TABLE 1.
Sequence identity scores of G12 ORFs and proposed biological function for encoded proteins
| Process(es) and ORF | Gene | Homologous protein(s) (highest % identity) identified by BLAST | Putative generic function |
|---|---|---|---|
| Arabinose binding, transport, and utilization | |||
| 4 | araB | Ribulose kinase from Salmonella enterica (52) | Hypothetical arabinose metabolism |
| 5 | araC | l-Arabinose isomerase from Bacteroides vulgatus (79) | Arabinose metabolism |
| 6 | araD | l-Ribulose-5-phosphate 4-epimerase from Geobacillus stearothermophilus (65) | Hypothetical arabinose metabolism |
| 7 | araE | ADP-ribose pyrophosphatase from Methanococcus jannaschii (35) | Hypothetical arabinose metabolism |
| 8 | araF | l-Deoxy-d-xylulose-5-phosphate synthase from Bacteroides thetaiotaomicron (30%) | Hypothtical arabinose metabolism |
| 9 | araG | Uronate isomerase from Bacteroides fragilis (32) | Hypothetical arabinose metabolism |
| 11 | araH | Hypothetical protein from Bacteroides intestinalis (74) | None |
| 12 | araI | SusD from B. intestinalis (89) | Substrate binding |
| 13 | araJ | SusC/RagA family TonB-linked protein from Bacteroides oleiciplenus (85) | Substrate transport |
| 14 | araK | SusD from Bacteroides intestinalis (80) | Substrate binding |
| 15 | araL | SusC/RagA family TonB-linked protein from Bacteroides oleiciplenus (83) | Substrate transport |
| 18 | araM | Two-component system sensor/regulator from Bacteroides thetaiotaomicron (66) | Hypothetical histidine kinase regulator |
| Arabinan and arabino-oligosaccharide hydrolysis | |||
| 2 | abfA | GH51 from Bacteroides ovatus (81) | α-l-Arabinofuranosidase |
| 3 | araA | GH97 from Bacteroides intestinalis (73) | Glycoside hydrolase |
| 10 | abnA | GH43 from Bacteroides intestinalis (77) | endo-Arabinanase |
| 19 | abnB | GH43 from Bacteroides gallinarum (74) | endo-Arabinanase |
| 20 | abfBa | GH51 from Bacteroides intestinalis (84), GH43 from Bacteroides sp. (87) | α-l-Arabinofuranosidase |
a
abfB encodes two GH domains.