Cell signaling Archives - Laboratory Notes

WD40 Repeat Protein

admin — Sun, 27 Sep 2026 00:38:12 +0000

WD40 repeat proteins commonly form seven-bladed beta-propellers that function as versatile platforms for protein interactions, signaling, transcription, protein degradation, and cellular regulation.

The post WD40 Repeat Protein appeared first on Laboratory Notes.

Leucine-Rich Repeat

admin — Sat, 26 Sep 2026 16:41:25 +0000

Leucine-rich repeats (LRRs) are protein structural units that form curved domains for molecular recognition. They play important roles in immune defense, cell signaling, cell adhesion, and the development of tissues and the nervous system.

The post Leucine-Rich Repeat appeared first on Laboratory Notes.

HEAT Repeat

admin — Sat, 26 Sep 2026 16:19:42 +0000

HEAT repeats are structural units made of alpha helices that help proteins interact with one another. Discover their structure and roles in cellular transport, signaling, metabolism, and protein complex assembly.

The post HEAT Repeat appeared first on Laboratory Notes.

Tetratricopeptide Repeat

admin — Sat, 26 Sep 2026 16:07:55 +0000

Tetratricopeptide repeats (TPRs) are protein domains that help proteins recognize and bind to specific partners. Learn about their structure and roles in protein folding, cell signaling, transport, and other cellular processes.

The post Tetratricopeptide Repeat appeared first on Laboratory Notes.

Cell Biology

admin — Fri, 04 Sep 2026 21:52:19 +0000

Cell biology is the study of cells, their structures, functions, interactions, and processes. Learn about cell types, organelles, membranes, metabolism, cell division, signaling, differentiation, and other fundamental cellular processes.

The post Cell Biology appeared first on Laboratory Notes.

Protein Sulfation

admin — Mon, 31 Aug 2026 09:36:18 +0000

Protein sulfation is an important modification that regulates protein interactions, cell adhesion, extracellular signaling, immune responses, coagulation, and tissue organization. Explore tyrosine sulfation, glycosaminoglycan sulfation, sulfotransferases, PAPS, and their roles in health and disease.

The post Protein Sulfation appeared first on Laboratory Notes.

Protein ADP-Ribosylation

admin — Sat, 29 Aug 2026 22:52:25 +0000

Protein ADP-ribosylation is an important post-translational modification that uses NAD+ to regulate proteins and cellular pathways. Explore mono- and poly-ADP-ribosylation, PARP enzymes, DNA repair, chromatin regulation, cancer, metabolism, inflammation, and cell death.

The post Protein ADP-Ribosylation appeared first on Laboratory Notes.

Protein Phosphorylation

admin — Sat, 29 Aug 2026 17:40:43 +0000

Protein phosphorylation is a reversible post-translational modification that regulates protein activity, stability, localization, interactions, and cellular signaling. Learn about protein kinases, phosphatases, phosphorylation sites, signaling pathways, phosphoproteomics, disease mechanisms, and therapeutic applications.

The post Protein Phosphorylation appeared first on Laboratory Notes.

Post-Translational Modification

admin — Sat, 29 Aug 2026 14:36:13 +0000

Post-translational modifications (PTMs) are biochemical changes that occur during or after protein synthesis and regulate protein structure, activity, stability, localization, interactions, and degradation. This overview introduces the major types of PTMs, their biological functions, mechanisms, role in disease, and methods used to study protein modifications.

The post Post-Translational Modification appeared first on Laboratory Notes.

Cellular Functions Overview

admin — Thu, 27 Aug 2026 09:23:14 +0000

Cells are dynamic systems that perform essential functions such as metabolism, respiration, signaling, migration, division, and homeostasis. This article explores how these interconnected processes sustain life at the microscopic level.

The post Cellular Functions Overview appeared first on Laboratory Notes.