DNA replication factor Cdt1 - Q9H211 (CDT1_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

  • Number of PDB entries for Q9H211: 2
Required for both DNA replication and mitosis (PubMed:11125146, PubMed:22581055, PubMed:21856198, PubMed:14993212, PubMed:26842564). DNA replication licensing factor, required for pre-replication complex assembly. Cooperates with CDC6 and the origin recognition complex (ORC) during G1 phase of the cell cycle to promote the loading of the mini-chromosome maintenance (MCM) complex onto DNA to generate pre-replication complexes (pre-RC)(PubMed:14672932). Required also for mitosis by promoting stable kinetochore-microtubule attachments (PubMed:22581055). Potential oncogene. UniProt
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Subunit Structure
Interacts with GMNN; inhibits binding of the MCM complex to origins of replication (PubMed:11125146, PubMed:14672932, PubMed:14993212, PubMed:15257290). Interacts with CDC6; are mutually dependent on one another for loading MCM complexes onto chromatin (PubMed:14672932). Interacts with PCNA (PubMed:16861906). Interacts with LRWD1 during G1 phase and during mitosis (PubMed:22645314). Interacts with NDC80 subunit of the NDC80 complex; leading to kinetochore localization (PubMed:22581055). Interacts with GRWD1; origin binding of GRWD1 is dependent on CDT1 (PubMed:25990725). Interacts with KAT7 (PubMed:18832067). Interacts with ubiquitin-binding protein FAF1; the interaction is likely to promote CDT1 degradation (PubMed:26842564). UniProt
The PIP-box K+4 motif mediates both the interaction with PCNA and the recruitment of the DCX(DTL) complex: while the PIP-box interacts with PCNA, the presence of the K+4 submotif, recruits the DCX(DTL) complex, leading to its ubiquitination. UniProt
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