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Literature summary for 2.1.1.72 extracted from

  • Horton, J.R.; Woodcock, C.B.; Opot, S.B.; Reich, N.O.; Zhang, X.; Cheng, X.
    The cell cycle-regulated DNA adenine methyltransferase CcrM opens a bubble at its DNA recognition site (2019), Nat. Commun., 10, 4600 .
    View publication on PubMedView publication on EuropePMC

Cloned(Commentary)

Cloned (Comment) Organism
expressed in Escherichia coli BL21(DE3) cells Caulobacter vibrioides

Crystallization (Commentary)

Crystallization (Comment) Organism
in complex with double-stranded DNA containing the recognition sequence GANTC, sitting drop vapor diffusion method, using 0.1 M HEPES pH 7.8, with 10% (w/v) polyethylene glycol 8000 and 3% (w/v) polyethylene glycol 6000 Caulobacter vibrioides

Protein Variants

Protein Variants Comment Organism
S315A/H317A/N330A/R350A the mutant shows about 90% reduced methylation activity on double stranded DNA but no effect on S-adenosyl-L-methionione binding Caulobacter vibrioides
W332A inactive Caulobacter vibrioides

Natural Substrates/ Products (Substrates)

Natural Substrates Organism Comment (Nat. Sub.) Natural Products Comment (Nat. Pro.) Rev. Reac.
S-adenosyl-L-methionine + DNA adenine Caulobacter vibrioides the enzyme methylates the adenine of hemimethylated GANTC after replication S-adenosyl-L-homocysteine + DNA 6-methyladenine
-
?

Organism

Organism UniProt Comment Textmining
Caulobacter vibrioides P0CAW2
-
-

Purification (Commentary)

Purification (Comment) Organism
HisTrap nickel affinity column chromatography Caulobacter vibrioides

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
S-adenosyl-L-methionine + DNA adenine the enzyme methylates the adenine of hemimethylated GANTC after replication Caulobacter vibrioides S-adenosyl-L-homocysteine + DNA 6-methyladenine
-
?

Subunits

Subunits Comment Organism
dimer
-
Caulobacter vibrioides

Synonyms

Synonyms Comment Organism
CcrM
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Caulobacter vibrioides
cell cycle-regulated DNA methyltransferase
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Caulobacter vibrioides
DNA adenine methyltransferase
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Caulobacter vibrioides