The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Gene for staphylococcal protein A.
Open accessAbstract
The gene for protein A from Staphylococcus aureus was cloned into pBR322 in Escherichia coli. An immunoassay was used to detect production of the protein. Protein A produced in E. coli was found in the periplasmic space and was purified and concentrated by IgG-Sepharose affinity chromatography. DNA sequence assay of the gene revealed a region with the general features of a prokaryotic signal peptide and a fifth structural region homologous to the four repetitive regions found earlier by amino acid sequence determination of the mature protein. Upstream from the structural gene there is a possible promoter region and a ribosomal binding sequence typical of gram-positive bacteria. The initiation codon is TTG.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cites
A rapid alkaline extraction procedure for screening recombinant plasmid DNA
Birnboim, H. C., & Doly, J. (1979) · Nucleic Acids Research · doi:10.1093/nar/7.6.1513 · Cited by 14,686
Cited by
Uhlén, M., Guss, B., Nilsson, B., Gatenbeck, S., Philipson, L., & Lindberg, M. (1984) · Journal of Biological Chemistry · doi:10.1016/s0021-9258(17)43463-6 · Cited by 566
Self-citationSorting of protein a to the staphylococcal cell wall
Schneewind, O., Model, P., & Fischetti, V. A. (1992) · Cell · doi:10.1016/0092-8674(92)90101-h · Cited by 552
Sortase‐catalysed anchoring of surface proteins to the cell wall of Staphylococcus aureus
Mazmanian, S. K., Ton‐That, H., & Schneewind, O. (2001) · Molecular Microbiology · doi:10.1046/j.1365-2958.2001.02411.x · Cited by 387
Affinity Fusion Strategies for Detection, Purification, and Immobilization of Recombinant Proteins
Nilsson, J., Ståhl, S., Lundeberg, J., Uhlén, M., & Nygren, P.-Å. (1997) · Protein Expression and Purification · doi:10.1006/prep.1997.0767 · Cited by 332
Self-citationImmobilization and purification of enzymes with staphylococcal protein A gene fusion vectors.
Nilsson, B., Abrahmsén, L., & Uhlén, M. (1985) · The EMBO Journal · doi:10.1002/j.1460-2075.1985.tb03741.x · Cited by 327
Self-citation
Metadata
- Authors
- Löfdahl, S., Guss, B., Uhlén, M., Philipson, L., & Lindberg, M.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 1983-02
- Volume
- 80
- Issue
- 3
- Pages
- 697-701
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2051846416
- Cited by
- 227
- References
- 1
- FWCI
- 19.36
- Type
- journal article
- Language
- en
- Open access
- green
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Gene for staphylococcal protein A. https://app.cochat.ai/papers/10.1073/pnas.80.3.697
- The paper
- Löfdahl, S., Guss, B., Uhlén, M., Philipson, L., & Lindberg, M. (1983). Gene for staphylococcal protein A. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.80.3.697
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
