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Annotation projects often rely on previous annotations of an organism's genome; however, these older annotations may contain errors that can propagate to new annotations. As new genome analysis technologies are developed and richer databases become available, the annotation of some older genomes may be updated.
TIGRFAMs is a database of protein families designed to support manual and automated genome annotation. [1] [2] [3] Each entry includes a multiple sequence alignment and hidden Markov model (HMM) built from the alignment. Sequences that score above the defined cutoffs of a given TIGRFAMs HMM are assigned to that protein family and may be ...
The EMBL Nucleotide Sequence Database (EMBL-Bank) has increased in size from around 600 entries in 1982 to over 2.5×10 8 by December 2012. [16] The EMBL Nucleotide Sequence Database (also known as EMBL-Bank) is the section of the ENA which contains high-level genome assembly details, as well as assembled sequences and their functional annotation.
Biological and biomedical research has come to rely on accurate and consistent annotation of genes and their products on genome assemblies. Reference annotations of genomes are available from various sources, each with their own independent goals and policies, which results in some annotation variation.
MANE (Matched Annotation from the NCBI and EMBL-EBI): It is a collaborative project between NCBI and EMBL-EBI whose main goal is to define a set of transcripts and their proteins for all the protein-coding genes in the human genome. By doing that, the differences in transcripts annotation between RefSeq and Ensembl/GENCODE annotation systems ...
UniProt is a freely accessible database of protein sequence and functional information, many entries being derived from genome sequencing projects.It contains a large amount of information about the biological function of proteins derived from the research literature.
The Gene Ontology (GO) is a major bioinformatics initiative to unify the representation of gene and gene product attributes across all species. [1] More specifically, the project aims to: 1) maintain and develop its controlled vocabulary of gene and gene product attributes; 2) annotate genes and gene products, and assimilate and disseminate annotation data; and 3) provide tools for easy access ...
Karyotype visualisation in Ensembl Genomes. The key feature of Ensembl Genomes is its graphical interface, which allows users to scroll through a genome and observe the relative location of features such as conceptual annotation (e.g. genes, SNP loci), sequence patterns (e.g. repeats) and experimental data (e.g. sequences and external sequence features mapped onto the genome). [1]