Difference between revisions of "Sequence Search and Multiple Sequence Alignment (PKU)"

From Bioinformatikpedia
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user 13m18.120s
  
user 13m18.120s
 
sys 0m8.480s
  
sys 0m8.480s
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===PDB===
−  
  +
To get structural information not directly contained in big_80, we performed an additional search in PDB at NCBI, with parameters: scoring matrix=PAM70, gap open = 10, gap extend = 1, composition based statistics, max. 1000 target sequences.
 
==MSA==
  
==MSA==

Revision as of 12:22, 30 April 2012

Short Task Description

Perform database searches using different search tools with the PAH protein as query

Create and evaluate multiple sequence alignments


Reference Sequence of PAH

>sp|P00439|PH4H_HUMAN Phenylalanine-4-hydroxylase OS=Homo sapiens GN=PAH PE=1 SV=1
MSTAVLENPGLGRKLSDFGQETSYIEDNCNQNGAISLIFSLKEEVGALAKVLRLFEENDV
NLTHIESRPSRLKKDEYEFFTHLDKRSLPALTNIIKILRHDIGATVHELSRDKKKDTVPW
FPRTIQELDRFANQILSYGAELDADHPGFKDPVYRARRKQFADIAYNYRHGQPIPRVEYM
EEEKKTWGTVFKTLKSLYKTHACYEYNHIFPLLEKYCGFHEDNIPQLEDVSQFLQTCTGF
RLRPVAGLLSSRDFLGGLAFRVFHCTQYIRHGSKPMYTPEPDICHELLGHVPLFSDRSFA
QFSQEIGLASLGAPDEYIEKLATIYWFTVEFGLCKQGDSIKAYGAGLLSSFGELQYCLSE
KPKLLPLELEKTAIQNYTVTEFQPLYYVAESFNDAKEKVRNFAATIPRPFSVRYDPYTQR
IEVLDNTQQLKILADSINSEIGILCSALQKI

Database Searches

Blast

time blast2 -p blastp -d /mnt/project/pracstrucfunc12/data/big/big -i Dropbox/Phenylketonuria/Task1/PAH.fasta -o results_blast2_standard

real 1m47.401s user 1m25.290s sys 0m18.280s

time blast2 -p blastp -d /mnt/project/pracstrucfunc12/data/big/big -i Dropbox/Phenylketonuria/Task1/PAH.fasta -o results_blast2_e-10 -e 0.0000000001 -v 2000

real 1m35.454s user 1m21.700s sys 0m3.100s

HHBlits

time hhblits -i Dropbox/Phenylketonuria/Task1/PAH.fasta -d /mnt/project/pracstrucfunc12/data/hhblits/uniprot20_current -o results_hhblits_standard

real 6m10.059s user 3m15.640s sys 0m40.220s

hhblits -i Dropbox/Phenylketonuria/Task1/PAH.fasta -d /mnt/project/pracstrucfunc12/data/hhblits/uniprot20_current -o results_hhblits_n4_e-7 -n 4 -e 0.0000001 -o results_hhblits_n4_e-7

HHSearch

time hhsearch -i Dropbox/Phenylketonuria/Task1/PAH.fasta -d /mnt/project/pracstrucfunc12/data/hhblits/uniprot20_current_hhm_db

real 13m27.782s user 13m18.120s sys 0m8.480s

PDB

To get structural information not directly contained in big_80, we performed an additional search in PDB at NCBI, with parameters: scoring matrix=PAM70, gap open = 10, gap extend = 1, composition based statistics, max. 1000 target sequences.

MSA

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