Quinone (PAMDB003450)

General function:

Involved in electron carrier activity

Specific function:

Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth

Gene Name:

sdhB

Locus Tag:

PA1584

Molecular weight:

26.2 kDa

Reactions

General function:

Involved in oxidoreductase activity

Specific function:

Oxidizes proline to glutamate for use as a carbon and nitrogen source and also function as a transcriptional repressor of the put operon

Gene Name:

putA

Locus Tag:

PA0782

Molecular weight:

115.6 kDa

Reactions

General function:

Involved in D-amino-acid dehydrogenase activity

Specific function:

Oxidative deamination of D-amino acids

Gene Name:

dadA

Locus Tag:

PA5304

Molecular weight:

47.1 kDa

Reactions

General function:

Involved in catalytic activity

Specific function:

(S)-dihydroorotate + a quinone = orotate + a quinol

Gene Name:

pyrD

Locus Tag:

PA3050

Molecular weight:

36.1 kDa

Reactions

General function:

Involved in electron carrier activity

Specific function:

Two distinct, membrane-bound, FAD-containing enzymes are responsible for the catalysis of fumarate and succinate interconversion; the fumarate reductase is used in anaerobic growth, and the succinate dehydrogenase is used in aerobic growth

Gene Name:

sdhA

Locus Tag:

PA1583

Molecular weight:

63.5 kDa

Reactions

General function:

Involved in succinate dehydrogenase activity

Specific function:

Membrane-anchoring subunit of succinate dehydrogenase (SDH)

Gene Name:

sdhD

Locus Tag:

PA1582

Molecular weight:

13.7 kDa

General function:

Involved in oxidoreductase activity, acting on NADH or NADPH

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoA

Locus Tag:

PA2637

Molecular weight:

15 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoB

Locus Tag:

PA2638

Molecular weight:

25.4 kDa

Reactions

General function:

Involved in oxidoreductase activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoE

Locus Tag:

PA2640

Molecular weight:

18.1 kDa

Reactions

General function:

Involved in oxidation-reduction process

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient. This subunit may bind ubiquinone

Gene Name:

nuoH

Locus Tag:

PA2643

Molecular weight:

36.7 kDa

Reactions

General function:

Involved in electron carrier activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoI

Locus Tag:

PA2644

Molecular weight:

20.6 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoJ

Locus Tag:

PA2645

Molecular weight:

17.6 kDa

Reactions

General function:

Involved in oxidoreductase activity, acting on NADH or NADPH

Specific function:

There are 2 NADH dehydrogenases in Pseudomonas aeruginosa, however only this complex is able to use dNADH (reduced nicotinamide hypoxanthine dinucleotide, deamino-NADH) and dNADH-DB (dimethoxy- 5-methyl-6-decyl-1,4-benzoquinone) as substrates

Gene Name:

nuoK

Locus Tag:

PA2646

Molecular weight:

11 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoM

Locus Tag:

PA2648

Molecular weight:

55.7 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoN

Locus Tag:

PA2649

Molecular weight:

51.7 kDa

Reactions

General function:

Involved in zinc ion binding

Specific function:

NADPH + 2 quinone = NADP(+) + 2 semiquinone

Gene Name:

qorA

Locus Tag:

PA0023

Molecular weight:

35.1 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoF

Locus Tag:

PA2641

Molecular weight:

48.7 kDa

Reactions

General function:

Involved in oxidoreductase activity, acting on NADH or NADPH

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoC

Locus Tag:

PA2639

Molecular weight:

68.3 kDa

Reactions

General function:

Involved in electron carrier activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoG

Locus Tag:

PA2642

Molecular weight:

99 kDa

Reactions

General function:

Involved in NADH dehydrogenase (ubiquinone) activity

Specific function:

NDH-1 shuttles electrons from NADH, via FMN and iron- sulfur (Fe-S) centers, to quinones in the respiratory chain. The immediate electron acceptor for the enzyme in this species is believed to be ubiquinone. Couples the redox reaction to proton translocation (for every two electrons transferred, four hydrogen ions are translocated across the cytoplasmic membrane), and thus conserves the redox energy in a proton gradient

Gene Name:

nuoL

Locus Tag:

PA2647

Molecular weight:

66.2 kDa

Reactions

General function:

Involved in malate dehydrogenase (quinone) activity

Specific function:

(S)-malate + a quinone = oxaloacetate + reduced quinone

Gene Name:

mqo

Locus Tag:

PA3452

Molecular weight:

57.2 kDa

Reactions

General function:

Involved in succinate dehydrogenase activity

Specific function:

Membrane-anchoring subunit of succinate dehydrogenase (SDH)

Gene Name:

sdhC

Locus Tag:

PA1581

Molecular weight:

13.7 kDa