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- PDB-104l: HOW AMINO-ACID INSERTIONS ARE ALLOWED IN AN ALPHA-HELIX OF T4 LYSOZYME -

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Basic information

Entry
Database: PDB / ID: 104l
TitleHOW AMINO-ACID INSERTIONS ARE ALLOWED IN AN ALPHA-HELIX OF T4 LYSOZYME
ComponentsT4 LYSOZYME
KeywordsHYDROLASE(O-GLYCOSYL)
Function / homology
Function and homology information


cytolysis by virus of host cell / peptidoglycan catabolic process / cell wall macromolecule catabolic process / lysozyme / lysozyme activity / cytolysis / host cell cytoplasm / defense response to bacterium
T4-type lysozyme / Glycoside hydrolase, family 24 / Lysozyme-like domain superfamily / Endolysin T4 type / Phage lysozyme
Endolysin
Biological speciesEnterobacteria phage T4 (bacteriophage)
MethodX-RAY DIFFRACTION / Resolution: 2.8 Å
AuthorsHeinz, D.W. / Matthews, B.W.
CitationJournal: Nature / Year: 1993
Title: How amino-acid insertions are allowed in an alpha-helix of T4 lysozyme.
Authors: Heinz, D.W. / Baase, W.A. / Dahlquist, F.W. / Matthews, B.W.
Validation Report
SummaryFull reportAbout validation report
History
DepositionSep 29, 1992-
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
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
B: T4 LYSOZYME


Theoretical massNumber of molelcules
Total (without water)37,5412
Polymers37,5412
Non-polymers00
Water57632
1
A: T4 LYSOZYME


Theoretical massNumber of molelcules
Total (without water)18,7711
Polymers18,7711
Non-polymers00
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
2
B: T4 LYSOZYME


Theoretical massNumber of molelcules
Total (without water)18,7711
Polymers18,7711
Non-polymers00
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
γ
α
β
Length a, b, c (Å)172.100, 172.100, 80.000
Angle α, β, γ (deg.)90.00, 90.00, 120.00
Int Tables number155
Space group name H-MH32
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.

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Components

#1: Protein/peptide T4 LYSOZYME


Mass: 18770.520 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Enterobacteria phage T4 (bacteriophage)
Genus: T4-like viruses / Species: Enterobacteria phage T4 sensu lato / Plasmid: M13 / References: UniProt: P00720
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 32 / Source method: isolated from a natural source / Formula: H2O / Water

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 3.04 Å3/Da / Density % sol: 59.49 %
Crystal grow
*PLUS
pH: 6.7 / Method: batch method
Components of the solutions
*PLUS

Crystal-ID: 1 / Sol-ID: 1

IDConc.Common nameChemical formula
120 mg/mlprotein
20.55 MNaCl
314 mMmercaptoethanol
41 mMMgCl2
50.01 Msodium phospahte
62.2 MNaH2PO4
71.8 MK2HPO4

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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: 0.175 / Highest resolution: 2.8 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: 2.8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2604 0 0 32 2636
Refine LS restraints
Refinement-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.018
X-RAY DIFFRACTIONt_angle_deg2.7
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
Software
*PLUS
Name: TNT / Classification: refinement
Refinement
*PLUS
Rfactor obs: 0.175
Refine LS restraints
*PLUS
Type: t_angle_d

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