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Table 1 Summary of arginase properties from Bacillus spp. and H. pylori.

From: Characterization of Bacillus anthracis arginase: effects of pH, temperature, and cell viability on metal preference

Organism and putative metal-binding sitea

Urea cycle

pH optimum

Metal optimum

Regulation

Activity without metal

Reference(s)

H. pylori LYLDAHAD IHT

Yes

6

Co2+

Unknown

No

[11, 20], This study

B. anthracis IWYDAHGD LNT

No

9

Extracts:

Ni2+ > Mn2+ > Co2+ (pH 9.0), Ni2+ > Co2+ > Mn2+ (pH 6.0)

Whole Cells:

Mn2+ >> Ni2+ = Co2+

Unknown

Yes

[23], This study

B. caldovelox IWYDAHGD VNT

Unknown

9–11

Mn2+, Ni2+, Co2+, Cd2+

Unknown

Yes

[17, 28]

B. licheniformis IWYDAHGD LNT

Unknown

9.5–10.0

Mn2+

Oxygen, arginine, ornithine, proline, urea, glutamine, sporulation: all (+); glucose (-)

Yes

[19, 22, 26, 34, 39]

B. subtilis IWYDAHGD LNT

Yes

9–11

Mn2+

RocR (+), AhrC (+); arginine, ornithine, citrulline, proline (all+)

Yes

[21, 40, 41]

  1. a Underlined region denotes amino acids most likely involved in metal binding.