| HGNC Family | Keratin associated proteins (KRTAP) |
| Name | keratin associated protein 21-3 |
| Description | Predicted to be located in cytosol. [provided by Alliance of Genome Resources, Mar 2025] |
| Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\n Although the provided studies primarily focus on a novel chromosomal inversion on human chromosome 21 and the proteomic mapping of ciliary components, neither abstract offers specific experimental evidence or mechanistic details regarding the function of the gene KRTAP21‐3. The first study describes a 15‐Mb paracentric inversion on 21q that, while disrupting protein‐coding genes at the breakpoints, appears to be non‐pathogenic based on observations in unaffected carriers."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": " Given that KRTAP21‐3 belongs to the keratin‐associated protein family—generally known for contributing to the structural properties of keratin fibers—it is conceivable that any involvement of KRTAP21‐3 in the inversion would relate to such basic structural functions, although the study does not directly address this gene."}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n In the second study, a high‐resolution ciliary protein network is established to explore organelle‐specific interactions relevant to ciliogenesis and ciliary disease."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": " This work emphasizes molecular complexes related to vesicle transport, the cytoskeleton, signal transduction, and protein ubiquitination, yet it does not implicate KRTAP21‐3 within the ciliary landscape. Consequently, while the gene is catalogued among the broader protein‐coding repertoire of chromosome 21, its function appears not to intersect with the ciliary processes examined."}]}, {"type": "t", "text": "\n "}, {"type": "p", "children": [{"type": "t", "text": "\n Overall, based on these abstracts, any role of KRTAP21‐3 remains inferred only by its membership in the keratin‐associated protein family and its chromosomal context; direct functional insights regarding its contribution to either chromosomal stability or ciliary biology have not been elucidated in these reports.\n "}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Jana Drabova, Marie Trkova, Miroslava Hancarova, et al. "}, {"type": "b", "children": [{"type": "t", "text": "A 15 Mb large paracentric chromosome 21 inversion identified in Czech population through a pair of flanking duplications."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Mol Cytogenet (2014)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1186/1755-8166-7-51"}], "href": "https://doi.org/10.1186/1755-8166-7-51"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "25411581"}], "href": "https://pubmed.ncbi.nlm.nih.gov/25411581"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Karsten Boldt, Jeroen van Reeuwijk, Qianhao Lu, et al. "}, {"type": "b", "children": [{"type": "t", "text": "An organelle-specific protein landscape identifies novel diseases and molecular mechanisms."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Nat Commun (2016)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1038/ncomms11491"}], "href": "https://doi.org/10.1038/ncomms11491"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "27173435"}], "href": "https://pubmed.ncbi.nlm.nih.gov/27173435"}]}]}]}
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| Proteins | KR213_HUMAN |
| NCBI Gene ID | 100288323 |
| API | |
| Download Associations | |
| Predicted Functions |
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| Co-expressed Genes |
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| Expression in Tissues and Cell Lines |
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KRTAP21-3 has 605 functional associations with biological entities spanning 5 categories (molecular profile, functional term, phrase or reference, disease, phenotype or trait, cell line, cell type or tissue, gene, protein or microRNA) extracted from 32 datasets.
Click the + buttons to view associations for KRTAP21-3 from the datasets below.
If available, associations are ranked by standardized value
| Dataset | Summary | |
|---|---|---|
| Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles | tissue samples with high or low expression of KRTAP21-3 gene relative to other tissue samples from the Allen Brain Atlas Aging Dementia and Traumatic Brain Injury Tissue Sample Gene Expression Profiles dataset. | |
| CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of KRTAP21-3 gene relative to other cell lines from the CCLE Cell Line Gene CNV Profiles dataset. | |
| ChEA Transcription Factor Binding Site Profiles | transcription factor binding site profiles with transcription factor binding evidence at the promoter of KRTAP21-3 gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
| ChEA Transcription Factor Targets | transcription factors binding the promoter of KRTAP21-3 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets dataset. | |
| ChEA Transcription Factor Targets 2022 | transcription factors binding the promoter of KRTAP21-3 gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset. | |
| CM4AI KOLF21J CRISPRi Gene Perturbation Atlas | gene perturbations changing expression of KRTAP21-3 gene from the CM4AI KOLF21J CRISPRi Gene Perturbation Atlas dataset. | |
| COMPARTMENTS Curated Protein Localization Evidence Scores | cellular components containing KRTAP21-3 protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset. | |
| COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with KRTAP21-3 protein in abstracts of biomedical publications from the COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 dataset. | |
| COSMIC Cell Line Gene CNV Profiles | cell lines with high or low copy number of KRTAP21-3 gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
| COSMIC Cell Line Gene Mutation Profiles | cell lines with KRTAP21-3 gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset. | |
| DepMap CRISPR Gene Dependency | cell lines with fitness changed by KRTAP21-3 gene knockdown relative to other cell lines from the DepMap CRISPR Gene Dependency dataset. | |
| DISEASES Experimental Gene-Disease Association Evidence Scores 2025 | diseases associated with KRTAP21-3 gene in GWAS datasets from the DISEASES Experimental Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| DISEASES Text-mining Gene-Disease Association Evidence Scores 2025 | diseases co-occuring with KRTAP21-3 gene in abstracts of biomedical publications from the DISEASES Text-mining Gene-Disease Assocation Evidence Scores 2025 dataset. | |
| ENCODE Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at KRTAP21-3 gene from the ENCODE Histone Modification Site Profiles dataset. | |
| ENCODE Transcription Factor Binding Site Profiles | transcription factor binding site profiles with transcription factor binding evidence at the promoter of KRTAP21-3 gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
| ENCODE Transcription Factor Targets | transcription factors binding the promoter of KRTAP21-3 gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
| GO Cellular Component Annotations 2015 | cellular components containing KRTAP21-3 protein from the curated GO Cellular Component Annotations 2015 dataset. | |
| GWAS Catalog SNP-Phenotype Associations 2025 | phenotypes associated with KRTAP21-3 gene in GWAS datasets from the GWAS Catalog SNP-Phenotype Associations 2025 dataset. | |
| HPA Tissue Protein Expression Profiles | tissues with high or low expression of KRTAP21-3 protein relative to other tissues from the HPA Tissue Protein Expression Profiles dataset. | |
| JASPAR Predicted Human Transcription Factor Targets 2025 | transcription factors regulating expression of KRTAP21-3 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Human Transcription Factor Targets dataset. | |
| JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of KRTAP21-3 gene predicted using known transcription factor binding site motifs from the JASPAR Predicted Transcription Factor Targets dataset. | |
| Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles | cell lines with high or low copy number of KRTAP21-3 gene relative to other cell lines from the Klijn et al., Nat. Biotechnol., 2015 Cell Line Gene CNV Profiles dataset. | |
| KnockTF Gene Expression Profiles with Transcription Factor Perturbations | transcription factor perturbations changing expression of KRTAP21-3 gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset. | |
| MotifMap Predicted Transcription Factor Targets | transcription factors regulating expression of KRTAP21-3 gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset. | |
| Reactome Pathways 2024 | pathways involving KRTAP21-3 protein from the Reactome Pathways 2024 dataset. | |
| Roadmap Epigenomics Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at KRTAP21-3 gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset. | |
| Rummagene Transcription Factor Associations 2026 | transcription factors regulating expression of KRTAP21-3 gene from the Rummagene Transcription Factor Associations 2026 dataset. | |
| TargetScan Predicted Nonconserved microRNA Targets | microRNAs regulating expression of KRTAP21-3 gene predicted using nonconserved miRNA seed sequences from the TargetScan Predicted Nonconserved microRNA Targets dataset. | |
| TISSUES Curated Tissue Protein Expression Evidence Scores | tissues with high expression of KRTAP21-3 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores dataset. | |
| TISSUES Curated Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of KRTAP21-3 protein from the TISSUES Curated Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of KRTAP21-3 protein in proteomics datasets from the TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 dataset. | |
| TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 | tissues co-occuring with KRTAP21-3 protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |