Questions tagged [public-databases]

Use this tag for questions about how to use, download, retrieve, check and browse public databases.

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12 views

How do protein-protein interaction databases work?

I am a student and just trying to gain a base level understanding of PPI databases and how to interpret their data. For example, when inputing multiple genes into String, does it only give protein-...
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27 views

miRNA dataset for prediction experiments

I am from the field of Computer Science and I want to perform some experiments related to miRNA and mRNA prediction.I have been searching for datasets in this area and found one called mirWalk ...
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1answer
43 views

local BLAST error: BLAST Database error: Error: Not a valid version 4 database

I want to use a local blastn command to BLAST a multifasta file ~700 sequences using following command: ...
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13 views

How to (efficiently) search nuccore to retrieve only annotated sequences?

I wish to efficiently search nuccore to retrieve only annotated sequences. By "annotated" I mean that the nuccore entry contains annotation information. An equivalent definition (if I understand ...
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14 views

Meaning of the Flags attribute returned by Entrez.esummary(db='nuccore')

My Question Calling Entrez.esummary for the nuccore db returns records with various fields. One of these fields is Flags. I ...
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Is there a built-in parser for the textual feature table that Entrez.efetch returns?

Entrez.efetch helpfully gives me the feature table of a nuccore entry. If I understand correctly, efetch can only return the ...
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2answers
43 views

Downloading all COI sequences from BOLD fails

I have metabarcoding sequence data (COI) from bulk animal samples (including arthropoda, nematoda, annelida, mollusca) and I want to BLAST all of these sequences. I used following command to do this: <...
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1answer
14 views

Available phenotype data from GTEx

I am using gene expression data from the The Genotype-Tissue Expression (GTEx) project, available here: http://gtexportal.org. I would also like to use phenotype data for each sample (especially age, ...
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What exactly does each of InterPro, PANTHER, Pfam bring to the table individually in classifying a protein?

I would be very grateful if somebody could sketch out the methods Pfam and PANTHER use to assign a family to a given protein and how they are different. My (cursory) understanding is that InterpProp ...
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1answer
28 views

How to download RNAseq gene expression data from GTEx

I would like to download RNAseq gene expression data from GTEx from the liver only. What is the best way to do this? I have tried a few things. I downloaded several files from the GTEx website (https:...
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0answers
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Are there any “canonical” sources of C. Elegans connectome?

I found that there are a couple of projects that allow the user to simulate the neural system of C Elegans. I don't know how to navigate sources in bioinformatics and thus struggle to evaluate their ...
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2answers
25 views

Appropriate value to replace outliers in clinical studies

I am working on clinical study where I am focusing on binary classification problem. There are few variables which has outliers. I am trying to know which would be the right value to replace ...
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28 views

Human Cell Atlas - cell annotations

Human Cell Atlas Preview Datasets have been available for a while now (there was some discussion about that earlier). However, although the raw data is available, cell labels are not (for example, ...
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1answer
36 views

Are there databases or resources that contain expression of proteins or genes before and after cancer treatment?

Are there databases that contain information about gene or protein expression before and after targeted therapy or chemotherapy? I am curious about different cancer cell lines or cancer types. Any ...
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2answers
84 views

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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8 views

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
30 views

Proteins with one SS bond?

I would like to find proteins with exactly one SS bond. Is there a database where I can search this? I've tried advanced search on https://www.rcsb.org/, but no such option, at least I could not find ...
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1answer
117 views

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
29 views

Is there a resource where I can donwload E. coli assemblies grouped by their pathotypes?

I will preface this by saying I'm not a microbiologist, so I apologise for any haziness and I'll be happy to expand. I would like to download the assemblies of different E. coli genomes and group ...
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1answer
75 views

How can I get plant Genome size, total number of genes, EST, and chromosomes number

How can I get plant Genome size, total number of genes, EST and chromosome number from phytozom and plantDB?
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3answers
155 views

How do you query and explore ENCODE data?

I am looking for a modular way to query data from ENCODE. For example, I would like to get CHiP-seq or similar tracks for a specific cell line. What's the proper way to do it? Finally, is there an ...
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1answer
34 views

How to export web NCBI tBLASTn results in table format with many queries?

Context I'm an MSc student working on writing up my thesis (back home now) from my laptop and, therefore, unfortunately don't have access to a workstation/server capable of doing the tBLASTn search ...
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1answer
94 views

Is there a way to import tables in PubMed Central to MySQL or other Relational databases?

I need to use these PMC tables from the medical journals for the purpose of integrating the data with a decision-making software. Though, I can see that one can access full-text for an article from ...
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1answer
76 views

ncbi…eutils/esearch.fcgi: How to search now in the snp database?

According to the 2017(!) textbook, it worked at that time, for instance, https://eutils.ncbi.nlm.nih.gov/entrez/eutils/esearch.fcgi?db=snp&term=autism At ...
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0answers
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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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2answers
702 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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1answer
60 views

How to query the Human Microbiome Project (HMP) to find all subjects with both 16s and WGS workups?

I am looking for a query to run on the HMP database that will return all subjects who have had BOTH 16s and whole genomes sequence (WGS) workups. I am currently using this query... ...
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3answers
55 views

Best data repository to publish a large 'plotly' table containing all annotations on a transcriptome?

I am not sure whether this is the best SE community for this question. I want to publish a transcriptome paper, along with interactive materials enabling readers to peruse the data behind the ...
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36 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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1answer
227 views

Get results of keyword search on Pfam via python script

I'm interested in all proteins that are in any way associated with Danio rerio. I decided to look them up at Pfam data base and when I just make a keyword search, I get a a nice list which looks like ...
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2answers
147 views

GDC data portal cancer subtype

I need to use Gene Expression quantification data (using HTSeq-FPKM-UQ) for breast cancer data on the gdc portal (https://portal.gdc.cancer.gov/repository) to classify breast cancer subtypes (luminal ...
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1answer
38 views

Where to download baseline/average gene expression level of all human coding genes?

I am looking for the most appropriate dataset for downloading baseline gene expression level across all human coding genes during development. I am aware that EMBL Expression Atlas is one of the ...
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0answers
37 views

Find the date that sequencing was performed

I've got a bunch of RNAseq datasets from ENCODE and I'm looking to identify variables contributing to variance among my samples. For example, is there any easy way to find out the precise date which ...
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1answer
30 views

What are some good sources of 3rd order gene expression data

I need good sources of gene expression data in the form of 3rd order tensors. Typically the commonly available datasets are in the form of a matrix, for instance, $sample \times gene$ or $gene \times ...
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70 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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1answer
232 views

How to download SNP data from specific regions, population and positions?

I am totally new in Bioinformatics and I would like to apply my knowledge in feature selection on the tag SNP problems. To do that, I've read a lot of papers and books in order to understand the main ...
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0answers
17 views

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 ...
2
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1answer
49 views

Convert CD (cluster of differentiation) into gene symbol

I want to convert names according to the "cluster of differentiation" nomenclature into accepted gene symbols. For example, CD3 should map to "CD3a;CD3b;CD3c;CD247" and "CD45RO" should map to "PTPRC". ...
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1answer
82 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
61 views

How to add data to AnnotationHub

I recently started using the Bioconductor AnnotationHub package for accessing lots of common datasets, but I've noticed that there are a lot of newer databases that have not made it into AnnotationHub'...
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1answer
636 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://...
4
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1answer
154 views

How can I reproduce a manual NCBI search with Biopython Entrez module?

I'm trying to make a Biopython script that reproduces a manual search on the NCBI website. My manual search gives me the following URL: https://www.ncbi.nlm.nih.gov/nuccore?term=ANOS1[gene%20name]%...
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Can I upload only co-assemblies to ENA, using existing ENA samples?

Lets say I am using reads downloaded from ENA, assembling them and doing further downstream analyses. Would it be possible to then upload the results of the co-assemblies and other analyses back to ...
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1answer
196 views

Human Cell Atlas - Data availability

A news item from 2017-10-18 on the website of the Human Cell Atlas states: In addition, the consortium today also announced the impending release of gene expression profiles from the first one ...
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1answer
674 views

Downloading an open-source MAF with tumor and normal BAMs?

I'm writing an R package that manipulates MAF files. Normally, I generate a small example of a file and use this for testing. (e.g. a subsetted BAM or MAF). In this case, I would need a MAF and a ...
3
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1answer
150 views

Database of position weight matrices for protein motifs?

I am trying to identify proteins that carry a consensus target sequence for a kinase. Usually if I am working with, for e.g. transcription factors binding to DNA I would use position weight matrices (...
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1answer
402 views

What is the ICGC normalized_read_count?

I downloaded gene expression data (exp_seq) from the ICGC file browser. For each sample and gene, the file contains a ...
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0answers
142 views

Map domain names from UniProt bed files to domain accessions

I want to get a bed file mapping human protein domains to the human genome. UniProt actually offers such a thing here. The problem, however, is that the file doesn't include any kind of domain ...
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2answers
355 views

How to get all PDB homologs from Uniprot (mapping + BLAST)?

I'd like to create a dataset consisting of all sequences which are either present in the PDB, or whose homolog is present in the PDB. In other words, any sequence in the PDB or any sequence related to ...
3
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1answer
48 views

Automating sequence download from Wormbase

I'm working on the C. elegans model organism, for which there exists an online biological information database: Wormbase. I'm able to manually search for a transcript (say "K06C4.12") and this gets ...