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Q8JH47

- CDK8_DANRE

UniProt

Q8JH47 - CDK8_DANRE

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Protein

Cyclin-dependent kinase 8

Gene

cdk8

Organism
Danio rerio (Zebrafish) (Brachydanio rerio)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at transcript leveli

Functioni

Component of the Mediator complex, a coactivator involved in regulated gene transcription of nearly all RNA polymerase II-dependent genes. Mediator functions as a bridge to convey information from gene-specific regulatory proteins to the basal RNA polymerase II transcription machinery. Mediator is recruited to promoters by direct interactions with regulatory proteins and serves as a scaffold for the assembly of a functional preinitiation complex with RNA polymerase II and the general transcription factors. Phosphorylates the CTD (C-terminal domain) of the large subunit of RNA polymerase II (RNAp II), which may inhibit the formation of a transcription initiation complex (By similarity).By similarity

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.
ATP + [DNA-directed RNA polymerase] = ADP + [DNA-directed RNA polymerase] phosphate.

Cofactori

Mg2+By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei52 – 521ATPPROSITE-ProRule annotation
Active sitei151 – 1511Proton acceptorPROSITE-ProRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi27 – 359ATPPROSITE-ProRule annotation

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. cyclin-dependent protein serine/threonine kinase activity Source: UniProtKB-EC
  3. RNA polymerase II carboxy-terminal domain kinase activity Source: UniProtKB-EC

GO - Biological processi

  1. regulation of transcription, DNA-templated Source: UniProtKB-KW
  2. transcription, DNA-templated Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Activator, Kinase, Repressor, Serine/threonine-protein kinase, Transferase

Keywords - Biological processi

Transcription, Transcription regulation

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Cyclin-dependent kinase 8 (EC:2.7.11.22, EC:2.7.11.23)
Alternative name(s):
Cell division protein kinase 8
Mediator complex subunit cdk8
Mediator of RNA polymerase II transcription subunit cdk8
Gene namesi
Name:cdk8
OrganismiDanio rerio (Zebrafish) (Brachydanio rerio)
Taxonomic identifieri7955 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiActinopterygiiNeopterygiiTeleosteiOstariophysiCypriniformesCyprinidaeDanio
ProteomesiUP000000437: Unplaced

Organism-specific databases

ZFINiZDB-GENE-030903-2. cdk8.

Subcellular locationi

Nucleus Curated

GO - Cellular componenti

  1. nucleus Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 464464Cyclin-dependent kinase 8PRO_0000312926Add
BLAST

Proteomic databases

PRIDEiQ8JH47.

Expressioni

Developmental stagei

Expressed maternally. Expressed zygotically throughout development from the mid-blastula transition. Expression is concentrated in the head and trunk region of the embryo at the pharyngula stage of development.1 Publication

Interactioni

Subunit structurei

Component of the Mediator complex. Interacts with ccnc.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ8JH47.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini21 – 335315Protein kinasePROSITE-ProRule annotationAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni1 – 1515Interaction with CCNCBy similarityAdd
BLAST

Compositional bias

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Compositional biasi373 – 3775Poly-Gln

Sequence similaritiesi

Contains 1 protein kinase domain.PROSITE-ProRule annotation

Phylogenomic databases

eggNOGiCOG0515.
HOVERGENiHBG014652.
InParanoidiQ8JH47.
KOiK02208.

Family and domain databases

InterProiIPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view]
PfamiPF00069. Pkinase. 1 hit.
[Graphical view]
SMARTiSM00220. S_TKc. 1 hit.
[Graphical view]
SUPFAMiSSF56112. SSF56112. 1 hit.
PROSITEiPS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q8JH47-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGYDFKVKLT GERERVEDLF EYEGCKVGRG TYGHVYKAKR KDGKDDRDYA
60 70 80 90 100
LKQIEGTGIS MSACREIALL RELKHPNVIS LQKVFLSHAD RKVWLLFDYA
110 120 130 140 150
EHDLWHIIKF HRASKANKKP LQLPRGMVKS LLYQILDGIH YLHANWVLHR
160 170 180 190 200
DLKPANILVM GEGPERGRVK IADMGFARLS NSPLKPLADL DPVVVTFWYR
210 220 230 240 250
APELLLGARH YTKAIDIWAI GCIFAELLTS EPIFHCRQED IKTSNPYHHD
260 270 280 290 300
QLDRIFNVMG FPADKDWEDI KKMPEHSTLM KDFRRNTYTN CSLIKYMEKH
310 320 330 340 350
KVKPDSKAFH LLQKLLTMDP IRRITSEQAM QDPYFLEEPL PTSDVFAGCQ
360 370 380 390 400
IPYPKREFLT EEEPEDKADK KNQQQQQGNN HTNGAGHTGN PDNSHAQGPP
410 420 430 440 450
LKKVRVVPPT ATSSGLIMTS DYQRSNPHAA YQNPGPSTSL PQSSMGYSST
460
SQQPPQYSHQ THRY
Length:464
Mass (Da):53,234
Last modified:October 1, 2002 - v1
Checksum:i291B2CF7EFD35A62
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY007219 mRNA. Translation: AAG01892.1.
RefSeqiNP_919389.1. NM_194408.1.
UniGeneiDr.82150.

Genome annotation databases

GeneIDi373868.
KEGGidre:373868.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AY007219 mRNA. Translation: AAG01892.1 .
RefSeqi NP_919389.1. NM_194408.1.
UniGenei Dr.82150.

3D structure databases

ProteinModelPortali Q8JH47.
ModBasei Search...
MobiDBi Search...

Proteomic databases

PRIDEi Q8JH47.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 373868.
KEGGi dre:373868.

Organism-specific databases

CTDi 1024.
ZFINi ZDB-GENE-030903-2. cdk8.

Phylogenomic databases

eggNOGi COG0515.
HOVERGENi HBG014652.
InParanoidi Q8JH47.
KOi K02208.

Miscellaneous databases

NextBioi 20813405.
PROi Q8JH47.

Family and domain databases

InterProi IPR011009. Kinase-like_dom.
IPR000719. Prot_kinase_dom.
IPR017441. Protein_kinase_ATP_BS.
IPR002290. Ser/Thr_dual-sp_kinase.
IPR008271. Ser/Thr_kinase_AS.
[Graphical view ]
Pfami PF00069. Pkinase. 1 hit.
[Graphical view ]
SMARTi SM00220. S_TKc. 1 hit.
[Graphical view ]
SUPFAMi SSF56112. SSF56112. 1 hit.
PROSITEi PS00107. PROTEIN_KINASE_ATP. 1 hit.
PS50011. PROTEIN_KINASE_DOM. 1 hit.
PS00108. PROTEIN_KINASE_ST. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Cyclin-dependent kinase 8 is expressed both maternally and zygotically during zebrafish embryo development."
    Brabazon E.D., Bree R.T., Carton M.W., Grealy M., Byrnes L.
    Biochim. Biophys. Acta 1576:203-208(2002) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA], DEVELOPMENTAL STAGE.

Entry informationi

Entry nameiCDK8_DANRE
AccessioniPrimary (citable) accession number: Q8JH47
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: October 1, 2002
Last modified: November 26, 2014
This is version 88 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3