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Table 2 Comparison of the genes and proteins in the hydrogenase cluster described in A. ambivalens [72] with the correspondent homologous found in A. copahuensis genome

From: Genome analysis of the thermoacidophilic archaeon Acidianus copahuensis focusing on the metabolisms associated to biomining activities

Acidianus ambivalens

Homologs in A. copahuensis

  

Gene

Protein acc. Number (NCBI)

ORF (aa)

ORF (aa)

Protein acc. Number (NCBI)

Aa identical positions (%)

Prevalence in Sulfolobales (# of genomes)

Predicted function

hynL

CAC86887

628

633

EZQ01597

82

4 (M.S / M.Y / S.AZ1 / S.acd1)

membrane-bound NiFe hydrogenase large subunit

hynS

CAC86884

417

417

EZQ01596

85

4 (M.S / M.Y / S.AZ1 / S.acd1)

NiFe hydrogenase small FeS subunit

isp1

CAC86885

269

278

EZQ01616

68

2 (S.AZ1, S.acd1)

hydrogenase membrane anchor, heme b-binding

isp2

CAC86886

454

452

EZQ01617

74

2 (S.AZ1, S.acd1)

hypotetical FeS subunit

hynZ

CAC86889

201

206

EZQ01618

55

1 (S. acd1)

hypothetical protein from hydrogenase cluster

hynY

CAC86888

113

92

EZQ01598

70

1 (S. acd1)

Rieske-type FeS protein

hypD

CAC86890

394

395

EZQ01599

69

4 (M.S / M.Y / S.AZ1 / S.acd1)

hydrogenase maturation protein

hypC

CAC86891

101

104

EZQ01600

65

2 (S.AZ1, S.acd1)

hydrogenase maturation protein

Hype

CAC86892

339

335

EZQ01601

67

4 (M.S / M.Y / S.AZ1 / S.acd1)

hydrogenase maturation protein

hypY

CAC86893

70

72

EZQ01602

45

0

Unknown/hypothetical protein in hydrogenase cluster

hypZ

CAC86894

143

142

EZQ01603

64

2 (S.AZ1, S.acd1)

Unknown/hypothetical protein in hydrogenase cluster

hoxM

CAC86895

163

159

EZQ01604

54

2 (S.AZ1, S.acd1)

Maturation protease for HynL

  1. The proteins are identified by their NCBI accession number. ORF (aa): indicates length of the open reading frame in amino acids. The prevalence in other Sulfolobales species was calculated based on the all vs. all BLASTP comparison used for Fig. 1. For some proteins, more than one hit was found in certain species (See Additional file 2: Table S1). Acronyms: M.S. (Metallosphaera sedula), M.Y (Metallosphaera yellowstonensis), S.AZ1 (Sulfolobales archaeon AZ1), S.acd1 (Sulfolobales archaeon Acd1). Aa: amino acids