| Pantothenate Kinase 4 | |
|---|---|
| Gene Symbol | PANK4 |
| Full Name | Pantothenate Kinase 4 |
| Chromosome | 1p36.22 |
| NCBI Gene ID | 132864 |
| OMIM | 607152 |
| Ensembl ID | ENSG00000155040 |
| UniProt ID | Q9N0Z4 |
| Associated Diseases | Cilia Function, Developmental Disorders |
PANK4 (Pantothenate Kinase 4) is a gene located on chromosome 1p36.22 that encodes the largest and most distinct member of the human pantothenate kinase family. Unlike other PANK isoforms, PANK4 contains a unique N-terminal extension and exhibits distinct regulatory properties. While PANK2 is the predominant brain isoform, PANK4 is widely expressed with notable levels in tissues containing ciliated cells, including respiratory epithelium and retina.
Recent research has revealed unexpected connections between PANK4 and ciliary function. Studies suggest that PANK4 may link coenzyme A (CoA) metabolism to cellular organization and development through its effects on cilium function and cellular polarity. This makes PANK4 particularly interesting in the context of ciliopathies and potentially in neurodegenerative processes where cellular organization is disrupted.
PANK4 encodes pantothenate kinase 4, the largest and most distinct member of the pantothenate kinase family. Unlike other PANK isoforms, PANK4 appears to have distinct regulatory properties and may function differently in the CoA biosynthetic pathway. Recent research suggests PANK4 may be involved in cilium function and cellular polarity, linking CoA metabolism to cellular organization and development. PANK4 contains an N-terminal extension not found in other isoforms.
Widely expressed with notable expression in tissues with ciliated cells, including respiratory epithelium and retina. Expression in brain is widespread but not predominant.
| Disease | Variants | Inheritance | Mechanism |
|---|---|---|---|
| Developmental Disorders | Various | Autosomal Recessive | Impaired ciliary function |
| Ciliopathies | Various | Potential | Defects in cilium organization |