Cca

• Description: tRNA nucleotidyltransferase, maturation of the single-copy tRNACys, which lacks an encoded CCA 3' end
  
  

Gene name	cca
Synonyms	papS, ypjI
Essential	yes PubMed
Product	tRNA nucleotidyltransferase
Function	tRNA modification
Gene expression levels in SubtiExpress: cca
MW, pI	45 kDa, 8.041
Gene length, protein length	1191 bp, 397 aa
Immediate neighbours	birA, bshA
Sequences	Protein DNA DNA_with_flanks
Genetic context This image was kindly provided by SubtiList
Expression at a glance   PubMed

Categories containing this gene/protein

translation, essential genes

This gene is a member of the following regulons

Spx regulon

The gene

Basic information

• Locus tag: BSU22450

Phenotypes of a mutant

essential PubMed

Database entries

• DBTBS entry: no entry

• SubtiList entry: [1]

The protein

Basic information/ Evolution

• Catalyzed reaction/ biological activity: ATP + tRNA(n) = diphosphate + tRNA(n+1) (according to Swiss-Prot)

• Protein family: the protein is similar to the E. coli poly(A) polymerase

• Paralogous protein(s):

Extended information on the protein

• Kinetic information:

• Domains:

• Modification:

• Cofactor(s):

• Effectors of protein activity:

• Interactions:

• Localization:

Database entries

• Structure: 1MIV (Geobacillus stearothermophilus 44% identity)

• UniProt: P42977

• KEGG entry: [2]

• E.C. number: 2.7.7.25

Expression and regulation

• Operon: ypjD-dapB-mgsA-bshB1-bshA-cca-birA PubMed

• Expression browser: cca PubMed

• Sigma factor: SigA PubMed

• Regulation:
  • induced by diamide stess (thiol depletion) (Spx) PubMed

• Regulatory mechanism:
  • Spx: transcription activation PubMed

• Additional information:

Biological materials

• Mutant:

• Expression vector:

• lacZ fusion:

• GFP fusion:

• two-hybrid system:

• Antibody:

References

Reviews

Heike Betat, Christiane Rammelt, Mario Mörl
tRNA nucleotidyltransferases: ancient catalysts with an unusual mechanism of polymerization.
Cell Mol Life Sci: 2010, 67(9);1447-63
[PubMed:20155482] [WorldCat.org] [DOI] (I p)

Stefan Vörtler, Mario Mörl
tRNA-nucleotidyltransferases: highly unusual RNA polymerases with vital functions.
FEBS Lett: 2010, 584(2);297-302
[PubMed:19883645] [WorldCat.org] [DOI] (I p)

Anne Neuenfeldt, Andrea Just, Heike Betat, Mario Mörl
Evolution of tRNA nucleotidyltransferases: a small deletion generated CC-adding enzymes.
Proc Natl Acad Sci U S A: 2008, 105(23);7953-8
[PubMed:18523015] [WorldCat.org] [DOI] (I p)

Yong Xiong, Thomas A Steitz
A story with a good ending: tRNA 3'-end maturation by CCA-adding enzymes.
Curr Opin Struct Biol: 2006, 16(1);12-7
[PubMed:16364630] [WorldCat.org] [DOI] (P p)

Original publications

Juan Campos-Guillén, Jackeline Lizzeta Arvizu-Gómez, George H Jones, Gabriela Olmedo-Alvarez
Characterization of tRNA(Cys) processing in a conditional Bacillus subtilis CCase mutant reveals the participation of RNase R in its quality control.
Microbiology (Reading): 2010, 156(Pt 7);2102-2111
[PubMed:20360175] [WorldCat.org] [DOI] (I p)

Hyundae D Cho, Christophe L M J Verlinde, Alan M Weiner
Reengineering CCA-adding enzymes to function as (U,G)- or dCdCdA-adding enzymes or poly(C,A) and poly(U,G) polymerases.
Proc Natl Acad Sci U S A: 2007, 104(1);54-9
[PubMed:17179213] [WorldCat.org] [DOI] (P p)

Patricia Bralley, Samantha A Chang, George H Jones
A phylogeny of bacterial RNA nucleotidyltransferases: Bacillus halodurans contains two tRNA nucleotidyltransferases.
J Bacteriol: 2005, 187(17);5927-36
[PubMed:16109934] [WorldCat.org] [DOI] (P p)

Fang Li, Yong Xiong, Jimin Wang, HyunDae D Cho, Kozo Tomita, Alan M Weiner, Thomas A Steitz
Crystal structures of the Bacillus stearothermophilus CCA-adding enzyme and its complexes with ATP or CTP.
Cell: 2002, 111(6);815-24
[PubMed:12526808] [WorldCat.org] [DOI] (P p)

L C Raynal, H M Krisch, A J Carpousis
The Bacillus subtilis nucleotidyltransferase is a tRNA CCA-adding enzyme.
J Bacteriol: 1998, 180(23);6276-82
[PubMed:9829937] [WorldCat.org] [DOI] (P p)