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- PDB-2x07: cytochrome c peroxidase: engineered ascorbate binding site -

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Basic information

Entry
Database: PDB / ID: 2x07
Titlecytochrome c peroxidase: engineered ascorbate binding site
ComponentsCytochrome c peroxidase, mitochondrial
KeywordsOXIDOREDUCTASE / METAL-BINDING
Function / homology
Function and homology information


cytochrome-c peroxidase / cytochrome-c peroxidase activity / hydrogen peroxide catabolic process / peroxidase activity / response to reactive oxygen species / mitochondrial intermembrane space / cellular response to oxidative stress / mitochondrial matrix / heme binding / mitochondrion / metal ion binding
Similarity search - Function
Class I peroxidase / Heme-binding peroxidase Ccp1-like / Peroxidase; domain 2 / Peroxidase, domain 2 / Peroxidase; domain 1 - #10 / Peroxidase; domain 1 / Peroxidases heam-ligand binding site / Peroxidase, active site / Peroxidases active site signature. / Plant heme peroxidase family profile. ...Class I peroxidase / Heme-binding peroxidase Ccp1-like / Peroxidase; domain 2 / Peroxidase, domain 2 / Peroxidase; domain 1 - #10 / Peroxidase; domain 1 / Peroxidases heam-ligand binding site / Peroxidase, active site / Peroxidases active site signature. / Plant heme peroxidase family profile. / Haem peroxidase / Peroxidase / Peroxidases proximal heme-ligand signature. / Haem peroxidase superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
PROTOPORPHYRIN IX CONTAINING FE / Cytochrome c peroxidase, mitochondrial
Similarity search - Component
Biological speciesSaccharomyces cerevisiae (brewer's yeast)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.86 Å
AuthorsMurphy, E.J. / Metcalfe, C.L. / Gumiero, A. / Raven, E.L. / Moody, P.C.E.
CitationJournal: Biochemistry / Year: 2008
Title: Engineering the substrate specificity and reactivity of a heme protein: creation of an ascorbate binding site in cytochrome c peroxidase.
Authors: Murphy, E.J. / Metcalfe, C.L. / Basran, J. / Moody, P.C. / Raven, E.L.
History
DepositionDec 7, 2009Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 10, 2010Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Jul 5, 2017Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.4Nov 7, 2018Group: Data collection / Database references ...Data collection / Database references / Source and taxonomy / Structure summary
Category: citation / citation_author ...citation / citation_author / entity / entity_name_com / entity_src_gen / entity_src_nat / struct_ref
Item: _citation.journal_id_ISSN / _citation.page_last ..._citation.journal_id_ISSN / _citation.page_last / _citation.pdbx_database_id_DOI / _citation.title / _citation_author.name / _entity.pdbx_description / _entity.src_method / _entity_name_com.name / _struct_ref.pdbx_align_begin / _struct_ref.pdbx_seq_one_letter_code
Revision 1.5Dec 20, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _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_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_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.6Sep 2, 2026Group: Derived calculations / Structure summary
Category: pdbx_entry_details / pdbx_modification_feature ...pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order
Item: _pdbx_entry_details.has_protein_modification / Description: Metalloprotein remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Cytochrome c peroxidase, mitochondrial
hetero molecules


Theoretical massNumber of molelcules
Total (without water)34,0272
Polymers33,4101
Non-polymers6161
Water2,270126
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)51.000, 74.490, 106.470
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein Cytochrome c peroxidase, mitochondrial / CCP


Mass: 33410.113 Da / Num. of mol.: 1 / Fragment: RESIDUES 69-361 / Mutation: YES
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Saccharomyces cerevisiae (brewer's yeast)
Gene: CCP1, CCP, CPO, YKR066C / Production host: Escherichia coli (E. coli) / References: UniProt: P00431, cytochrome-c peroxidase
#2: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 126 / Source method: isolated from a natural source / Formula: H2O
Compound detailsENGINEERED RESIDUE IN CHAIN A, TYR 103 TO ALA ENGINEERED RESIDUE IN CHAIN A, ASN 251 TO ARG ...ENGINEERED RESIDUE IN CHAIN A, TYR 103 TO ALA ENGINEERED RESIDUE IN CHAIN A, ASN 251 TO ARG ENGINEERED RESIDUE IN CHAIN A, TRP 258 TO PHE
Has protein modificationY

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 2

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Sample preparation

CrystalDensity Matthews: 3.02 Å3/Da / Density % sol: 59.24 % / Description: NONE
Crystal growpH: 6
Details: DIALYSIS AGAINST PHOSPHATE BUFFER 50 MM PH 6, MPD 30%

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH2R / Wavelength: 1.54
DetectorType: RIGAKU-MSC / Detector: IMAGE PLATE / Date: Jan 10, 2008 / Details: XENOCS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54 Å / Relative weight: 1
ReflectionResolution: 1.86→39.13 Å / Num. obs: 31259 / % possible obs: 90.4 % / Observed criterion σ(I): 2 / Redundancy: 3.8 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 18
Reflection shellResolution: 1.86→1.96 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 3.4 / % possible all: 92.3

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Processing

Software
NameVersionClassification
REFMAC5.5.0102refinement
MOSFLMdata reduction
SCALAdata scaling
CCP4phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2V23

2v23


Resolution: 1.86→36.84 Å / Cor.coef. Fo:Fc: 0.932 / Cor.coef. Fo:Fc free: 0.908 / SU B: 2.671 / SU ML: 0.082 / Cross valid method: THROUGHOUT / ESU R: 0.148 / ESU R Free: 0.14 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY.
RfactorNum. reflection% reflectionSelection details
Rfree0.24693 1553 5 %RANDOM
Rwork0.21179 ---
obs0.21357 29663 89.66 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.878 Å2
Baniso -1Baniso -2Baniso -3
1-0.03 Å20 Å20 Å2
2--0 Å20 Å2
3----0.03 Å2
Refinement stepCycle: LAST / Resolution: 1.86→36.84 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2317 0 43 126 2486
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0230.0222434
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.8651.9963319
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.3755292
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.13824.56125
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.27715365
X-RAY DIFFRACTIONr_dihedral_angle_4_deg26.111512
X-RAY DIFFRACTIONr_chiral_restr0.1430.2329
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0211949
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.131.51456
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.6922328
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.7753978
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it3.7674.5991
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 1.86→1.908 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.414 106 -
Rwork0.343 2227 -
obs--91.96 %

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