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- PDB-1ckh: T70V MUTANT HUMAN LYSOZYME -

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Basic information

Entry
Database: PDB / ID: 1ckh
TitleT70V MUTANT HUMAN LYSOZYME
ComponentsPROTEIN (LYSOZYME)
KeywordsHYDROLASE / STABILITY / HYDROGEN BOND
Function / homology
Function and homology information


antimicrobial humoral response / Antimicrobial peptides / metabolic process / specific granule lumen / azurophil granule lumen / tertiary granule lumen / lysozyme / lysozyme activity / killing of cells of another organism / defense response to Gram-negative bacterium ...antimicrobial humoral response / Antimicrobial peptides / metabolic process / specific granule lumen / azurophil granule lumen / tertiary granule lumen / lysozyme / lysozyme activity / killing of cells of another organism / defense response to Gram-negative bacterium / defense response to Gram-positive bacterium / defense response to bacterium / inflammatory response / Amyloid fiber formation / Neutrophil degranulation / extracellular space / extracellular exosome / extracellular region / identical protein binding
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 speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / OTHER / Resolution: 2 Å
AuthorsTakano, K. / Yamagata, Y. / Funahashi, J. / Yutani, K.
CitationJournal: Biochemistry / Year: 1999
Title: Contribution of intra- and intermolecular hydrogen bonds to the conformational stability of human lysozyme(,).
Authors: Takano, K. / Yamagata, Y. / Funahashi, J. / Hioki, Y. / Kuramitsu, S. / Yutani, K.
History
DepositionApr 22, 1999Deposition site: BNL / Processing site: RCSB
Revision 1.0Apr 30, 1999Provider: repository / Type: Initial release
Revision 1.1Apr 26, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 14, 2018Group: Database references / Category: struct_ref_seq_dif / Item: _struct_ref_seq_dif.details
Revision 1.4Dec 27, 2023Group: Data collection / Database references
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details
Revision 1.5Apr 3, 2024Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: PROTEIN (LYSOZYME)


Theoretical massNumber of molelcules
Total (without water)14,7191
Polymers14,7191
Non-polymers00
Water4,288238
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)56.500, 60.630, 32.560
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein PROTEIN (LYSOZYME)


Mass: 14718.721 Da / Num. of mol.: 1 / Mutation: T70V
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Description: SYNTHETIC GENE / Production host: Saccharomyces cerevisiae (brewer's yeast) / References: UniProt: P61626, lysozyme
#2: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 238 / 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: 1.89 Å3/Da / Density % sol: 35.07 %
Crystal growpH: 4.5 / Details: pH 4.5
Crystal grow
*PLUS
Method: vapor diffusion, hanging drop
Details: protein solution is mixed in a 1:1 ratio with well solution
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
110 mg/mlprotein1drop
22.5 M1reservoirNaCl
320 mMacetate1reservoir

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Mar 1, 1998
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.8→20 Å / Num. obs: 9394 / % possible obs: 86.6 % / Observed criterion σ(I): 1 / Redundancy: 2.8 % / Rmerge(I) obs: 0.071
Reflection shellResolution: 1.8→1.9 Å / Rmerge(I) obs: 0.168 / Mean I/σ(I) obs: 3.8 / % possible all: 74.6
Reflection
*PLUS
Num. measured all: 24020
Reflection shell
*PLUS
% possible obs: 74.6 %

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Processing

Software
NameVersionClassification
PROCESSdata collection
PROCESSdata reduction
X-PLORmodel building
X-PLOR3.1refinement
PROCESSdata scaling
X-PLORphasing
RefinementMethod to determine structure: OTHER
Starting model: WILD-TYPE OF HUMAN LYSOZYME

Resolution: 2→8 Å / σ(F): 3
RfactorNum. reflection% reflection
Rwork0.183 --
obs-6838 87.1 %
Refinement stepCycle: LAST / Resolution: 2→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1029 0 0 238 1267
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.01
X-RAY DIFFRACTIONx_bond_d_na
X-RAY DIFFRACTIONx_bond_d_prot
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_d_na
X-RAY DIFFRACTIONx_angle_d_prot
X-RAY DIFFRACTIONx_angle_deg1.572
X-RAY DIFFRACTIONx_angle_deg_na
X-RAY DIFFRACTIONx_angle_deg_prot
X-RAY DIFFRACTIONx_dihedral_angle_d23.96
X-RAY DIFFRACTIONx_dihedral_angle_d_na
X-RAY DIFFRACTIONx_dihedral_angle_d_prot
X-RAY DIFFRACTIONx_improper_angle_d1.389
X-RAY DIFFRACTIONx_improper_angle_d_na
X-RAY DIFFRACTIONx_improper_angle_d_prot
X-RAY DIFFRACTIONx_mcbond_it
X-RAY DIFFRACTIONx_mcangle_it
X-RAY DIFFRACTIONx_scbond_it
X-RAY DIFFRACTIONx_scangle_it
LS refinement shellResolution: 2→2.09 Å / Total num. of bins used: 8
RfactorNum. reflection% reflection
Rwork0.235 765 -
obs--79.1 %
Software
*PLUS
Name: X-PLOR / Version: 3.1 / Classification: refinement
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_dihedral_angle_d
X-RAY DIFFRACTIONx_dihedral_angle_deg23.96
X-RAY DIFFRACTIONx_improper_angle_d
X-RAY DIFFRACTIONx_improper_angle_deg1.389

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