Questions tagged [database]

A repository for data that is organised according to specific rules. Important biological databases include PDB (Protein Data Bank), Ensembl, Uniprot.

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33 views

Calculate the percentage of the genome that is represented by some sequences

I have construct a repeat libraries using de-novo identification methods. All results from different tools has been combined into one fasta file. How can I get the percentage of how much these ...
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How to apply RDP, Greengenes and other special taxonomies in Krona?

I used Kraken 2 to classify my 16S metagenomic data using both RDP and Greengenes database. As these are special databases the taxonomic ids assigned do not match with the NCBI taxonomic ids. I found ...
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50 views

Are there databases to annotate non-coding mutations?

I would like to ask if there are some known databases that allows to annotate non-coding mutations in a given region for the human genome? Preferably, if the database is downloadable so I am able to ...
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53 views

How to obtain the standard gene name

I have a list of genes and proteins extracted from literature. How can I convert them into standard gene names.
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Looking for a taxonomic dataset that links tree genera (or species) to families

I am looking for a taxonomic dataset that would allow me to links tree genera (or species) to families. In particular, I am interested in the tropical species found in the Amazon. I found a long but ...
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Where to find secondary metabolites in lichen (and herbal medicine)? [closed]

I've searched around and found about 80 specific secondary metabolites for lichen, but I can't seem to find anymore. They were mostly from research papers. I read that there are more than 800 ...
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how to create database and taxonomy for arsM amplicon analysis

Could you please guide me on how I can create the arsM database and taxonomy like 16s data for the arsM gene using the primer set. I need to analyse the arsM microbial diversity using amplicon ...
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1answer
20 views

Store and search on variant and annotation data

I need to store a large number of variants with their annotations. I need to import dbSNP, as well as Clinvar, and ExAC etc. Also I have sample variant data from patients. I need to be able to search ...
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27 views

Need help in identifying origin of variants in CIVIC

We usually denote the origin of a mutation as either somatic or germline. This information is usually available in certain databases such as CIVIC, ClinVar, COSMIC etc. But when we come to variants ...
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1answer
70 views

Merging transcriptomes coming from different experiments

I'm planning to build a transcriptome by pooling all existing transcriptomes in SRA for a non-model species (which has no reference genome) to study differentially expressed genes and the like. It ...
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1answer
38 views

Find similar proteins with similar tertiary structure?

I'm a mathematician studying knotted curves and am trying to find some applications of my work in proteins. Using https://www.rcsb.org/, how do I find proteins that have similar (but perhaps not the ...
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Old versions of the reference genome and dbSNP

For benchmark purposes I’m trying to find an old version of the human reference genome (pre-GRCh37) and a matching version of dbSNP. Unfortunately it appears as though older versions of dbSNP aren’t ...
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1answer
41 views

Restriction enzymes with multiple recognition sequences

In a bioinformatics programming course I am currently teaching (using Python, and approached from a mostly CS rather than a biology background) I assigned a project which involves finding sites where ...
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23 views

How to use analysis output in my pipeline

I am running an analysis and I want to edit the output that I received from that analysis. However I cannot define the output name in my pipeline, because after running the analysis it is asking me to ...
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2answers
87 views

Database for proteome-wide predictions of protein structures

Accuracies of protein structure predictors have improved quite a lot in recent years. Algorithms such as Rosetta have gotten robust enough to predict structures of large number of proteins. However, I ...
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Database of Cell Volumes by Cell Ontology?

Are there any databases that have aggregated information on cell volumes? Most useful would be a database keyed by cell ontology (e.g., CL:0000236 for B cell). ...
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ANY (technical) reason behind submitting sequences to GenBank versus ENA Sequence

The DNA sequence sections of the three INSDC databases (i.e., DDBJ, ENA Sequence and GenBank) are synchronized periodically and strive to keep their stored data as ubiquitously accessible as possible. ...
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1answer
27 views

List of human transcription factors

I'm looking for a list of human transcription factor (TF) genes. Where can I find a TF database or how can I retrieve this list from other databases?
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Where can I find hemagglutination inhibition (HI) assay data?

I am looking for hemagglutination inhibition assay data for type A influenza virus. Could someone please give me a link to a database with this information? Thanks.
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Does anyone have older versions of NT and 16s RNA DB from NCBI?

I am in search of past years' versions of NT and 16s databases from NCBI. I recently contacted NCBI about this and they replied: Unfortunately, we do not archive past versions of the blast ...
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2answers
280 views

Receptor-ligand database

How can I find ligands of receptors (or vice versa)? For example, I want to find the receptors of IL-8 (CXCL8).
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Why is Clostridium difficile toxin A + B outdated in snomed?

I'm looking at the new version of the Snomed dictionary and the concept 707993000 Clostridium difficile toxin A + B (substance) is deactivated (and outdated) since ...
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31 views

Gathering data on bacterial oganism growth conditions

let's say I have a list of organism names like the example below ...
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2answers
169 views

Are these standard species abbreviations and how to look up others?

Reactome uses a three letter code for each species which are listed below. Are the letter codes used by Reactome a standard? If so is there a web page or download file that can validate the code and ...
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1answer
19 views

Where can I find the DNA sequence of the C. elegans rRNA cluster?

Where can I find the DNA sequence of the C. elegans rRNA cluster? Ideally, I would be able to do it using the command-line. I've tried using NCBI but the results are unsatisfactory. I am interested ...
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50 views

Is there a database of protein sequences/structure along with their melting temperature?

Such databases have been constructed for example in here or here. But I can't find them anywhere online. Can someone point me to where I can find one available online? Otherwise I'll have to write to ...
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3answers
72 views

Public access to genomics databases

I'm a statistician, and am interested in applying the theory of algebraic Markov models to genomics. Here's one paper I'm interested in: Large-scale genome-wide association analysis of bipolar ...
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3answers
176 views

KEGG FTP vs KEGG API

I was reading the KEGG plea and I found that it doesn't forbid using the KEGG API. Then, what is in the FTP server license for personal use/academic use that it is not covered by the API? Or I could ...
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2answers
60 views

Blueprint replicates

On Encode, it's pretty easy to find out replicate information about the experiments, however I am having some difficulty finding this information on BLUEPRINT DDC, at http://dcc.blueprint-epigenome.eu ...
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Viral Load and Antiretroviral Therapy Dataset

My project is on Mathematical Modeling of the relationship between viral load and antiretroviral therapy. Its purely an academic one which is exploratory in nature. Intend using the different ...
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1answer
73 views

Human SNP databases other than dbSNP

I'm working on a project to identify variants as being either germline or somatic based on nearby SNPs, and I was wondering if there were any databases of SNPs for Homo sapiens other than dbSNP? I'm ...
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1answer
399 views

A Database for Plant Metabolome or Secondary Metabolites?

I am searching for a plant metabolome or secondary metabolite database for a college bioinformatics project. Up until now, I have found these two databases, as I am giving their links below; http://...
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1answer
107 views

What's “signal” in gene expression?

I'm exploring gene expression on public available databases. RefExa is one of the databases I've been studying. When I searched something there, the website reported the expression value unit as "...
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1answer
101 views

Information about control data

I am putting this question because I did not find any useful information from internet because of limited access. My question is related to control (or normal) data that we use for somatic mutation ...
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1answer
121 views

How to download gene expression data from NCBI gene database

In the NCBI gene database, I can add the expression tracks (circled in picture blow) through 'Tracks' button, but How I can download the expression data directly, not just look the picture?
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1answer
31 views

Digisome generation

I scoured and searched the web for some implementation of digisome creation, but I had a hard time finding any good source code. By digisomes, what I mean is images with chromosomal masks/borders ...
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1answer
50 views

Gene expression data in GC-RMA format?

I'm having a hard time retrieving the most expressed genes in a cell line. One of the databases I've found has values for a lot of genes in 60 different cell lines and it seems the data is obtained ...
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30 views

Where did the BIND went?

I was trying to reach the BIND (Biomolecular Interaction Network Database) but the website is down. Where can I find something similar? Has this platform moved somewhere or what?
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Can second search with limited search space improve result in MS proteomics data?

First, please know that I am a novice in this field and that it is thus very likely that you will regard this question as basic or flat stupid. Please be gentle and don't be afraid to criticize. I am ...
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1answer
93 views

Duplicate gene symbol handling in GEO gene expression data

I have downloaded a gene expression data from GEO database (GSE3268) in which in some of its rows there are duplicate gene symbols. For example TP53 exists in two rows with different expression ...
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1answer
69 views

CRISPR Sequence Finder and Database Download

I am searching for tools to pull CRISPR Spacers from Bacterial Genomes. I am aware of the CRISPRDB and the corresponding identification tool on the web server. Are there other tools for finding ...
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1answer
201 views

Healthy data set/ control group for TCGA

Assume I want to run a simple machine learning of healthy/non healthy classification, how can I use TCGA where it has only data of people with cancer. What do usually people do for example for study ...
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2answers
61 views

Identifying relevant SNPs from a list

I have a list of all SNPs (a list of RsIDs) that fall in the coding sequence of several thousand human genes, and I'm looking for a convenient method to come up with a list of known SNPs that alter an ...
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1answer
35 views

How to query a network for a bacterium, specifically Streptomyces caatingaensis or Streptomyces thioluteus?

I have a list of gene/protein IDs and I could not query a network using String, BioGrid, Intact and IIS, for Streptomyces thioluteus. The bacteria I am working with is the Streptomyces caatingaensis. ...
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135 views

How to access organism IDS, taxon nodes from UniProt?

I try to find organism IDs used by UniProt (e.g. 9606 for "Homo sapiens") and information about the 'taxonomic kingdom' this organism belongs to. The only source on UniProt I could find is this file ...
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301 views

Is there a database of disease prevalence?

I want to collect data on how common different diseases are in different populations (or, at least, globally). Ideally, it would give me a way of querying the database with a disease name, and would ...
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2answers
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Uniprot: Determining protein and organism given a DNA sequence

I would like to find the identity of a protein, together with the organism name and kingdom. The given DNA sequence is below: ...
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1answer
123 views

What are the algorithms for biometric identification in large database?

I have been thinking about this problem and reading some related papers for sometime. The problem can be described as follows: Suppose that each biometric template is a $d-$dimensional vector. A ...
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How to get a list of genes corresponding to the list of SNPs (rs ids)?

Is there a way for me to get a list of genes given a list of SNP rs ids? I found several questions asked with a similar goal years ago, and the answers are always about using multiple online tools, ...