Protein Family Models

Date:

2023-12-12

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)

Date:

2024-04-03

This HMM represents the ATP-binding protein of a family of ABC transporters for inorganic phosphate. In the model species Escherichia coli, a constitutive transporter for inorganic phosphate, with low affinity, is also present. The high affinity transporter that includes this polypeptide is induced when extracellular phosphate concentrations are low. The proteins most similar to the members of this family but not included appear to be amino acid transporters.

Gene:

pstB

Date:

2021-06-04