HEADER OXIDOREDUCTASE 02-JUL-20 6XN6 TITLE SCOE WITH THE CABA SUBSTRATE BOUND AND HIS299 AND ARG157 FLIPPED OUT COMPND MOL_ID: 1; COMPND 2 MOLECULE: SCOE PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES COERULEORUBIDUS; SOURCE 3 ORGANISM_TAXID: 116188; SOURCE 4 GENE: SCOE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 511693 KEYWDS ISONITRILE FORMATION MONONUCLEAR IRON DIOXYGENASE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR R.JONNALAGADDA,C.L.DRENNAN REVDAT 4 18-OCT-23 6XN6 1 REMARK REVDAT 3 14-JUL-21 6XN6 1 JRNL REVDAT 2 13-JAN-21 6XN6 1 JRNL REVDAT 1 06-JAN-21 6XN6 0 JRNL AUTH R.JONNALAGADDA,A.DEL RIO FLORES,W.CAI,R.MEHMOOD, JRNL AUTH 2 M.NARAYANAMOORTHY,C.REN,J.P.T.ZARAGOZA,H.J.KULIK,W.ZHANG, JRNL AUTH 3 C.L.DRENNAN JRNL TITL BIOCHEMICAL AND CRYSTALLOGRAPHIC INVESTIGATIONS INTO JRNL TITL 2 ISONITRILE FORMATION BY A NONHEME IRON-DEPENDENT JRNL TITL 3 OXIDASE/DECARBOXYLASE. JRNL REF J.BIOL.CHEM. V. 296 00231 2021 JRNL REFN ESSN 1083-351X JRNL PMID 33361191 JRNL DOI 10.1074/JBC.RA120.015932 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.14_3260 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) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 49.84 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 36855 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.440 REMARK 3 FREE R VALUE TEST SET COUNT : 2373 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 49.8410 - 4.3737 1.00 2242 156 0.1579 0.1690 REMARK 3 2 4.3737 - 3.4718 1.00 2097 144 0.1375 0.1623 REMARK 3 3 3.4718 - 3.0330 1.00 2077 141 0.1614 0.2012 REMARK 3 4 3.0330 - 2.7557 1.00 2050 140 0.1759 0.1877 REMARK 3 5 2.7557 - 2.5582 1.00 2042 142 0.1660 0.2144 REMARK 3 6 2.5582 - 2.4074 1.00 2026 141 0.1583 0.1914 REMARK 3 7 2.4074 - 2.2868 1.00 2011 137 0.1609 0.1933 REMARK 3 8 2.2868 - 2.1873 1.00 2018 141 0.1523 0.2083 REMARK 3 9 2.1873 - 2.1031 1.00 1996 137 0.1649 0.2084 REMARK 3 10 2.1031 - 2.0305 1.00 2007 137 0.1671 0.2101 REMARK 3 11 2.0305 - 1.9670 1.00 1997 133 0.1733 0.2009 REMARK 3 12 1.9670 - 1.9108 1.00 1994 140 0.1731 0.1986 REMARK 3 13 1.9108 - 1.8605 1.00 2002 140 0.1846 0.2336 REMARK 3 14 1.8605 - 1.8151 1.00 1998 136 0.2117 0.2630 REMARK 3 15 1.8151 - 1.7738 1.00 1967 135 0.2267 0.2568 REMARK 3 16 1.7738 - 1.7361 1.00 1985 137 0.2572 0.2846 REMARK 3 17 1.7361 - 1.7014 0.99 1973 136 0.2915 0.3286 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) : 17.860 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.21 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 : 0.006 2485 REMARK 3 ANGLE : 0.806 3385 REMARK 3 CHIRALITY : 0.057 367 REMARK 3 PLANARITY : 0.006 451 REMARK 3 DIHEDRAL : 6.275 2025 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 6XN6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-JUL-20. REMARK 100 THE DEPOSITION ID IS D_1000250127. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 17-FEB-19 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 : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 36859 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 49.841 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 12.90 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 15.9000 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) : 1.80 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: 6DCH REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 205 MM SODIUM ACETATE, 100 MM TRIS PH REMARK 280 8.5, 24% (W/V) PEG 4000, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 297K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -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 -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 83.57700 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 31.04500 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 31.04500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 125.36550 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 31.04500 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 31.04500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 41.78850 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 31.04500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 31.04500 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 125.36550 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 31.04500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 31.04500 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 41.78850 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 83.57700 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 1 REMARK 465 LYS A 2 REMARK 465 GLU A 3 REMARK 465 THR A 4 REMARK 465 ALA A 5 REMARK 465 ALA A 6 REMARK 465 ALA A 7 REMARK 465 LYS A 8 REMARK 465 PHE A 9 REMARK 465 GLU A 10 REMARK 465 ARG A 11 REMARK 465 GLN A 12 REMARK 465 HIS A 13 REMARK 465 MET A 14 REMARK 465 ASP A 15 REMARK 465 SER A 16 REMARK 465 PRO A 17 REMARK 465 ASP A 18 REMARK 465 LEU A 19 REMARK 465 GLY A 20 REMARK 465 THR A 21 REMARK 465 GLY A 22 REMARK 465 GLY A 23 REMARK 465 GLY A 24 REMARK 465 SER A 25 REMARK 465 GLY A 26 REMARK 465 ILE A 27 REMARK 465 GLN A 324 REMARK 465 ALA A 325 REMARK 465 ALA A 326 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 GLU A 28 CG CD OE1 OE2 REMARK 470 ARG A 30 CG CD NE CZ NH1 NH2 REMARK 470 GLN A 32 CD OE1 NE2 REMARK 470 PRO A 37 CG CD REMARK 470 ASN A 39 CG OD1 ND2 REMARK 470 ASN A 118 CG OD1 ND2 REMARK 470 LYS A 120 CD CE NZ REMARK 470 LYS A 126 CE NZ REMARK 470 LYS A 155 CG CD CE NZ REMARK 470 ARG A 170 NE CZ NH1 NH2 REMARK 470 GLU A 208 CD OE1 OE2 REMARK 470 LYS A 249 CG CD CE NZ REMARK 470 GLU A 253 CD OE1 OE2 REMARK 470 LYS A 257 CD CE NZ REMARK 470 ASP A 273 CG OD1 OD2 REMARK 470 ASP A 321 CG OD1 OD2 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 OE1 GLU A 254 O HOH A 501 2.10 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 ARG A 30 -11.64 -147.21 REMARK 500 LYS A 69 -38.69 77.76 REMARK 500 LYS A 155 -62.29 -96.99 REMARK 500 ASP A 315 -157.88 -96.51 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 405 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 132 NE2 REMARK 620 2 ASP A 134 OD1 94.3 REMARK 620 3 HIS A 295 NE2 86.8 92.7 REMARK 620 4 ACT A 403 OXT 94.9 170.8 88.0 REMARK 620 5 HOH A 551 O 176.3 85.7 89.6 85.0 REMARK 620 6 HOH A 606 O 96.2 92.8 173.5 86.0 87.5 REMARK 620 N 1 2 3 4 5 DBREF1 6XN6 A 1 326 UNP A0A3B6UEU3_STRC4 DBREF2 6XN6 A A0A3B6UEU3 1 326 SEQRES 1 A 326 MET LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS SEQRES 2 A 326 MET ASP SER PRO ASP LEU GLY THR GLY GLY GLY SER GLY SEQRES 3 A 326 ILE GLU GLY ARG MET GLN ILE ASP GLU GLN PRO GLY ASN SEQRES 4 A 326 ALA ILE GLY ALA ALA VAL GLU GLY PHE ASP HIS ALA THR SEQRES 5 A 326 ALA SER ASP ALA ASP ILE ASP ALA LEU LYS SER THR ILE SEQRES 6 A 326 TYR THR LYS LYS ILE ALA VAL LEU LYS GLY GLN ASP LEU SEQRES 7 A 326 SER PRO GLN GLN PHE LEU ALA LEU GLY LYS ARG LEU GLY SEQRES 8 A 326 ARG PRO GLU ALA TYR TYR GLU PRO MET TYR GLN HIS PRO SEQRES 9 A 326 GLU VAL THR GLU ILE PHE VAL SER SER ASN VAL PRO GLU SEQRES 10 A 326 ASN GLY LYS GLN ILE GLY VAL PRO LYS THR GLY LYS PHE SEQRES 11 A 326 TRP HIS ALA ASP TYR GLN PHE MET PRO ASP PRO PHE GLY SEQRES 12 A 326 ILE THR LEU ILE TYR PRO GLN VAL ILE PRO GLU LYS ASN SEQRES 13 A 326 ARG GLY THR TYR PHE ILE ASP MET GLY ARG ALA TYR ASP SEQRES 14 A 326 ARG LEU PRO GLU ASP LEU LYS LYS GLU ILE SER GLY THR SEQRES 15 A 326 TYR CYS ARG HIS SER VAL ARG LYS TYR PHE LYS ILE ARG SEQRES 16 A 326 PRO HIS ASP VAL TYR ARG PRO ILE SER GLU ILE ILE GLU SEQRES 17 A 326 GLU VAL GLU ARG LYS THR PRO ALA VAL VAL GLN PRO THR SEQRES 18 A 326 THR PHE THR HIS PRO MET THR GLY GLU THR VAL LEU TYR SEQRES 19 A 326 ILE SER GLU GLY PHE THR VAL GLY ILE GLU ASP GLN ASP SEQRES 20 A 326 GLY LYS PRO LEU ASP GLU GLU LEU LEU LYS ARG LEU PHE SEQRES 21 A 326 ASP ALA THR GLY GLN LEU ASP GLU SER PHE GLU HIS ASP SEQRES 22 A 326 ASN ILE HIS LEU GLN SER PHE GLU GLN GLY ASP LEU LEU SEQRES 23 A 326 VAL TRP ASP ASN ARG SER LEU ILE HIS ARG ALA ARG HIS SEQRES 24 A 326 THR THR THR PRO GLU PRO THR VAL SER TYR ARG VAL THR SEQRES 25 A 326 VAL HIS ASP GLU ARG LYS LEU HIS ASP GLY ILE GLN ALA SEQRES 26 A 326 ALA HET 7UC A 401 11 HET ACT A 402 4 HET ACT A 403 4 HET ACT A 404 4 HET FE2 A 405 1 HET CL A 406 1 HETNAM 7UC (3~{R})-3-(2-HYDROXY-2-OXOETHYLAMINO)BUTANOIC ACID HETNAM ACT ACETATE ION HETNAM FE2 FE (II) ION HETNAM CL CHLORIDE ION FORMUL 2 7UC C6 H11 N O4 FORMUL 3 ACT 3(C2 H3 O2 1-) FORMUL 6 FE2 FE 2+ FORMUL 7 CL CL 1- FORMUL 8 HOH *172(H2 O) HELIX 1 AA1 SER A 54 LYS A 69 1 16 HELIX 2 AA2 SER A 79 GLY A 91 1 13 HELIX 3 AA3 GLU A 98 GLN A 102 5 5 HELIX 4 AA4 MET A 164 LEU A 171 1 8 HELIX 5 AA5 PRO A 172 SER A 180 1 9 HELIX 6 AA6 ARG A 195 VAL A 199 5 5 HELIX 7 AA7 PRO A 202 THR A 214 1 13 HELIX 8 AA8 GLU A 253 THR A 263 1 11 SHEET 1 AA1 7 GLN A 32 GLU A 35 0 SHEET 2 AA1 7 ALA A 43 GLU A 46 -1 O ALA A 44 N ASP A 34 SHEET 3 AA1 7 ILE A 70 LEU A 73 1 O VAL A 72 N ALA A 43 SHEET 4 AA1 7 LEU A 285 ASP A 289 -1 O VAL A 287 N ALA A 71 SHEET 5 AA1 7 ILE A 144 VAL A 151 -1 N ILE A 147 O LEU A 286 SHEET 6 AA1 7 VAL A 307 HIS A 314 -1 O VAL A 307 N GLN A 150 SHEET 7 AA1 7 ARG A 92 PRO A 93 -1 N ARG A 92 O HIS A 314 SHEET 1 AA2 7 GLN A 32 GLU A 35 0 SHEET 2 AA2 7 ALA A 43 GLU A 46 -1 O ALA A 44 N ASP A 34 SHEET 3 AA2 7 ILE A 70 LEU A 73 1 O VAL A 72 N ALA A 43 SHEET 4 AA2 7 LEU A 285 ASP A 289 -1 O VAL A 287 N ALA A 71 SHEET 5 AA2 7 ILE A 144 VAL A 151 -1 N ILE A 147 O LEU A 286 SHEET 6 AA2 7 VAL A 307 HIS A 314 -1 O VAL A 307 N GLN A 150 SHEET 7 AA2 7 PHE A 110 SER A 113 -1 N PHE A 110 O ARG A 310 SHEET 1 AA3 3 ILE A 275 GLN A 278 0 SHEET 2 AA3 3 THR A 159 ASP A 163 -1 N THR A 159 O GLN A 278 SHEET 3 AA3 3 LEU A 293 ALA A 297 -1 O ARG A 296 N TYR A 160 SHEET 1 AA4 4 VAL A 217 PRO A 220 0 SHEET 2 AA4 4 TYR A 183 HIS A 186 -1 N CYS A 184 O GLN A 219 SHEET 3 AA4 4 THR A 240 GLU A 244 -1 O GLY A 242 N ARG A 185 SHEET 4 AA4 4 PRO A 250 LEU A 251 -1 O LEU A 251 N ILE A 243 SHEET 1 AA5 2 THR A 222 THR A 224 0 SHEET 2 AA5 2 THR A 231 LEU A 233 -1 O VAL A 232 N PHE A 223 LINK NE2 HIS A 132 FE FE2 A 405 1555 1555 2.16 LINK OD1 ASP A 134 FE FE2 A 405 1555 1555 2.11 LINK NE2 HIS A 295 FE FE2 A 405 1555 1555 2.18 LINK OXT ACT A 403 FE FE2 A 405 1555 1555 2.15 LINK FE FE2 A 405 O HOH A 551 1555 1555 2.32 LINK FE FE2 A 405 O HOH A 606 1555 1555 2.20 CRYST1 62.090 62.090 167.154 90.00 90.00 90.00 P 43 21 2 8 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 0.016106 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016106 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005983 0.00000