getgenbank
Retrieve sequence information from GenBank database
Syntax
Description
getgenbank(
displays
information in the MATLAB® Command Window without returning data to a variable. The displayed information
is only hyperlinks to the URLs used to search for and retrieve the data. The
AccessionNumber
)getgenbank
function retrieves nucleotide information from the
GenBank® database. This database is maintained by the National Center for Biotechnology
Information (NCBI). For more details about the GenBank database, see https://www.ncbi.nlm.nih.gov/Genbank/
.
searches for the accession number in the GenBank database and returns Data
= getgenbank(AccessionNumber
)Data
, a MATLAB structure containing information for the sequence.
Tip
If an error occurs while retrieving the GenBank-formatted information, try rerunning the query. Errors can occur due to Internet connectivity issues that are unrelated to the GenBank record.
getgenbank(___,
specifies options using one or more name-value arguments in addition to the input arguments
in previous syntaxes. Each name-value argument is case insensitive.Name=Value
)
calls
Data
= getgenbank(___)getgenbank
returns Data
, a MATLAB structure containing information for the sequence.
Examples
Retrieve RNA Sequence
This example shows how to retrieve the sequence from chromosome 19, M10051
, that codes for the human insulin receptor and store it in a structure, S.
S = getgenbank('M10051')
S = struct with fields:
LocusName: 'HUMINSR'
LocusSequenceLength: '4723'
LocusNumberofStrands: ''
LocusTopology: 'linear'
LocusMoleculeType: 'mRNA'
LocusGenBankDivision: 'PRI'
LocusModificationDate: '06-JAN-1995'
Definition: 'Human insulin receptor mRNA, complete cds.'
Accession: 'M10051'
Version: 'M10051.1'
GI: ''
Project: []
DBLink: []
Keywords: 'insulin receptor; tyrosine kinase.'
Segment: []
Source: 'Homo sapiens (human)'
SourceOrganism: [4x65 char]
Reference: {[1x1 struct]}
Comment: [14x67 char]
Features: [50x74 char]
CDS: [1x1 struct]
Sequence: 'ggggggctgcgcggccgggtcggtgcgcacacgagaaggacgcgcggcccccagcgctcttgggggccgcctcggagcatgacccccgcgggccagcgccgcgcgcctgatccgaggagaccccgcgctcccgcagccatgggcaccgggggccggcggggggcggcggccgcgccgctgctggtggcggtggccgcgctgctactgggcgccgcgggccacctgtaccccggagaggtgtgtcccggcatggatatccggaacaacctcactaggttgcatgagctggagaattgctctgtcatcgaaggacacttgcagatactcttgatgttcaaaacgaggcccgaagatttccgagacctcagtttccccaaactcatcatgatcactgattacttgctgctcttccgggtctatgggctcgagagcctgaaggacctgttccccaacctcacggtcatccggggatcacgactgttctttaactacgcgctggtcatcttcgagatggttcacctcaaggaactcggcctctacaacctgatgaacatcacccggggttctgtccgcatcgagaagaacaatgagctctgttacttggccactatcgactggtcccgtatcctggattccgtggaggataatcacatcgtgttgaacaaagatgacaacgaggagtgtggagacatctgtccgggtaccgcgaagggcaagaccaactgccccgccaccgtcatcaacgggcagtttgtcgaacgatgttggactcatagtcactgccagaaagtttgcccgaccatctgtaagtcacacggctgcaccgccgaaggcctctgttgccacagcgagtgcctgggcaactgttctcagcccgacgaccccaccaagtgcgtggcctgccgcaacttctacctggacggcaggtgtgtggagacctgcccgcccccgtactaccacttccaggactggcgctgtgtgaacttcagcttctgccaggacctgcaccacaaatgcaagaactcgcggaggcagggctgccaccaatacgtcattcacaacaacaagtgcatccctgagtgtccctccgggtacacgatgaattccagcaacttgctgtgcaccccatgcctgggtccctgtcccaaggtgtgccacctcctagaaggcgagaagaccatcgactcggtgacgtctgcccaggagctccgaggatgcaccgtcatcaacgggagtctgatcatcaacattcgaggaggcaacaatctggcagctgagctagaagccaacctcggcctcattgaagaaatttcagggtatctaaaaatccgccgatcctacgctctggtgtcactttccttcttccggaagttacgtctgattcgaggagagaccttggaaattgggaactactccttctatgccttggacaaccagaacctaaggcagctctgggactggagcaaacacaacctcaccaccactcaggggaaactcttcttccactataaccccaaactctgcttgtcagaaatccacaagatggaagaagtttcaggaaccaaggggcgccaggagagaaacgacattgccctgaagaccaatggggacaaggcatcctgtgaaaatgagttacttaaattttcttacattcggacatcttttgacaagatcttgctgagatgggagccgtactggccccccgacttccgagacctcttggggttcatgctgttctacaaagaggccccttatcagaatgtgacggagttcgatgggcaggatgcgtgtggttccaacagttggacggtggtagacattgacccacccctgaggtccaacgaccccaaatcacagaaccacccagggtggctgatgcggggtctcaagccctggacccagtatgccatctttgtgaagaccctggtcaccttttcggatgaacgccggacctatggggccaagagtgacatcatttatgtccagacagatgccaccaacccctctgtgcccctggatccaatctcagtgtctaactcatcatcccagattattctgaagtggaaaccaccctccgaccccaatggcaacatcacccactacctggttttctgggagaggcaggcggaagacagtgagctgttcgagctggattattgcctcaaagggctgaagctgccctcgaggacctggtctccaccattcgagtctgaagattctcagaagcacaaccagagtgagtatgaggattcggccggcgaatgctgctcctgtccaaagacagactctcagatcctgaaggagctggaggagtcctcgtttaggaagacgtttgaggattacctgcacaacgtggttttcgtccccagaaaaacctcttcaggcactggtgccgaggaccctaggccatctcggaaacgcaggtcccttggcgatgttgggaatgtgacggtggccgtgcccacggtggcagctttccccaacacttcctcgaccagcgtgcccacgagtccggaggagcacaggccttttgagaaggtggtgaacaaggagtcgctggtcatctccggcttgcgacacttcacgggctatcgcatcgagctgcaggcttgcaaccaggacacccctgaggaacggtgcagtgtggcagcctacgtcagtgcgaggaccatgcctgaagccaaggctgatgacattgttggccctgtgacgcatgaaatctttgagaacaacgtcgtccacttgatgtggcaggagccgaaggagcccaatggtctgatcgtgctgtatgaagtgagttatcggcgatatggtgatgaggagctgcatctctgcgtctcccgcaagcacttcgctctggaacggggctgcaggctgcgtgggctgtcaccggggaactacagcgtgcgaatccgggccacctcccttgcgggcaacggctcttggacggaacccacctatttctacgtgacagactatttagacgtcccgtcaaatattgcaaaaattatcatcggccccctcatctttgtctttctcttcagtgttgtgattggaagtatttatctattcctgagaaagaggcagccagatgggccgctgggaccgctttacgcttcttcaaaccctgagtatctcagtgccagtgatgtgtttccatgctctgtgtacgtgccggacgagtgggaggtgtctcgagagaagatcaccctccttcgagagctggggcagggctccttcggcatggtgtatgagggcaatgccagggacatcatcaagggtgaggcagagacccgcgtggcggtgaagacggtcaacgagtcagccagtctccgagagcggattgagttcctcaatgaggcctcggtcatgaagggcttcacctgccatcacgtggtgcgcctcctgggagtggtgtccaagggccagcccacgctggtggtgatggagctgatggctcacggagacctgaagagctacctccgttctctgcggccagaggctgagaataatcctggccgccctccccctacccttcaagagatgattcagatggcggcagagattgctgacgggatggcctacctgaacgccaagaagtttgtgcatcgggacctggcagcgagaaactgcatggtcgcccatgattttactgtcaaaattggagactttggaatgaccagagacatctatgaaacggattactaccggaaagggggcaagggtctgctccctgtacggtggatggcaccggagtccctgaaggatggggtcttcaccacttcttctgacatgtggtcctttggcgtggtcctttgggaaatcaccagcttggcagaacagccttaccaaggcctgtctaatgaacaggtgttgaaatttgtcatggatggagggtatctggatcaacccgacaactgtccagagagagtcactgacctcatgcgcatgtgctggcaattcaaccccaagatgaggccaaccttcctggagattgtcaacctgctcaaggacgacctgcaccccagctttccagaggtgtcgttcttccacagcgaggagaacaaggctcccgagagtgaggagctggagatggagtttgaggacatggagaatgtgcccctggaccgttcctcgcactgtcagagggaggaggcggggggccgggatggagggtcctcgctgggtttcaagcggagctacgaggaacacatcccttacacacacatgaacggaggcaagaaaaacgggcggattctgaccttgcctcggtccaatccttcctaacagtgcctaccgtggcgggggcgggcaggggttcccattttcgctttcctctggtttgaaagcctctggaaaactcaggattctcacgactctaccatgtccagtggagttcagagatcgttcctatacatttctgttcatcttaaggtggactcgtttggttaccaatttaactagtcctgcagaggatttaactgtgaacctggagggcaaggggtttccacagttgctgctcctttggggcaacgacggtttcaaaccaggattttgtgttttttcgttccccccacccgcccccagcagatggaaagaaagcacctgtttttacaaattcttttttttttttttttttttttttttttgctggtgtctgagcttcagtataaaagacaaaacttcctgtttgtggaacaaaatttcgaaagaaaaaaccaaa'
SearchURL: 'https://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nuccore&id=M10051'
RetrieveURL: 'https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=nuccore&id=186439&rettype=gb&retmode=text&api_key=55022f38eb25e2f6b00a772015c7b77d6208'
Retrieve Partial RNA Sequence
This example shows how to retrieve only the coding sequence from chromosome 19 that codes for the human insulin receptor and store it in a structure, CDS
. To determine that the coding sequence is positions 139 through 4287, look at the Features field of the returned structure.
CDS = getgenbank('M10051',PartialSeq=[139,4287])
CDS = struct with fields:
LocusName: 'HUMINSR'
LocusSequenceLength: '4149'
LocusNumberofStrands: ''
LocusTopology: 'linear'
LocusMoleculeType: 'mRNA'
LocusGenBankDivision: 'PRI'
LocusModificationDate: '06-JAN-1995'
Definition: 'Human insulin receptor mRNA, complete cds.'
Accession: 'M10051 REGION: 139..4287'
Version: 'M10051.1'
GI: ''
Project: []
DBLink: []
Keywords: 'insulin receptor; tyrosine kinase.'
Segment: []
Source: 'Homo sapiens (human)'
SourceOrganism: [4x65 char]
Reference: {[1x1 struct]}
Comment: [14x67 char]
Features: [50x74 char]
CDS: [1x1 struct]
Sequence: 'atgggcaccgggggccggcggggggcggcggccgcgccgctgctggtggcggtggccgcgctgctactgggcgccgcgggccacctgtaccccggagaggtgtgtcccggcatggatatccggaacaacctcactaggttgcatgagctggagaattgctctgtcatcgaaggacacttgcagatactcttgatgttcaaaacgaggcccgaagatttccgagacctcagtttccccaaactcatcatgatcactgattacttgctgctcttccgggtctatgggctcgagagcctgaaggacctgttccccaacctcacggtcatccggggatcacgactgttctttaactacgcgctggtcatcttcgagatggttcacctcaaggaactcggcctctacaacctgatgaacatcacccggggttctgtccgcatcgagaagaacaatgagctctgttacttggccactatcgactggtcccgtatcctggattccgtggaggataatcacatcgtgttgaacaaagatgacaacgaggagtgtggagacatctgtccgggtaccgcgaagggcaagaccaactgccccgccaccgtcatcaacgggcagtttgtcgaacgatgttggactcatagtcactgccagaaagtttgcccgaccatctgtaagtcacacggctgcaccgccgaaggcctctgttgccacagcgagtgcctgggcaactgttctcagcccgacgaccccaccaagtgcgtggcctgccgcaacttctacctggacggcaggtgtgtggagacctgcccgcccccgtactaccacttccaggactggcgctgtgtgaacttcagcttctgccaggacctgcaccacaaatgcaagaactcgcggaggcagggctgccaccaatacgtcattcacaacaacaagtgcatccctgagtgtccctccgggtacacgatgaattccagcaacttgctgtgcaccccatgcctgggtccctgtcccaaggtgtgccacctcctagaaggcgagaagaccatcgactcggtgacgtctgcccaggagctccgaggatgcaccgtcatcaacgggagtctgatcatcaacattcgaggaggcaacaatctggcagctgagctagaagccaacctcggcctcattgaagaaatttcagggtatctaaaaatccgccgatcctacgctctggtgtcactttccttcttccggaagttacgtctgattcgaggagagaccttggaaattgggaactactccttctatgccttggacaaccagaacctaaggcagctctgggactggagcaaacacaacctcaccaccactcaggggaaactcttcttccactataaccccaaactctgcttgtcagaaatccacaagatggaagaagtttcaggaaccaaggggcgccaggagagaaacgacattgccctgaagaccaatggggacaaggcatcctgtgaaaatgagttacttaaattttcttacattcggacatcttttgacaagatcttgctgagatgggagccgtactggccccccgacttccgagacctcttggggttcatgctgttctacaaagaggccccttatcagaatgtgacggagttcgatgggcaggatgcgtgtggttccaacagttggacggtggtagacattgacccacccctgaggtccaacgaccccaaatcacagaaccacccagggtggctgatgcggggtctcaagccctggacccagtatgccatctttgtgaagaccctggtcaccttttcggatgaacgccggacctatggggccaagagtgacatcatttatgtccagacagatgccaccaacccctctgtgcccctggatccaatctcagtgtctaactcatcatcccagattattctgaagtggaaaccaccctccgaccccaatggcaacatcacccactacctggttttctgggagaggcaggcggaagacagtgagctgttcgagctggattattgcctcaaagggctgaagctgccctcgaggacctggtctccaccattcgagtctgaagattctcagaagcacaaccagagtgagtatgaggattcggccggcgaatgctgctcctgtccaaagacagactctcagatcctgaaggagctggaggagtcctcgtttaggaagacgtttgaggattacctgcacaacgtggttttcgtccccagaaaaacctcttcaggcactggtgccgaggaccctaggccatctcggaaacgcaggtcccttggcgatgttgggaatgtgacggtggccgtgcccacggtggcagctttccccaacacttcctcgaccagcgtgcccacgagtccggaggagcacaggccttttgagaaggtggtgaacaaggagtcgctggtcatctccggcttgcgacacttcacgggctatcgcatcgagctgcaggcttgcaaccaggacacccctgaggaacggtgcagtgtggcagcctacgtcagtgcgaggaccatgcctgaagccaaggctgatgacattgttggccctgtgacgcatgaaatctttgagaacaacgtcgtccacttgatgtggcaggagccgaaggagcccaatggtctgatcgtgctgtatgaagtgagttatcggcgatatggtgatgaggagctgcatctctgcgtctcccgcaagcacttcgctctggaacggggctgcaggctgcgtgggctgtcaccggggaactacagcgtgcgaatccgggccacctcccttgcgggcaacggctcttggacggaacccacctatttctacgtgacagactatttagacgtcccgtcaaatattgcaaaaattatcatcggccccctcatctttgtctttctcttcagtgttgtgattggaagtatttatctattcctgagaaagaggcagccagatgggccgctgggaccgctttacgcttcttcaaaccctgagtatctcagtgccagtgatgtgtttccatgctctgtgtacgtgccggacgagtgggaggtgtctcgagagaagatcaccctccttcgagagctggggcagggctccttcggcatggtgtatgagggcaatgccagggacatcatcaagggtgaggcagagacccgcgtggcggtgaagacggtcaacgagtcagccagtctccgagagcggattgagttcctcaatgaggcctcggtcatgaagggcttcacctgccatcacgtggtgcgcctcctgggagtggtgtccaagggccagcccacgctggtggtgatggagctgatggctcacggagacctgaagagctacctccgttctctgcggccagaggctgagaataatcctggccgccctccccctacccttcaagagatgattcagatggcggcagagattgctgacgggatggcctacctgaacgccaagaagtttgtgcatcgggacctggcagcgagaaactgcatggtcgcccatgattttactgtcaaaattggagactttggaatgaccagagacatctatgaaacggattactaccggaaagggggcaagggtctgctccctgtacggtggatggcaccggagtccctgaaggatggggtcttcaccacttcttctgacatgtggtcctttggcgtggtcctttgggaaatcaccagcttggcagaacagccttaccaaggcctgtctaatgaacaggtgttgaaatttgtcatggatggagggtatctggatcaacccgacaactgtccagagagagtcactgacctcatgcgcatgtgctggcaattcaaccccaagatgaggccaaccttcctggagattgtcaacctgctcaaggacgacctgcaccccagctttccagaggtgtcgttcttccacagcgaggagaacaaggctcccgagagtgaggagctggagatggagtttgaggacatggagaatgtgcccctggaccgttcctcgcactgtcagagggaggaggcggggggccgggatggagggtcctcgctgggtttcaagcggagctacgaggaacacatcccttacacacacatgaacggaggcaagaaaaacgggcggattctgaccttgcctcggtccaatccttcctaa'
SearchURL: 'https://www.ncbi.nlm.nih.gov/entrez/viewer.fcgi?db=nuccore&id=M10051'
RetrieveURL: 'https://eutils.ncbi.nlm.nih.gov/entrez/eutils/efetch.fcgi?db=nuccore&id=186439&rettype=gb&retmode=text&api_key=55022f38eb25e2f6b00a772015c7b77d6208&seq_start=139&seq_stop=4287'
Input Arguments
AccessionNumber
— Unique alphanumeric identifier for sequence record
character vector
Unique alphanumeric identifier for sequence record, specified as a character vector or string.
Example: 'M10051'
Data Types: char
| string
Name-Value Arguments
Specify optional pairs of arguments as
Name1=Value1,...,NameN=ValueN
, where Name
is
the argument name and Value
is the corresponding value.
Name-value arguments must appear after other arguments, but the order of the
pairs does not matter.
Example: PartialSeq=[139,4287]
PartialSeq
— Start and end positions of subsequence
two-element array of integers
Two-element array of integers containing the start and end positions of the
subsequence [
that specifies a subsequence to retrieve.
StartBP
,
EndBP
]StartBP
is an integer between 1 and EndBP
.
EndBP
is an integer between StartBP
and
the length of the sequence.
Example: PartialSeq=[139,4287]
ToFile
— GenBank data file
character vector
GenBank data file name or file path containing the data returned from the GenBank database, specified as a character vector or string. If you specify only a file name, the file is saved to the MATLAB current folder. The function does not append data to an existing file. Instead, it overwrites the contents of the existing file without warning.
Example: ToFile='myFile.m'
Data Types: char
| string
FileFormat
— Format for sequence information
'GenBank'
or 'FASTA'
(default) | character vector
Format for sequence information, specified as a character vector or string as:
'GenBank'
— Default whenSequenceOnly
isfalse
.'FASTA'
— Default whenSequenceOnly
istrue
.
When 'FileFormat'
is 'FASTA'
, then
Data
contains only two fields, Header
and
Sequence
.
Example: FileFormat='FASTA'
Data Types: char
| string
SequenceOnly
— Return only sequence in Data
false
(default) | true
Return only sequence in Data
, specified as
false
or true
. Specify true
to return the sequence.
TimeOut
— Connection timeout
5 (default) | positive scalar
Connection timeout in seconds, specified as a positive scalar. For more information, see here
Example: TimeOut=6
Data Types: double
Output Arguments
Data
— Sequence information
MATLAB structure
Sequence information, returned as a MATLAB structure.
Version History
Introduced before R2006aR2019a: Appending data to existing file
The function no longer appends data to an existing file. The function now overwrites the contents of the existing file without warning.
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