UNC45B - unc-45 myosin chaperone B Gene
Also Known as CMYA4; MFM11; UNC45; CTRCT43; SMUNC45; UNC-45B
Species: Homo sapiens
About UNC45B
This gene has 3 transcripts (splice variants), 218 orthologues, 18 paralogues and is associated with 6 phenotypes. Restricted expression toward heart (RPKM 36.4).
Summary
This gene encodes a co-chaperone required for folding and accumulation of type II myosins. The protein consists of three tetratricopeptide repeat motifs at the N-terminus that form a complex with heat shock protein 90, a central region of unknown function that is conserved in all Unc-45 proteins, and a C-terminal Unc-45/Cro1/She4 domain. The protein is expressed at high levels in striated muscle, where its muscle Myosin chaperone activity is dependent on heat shock protein 90 acting as a co-chaperone. A missense mutation in this gene has been associated with cataract development. Alternative splicing results in multiple transcript variants. [provided by RefSeq, Apr 2015]
UNC45B Products (4)
| mRNA | Protein | Name |
|---|---|---|
| NM_001033576.2 | NP_001028748.1 | protein unc-45 homolog B isoform 2 |
| NM_001267052.2 | NP_001253981.1 | protein unc-45 homolog B isoform 2 |
| NM_001308281.1 | NP_001295210.1 | protein unc-45 homolog B isoform 3 |
| NM_173167.3 | NP_775259.1 | protein unc-45 homolog B isoform 1 |
| Molecular Function GO Annotation | Evidence | References | Source |
|---|---|---|---|
| enables protein binding |
IPI
IPI: Inferred from physical interaction
|
25036637 | GOA |
UNC45B Protein Structure
TPR_11: TPR repeat (6 - 73)
TPR_1: Tetratricopeptide repeat (78 - 110)
UNC45-central: Myosin-binding striated muscle assembly central (273 - 489)
- 0
- 200
- 400
- 600
- 800
- 931 a.a.
| Protein Preferred Names | Protein Names | |
|---|---|---|
|
protein unc-45 homolog B |
|
UNC45B Protein-protein interaction Information
|
Type
|
Protein Name | Protein ID | Interactor | Interactor Species | Interactor ID | Detection Method | References |
|---|---|---|---|---|---|---|---|
|
Intra
|
UNC45B | Q8IWX7 | HSP90AA1 | Homo sapiens | P07900 | 33961781 | |
|
Intra
|
UNC45B | Q8IWX7 | HSP90AB1 | Homo sapiens | P08238 | 33961781 | |
|
Intra
|
UNC45B | Q8IWX7 | HSP90AB1 | Homo sapiens | P08238 | 25036637 |
Related Diseases
| Diseases | Alias | |
|---|---|---|
| Cataract 43 |
|
|
| Myofibrillar Myopathy 11 |
|
|
| Early-Onset Posterior Subcapsular Cataract |
|
|
| Myopathy |
|
|
| Early-Onset Nuclear Cataract |
|
|
| Cardiomyopathy, Dilated, 1a |
|
|
| Cardiomyopathy, Dilated, 1h |
|
|
| Cataract |
|
|
| Dilated Cardiomyopathy |
|
|
| Inflammatory Bowel Disease 27 |
|
|
| Myofibrillar Myopathy |
|
|
| Muscular Dystrophy, Congenital, Due To Integrin Alpha-7 Deficiency |
|
|
| Inclusion Body Myopathy With Paget Disease Of Bone And Frontotemporal Dementia |
|
|
| Deafness, Autosomal Recessive 102 |
|
|
| Nonaka Myopathy |
|
|
Orthologs Information
| Species | Symbol | Source | ID |
|---|---|---|---|
| Macaca mulatta | UNC45B | VGNC | VGNC:78954 |
| Felis catus | UNC45B | VGNC | VGNC:66826 |
| Bos taurus | UNC45B | VGNC | VGNC:36668 |
| Rattus norvegicus | UNC45B | RGD | RGD:1305666 |
| Canis familiaris | UNC45B | VGNC | VGNC:48138 |
| Mus musculus | UNC45B | MGD | MGI:2443377 |
| Others | UNC45B | NCBI |