我有以下文本数据的几条记录（这是一条记录）。我想将此文本转换为data.frame。我想制作列标题，例如LOCUS，DEFINITION，ACCESSION等...... 什么是这项任务最简单的解决方案。
LOCUS KU217831 477 bp DNA linear BCT 21-JUN-2016
DEFINITION Candidatus
ribosomal RNA gene, partial sequence.
ACCESSION KU217831
VERSION KU217831.1 GI:972300480
KEYWORDS .
SOURCE Candidatus
ORGANISM Candidatus
Bacteria; Planctomycetes; Planctomycetia; Candidatus Brocadiales;
REFERENCE 1 (bases 1 to 477)
AUTHORS Zheng,Y., Jiang,X., Hou,L., Liu,M., Lin,X., Gao,J., Li,X., Yin,G.,
Yu,C. and Wang,R.
TITLE Shifts in the community structure and activity of anaerobic
ammonium oxidation bacteria along an estuarine salinity gradient:
Shift in anammox along salinity gradient
JOURNAL Biogeosciences (2016) In press
REFERENCE 2 (bases 1 to 477)
AUTHORS Zheng,Y. and Hou,L.
TITLE Direct Submission
JOURNAL Submitted (29-NOV-2015) State Key Laboratory of Estuarine and
Coastal Research, East China Normal University, North Zhongshan
Road, Shanghai, Shanghai 200062, China
COMMENT Sequences were screened for chimeras by the submitter using Qiime
1.9.0.
##Assembly-Data-START##
Sequencing Technology :: Sanger dideoxy sequencing
##Assembly-Data-END##
FEATURES Location/Qualifiers
source 1..477
/organism="Candidatus Anammoxoglobus propionicus"
/mol_type="genomic DNA"
/isolation_source="Yangtze Estuary sediment"
/db_xref="taxon:363279"
/clone="Y4_Winter_53"
/country="China"
/PCR_primers="fwd_name: amx368f, fwd_seq:
ttcgcaatgcccgaaagg, rev_name: amx820r, rev_seq:
aaaacccctctacttagtgccc"
rRNA <1..>477
/product="16S ribosomal RNA"
ORIGIN
1 ttcgcaatgc ccgaaagggt gacgaagcga cgccgcgtgt gggaagaagg ccttcgggtt
61 gtaaaccact gtcaggagtt aagaaatata gaaatgttaa tagcattttt atttgactaa
121 agctccagag gaagccacgg ctaactctgt gccagcagcc gcggtaatac agaggtggca
181 agcgttgttc ggaattattg ggcgtaaaga gcacgtaggc ggccttgcaa gtcagttgtg
241 aaatccttcc gcttaacggg agaacggcgg ctgatactac agggctagag tacgggaggg
301 gagagcggaa cttctggtgg agcggtgaaa tgcgtagata tcagaaggaa cgccggcggc
361 gaaagcggct ctctggcccg aaactgacgc tgagtgtgcg aaagctaggg gagcaaacgg
421 gattagatac cccggtagtc ctagccgtaa acgatgggca ctaagtagag gggtttt