KDM5A
protein-coding gene in the species Homo sapiens
Lysine-specific demethylase 5A is an enzyme that in humans is encoded by the KDM5A gene.
Function
The protein encoded by this gene is a ubiquitously expressed nuclear protein. It binds directly, with several other proteins, to retinoblastoma protein which regulates cell proliferation. It was formerly known as Retinoblastoma Binding Protein 2 (RBP2). This protein also interacts with rhombotin-2 which functions distinctly in erythropoiesis and in T-cell leukemogenesis. Rhombotin-2 is thought to either directly affect the activity of the encoded protein or may indirectly modulate the functions of the retinoblastoma protein by binding to this protein. Alternatively spliced transcript variants encoding distinct isoforms have been found for this gene.
The Drosophila homolog, LID, was found to be an H3K4 histone demethylase that binds to c-Myc. It was recently renamed to Lysine Demethylase 5 (KDM5).
Enzymatically can be designated as a trimethyllysine dioxygenase, which is a member of the alpha-ketoglutarate-dependent hydroxylase superfamily (EC 1.14.11.8).
Begin with the source’s own compact description: “KDM5A” is protein-coding gene in the species Homo sapiens. The dossier treats that line as a proposition to test through KDM5A, protein-coding and gene, not as a finished interpretation.
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The phrase “protein-coding gene in the species Homo sapiens” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jul 19, 2025. The linked authority identifier is Q18031053. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “KDM5A” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.