HGNC Family | Speedy/RINGO cell cycle regulator family (SPDY) |
Name | speedy/RINGO cell cycle regulator family member C |
Description | Enables protein kinase binding activity. Predicted to be located in nucleus. [provided by Alliance of Genome Resources, Mar 2025] |
Summary |
{"type": "root", "children": [{"type": "p", "children": [{"type": "t", "text": "\nSPDYC, a member of the Speedy/Ringo protein family, functions as an unconventional activator of cyclin-dependent kinases that is critical for cell cycle regulation. It facilitates the activation of CDK complexes independently of cyclins and is particularly important during the late S phase and G₂ phase, where its normal expression promotes timely cell cycle progression."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "SPDYC levels must be optimally maintained, as evidenced by RNA interference studies showing that reduced SPDYC expression delays progression through S and G₂ phases, whereas its overexpression accelerates these transitions, shortens G₂ duration, and can even disrupt the DNA damage checkpoint—alterations that may contribute to cell death and aberrant cell cycle entry."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "1"}]}, {"type": "t", "text": "Furthermore, SPDYC plays a critical role in mitotic fidelity. Its depletion results in premature mitotic exit and misaligned chromosomes by impairing the recruitment of key spindle assembly checkpoint components such as Mad2, Bub1, and BubR1, and by causing mislocalization of the active form of Aurora B. These defects culminate in erroneous chromosome segregation, underscoring SPDYC’s essential function in maintaining the mitotic checkpoint and genomic stability."}, {"type": "fg", "children": [{"type": "fg_f", "ref": "2"}]}, {"type": "t", "text": ""}]}, {"type": "rg", "children": [{"type": "r", "ref": 1, "children": [{"type": "t", "text": "Aiyang Cheng, Mark J Solomon "}, {"type": "b", "children": [{"type": "t", "text": "Speedy/Ringo C regulates S and G2 phase progression in human cells."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "Cell Cycle (2008)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.4161/cc.7.19.6736"}], "href": "https://doi.org/10.4161/cc.7.19.6736"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "18802405"}], "href": "https://pubmed.ncbi.nlm.nih.gov/18802405"}]}, {"type": "r", "ref": 2, "children": [{"type": "t", "text": "Silvana Mourón, Guillermo de Cárcer, Esther Seco, et al. "}, {"type": "b", "children": [{"type": "t", "text": "RINGO C is required to sustain the spindle-assembly checkpoint."}]}, {"type": "t", "text": " "}, {"type": "i", "children": [{"type": "t", "text": "J Cell Sci (2010)"}]}, {"type": "t", "text": " DOI: "}, {"type": "a", "children": [{"type": "t", "text": "10.1242/jcs.059964"}], "href": "https://doi.org/10.1242/jcs.059964"}, {"type": "t", "text": " PMID: "}, {"type": "a", "children": [{"type": "t", "text": "20605920"}], "href": "https://pubmed.ncbi.nlm.nih.gov/20605920"}]}]}]}
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Synonyms | RINGO2, RINGOC |
Proteins | SPDYC_HUMAN |
NCBI Gene ID | 387778 |
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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SPDYC has 1,275 functional associations with biological entities spanning 8 categories (molecular profile, functional term, phrase or reference, chemical, disease, phenotype or trait, structural feature, cell line, cell type or tissue, gene, protein or microRNA, sequence feature) extracted from 48 datasets.
Click the + buttons to view associations for SPDYC from the datasets below.
If available, associations are ranked by standardized value
Dataset | Summary | |
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Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of SPDYC gene relative to other tissues from the Allen Brain Atlas Adult Human Brain Tissue Gene Expression Profiles dataset. | |
Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles | tissues with high or low expression of SPDYC gene relative to other tissues from the Allen Brain Atlas Prenatal Human Brain Tissue Gene Expression Profiles dataset. | |
CCLE Cell Line Gene CNV Profiles | cell lines with high or low copy number of SPDYC 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 SPDYC gene from the CHEA Transcription Factor Binding Site Profiles dataset. | |
ChEA Transcription Factor Targets | transcription factors binding the promoter of SPDYC 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 SPDYC gene in low- or high-throughput transcription factor functional studies from the CHEA Transcription Factor Targets 2022 dataset. | |
COMPARTMENTS Curated Protein Localization Evidence Scores | cellular components containing SPDYC protein from the COMPARTMENTS Curated Protein Localization Evidence Scores dataset. | |
COMPARTMENTS Text-mining Protein Localization Evidence Scores 2025 | cellular components co-occuring with SPDYC 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 SPDYC gene relative to other cell lines from the COSMIC Cell Line Gene CNV Profiles dataset. | |
COSMIC Cell Line Gene Mutation Profiles | cell lines with SPDYC gene mutations from the COSMIC Cell Line Gene Mutation Profiles dataset. | |
CTD Gene-Chemical Interactions | chemicals interacting with SPDYC gene/protein from the curated CTD Gene-Chemical Interactions dataset. | |
DISEASES Experimental Gene-Disease Association Evidence Scores 2025 | diseases associated with SPDYC 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 SPDYC 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 SPDYC 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 SPDYC gene from the ENCODE Transcription Factor Binding Site Profiles dataset. | |
ENCODE Transcription Factor Targets | transcription factors binding the promoter of SPDYC gene in ChIP-seq datasets from the ENCODE Transcription Factor Targets dataset. | |
GeneRIF Biological Term Annotations | biological terms co-occuring with SPDYC gene in literature-supported statements describing functions of genes from the GeneRIF Biological Term Annotations dataset. | |
GO Biological Process Annotations 2015 | biological processes involving SPDYC gene from the curated GO Biological Process Annotations 2015 dataset. | |
GO Cellular Component Annotations 2015 | cellular components containing SPDYC protein from the curated GO Cellular Component Annotations 2015 dataset. | |
GO Cellular Component Annotations 2023 | cellular components containing SPDYC protein from the curated GO Cellular Component Annotations 2023 dataset. | |
GO Cellular Component Annotations 2025 | cellular components containing SPDYC protein from the curated GO Cellular Component Annotations 2025 dataset. | |
GO Molecular Function Annotations 2015 | molecular functions performed by SPDYC gene from the curated GO Molecular Function Annotations 2015 dataset. | |
GO Molecular Function Annotations 2023 | molecular functions performed by SPDYC gene from the curated GO Molecular Function Annotations 2023 dataset. | |
GO Molecular Function Annotations 2025 | molecular functions performed by SPDYC gene from the curated GO Molecular Function Annotations 2025 dataset. | |
GTEx eQTL 2025 | SNPs regulating expression of SPDYC gene from the GTEx eQTL 2025 dataset. | |
GTEx Tissue Gene Expression Profiles | tissues with high or low expression of SPDYC gene relative to other tissues from the GTEx Tissue Gene Expression Profiles dataset. | |
GTEx Tissue Gene Expression Profiles 2023 | tissues with high or low expression of SPDYC gene relative to other tissues from the GTEx Tissue Gene Expression Profiles 2023 dataset. | |
Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles | cell lines with high or low expression of SPDYC gene relative to other cell lines from the Heiser et al., PNAS, 2011 Cell Line Gene Expression Profiles dataset. | |
HPA Tissue Gene Expression Profiles | tissues with high or low expression of SPDYC gene relative to other tissues from the HPA Tissue Gene Expression Profiles dataset. | |
HPA Tissue Protein Expression Profiles | tissues with high or low expression of SPDYC protein relative to other tissues from the HPA Tissue Protein Expression Profiles dataset. | |
InterPro Predicted Protein Domain Annotations | protein domains predicted for SPDYC protein from the InterPro Predicted Protein Domain Annotations dataset. | |
JASPAR Predicted Transcription Factor Targets | transcription factors regulating expression of SPDYC 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 SPDYC 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 SPDYC gene from the KnockTF Gene Expression Profiles with Transcription Factor Perturbations dataset. | |
LOCATE Predicted Protein Localization Annotations | cellular components predicted to contain SPDYC protein from the LOCATE Predicted Protein Localization Annotations dataset. | |
MotifMap Predicted Transcription Factor Targets | transcription factors regulating expression of SPDYC gene predicted using known transcription factor binding site motifs from the MotifMap Predicted Transcription Factor Targets dataset. | |
NURSA Protein Complexes | protein complexs containing SPDYC protein recovered by IP-MS from the NURSA Protein Complexes dataset. | |
PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations | gene perturbations changing expression of SPDYC gene from the PerturbAtlas Signatures of Differentially Expressed Genes for Gene Perturbations dataset. | |
Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures | gene perturbations changing expression of SPDYC gene from the Replogle et al., Cell, 2022 K562 Essential Perturb-seq Gene Perturbation Signatures dataset. | |
Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures | gene perturbations changing expression of SPDYC gene from the Replogle et al., Cell, 2022 K562 Genome-wide Perturb-seq Gene Perturbation Signatures dataset. | |
Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles | cell types and tissues with high or low DNA methylation of SPDYC gene relative to other cell types and tissues from the Roadmap Epigenomics Cell and Tissue DNA Methylation Profiles dataset. | |
Roadmap Epigenomics Histone Modification Site Profiles | histone modification site profiles with high histone modification abundance at SPDYC gene from the Roadmap Epigenomics Histone Modification Site Profiles dataset. | |
RummaGEO Drug Perturbation Signatures | drug perturbations changing expression of SPDYC gene from the RummaGEO Drug Perturbation Signatures dataset. | |
RummaGEO Gene Perturbation Signatures | gene perturbations changing expression of SPDYC gene from the RummaGEO Gene Perturbation Signatures dataset. | |
Tabula Sapiens Gene-Cell Associations | cell types with high or low expression of SPDYC gene relative to other cell types from the Tabula Sapiens Gene-Cell Associations dataset. | |
TCGA Signatures of Differentially Expressed Genes for Tumors | tissue samples with high or low expression of SPDYC gene relative to other tissue samples from the TCGA Signatures of Differentially Expressed Genes for Tumors dataset. | |
TISSUES Experimental Tissue Protein Expression Evidence Scores 2025 | tissues with high expression of SPDYC 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 SPDYC protein in abstracts of biomedical publications from the TISSUES Text-mining Tissue Protein Expression Evidence Scores 2025 dataset. | |