Map between SomaScan SeqIds and Gene Symbols
SomaScanSYMBOL.Rd
SomaScanSYMBOL
is an R object that provides mappings between
SeqIds
and gene abbreviations.
Details
Each SeqId
is mapped to an abbreviation (symbol) for the
corresponding gene. An NA
is reported if there is no known
abbreviation for a given gene.
Symbols typically consist of 3-6 letters that define either a single gene (ABC) or multiple genes (ABC1, ABC2, ABC3). Gene symbols can be used as key words to query public databases such as Entrez Gene.
Mappings were based on data provided by Entrez Gene (ftp://ftp.ncbi.nlm.nih.gov/gene/DATA), with a date stamp from the source of: 2021-Sep13
Value
A Bimap object of the ProbeAnnDbBimap
class.
See also
AnnotationDb-class
for use of
the select()
interface.
Examples
## select() interface:
## Objects in this package can be accessed using the select() interface
## from the AnnotationDbi package. See ?select for details.
## Bimap interface:
x <- SomaScanSYMBOL
# Get the probe identifiers that are mapped to a gene symbol
mapped_probes <- mappedkeys(x)
# Convert to a list
xx <- as.list(x[mapped_probes][1:300])
if(length(xx) > 0) {
# Get the SYMBOL for the first five probes
xx[1:5]
# Get the first value
xx[[1]]
}
#> [1] "CRYBB2"