Questions tagged [public-databases]
Use this tag for questions about how to use, download, retrieve, check and browse public databases.
111
questions
1
vote
2
answers
101
views
How many protein sequences do we usually have for each species?
My question is exactly the one in the title. I add a particular example for more clarity. If I want to study the sequence of protein IkBα, do I find only one sequence or is there a database that ...
4
votes
1
answer
171
views
How to get a GISAID account? I registered months ago, still no reply!
Inspired by amateur variant hunters, I would like to join the Pango lineage proposal community and help contribute to variant surveillance.
However, I cannot seem to get access to GISAID, the platform ...
- 43
2
votes
1
answer
32
views
NCBI Blast databases - cannot find some databases
I'm working with a system that does local BLAST searches using some preconfigured BLAST databases. From what I see, these were updated within the last year, but I cannot find any current databases ...
- 175
1
vote
1
answer
51
views
Gene rank scores from LINCS database: Evangelista et al. 2022
The website https://maayanlab.cloud/sigcom-lincs/#/SignatureSearch/UpDown can be used to "Identify reversers and mimickers from over 1 million signatures by entering up and down gene sets .. &...
- 11
0
votes
0
answers
26
views
Get BioProject code of a GEO dataset
In publications the GEO code is usually shared and not the BioProject/study code.
I want to get the BioProject/Study Accession code of a GEO dataset (to later download the data from ENA).
I know that ...
- 4,682
1
vote
1
answer
42
views
Transcript vs Primary transcript on phytozome
Could someone help me understand what the difference between transcript and primary transcript on phytozme is? For example, this dataset of A.thaliana has "primary transcript CDS" vs CDS.
...
- 217
2
votes
1
answer
57
views
Get a comprehensive list of virulence factors for certain or all pathogens?
Is there a database with all known proteins/genes of specific pathogens such as Staph aureus and annotated whether it is a known virulence or resistance factor that idealy can be downloaded in table ...
- 1,285
2
votes
1
answer
196
views
how to download all metadata for a single TCGA dataset and link to data file UUIDs?
I've been able to download specific data types from the TCGA portal (https://portal.gdc.cancer.gov/) using the Manifest files and the GDC Tool.
But it's not clear to me how to download the metadata (e....
- 2,294
1
vote
1
answer
45
views
Why do Illumina 850k/EPIC arrays ignore CpGs which are "GC" in the forward strand?
CpGs are symmetrical, in that a CG sequence on the forward strand is hybridized to a GC --- and both dinucleotides on each opposing strand are CpGs dinucleotides which can be methylated. Conversely, ...
- 141
1
vote
0
answers
94
views
Creating maps.fld file of protein for AutoDock GPU
I want to use AutoDock GPU, which accepts protein.maps.fld and ligand.pdbqt files.
Since I am performing high throughput virtual screening, shall I just load protein AutoDockTools and create protein....
2
votes
0
answers
27
views
What data set was used Gene Expression Data of Postmortem Tissues?
I want to run the experiments "Sample Application to Genotype-Tissue Expression (GTEx) Project Gene Expression Data of Postmortem Tissues" mentioned in "Enter the Matrix: Factorization ...
- 487
1
vote
0
answers
45
views
GSEA. Subsetting Gene Ontology, Biological Processes, by gene set families of interest
I have run GSEA - on Gene Ontology , Biological Processes (GO and BP hereafter) - on some Mouse bulk RNA-seq data, and am currently in the process of going through the results. To do this, I have used ...
- 836
2
votes
0
answers
16
views
Active sites of the query protein does not align with the top hit using HHpred
I am having difficulties with an alignment on HHpred and was wondering if anyone had any answer to the following:
I am trying to align my protein (PDB 2VU9, a Botulinum Neurotoxin Type a) with one of ...
2
votes
0
answers
171
views
What is the difference between flat and stereo stitch id?
For my thesis, I'm working on side effect prediction in a machine learning framework and I am working on data available on SIDER (http://sideeffects.embl.de/download/). If you open the README file, ...
- 21
3
votes
2
answers
370
views
What happened to sra ftp server?
My whole (professional) life I am downloading sequences from SRA and ENA databases. Long time ago, I used prefetch from sra-tools, but later I switched to simply using wget from ftp servers of the two ...
- 5,497
3
votes
0
answers
26
views
OMIM diseases to UMLS mapping
Is there any public available mapping between Online Mendelian Inheritance in Man (OMIM) diseases and Unified Medical Language System (UMLS) concepts?
OMIM has mapping for genes to entrez or ensembl, ...
- 131
3
votes
2
answers
118
views
How to get the number of complete phage genomes available on ncbi?
I am looking to establish the total number of complete phage genomes available on NCBI.
I am not looking for any specific type, but want to understand the total diversity available.
How can I perform ...
2
votes
0
answers
74
views
Mapping ICD9 codes in UKBB data to PheCodes using PheWAS package
I am working on the UKBB data and trying to specify cases and controls by converting ICD9 codes to PheCodes. I have input data (icdt) where the first column (f.eid) is patient IDs and the remaining ...
- 21
0
votes
1
answer
180
views
How to get a FASTA format file with the DNA sequences of all annotated genes?
I am analysing Pyrococcus Furiosus DNA sequencing data by considering data published here in NCBI. When I click on "Send to">"Gene Features">"FASTA format" I ...
2
votes
1
answer
274
views
dbSNP GRch37 Download
I am still new to this.
I am trying to download the GRch37 dbSNP data from the NCBI dbSNP Browser using the "Send to:" button. But whenever I select
"Send to:" > "File"...
- 21
1
vote
1
answer
123
views
Where to find publicly available Sanger chromatography data?
I am looking for any public available databases where I can download Sanger chromatography data ideally in Ab1 or SCF file format. I need extremely large amounts of this, since I want to use it for ...
- 151
0
votes
1
answer
26
views
Where can I find a basic example for testing association between a phenotype and each of the variants of a chromosome?
I am a statistics student trying to find data suitable for a particular method. From what I have read so far, it is of interest to determine if variants within a chromosome are associated with a ...
2
votes
1
answer
2k
views
How to download data from SRA in Linux systems via the command line?
My workflow for downloading data from SRA has been the following:
Access SRA Run Selector.
Enter the accession number for the project of interest.
Download "Accession List" for the "...
3
votes
2
answers
87
views
Retrieval of metadata of a batch of 3953 sequence data from GISAID database
I need to retrieve COVID-19 metadata (such as date of collection of sequence data, location, etc.) for a batch of 3953 GISAID accessions from the GISAID database.
I am not very comfortable with GISAID....
- 131
1
vote
1
answer
56
views
How to specify the list of contigs in AGP gap file used for ENA submissions
I am battling the submission of scaffolded assembly to EBI, somehow I can not get AGP gap file right.
background
The only option seems to be using the Webin-CLI submission interface. For the ...
- 5,497
2
votes
0
answers
100
views
PubMed Central Open Access archives are corrupted
I'm trying to download PubMed Central Open Access articles from ftp://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_bulk. However, I am not able to decompress the archives without errors.
...
- 121
1
vote
0
answers
15
views
Ccle miRna data units
Does anybody know what units the mirna expression data on ccle is in? I saw the pipeline in the original paper but it doesn't mention units.
Original paper: https://www.nature.com/articles/s41586-019-...
- 11
1
vote
1
answer
59
views
Question about public availability of human SNP dataset with country of origin
Is there a publicly available data set for humans SNPs, preferably together with the country of origin? If so, could someone please point me towards it.
I've looked through other questions on the site ...
- 113
1
vote
1
answer
104
views
How to identify genes from a genome assembly of C. Elegans?
I have two full genome assemblies for C. Elegans samples collected from two different geographical areas that I found on WormBase. These are in fasta format. I want to go gene-by-gene and compare the ...
- 113
1
vote
1
answer
41
views
Are there any databases for gene co-expression or expression pattern clustering?
I am currently working on gene clustering based on co-expression pattern in mouse brain. The problem is I do not have some solid way to test my result. Are there any suggestions for databases ...
- 13
3
votes
1
answer
110
views
What tools can I use to look up my alleles, genotypes, or phenotypes from my sequenced DNA (WGS)?
I bought a "Whole Genome Sequence" kit, which gave me the following VCF files (this service did not include any analysis, just the raw data):
cnv.vcf
<...
- 131
6
votes
1
answer
118
views
How to search for high coverage SRA entries
The Question
I want to find high coverage SRA entries, e.g., above 100x.
I guess the best way is to use https://www.ncbi.nlm.nih.gov/sra with an appropriate search term. I don't mind if the search ...
- 261
0
votes
1
answer
906
views
OpenAPI-Generator Python Client Instructions Examples
Trying to learn a little bit of Python and Biopython I ended up figuring out what a Rest API is when the RCSB PDB repository released its new Rest API.
I tried to retrieve info from the PDB repository ...
- 827
1
vote
0
answers
11
views
Drug classification database information
Is there any database that give information about the drug class. Right now I have all the MeSH id of the drugs from different publications. So right now I'm looking one by one drug looking at the ...
- 1,734
0
votes
4
answers
162
views
Where can I find Single Cell Data with Location "Coordinates"?
Does single cell data typically have the following meta-data: the "coordinates" (e.g. on a tissue, adjacent tissues) saying where each cell in the sample was located relative to other cells? ...
1
vote
0
answers
31
views
Fastq dataset after clustering
I'm doing a project for DNA archival storage systems
Is there an open-source dataset used as ground truth for clustering?
E.g
A file containing the ground truth strand sequences, which have been ...
- 111
2
votes
0
answers
276
views
Convert MeSH term to drugbank ID
I have set of annotated term of drugs extracted from PubTator those drugs are annotated in form of MeSH terms. I would like to map them into drugbank ID. I do search the the MeSH term i find the ...
- 1,734
2
votes
2
answers
158
views
Where can I find the genotype frequencies for the SNP's that are tested at 23andMe, Ancestry and FTDNA/MyHeritage?
I want to add the frequencies of the genotypes to a baseline of raw DNA data I've got from the DNA testing companies 23andMe, Ancestry and MyHeritage (tested at all). All in build 37 human genome.
...
- 129
1
vote
1
answer
68
views
How to compact variant data to their genes without bias?
I have a dataset of genes I am trying to collect data on from public databases, to use as features in machine learning. I am trying to take some features from UCSC genome browser (e.g. number of CpG ...
- 25
0
votes
1
answer
92
views
europmc and tidypmc R library for extracting or making metadata from publication
I'm trying to use this europmc r libray where I have a list of pmids to look for. I tried with pubtator but its bit complicated.In Europmc i can all the annotated terms etc.
...
- 1,734
2
votes
4
answers
515
views
How can I obtain FTP links to studies in ENA given a BioProject ID?
How can I programmatically obtain ftp links to RNA seq fastq files in ENA? Here's an example of a link that I would be interested in obtaining:
...
4
votes
1
answer
69
views
Where can I find lncRNA expression data for different cell types?
Are there any publicly available databases singularly providing expression data for any given long non-coding RNA (lncRNA) for
varying cell types
any species
preferably including humans?
...
- 115
0
votes
1
answer
38
views
Determine if an organism is microbic or unicellular
I am doing some metagenomic analysis of samples which can only contain microbes due to the experimental setup.
For this, it would be useful to be able to distinguish whether a specific organism is a ...
- 101
1
vote
0
answers
23
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-...
- 25
1
vote
0
answers
29
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 ...
- 111
1
vote
1
answer
6k
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: ...
- 123
1
vote
0
answers
130
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 ...
- 261
1
vote
0
answers
60
views
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 ...
- 261
3
votes
2
answers
684
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: <...
- 123
1
vote
1
answer
218
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, ...
- 225