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- PDB-2eha: Crystal structure of goat lactoperoxidase complexed with formate ... -

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Basic information

Entry
Database: PDB / ID: 2eha
TitleCrystal structure of goat lactoperoxidase complexed with formate anion at 3.3 A resolution
ComponentsLactoperoxidase
KeywordsOXIDOREDUCTASE / anti-microbail
Function / homology
Function and homology information


thiocyanate catabolic process / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / detection of chemical stimulus involved in sensory perception of bitter taste / antifungal humoral response / hydrogen peroxide catabolic process / peroxidase activity / response to oxidative stress / antibacterial humoral response ...thiocyanate catabolic process / thiocyanate peroxidase activity / lactoperoxidase activity / peroxidase / detection of chemical stimulus involved in sensory perception of bitter taste / antifungal humoral response / hydrogen peroxide catabolic process / peroxidase activity / response to oxidative stress / antibacterial humoral response / basolateral plasma membrane / heme binding / calcium ion binding / extracellular region / cytoplasm
Similarity search - Function
: / Lactoperoxidase-like, N-terminal domain / 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
CARBONATE ION / FORMIC ACID / PROTOPORPHYRIN IX CONTAINING FE / 1-(OXIDOSULFANYL)METHANAMINE / THIOCYANATE ION / Lactoperoxidase / Lactoperoxidase
Similarity search - Component
Biological speciesCapra hircus (goat)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 3.3 Å
AuthorsSingh, A.K. / Ethayathulla, A.S. / Singh, N. / Sharma, S. / Kaur, P. / Singh, T.P.
CitationJournal: to be published
Title: Crystal structure of goat lactoperoxidase complexed with formate anion at 3.3 A resolution
Authors: Singh, A.K. / Ethayathulla, A.S. / Singh, N. / Sharma, S. / Bhushan, A. / Kaur, P. / Singh, T.P.
History
DepositionMar 6, 2007Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Apr 24, 2007Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 2.0Jul 29, 2020Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / 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 / pdbx_validate_close_contact / struct_asym / struct_conn / struct_conn_type / 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.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_asym_id / _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_asym_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_asym_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 / _pdbx_validate_close_contact.auth_asym_id_1 / _pdbx_validate_close_contact.auth_asym_id_2 / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2 / _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_type.id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Oct 25, 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 2.2Nov 20, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature
Revision 2.3Aug 12, 2026Group: 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
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
B: Lactoperoxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)141,18222
Polymers135,0602
Non-polymers6,12320
Water3,837213
1
A: Lactoperoxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)70,58111
Polymers67,5301
Non-polymers3,05110
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: Lactoperoxidase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)70,60211
Polymers67,5301
Non-polymers3,07210
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)57.991, 72.272, 83.652
Angle α, β, γ (deg.)85.45, 84.04, 75.89
Int Tables number1
Space group name H-MP1

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Components

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Protein , 1 types, 2 molecules AB

#1: Protein Lactoperoxidase


Mass: 67529.781 Da / Num. of mol.: 2 / Fragment: RESIDUES 1-595 / Source method: isolated from a natural source / Source: (natural) Capra hircus (goat) / Secretion: Milk
References: UniProt: A3F9D6, UniProt: A0A452E9Y6*PLUS, peroxidase

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Sugars , 3 types, 8 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.: 3
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 beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta- ...beta-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.: 3
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
DManpb1-4DGlcpNAcb1-4DGlcpNAcb1-Glycam Condensed SequenceGMML 1.0
WURCS=2.0/2,3,2/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5]/1-1-2/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{}}}}LINUCSPDB-CARE
#4: 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 , 7 types, 225 molecules

#5: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#6: Chemical ChemComp-CO3 / CARBONATE ION


Mass: 60.009 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CO3
#7: Chemical ChemComp-SCN / THIOCYANATE ION


Mass: 58.082 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: CNS
#8: Chemical ChemComp-HEM / PROTOPORPHYRIN IX CONTAINING FE / HEME


Mass: 616.487 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C34H32FeN4O4
#9: Chemical
ChemComp-FMT / FORMIC ACID


Mass: 46.025 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: CH2O2
#10: Chemical ChemComp-OSM / 1-(OXIDOSULFANYL)METHANAMINE


Mass: 79.122 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: CH5NOS
#11: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 213 / 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: 2.5 Å3/Da / Density % sol: 50.77 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7.2
Details: 100MM TRIS-HCL, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: MAR scanner 345 mm plate / Detector: IMAGE PLATE / Date: Oct 10, 2006 / Details: MIRROR
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 3.3→20 Å / Num. all: 19500 / Num. obs: 18591 / % possible obs: 94.8 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Rsym value: 0.115 / Net I/σ(I): 1.8
Reflection shellResolution: 3.3→3.4 Å / Mean I/σ(I) obs: 4.4 / Rsym value: 0.232 / % possible all: 97

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Processing

Software
NameVersionClassification
DENZOdata reduction
AMoREphasing
CNS1.1refinement
AUTOMARdata reduction
SCALEPACKdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 2OJV

2ojv


Resolution: 3.3→20 Å / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.237 909 RANDOM
Rwork0.196 --
all0.197 19500 -
obs0.196 18591 -
Displacement parametersBiso mean: 9.1 Å2
Baniso -1Baniso -2Baniso -3
1--2.66 Å2-6.44 Å28.49 Å2
2---1.24 Å20.39 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.32 Å0.25 Å
Luzzati d res low-5 Å
Luzzati sigma a0.27 Å0.27 Å
Refinement stepCycle: LAST / Resolution: 3.3→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9506 0 405 213 10124
LS refinement shellResolution: 3.3→3.51 Å / Rfactor Rfree error: 0.019
RfactorNum. reflection
Rfree0.236 160
Rwork0.199 -
obs-3017

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