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ABC transporter transmembrane domain-containing protein
This family represents a unit of six transmembrane helices. Many members of the ABC transporter family (Pfam:PF00005) have two such regions. (from Pfam)
ATP-binding cassette domain-containing protein
ABC transporters for a large family of proteins responsible for translocation of a variety of compounds across biological membranes. ABC transporters are the largest family of proteins in many completely sequenced bacteria. ABC transporters are composed of two copies of this domain and two copies of a transmembrane domain Pfam:PF00664. These four domains may belong to a single polypeptide as in Swiss:P13569, or belong in different polypeptide chains. [1]. 1864505. Homology between proteins controlling Streptomyces fradiae. tylosin resistance and ATP-binding transport.. Rosteck PR Jr, Reynolds PA, Hershberger CL;. Gene 1991;102:27-32.. [2]. 1977073. Structure and function of haemolysin B,P-glycoprotein and other. members of a novel family of membrane translocators.. Blight MA, Holland IB;. Mol Microbiol 1990;4:873-880.. [3]. 2229036. Binding protein-dependent transport systems.. Higgins CF, Hyde SC, Mimmack MM, Gileadi U, Gill DR, Gallagher. MP;. J Bioenerg Biomembr 1990;22:571-592.. [4]. 9872322. Crystal structure of the ATP-binding subunit of an ABC. transporter.. Hung LW, Wang IX, Nikaido K, Liu PQ, Ames GF, Kim SH;. Nature 1998;396:703-707. (from Pfam)
glucan export ABC transporter ATP-binding protein
This model describes glucan exporter ATP binding protein in bacteria. It belongs to the larger ABC transporter superfamily with the characteristic ATP binding motif. The In general, this protein is in some ways implicated in osmoregulation and suggested to participate in the export of glucan from the cytoplasm to periplasm. The cyclic beta-1,2-glucan in the bactrerial periplasmic space is suggested to confer the property of high osmolority. It has also been demonstrated that mutants in this loci have lost functions of virulence and motility. It is unclear as to how virulence and osmoadaptaion are related.
chvA family protein
glucan ABC transporter ATP-binding protein/ permease
Responsible for transport of beta-1,2-glucans from the cytoplasm to periplasm; inner membrane ABC transporter permease component; Cgt; ChvA; NdvA
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