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NCBI: 10-JUN-2013

Summary[edit | edit source]

  • organism: Staphylococcus aureus USA300_FPR3757
  • locus tag: SAUSA300_1137 [new locus tag: SAUSA300_RS06155 ]
  • pan locus tag?: SAUPAN003536000
  • symbol: rnhB
  • pan gene symbol?: rnhB
  • synonym:
  • product: ribonuclease HII

rnhB : ribonuclease H-II [1]

• A crystal structure is available : 5Y9P

Staphylococci produce different paralogues of Ribonuclease H to introduce nicks in different RNA-DNA hybrid structures. Occasional misincorporation of single ribonucleotides in DNA duplex polymers can be managed by ribonucleotide excision repair. RNase H-II introduces a nick 5'- to a single ribonucleotide in a mostly DNA-DNA duplex. The nick allows DNA Pol I access to the ribonucleotide which it removes with its 5'→3' exonuclease activity and then fills in with a deoxyribonucleotide.

Genome View[edit | edit source]

Gene[edit | edit source]

General[edit | edit source]

  • type: CDS
  • locus tag: SAUSA300_1137 [new locus tag: SAUSA300_RS06155 ]
  • symbol: rnhB
  • product: ribonuclease HII
  • replicon: chromosome
  • strand: +
  • coordinates: 1245956..1246723
  • length: 768
  • essential: unknown other strains

Accession numbers[edit | edit source]

Phenotype[edit | edit source]

Share your knowledge and add information here. [edit]

DNA sequence[edit | edit source]

  • 1
    61
    121
    181
    241
    301
    361
    421
    481
    541
    601
    661
    721
    ATGACGCTAACAATTAAAGAAGTTACGCAGTTGATTAATGCGGTTAATACAATAGAAGAA
    TTAGAAAATCATGAATGCTTTTTAGATGAGCGAAAAGGTGTTCAAAATGCCATAGCTAGG
    CGCAGAAAAGCGTTAGAAAAAGAACAAGCTTTAAAAGAAAAGTATGTTGAAATGACTTAC
    TTTGAAAATGAAATATTAAAAGAGCATCCTAATGCTATTATTTGTGGGATTGATGAAGTT
    GGAAGAGGACCTTTAGCAGGTCCAGTCGTTGCATGCGCAACAATTTTAAATTCAAATCAC
    AATTATTTGGGCCTTGATGACTCGAAAAAAGTACCTGTTACGAAACGTCTAGAATTAAAT
    GAAGCACTAAAAAATGAAGTTACTGCTTTTGCATATGGGATCGCGACAGCTGAAGAAATA
    GATGAATTTAATATTTATAAAGCTACTCAAATCGCCATGCAGCGAGCTATTGATGGATTA
    TCAGTACAACCAACGCATTTATTGATAGACGCGATGACGCTTGATAATGCACTGCCTCAA
    GTATCTTTAATCAAGGGTGATGCAAGAAGTGTGTCCATTGCAGCTGCAAGTATCATGGCA
    AAGGTTTTTCGTGATGATTATATGACACAGTTATCTAAAGATTATCCTGAATATGGTTTT
    GAAAAAAACGCGGGTTACGGTACCAAACAACATTTACTAGCAATCGATGATATTGGCATT
    ATGAAAGAGCATAGAAAAAGCTTTGAACCTATAAAATCGTTACTGTAA
    60
    120
    180
    240
    300
    360
    420
    480
    540
    600
    660
    720
    768

Protein[edit | edit source]

General[edit | edit source]

  • locus tag: SAUSA300_1137 [new locus tag: SAUSA300_RS06155 ]
  • symbol: RnhB
  • description: ribonuclease HII
  • length: 255
  • theoretical pI: 5.22942
  • theoretical MW: 28512.5
  • GRAVY: -0.247843

Function[edit | edit source]

  • reaction:
    EC 3.1.26.4?  ExPASy
    Ribonuclease H Endonucleolytic cleavage to 5'-phosphomonoester
  • TIGRFAM:
    Genetic information processing DNA metabolism DNA replication, recombination, and repair ribonuclease HII (TIGR00729; EC 3.1.26.4; HMM-score: 74.5)
    and 1 more
    Genetic information processing DNA metabolism DNA replication, recombination, and repair ribonuclease HIII (TIGR00716; EC 3.1.26.4; HMM-score: 25.2)
  • TheSEED  :
    • Ribonuclease HII (EC 3.1.26.4)
    RNA Metabolism RNA processing and modification Ribonuclease H  Ribonuclease HII (EC 3.1.26.4)
  • PFAM:
    RNase_H (CL0219) RNase_HII; Ribonuclease HII (PF01351; HMM-score: 129.6)
    and 2 more
    no clan defined DUF3983; Protein of unknown function (DUF3983) (PF13137; HMM-score: 13.6)
    NTP_transf (CL0260) W02B3_4_N; W02B3.4-like, N-terminal domain (PF24413; HMM-score: 12.3)

Structure, modifications & cofactors[edit | edit source]

  • domains:
  • modifications:
  • cofactors: Mg2+, Mn2+
  • effectors:

Localization[edit | edit source]

  • PSORTb: Cytoplasmic
    • Cytoplasmic Score: 7.5
    • Cytoplasmic Membrane Score: 1.15
    • Cellwall Score: 0.62
    • Extracellular Score: 0.73
    • Internal Helices: 0
  • DeepLocPro: Cytoplasmic
    • Cytoplasmic Score: 0.9935
    • Cytoplasmic Membrane Score: 0.0001
    • Cell wall & surface Score: 0.0005
    • Extracellular Score: 0.0059
  • LocateP: Intracellular
    • Prediction by SwissProt Classification: Cytoplasmic
    • Pathway Prediction: No pathway
    • Intracellular possibility: 1
    • Signal peptide possibility: -1
    • N-terminally Anchored Score: 1
    • Predicted Cleavage Site: No CleavageSite
  • SignalP: no predicted signal peptide
    • SP(Sec/SPI): 0.00157
    • TAT(Tat/SPI): 0.000106
    • LIPO(Sec/SPII): 0.000209
  • predicted transmembrane helices (TMHMM): 0

Accession numbers[edit | edit source]

Protein sequence[edit | edit source]

  • MTLTIKEVTQLINAVNTIEELENHECFLDERKGVQNAIARRRKALEKEQALKEKYVEMTYFENEILKEHPNAIICGIDEVGRGPLAGPVVACATILNSNHNYLGLDDSKKVPVTKRLELNEALKNEVTAFAYGIATAEEIDEFNIYKATQIAMQRAIDGLSVQPTHLLIDAMTLDNALPQVSLIKGDARSVSIAAASIMAKVFRDDYMTQLSKDYPEYGFEKNAGYGTKQHLLAIDDIGIMKEHRKSFEPIKSLL

Experimental data[edit | edit source]

  • experimentally validated: data available for COL, NCTC8325
  • protein localization: data available for COL
  • quantitative data / protein copy number per cell:
  • interaction partners:

Expression & Regulation[edit | edit source]

Regulation[edit | edit source]

  • regulator:

Transcription pattern[edit | edit source]

Protein synthesis (provided by Aureolib)[edit | edit source]

Protein stability[edit | edit source]

  • half-life: no data available

Biological Material[edit | edit source]

Mutants[edit | edit source]

Expression vector[edit | edit source]

lacZ fusion[edit | edit source]

GFP fusion[edit | edit source]

two-hybrid system[edit | edit source]

FLAG-tag construct[edit | edit source]

Antibody[edit | edit source]

Other Information[edit | edit source]

You are kindly invited to share additional interesting facts.

Literature[edit | edit source]

References[edit | edit source]

  1. Scott A Reiling, Kohei Homma, Oluwatoyin A Asojo
    Purification and crystallization of RNase HIII from Staphylococcus aureus.
    Acta Crystallogr Sect F Struct Biol Cryst Commun: 2011, 67(Pt 1);79-82
    [PubMed:21206030] [WorldCat.org] [DOI] (I p)
    Justin R Randall, William G Hirst, Lyle A Simmons
    Substrate Specificity for Bacterial RNases HII and HIII Is Influenced by Metal Availability.
    J Bacteriol: 2018, 200(4);
    [PubMed:29084857] [WorldCat.org] [DOI] (I e)
    Justin R Randall, Taylor M Nye, Katherine J Wozniak, Lyle A Simmons
    RNase HIII Is Important for Okazaki Fragment Processing in Bacillus subtilis.
    J Bacteriol: 2019, 201(7);
    [PubMed:30670546] [WorldCat.org] [DOI] (I e)
    Anna Lipońska, Mee-Ngan F Yap
    Hibernation-Promoting Factor Sequesters Staphylococcus aureus Ribosomes to Antagonize RNase R-Mediated Nucleolytic Degradation.
    mBio: 2021, 12(4);e0033421
    [PubMed:34253058] [WorldCat.org] [DOI] (I p)

Relevant publications[edit | edit source]