Clustal Omega usage: Where is the score summary output?
0
1
Entering edit mode
9.8 years ago
dssouzadan ▴ 30

When I use the clustal omega I can't generate the score summary to evaluate the multiple alignment.

Using the --help command I saw that I can generate only the following alignment outputs:

--outfmt={a2m=fa[sta],clu[stal],msf,phy[lip],selex,st[ockholm],vie[nna]} MSA output file format (default: fasta)

The default output is in fasta format. So, there's no score table or summary output like ClustalW.

Is it correct to calculate the MSA percentage score using sum_of [*.: ocurrences] / MSA_align_length produced by the clustal output format (--outfmt=clu)?

or there are some parameter to generate the score file?

From the following MSA:

query                      -MKNTLLKLGVCVSLLGITPF--VSTISSVQAERTVEHKVIKNETGTISISQLNKNV---
gi|2984094                 ---------------MGGFLFFFLLVLFSFSSEYPKHV--------KETLRKITDRIYGV
gi|115023|sp|P10425|       MKKNTLLKVGLCVSLLGTTQF--VSTISSVQASQKVEQIVIKNETGTISISQLNKNV---
gi|115030|sp|P25910|       -MKTVFILIS---------------MLFPV---AVMAQK-SVKISDDISITQLSDKV---
gi|282554|pir||S25844      -------------------------------------M--------TVEVREVAE-----
                                                                            : :: .     

query                      -WVHTELGYFSG-EAVPSNGLVLNTSKGLVLVDSSWDDKLTKELIEMVEKKFKKRVTDVI
gi|2984094                 FGVYEQVSYENRG--FISNAYFYVADDGVLVVDALSTYKLGKELIESIRSVTNKPIRFLV
gi|115023|sp|P10425|       -WVHTELGYFNG-EAVPSNGLVLNTSKGLVLVDSSWDNKLTKELIEMVEKKFQKRVTDVI
gi|115030|sp|P25910|       -YTYVSLAEIEGWGMVPSNGMIVINNHQAALLDTPINDAQTEMLVNWVTDSLHAKVTTFI
gi|282554|pir||S25844      -GVYAYEQAPGGW--CVSNAGIVVGGDGALVVDTLSTIPRARRLAEWVDKLAAGPGRTVV
                             .:             **. .    .   ::*:       . * : : .        .:

query                      ITHAHADRIGGMKTLKERGIKAHSTALTAE------------LAKK---------NGYEE
gi|2984094                 VTHYHTDHFYGAKAFREVGAEVIAHEWAFDYI-SQPSSYNFFLARKKILKEHLEGTELTP
gi|115023|sp|P10425|       ITHAHADRIGGITALKERGIKAHSTALTAE------------LAKK---------SGYEE
gi|115030|sp|P25910|       PNHWHGDCIGGLGYLQRKGVQSYANQMTID------------LAKE---------KGLPV
gi|282554|pir||S25844      NTHFHGDHAFGNQVFAP-GTRIIAHEDMRSAMVTTGLAL-----TGLWPRVDWGEIELRP
                            .* * *   *   :   * .  :     .                              

query                      PLGDLQSVTNLKF----GNMKVETFYPGKGHTEDNIVVWLPQYQILAGGCLVKSASSKDL
gi|2984094                 PTITLTKNLNVYLQVGKEYKRFEVLHLCRAHTNGDIVVWIPDEKVLFSGDIVFDGRLPFL
gi|115023|sp|P10425|       PLGDLQTVTNLKF----GNTKVETFYPGKGHTEDNIVVWLPQYQILAGGCLVKSAEAKNL
gi|115030|sp|P25910|       PEHGFTDSLTVSL----DGMPLQCYYLGGGHATDNIVVWLPTENILFGGCMLKDNQATSI
gi|282554|pir||S25844      PNVTFRDRLTLH--VG--ERQVELICVGPAHTDHDVVVWLPEERVLFAGDVVMSGVTPFA
                           *   :    .:          .:      .*:  ::***:*  .:* .* :: .      

query                      GNVADAYVNEWSTSIENVLKRYGNINLVVPGHGEVGDRGLLLHTLDLLK-----------
gi|2984094                 GS---GNSRTWLVCLDEILKMKP--RILLPGHGEALIGEK--KIKEAVSWTRKYIKDLRE
gi|115023|sp|P10425|       GNVADAYVNEWSTSIENMLKRYRNINLVVPGHGKVGDKGLLLHTLDLLK-----------
gi|115030|sp|P25910|       GNISDADVTAWPKTLDKVKAKFPSARYVVPGHGDYGGTELIEHTKQIVN---QY----IE
gi|282554|pir||S25844      LF---GSVAGTLAALDRLAELEP--EVVVGGHGPVAGPEVIDANRDYLRWVQRLAADAVD
                                .        ::.:       . :: ***            : :            

query                      ------------------------------------------------------------
gi|2984094                 TIRKLYE--EGCDVECVRERINEELIKIDPSYAQVPVFFNVNPVNAYYVYFEIENEILMG
gi|115023|sp|P10425|       ------------------------------------------------------------
gi|115030|sp|P25910|       STSKP-------------------------------------------------------
gi|282554|pir||S25844      RRLTPLQAARRADLGAFAGLLDA---------------------ERLVANLHRAHEELLG


query                      --------------------------
gi|2984094                 E-------------------------
gi|115023|sp|P10425|       --------------------------
gi|115030|sp|P25910|       --------------------------
gi|282554|pir||S25844      GHVRDAMEIFAELVAYNGGQLPTCLA

Is it correct?:

sum_of [*.: ocurrences]: 69
MSA_alignment_length: 386
conservation percentage: 69/386 = 0,178756477 =~ 17,88%
clustal-omega alignment • 4.8k views
ADD COMMENT

Login before adding your answer.

Traffic: 1653 users visited in the last hour
Help About
FAQ
Access RSS
API
Stats

Use of this site constitutes acceptance of our User Agreement and Privacy Policy.

Powered by the version 2.3.6