我有两个由氨基酸序列组成的列表(这不是生物学问题,但为上下文而陈述),其中List1
包含完整字符串(完整序列)的子字符串(部分序列)List2
包含完整字符串,其中一些包含来自List1
的子字符串,而一些字符串不包含
这些列表很大,这就是为什么要创建它们,但现在我不知道如何跟踪子字符串到完整字符串
下面是使用我自己数据集中的真实数据修改后的两个列表的示例。对于List1
中包含的两个子字符串,List2
中应该有两个匹配项。我已经确认匹配项在List2
List1 = ['QSLNQNVVSRTCPAVVSHRARRAVRVMATGSPLTFSKYQGLGNDFILIDNRHTSEPVVTPEQAVKICDRNFGVGGDGVIFALPPVGETDLTMRIFNSDGSEPEMCGNGIRCLAKFVADIDKSSPRKYKIHTLAGLIQPELLADGQVRVDMGAPILDGSKVPTTLTPTEGNTVVQQDLVVDGKTYKVTCVSMGNPHAVIYTCNGKTIKIDDLESDLAALGPKFERNTVFPARTNTEFVEVISPSHVRMVVWERGAGRTLACGTGACALVVAGILEGRVDRSKTCRVDLPGGPLQIEWSTVDNHIYMTGPAELVFGGSLRV', 'DMRISYERGGLEEAAFRGRDPMQVFDEWFKAAVAGKVCEEPNAISLASSNPSGQPSVRVVLLKGYDERGFVFYTNYSSRKGTELESGSAAFSIYWEKLQRQIRVEGTVEHVSEEESTAYFHSRPRGSQIGAWVSAQSQPCRNRGEMEARNAELQQRFSDESVPVPKPPHWGGYLIRPTRIEFWQGRPSRLHDRIRFRRPSPNESWVMERLQP']
List2 = [Seq('SSLPSNSVWASGKSYLGHLY*CVHPAHTVTFTLPLVAA*YRALSYDVRRSKFLT...LHL', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('PLYHLILSGPLENPT*DTYTDAFILLTRSLSPSLS*PRNTALCHMTFAVQNFLL...CIF', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('LSTI*FCLGLWKILPRTPILMRSSCSHGHFHPPSRSRVIPRFVI*RSPFKISYS...TAS', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('EDAVIESKCGQSHMPGCCQPPGTQGCARNGYGIAPDVLQVSGPW*RFHLD*QSP...VER', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('KMQSLNQNVVSRTCPAVVSHRARRAVRVMATGSPLTFSKYQGLGNDFILIDNRH...*RG', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('RCSH*IKMWSVAHARLLSATGHAGLCA*WLRDRP*RSPSIRALVTISS*LTIAT...GRE', HasStopCodon(ExtendedIUPACProtein(), '*')) Seq('VLTHVVASDKELLARAVRWEALPSRKNLSGLHHPSAPKPLSNSQYYSKKKPIRL...DFV', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('FLHTWLLPTRSCSRVQSAGKHCQAEKTSQVCITHRRLSH*ATLNITVKKNQSVS...QTS', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('SYTRGCFRQGVARACSPLGSIAKQKKPLRSASPIGA*AIKQLSILQ*KKTNPSH...RLR', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('HEVCVSVT*QHYVLP*RTNLWGHPSSELLSRVRINC*LQLLSVLNQCSIAHHRA...CKN', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('TKSAFQ*HNNIMFFPNAQIYGDTPAPSCYHVCA*IANCNYYLCSINAV*HIIAP...CVR', HasStopCodon(ExtendedIUPACProtein(), '*')), Seq('RSLRFSNITTLCSSLTHKFMGTPQLRVAITCAHKLLTATIICAQSMQYSTSSRQ...V*E', HasStopCodon(ExtendedIUPACProtein(), '*'))]
以下是我的脚本的高度浓缩版本,以了解更多上下文:
import os
import xml.etree.ElementTree as ET
from Bio.Seq import Seq
from Bio.Alphabet import generic_dna
path_to_allxmlfiles = "path/to/xml/file/dir/" # Path to a directory where a bunch of XML files are found.
xml_dir = os.listdir(path_to_allxmlfiles)
path_to_transcriptome = "path/to/transcriptome/file.fasta" #This is just a giant fasta file.
transcriptomefile = open(path_to_transcriptome, 'r')
List1=[]
for file in xml_dir:
if file.endswith(".xml"):
xml_file_path = os.path.join(path_to_allxmlfiles, file)
xml_files = open(xml_file_path, 'r')
for lines in xml_files:
tree = ET.parse(xml_files)
root = tree.getroot()
for substring in root.findall("./BlastOutput_iterations/Iteration/Iteration_hits/Hit[1]/Hit_hsps/Hsp[1]/substring"):
SUBSTRING = substring.text
List1.append(SUBSTRING)
fullstrlist1 = []
fullstrlist2 = []
fullstrlist3 = []
fullstrlist4 = []
fullstrlist5 = []
fullstrlist6 = []
for line in transcriptomefile:
if (stuff_was_done_here):
A_lot_of_stuff_done_here_where_I_appended_full_strings_to_six_lists. # I am translating in 6 reading frames so this is necessary because each reading frame is unique.
List2 = [fullstrlist1, fullstrlist2, fullstrlist3, fullstrlist4, fullstrlist5, fullstrlist6] #List2 is a combination of the six lists above.
for item in List2:
if any(x in item for x in List1):
print(item)
根据我所知,print(item)
中返回的不是包含来自List1
的子字符串的项
这是我关于StackOverflow的第一个问题。如果需要更多细节,请告诉我。我提前感谢你的帮助
我不太确定你问的是什么,但这里有两种搜索方法的示例
以及输出
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