Potassium-Binding Site Types in Proteins
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K+-dependent enzymes typically engage K+ through 4 to 8 bonds, nearly all to oxygen atoms (Asp, Glu, Ser, Thr).
“K+-dependent enzymes typically engage the ion through 4 to 8 bonds, which are nearly all to oxygen atoms (Asp, Glu, Ser, Thr).58”
From Metals in Motion: Understanding Labile Metal Pools in Bacteria (2025) · cites this paper as [58]
For type I enzymes (those that bind K+ with highest affinity), K+ is considered a cofactor.
“For those enzymes that bind K+ with the highest affinity (type I enzymes), K+ is considered a cofactor.”
From Metals in Motion: Understanding Labile Metal Pools in Bacteria (2025) · cites this paper as [58]
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Metals in Motion: Understanding Labile Metal Pools in Bacteria
Helmann, J. D. (2025) · Biochemistry · doi:10.1021/acs.biochem.4c00726 · Cited by 49 · see citing works
- Authors
- Durdagi, S., Roux, B., & Noskov, S. Y.
- Affiliations
- University of Calgary (CA)
- ORCID
- Noskov, Sergei Yu
- Venue
- Encyclopedia of Metalloproteins
- Publisher
- Springer New York
- Published
- 2013
- Pages
- 1809-1815
- OpenAlex
- W4238200335
- Cited by
- 3
- References
- 0
- Citations by year
- 2025: 1 · 2024: 1 · 2023: 1
- Type
- reference entry
- Language
- en
- Open access
- closed
- Locations
- Springer eBooks (publishedVersion)
- Topics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Structure and Dynamics
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ion channel regulation and function
- Physical Sciences › Materials Science › Materials Chemistry › Enzyme Structure and Function
- Keywords
- potassium binding site, protein-ligand binding, cation binding, small molecule binding
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.
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