HEADER OXIDOREDUCTASE 14-FEB-06 2G19 TITLE CELLULAR OXYGEN SENSING: CRYSTAL STRUCTURE OF HYPOXIA-INDUCIBLE FACTOR TITLE 2 PROLYL HYDROXYLASE (PHD2) COMPND MOL_ID: 1; COMPND 2 MOLECULE: EGL NINE HOMOLOG 1; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 SYNONYM: HYPOXIA-INDUCIBLE FACTOR PROLYL HYDROXYLASE 2, HIF-PROLYL COMPND 6 HYDROXYLASE 2, HIF-PH2, HPH-2, PROLYL HYDROXYLASE DOMAIN-CONTAINING COMPND 7 PROTEIN 2, PHD2, SM-20; COMPND 8 EC: 1.14.11.-; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PHD2, HIF, DSBH, OXYGENASE, TRANSCRIPTION, HYPOXIA, 2-OXOGLUTARATE, KEYWDS 2 PROLYL HYDROXYLASE, HYDROXYLASE, EGLN, HPH, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR R.S.SYED,V.LI REVDAT 5 14-FEB-24 2G19 1 REMARK SEQADV REVDAT 4 18-OCT-17 2G19 1 REMARK REVDAT 3 24-FEB-09 2G19 1 VERSN REVDAT 2 18-JUL-06 2G19 1 JRNL REVDAT 1 13-JUN-06 2G19 0 JRNL AUTH M.A.MCDONOUGH,V.LI,E.FLASHMAN,R.CHOWDHURY,C.MOHR, JRNL AUTH 2 B.M.LIENARD,J.ZONDLO,N.J.OLDHAM,I.J.CLIFTON,J.LEWIS, JRNL AUTH 3 L.A.MCNEILL,R.J.KURZEJA,K.S.HEWITSON,E.YANG,S.JORDAN, JRNL AUTH 4 R.S.SYED,C.J.SCHOFIELD JRNL TITL CELLULAR OXYGEN SENSING: CRYSTAL STRUCTURE OF JRNL TITL 2 HYPOXIA-INDUCIBLE FACTOR PROLYL HYDROXYLASE (PHD2). JRNL REF PROC.NATL.ACAD.SCI.USA V. 103 9814 2006 JRNL REFN ISSN 0027-8424 JRNL PMID 16782814 JRNL DOI 10.1073/PNAS.0601283103 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 373779.010 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 30129 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 + TEST SET) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.253 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2421 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 30129 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4164 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE : 0.2790 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 379 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1708 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 135 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.70 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.20 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.31000 REMARK 3 B22 (A**2) : -1.31000 REMARK 3 B33 (A**2) : 2.62000 REMARK 3 B12 (A**2) : -0.05000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.12 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 2G19 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-FEB-06. REMARK 100 THE DEPOSITION ID IS D_1000036561. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-DEC-05; NULL REMARK 200 TEMPERATURE (KELVIN) : 120.0; NULL REMARK 200 PH : 6.40 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; NULL REMARK 200 RADIATION SOURCE : ALS; NULL REMARK 200 BEAMLINE : 5.0.2; NULL REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0000; NULL REMARK 200 MONOCHROMATOR : DOUBLE-CRYSTAL, SI(111); NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD; NULL REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SOFTWARE AT ALS 5.0.2 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 30804 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 48.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 200 DATA REDUNDANCY : 10.00 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07900 REMARK 200 FOR THE DATA SET : 32.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.00 REMARK 200 R MERGE FOR SHELL (I) : 0.51300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: COMBINED MAD AND SIRAS REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.66 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% POLYETHYLENE GLYCOL 8000, 0.2 M REMARK 280 AMMONIUM SULFATE, 100 MM MES BUFFER WITH 10 FOLD MOLAR EXCESS OF REMARK 280 INHIBITOR, PH 6.4, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298.0K, PH 6.40 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 63 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/2 REMARK 290 6555 X-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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 20.18950 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 20.18950 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 20.18950 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 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 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 180 REMARK 465 PRO A 181 REMARK 465 ASN A 182 REMARK 465 GLY A 183 REMARK 465 GLN A 184 REMARK 465 THR A 185 REMARK 465 LYS A 186 REMARK 465 PRO A 187 REMARK 465 LEU A 404 REMARK 465 THR A 405 REMARK 465 GLY A 406 REMARK 465 GLU A 407 REMARK 465 LYS A 408 REMARK 465 GLY A 409 REMARK 465 VAL A 410 REMARK 465 ARG A 411 REMARK 465 VAL A 412 REMARK 465 GLU A 413 REMARK 465 LEU A 414 REMARK 465 ASN A 415 REMARK 465 LYS A 416 REMARK 465 PRO A 417 REMARK 465 HIS A 418 REMARK 465 HIS A 419 REMARK 465 HIS A 420 REMARK 465 HIS A 421 REMARK 465 HIS A 422 REMARK 465 HIS A 423 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 TYR A 197 -57.26 -136.57 REMARK 500 LYS A 244 -26.52 -37.41 REMARK 500 SER A 245 -159.97 -66.37 REMARK 500 SER A 247 -86.20 47.19 REMARK 500 PHE A 346 79.10 -116.26 REMARK 500 GLU A 348 -126.51 47.99 REMARK 500 ALA A 351 -72.54 -57.70 REMARK 500 ASP A 369 -167.15 -78.51 REMARK 500 LYS A 402 -29.97 -165.78 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 FE2 A 501 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 313 NE2 REMARK 620 2 ASP A 315 OD1 89.4 REMARK 620 3 HIS A 374 NE2 85.6 91.3 REMARK 620 4 HOH A 601 O 175.4 87.1 97.5 REMARK 620 5 4HG A 801 O3 100.3 169.6 85.9 83.4 REMARK 620 6 4HG A 801 N1 88.5 107.6 160.1 89.7 76.5 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FE2 A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 4HG A 801 DBREF 2G19 A 180 417 UNP Q9GZT9 EGLN1_HUMAN 181 418 SEQADV 2G19 HIS A 418 UNP Q9GZT9 EXPRESSION TAG SEQADV 2G19 HIS A 419 UNP Q9GZT9 EXPRESSION TAG SEQADV 2G19 HIS A 420 UNP Q9GZT9 EXPRESSION TAG SEQADV 2G19 HIS A 421 UNP Q9GZT9 EXPRESSION TAG SEQADV 2G19 HIS A 422 UNP Q9GZT9 EXPRESSION TAG SEQADV 2G19 HIS A 423 UNP Q9GZT9 EXPRESSION TAG SEQRES 1 A 244 MET PRO ASN GLY GLN THR LYS PRO LEU PRO ALA LEU LYS SEQRES 2 A 244 LEU ALA LEU GLU TYR ILE VAL PRO CYS MET ASN LYS HIS SEQRES 3 A 244 GLY ILE CYS VAL VAL ASP ASP PHE LEU GLY LYS GLU THR SEQRES 4 A 244 GLY GLN GLN ILE GLY ASP GLU VAL ARG ALA LEU HIS ASP SEQRES 5 A 244 THR GLY LYS PHE THR ASP GLY GLN LEU VAL SER GLN LYS SEQRES 6 A 244 SER ASP SER SER LYS ASP ILE ARG GLY ASP LYS ILE THR SEQRES 7 A 244 TRP ILE GLU GLY LYS GLU PRO GLY CYS GLU THR ILE GLY SEQRES 8 A 244 LEU LEU MET SER SER MET ASP ASP LEU ILE ARG HIS CYS SEQRES 9 A 244 ASN GLY LYS LEU GLY SER TYR LYS ILE ASN GLY ARG THR SEQRES 10 A 244 LYS ALA MET VAL ALA CYS TYR PRO GLY ASN GLY THR GLY SEQRES 11 A 244 TYR VAL ARG HIS VAL ASP ASN PRO ASN GLY ASP GLY ARG SEQRES 12 A 244 CYS VAL THR CYS ILE TYR TYR LEU ASN LYS ASP TRP ASP SEQRES 13 A 244 ALA LYS VAL SER GLY GLY ILE LEU ARG ILE PHE PRO GLU SEQRES 14 A 244 GLY LYS ALA GLN PHE ALA ASP ILE GLU PRO LYS PHE ASP SEQRES 15 A 244 ARG LEU LEU PHE PHE TRP SER ASP ARG ARG ASN PRO HIS SEQRES 16 A 244 GLU VAL GLN PRO ALA TYR ALA THR ARG TYR ALA ILE THR SEQRES 17 A 244 VAL TRP TYR PHE ASP ALA ASP GLU ARG ALA ARG ALA LYS SEQRES 18 A 244 VAL LYS TYR LEU THR GLY GLU LYS GLY VAL ARG VAL GLU SEQRES 19 A 244 LEU ASN LYS PRO HIS HIS HIS HIS HIS HIS HET FE2 A 501 1 HET 4HG A 801 19 HETNAM FE2 FE (II) ION HETNAM 4HG N-[(4-HYDROXY-8-IODOISOQUINOLIN-3-YL)CARBONYL]GLYCINE FORMUL 2 FE2 FE 2+ FORMUL 3 4HG C12 H9 I N2 O4 FORMUL 4 HOH *135(H2 O) HELIX 1 1 PRO A 189 TYR A 197 1 9 HELIX 2 2 TYR A 197 GLY A 206 1 10 HELIX 3 3 GLY A 215 THR A 232 1 18 HELIX 4 4 ASP A 246 ASP A 250 5 5 HELIX 5 5 CYS A 266 ASN A 284 1 19 HELIX 6 6 ASP A 335 GLY A 340 1 6 HELIX 7 7 ALA A 393 LYS A 400 1 8 SHEET 1 A 6 ILE A 207 VAL A 210 0 SHEET 2 A 6 ARG A 362 TRP A 367 -1 O LEU A 363 N VAL A 210 SHEET 3 A 6 ARG A 322 TYR A 329 -1 N THR A 325 O PHE A 366 SHEET 4 A 6 ARG A 383 ASP A 392 -1 O TYR A 390 N CYS A 323 SHEET 5 A 6 ALA A 298 TYR A 303 -1 N MET A 299 O THR A 387 SHEET 6 A 6 LYS A 255 ILE A 259 -1 N THR A 257 O VAL A 300 SHEET 1 B 5 ILE A 207 VAL A 210 0 SHEET 2 B 5 ARG A 362 TRP A 367 -1 O LEU A 363 N VAL A 210 SHEET 3 B 5 ARG A 322 TYR A 329 -1 N THR A 325 O PHE A 366 SHEET 4 B 5 ARG A 383 ASP A 392 -1 O TYR A 390 N CYS A 323 SHEET 5 B 5 ILE A 292 ARG A 295 -1 N GLY A 294 O PHE A 391 SHEET 1 C 2 LEU A 240 SER A 242 0 SHEET 2 C 2 ILE A 251 ARG A 252 -1 O ILE A 251 N VAL A 241 SHEET 1 D 4 TYR A 310 HIS A 313 0 SHEET 2 D 4 HIS A 374 VAL A 376 -1 O HIS A 374 N HIS A 313 SHEET 3 D 4 LEU A 343 ILE A 345 -1 N ARG A 344 O GLU A 375 SHEET 4 D 4 ALA A 354 ILE A 356 -1 O ALA A 354 N ILE A 345 LINK NE2 HIS A 313 FE FE2 A 501 1555 1555 2.17 LINK OD1 ASP A 315 FE FE2 A 501 1555 1555 2.17 LINK NE2 HIS A 374 FE FE2 A 501 1555 1555 2.18 LINK FE FE2 A 501 O HOH A 601 1555 1555 2.09 LINK FE FE2 A 501 O3 4HG A 801 1555 1555 2.15 LINK FE FE2 A 501 N1 4HG A 801 1555 1555 2.19 SITE 1 AC1 5 HIS A 313 ASP A 315 HIS A 374 HOH A 601 SITE 2 AC1 5 4HG A 801 SITE 1 AC2 18 ASP A 254 ILE A 256 MET A 299 TYR A 303 SITE 2 AC2 18 TYR A 310 HIS A 313 ASP A 315 TYR A 329 SITE 3 AC2 18 LEU A 343 HIS A 374 VAL A 376 ARG A 383 SITE 4 AC2 18 ARG A 398 FE2 A 501 HOH A 601 HOH A 602 SITE 5 AC2 18 HOH A 617 HOH A 653 CRYST1 110.851 110.851 40.379 90.00 90.00 120.00 P 63 6 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 0.009021 0.005208 0.000000 0.00000 SCALE2 0.000000 0.010417 0.000000 0.00000 SCALE3 0.000000 0.000000 0.024765 0.00000