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- PDB-5sx3: Crystal structure of the catalase-peroxidase KatG of B. pseudomaa... -

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Basic information

Entry
Database: PDB / ID: 5sx3
TitleCrystal structure of the catalase-peroxidase KatG of B. pseudomaallei at pH 4.5
ComponentsCatalase-peroxidase
KeywordsOXIDOREDUCTASE / catalase-peroxidase / KatG / pH changes
Function / homology
Function and homology information


catalase-peroxidase / catalase activity / hydrogen peroxide catabolic process / cellular response to hydrogen peroxide / heme binding / metal ion binding / cytosol
Similarity search - Function
Catalase-peroxidase haem / Peroxidase; domain 2 / Peroxidase, domain 2 / Peroxidase; domain 1 - #10 / Peroxidases heam-ligand binding site / Peroxidase, active site / Peroxidases active site signature. / Plant heme peroxidase family profile. / Haem peroxidase / Peroxidase ...Catalase-peroxidase haem / Peroxidase; domain 2 / Peroxidase, domain 2 / Peroxidase; domain 1 - #10 / Peroxidases heam-ligand binding site / Peroxidase, active site / Peroxidases active site signature. / Plant heme peroxidase family profile. / Haem peroxidase / Peroxidase / Peroxidase; domain 1 / Peroxidases proximal heme-ligand signature. / Haem peroxidase superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / OXYGEN MOLECULE / Catalase-peroxidase
Similarity search - Component
Biological speciesBurkholderia pseudomallei (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsLoewen, P.C.
Funding support Canada, 1items
OrganizationGrant numberCountry
Natural Sciences and Engineering Research Council (NSERC, Canada)D9600 Canada
CitationJournal: Biochemistry / Year: 2006
Title: Roles for Arg426 and Trp111 in the modulation of NADH oxidase activity of the catalase-peroxidase KatG from Burkholderia pseudomallei inferred from pH-induced structural changes.
Authors: Carpena, X. / Wiseman, B. / Deemagarn, T. / Herguedas, B. / Ivancich, A. / Singh, R. / Loewen, P.C. / Fita, I.
History
DepositionAug 9, 2016Deposition site: RCSB / Processing site: RCSB
SupersessionAug 31, 2016ID: 2FXG
Revision 1.0Aug 31, 2016Provider: repository / Type: Initial release
Revision 1.1Sep 27, 2017Group: Author supporting evidence / Derived calculations / Structure summary
Category: pdbx_audit_support / pdbx_struct_oper_list / struct_keywords
Item: _pdbx_audit_support.funding_organization / _pdbx_struct_oper_list.symmetry_operation / _struct_keywords.pdbx_keywords
Revision 1.2Jan 8, 2020Group: Author supporting evidence / Category: pdbx_audit_support / Item: _pdbx_audit_support.funding_organization
Revision 1.3Oct 4, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id / _struct_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id
Revision 1.4Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Catalase-peroxidase
B: Catalase-peroxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)160,96114
Polymers159,0742
Non-polymers1,88712
Water24,5541363
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area11490 Å2
ΔGint-154 kcal/mol
Surface area50530 Å2
MethodPISA
Unit cell
Length a, b, c (Å)101.049, 114.847, 174.704
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B

NCS domain segments:

Component-ID: _ / Ens-ID: 1 / Beg auth comp-ID: GLY / Beg label comp-ID: GLY / End auth comp-ID: ALA / End label comp-ID: ALA / Refine code: _ / Auth seq-ID: 36 - 748 / Label seq-ID: 16 - 728

Dom-IDAuth asym-IDLabel asym-ID
1AA
2BB

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Catalase-peroxidase / CP / Peroxidase/catalase


Mass: 79536.984 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Burkholderia pseudomallei (strain 1710b) (bacteria)
Strain: 1710b / Gene: katG, BURPS1710b_3366 / Production host: Escherichia coli (E. coli) / References: UniProt: Q3JNW6, catalase-peroxidase

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Non-polymers , 6 types, 1375 molecules

#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#4: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#5: Chemical ChemComp-OXY / OXYGEN MOLECULE


Mass: 31.999 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: O2
#6: Chemical
ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL


Mass: 118.174 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#7: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1363 / Source method: isolated from a natural source / Formula: H2O

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Details

Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 3.19 Å3/Da / Density % sol: 61.4 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / Details: 16-20% PEG, 20% MPD, pH 5.6 0.1 M sodium citrate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: ESRF / Beamline: ID14-2 / Wavelength: 0.933 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Jul 3, 2005
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.933 Å / Relative weight: 1
ReflectionResolution: 2→95.97 Å / Num. obs: 128889 / % possible obs: 98.8 % / Redundancy: 3.6 % / Rmerge(I) obs: 0.075 / Net I/σ(I): 10.8
Reflection shellResolution: 2→2.07 Å / Redundancy: 3 % / Rmerge(I) obs: 0.545 / Net I/σ(I) obs: 1.91 / % possible all: 89.4

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Processing

Software
NameVersionClassification
REFMAC5.8.0155refinement
PDB_EXTRACT3.2data extraction
DENZOdata reduction
SCALEPACKdata scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1MWV

1mwv
PDB Unreleased entry


Resolution: 2→20 Å / Cor.coef. Fo:Fc: 0.968 / Cor.coef. Fo:Fc free: 0.953 / SU B: 7.532 / SU ML: 0.105 / SU R Cruickshank DPI: 0.132 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.132 / ESU R Free: 0.125
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES : WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.1956 6790 5 %RANDOM
Rwork0.1615 ---
obs0.1632 128889 98.66 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å
Displacement parametersBiso max: 128.37 Å2 / Biso mean: 33.424 Å2 / Biso min: 16.91 Å2
Baniso -1Baniso -2Baniso -3
1-0.92 Å20 Å20 Å2
2---1.35 Å20 Å2
3---0.43 Å2
Refinement stepCycle: final / Resolution: 2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms11010 0 126 1363 12499
Biso mean--35.76 39.57 -
Num. residues----1426
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.01911515
X-RAY DIFFRACTIONr_bond_other_d0.0020.0210696
X-RAY DIFFRACTIONr_angle_refined_deg2.0031.94715679
X-RAY DIFFRACTIONr_angle_other_deg1.119324512
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.15551436
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.29823.711547
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.021151760
X-RAY DIFFRACTIONr_dihedral_angle_4_deg17.6241588
X-RAY DIFFRACTIONr_chiral_restr0.1310.21659
X-RAY DIFFRACTIONr_gen_planes_refined0.0130.02113326
X-RAY DIFFRACTIONr_gen_planes_other0.010.022794
X-RAY DIFFRACTIONr_mcbond_it2.0432.3615714
X-RAY DIFFRACTIONr_mcbond_other2.0382.3595713
X-RAY DIFFRACTIONr_mcangle_it3.1243.5277142
Refine LS restraints NCS

Ens-ID: 1 / Number: 47104 / Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Rms dev position: 0.06 Å / Weight position: 0.05

Dom-IDAuth asym-ID
1A
2B
LS refinement shellResolution: 2→2.052 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.299 464 -
Rwork0.285 8507 -
all-8971 -
obs--89.02 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
10.01620.0003-0.02590.16570.12090.29960.0080.0107-0.02160.02060.0196-0.04580.03260.0387-0.02760.0090.0209-0.01270.1718-0.01310.0527-24.4921-61.9015-21.1819
20.1588-0.02170.0570.037-0.03770.1611-0.02950.00210.00590.0110.0438-0.0199-0.00590.042-0.01420.0121-0.0006-0.01760.1801-0.00940.0425-9.4749-33.08645.4888
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A36 - 806
2X-RAY DIFFRACTION2B36 - 806

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