How to obtain the heart of the folded-tail fiber

Chromatin Fiber Folding Directed by Cooperative Histone Tail

For reference, adding LH to the entire fiber results in local condensation and loss of overall long-range contacts. These findings highlight the cooperation between histone tail acetylation

R pyocin tail fiber structure reveals a receptor-binding domain with a

Although the minimal tail fiber fragment required for specific binding has not been identified, target strain sensitivity switching has been demonstrated by substitution of the region

Chromatin Fiber Folding: Requirement for the Histone H4 N-terminal Tail

The folding properties are comparable to established systems. Analytical ultracentrifugation is used to determine the consequence of individual histone tail domain deletions

Higher-Order Structures of Chromatin: The Elusive 30

Specific interactions between individual nucleosomes drive the folding of a nucleosomal array (the primary structure of chromatin) into the 30 nm fiber (a

Linking Chromatin Fibers to Gene Folding by Hierarchical Looping

In this context, we discuss our recently proposed folding mechanism, which we call "hierarchical looping", similar to rope flaking used in mountain climbing, where 10-nm zigzag chromatin fibers are

Determination of the three-dimensional structure of bacteriophage Mu

Structure–function knowledge of tail fibers will pave the way for reprogramming phage host range and will bring future benefits through more-effective phage therapy in medicine.

The long and short tail fibers (LTFs and STFs) are folded back

Following our recent report on the capsid structure of A-1 (L), here we present the high-resolution cryo-EM structure of its intact tail machine including the neck, tail and attached fibers.

The Short Tail-Fiber of Bacteriophage T4: Molecular Structure and a

The tail of bacteriophage T4 consists of a contractile sheath surrounding a rigid tube and terminating in a multiprotein baseplate, to which the long and short tail fibers of the phage are

Investigation of the Tail Fibres and Tail Fibre Assembly Proteins of

Fibres located on the bottom of the tail tip are known as central tail fibres (CTFs), and tail fibres which emanate from the sides of the tail tip are known as side tail fibres (STFs).

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Structural organisation of the head-to-tail interface of a bacterial

In tailed icosahedral bacteriophages the connection between the 5-fold symmetric environment of the portal vertex in the capsid and the 6-fold symmetric phage tail is formed by a

Tail fiber function and structure | Bacteriophage T4 Tail

Structurally these viruses have a prolate icosahedral capsid (the head) attached at one vertex to a long protein infection promoting structure (the tail) (Figure 2-1). At

Chromatin Fiber Folding Directed by Cooperative

To explore the folding propensity by which these features may govern gene expression, we analyze 20 kb fibers that contain regularly spaced

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Structural Insights into the Chaperone-Assisted Assembly of a

In this study, we report the cryo-EM structure of the simplified tail fiber complexed with its chaperone from the myocyanophage Pam3, which provides insights into the assembly mechanism of

The chromatin fiber: multiscale problems and approaches

This multiscale study helps clarify the molecular mechanism in the tail-driven regulation of chromatin fibers and emphasizes the importance of histone tail flexibility in folding/unfolding events

Phage tail fibre assembly proteins employ a modular structure to drive

Despite the wide occurrence of Tfa proteins, their functional mechanism has not been elucidated. Here, we investigate the tail fibre and Tfa of Escherichia coli phage Mu.

(PDF) Molecular Anatomy of the Receptor Binding

Organization of the bacteriophage T4 long tail fiber. (A) A structural model of bacteriophage T4 virion showing the head, the tail, and the long tail fibers.

The long and short tail fibers (LTFs and STFs) are folded back

The long and short tail fibers (LTFs and STFs) are folded back pairwise towards the sheath and function as receptor binding proteins (RBPs) a Side (top) and head-distal (down) views of the

Three-Dimensional Rearrangement of Proteins in the

In addition, the density for the tail tube-associated proteins gp48 and gp54 was located at the top of the baseplate dome. The long tail fibers were

Bacteriophage T4 long tail fiber domains

Bacteriophage T4 initially recognizes its host cells using its long tail fibers. Long tail fibers consist of a phage-proximal and a phage-distal rod, each around 80 nm long and attached to each

Functions and properties related to the tail fibers of bacteriophage T4

It is shown that adsorbability of T4 is regularly correlated with the extended state of the tail fibers, suggesting that in T4 fiber extension is a necessary condition for adsorption. Furthermore the

Understanding Bacteriophage Tail Fiber

The exact mechanisms of how the tail fiber interacts with the receptor at the molecular/atomic level are critical for engineering phages with reprogrammed host ranges. The advancement of technologies

Chromatin Higher Order Folding--Wrapping up

Clearly, the dissection of the mechanisms of transcriptional control on bona fide chromatin fibers awaits a biochemical system where such fibers can be

The Structure of the Receptor-binding Domain of the

As the bacteriophage T4 short tail fibre does not appear to have enzymatic activity, unlike the P22 tailspike, 25 the role of the zinc ion is probably purely structural.

Architecture of the bacteriophage lambda tail: Structure

Bacteriophage lambda is an excellent model system to study the tail architecture of bacteriophages. Wang et al. present the cryo-EM structures of the components of the bacteriophage

The structure of bacteriophage T4 gene product 9: the trigger for tail

Gene product 9 (gp9) forms the attachment site for a long tail fiber on the baseplate. Thus, gp9 is required to carry the message from the long tail fibers to initiate a major conformational

Fiber tail fiber characteristics

Pigtail, also known as pigtail, has only one end with a connector, and the other end is a broken end of a fiber optic cable core. It is connected to other