657 1.97 REMARK 500 O HOH A 804 O HOH A 813 4558 2.16 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 LYS A 45 -86.63 -101.70 REMARK 500 ASP A 77 -166.55 -161.82 REMARK 500 ALA A 173 -40.18 -135.42 REMARK 500 LEU A 181 -62.74 -105.47 REMARK 500 ASP A 218 113.19 -168.11 REMARK 500 ASP A 315 82.67 -164.36 REMARK 500 THR A 390 -93.14 -126.03 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 CO A 501 CO REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 226 NE2 REMARK 620 2 HIS A 308 NE2 100.3 REMARK 620 3 GLU A 394 OE1 94.0 87.6 REMARK 620 4 NQX A 502 O17 170.6 87.5 91.5 REMARK 620 5 NQX A 502 O24 83.7 92.4 177.7 90.7 REMARK 620 6 HOH A 676 O 84.6 170.7 84.1 88.5 96.0 REMARK 620 N 1 2 3 4 5 DBREF 8HX4 A 33 445 UNP P93836 HPPD_ARATH 33 445 SEQADV 8HX4 GLY A 29 UNP P93836 EXPRESSION TAG SEQADV 8HX4 SER A 30 UNP P93836 EXPRESSION TAG SEQADV 8HX4 HIS A 31 UNP P93836 EXPRESSION TAG SEQADV 8HX4 MET A 32 UNP P93836 EXPRESSION TAG SEQRES 1 A 417 GLY SER HIS MET VAL ARG LYS ASN PRO LYS SER ASP LYS SEQRES 2 A 417 PHE LYS VAL LYS ARG PHE HIS HIS ILE GLU PHE TRP CYS SEQRES 3 A 417 GLY ASP ALA THR ASN VAL ALA ARG ARG PHE SER TRP GLY SEQRES 4 A 417 LEU GLY MET ARG PHE SER ALA LYS SER ASP LEU SER THR SEQRES 5 A 417 GLY ASN MET VAL HIS ALA SER TYR LEU LEU THR SER GLY SEQRES 6 A 417 ASP LEU ARG PHE LEU PHE THR ALA PRO TYR SER PRO SER SEQRES 7 A 417 LEU SER ALA GLY GLU ILE LYS PRO THR THR THR ALA SER SEQRES 8 A 417 ILE PRO SER PHE ASP HIS GLY SER CYS ARG SER PHE PHE SEQRES 9 A 417 SER SER HIS GLY LEU GLY VAL ARG ALA VAL ALA ILE GLU SEQRES 10 A 417 VAL GLU ASP ALA GLU SER ALA PHE SER ILE SER VAL ALA SEQRES 11 A 417 ASN GLY ALA ILE PRO SER SER PRO PRO ILE VAL LEU ASN SEQRES 12 A 417 GLU ALA VAL THR ILE ALA GLU VAL LYS LEU TYR GLY ASP SEQRES 13 A 417 VAL VAL LEU ARG TYR VAL SER TYR LYS ALA GLU ASP THR SEQRES 14 A 417 GLU LYS SER GLU PHE LEU PRO GLY PHE GLU ARG VAL GLU SEQRES 15 A 417 ASP ALA SER SER PHE PRO LEU ASP TYR GLY ILE ARG ARG SEQRES 16 A 417 LEU ASP HIS ALA VAL GLY ASN VAL PRO GLU LEU GLY PRO SEQRES 17 A 417 ALA LEU THR TYR VAL ALA GLY PHE THR GLY PHE HIS GLN SEQRES 18 A 417 PHE ALA GLU PHE THR ALA ASP ASP VAL GLY THR ALA GLU SEQRES 19 A 417 SER GLY LEU ASN SER ALA VAL LEU ALA SER ASN ASP GLU SEQRES 20 A 417 MET VAL LEU LEU PRO ILE ASN GLU PRO VAL HIS GLY THR SEQRES 21 A 417 LYS ARG LYS SER GLN ILE GLN THR TYR LEU GLU HIS ASN SEQRES 22 A 417 GLU GLY ALA GLY LEU GLN HIS LEU ALA LEU MET SER GLU SEQRES 23 A 417 ASP ILE PHE ARG THR LEU ARG GLU MET ARG LYS ARG SER SEQRES 24 A 417 SER ILE GLY GLY PHE ASP PHE MET PRO SER PRO PRO PRO SEQRES 25 A 417 THR TYR TYR GLN ASN LEU LYS LYS ARG VAL GLY ASP VAL SEQRES 26 A 417 LEU SER ASP ASP GLN ILE LYS GLU CYS GLU GLU LEU GLY SEQRES 27 A 417 ILE LEU VAL ASP ARG ASP ASP GLN GLY THR LEU LEU GLN SEQRES 28 A 417 ILE PHE THR LYS PRO LEU GLY ASP ARG PRO THR ILE PHE SEQRES 29 A 417 ILE GLU ILE ILE GLN ARG VAL GLY CYS MET MET LYS ASP SEQRES 30 A 417 GLU GLU GLY LYS ALA TYR GLN SER GLY GLY CYS GLY GLY SEQRES 31 A 417 PHE GLY LYS GLY ASN PHE SER GLU LEU PHE LYS SER ILE SEQRES 32 A 417 GLU GLU TYR GLU LYS THR LEU GLU ALA LYS GLN LEU VAL SEQRES 33 A 417 GLY HET CO A 501 1 HET NQX A 502 32 HET MPD A 503 8 HETNAM CO COBALT (II) ION HETNAM NQX 6-[(R)-[(2R,6R)-2,6-BIS(OXIDANYL)CYCLOHEXYL]-OXIDANYL- HETNAM 2 NQX METHYL]-3-(4,6-DIMETHYLPYRIMIDIN-2-YL)-1,5-DIMETHYL- HETNAM 3 NQX QUINAZOLINE-2,4-DIONE HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL FORMUL 2 CO CO 2+ FORMUL 3 NQX C23 H28 N4 O5 FORMUL 4 MPD C6 H14 O2 FORMUL 5 HOH *248(H2 O) HELIX 1 AA1 ASP A 56 GLY A 69 1 14 HELIX 2 AA2 ASP A 77 GLY A 81 5 5 HELIX 3 AA3 SER A 104 ALA A 109 5 6 HELIX 4 AA4 ILE A 112 THR A 116 5 5 HELIX 5 AA5 ASP A 124 GLY A 136 1 13 HELIX 6 AA6 ASP A 148 ASN A 159 1 12 HELIX 7 AA7 GLU A 210 SER A 214 5 5 HELIX 8 AA8 GLU A 233 GLY A 246 1 14 HELIX 9 AA9 SER A 292 GLU A 302 1 11 HELIX 10 AB1 ASP A 315 ARG A 326 1 12 HELIX 11 AB2 PRO A 339 ASN A 345 1 7 HELIX 12 AB3 ASN A 345 GLY A 351 1 7 HELIX 13 AB4 SER A 355 GLY A 366 1 12 HELIX 14 AB5 GLY A 422 LEU A 438 1 17 SHEET 1 AA1 9 PRO A 163 LEU A 170 0 SHEET 2 AA1 9 VAL A 174 TYR A 182 -1 O VAL A 174 N LEU A 170 SHEET 3 AA1 9 VAL A 185 TYR A 192 -1 O LEU A 187 N VAL A 179 SHEET 4 AA1 9 GLY A 138 VAL A 146 1 N ARG A 140 O VAL A 186 SHEET 5 AA1 9 VAL A 44 TRP A 53 -1 N ARG A 46 O GLU A 145 SHEET 6 AA1 9 LEU A 95 PRO A 102 1 O LEU A 98 N ILE A 50 SHEET 7 AA1 9 HIS A 85 SER A 92 -1 N LEU A 90 O PHE A 97 SHEET 8 AA1 9 ARG A 71 SER A 76 -1 N SER A 73 O LEU A 89 SHEET 9 AA1 9 GLU A 207 ARG A 208 -1 O GLU A 207 N LYS A 75 SHEET 1 AA2 8 HIS A 248 GLN A 249 0 SHEET 2 AA2 8 LEU A 265 ALA A 271 -1 O ALA A 271 N HIS A 248 SHEET 3 AA2 8 LEU A 278 PRO A 284 -1 O LEU A 279 N LEU A 270 SHEET 4 AA2 8 ILE A 221 ASN A 230 1 N GLY A 229 O ASN A 282 SHEET 5 AA2 8 GLY A 305 SER A 313 -1 O MET A 312 N ARG A 222 SHEET 6 AA2 8 PHE A 392 GLY A 400 1 O GLU A 394 N LEU A 311 SHEET 7 AA2 8 GLY A 375 PHE A 381 -1 N THR A 376 O VAL A 399 SHEET 8 AA2 8 LEU A 368 ARG A 371 -1 N ASP A 370 O LEU A 377 SSBOND 1 CYS A 401 CYS A 416 1555 1555 2.03 LINK NE2 HIS A 226 CO CO A 501 1555 1555 2.34 LINK NE2 HIS A 308 CO CO A 501 1555 1555 2.29 LINK OE1 GLU A 394 CO CO A 501 1555 1555 2.12 LINK CO CO A 501 O17 NQX A 502 1555 1555 2.05 LINK CO CO A 501 O24 NQX A 502 1555 1555 2.00 LINK CO CO A 501 O HOH A 676 1555 1555 2.45 CRYST1 76.645 83.528 62.002 90.00 100.32 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 0.013047 0.000000 0.002376 0.00000 SCALE2 0.000000 0.011972 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016394 0.00000