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朽木之痕鐵蟲 (小有名氣)
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[求助]
堿基成分分析所用軟件
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| 我想分析一段序列的堿基成分,不知道用什么軟件或是在線網(wǎng)站,各位大哥大姐幫忙一下啊。。。最好有步驟。 |
金蟲 (正式寫手)
grep "^[^>]" ...... | perl -e 'while(<> {$count_N+=s/N//g; $count_A+=s/A//g; $count_T+=s/T//g; $count_C+=s/C//g; $count_G+=s/G//g; } ; $count_sum=$count_G+$count_C+$count_A+$count_T; $count_GC=$count_G+$count_C; $GC_content=$count_GC/$count_sum ; $count_all=$count_sum+$count_N; $N_content=$count_N/$count_all ; print "N:"."$count_N"."\nA:"."$count_A"."\nT:"."$count_T"."\nC:"."$count_C"."\nG:"."$count_G"."\nAll:"."$count_all"."\nN_content:"."$N_content"."\nGC:"."$count_GC"."\nGC_content:"."$GC_content" ;' grep "^[^>]" ....... | sed -e 's/./&\n/g' | sort | uniq -c | sort -n (速度慢) 以上兩段命令都可以輕松解決,你的序列少,用第二個吧 |
鐵蟲 (小有名氣)
鐵蟲 (小有名氣)
鐵蟲 (小有名氣)
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