The DOI matches its Crossref record; 58 of the 58 references it cites were found in a registry or an index.
The Arabidopsis thaliana ABC Protein Superfamily, a Complete Inventory
Open accessAbstract
We describe the first complete inventory of ATP-binding cassette (ABC) proteins from a multicellular organism, the model plant Arabidopsis thaliana. By the application of several search criteria, Arabidopsis was found to contain a total of 129 open reading frames (ORFs) capable of encoding ABC proteins, of which 103 possessed contiguous transmembrane spans and were identified as putative intrinsic membrane proteins. Fifty-two of the putative intrinsic membrane proteins contained at least two transmembrane domains (TMDs) and two nucleotide-binding folds (NBFs) and could be classified as belonging to one of five subfamilies of full-molecule transporters. The other 51 putative membrane proteins, all of which were half-molecule transporters, fell into five subfamilies. Of the remaining ORFs identified, all of which encoded proteins lacking TMDs, 11 could be classified into three subfamilies. There were no obvious homologs in other organisms for 15 of the ORFs which encoded a heterogeneous group of non-intrinsic ABC proteins (NAPs). Unrooted phylogenetic analyses substantiated the subfamily designations. Notable features of the Arabidopsis ABC superfamily was the presence of a large yeast-like PDR subfamily, and the absence of genes encoding bona fide cystic fibrosis transmembrane conductance regulator (CFTR), sulfonylurea receptor (SUR), and heavy metal tolerance factor 1 (HMT1) homologs. Arabidopsis was unusual in its large allocation of ORFs (a minimum of 0.5%) to members of the ABC protein superfamily.
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Phylogenetic Relationships within Cation Transporter Families of Arabidopsis
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Metadata
- Authors
- Sánchez-Fernández, R., Davies, T. G. E., Coleman, J. O. D., & Rea, P. A.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2001-08
- Volume
- 276
- Issue
- 32
- Pages
- 30231-30244
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2018119138
- Cited by
- 560
- References
- 58
- FWCI
- 14.52
- Type
- journal article
- Language
- en
- Open access
- hybrid
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