Detailed information    

experimental Experimentally validated

Overview

Name   comFA/cflA   Type   Machinery gene
Locus tag   SP_RS11275 Genome accession   NC_003028
Coordinates   2128404..2129702 (-) Length   432 a.a.
NCBI ID   WP_000867616.1    Uniprot ID   A0A0H2US77
Organism   Streptococcus pneumoniae TIGR4     
Function   ssDNA transport into the cell   
DNA binding and uptake

Function

ComFA is a cytoplasmic driven helicase that processes internalized single-stranded DNA (ssDNA) and facilitates its integration into the genome.


Genomic Context

Location: 2123404..2134702
Locus tag Gene name Coordinates (strand) Size (bp) Protein ID Product Description
  SP_RS11255 (SP_2204) rplI 2124559..2125011 (-) 453 WP_000864220.1 50S ribosomal protein L9 -
  SP_RS11260 (SP_2205) - 2125008..2126981 (-) 1974 WP_000715115.1 DHH family phosphoesterase -
  SP_RS11265 (SP_2206) hpf 2127117..2127665 (-) 549 WP_000599104.1 ribosome hibernation-promoting factor, HPF/YfiA family -
  SP_RS11270 (SP_2207) comFC/cflB 2127745..2128407 (-) 663 WP_000649971.1 ComF family protein Machinery gene
  SP_RS11275 (SP_2208) comFA/cflA 2128404..2129702 (-) 1299 WP_000867616.1 DEAD/DEAH box helicase Machinery gene
  SP_RS11280 (SP_2209) - 2129758..2130393 (+) 636 WP_000395742.1 YigZ family protein -
  SP_RS11285 (SP_2210) cysK 2130642..2131562 (+) 921 WP_000029866.1 cysteine synthase A -
  SP_RS11290 (SP_2211) - 2131637..2132175 (-) 539 Protein_2110 transposase -
  SP_RS11295 (SP_2212) - 2132148..2132435 (+) 288 Protein_2111 transposase -
  SP_RS11300 (SP_2213) tnpB 2132576..2132899 (-) 324 WP_000586642.1 IS66 family insertion sequence element accessory protein TnpB -
  SP_RS11305 (SP_2214) tsf 2133145..2134185 (-) 1041 WP_000808063.1 translation elongation factor Ts -

Sequence

Protein


Download         Length: 432 a.a.        Molecular weight: 49590.61 Da        Isoelectric Point: 8.5992

>NTDB_id=167 SP_RS11275 WP_000867616.1 2128404..2129702(-) (comFA/cflA) [Streptococcus pneumoniae TIGR4]
MKVNLDYLGRLFTENELTEEERQLAEKLPAMRKEKGKLFCQRCNSTILEEWYLPIGAYYCRECLLMKRVRSDQTLYYFPQ
EDFPKQDVLKWRGQLTPFQEKVSEGLLQVVDKQKPTLVHAVTGAGKTEMIYQVVAKVINAGGAVCLASPRIDVCLELYKR
LQQDFSCGIALLHGESEPYFRTPLVVATTHQLLKFYQAFDLLIVDEVDAFPYVDNPMLYHAVKNSVKENGLRIFLTATST
NELDKKVRLGELKRLNLPRRFHGNPLIIPKPIWLSDFNRYLDKNRLSPKLKSYIEKQRKTAYPLLIFASEIKKGEQLAEI
LQEQFPNEKIGFVSSVTEDRLEQVQAFRDGELTILISTTILERGVTFPCVDVFVVEANHRLFTKSSLIQIGGRVGRSMDR
PTGDLLFFHDGLNASIKKAIKEIQMMNKEAGL

Nucleotide


Download         Length: 1299 bp        

>NTDB_id=167 SP_RS11275 WP_000867616.1 2128404..2129702(-) (comFA/cflA) [Streptococcus pneumoniae TIGR4]
ATGAAAGTAAATTTAGATTATCTCGGTCGTTTATTTACTGAGAATGAATTAACAGAAGAAGAACGTCAGTTGGCGGAGAA
ACTTCCAGCAATGAGAAAGGAGAAGGGGAAACTTTTCTGTCAACGCTGTAATAGTACTATTCTAGAAGAATGGTATTTGC
CCATCGGTGCTTACTATTGTCGAGAGTGCTTGCTGATGAAGCGAGTCAGAAGTGATCAAACTTTATACTATTTTCCGCAG
GAGGATTTTCCAAAGCAAGATGTTCTCAAATGGCGCGGCCAATTAACTCCTTTTCAAGAGAAGGTGTCAGAGGGATTGCT
TCAAGTAGTAGACAAGCAAAAGCCAACCTTAGTTCATGCGGTAACAGGAGCTGGAAAGACAGAAATGATTTATCAAGTAG
TGGCTAAAGTGATCAATGCGGGTGGTGCAGTGTGTTTGGCTAGTCCTCGCATAGATGTTTGTTTGGAGCTGTACAAGCGC
CTGCAACAGGATTTTTCTTGCGGGATAGCTTTGCTACATGGAGAATCGGAACCTTATTTTCGAACACCACTAGTTGTTGC
AACAACCCATCAGTTATTGAAGTTTTATCAAGCTTTTGATTTGCTGATAGTGGATGAAGTAGATGCTTTTCCTTATGTTG
ATAATCCCATGCTTTACCACGCTGTCAAGAATAGTGTAAAGGAGAATGGATTGAGAATCTTTTTAACAGCGACTTCGACC
AATGAGTTAGATAAAAAGGTCCGTTTAGGAGAACTAAAAAGACTGAATTTACCGAGACGGTTTCATGGAAATCCGTTGAT
TATTCCAAAACCAATTTGGTTATCGGATTTTAATCGCTACTTAGACAAGAATCGTTTGTCACCAAAGTTAAAGTCCTATA
TTGAGAAGCAGAGAAAGACAGCTTATCCGTTACTCATTTTTGCTTCAGAAATTAAGAAAGGGGAGCAGTTAGCAGAAATC
TTACAGGAGCAATTTCCAAATGAGAAAATTGGCTTTGTATCTTCTGTAACAGAGGATCGATTAGAGCAAGTACAAGCTTT
TCGAGATGGAGAACTGACAATACTTATCAGTACGACAATCTTGGAGCGCGGAGTTACCTTCCCTTGTGTGGATGTTTTCG
TAGTAGAGGCCAATCATCGTTTGTTTACCAAGTCTAGTTTGATTCAGATTGGTGGACGAGTTGGACGAAGCATGGATAGA
CCGACAGGAGATTTGCTTTTCTTCCATGATGGGTTAAATGCTTCAATCAAGAAGGCGATTAAGGAAATTCAGATGATGAA
TAAGGAGGCTGGTCTATGA

Domains

Predicted by InterproScan.

Type III restriction enzyme, res subunit (ResIII)

(94-238)

Helicase conserved C-terminal domain (Helicase_C)

(293-396)


Secondary structure

Protein secondary structures were predicted by S4PRED and visualized by seqviz.



3D structure

Source ID Structure
  AlphaFold DB A0A0H2US77

Transmembrane helices

Transmembrane helices of protein were predicted by TMHMM 2.0 and visualized by seqviz and ECharts.


Visualization of predicted probability:


Similar proteins

Only experimentally validated proteins are listed.

Protein Organism Identities (%) Coverage (%) Ha-value
  comFA/cflA Streptococcus pneumoniae Rx1

99.769

100

0.998
  comFA/cflA Streptococcus pneumoniae D39

99.769

100

0.998
  comFA/cflA Streptococcus pneumoniae R6

99.769

100

0.998
  comFA/cflA Streptococcus mitis NCTC 12261

93.287

100

0.933
  comFA/cflA Streptococcus mitis SK321

92.13

100

0.921
  comFA Lactococcus lactis subsp. cremoris KW2

52.451

94.884

0.498
  comFA Latilactobacillus sakei subsp. sakei 23K

39.211

99.769

0.391

Multiple sequence alignment    



References

[1] Amy Diallo et al. (2017) Bacterial transformation: ComFA is a DNA-dependent ATPase that forms complexes with ComFC and DprA. Molecular Microbiology 105(5):741-754. [PMID: 28618091]
[2] Scott N Peterson et al. (2004) Identification of competence pheromone responsive genes in Streptococcus pneumoniae by use of DNA microarrays. Molecular Microbiology 51(4):1051-70. [PMID: 14763980]
[3] Mathieu Bergé et al. (2002) Uptake of transforming DNA in Gram-positive bacteria: a view from Streptococcus pneumoniae. Molecular Microbiology 45(2):411-21. [PMID: 12123453]