GO:0016818 hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides: Mechanism, Genes and Research Methods
Research-grade guide for scientists and biopharma professionals
Key Takeaways
• GO:0016818 describes a molecular function: the catalysis of hydrolysis of any acid anhydride that contains phosphorus.
• This activity is fundamental to cellular energy metabolism, signal transduction, and nucleic acid processing.
• Enzymes with this activity include ATPases, GTPases, phosphatases, and nucleoside triphosphate hydrolases.
• Dysregulation of these enzymes is linked to cancer, neurodegeneration, and metabolic disorders.
• CRISPR knockout, point mutation, and knock-in models are essential to dissect the precise roles of these hydrolases.
• EDITGENE provides comprehensive CRISPR services to study GO:0016818-related genes in disease models.
Description
GO:0016818, hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides, is a molecular function term in the Gene Ontology that defines the catalysis of hydrolysis of any acid anhydride containing phosphorus. This activity is central to numerous biological processes, including ATP and GTP hydrolysis, which drive energy transfer, signal transduction, and molecular motor function. Researchers studying this term aim to understand how these enzymes convert chemical energy into mechanical work or signaling outputs. The importance of this activity is underscored by its involvement in a wide range of cellular functions, from DNA replication to protein synthesis. Consequently, mutations in genes encoding these hydrolases can lead to severe diseases, making them attractive targets for therapeutic intervention.
hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides At A Glance
| GO ID | GO:0016818 |
|---|---|
| GO term | hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides |
| Ontology | molecular_function |
| Synonym | none |
| Major function | Catalysis of the hydrolysis of phosphorus-containing acid anhydrides |
| EC number | 3.6.-.- |
| Examples | ATPase, GTPase, phosphatase |
| Related terms | GO:0016787 hydrolase activity, GO:0016462 pyrophosphatase activity |
What Is GO:0016818?
In simple terms, GO:0016818 refers to the function of enzymes that break down acid anhydride bonds in molecules that contain phosphorus, such as ATP or GTP. This hydrolysis reaction releases energy and phosphate groups, which can then be used for various cellular tasks. The term is a child of hydrolase activity and encompasses a diverse set of enzymes, including ATPases, GTPases, and phosphatases.
Why Is hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides Important in Cell Biology?
The hydrolysis of phosphorus-containing anhydrides is a cornerstone of cellular bioenergetics and signaling. Enzymes with this activity are involved in virtually every cellular process, from muscle contraction to cell division. Understanding their mechanisms and regulation is crucial for developing therapies for diseases such as cancer, where altered ATPase activity can drive proliferation.
• Essential for ATP and GTP metabolism, providing energy for cellular processes.
• Regulates signal transduction pathways through GTPase cycling.
• Involved in DNA replication and repair via helicases and topoisomerases.
• Critical for protein synthesis and degradation through chaperones and proteases.
• Dysregulation linked to cancer, neurodegeneration, and metabolic disorders.
• Targets for drug development, including kinase inhibitors and ATPase modulators.
• Key to understanding molecular motor function and cytoskeletal dynamics.
• Plays a role in membrane transport through ion pumps.
What Happens During hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides?
Substrate Binding and Activation
In simple terms: The enzyme grabs the phosphorus-containing molecule and prepares it for breakdown.
The first step involves the binding of a substrate such as ATP or GTP to the active site of the hydrolase. This binding often induces conformational changes that position the anhydride bond for nucleophilic attack. The enzyme may also coordinate a water molecule or a metal ion to facilitate the reaction.
Catalysis and Hydrolysis
In simple terms: The enzyme breaks the bond using water, releasing energy and phosphate.
The hydrolysis of the acid anhydride bond occurs through a nucleophilic attack, typically by a water molecule activated by a general base or a metal ion. This results in the cleavage of the bond and the release of products, such as ADP and inorganic phosphate. The reaction is often coupled to conformational changes that drive downstream processes.
Product Release and Cycling
In simple terms: The enzyme lets go of the products and resets for another round.
After hydrolysis, the products are released from the active site, and the enzyme returns to its initial state. This cycle can be repeated many times, allowing the enzyme to act as a molecular motor or signaling switch. The rate of cycling is often regulated by accessory proteins or post-translational modifications.
Key Genes Involved in GO:0016818 hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
The following genes encode proteins with hydrolase activity acting on phosphorus-containing anhydrides, as supported by published literature.
| Gene | Major Role | Research Relevance |
|---|---|---|
| ATP1A1 | Na+/K+-ATPase ion pump | Cardiac function, neurological disorders |
| ATP2A2 | SERCA calcium pump | Muscle contraction, heart failure |
| ABC1 | ABC transporter ATPase | Multidrug resistance, cystic fibrosis |
| GTPase HRAS | Small GTPase signaling | Cancer, developmental disorders |
| DYNEIN | Microtubule motor ATPase | Intracellular transport, neurodegeneration |
| KINESIN | Microtubule motor ATPase | Cell division, cargo transport |
| HELICASE | DNA/RNA unwinding ATPase | Genome stability, cancer |
| TOPOISOMERASE | DNA topology ATPase | Chemotherapy targets |
| CHAPERONE | Protein folding ATPase | Protein misfolding diseases |
| PROTEASOME | Protein degradation ATPase | Cancer, neurodegeneration |
| PHOSPHATASE | Phosphate removal | Signal transduction, metabolism |
| KINASE | Phosphate transfer (reverse) | Cancer, signaling |
| ATP SYNTHASE | ATP synthesis (reverse) | Bioenergetics, mitochondrial diseases |
| GTPASE RAS | Signal transduction | Cancer, RASopathies |
| GTPASE RHO | Cytoskeletal regulation | Cell migration, cancer |
| GTPASE RAB | Vesicle trafficking | Neurodegeneration, immunity |
| GTPASE RAN | Nucleocytoplasmic transport | Cancer, cell cycle |
How Is hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides Regulated?
The activity of phosphorus-containing anhydride hydrolases is tightly regulated at multiple levels. Allosteric regulation by nucleotides, ions, or partner proteins can modulate catalytic rates. Post-translational modifications such as phosphorylation and ubiquitination control enzyme localization and stability. Additionally, expression levels are regulated transcriptionally and translationally in response to cellular demands.
hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides and Human Disease
| Gene | Disease / Biology | Potential Experimental Model |
|---|---|---|
| ATP1A1 | Hypertension, neurological disorders | Knockout mouse, point mutation |
| ATP2A2 | Darier disease, heart failure | Knock-in mouse, overexpression |
| HRAS | Cancer, Costello syndrome | Point mutation knock-in |
| DYNEIN | Neurodegeneration | Knockout zebrafish, knock-in |
| PROTEASOME | Cancer, neurodegeneration | Knockout cell lines, overexpression |
Cancer
Altered activity of ATPases and GTPases is frequently observed in cancer, contributing to uncontrolled proliferation and survival. For example, overexpression of certain ATPases can enhance drug efflux, leading to chemoresistance. Targeting these hydrolases is a promising therapeutic strategy.
Neurodegeneration
Defects in mitochondrial ATPases and GTPases involved in vesicle trafficking are linked to neurodegenerative diseases such as Parkinson's and Alzheimer's. Impaired energy metabolism and protein aggregation are common features.
Metabolic Disorders
Mutations in genes encoding ATPases in pancreatic beta cells can cause diabetes due to impaired insulin secretion. Similarly, defects in GTPases affect lipid metabolism and adipocyte function.
From hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides-Related Genes to Experimental Models
| Research Question | Suitable Model |
|---|---|
| What is the role of ATP1A1 in cardiac function? | Knockout mouse |
| How does HRAS mutation affect signaling? | Point mutation knock-in |
| Can overexpression of SERCA rescue heart failure? | Overexpression transgenic |
| What is the effect of dynein mutation on neurons? | Knock-in mouse |
| How does proteasome inhibition affect cancer cells? | Knockout cell line |
| What is the impact of GTPase RAB on vesicle transport? | Tagged knock-in |
How to Study the hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides Process
| Method | What It Measures | Typical Application |
|---|---|---|
| ATPase assay | Phosphate release | Enzyme kinetics |
| GTPase assay | GTP hydrolysis | Signaling studies |
| Crystallography | 3D structure | Mechanism elucidation |
| CRISPR screen | Gene essentiality | Target discovery |
| Live-cell imaging | Protein localization | Dynamic regulation |
| Proteomics | Protein interactions | Complex identification |
| RNA-seq | Gene expression | Transcriptional regulation |
Biochemical Assays
Enzymatic activity of hydrolases can be measured using colorimetric or fluorometric assays that detect phosphate release. These assays are useful for screening inhibitors or activators.
Structural Biology
X-ray crystallography and cryo-EM provide detailed insights into the catalytic mechanism and conformational changes of these enzymes. Such studies guide drug design.
CRISPR Screening
Genome-wide CRISPR knockout screens can identify genes with hydrolase activity that are essential for cell growth or survival under specific conditions. This approach reveals novel therapeutic targets.
Live-Cell Imaging
Fluorescently tagged hydrolases allow real-time visualization of their localization and dynamics in living cells. This helps understand their spatiotemporal regulation.
How CRISPR Can Be Used to Study GO:0016818 hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
Knockout
CRISPR knockout of genes encoding phosphorus-containing anhydride hydrolases can reveal their essentiality and role in cellular processes. For example, knocking out ATP1A1 in cell lines can disrupt ion homeostasis and lead to cell death.
Point Mutation
Introducing specific point mutations that alter catalytic activity or regulation can mimic disease-associated variants. This helps understand how single amino acid changes affect enzyme function and contribute to disease.
Knock-in
Knock-in of tagged versions of these enzymes allows for affinity purification and proteomic analysis. It also enables tracking of endogenous protein localization and dynamics.
Overexpression
Overexpression of wild-type or mutant hydrolases can model gain-of-function phenotypes observed in diseases such as cancer. This approach is useful for drug screening and resistance studies.
How EDITGENE Supports hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides Research
Researchers studying hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides-related genes often need to determine whether a candidate gene is causally involved in a specific cellular process or disease. EDITGENE provides a comprehensive suite of CRISPR services to enable such investigations with precision and efficiency.
Contact EDITGENE today to design your custom CRISPR model for hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides research.
Frequently Asked Questions About hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides
What is GO:0016818?
GO:0016818 is a Gene Ontology molecular function term for hydrolase activity acting on acid anhydrides in phosphorus-containing anhydrides, such as ATP and GTP.
What genes are involved in hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides?
Genes include ATP1A1, ATP2A2, HRAS, DYNEIN, KINESIN, and many others encoding ATPases and GTPases.
How is hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides regulated?
It is regulated by allosteric effectors, post-translational modifications, and protein-protein interactions.
What diseases are associated with defects in phosphorus-containing anhydride hydrolases?
Diseases include cancer, neurodegeneration, and metabolic disorders.
What methods are used to study hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides?
Methods include biochemical assays, structural biology, CRISPR screening, and live-cell imaging.
How can CRISPR be used to study GO:0016818?
CRISPR knockout, point mutation, knock-in, and overexpression models allow functional dissection of these hydrolases.
What are examples of enzymes with hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides?
Examples include ATPases, GTPases, and phosphatases.
Why is hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides important?
It is essential for energy metabolism, signal transduction, and many cellular processes.
What is the role of ATPases in disease?
ATPases are involved in cancer, cardiovascular diseases, and neurological disorders.
How does EDITGENE support research on GO:0016818?
EDITGENE offers CRISPR knockout, point mutation, knock-in, overexpression, library screening, and bioinformatics services.
Conclusion
GO:0016818, hydrolase activity, acting on acid anhydrides, in phosphorus-containing anhydrides, represents a fundamental molecular function that underpins diverse cellular processes. Understanding its mechanisms and regulation is crucial for deciphering disease pathways and developing targeted therapies. With advanced CRISPR tools and services from EDITGENE, researchers can precisely manipulate these enzymes to uncover new biological insights.
References
- 1. Takahashi K et al.. 2008. Gene expression profiling reveals complex changes in the olfactory bulbectomy model of depression after chronic treatment with antidepressants.. J Pharmacol Sci 108(3):320-34 PMID: 19023179
