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- Table of Contents
Facts about Cyclin-dependent kinase 12.
Preferentially phosphorylates'Ser-5' in CTD repeats which are currently phosphorylated at'Ser-7', but could also phosphorylate'Ser-2'. Required for RNA splicing, possibly by phosphorylating SRSF1/SF2.
| Human | |
|---|---|
| Gene Name: | CDK12 |
| Uniprot: | Q9NYV4 |
| Entrez: | 51755 |

| Belongs to: |
|---|
| protein kinase superfamily |

Cdc2-related kinase, arginine/serine-richCrkRS; Cell division cycle 2-related protein kinase 7; Cell division protein kinase 12; CRK7CDC2-related protein kinase 7; CRKR; CRKRS; cyclin-dependent kinase 12; EC 2.7.11; EC 2.7.11.23; hCDK12; KIAA0904EC 2.7.11.22
Mass (kDA):
164.155 kDA

| Human | |
|---|---|
| Location: | 17q12 |
| Sequence: | 17; NC_000017.11 (39461486..39567560) |
Ubiquitously expressed.
Nucleus. Nucleus speckle. Colocalized with nuclear speckles throughout interphase.




PMID: 11683387 by Ko T.K., et al. CrkRS: a novel conserved Cdc2-related protein kinase that colocalises with SC35 speckles.
PMID: 19651820 by Iorns E., et al. CRK7 modifies the MAPK pathway and influences the response to endocrine therapy.