Maturase K

Plant plastidial gene From Wikipedia, the free encyclopedia

Maturase K (matK) is a plant plastidial gene.[1] The protein it encodes is an organelle intron maturase, a protein that splices Group II introns. It is essential for in vivo splicing of Group II introns.[2] Amongst other maturases, this protein retains only a well conserved domain X and remnants of a reverse transcriptase domain.[3]

SymbolmatK
Alt. symbolsycf14
Quick facts Identifiers, Organism ...
Maturase K
Identifiers
OrganismArabidopsis thaliana, plants
SymbolmatK
Alt. symbolsycf14
Entrez844797
RefSeq (mRNA)NP_051040.2
UniProtP56784
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StructuresSwiss-model
DomainsInterPro
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Quick facts MatK/TrnK, N-terminal (inactive RT), Identifiers ...
MatK/TrnK, N-terminal (inactive RT)
Identifiers
SymbolMatK_N
PfamPF01824
InterProIPR024942
Available protein structures:
PDB  IPR024942 PF01824 (ECOD; PDBsum)  
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Location of the matK gene in the chloroplast genome of Arabidopsis thaliana. matK is one of the protein-coding genes involved in functions other than photosynthetic reactions (red boxes). matK maps at the 2–3.5 kb coordinates.

Universal matK primers can be used for DNA barcoding of angiosperms.[4]

See also

  • LtrA, an open reading frame found in the Lactococcus lactis group II introns LtrB. It is an intron-encoded protein, with three subdomains, one of which is a reverse-transcriptase/maturase.

References

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