Q9XT09
Gene name |
MAP2K1 (MEK1, PRKMK1) |
Protein name |
Dual specificity mitogen-activated protein kinase kinase 1 |
Names |
MAP kinase kinase 1, MAPKK 1, ERK activator kinase 1, MAPK/ERK kinase 1, MEK 1 |
Species |
Pan troglodytes (Chimpanzee) |
KEGG Pathway |
ptr:450188 |
EC number |
2.7.12.2: Dual-specificity kinases (those acting on Ser/Thr and Tyr residues) |
Protein Class |
|

Descriptions
(Annotation based on sequence homology with Q02750)
MAP2K1 encodes for Dual specificity mitogen-activated protein kinase kinase 1, belongs to MAP2Ks family, plays an important role in MAP kinase signal transduction pathway. The α-helix 1 in the activation loop of MAP2K1 is shifted outwards from the active site because of the NRD. NRD of MAP2K1 prevents MAP2K1 changing to the active conformation. The autoinhibitory state of MAP2K1 is more stable as dimer in the absence of its own substrates or other interacting partners. The several interactions span from the N-terminal to the C-terminal to form dimer. Dimerization of MAP2K1 block access of the substrate binding site and the activation loop from macromolecules.
Autoinhibitory domains (AIDs)
Target domain |
|
Relief mechanism |
|
Assay |
cis-regPred |
Accessory elements
207-228 (Activation loop from InterPro)
Target domain |
68-361 (Protein kinase domain) |
Relief mechanism |
|
Assay |
|
Autoinhibited structure

Activated structure

1 structures for Q9XT09
Entry ID | Method | Resolution | Chain | Position | Source |
---|---|---|---|---|---|
AF-Q9XT09-F1 | Predicted | AlphaFoldDB |
No variants for Q9XT09
Variant ID(s) | Position | Change | Description | Diseaes Association | Provenance |
---|---|---|---|---|---|
No variants for Q9XT09 |
No associated diseases with Q9XT09
5 regional properties for Q9XT09
Type | Name | Position | InterPro Accession |
---|---|---|---|
domain | FAD-binding 8 | 613 - 726 | IPR013112 |
domain | Ferric reductase, NAD binding domain | 733 - 923 | IPR013121 |
domain | Ferric reductase transmembrane component-like domain | 414 - 570 | IPR013130 |
domain | NADPH oxidase Respiratory burst | 159 - 258 | IPR013623 |
domain | FAD-binding domain, ferredoxin reductase-type | 609 - 729 | IPR017927 |
Functions
Description | ||
---|---|---|
EC Number | 2.7.12.2 | Dual-specificity kinases (those acting on Ser/Thr and Tyr residues) |
Subcellular Localization |
|
|
PANTHER Family | ||
PANTHER Subfamily | ||
PANTHER Protein Class | ||
PANTHER Pathway Category | No pathway information available |
4 GO annotations of cellular component
Name | Definition |
---|---|
cytoplasm | The contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures. |
membrane | A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it. |
microtubule organizing center | An intracellular structure that can catalyze gamma-tubulin-dependent microtubule nucleation and that can anchor microtubules by interacting with their minus ends, plus ends or sides. |
nucleus | A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent. |
5 GO annotations of molecular function
Name | Definition |
---|---|
ATP binding | Binding to ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator. |
MAP kinase kinase activity | Catalysis of the concomitant phosphorylation of threonine (T) and tyrosine (Y) residues in a Thr-Glu-Tyr (TEY) thiolester sequence in a MAP kinase (MAPK) substrate. |
protein serine kinase activity | Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate. |
protein serine/threonine kinase activity | Catalysis of the reactions: ATP + protein serine = ADP + protein serine phosphate, and ATP + protein threonine = ADP + protein threonine phosphate. |
protein tyrosine kinase activity | Catalysis of the reaction: ATP + a protein tyrosine = ADP + protein tyrosine phosphate. |
2 GO annotations of biological process
Name | Definition |
---|---|
MAPK cascade | An intracellular protein kinase cascade containing at least a MAPK, a MAPKK and a MAP3K. The cascade can also contain an additional tiers: the upstream MAP4K. The kinases in each tier phosphorylate and activate the kinase in the downstream tier to transmit a signal within a cell. |
neuron differentiation | The process in which a relatively unspecialized cell acquires specialized features of a neuron. |
18 homologous proteins in AiPD
UniProt AC | Gene Name | Protein Name | Species | Evidence Code |
---|---|---|---|---|
P32491 | MKK2 | MAP kinase kinase MKK2/SSP33 | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | PR |
P32490 | MKK1 | MAP kinase kinase MKK1/SSP32 | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) | PR |
Q90891 | MAP2K2 | Dual specificity mitogen-activated protein kinase kinase 2 | Gallus gallus (Chicken) | PR |
Q24324 | Dsor1 | Dual specificity mitogen-activated protein kinase kinase dSOR1 | Drosophila melanogaster (Fruit fly) | PR |
Q13163 | MAP2K5 | Dual specificity mitogen-activated protein kinase kinase 5 | Homo sapiens (Human) | PR |
P36507 | MAP2K2 | Dual specificity mitogen-activated protein kinase kinase 2 | Homo sapiens (Human) | EV |
Q02750 | MAP2K1 | Dual specificity mitogen-activated protein kinase kinase 1 | Homo sapiens (Human) | EV |
Q9WVS7 | Map2k5 | Dual specificity mitogen-activated protein kinase kinase 5 | Mus musculus (Mouse) | PR |
Q63932 | Map2k2 | Dual specificity mitogen-activated protein kinase kinase 2 | Mus musculus (Mouse) | PR |
P31938 | Map2k1 | Dual specificity mitogen-activated protein kinase kinase 1 | Mus musculus (Mouse) | PR |
P36506 | Map2k2 | Dual specificity mitogen-activated protein kinase kinase 2 | Rattus norvegicus (Rat) | SS |
Q62862 | Map2k5 | Dual specificity mitogen-activated protein kinase kinase 5 | Rattus norvegicus (Rat) | PR |
Q01986 | Map2k1 | Dual specificity mitogen-activated protein kinase kinase 1 | Rattus norvegicus (Rat) | PR |
Q5QN75 | MKK1 | Mitogen-activated protein kinase kinase 1 | Oryza sativa subsp japonica (Rice) | PR |
Q10664 | mek-2 | Dual specificity mitogen-activated protein kinase kinase mek-2 | Caenorhabditis elegans | PR |
Q9FJV0 | MKK6 | Mitogen-activated protein kinase kinase 6 | Arabidopsis thaliana (Mouse-ear cress) | PR |
Q9S7U9 | MKK2 | Mitogen-activated protein kinase kinase 2 | Arabidopsis thaliana (Mouse-ear cress) | PR |
Q94A06 | MKK1 | Mitogen-activated protein kinase kinase 1 | Arabidopsis thaliana (Mouse-ear cress) | PR |
10 | 20 | 30 | 40 | 50 | 60 |
MPKKKPTPIQ | LNPAPDGSAV | NGTSSAETNL | EALQKKLEEL | ELDEQQRKRL | EAFLTQKQKV |
70 | 80 | 90 | 100 | 110 | 120 |
GELKDDDFEK | ISELGAGNGG | VVFKVSHKPS | GLVMARKLIH | LEIKPAIRNQ | IIRELQVLHE |
130 | 140 | 150 | 160 | 170 | 180 |
CNSPYIVGFY | GAFYSDGEIS | ICMEHMDGGS | LDQVLKKAGR | IPEQILGKVS | IAVIKGLTYL |
190 | 200 | 210 | 220 | 230 | 240 |
REKHKIMHRD | VQPSNILVNS | RGEIKLCDFG | VSGQLIDSMA | NSFVGTRSYM | SPERFQGTHY |
250 | 260 | 270 | 280 | 290 | 300 |
SVQSDIWSMG | LSPVEMAVGR | YPIPSPDAKE | LELMFGCQVE | GDAAETPPRP | RTPGRPLSSY |
310 | 320 | 330 | 340 | 350 | 360 |
GMDSRPPMAI | FELLDYIVNE | PPPKLPSGVF | SLEFQDFVNK | CLIKNPAERA | DLKQLMVHAF |
370 | 380 | 390 | |||
IKRSDAEEVD | FAGWLCSTIG | LNQPSTPTHA | AGV |