Results 81 to 90 of about 85,477 (330)

MAPping out distribution routes for kinesin couriers [PDF]

open access: yes, 2013
In the crowded environment of eukaryotic cells, diffusion is an inefficient distribution mechanism for cellular components. Long-distance active transport is required and is performed by molecular motors including kinesins.
*Ackmann   +235 more
core   +1 more source

Beyond phosphorylation:Putative roles of post-translational modifications in plasmodium sexual stages [PDF]

open access: yes, 2021
Post-translational modifications (PTMs) allow proteins to regulate their structure, localisation and function in response to cell intrinsic and environmental signals.
Johnson, Nila, Philip, Nisha
core   +1 more source

Role of non-canonical post-translational modifications in gastrointestinal tumors

open access: yesCancer Cell International, 2023
Post-translational modifications (PTMs) of proteins contribute to the occurrence and development of tumors. Previous studies have suggested that canonical PTMs such as ubiquitination, glycosylation, and phosphorylation are closely implicated in different
Yihong Liu   +6 more
doaj   +1 more source

Serine/threonine ligation-assisted chemical synthesis of HMGA1a protein with site-specific post-translational modifications

open access: yesSTAR Protocols, 2021
Summary: Dissecting the function of proteins’ post-translational modifications (PTMs) is seriously hindered by the difficulty in obtaining the homogeneous protein with the PTMs of interest.
Tongyao Wei   +4 more
doaj   +1 more source

Filling the Gaps to Solve the Extensin Puzzle [PDF]

open access: yes, 2018
Extensins (EXTs) are highly repetitive plant O-glycoproteins that require several post-translational modifications (PTMs) to become functional in plant cell walls.
Borassi, Cecilia   +6 more
core   +1 more source

Post-translational modifications in proteins: resources, tools and prediction methods

open access: yesDatabase J. Biol. Databases Curation, 2021
Posttranslational modifications (PTMs) refer to amino acid side chain modification in some proteins after their biosynthesis. There are more than 400 different types of PTMs affecting many aspects of protein functions.
Shahin Ramazi, J. Zahiri
semanticscholar   +1 more source

Identification of ultramodified proteins using top-down tandem mass spectra [PDF]

open access: yes, 2013
Post-translational modifications (PTMs) play an important role in various biological processes through changing protein structure and function.
Hengel, Shawna   +5 more
core   +1 more source

Tonic signaling of the B‐cell antigen‐specific receptor is a common functional hallmark in chronic lymphocytic leukemia cell phosphoproteomes at early disease stages

open access: yesMolecular Oncology, EarlyView.
B‐cell chronic lymphocytic leukemia (B‐CLL) and monoclonal B‐cell lymphocytosis (MBL) show altered proteomes and phosphoproteomes, analyzed using mass spectrometry, protein microarrays, and western blotting. Identifying 2970 proteins and 316 phosphoproteins, including 55 novel phosphopeptides, we reveal BCR and NF‐kβ/STAT3 signaling in disease ...
Paula Díez   +17 more
wiley   +1 more source

Post-Translational modifications and the effects on protein identification through mass spectrometry [PDF]

open access: yes, 2005
only availableMass Spectrometry is an effective tool for protein identification. A typical process for protein identification is to break down a protein into smaller peptides and to determine the mass of each of these peptides.
Song, Zhao, 1978-   +2 more
core  

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