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Gene Review

ctpA  -  carboxyl-terminal processing protease

Synechocystis sp. PCC 6803

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Disease relevance of ctpA


High impact information on ctpA

  • The ctpA gene encodes the C-terminal processing protease for the D1 protein of the photosystem II reaction center complex [1].
  • To study the function of the CtpA protein, we inactivated the ctpA gene by inserting a kanamycin-resistance gene into its coding sequence [1].
  • Here, we studied the effect of ctpA gene inactivation on the B. burgdorferi protein expression profile [3].
  • The ctpA gene does not directly affect the erythrocyte-invasion phenotype conferred by ialAB, but its homology to other stress-response processing proteases implies an important role in survival of this intracellular pathogen [4].
  • The Synechocystis sp. PCC 6803 ctp gene family members ctpA (slr0008), ctpB (slr0257) and ctpC (slr1751), encoding carboxyl-terminal endoproteases (Ctps), were studied at levels of gene transcription and protein structure [5].

Analytical, diagnostic and therapeutic context of ctpA


  1. The ctpA gene encodes the C-terminal processing protease for the D1 protein of the photosystem II reaction center complex. Anbudurai, P.R., Mor, T.S., Ohad, I., Shestakov, S.V., Pakrasi, H.B. Proc. Natl. Acad. Sci. U.S.A. (1994) [Pubmed]
  2. Molecular cloning and characterization of the ctpA gene encoding a carboxyl-terminal processing protease. Analysis of a spontaneous photosystem II-deficient mutant strain of the cyanobacterium Synechocystis sp. PCC 6803. Shestakov, S.V., Anbudurai, P.R., Stanbekova, G.E., Gadzhiev, A., Lind, L.K., Pakrasi, H.B. J. Biol. Chem. (1994) [Pubmed]
  3. Pleiotropic effects of inactivating a carboxyl-terminal protease, CtpA, in Borrelia burgdorferi. Ostberg, Y., Carroll, J.A., Pinne, M., Krum, J.G., Rosa, P., Bergström, S. J. Bacteriol. (2004) [Pubmed]
  4. A carboxy-terminal processing protease gene is located immediately upstream of the invasion-associated locus from Bartonella bacilliformis. Mitchell, S.J., Minnick, M.F. Microbiology (Reading, Engl.) (1997) [Pubmed]
  5. Transcriptional regulation and structural modelling of the Synechocystis sp. PCC 6803 carboxyl-terminal endoprotease family. Jansèn, T., Kidron, H., Soitamo, A., Salminen, T., Mäenpää, P. FEMS Microbiol. Lett. (2003) [Pubmed]
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