Results 51 to 60 of about 1,312,216 (336)

SUMO chain formation is required for response to replication arrest in S. pombe [PDF]

open access: yes, 2009
SUMO is a ubiquitin-like protein that is post-translationally attached to one or more lysine residues on target proteins. Despite having only 18% sequence identity with ubiquitin, SUMO contains the conserved betabetaalphabetabetaalphabeta fold present in
A Gorg   +41 more
core   +4 more sources

Mutant p53 as a Regulator and Target of Autophagy

open access: yesFrontiers in Oncology, 2021
One of the most notoriously altered genes in human cancer is the tumor-suppressor TP53, which is mutated with high frequency in more cancers than any other tumor suppressor gene.
Yong Shi   +2 more
doaj   +1 more source

Envelope Proteins in Salmonella minnesota Mutants [PDF]

open access: yesJournal of General Microbiology, 1975
Envelope proteins of one smooth (S) strain and seven rough (R) mutants of Salmonella minnesota were examined by sodium dodecyl sulphate-polyacrylamide gel electrophoresis. All strains gave similar band patterns although some consistent differences were detected.
openaire   +2 more sources

The kunitz domain protein BLI-5 plays a functionally conserved role in cuticle formation in a diverse range of nematodes [PDF]

open access: yes, 2010
The cuticle of parasitic nematodes performs many critical functions and is essential for proper development and for protection from the host immune response.
Antony P. Page   +43 more
core   +1 more source

Conserved Aspartate Residues and Phosphorylation in Signal Transduction by the Chemotaxis Protein CheY [PDF]

open access: yes, 1990
The CheY protein is phosphorylated by CheA and dephosphorylated by CheZ as part of the chemotactic signal transduction pathway in Escherichia coli. Phosphorylation of CheY has been proposed to occur on an aspartate residue.
Bourret, Robert B.   +2 more
core   +2 more sources

Oncogenic NRAS Mutation in Incipient Sarcomatous Transformation of Cystic Nephroma From a Patient With DICER1‐Related Tumor Predisposition Syndrome

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Anaplastic sarcoma of the kidney (ASK) is a DICER1‐associated malignant tumor presumed to arise in a benign precursor, pediatric cystic nephroma (PCN). However, the initial oncogenic alteration(s) associated with malignant transformation are unknown.
Nahir Cortes‐Santiago   +6 more
wiley   +1 more source

Mutations in PIH proteins MOT48, TWI1 and PF13 define common and unique steps for preassembly of each, different ciliary dynein.

open access: yesPLoS Genetics, 2020
Ciliary dyneins are preassembled in the cytoplasm before being transported into cilia, and a family of proteins containing the PIH1 domain, PIH proteins, are involved in the assembly process.
Ryosuke Yamamoto   +7 more
doaj   +1 more source

Defective Proteasome Delivery of Polyubiquitinated Proteins by Ubiquilin-2 Proteins Containing ALS Mutations. [PDF]

open access: yesPLoS ONE, 2015
Ubiquilin proteins facilitate delivery of ubiquitinated proteins to the proteasome for degradation. Interest in the proteins has been heightened by the discovery that gene mutations in UBQLN2 cause dominant inheritance of amyotrophic lateral sclerosis ...
Lydia Chang, Mervyn J Monteiro
doaj   +1 more source

Revealing the structure of land plant photosystem II: the journey from negative‐stain EM to cryo‐EM

open access: yesFEBS Letters, EarlyView.
Advances in cryo‐EM have revealed the detailed structure of Photosystem II, a key protein complex driving photosynthesis. This review traces the journey from early low‐resolution images to high‐resolution models, highlighting how these discoveries deepen our understanding of light harvesting and energy conversion in plants.
Roman Kouřil
wiley   +1 more source

Role of the host cell in bacteriophage T4 development. II. Characterization of host mutants that have pleiotropic effects on T4 growth [PDF]

open access: yes, 1980
Mutant host-defective Escherichi coli that fail to propagate bacteriophage T4 and have a pleiotropic effect on T4 development have been isolated and characterized.
Lielausis, Ilga   +3 more
core  

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