This domain covers the transmembrane of a small family of ABCtransporters and shares sequence similarity with Pfam:PF00664. Mutations in this domain in Swiss:P28288 are believed responsible for Zellweger Syndrome-2 [1]; mutations in Swiss:P33897 are responsible for recessive X-linked adrenoleukodystrophy [2]. A Saccharomyces cerevisiae homolog is involved in the import of long-chain fatty acids [3].
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