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相关概念视频

Genome Annotation and Assembly03:36

Genome Annotation and Assembly

18.7K
The genome refers to all of the genetic material in an organism. It can range from a few million base pairs in microbial cells to several billion base pairs in many eukaryotic organisms. Genome assembly refers to the process of taking the DNA sequencing data and putting it all back together in a correct order to create a close representation of the original genome. This is followed by the identification of functional elements on the newly assembled genome, a process called genome annotation.
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Conserved Binding Sites01:49

Conserved Binding Sites

4.1K
Many proteins’ biological role depends on their interactions with their ligands, small molecules that bind to specific locations on the protein known as ligand-binding sites. Ligand-binding sites are often conserved among homologous proteins as these sites are critical for protein function.
Binding sites are often located in large pockets, and if their location on a protein’s surface is unknown, it can be predicted using various approaches. The energetic method computationally...
4.1K
Protein Networks02:26

Protein Networks

3.9K
An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
3.9K
Globular and Fibrous Proteins02:21

Globular and Fibrous Proteins

42.9K
Many proteins can be classified into two distinct subtypes - globular or fibrous. These two types differ in their shapes and solubilities.
Globular proteins are also known as spheroproteins and typically are approximately round in shape. They contain a mix of amino acid types and contain differing sequences in their primary structures. Globular proteins have many different functions, such as enzymes, cellular messengers, and molecular transporters. These roles often require the proteins to be...
42.9K
Nucleic Acid Structure01:25

Nucleic Acid Structure

5.8K
The pentose sugar in DNA is deoxyribose, while in RNA the pentose sugar is ribose. The difference between the sugars is the presence of the hydroxyl group on the ribose's second carbon and a hydrogen on the deoxyribose's second carbon. The phosphate residue attaches to the hydroxyl group of the 5′ carbon of one sugar and the hydroxyl group of the 3′ carbon of the sugar of the next nucleotide, which forms  a 5′ to 3′ phosphodiester linkage.
DNA Structure
DNA...
5.8K
Protein Complexes with Interchangeable Parts01:57

Protein Complexes with Interchangeable Parts

2.5K
Groups of proteins may form a complex where each protein in this complex has a different role in the overall execution of the complex’s function. Often some of the proteins in the complex can be replaced by a closely related variant to give a complex that contains many of the same components yet is functionally distinct.
The SCF ubiquitin ligase is a protein complex of five individual proteins. This complex attaches ubiquitin to other target proteins to mark them for degradation. In order...
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相关实验视频

Updated: May 8, 2025

RNA Next-Generation Sequencing and a Bioinformatics Pipeline to Identify Expressed LINE-1s at the Locus-Specific Level
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RNA Next-Generation Sequencing and a Bioinformatics Pipeline to Identify Expressed LINE-1s at the Locus-Specific Level

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LCRAnnotationsDB:一个低复杂度区域的功能和结构注释数据库.

Joanna Ziemska-Legiecka1, Patryk Jarnot2, Sylwia Szymańska2

  • 1Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warsaw, 02-106, Poland. joannazl@ibb.waw.pl.

BMC genomics
|December 28, 2024
PubMed
概括

低复杂性区域 (LCR) 是重要的蛋白质部分. LCRAnnotationsDB统一了这些区域的分散的功能数据,根据相似性进行组织,并将其与基因本体学术语联系起来,以便更好地访问.

关键词:
标注注释 标注注释数据库数据库数据库是一个数据库.功能 功能 功能 功能整合 整合 整合这是一个LCDLCDLCD.在LCR中使用LCR.复杂性较低的地区.蛋白质蛋白质是一种蛋白质.结构 结构 是一个结构.

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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration

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Comprehensive DNA Methylation Analysis Using a Methyl-CpG-binding Domain Capture-based Method in Chronic Lymphocytic Leukemia Patients
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Comprehensive DNA Methylation Analysis Using a Methyl-CpG-binding Domain Capture-based Method in Chronic Lymphocytic Leukemia Patients

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相关实验视频

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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
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Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration

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Comprehensive DNA Methylation Analysis Using a Methyl-CpG-binding Domain Capture-based Method in Chronic Lymphocytic Leukemia Patients
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科学领域:

  • 生物信息学是一种生物信息学.
  • 结构生物学 结构生物学
  • 计算生物学 计算生物学

背景情况:

  • 低复杂性区域 (LCR) 是蛋白质部分,其特点是氨基酸多样性较低.
  • LCR在功能上具有重要意义,但关于它们的信息在各种数据库和文献中是分散的.
  • 需要一个集中资源来整合和组织与LCR相关的注释.

研究的目的:

  • 开发 LCRAnnotationsDB,一个用于 LCR 功能注释的集中数据库.
  • 根据功能,结构和生物过程的相似性,统一和分类分散的LCR信息.
  • 通过与基因本体学术语相关的等级组织,提高LCR数据的可访问性和实用性.

主要方法:

  • 从各种来源收集并策划了与低复杂度区域相关的注释.
  • 开发了一个基于功能,结构和生物过程相似性的注释分类系统.
  • 按层次组织了类别,将它们与相关的基因本体学 (GO) 术语联系起来.
  • 在https://lcrannotdb.lcr-lab.org/.上实现了LCRAnnotationsDB数据库.

主要成果:

  • 成功将分散的LCR注释整合到一个单一的统一数据库中.
  • 建立了LCR注释的层次分类系统,改善了数据组织.
  • 将LCR类别与基因本体学术语联系起来,促进更深层次的生物背景和整合.
  • 让研究人员可以公开访问LCRAnnotationsDB.

结论:

  • LCRAnnotationsDB为LCR研究提供了一个有价值的,集中的资源.
  • 该数据库有助于更全面地了解LCR在蛋白质中的功能和作用.
  • 层次组织和GO术语链接增强了蛋白质科学中的数据集成和发现.