查看: 2052  |  回复: 6
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

朽木之痕

铁虫 (小有名气)

[求助] 碱基成分分析所用软件

我想分析一段序列的碱基成分,不知道用什么软件或是在线网站,各位大哥大姐帮忙一下啊。。。最好有步骤。
回复此楼
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

li059059

铜虫 (小有名气)

可以用mega来进行分析
4楼2012-05-07 14:35:41
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 7 个回答

robertorun

金虫 (正式写手)

【答案】应助回帖

★ ★
感谢参与,应助指数 +1
amisking: 金币+2, 鼓励发帖帮助解答问题。 2012-05-05 20:15:07
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)

以上两段命令都可以轻松解决,你的序列少,用第二个吧
2楼2012-05-05 14:32:11
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

朽木之痕

铁虫 (小有名气)

引用回帖:
2楼: Originally posted by robertorun at 2012-05-05 14:32:11:
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; $ ...

在哪里用那两段命令。。用什么软件进行序列分析
3楼2012-05-05 20:38:43
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

朽木之痕

铁虫 (小有名气)

引用回帖:
4楼: Originally posted by li059059 at 2012-05-07 14:35:41:
可以用mega来进行分析

具体的呢?怎么看碱基含量或是比例呢
5楼2012-05-09 14:17:56
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[硕博家园] 极限拉扯,如何抉择 +6 Isak0320 2026-10-12 9/450 2026-10-12 21:13 by Isak0320
[基金申请] 入职后第一次管课题组的专利缴费,对账才发现官费比别人多掏了一倍 +6 13108017953 2026-10-08 6/300 2026-10-12 20:07 by w3w3y3
[有机交流] OpenAI又攻克数学难题了,离AI做有机合成还有多远? +4 wangyl_123 2026-10-10 8/400 2026-10-12 18:09 by wangyl_123
[教师之家] 课题组会帮你通过考核么? +3 好运来~9527 2026-10-10 6/300 2026-10-12 14:55 by 简单化xn
[公派出国] 售一区SCI文章T0P,我:8O.551.O54,科目全,可十急 +5 qR2AdCWTVtkw 2026-10-09 9/450 2026-10-11 22:34 by XQNyDCa1Tk5n
[公派出国] 售SCI一区文章,我:8O5.5.1.O5.4,科目全,可伽急 +5 qR2AdCWTVtkw 2026-10-09 10/500 2026-10-11 22:26 by XQNyDCa1Tk5n
[找工作] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +5 qR2AdCWTVtkw 2026-10-09 8/400 2026-10-11 22:26 by XQNyDCa1Tk5n
[考博] 售SCI一区T0P文章,我:8.O55.1.O.54,科目全,可十急 +5 qR2AdCWTVtkw 2026-10-09 9/450 2026-10-11 22:15 by XQNyDCa1Tk5n
[考博] 售SCI一区文章,我:8.O.55.1.O.54,科目齐全,可伽急 +3 qR2AdCWTVtkw 2026-10-09 7/350 2026-10-11 22:11 by XQNyDCa1Tk5n
[教师之家] 售SCI文章,我:8O5.5.1.O.54,科目齐全,可+急 (EPI+-1)(金币-50) +5 qR2AdCWTVtkw 2026-10-09 10/500 2026-10-11 22:06 by XQNyDCa1Tk5n
[教师之家] 售SCI一区T0P文章,我:8.O.55.1.O.5.4,科目全,可+急 (EPI+-1)(金币-50) +5 qR2AdCWTVtkw 2026-10-09 10/500 2026-10-11 14:25 by VOMexwnDzOFZ
[教师之家] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 (EPI+-1)(金币-50) +4 qR2AdCWTVtkw 2026-10-09 7/350 2026-10-11 14:05 by VOMexwnDzOFZ
[考研] 售SCI文章,我:8O.5.5.1O.54,科目全,可十急 +5 qR2AdCWTVtkw 2026-10-09 8/400 2026-10-11 13:51 by VOMexwnDzOFZ
[硕博家园] 售SCI-T0P文章,我:8O.5.5.1.O.54,科目齐全,可+急 +5 qR2AdCWTVtkw 2026-10-09 8/400 2026-10-11 13:45 by VOMexwnDzOFZ
[找工作] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +3 qR2AdCWTVtkw 2026-10-09 7/350 2026-10-11 10:54 by VOMexwnDzOFZ
[找工作] 售SCI一区T0P文章,我:8O.55.1.O.5.4,科目齐全,可+急 +4 qR2AdCWTVtkw 2026-10-09 7/350 2026-10-11 10:34 by VOMexwnDzOFZ
[考博] 招收博士生一名 +3 mandolin 2026-10-10 3/150 2026-10-11 10:21 by 不是山谷!
[公派出国] 售SCI一区T0P文章,我:8O.55.1.O.54,科目全,可伽急 +4 qR2AdCWTVtkw 2026-10-09 4/200 2026-10-11 03:14 by M0zrYVSAnxpE
[有机交流] 各位大佬,路线设计求助 +6 zapen 2026-10-08 8/400 2026-10-10 15:59 by zapen
[有机交流] 我应该选哪条合成路线让实验成功率高一些? +5 jing816y 2026-10-08 9/450 2026-10-10 09:05 by zapen
信息提示
请填处理意见