TABLE 2.
Proposed nomenclature for genes encoding ABC transporters, based upon substrate specificities of binding proteins
| Transporter locus | Annotation | Directiona | Gene name proposed here | Mnemonice | Rationale | Nomenclature proposed by Conners et al. (12) |
|---|---|---|---|---|---|---|
| TM0027 | ABP | bglL | β-Glucoside transport | Abbreviation of substrates and TM0025, bglB (β-glucosidase [34]) | bgtpE | |
| TM0028 | ABP | bglK | bgtpD | |||
| TM0029 | MSP | bglG | bgtpC | |||
| TM0030 | MSP | ↑ | bglF | bgtpB | ||
| TM0031 | SBP | bglE | bgtpA | |||
| TM0071 | SBP | xloE | Xylose oligosaccharide transport | TM0076, xloA (xylosidase [homolog of GenBank U58632.2]) | xtpAb | |
| TM0072 | MSP | xloF | xtpB | |||
| TM0073 | MSP | xloG | xtpC | |||
| TM0074 | ABP | ↓ | xloK | xtpD | ||
| TM0075 | ABP | xloL | xtpF | |||
| TM0112 | MSP | xylF | Xylose transport | Abbreviation of substrate | rbsC2b | |
| TM0114 | SBP | ↓ | xylE | rbsA2 | ||
| TM0115 | ABP | xylK | rbsB2 | |||
| TM0300 | SBP | gloE | Glucose oligosaccharide transport | Abbreviation of substrate | dppAb | |
| TM0301 | MSP | gloF | dppB | |||
| TM0302 | MSP | gloG | dppC | |||
| TM0303 | ABP | ↓ | gloK | dppD | ||
| TM0304 | ABP | gloL | dppF | |||
| TM0418 | SBP | inoE | myo-Inositol transport | TM1419, ino1 (myo-inositol-1-P-synthase [1]) | malE3b | |
| TM0419 | MSP | inoF | malF3 | |||
| TM0420 | MSP | ↓ | inoG | ugpE | ||
| TM0421 | ABP | inoK | malK2 | |||
| TM0430 | MSP | aguG | α-Galactouronate transport | TM0434, agu (α-glucuronidase [53]) | ugpBb | |
| TM0431 | MSP | ↑ | aguF | ugpA | ||
| TM0432 | SBP | aguE | ugpE | |||
| TM0955 | MSP | rbsC | Ribose transport | Annotated by TIGR (34) | rbsC1 | |
| TM0956 | ABP | rbsA | rbsA1 | |||
| TM0958 | SBP | ↑ | rbsB | rbsB1 | ||
| TM0959 | MSP | rbsD | rbsD | |||
| TM1202 | MSP | malG1 | Maltose transportc | Annotated by TIGR (34) | malG1 | |
| TM1203 | MSP | ↑ | malF1 | malF1 | ||
| TM1204 | SBP | malE1 | malE1 | |||
| TM1219 | ABP | manL | Mannoside transport | Abbreviation of substrate | cbtF | |
| TM1220 | ABP | manK | cbtD | |||
| TM1221 | MSP | manG | cbtC | |||
| TM1222 | MSP | manF | cbtB | |||
| TM1223 | SBP | ↑ | manE | cbtA | ||
| TM1226 | SBP | manD | mbtA | |||
| TM1836 | MSP | malG2 | Maltose transport | Annotated by TIGR (34) | malF2 | |
| TM1837d | MSP | ↑ | malF2 | Unnamed | ||
| TM1839 | SBP | malE2 | malE2 |
a
Arrows indicate directions of transcription of the genes.
b
The correspondence between the locus number and the mnemonic for these operons was inferred from the information in Table 2 of reference 12.
c
The mnemonic is retained even though data indicate MalE1 is involved in mannooligosaccharide transport (33).
d
Contains an authentic frameshift.
e
Mnemonics are underlined.