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- PDB-217l: STRUCTURAL BASIS OF ALPHA-HELIX PROPENSITY AT TWO SITES IN T4 LYSOZYME -

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Basic information

Entry
Database: PDB / ID: 217l
TitleSTRUCTURAL BASIS OF ALPHA-HELIX PROPENSITY AT TWO SITES IN T4 LYSOZYME
ComponentsT4 LYSOZYME
KeywordsHYDROLASE(O-GLYCOSYL)
Function / homology
Function and homology information


viral release from host cell by cytolysis / peptidoglycan catabolic process / cytolysis / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / defense response to bacterium / host cell cytoplasm
Similarity search - Function
Lysozyme - #40 / Endolysin T4 type / T4-type lysozyme / Glycoside hydrolase, family 24 / Lysozyme domain superfamily / Phage lysozyme / Lysozyme / Lysozyme-like domain superfamily / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
BETA-MERCAPTOETHANOL / Endolysin
Similarity search - Component
Biological speciesEnterobacteria phage T4 (unknown)
MethodX-RAY DIFFRACTION / Resolution: 1.7 Å
AuthorsBlaber, M. / Matthews, B.W.
Citation
Journal: Science / Year: 1993
Title: Structural basis of amino acid alpha helix propensity.
Authors: Blaber, M. / Zhang, X.J. / Matthews, B.W.
#1: Journal: Science / Year: 1989
Title: Control of Enzyme Activity by an Engineered Disulfide Bond
Authors: Matsumura, M. / Matthews, B.W.
#2: 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
DepositionApr 27, 1993Processing site: BNL
Revision 1.0Oct 31, 1993Provider: 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
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

Downloads & links

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Assembly

Deposited unit
A: T4 LYSOZYME
hetero molecules


Theoretical massNumber of molelcules
Total (without water)18,9405
Polymers18,6701
Non-polymers2704
Water3,189177
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)60.900, 60.900, 96.400
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number154
Space group name H-MP3221
Atom site foot note1: 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.
2: SEO 900 IS BONDED TO ANOTHER SEO FROM A DIFFERENT ASYMMETRIC UNIT.
3: SEO 901 FORMS AN S-S LINKAGE TO SEO 902.
Components on special symmetry positions
IDModelComponents
11A-363-

HOH

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Components

#1: Protein T4 LYSOZYME


Mass: 18670.398 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Enterobacteria phage T4 (unknown) / Genus: T4-like viruses / Species: Enterobacteria phage T4 sensu lato / Plasmid: M13 / References: UniProt: P00720, lysozyme
#2: Chemical ChemComp-CL / CHLORIDE ION / Chloride


Mass: 35.453 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Cl
#3: Chemical ChemComp-BME / BETA-MERCAPTOETHANOL / 2-Mercaptoethanol


Mass: 78.133 Da / Num. of mol.: 3 / Source method: obtained synthetically / Formula: C2H6OS
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 177 / 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: 2.76 Å3/Da / Density % sol: 55.49 %
Crystal grow
*PLUS
Method: unknown / pH: 6.7
Details: S. Dao-pin, (1990) Proteins Struct. Funct. Gen., 7, 198.
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
11.05 M11K2HPO4
21.26 M11NaH2PO4
30.23 M11NaCl
41.4 mMbeta-mercaptoethanol11

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1

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Processing

SoftwareName: TNT / Classification: refinement
RefinementRfactor obs: 0.151 / Highest resolution: 1.7 Å
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.
Refinement stepCycle: LAST / Highest resolution: 1.7 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1295 0 13 177 1485
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.018
X-RAY DIFFRACTIONt_angle_deg2.1
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
Refinement
*PLUS
Highest resolution: 1.7 Å / Rfactor obs: 0.151
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDType
X-RAY DIFFRACTIONt_angle_d
X-RAY DIFFRACTIONt_angle_deg

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