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- PDB-162l: CONTROL OF ENZYME ACTIVITY BY AN ENGINEERED DISULFIDE BOND -

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Basic information

Entry
Database: PDB / ID: 162l
TitleCONTROL OF ENZYME ACTIVITY BY AN ENGINEERED DISULFIDE BOND
ComponentsT4 LYSOZYME
KeywordsHYDROLASE(O-GLYCOSYL)
Function / homology
Function and homology information


viral release from host cell by cytolysis / peptidoglycan catabolic process / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / host cell cytoplasm / defense response to bacterium
Similarity search - Function
Lysozyme - #40 / Endolysin T4 type / T4-type lysozyme / : / Glycoside hydrolase, family 24 / Phage lysozyme / Lysozyme domain superfamily / Lysozyme / Lysozyme-like domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
BETA-MERCAPTOETHANOL / Endolysin
Similarity search - Component
Biological speciesEnterobacteria phage T4 (virus)
MethodX-RAY DIFFRACTION / Resolution: 1.8 Å
AuthorsBlaber, M. / Matthews, B.W.
Citation
Journal: J.Mol.Biol. / Year: 1995
Title: Alanine scanning mutagenesis of the alpha-helix 115-123 of phage T4 lysozyme: effects on structure, stability and the binding of solvent.
Authors: Blaber, M. / Baase, W.A. / Gassner, N. / Matthews, B.W.
#1: Journal: J.Mol.Biol. / Year: 1987
Title: Structure of Bacteriophage T4 Lysozyme Refined at 1.7 Angstroms Resolution
Authors: Weaver, L.H. / Matthews, B.W.
History
DepositionJun 20, 1994Processing site: BNL
Revision 1.0Aug 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Feb 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_conn / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Remark 700SHEET THERE ARE SEVERAL SUBTLE ASPECTS OF THE SECONDARY STRUCTURE OF THIS MOLECULE WHICH CANNOT ...SHEET THERE ARE SEVERAL SUBTLE ASPECTS OF THE SECONDARY STRUCTURE OF THIS MOLECULE WHICH CANNOT CONVENIENTLY BE REPRESENTED IN THE HELIX AND SHEET RECORDS BELOW. THESE ASPECTS INFLUENCE THE REPRESENTATION OF HELIX 6 AND STRAND 3 OF SHEET *S1*. THE PAPER J.MOL.BIOL., V. 118, P. 81, 1978 SHOULD BE CONSULTED FOR THESE SUBTLETIES.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: T4 LYSOZYME
hetero molecules


Theoretical massNumber of molelcules
Total (without water)18,7985
Polymers18,5711
Non-polymers2274
Water2,396133
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)60.910, 60.910, 96.910
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221
Atom site foot note1: SEO 901 FORMS AN S-S LINKAGE TO SEO 902.

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Components

#1: Protein T4 LYSOZYME


Mass: 18571.311 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Enterobacteria phage T4 (virus) / Genus: T4-like viruses / Species: Enterobacteria phage T4 sensu lato / Plasmid: M13 / References: UniProt: P00720, lysozyme
#2: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-BME / BETA-MERCAPTOETHANOL


Mass: 78.133 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C2H6OS
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 133 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.79 Å3/Da / Density % sol: 55.98 %
Crystal grow
*PLUS
Method: other
Details: Eriksson, A.E., (1993) J. Mol. Biol., 229, 747., Nicholson, H., (1991) Biochemistry, 30, 9816.

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 1.8 Å / Num. all: 16727 / % possible obs: 81 % / Rmerge(I) obs: 0.03

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Processing

SoftwareName: TNT / Classification: refinement
RefinementResolution: 1.8→20 Å / σ(F): 2
Details: RESIDUES 162 - 164 IN WILD-TYPE AND ALL MUTANT LYSOZYMES ARE EXTREMELY MOBILE. THUS THE COORDINATES FOR THESE RESIDUES ARE VERY UNRELIABLE. THIS ENTRY DOES NOT INCLUDE RESIDUES 163 AND 164.
RfactorNum. reflection
obs0.153 16309
Refinement stepCycle: LAST / Resolution: 1.8→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1288 0 10 133 1431
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.015
X-RAY DIFFRACTIONt_angle_deg1.8
X-RAY DIFFRACTIONt_dihedral_angle_d
X-RAY DIFFRACTIONt_incorr_chiral_ct
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes
X-RAY DIFFRACTIONt_gen_planes
X-RAY DIFFRACTIONt_it
X-RAY DIFFRACTIONt_nbd

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