1. 寻找相关同源序列
1.1 InterPro
1.2 物种特异基因家族数据库
拟南芥:https://www.arabidopsis.org/
进入Gene Families(https://www.arabidopsis.org/browse/genefamily/index.jsp)
找到要找的基因家族(WOX)
看到WOX基因的分类(https://www.arabidopsis.org/browse/genefamily/wox.jsp)
WUS At2g17950
WOX1 At3g18010
WOX2 At5g59340
WOX3 At2g28610
WOX4 At1g46480
WOX5 At3g11260
WOX6 At2g01500
WOX7 At5g05770
WOX8 At5g45980
WOX9 At2g33880
WOX10 At1g20710
WOX11 At3g03660
WOX12 At5g17810
WOX13 At4g35550
WOX14 At1g20700
2. 目标物种蛋白序列建库
# blast/diamond
makeblastdb -in AT_WOX.fa -dbtype prot
3. 比对
blastp -query pep.fa -db AT_WOX.fa -evalue 1e-5 -outfmt '6 std qlen slen' -out WOX.blastout
# blast结果基于identity 30% 过滤
awk '{if($3 > 50)print $1}' WOX.blastout