BCBio의 GFF 파서를 사용해 본 결과 도구에 사용할 수 있기를 기대합니다. NCBI의 RefSeq 데이터베이스에서 .gbk 파일을 가져 와서 .gff 파일로 구문 분석했습니다.BCBio의 GFF 파서가있는 구문 분석이 올바르지 않습니다.
코드 나는 (http://biopython.org/wiki/GFF_Parsing에서) 사용 :
여기#!/usr/bin/python
from BCBio import GFF
from Bio import SeqIO
def convert_to_GFF3():
in_file = "/var/www/localhost/NC_009925.gbk"
out_file = "/var/www/localhost/output/your_file.gff"
in_handle = open(in_file)
out_handle = open(out_file, "w")
GFF.write(SeqIO.parse(in_handle, "genbank"), out_handle)
in_handle.close()
out_handle.close()
convert_to_GFF3()
은 결과의 일부입니다
##gff-version 3
##sequence-region NC_009925.1 1 6503724
NC_009925.1 annotation remark 1 6503724 . . . accessions=NC_009925;comment=PROVISIONAL REFSEQ: This record has not yet been subject to final%0ANCBI review. The reference sequence was derived from CP000828.%0ASource bacteria from Marine Biotechnology Institute Culture%0ACollection%2C Marine Biotechnology Institute%2C 3-75-1 Heita%2C Kamaishi%2C%0AIwate 026-0001%2C Japan.%0ACOMPLETENESS: full length.;data_file_division=CON;date=10-JUN-2013;gi=158333233;keywords=;organism=Acaryochloris marina MBIC11017;references=location: %5B0:6503724%5D%0Aauthors: Swingley%2CW.D.%2C Chen%2CM.%2C Cheung%2CP.C.%2C Conrad%2CA.L.%2C Dejesa%2CL.C.%2C Hao%2CJ.%2C Honchak%2CB.M.%2C Karbach%2CL.E.%2C Kurdoglu%2CA.%2C Lahiri%2CS.%2C Mastrian%2CS.D.%2C Miyashita%2CH.%2C Page%2CL.%2C Ramakrishna%2CP.%2C Satoh%2CS.%2C Sattley%2CW.M.%2C Shimada%2CY.%2C Taylor%2CH.L.%2C Tomo%2CT.%2C Tsuchiya%2CT.%2C Wang%2CZ.T.%2C Raymond%2CJ.%2C Mimuro%2CM.%2C Blankenship%2CR.E. and Touchman%2CJ.W.%0Atitle: Niche adaptation and genome expansion in the chlorophyll d-producing cyanobacterium Acaryochloris marina%0Ajournal: Proc. Natl. Acad. Sci. U.S.A. 105 %286%29%2C 2005-2010 %282008%29%0Amedline id: %0Apubmed id: 18252824%0Acomment:,location: %5B0:6503724%5D%0Aauthors: %0Aconsrtm: NCBI Genome Project%0Atitle: Direct Submission%0Ajournal: Submitted %2817-OCT-2007%29 National Center for Biotechnology Information%2C NIH%2C Bethesda%2C MD 20894%2C USA%0Amedline id: %0Apubmed id: %0Acomment:,location: %5B0:6503724%5D%0Aauthors: Touchman%2CJ.W.%0Atitle: Direct Submission%0Ajournal: Submitted %2827-AUG-2007%29 Pharmaceutical Genomics Division%2C Translational Genomics Research Institute%2C 13208 E Shea Blvd%2C Scottsdale%2C AZ 85004%2C USA%0Amedline id: %0Apubmed id: %0Acomment:;sequence_version=1;source=Acaryochloris marina MBIC11017;taxonomy=Bacteria,Cyanobacteria,Oscillatoriophycideae,Chroococcales,Acaryochloris
NC_009925.1 feature source 1 6503724 . + . db_xref=taxon:329726;mol_type=genomic DNA;note=type strain of Acaryochloris marina;organism=Acaryochloris marina MBIC11017;strain=MBIC11017
NC_009925.1 feature gene 931 1581 . - . db_xref=GeneID:5685235;locus_tag=AM1_0001;note=conserved hypothetical protein;pseudo=
NC_009925.1 feature gene 1627 2319 . - . db_xref=GeneID:5678840;locus_tag=AM1_0003
문제는 세 번째와 네 번째 줄에있다 : 그것은 전체 헤더 정보를한다 .gbk에서 가져 와서 줄을 넣습니다. 반면 건너 뜁니다. 마지막 두 줄은 정확합니다 (나머지 출력 파일도 마찬가지입니다). 몇 가지 다른 .gbk 파일을 사용해 보았습니다. 모두 동일한 결과를 산출합니다.
이LOCUS NC_009925 6503724 bp DNA circular CON 10-JUN-2013
DEFINITION Acaryochloris marina MBIC11017 chromosome, complete genome.
ACCESSION NC_009925
VERSION NC_009925.1 GI:158333233
DBLINK Project: 58167
BioProject: PRJNA58167
KEYWORDS .
SOURCE Acaryochloris marina MBIC11017
ORGANISM Acaryochloris marina MBIC11017
Bacteria; Cyanobacteria; Oscillatoriophycideae; Chroococcales;
Acaryochloris.
REFERENCE 1 (bases 1 to 6503724)
AUTHORS Swingley,W.D., Chen,M., Cheung,P.C., Conrad,A.L., Dejesa,L.C.,
Hao,J., Honchak,B.M., Karbach,L.E., Kurdoglu,A., Lahiri,S.,
Mastrian,S.D., Miyashita,H., Page,L., Ramakrishna,P., Satoh,S.,
Sattley,W.M., Shimada,Y., Taylor,H.L., Tomo,T., Tsuchiya,T.,
Wang,Z.T., Raymond,J., Mimuro,M., Blankenship,R.E. and
Touchman,J.W.
TITLE Niche adaptation and genome expansion in the chlorophyll
d-producing cyanobacterium Acaryochloris marina
JOURNAL Proc. Natl. Acad. Sci. U.S.A. 105 (6), 2005-2010 (2008)
PUBMED 18252824
REFERENCE 2 (bases 1 to 6503724)
CONSRTM NCBI Genome Project
TITLE Direct Submission
JOURNAL Submitted (17-OCT-2007) National Center for Biotechnology
Information, NIH, Bethesda, MD 20894, USA
REFERENCE 3 (bases 1 to 6503724)
AUTHORS Touchman,J.W.
TITLE Direct Submission
JOURNAL Submitted (27-AUG-2007) Pharmaceutical Genomics Division,
Translational Genomics Research Institute, 13208 E Shea Blvd,
Scottsdale, AZ 85004, USA
COMMENT PROVISIONAL REFSEQ: This record has not yet been subject to final
NCBI review. The reference sequence was derived from CP000828.
Source bacteria from Marine Biotechnology Institute Culture
Collection, Marine Biotechnology Institute, 3-75-1 Heita, Kamaishi,
Iwate 026-0001, Japan.
COMPLETENESS: full length.
FEATURES Location/Qualifiers
source 1..6503724
/organism="Acaryochloris marina MBIC11017"
/mol_type="genomic DNA"
/strain="MBIC11017"
/db_xref="taxon:329726"
/note="type strain of Acaryochloris marina"
gene complement(931..1581)
/locus_tag="AM1_0001"
/note="conserved hypothetical protein"
/pseudo
/db_xref="GeneID:5685235"
gene complement(1627..2319)
/locus_tag="AM1_0003"
/db_xref="GeneID:5678840"
CDS complement(1627..2319)
/locus_tag="AM1_0003"
/codon_start=1
/transl_table=11
/product="NUDIX hydrolase"
/protein_id="YP_001514406.1"
/db_xref="GI:158333234"
/db_xref="GeneID:5678840"
/translation="MPYTYDYPRPGLTVDCVVFGLDEQIDLKVLLIQRQIPPFQHQWA
LPGGFVQMDESLEDAARRELREETGVQGIFLEQLYTFGDLGRDPRDRIISVAYYALIN
LIEYPLQASTDAEDAAWYSIENLPSLAFDHAQILKQAIRRLQGKVRYEPIGFELLPQK
FTLTQIQQLYETVLGHPLDKRNFRKKLLKMDLLIPLDEQQTGVAHRAARLYQFDQSKY
ELLKQQGFNFEV"
사람이 내가이 문제를 해결하는 방법을 알고 있나요 : 참고로
, 여기에 .gbk 파일의 시작인가? 내가 처음이 잘못된 줄을 필터링 할 다음 줄을 사용했습니다
는 :
if "\tannotation\t" in line or "feature\tsource" in line:
이 여러 테스트 .gbk 년대에 작동하는 것 같다. 그러나 나는 왜 그것이 처음에 그것들을 파싱하는지에 관해서 아직도 흥미 롭다.