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clustal-js
Advanced tools
Readme
This parses clustal output format
import { parse } from 'clustal-js'
const file = fs.readFileSync('test.aln', 'utf8')
const ret = parse(file)
Input
CLUSTAL O(1.2.4) multiple sequence alignment
sp|P69905|HBA_HUMAN MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHG 60
sp|P01942|HBA_MOUSE MVLSGEDKSNIKAAWGKIGGHGAEYGAEALERMFASFPTTKTYFPHFDVSHGSAQVKGHG 60
sp|P13786|HBAZ_CAPHI MSLTRTERTIILSLWSKISTQADVIGTETLERLFSCYPQAKTYFPHFDLHSGSAQLRAHG 60
* *: ::: : : *.*:. :. *:*:***:* .:* :********: ****::.**
sp|P69905|HBA_HUMAN KKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTP 120
sp|P01942|HBA_MOUSE KKVADALASAAGHLDDLPGALSALSDLHAHKLRVDPVNFKLLSHCLLVTLASHHPADFTP 120
sp|P13786|HBAZ_CAPHI SKVVAAVGDAVKSIDNVTSALSKLSELHAYVLRVDPVNFKFLSHCLLVTLASHFPADFTA 120
.**. *: .*. :*:: .*** **:***: *********:**********:* **:**
sp|P69905|HBA_HUMAN AVHASLDKFLASVSTVLTSKYR 142
sp|P01942|HBA_MOUSE AVHASLDKFLASVSTVLTSKYR 142
sp|P13786|HBAZ_CAPHI DAHAAWDKFLSIVSGVLTEKYR 142
.**: ****: ** ***.***
Output
{ consensus:
'* *: ::: : : *.*:. :. *:*:***:* .:* :********: ****::.**.**. *: .*. :*:: .*** **:***: *********:**********:* **:** .**: ****: ** ***.***',
alns:
[ { id: 'sp|P69905|HBA_HUMAN',
seq:
'MVLSPADKTNVKAAWGKVGAHAGEYGAEALERMFLSFPTTKTYFPHFDLSHGSAQVKGHGKKVADALTNAVAHVDDMPNALSALSDLHAHKLRVDPVNFKLLSHCLLVTLAAHLPAEFTPAVHASLDKFLASVSTVLTSKYR' },
{ id: 'sp|P01942|HBA_MOUSE',
seq:
'MVLSGEDKSNIKAAWGKIGGHGAEYGAEALERMFASFPTTKTYFPHFDVSHGSAQVKGHGKKVADALASAAGHLDDLPGALSALSDLHAHKLRVDPVNFKLLSHCLLVTLASHHPADFTPAVHASLDKFLASVSTVLTSKYR' },
{ id: 'sp|P13786|HBAZ_CAPHI',
seq:
'MSLTRTERTIILSLWSKISTQADVIGTETLERLFSCYPQAKTYFPHFDLHSGSAQLRAHGSKVVAAVGDAVKSIDNVTSALSKLSELHAYVLRVDPVNFKFLSHCLLVTLASHFPADFTADAHAAWDKFLSIVSGVLTEKYR' } ],
header:
{ info: 'CLUSTAL O(1.2.4) multiple sequence alignment',
version: '1.2.4' } }
import { parsePairwise } from 'clustal-js'
const file = fs.readFileSync('test.aln', 'utf8')
const ret = parse(file)
Input test.aln (e.g. from EMBOSS needle)
########################################
# Program: needle
# Rundate: Mon 5 Feb 2024 17:52:19
# Commandline: needle
# -auto
# -stdout
# -asequence emboss_needle-R20240205-175207-0261-70863964-p1m.asequence
# -bsequence emboss_needle-R20240205-175207-0261-70863964-p1m.bsequence
# Align_format: srspair
# Report_file: stdout
########################################
#=======================================
#
# Aligned_sequences: 2
# 1: a
# 2: b
# Matrix: EBLOSUM62
# Gap_penalty: 10.0
# Extend_penalty: 0.5
#
# Length: 614
# Identity: 221/614 (36.0%)
# Similarity: 221/614 (36.0%)
# Gaps: 393/614 (64.0%)
# Score: 1114.0
#
#
#=======================================
a 1 MGQKGHKDSLYPCGGTPESSLHEALDQCMTALDLFLTNQFSEALSYLKPR 50
b 0 -------------------------------------------------- 0
a 51 TKESMYHSLTYATILEMQAMMTFDPQDILLAGNMMKEAQMLCQRHRRKSS 100
b 0 -------------------------------------------------- 0
a 101 VTDSFSSLVNRPTLGQFTEEEIHAEVCYAECLLQRAALTFLQGSSHGGAV 150
b 0 -------------------------------------------------- 0
a 151 RPRALHDPSHACSCPPGPGRQHLFLLQDENMVSFIKGGIKVRNSYQTYKE 200
b 0 -------------------------------------------------- 0
a 201 LDSLVQSSQYCKGENHPHFEGGVKLGVGAFNLTLSMLPTRILRLLEFVGF 250
b 0 -------------------------------------------------- 0
a 251 SGNKDYGLLQLEEGASGHSFRSVLCVMLLLCYHTFLTFVLGTGNVNIEEA 300
b 0 -------------------------------------------------- 0
a 301 EKLLKPYLNRYPKGAIFLFFAGRIEVIKGNIDAAIRRFEECCEAQQHWKQ 350
b 0 -------------------------------------------------- 0
a 351 FHHMCYWELMWCFTYKGQWKMSYFYADLLSKENCWSKATYIYMKAAYLSM 400
||||||||
b 1 ------------------------------------------MKAAYLSM 8
a 401 FGKEDHKPFGDDEVELFRAVPGLKLKIAGKSLPTEKFAIRKSRRYFSSNP 450
||||||||||||||||||||||||||||||||||||||||||||||||||
b 9 FGKEDHKPFGDDEVELFRAVPGLKLKIAGKSLPTEKFAIRKSRRYFSSNP 58
a 451 ISLPVPALEMMYIWNGYAVIGKQPKLTDGILEIITKAEEMLEKGPENEYS 500
||||||||||||||||||||||||||||||||||||||||||||||||||
b 59 ISLPVPALEMMYIWNGYAVIGKQPKLTDGILEIITKAEEMLEKGPENEYS 108
a 501 VDDECLVKLLKGLCLKYLGRVQEAEENFRSISANEKKIKYDHYLIPNALL 550
||||||||||||||||||||||||||||||||||||||||||||||||||
b 109 VDDECLVKLLKGLCLKYLGRVQEAEENFRSISANEKKIKYDHYLIPNALL 158
a 551 ELALLLMEQDRNEEAIKLLESAKQNYKNYSMESRTHFRIQAATLQAKSSL 600
||||||||||||||||||||||||||||||||||||||||||||||||||
b 159 ELALLLMEQDRNEEAIKLLESAKQNYKNYSMESRTHFRIQAATLQAKSSL 208
a 601 ENSSRSMVSSVSL- 613
|||||||||||||
b 209 ENSSRSMVSSVSL* 222
#---------------------------------------
#---------------------------------------
See tests for example files
FAQs
This parses clustal output format
We found that clustal-js demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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