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- PDB-1h6m: Covalent glycosyl-enzyme intermediate of hen egg white lysozyme -

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Entry
Database: PDB / ID: 1h6m
TitleCovalent glycosyl-enzyme intermediate of hen egg white lysozyme
ComponentsLYSOZYME C
KeywordsHYDROLASE / GLYCOSIDE HYDROLASE / COVALENT INTERMEDIATE
Function / homology
Function and homology information


Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism / defense response to Gram-positive bacterium ...Lactose synthesis / Antimicrobial peptides / Neutrophil degranulation / beta-N-acetylglucosaminidase activity / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to Gram-negative bacterium / killing of cells of another organism / defense response to Gram-positive bacterium / defense response to bacterium / endoplasmic reticulum / extracellular space / identical protein binding / cytoplasm
Similarity search - Function
Lysozyme - #10 / Glycoside hydrolase, family 22, lysozyme / Glycoside hydrolase family 22 domain / Glycosyl hydrolases family 22 (GH22) domain signature. / Glycoside hydrolase, family 22 / C-type lysozyme/alpha-lactalbumin family / Glycosyl hydrolases family 22 (GH22) domain profile. / Alpha-lactalbumin / lysozyme C / Lysozyme / Lysozyme-like domain superfamily ...Lysozyme - #10 / Glycoside hydrolase, family 22, lysozyme / Glycoside hydrolase family 22 domain / Glycosyl hydrolases family 22 (GH22) domain signature. / Glycoside hydrolase, family 22 / C-type lysozyme/alpha-lactalbumin family / Glycosyl hydrolases family 22 (GH22) domain profile. / Alpha-lactalbumin / lysozyme C / Lysozyme / Lysozyme-like domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
Biological speciesGALLUS GALLUS (chicken)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.64 Å
AuthorsVocadlo, D.J. / Davies, G.J. / Laine, R. / Withers, S.G.
Citation
Journal: Nature / Year: 2001
Title: Catalysis by Hen Egg-White Lysozyme Proceeds Via a Covalent Intermediate
Authors: Vocadlo, D.J. / Davies, G.J. / Laine, R. / Withers, S.G.
#1: Journal: J.Mol.Biol. / Year: 1991
Title: Lysozyme Revisited: Crystallographic Evidence for Distortion of an N-Acetylmuramic Residue Bound in Subsite D
Authors: Strydnaka, N.C.J. / James, M.N.G.
#2: Journal: Proc.Natl.Acad.Sci.USA / Year: 1989
Title: Site Directed Mutagenesis of the Catalytic Residues Asp-52 and Glu-35 of Chicken Egg White Lysozyme
Authors: Malcolm, B.A. / Rosenberg, S. / Corey, M.J. / Allen, J.S. / Debaetselier, A. / Kirsch, J.F.
#3: Journal: Nature / Year: 1965
Title: Structure of Hen Egg-White Lysozyme: A Three Dimensional Fourier Analysis at 2.0A Resolution
Authors: Blake, C.C.F. / Koenig, D.F. / Mair, G.A. / North, A.C.T. / Phillips, D.C. / Sarma, V.R.
History
DepositionJun 19, 2001Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 30, 2001Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 13, 2019Group: Data collection / Derived calculations ...Data collection / Derived calculations / Experimental preparation / Other
Category: exptl_crystal_grow / pdbx_database_proc ...exptl_crystal_grow / pdbx_database_proc / pdbx_database_status / pdbx_struct_special_symmetry / struct_biol / struct_conn
Item: _exptl_crystal_grow.method / _exptl_crystal_grow.temp ..._exptl_crystal_grow.method / _exptl_crystal_grow.temp / _pdbx_database_status.recvd_author_approval / _struct_conn.pdbx_leaving_atom_flag
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Other / Structure summary
Category: atom_site / atom_site_anisotrop ...atom_site / atom_site_anisotrop / chem_comp / entity / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_database_status / 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_struct_special_symmetry / 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.occupancy / _atom_site.type_symbol / _atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] / _atom_site_anisotrop.U[1][3] / _atom_site_anisotrop.U[2][2] / _atom_site_anisotrop.U[2][3] / _atom_site_anisotrop.U[3][3] / _atom_site_anisotrop.pdbx_auth_asym_id / _atom_site_anisotrop.pdbx_auth_atom_id / _atom_site_anisotrop.pdbx_auth_comp_id / _atom_site_anisotrop.pdbx_auth_seq_id / _atom_site_anisotrop.pdbx_label_asym_id / _atom_site_anisotrop.pdbx_label_atom_id / _atom_site_anisotrop.pdbx_label_comp_id / _atom_site_anisotrop.type_symbol / _chem_comp.name / _chem_comp.type / _pdbx_database_status.status_code_sf / _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_label_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_struct_special_symmetry.label_asym_id / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _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 2.1May 1, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag
Revision 3.0Oct 1, 2025Group: Advisory / Atomic model ...Advisory / Atomic model / Data collection / Derived calculations / Structure summary
Category: atom_site / atom_site_anisotrop ...atom_site / atom_site_anisotrop / pdbx_entry_details / pdbx_modification_feature / pdbx_nonpoly_scheme / pdbx_struct_conn_angle / pdbx_struct_special_symmetry / pdbx_validate_close_contact / struct_conn
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_seq_id / _atom_site.occupancy / _atom_site_anisotrop.U[1][1] / _atom_site_anisotrop.U[1][2] / _atom_site_anisotrop.U[1][3] / _atom_site_anisotrop.U[2][2] / _atom_site_anisotrop.U[2][3] / _atom_site_anisotrop.U[3][3] / _atom_site_anisotrop.pdbx_auth_seq_id / _pdbx_entry_details.has_protein_modification / _pdbx_nonpoly_scheme.auth_seq_num / _pdbx_nonpoly_scheme.pdb_seq_num / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.value / _pdbx_struct_special_symmetry.auth_seq_id / _pdbx_validate_close_contact.auth_seq_id_1 / _pdbx_validate_close_contact.auth_seq_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: LYSOZYME C
hetero molecules


Theoretical massNumber of molelcules
Total (without water)14,7393
Polymers14,3301
Non-polymers4082
Water3,693205
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)78.632, 78.632, 36.700
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-325-

HOH

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Components

#1: Protein LYSOZYME C / 1 / 4-BETA-N-ACETYLMURAMIDASE C / ALLERGEN GAL D 4 / GAL D IV


Mass: 14330.176 Da / Num. of mol.: 1 / Mutation: YES
Source method: isolated from a genetically manipulated source
Details: COVALENT 2-FLUOROCHITOBIOSYL ENZYME INTERMEDIATE / Source: (gene. exp.) GALLUS GALLUS (chicken) / Description: HEN EGG WHITE / Plasmid: PCL1 / Production host: SACCHAROMYCES CEREVISIAE (brewer's yeast) / Strain (production host): GRF180 / References: UniProt: P00698, lysozyme
#2: Polysaccharide 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-deoxy-2-fluoro-alpha-D-glucopyranose


Type: oligosaccharide / Mass: 385.340 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
DescriptorTypeProgram
WURCS=2.0/2,2,1/[a2122h-1a_1-5_2*F][a2122h-1b_1-5_2*NCC/3=O]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][D-1-deoxy-Glcp2fluoro]{[(4+1)][b-D-GlcpNAc]{}}LINUCSPDB-CARE
#3: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Na
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 205 / Source method: isolated from a natural source / Formula: H2O
Compound detailsCHAIN A ENGINEERED MUTATION GLU53GLN
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: 1.9 Å3/Da / Density % sol: 39.8 %
Crystal growTemperature: 289 K / Method: vapor diffusion, hanging drop / pH: 4.8
Details: CRYSTALS OF THE HEWL COVALENT INTERMEDIATE WERE GROWN BY THE HANGING-DROPLET VAPOUR DIFFUSION METHOD OVER 4 DAYS AT 16 C. THE DROPLET CONTAINED 2.5 UL OF A SOLUTION OF 7.5 MG/ML HEWL(E35Q), ...Details: CRYSTALS OF THE HEWL COVALENT INTERMEDIATE WERE GROWN BY THE HANGING-DROPLET VAPOUR DIFFUSION METHOD OVER 4 DAYS AT 16 C. THE DROPLET CONTAINED 2.5 UL OF A SOLUTION OF 7.5 MG/ML HEWL(E35Q), 20 MM NAG2FGLCF, 200 MM SODIUM ACETATE (NAOAC) BUFFER PH 5.0 AND 2.5 UL OF RESERVOIR SOLUTION (200MM) NAOAC, CONTAINING 4.0 % NACL (W/V), PH 4.5 WAS SUSPENDED OVER THE RESERVOIR SOLUTION.
Crystal grow
*PLUS
Temperature: 16 ℃ / pH: 5 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
17.5 mg/mlprotein1drop
220 mMNAG2FGlcF1drop
3200 mMsodium acetate1drop
4200 mMsodium acetate1reservoir
54.0 %(w/v)1reservoirNaCl

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: RAXIS / Detector: IMAGE PLATE / Date: Jun 15, 2000 / Details: OSMIC MIRRORS
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.64→20 Å / Num. obs: 14536 / % possible obs: 99.3 % / Redundancy: 5.2 % / Rmerge(I) obs: 0.05 / Net I/σ(I): 25
Reflection shellResolution: 1.64→1.7 Å / Redundancy: 2.5 % / Rmerge(I) obs: 0.19 / Mean I/σ(I) obs: 4.6 / % possible all: 96.3

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Processing

Software
NameVersionClassification
REFMAC5refinement
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: REFINED COORDINATES FOR APO STRUCTURE E35Q MUTANT

Resolution: 1.64→18 Å / Cor.coef. Fo:Fc: 0.962 / Cor.coef. Fo:Fc free: 0.943 / SU B: 4.771 / SU ML: 0.068 / Cross valid method: THROUGHOUT / ESU R: 0.196 / ESU R Free: 0.111 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS
RfactorNum. reflection% reflectionSelection details
Rfree0.222 738 5.1 %RANDOM
Rwork0.17 ---
obs0.172 13781 99.3 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK
Refinement stepCycle: LAST / Resolution: 1.64→18 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1001 0 26 205 1232
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0130.0211063
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg
X-RAY DIFFRACTIONr_angle_other_deg1.8231.9071449
X-RAY DIFFRACTIONr_dihedral_angle_1_deg
X-RAY DIFFRACTIONr_dihedral_angle_2_deg
X-RAY DIFFRACTIONr_dihedral_angle_3_deg
X-RAY DIFFRACTIONr_dihedral_angle_4_deg
X-RAY DIFFRACTIONr_chiral_restr0.1350.2161
X-RAY DIFFRACTIONr_gen_planes_refined0.0070.02814
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.2370.3543
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.2310.5128
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined0.08903
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.2150.330
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2070.532
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.8252639
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.82231021
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it2.6632424
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it4.1993428
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: 1.64→1.68 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.261 60
Rwork0.234 949
Software
*PLUS
Name: REFMAC / Version: 5 / Classification: refinement
Refinement
*PLUS
Rfactor Rwork: 0.1695
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONp_bond_d0.013
X-RAY DIFFRACTIONp_angle_d
X-RAY DIFFRACTIONp_angle_deg1.5
LS refinement shell
*PLUS
Highest resolution: 1.64 Å / Lowest resolution: 1.682 Å / Num. reflection Rwork: 949

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