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Q05116

- MP2K1_XENLA

UniProt

Q05116 - MP2K1_XENLA

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Protein

Dual specificity mitogen-activated protein kinase kinase 1

Gene

map2k1

Organism
Xenopus laevis (African clawed frog)
Status
Reviewed - Annotation score: 4 out of 5- Experimental evidence at protein leveli

Functioni

Dual specificity protein kinase which acts as an essential component of the MAP kinase signal transduction pathway. Binding of extracellular ligands such as growth factors, cytokines and hormones to their cell-surface receptors activates the MAPK/ERK cascade, ultimately leading to phosphorylation of a threonine and a tyrosine residue in a Thr-Glu-Tyr sequence located in MAP kinases. Depending on the cellular context, this pathway mediates diverse biological functions such as cell growth, adhesion, survival and differentiation predominantly through the regulation of transcription, metabolism and cytoskeletal rearrangements (By similarity).By similarity

Catalytic activityi

ATP + a protein = ADP + a phosphoprotein.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei97 – 971ATPPROSITE-ProRule annotation
Active sitei190 – 1901Proton acceptorPROSITE-ProRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi74 – 829ATPPROSITE-ProRule annotation

GO - Molecular functioni

  1. ATP binding Source: UniProtKB-KW
  2. protein serine/threonine kinase activity Source: UniProtKB-KW
  3. protein tyrosine kinase activity Source: UniProtKB-KW
Complete GO annotation...

Keywords - Molecular functioni

Kinase, Serine/threonine-protein kinase, Transferase, Tyrosine-protein kinase

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Enzyme and pathway databases

BRENDAi2.7.12.2. 6726.

Names & Taxonomyi

Protein namesi
Recommended name:
Dual specificity mitogen-activated protein kinase kinase 1 (EC:2.7.12.2)
Short name:
MAP kinase kinase 1
Short name:
MAPKK 1
Alternative name(s):
ERK activator kinase 1
MAPK/ERK kinase 1
Short name:
MEK1
Gene namesi
Name:map2k1
OrganismiXenopus laevis (African clawed frog)
Taxonomic identifieri8355 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiAmphibiaBatrachiaAnuraPipoideaPipidaeXenopodinaeXenopusXenopus

Organism-specific databases

XenbaseiXB-GENE-865216. map2k1.

Subcellular locationi

GO - Cellular componenti

  1. cytoplasm Source: UniProtKB-KW
  2. cytoskeleton Source: UniProtKB-KW
  3. nucleus Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm, Cytoskeleton, Nucleus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed
Chaini2 – 395394Dual specificity mitogen-activated protein kinase kinase 1PRO_0000086371Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Modified residuei218 – 2181Phosphoserine; by RAFBy similarity
Modified residuei222 – 2221Phosphoserine; by RAFBy similarity

Post-translational modificationi

Activated by phosphorylation on Ser/Thr catalyzed by MAP kinase kinase kinases (RAF or MOS).

Keywords - PTMi

Phosphoprotein

Miscellaneous databases

PMAP-CutDBQ05116.

Expressioni

Tissue specificityi

Expressed in the central nervous system, kidney, liver, intestine and the hematopoietic system.

Interactioni

Protein-protein interaction databases

BioGridi98233. 5 interactions.
MINTiMINT-121021.

Structurei

3D structure databases

ProteinModelPortaliQ05116.
SMRiQ05116. Positions 62-383.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini68 – 363296Protein kinasePROSITE-ProRule annotationAdd
BLAST

Compositional bias

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Compositional biasi262 – 30948Pro-richAdd
BLAST

Sequence similaritiesi

Contains 1 protein kinase domain.PROSITE-ProRule annotation

Phylogenomic databases

HOVERGENiHBG108518.
KOiK04368.

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.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q05116-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPKKKPTPIQ LNPNPEGTAV NGTPTAETNL EALQKKLEEL ELDEQQRKRL
60 70 80 90 100
EAFLTQKQKV GELKDDDFEK VSELGAGNGG VVFKVSHKPT SLIMARKLIH
110 120 130 140 150
LEIKPAIRNQ IIRELQVLHE CNSPYIVGFY GAFYSDGEIS ICMEHMDGGS
160 170 180 190 200
LDQVLKKAGK IPEKILGKVS IAVIKGLTYL REKHKIMHRD VKPSNILVNS
210 220 230 240 250
RGEIKLCDFG VSGQLIDSMA NSFVGTRSYM SPERLQGTHY SVQSDIWSMG
260 270 280 290 300
LSLVEMAIGR YPIPPPDAKE LELIFGCSVE RDPASSELAP RPRPPGRPIS
310 320 330 340 350
SYGPDSRPPM AIFELLDYIV NEPPPKLPSG VFGAEFQDFV NKCLVKNPAE
360 370 380 390
RADLKQLMVH SFIKQSELEE VDFAGWLCST MGLKQPSTPT HAAGV
Length:395
Mass (Da):43,742
Last modified:January 23, 2007 - v2
Checksum:iF09607CCD1C206BE
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D13700 mRNA. Translation: BAA02860.1.
BC043913 mRNA. Translation: AAH43913.1.
PIRiS36186.
RefSeqiNP_001080299.1. NM_001086830.1.
UniGeneiXl.5877.

Genome annotation databases

GeneIDi379991.
KEGGixla:379991.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D13700 mRNA. Translation: BAA02860.1 .
BC043913 mRNA. Translation: AAH43913.1 .
PIRi S36186.
RefSeqi NP_001080299.1. NM_001086830.1.
UniGenei Xl.5877.

3D structure databases

ProteinModelPortali Q05116.
SMRi Q05116. Positions 62-383.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

BioGridi 98233. 5 interactions.
MINTi MINT-121021.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

GeneIDi 379991.
KEGGi xla:379991.

Organism-specific databases

CTDi 5604.
Xenbasei XB-GENE-865216. map2k1.

Phylogenomic databases

HOVERGENi HBG108518.
KOi K04368.

Enzyme and pathway databases

BRENDAi 2.7.12.2. 6726.

Miscellaneous databases

PMAP-CutDB Q05116.

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

« Hide 'large scale' publications
  1. "cDNA cloning of MAP kinase kinase reveals kinase cascade pathways in yeasts to vertebrates."
    Kosako H., Nishida E., Gotoh Y.
    EMBO J. 12:787-794(1993) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA], PARTIAL PROTEIN SEQUENCE.
  2. NIH - Xenopus Gene Collection (XGC) project
    Submitted (JAN-2003) to the EMBL/GenBank/DDBJ databases
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
    Tissue: Embryo.

Entry informationi

Entry nameiMP2K1_XENLA
AccessioniPrimary (citable) accession number: Q05116
Secondary accession number(s): Q5D0B8
Entry historyi
Integrated into UniProtKB/Swiss-Prot: June 1, 1994
Last sequence update: January 23, 2007
Last modified: October 29, 2014
This is version 93 of the entry and version 2 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Direct protein sequencing

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3