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Gene Review

YRDC  -  yrdC N(6)-threonylcarbamoyltransferase...

Homo sapiens

Synonyms: DRIP3, Dopamine receptor-interacting protein 3, FLJ23476, IRIP, Ischemia/reperfusion-inducible protein homolog, ...
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High impact information on YRDC

  • The selected DNA fragments do not share conserved sequences, indicating that IRIP does not bind DNA fragments in a strictly sequence-specific manner [1].
  • Some, but not all, DNA fragments moderately lower the RNA N-glycosidase activity of IRIP towards rabbit reticulocyte lysate ribosomes [1].
  • The capacity of IRIP, a type-1 ribosome-inactivating protein (RIP) isolated from the bulbs of Iris hollandica, to bind specific DNA sequences from a mixture of approx. 200 bp (average length) fragments of total genomic DNA from Iris genome was studied [1].
  • The selective binding of IRIP to conspecific DNA fragments is also discussed in view of the novel concept that RIPs may act as DNA-binding proteins with a regulatory activity on gene expression [1].
  • IRIP contains a single Cys residue at position 242 [2].

Associations of YRDC with chemical compounds

  • Binding of the ligands adenine and poly(A) results in little or no effect on the conformation of Cys(242) in IRIP [2].

Analytical, diagnostic and therapeutic context of YRDC

  • Fragments that were preferentially bound by IRIP were enriched by several cycles of affinity binding and PCR, and were cloned and sequenced [1].
  • According to sequence analysis, most IRIP-bound fragments contain one or more possible free energy-stable hairpin structure(s) in their secondary structure, which may be the basis for recognition between IRIP and these DNA fragments [1].
  • Although IRIP is thought to be a monomeric protein, SDS-PAGE indicates that part of the IRIP molecules can exist as disulphide bridge-linked dimers [2].


  1. Type-1 ribosome-inactivating protein from iris (Iris hollandica var. Professor Blaauw) binds specific genomic DNA fragments. Hao, Q., Peumans, W.J., Van Damme, E.J. Biochem. J. (2001) [Pubmed]
  2. Microenvironment of cysteine 242 in type-1 ribosome-inactivating protein from iris. Hao, Q., Van Damme, E.J., Barre, A., Sillen, A., Rougé, P., Engelborghs, Y., Peumans, W.J. Biochem. Biophys. Res. Commun. (2000) [Pubmed]
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