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- PDB-2pum: Crystal structure of bovine lactoperoxidase complex with catechol... -

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Basic information

Entry
Database: PDB / ID: 2pum
TitleCrystal structure of bovine lactoperoxidase complex with catechol and iodide at 2.7 A resolution
ComponentsLactoperoxidase
KeywordsOXIDOREDUCTASE / Heme / Anion Binding
Function / homology
Function and homology information


Events associated with phagocytolytic activity of PMN cells / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / detection of chemical stimulus involved in sensory perception of bitter taste / hydrogen peroxide catabolic process / peroxidase activity / response to oxidative stress / antibacterial humoral response / basolateral plasma membrane ...Events associated with phagocytolytic activity of PMN cells / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / detection of chemical stimulus involved in sensory perception of bitter taste / hydrogen peroxide catabolic process / peroxidase activity / response to oxidative stress / antibacterial humoral response / basolateral plasma membrane / defense response to bacterium / heme binding / calcium ion binding / : / cytoplasm
Similarity search - Function
Myeloperoxidase, subunit C / Haem peroxidase domain superfamily, animal type / Haem peroxidase, animal-type / Haem peroxidase domain superfamily, animal type / Animal haem peroxidase / Animal heme peroxidase superfamily profile. / Haem peroxidase superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
CATECHOL / PROTOPORPHYRIN IX CONTAINING FE / IODIDE ION / THIOCYANATE ION / Lactoperoxidase
Similarity search - Component
Biological speciesBos taurus (domestic cattle)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsSingh, A.K. / Singh, N. / Sharma, S. / Kaur, P. / Singh, T.P.
CitationJournal: To be Published
Title: Crystal structure of bovine lactoperoxidase complex with catechol and iodide at 2.7 A resolution
Authors: Singh, A.K. / Singh, N. / Sharma, S. / Kaur, P. / Singh, T.P.
History
DepositionMay 9, 2007Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 22, 2007Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_conn_angle / struct_asym / struct_conn / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _atom_site.auth_asym_id / _atom_site.auth_seq_id ..._atom_site.auth_asym_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_entity_id / _chem_comp.name / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.pdbx_number_of_molecules / _entity.type / _pdbx_struct_assembly_gen.asym_id_list / _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.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_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.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _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_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Aug 30, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 2.2Oct 30, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature
Revision 2.3Aug 12, 2026Group: Advisory / Derived calculations / Structure summary
Category: pdbx_modification_feature / pdbx_nonpoly_atom_coordination ...pdbx_modification_feature / pdbx_nonpoly_atom_coordination / pdbx_nonpoly_atom_coordination_sphere / pdbx_nonpoly_atom_coordination_sphere_order / pdbx_validate_close_contact / struct_conn
Item: _pdbx_modification_feature.auth_comp_id / _pdbx_modification_feature.auth_seq_id ..._pdbx_modification_feature.auth_comp_id / _pdbx_modification_feature.auth_seq_id / _pdbx_modification_feature.category / _pdbx_modification_feature.comp_id_linking_atom / _pdbx_modification_feature.label_asym_id / _pdbx_modification_feature.label_comp_id / _pdbx_modification_feature.label_seq_id / _pdbx_modification_feature.modified_residue_auth_comp_id / _pdbx_modification_feature.modified_residue_auth_seq_id / _pdbx_modification_feature.modified_residue_id / _pdbx_modification_feature.modified_residue_id_linking_atom / _pdbx_modification_feature.modified_residue_label_comp_id / _pdbx_modification_feature.modified_residue_label_seq_id / _pdbx_modification_feature.ref_comp_id / _pdbx_modification_feature.ref_pcm_id
Description: Metalloprotein remediation / Provider: repository / Type: Remediation

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Lactoperoxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)71,96919
Polymers67,8531
Non-polymers4,11618
Water5,062281
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)54.422, 80.489, 77.321
Angle α, β, γ (deg.)90.00, 102.60, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Lactoperoxidase / LPO


Mass: 67853.281 Da / Num. of mol.: 1 / Fragment: Lactoperoxidase / Source method: isolated from a natural source / Source: (natural) Bos taurus (domestic cattle) / References: UniProt: P80025, peroxidase

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Sugars , 2 types, 4 molecules

#2: Polysaccharide alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...alpha-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 586.542 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpa1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1a_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][a-D-Manp]{}}}}LINUCSPDB-CARE
#3: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose


Type: oligosaccharide / Mass: 424.401 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/1,2,1/[a2122h-1b_1-5_2*NCC/3=O]/1-1/a4-b1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE

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Non-polymers , 6 types, 295 molecules

#4: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Ca
#5: Chemical ChemComp-SCN / THIOCYANATE ION


Mass: 58.082 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: CNS
#6: Chemical
ChemComp-IOD / IODIDE ION


Mass: 126.904 Da / Num. of mol.: 10 / Source method: obtained synthetically / Formula: I
#7: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#8: Chemical ChemComp-CAQ / CATECHOL / 1,2-DIHYDROXYBENZENE


Mass: 110.111 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H6O2
#9: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 281 / 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: 2.43 Å3/Da / Density % sol: 49.47 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.8
Details: Tris-HCl, Ammonium Iodide, Catechol, pH 6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 292 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.54132 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Mar 5, 2007 / Details: Mirror
RadiationMonochromator: Graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54132 Å / Relative weight: 1
ReflectionResolution: 2.7→74.54 Å / Num. all: 17885 / Num. obs: 16961 / % possible obs: 99.4 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 2.7→2.8 Å / % possible all: 97.5

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Processing

Software
NameVersionClassification
REFMAC5refinement
MAR345dtbdata collection
DENZOdata reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2NQX

2nqx


Resolution: 2.7→24.93 Å / Cor.coef. Fo:Fc: 0.945 / Cor.coef. Fo:Fc free: 0.909 / SU B: 11.374 / SU ML: 0.233 / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / ESU R Free: 0.311 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.20283 912 5.1 %RANDOM
Rwork0.16463 ---
obs0.1666 16961 99.23 %-
all-17885 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Displacement parametersBiso mean: 41.896 Å2
Baniso -1Baniso -2Baniso -3
1--0.67 Å20 Å2-0.95 Å2
2---0.67 Å20 Å2
3---0.93 Å2
Refinement stepCycle: LAST / Resolution: 2.7→24.93 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4774 0 199 281 5254
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0160.0215120
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg2.0462.0096980
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4523596
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg22.13415895
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.1380.2751
X-RAY DIFFRACTIONr_gen_planes_refined0.0090.023891
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2650.32581
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1710.5429
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.1730.55
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2590.331
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2560.511
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.931.52980
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it1.75524814
X-RAY DIFFRACTIONr_scbond_it2.27132140
X-RAY DIFFRACTIONr_scangle_it3.8784.52165
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.7→2.77 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.274 66
Rwork0.223 1201

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