Nonsense suppressor: Difference between revisions

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edited by JimHu via TableEdit
edited by JimHu via TableEdit
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[[lysT]]
[[lysT]]
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supG, supK, supL, Su(beta), su-5,
supG, supK, supL, Su(beta), su-5,
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[[tRNA-Lys(UUU) (Lysine tRNA)|tRNA<sup>Lys</sup>(UUU) (Lysine tRNA)]]
[[tRNA-Lys(UUU) (Lysine tRNA)|tRNA<sup>Lys</sup>(UUU) (Lysine tRNA)]]
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Lysine
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Ochre  
Ochre  
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[[tRNA-Leu(CAA) (Leucine tRNA5)|tRNA<sup>Leu</sup>(CAA) (Leucine tRNA5)]]
[[tRNA-Leu(CAA) (Leucine tRNA5)|tRNA<sup>Leu</sup>(CAA) (Leucine tRNA5)]]
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Leucine
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Amber  
Amber  
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Tryptophan
Tryptophan
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Opal
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Revision as of 20:36, 4 August 2007

Nonsense suppressors change the effects of nonsense mutations by altering how stop codons are read. The largest class of nonsense suppressors are mutations in Category:tRNA genes that alter the codon-anticodon interaction to allow a stop codon to be read by that tRNA. This will only suppress the mutation if the amino acid inserted restores a functional protein product.

gene synonyms tRNA affected aa inserted codons recognized

serU, serV

supD, supH, su1, Su-1, SuI, ftsM, su_1

tRNASer(CGA) (Serine tRNA2)

Serine [1]

Amber

glnX, glnV

supE, Su2, Su_II

tRNAGln(CUG) (Glutamine tRNA2)

Glutamine[2]

Amber

tyrT

supF

tRNATyr(GUA) (Tyrosine tRNA1)

Tyrosine[2]

Amber

lysT

supG, supK, supL, Su(beta), su-5,

tRNALys(UUU) (Lysine tRNA)

Lysine

Ochre

leuX

supP, Su-6

tRNALeu(CAA) (Leucine tRNA5)

Leucine

Amber

tyrT

supC

tRNATyr(GUA) (Tyrosine tRNA1)

Tyrosine[2]

Ochre

trpT

supU, supV, su9

tRNATrp(CCA) (Tryptophan tRNA)

Tryptophan

Opal

tyrU

supZ

tRNATyr(GUA) (Tyrosine tRNA2)

Tyrosine

Amber

glnU

supB

tRNAGln(UUG) (Glutamine tRNA1)

Glutamine

Ochre

lysT

supL

tRNALys(UUU) (Lysine tRNA)

Lysine

Ochre

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See Also

References

  1. ↑ WEIGERT, MG & GAREN, A (1965) AMINO ACID SUBSTITUTIONS RESULTING FROM SUPPRESSION OF NONSENSE MUTATIONS. I. SERINE INSERTION BY THE SU-1 SUPPRESSOR GENE. J. Mol. Biol. 12 448-55 PubMed
  2. ↑ 2.0 2.1 2.2 Weigert, MG et al. (1965) Amino acid substitutions resulting from suppression of nonsense mutations. II. Glutamine insertion by the Su-2 gene; tyrosine insertion by the Su-3 gene. J. Mol. Biol. 14 522-7 PubMed