GenePage for the cca gene of Escherichia coli K-12

Primary Gene Name: cca
EcoGene Accession Number: EG10136
K-12 Gene Accession Number: ECK3046
MG1655 Gene Identifier: b3056
Gene Name Mnemonic: CCA tRNA terminus
Alternate Gene Symbols: None
Description: tRNA nucleotidyltransferase, repairs terminal CCA of tRNAs
  # bp Upstream # bp Downstream
MW: 46467.17 ---------412 aa Pre-Run BlastP UniProt
Pre-Run BlastP NR+Env
Left End: 3201891
Left Intergenic Region

Name: ygiM_cca

Length: 63 bp gap

Orientation: Codirectional+

Left_end: 3201828

Right_end: 3201890

Centisome: 68.98

Genomic Address
Clockwise
Minute or Centisome (%) = 68.98
Right End: 3203129
Right Intergenic Region

Name: cca_bacA

Length: 180 bp gap

Orientation: Convergent

Left_end: 3203130

Right_end: 3203309

Centisome: 69.01

The CCA C-terminal HD domain has Ni(2+)-dependent phosphatase activity toward pyrophosphate, canonical 5'-nucleoside tri- and diphosphates, NADP, and 2'-AMP. It also has metal-independent phosphodiesterase activity toward 2',3'-cAMP, -cGMP, and -cCMP (Yakunin, 2004).

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BamHI EcoRI HindIII