HEADER OXIDOREDUCTASE 24-JAN-11 3QGP TITLE CRYSTAL STRUCTURE OF ISDI IN COMPLEX WITH HEME AND CYANIDE COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEME-DEGRADING MONOOXYGENASE ISDI; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HEME OXYGENASE, IRON-REGULATED SURFACE DETERMINANT ISDI, COMPND 5 IRON-RESPONSIVE SURFACE DETERMINANT ISDI; COMPND 6 EC: 1.14.99.3; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS SUBSP. AUREUS N315; SOURCE 3 ORGANISM_TAXID: 158879; SOURCE 4 STRAIN: N315; SOURCE 5 GENE: ISDI, SA0160; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID KEYWDS DIMERIC ALPHA+BETA, BARREL, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR G.N.UKPABI,M.E.P.MURPHY REVDAT 2 13-SEP-23 3QGP 1 REMARK SEQADV LINK REVDAT 1 20-JUL-11 3QGP 0 JRNL AUTH S.J.TAKAYAMA,G.N.UKPABI,M.E.P.MURPHY,A.G.MAUK JRNL TITL HEME RUFFLING ENABLES THE CATALYTIC ACTIVITY OF THE HEME JRNL TITL 2 DEGRADING ENZYME ISDI JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.87 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 25484 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) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.196 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1298 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.85 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1758 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.68 REMARK 3 BIN R VALUE (WORKING SET) : 0.2090 REMARK 3 BIN FREE R VALUE SET COUNT : 101 REMARK 3 BIN FREE R VALUE : 0.2490 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1834 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 92 REMARK 3 SOLVENT ATOMS : 252 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.09 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.07000 REMARK 3 B22 (A**2) : 0.03000 REMARK 3 B33 (A**2) : 0.04000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.110 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.069 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.170 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.952 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.942 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2053 ; 0.013 ; 0.023 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2798 ; 1.255 ; 2.057 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 236 ; 5.730 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 119 ;37.321 ;25.630 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 363 ;11.147 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;11.276 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 271 ; 0.083 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1628 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 1138 ; 0.751 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1843 ; 1.420 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 915 ; 2.030 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 951 ; 3.325 ; 4.500 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES: REFINED INDIVIDUALLY REMARK 4 REMARK 4 3QGP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-FEB-11. REMARK 100 THE DEPOSITION ID IS D_1000063622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-FEB-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97607 REMARK 200 MONOCHROMATOR : SIDE SCATTERING I-BEAM BENT REMARK 200 SINGLE CRYSTAL, ASYMMETRIC CUT REMARK 200 4.9650 DEG REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.15 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25604 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 43.871 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.07800 REMARK 200 FOR THE DATA SET : 16.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.90 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.37000 REMARK 200 R SYM FOR SHELL (I) : 0.37000 REMARK 200 FOR SHELL : 2.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: PDB ENTRY 3LGN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.31 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.58 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% W/V POLYETHYLENE GLYCOL 3350, 0.2 REMARK 280 M MGCL2, 0.1 M BIS-TRIS, PH 5.5, AND FLASH FROZEN WITH A REMARK 280 CRYOPROTECTANT OF 10% ETHYLENE GLYCOL, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 29.41000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.66500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.93000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.66500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.41000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.93000 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: 5970 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11350 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -66.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 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 FE HEM A 200 C CYN A 201 1.93 REMARK 500 FE HEM B 200 C CYN B 201 1.97 REMARK 500 OD2 ASP B 61 O HOH B 206 2.06 REMARK 500 O HOH B 144 O HOH B 145 2.19 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 GLN A 35 -52.67 -122.74 REMARK 500 ASP B 47 -117.04 -112.34 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 HEM A 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 76 NE2 REMARK 620 2 HEM A 200 NA 91.3 REMARK 620 3 HEM A 200 NB 89.8 88.8 REMARK 620 4 HEM A 200 NC 88.3 178.9 90.2 REMARK 620 5 HEM A 200 ND 91.3 90.8 178.9 90.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 HEM B 200 FE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 76 NE2 REMARK 620 2 HEM B 200 NA 91.8 REMARK 620 3 HEM B 200 NB 91.1 89.8 REMARK 620 4 HEM B 200 NC 89.4 178.7 89.7 REMARK 620 5 HEM B 200 ND 91.0 89.9 177.8 90.6 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 170 O REMARK 620 2 HOH B 249 O 92.6 REMARK 620 3 HOH B 251 O 89.1 86.2 REMARK 620 4 HOH B 252 O 100.0 98.0 169.7 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH B 211 O REMARK 620 2 HOH B 212 O 88.6 REMARK 620 3 HOH B 213 O 82.8 83.6 REMARK 620 4 HOH B 214 O 170.5 89.4 87.8 REMARK 620 5 HOH B 215 O 94.3 89.6 172.7 94.9 REMARK 620 6 HOH B 216 O 93.0 176.4 99.8 89.5 87.1 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 HEM A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HEM B 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CYN B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 301 DBREF 3QGP A 1 108 UNP Q7A827 ISDI_STAAN 1 108 DBREF 3QGP B 1 108 UNP Q7A827 ISDI_STAAN 1 108 SEQADV 3QGP ALA A -1 UNP Q7A827 EXPRESSION TAG SEQADV 3QGP HIS A 0 UNP Q7A827 EXPRESSION TAG SEQADV 3QGP ALA B -1 UNP Q7A827 EXPRESSION TAG SEQADV 3QGP HIS B 0 UNP Q7A827 EXPRESSION TAG SEQRES 1 A 110 ALA HIS MET PHE MET ALA GLU ASN ARG LEU GLN LEU GLN SEQRES 2 A 110 LYS GLY SER ALA GLU GLU THR ILE GLU ARG PHE TYR ASN SEQRES 3 A 110 ARG GLN GLY ILE GLU THR ILE GLU GLY PHE GLN GLN MET SEQRES 4 A 110 PHE VAL THR LYS THR LEU ASN THR GLU ASP THR ASP GLU SEQRES 5 A 110 VAL LYS ILE LEU THR ILE TRP GLU SER GLU ASP SER PHE SEQRES 6 A 110 ASN ASN TRP LEU ASN SER ASP VAL PHE LYS GLU ALA HIS SEQRES 7 A 110 LYS ASN VAL ARG LEU LYS SER ASP ASP ASP GLY GLN GLN SEQRES 8 A 110 SER PRO ILE LEU SER ASN LYS VAL PHE LYS TYR ASP ILE SEQRES 9 A 110 GLY TYR HIS TYR GLN LYS SEQRES 1 B 110 ALA HIS MET PHE MET ALA GLU ASN ARG LEU GLN LEU GLN SEQRES 2 B 110 LYS GLY SER ALA GLU GLU THR ILE GLU ARG PHE TYR ASN SEQRES 3 B 110 ARG GLN GLY ILE GLU THR ILE GLU GLY PHE GLN GLN MET SEQRES 4 B 110 PHE VAL THR LYS THR LEU ASN THR GLU ASP THR ASP GLU SEQRES 5 B 110 VAL LYS ILE LEU THR ILE TRP GLU SER GLU ASP SER PHE SEQRES 6 B 110 ASN ASN TRP LEU ASN SER ASP VAL PHE LYS GLU ALA HIS SEQRES 7 B 110 LYS ASN VAL ARG LEU LYS SER ASP ASP ASP GLY GLN GLN SEQRES 8 B 110 SER PRO ILE LEU SER ASN LYS VAL PHE LYS TYR ASP ILE SEQRES 9 B 110 GLY TYR HIS TYR GLN LYS HET HEM A 200 43 HET CYN A 201 2 HET HEM B 200 43 HET CYN B 201 2 HET MG B 300 1 HET MG B 301 1 HETNAM HEM PROTOPORPHYRIN IX CONTAINING FE HETNAM CYN CYANIDE ION HETNAM MG MAGNESIUM ION HETSYN HEM HEME FORMUL 3 HEM 2(C34 H32 FE N4 O4) FORMUL 4 CYN 2(C N 1-) FORMUL 7 MG 2(MG 2+) FORMUL 9 HOH *252(H2 O) HELIX 1 1 SER A 14 ARG A 21 1 8 HELIX 2 2 GLY A 27 ILE A 31 5 5 HELIX 3 3 SER A 59 ASN A 68 1 10 HELIX 4 4 SER A 69 LYS A 77 1 9 HELIX 5 5 SER B 14 GLU B 20 1 7 HELIX 6 6 ARG B 21 TYR B 23 5 3 HELIX 7 7 GLY B 27 ILE B 31 5 5 HELIX 8 8 SER B 59 ASN B 68 1 10 HELIX 9 9 SER B 69 LYS B 77 1 9 SHEET 1 A 9 PHE A 2 GLN A 11 0 SHEET 2 A 9 THR A 48 TRP A 57 -1 O VAL A 51 N LEU A 8 SHEET 3 A 9 PHE A 34 THR A 42 -1 N PHE A 38 O LEU A 54 SHEET 4 A 9 ILE B 92 GLN B 107 -1 O TYR B 104 N VAL A 39 SHEET 5 A 9 MET B 1 LEU B 10 -1 N GLU B 5 O PHE B 98 SHEET 6 A 9 ASP B 49 TRP B 57 -1 O VAL B 51 N LEU B 8 SHEET 7 A 9 PHE B 34 THR B 42 -1 N GLN B 36 O ILE B 56 SHEET 8 A 9 ILE A 92 GLN A 107 -1 N ASP A 101 O LYS B 41 SHEET 9 A 9 PHE A 2 GLN A 11 -1 N GLU A 5 O PHE A 98 LINK NE2 HIS A 76 FE HEM A 200 1555 1555 2.06 LINK NE2 HIS B 76 FE HEM B 200 1555 1555 2.06 LINK O HOH B 170 MG MG B 301 1555 1555 2.15 LINK O HOH B 211 MG MG B 300 1555 1555 2.04 LINK O HOH B 212 MG MG B 300 1555 1555 2.07 LINK O HOH B 213 MG MG B 300 1555 1555 2.20 LINK O HOH B 214 MG MG B 300 1555 1555 2.08 LINK O HOH B 215 MG MG B 300 1555 1555 2.12 LINK O HOH B 216 MG MG B 300 1555 1555 2.01 LINK O HOH B 249 MG MG B 301 1555 1555 2.25 LINK O HOH B 251 MG MG B 301 1555 1555 2.14 LINK O HOH B 252 MG MG B 301 1555 1555 2.10 SITE 1 AC1 18 ASN A 6 ARG A 21 PHE A 22 ARG A 25 SITE 2 AC1 18 GLN A 26 GLY A 27 ILE A 28 ILE A 53 SITE 3 AC1 18 THR A 55 TRP A 66 HIS A 76 VAL A 79 SITE 4 AC1 18 ASN A 95 VAL A 97 HOH A 147 HOH A 148 SITE 5 AC1 18 HOH A 154 CYN A 201 SITE 1 AC2 4 ASN A 6 PHE A 22 ILE A 53 HEM A 200 SITE 1 AC3 19 ASN B 6 ARG B 21 PHE B 22 ARG B 25 SITE 2 AC3 19 GLN B 26 GLY B 27 ILE B 28 ILE B 53 SITE 3 AC3 19 THR B 55 TRP B 66 ALA B 75 HIS B 76 SITE 4 AC3 19 VAL B 79 ASN B 95 VAL B 97 HOH B 123 SITE 5 AC3 19 CYN B 201 HOH B 233 HOH B 235 SITE 1 AC4 4 ASN B 6 PHE B 22 ILE B 53 HEM B 200 SITE 1 AC5 6 HOH B 211 HOH B 212 HOH B 213 HOH B 214 SITE 2 AC5 6 HOH B 215 HOH B 216 SITE 1 AC6 4 HOH B 170 HOH B 249 HOH B 251 HOH B 252 CRYST1 58.820 65.860 69.330 90.00 90.00 90.00 P 21 21 21 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 0.017001 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015184 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014424 0.00000