May be involved in either the transport or processing of arabinose polymers. Induced by arabinose (PubMed:2231717) (Probable). Transcription is dependent on the transcription factor AraC, the cAMP receptor protein (CRP) and cAMP (PubMed:2231717). No visible effect on arabinose uptake or growth on arabinose. Belongs to the major facilitator superfamily. Extended N-terminus.