MAP kinase kinase kinase

MAP kinase kinase kinase: MAP kinase kinase kinase (or MAP3K or MEKK) is a serine/threonine-specific protein kinase which acts upon MAP kinase kinase.

In humans there are at least 19 genes:

MAP3K1 (aka MEKK1)

MAP3K2

MAP3K3 (aka MEKK3)

MAP3K4

MAP3K5 (aka ASK1)

MAP3K6 (aka ASK2)

MAP3K7 (aka MEKK7) (aka TAK1)

MAP3K8 (aka TPL2 or Tpl2)

MAP3K9

MAP3K10

MAP3K11 (aka MEKK11) (aka MLK3)

MAP3K12 (aka MUK)

MAP3K13 (aka LZK)

MAP3K14

MAP3K15

MAP3K16 (aka TAO1 or TAOK1)

MAP3K17 (aka TAO2 or TAOK2)

RAF1

BRAF

ARAF

ZAK (aka MLTK)

Perhaps the best characterized MAP3K are the members of the oncogenic RAF family (RAF1, BRAF, ARAF), which are effectors of mitogenic ras signaling and which activate the ERK1/2 (MAPK3/MAPK1) pathway, through activation of MEK1(MAP2K1) and MEK2(MAP2K2).

MEKK1 activates MAPK8/JNK by phosphorylation of its activator SEK1(MAP2K4).^[1]

MAP3K3 directly regulates the MAPK8/JNK and extracellular signal-regulated protein kinase (ERK) pathways by activating SEK and MEK1/2 respectively; it does not regulate the p38 pathway.^[2]

MAP3K7(TAK1)participate in regulation of transcription by transforming growth factor-beta (TGF-beta).^[3]

Additional Images

MAPK pathway. Many of the MAP3K's here are labelled by their alternative names.

External links

MeSH MAP+Kinase+Kinase+Kinases

EC 2.7.11.25

References

^ Yan M et al. (1994). "Activation of stress-activated protein kinase by MEKK1 phosphorylation of its activator SEK1". Nature 372 (6508): 798–800. doi:10.1038/372798a0. PMID 7997270.

^ Ellinger-Ziegelbauer H et al. (1997). "Direct activation of the stress-activated protein kinase (SAPK) and extracellular signal-regulated protein kinase (ERK) pathways by an inducible mitogen-activated protein Kinase/ERK kinase kinase 3 (MEKK) derivative". J Biol Chem. 272 (5): 2668–2674. doi:10.1074/jbc.272.5.2668. PMID 9006902.

^ Yamaguchi K et al. (1995). "Identification of a member of the MAPKKK family as a potential mediator of TGF-beta signal transduction". Science 270 (5244): 2008–2011. doi:10.1126/science.270.5244.2008. PMID 8533096.

v · d · eMAP kinase activation

Initiation
Mitogen

MAP kinase kinase kinase (MAP3K or MKKK)
MAP kinase kinase kinases (MAP3K1, MAP3K2, MAP3K3, MAP3K4, MAP3K5, MAP3K6, MAP3K7, MAP3K8) RAFs (ARAF, BRAF, KSR1, KSR2) MLKs (MAP3K12, MAP3K13, MAP3K9, MAP3K10, MAP3K11, MAP3K7, ZAK) CDC7

MAP kinase kinase (MAP2K or MKK)
MAP2K1, MAP2K2, MAP2K3, MAP2K4, MAP2K5, MAP2K6, MAP2K7

MAP kinase
Extracellular signal-regulated (MAPK1, MAPK3, MAPK4, MAPK6, MAPK7, MAPK12, MAPK15), C-Jun N-terminal (MAPK8, MAPK9, MAPK10), P38 mitogen-activated protein (MAPK11, MAPK13, MAPK14)

Phosphatase
MAPK phosphatase

B trdu: iter (nrpl/grfl/cytl/horl), csrc (lgic, enzr, gprc, igsr, intg, nrpr/grfr/cytr), itra (adap, gbpr, mapk), calc, lipd; path (hedp, wntp, tgfp+mapp, notp, jakp, fsap, hipp, tlrp)

v · d · eKinases: Serine/threonine-specific protein kinases (EC 2.7.11-12)

Serine/threonine-specific protein kinases (EC 2.7.11.1-EC 2.7.11.20)

Non-specific serine/threonine protein kinases (EC 2.7.11.1)

LATS1, LATS2, MAST1, MAST2, STK38, STK38L, CIT, ROCK1, SGK, SGK2, SGK3, Protein kinase B (AKT1, AKT2, AKT3), Ataxia telangiectasia mutated, Mammalian target of rapamycin, EIF-2 kinases (PKR, HRI, EIF2AK3, EIF2AK4), Wee1 (WEE1)

Pyruvate dehydrogenase kinase (EC 2.7.11.2)

PDK1, PDK2, PDK3

Dephospho-(reductase kinase) kinase (EC 2.7.11.3)

AMP-activated protein kinase α (PRKAA1, PRKAA2) · β (PRKAB1, PRKAB2) · γ (PRKAG1, PRKAG2, PRKAG3)

(3-methyl-2-oxobutanoate dehydrogenase (acetyl-transferring)) (EC 2.7.11.4)

BCKDK, BCKDHA, BCKDHB

(isocitrate dehydrogenase (NADP+)) kinase (EC 2.7.11.5)

IDH2, IDH3A, IDH3B, IDH3G

(tyrosine 3-monooxygenase) kinase (EC 2.7.11.6)

STK4

Myosin-heavy-chain kinase (EC 2.7.11.7)

Aurora kinase (Aurora A kinase, Aurora B kinase)

Fas-activated serine/threonine kinase (EC 2.7.11.8)

FASTK, STK10

Goodpasture-antigen-binding protein kinase (EC 2.7.11.9)

-

IκB kinase (EC 2.7.11.10)

CHUK, IKK2, TBK1, IKBKE, IKBKG, IKBKAP

cAMP-dependent protein kinase (EC 2.7.11.11)

Protein kinase A, PRKACG, PRKACB, PRKACA, PRKY

cGMP-dependent protein kinase (EC 2.7.11.12)

Protein kinase G, PRKG1

Protein kinase C (EC 2.7.11.13)

Protein kinase C, Protein kinase Cζ, PKC alpha, PRKCB1, PRKCD, PRKCE, PRKCH, PRKCG, PRKCI, PRKCQ, Protein kinase N1, PKN2, PKN3,

Rhodopsin kinase (EC 2.7.11.14)

Rhodopsin kinase

Beta adrenergic receptor kinase (EC 2.7.11.15)

Beta adrenergic receptor kinase, Beta adrenergic receptor kinase-2

G-protein coupled receptor kinases (EC 2.7.11.16)

GRK4, GRK5, GRK6

Ca2+/calmodulin-dependent (EC 2.7.11.17)

BRSK2, CAMK1, CAMK2A, CAMK2B, CAMK2D, CAMK2G, CAMK4, MLCK, CASK, CHEK1, CHEK2, DAPK1, DAPK2, DAPK3, STK11, MAPKAPK2, MAPKAPK3, MAPKAPK5, MARK1, MARK2, MARK3, MARK4, MELK, MKNK1, MKNK2, NUAK1, NUAK2, OBSCN, PASK, PHKG1, PHKG2, PIM1, PIM2, PKD1, PRKD2, PRKD3, PSKH1, SNF1LK2, KIAA0999, STK40, SNF1LK, SNRK, SPEG, TSSK2, Kalirin, TRIB1, TRIB2, TRIB3, TRIO, Titin, DCLK1

Myosin light-chain kinase (EC 2.7.11.18)

MYLK, MYLK2, MYLK3, MYLK4

Phosphorylase kinase (EC 2.7.11.19)

PHKA1, PHKA2, PHKB, PHKG1, PHKG2

Elongation factor 2 kinase (EC 2.7.11.20)

EEF2K, STK19

Serine/threonine-specific protein kinases (EC 2.7.11.21-EC 2.7.11.30)

Polo kinase (EC 2.7.11.21)

PLK1, PLK2, PLK3, PLK4

Cyclin-dependent kinase (EC 2.7.11.22)

CDK1, CDK2, CDKL2, CDK3, CDK4, CDK5, CDKL5, CDK6, CDK7, CDK8, CDK9, CDK10, CDC2L5, CRKRS, PCTK1, PCTK2, PCTK3, PFTK1, CDC2L1

(RNA-polymerase)-subunit kinase (EC 2.7.11.23)

RPS6KA5, RPS6KA4, P70S6 kinase, P70-S6 Kinase 1, RPS6KB2, RPS6KA2, RPS6KA3, RPS6KA1, RPS6KC1

Mitogen-activated protein kinase (EC 2.7.11.24)

Extracellular signal-regulated (MAPK1, MAPK3, MAPK4, MAPK6, MAPK7, MAPK12, MAPK15), C-Jun N-terminal (MAPK8, MAPK9, MAPK10), P38 mitogen-activated protein (MAPK11, MAPK13, MAPK14)

MAP3K (EC 2.7.11.25)

MAP kinase kinase kinases (MAP3K1, MAP3K2, MAP3K3, MAP3K4, MAP3K5, MAP3K6, MAP3K7, MAP3K8) RAFs (ARAF, BRAF, KSR1, KSR2), MLKs (MAP3K12, MAP3K13, MAP3K9, MAP3K10, MAP3K11, MAP3K7, ZAK), CDC7, MAP3K14

Tau-protein kinase (EC 2.7.11.26)

TPK1, TTK, GSK-3

(acetyl-CoA carboxylase) kinase (EC 2.7.11.27)

-

Tropomyosin kinase (EC 2.7.11.28)

-

Low-density-lipoprotein receptor kinase (EC 2.7.11.29)

-

Receptor protein serine/threonine kinase (EC 2.7.11.30)

Bone morphogenetic protein receptors (BMPR1, BMPR1A, BMPR1B, BMPR2), ACVR1, ACVR1B, ACVR1C, ACVR2A, ACVR2B, ACVRL1, Anti-Müllerian hormone receptor

Dual-specificity kinases (EC 2.7.12)

MAP2K

MAP2K1, MAP2K2, MAP2K3, MAP2K4, MAP2K5, MAP2K6, MAP2K7

B enzm: 1.1/2/3/4/5/6/7/8/10/11/13/14/15-18, 2.1/2/3/4/5/6/7/8, 2.7.10, 2.7.11-12, 3.1/2/3/4/5/6/7, 3.1.3.48, 3.4.21/22/23/24, 4.1/2/3/4/5/6, 5.1/2/3/4/99, 6.1-3/4/5-6

Categories:
Biochemistry stubs
Cell signaling
Signal transduction

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MAP kinase kinase kinase

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