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Tubulin beta 8B (TUBB8B)

Target: TUBB8B
Molecular classification: Cytoskeletal protein (microtubule constituent), Other (pseudogene/non-coding locus—a possible unprocessed pseudogene)

Overview

Tubulin beta 8B (TUBB8B) is a human gene locus found on chromosome 18, classified in several sources as either a predicted protein-coding gene or a pseudogene[2][6]. It is annotated based on homology to beta-tubulin protein family members, structural cytoskeletal components of microtubules which enable cell division, intracellular transport, and structural integrity[3][8]. The canonical TUBB8 gene encodes a beta-tubulin protein essential for oocyte spindle formation[1], but TUBB8B itself has no experimentally confirmed protein product or biological activity, and is predominantly annotated as a pseudogene or unprocessed locus in gene databases[2][6]. No evidence exists for drug interactions, disease roles, or clinical relevance of TUBB8B, distinguishing it from its functional paralog TUBB8.

Other names: TUBB8BTUBB8P12tubulin beta 8BHSA18p11 beta-tubulin 4Q pseudogeneTubulin beta-8 chain-like protein LOC260334tubulin beta 8 pseudogene 12

Mechanism of action

None known; since no drugs are identified for this locus, mechanisms of action are not established[2][8].

Biological functions

Structural constituent of cytoskeleton (predicted)GTP binding (predicted)The parental TUBB8 gene is important for meiotic spindle assembly and oocyte maturation[1], but there is no experimental confirmation for TUBB8B.

Disease associations

No direct disease associations or roles have been reported for TUBB8B specifically[6][2]. The related TUBB8 is linked to oocyte maturation arrest and female infertility[1], but TUBB8B itself lacks validated disease relevance.

Safety considerations

None described; as this is not a drug target, no safety issues are reported[2][6][8].

Interacting drugs

None reported; no drug interactions or compounds target TUBB8B in pharmacological datasets[2][6][8].

Biomarkers

None established for this gene; no evidence for biomarker utility[2][6][8].

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