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- PDB-3gc1: Crystal structure of bovine lactoperoxidase -

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Basic information

Entry
Database: PDB / ID: 3gc1
TitleCrystal structure of bovine lactoperoxidase
ComponentsLactoperoxidase
KeywordsOXIDOREDUCTASE / Peroxidase / Heme / Antibiotic / Antimicrobial / Cleavage on pair of basic residues / Glycoprotein / Hydrogen peroxide / Iron / Metal-binding / Secreted
Function / homology
Function and homology information


Events associated with phagocytolytic activity of PMN cells / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / peroxidase activity / hydrogen peroxide catabolic process / antibacterial humoral response / response to oxidative stress / defense response to bacterium / calcium ion binding ...Events associated with phagocytolytic activity of PMN cells / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / peroxidase activity / hydrogen peroxide catabolic process / antibacterial humoral response / response to oxidative stress / defense response to bacterium / calcium ion binding / heme binding / extracellular space / 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
PROTOPORPHYRIN IX CONTAINING FE / IODIDE ION / THIOCYANATE ION / Lactoperoxidase
Similarity search - Component
Biological speciesBos taurus (cattle)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsSingh, A.K. / Singh, N. / Sinha, M. / Kaur, P. / Srinivasan, A. / Sharma, S. / Singh, T.P.
CitationJournal: J.Biol.Chem. / Year: 2010
Title: Mode of binding of the tuberculosis prodrug isoniazid to heme peroxidases: binding studies and crystal structure of bovine lactoperoxidase with isoniazid at 2.7 A resolution.
Authors: Singh, A.K. / Kumar, R.P. / Pandey, N. / Singh, N. / Sinha, M. / Bhushan, A. / Kaur, P. / Sharma, S. / Singh, T.P.
History
DepositionFeb 21, 2009Deposition site: RCSB / Processing site: PDBJ
Revision 1.0Mar 31, 2009Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / database_PDB_caveat / 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 / pdbx_validate_chiral / struct_asym / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_asym_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _atom_site.label_entity_id / _atom_site.type_symbol / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _pdbx_struct_assembly_gen.asym_id_list / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _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
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Nov 1, 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

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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)71,47815
Polymers67,8531
Non-polymers3,62514
Water5,332296
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)53.650, 80.710, 75.680
Angle α, β, γ (deg.)90.00, 101.75, 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: UNP residues 118-712 / Source method: isolated from a natural source / Source: (natural) Bos taurus (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)][a-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 , 5 types, 306 molecules

#4: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME / Heme B


Mass: 616.487 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#5: Chemical ChemComp-CA / CALCIUM ION


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


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


Mass: 126.904 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: I
#8: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 296 / Source method: isolated from a natural source / Formula: H2O

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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: 2.36 Å3/Da / Density % sol: 47.97 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 6.8
Details: Ammonium Iodide, PEG3350, pH6.8, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 291 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.54312 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Jun 20, 2008 / Details: Mirror
RadiationMonochromator: graphite / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.54312 Å / Relative weight: 1
ReflectionResolution: 2.5→25 Å / Num. all: 20984 / Num. obs: 20977 / % possible obs: 95.2 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 63.7 Å2
Reflection shellResolution: 2.5→2.59 Å / % possible all: 85.8

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Processing

Software
NameVersionClassification
MAR345dtbdata collection
AMoREphasing
CNS0.9refinement
AUTOMARdata reduction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 3ERI

3eri


Resolution: 2.5→24.97 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 33741.32 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.268 1224 5.8 %RANDOM
Rwork0.247 ---
obs0.247 20970 95.3 %-
all-20984 --
Solvent computationSolvent model: FLAT MODEL / Bsol: 79.8601 Å2 / ksol: 0.34981 e/Å3
Displacement parametersBiso mean: 51.7 Å2
Baniso -1Baniso -2Baniso -3
1--1.6 Å20 Å24.8 Å2
2---21.5 Å20 Å2
3---23.1 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.41 Å0.36 Å
Luzzati d res low-5 Å
Luzzati sigma a0.37 Å0.37 Å
Refinement stepCycle: LAST / Resolution: 2.5→24.97 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4774 0 188 296 5258
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.012
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg2.4
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d25.5
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.67
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.861.5
X-RAY DIFFRACTIONc_mcangle_it3.022
X-RAY DIFFRACTIONc_scbond_it4.772
X-RAY DIFFRACTIONc_scangle_it4.392.5
LS refinement shellResolution: 2.5→2.59 Å / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rwork0.286 0 -
obs--85.8 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramion.top
X-RAY DIFFRACTION3water_rep.paramwater.top
X-RAY DIFFRACTION4all.paramall.top
X-RAY DIFFRACTION5carbohydrate.paramcarbohydrate.top

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