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- PDB-3ab6: Crystal structure of NAG3 bound lysozyme from Meretrix lusoria -

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Basic information

Entry
Database: PDB / ID: 3ab6
TitleCrystal structure of NAG3 bound lysozyme from Meretrix lusoria
ComponentsLysozyme
KeywordsHYDROLASE / lysozyme / Meretrix lusoria / Antibiotic / Antimicrobial / Bacteriolytic enzyme / Glycosidase / Secreted
Function / homology
Function and homology information


chitinase activity / metabolic process / lysozyme / lysozyme activity / killing of cells of another organism / defense response to Gram-positive bacterium / extracellular region
Similarity search - Function
Invertebrate-type lysozyme / Destabilase / Invertebrate (I)-type lysozyme domain profile. / Lysozyme - #10 / Lysozyme / Lysozyme-like domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
triacetyl-beta-chitotriose / Lysozyme
Similarity search - Component
Biological speciesMeretrix lusoria (invertebrata)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.78 Å
AuthorsYoneda, K. / Kuwano, Y. / Araki, T.
CitationJournal: Acta Crystallogr.,Sect.F / Year: 2013
Title: The tertiary structure of an i-type lysozyme isolated from the common orient clam (Meretrix lusoria)
Authors: Kuwano, Y. / Yoneda, K. / Kawaguchi, Y. / Araki, T.
History
DepositionDec 1, 2009Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Dec 1, 2010Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 20, 2013Group: Database references
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / 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_molecule_features / pdbx_nonpoly_scheme / pdbx_struct_assembly_gen / pdbx_struct_special_symmetry / struct_asym / struct_conn / 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 / _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_special_symmetry.label_asym_id / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_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: Lysozyme
hetero molecules


Theoretical massNumber of molelcules
Total (without water)14,0122
Polymers13,3851
Non-polymers6281
Water3,333185
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)41.610, 41.610, 123.208
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Components on special symmetry positions
IDModelComponents
11A-169-

HOH

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Components

#1: Protein Lysozyme / 1 / 4-beta-N-acetylmuramidase


Mass: 13384.520 Da / Num. of mol.: 1 / Source method: isolated from a natural source / Source: (natural) Meretrix lusoria (invertebrata) / References: UniProt: P86383, lysozyme
#2: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2- ...2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose / triacetyl-beta-chitotriose


Type: oligosaccharide, Oligosaccharide / Class: Inhibitor / Mass: 627.594 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: triacetyl-beta-chitotriose
DescriptorTypeProgram
DGlcpNAcb1-4DGlcpNAcb1-4DGlcpNAcb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/1,3,2/[a2122h-1b_1-5_2*NCC/3=O]/1-1-1/a4-b1_b4-c1WURCSPDB2Glycan 1.1.0
[][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{}}}LINUCSPDB-CARE
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 185 / Source method: isolated from a natural source / Formula: H2O
Sequence details5TH RESIDUE IS THR IN THIS ENTRY, WHICH IS A NATURAL VARIANT REFERRED IN P86383 IN UNIPROT.

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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: 1.99 Å3/Da / Density % sol: 38.26 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 5.5
Details: 35% 2-propanol, 0.1M Citrate buffer (pH5.5), 5% PEG 1000, VAPOR DIFFUSION, SITTING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: BL-17A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 315 / Detector: CCD / Date: Jun 2, 2009
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 1.78→50 Å / Num. obs: 11004 / % possible obs: 99.2 % / Redundancy: 13.4 % / Biso Wilson estimate: 15.5 Å2 / Rsym value: 0.054 / Net I/σ(I): 23.1
Reflection shellResolution: 1.78→1.81 Å / Redundancy: 12.8 % / Mean I/σ(I) obs: 29.4 / Rsym value: 0.119 / % possible all: 87.3

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Processing

Software
NameVersionClassification
HKL-2000data collection
MOLREPphasing
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2DQA

2dqa


Resolution: 1.78→34.48 Å / Rfactor Rfree error: 0.006 / Occupancy max: 1 / Occupancy min: 0.5 / Data cutoff high absF: 1753067.02 / Data cutoff low absF: 0 / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.225 1126 10.2 %RANDOM
Rwork0.202 ---
obs0.202 11001 99.4 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 47.4758 Å2 / ksol: 0.449188 e/Å3
Displacement parametersBiso mean: 17.5 Å2
Baniso -1Baniso -2Baniso -3
1--0.25 Å20 Å20 Å2
2---0.25 Å20 Å2
3---0.499 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.2 Å0.21 Å
Luzzati d res low-5 Å
Luzzati sigma a-0.06 Å
Refinement stepCycle: LAST / Resolution: 1.78→34.48 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms925 0 43 185 1153
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.004
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_deg1.5
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d21.7
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.58
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.8591.5
X-RAY DIFFRACTIONc_mcangle_it2.6332
X-RAY DIFFRACTIONc_scbond_it4.5543
X-RAY DIFFRACTIONc_scangle_it6.2284.5
LS refinement shellResolution: 1.78→1.89 Å / Rfactor Rfree error: 0.015 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.213 172 9.9 %
Rwork0.211 1567 -
obs--96.7 %

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