Regulatory Network in Protein Phosphorylation
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Substrate: MARK2

Description: Serine/threonine-protein kinase MARK2 (EC 2.7.11.1) (MAP/microtubuleaffinity-regulating kinase 2) (ELKL motif kinase) (EMK1) (PAR1homolog).

Synonyms: EMK1

Ensembl ID: ENSG00000072518

UniprotKB/SwissProt: MARK2_HUMAN (Q7KZI7)

Function: Role in epithelial morphogenesis. Modulates the developmental decision to build a columnar versus a hepatic epithelial cell apparently by promoting a switch from a direct to a transcytotic mode of apical protein delivery. Essential for the asymmetric development of membrane domains of polarized epithelial cells. One or more isoforms may play a role in graft rejection.

Other Modifications: View all modification sites in dbPTM

Protein Subcellular Localization: Cell membrane; Peripheral membrane protein. Note=Phosphorylated by PRKCZ in polarized epithelial cells, resulting in an interaction with YWHAZ which promotes relocation from the lateral to the apical membrane.
Protein Domain and Phosphorylation Sites:

The phosphorylated sites of MARK2

No.SubstrateUniProtKB IDPositionPhosphoPeptideSolvent AccessibilityCatalytic kinaseSourceComputational Annotation of Catalytic KinaseInteracting PartnersExpression Analysis
1MARK2MARK2_HUMANS40IRGRN S ATSAD 31.40% Swiss-Prot 55.0 View   
2MARK2MARK2_HUMANS40IRGRN S ATSAD 31.40% Phospho.ELM 7.0View   
3MARK2MARK2_HUMANT208GNKLD T FCGSP 31.12% Swiss-Prot 55.0 View   
4MARK2MARK2_HUMANT208GNKLD T FCGSP 31.12%LKB1(STK11) Phospho.ELM 7.0 ViewAnalyzing
5MARK2MARK2_HUMANS212DTFCG S PPYAA 24.71% Swiss-Prot 55.0 (Similarity)View   
6MARK2MARK2_HUMANS422IPTSN S YSKKT 30.47% HPRD:02753(in vivo)View   
7MARK2MARK2_HUMANS456AKVPA S PLPGL 22.39% Phospho.ELM 7.0View   
8MARK2MARK2_HUMANS456AKVPA S PLPGL 22.39% Swiss-Prot 55.0 View   
9MARK2MARK2_HUMANT469KKTTP T PSTNS 27.98% Phospho.ELM 7.0View   
10MARK2MARK2_HUMANT469KKTTP T PSTNS 27.98% Swiss-Prot 55.0 View   
11MARK2MARK2_HUMANS479SVLST S TNRSR 21.95% Phospho.ELM 7.0View   
12MARK2MARK2_HUMANS479SVLST S TNRSR 21.95% Swiss-Prot 55.0 View   
13MARK2MARK2_HUMANS486NRSRN S PLLER 18.80% Swiss-Prot 55.0 View   
14MARK2MARK2_HUMANS486NRSRN S PLLER 18.80% Phospho.ELM 7.0View   
15MARK2MARK2_HUMANS569RVPVA S PSAHN 21.44% Swiss-Prot 55.0 View   
16MARK2MARK2_HUMANS569RVPVA S PSAHN 21.44% Phospho.ELM 7.0View   
17MARK2MARK2_HUMANS571PVASP S AHNIS 39.40% Swiss-Prot 55.0 View   
18MARK2MARK2_HUMANS571PVASP S AHNIS 39.40% Phospho.ELM 7.0View   
19MARK2MARK2_HUMANT596VSSRS T FHAGQ 20.52%PKCa(PKC alpha) Phospho.ELM 7.0 ViewAnalyzing
20MARK2MARK2_HUMANT596VSSRS T FHAGQ 20.52%PKCz Swiss-Prot 55.0   ViewAnalyzing
21MARK2MARK2_HUMANT596VSSRS T FHAGQ 20.52% HPRD:02753(in vitro)View   
22MARK2MARK2_HUMANS619GVTPA S PSGHS 22.32% Swiss-Prot 55.0 View   
23MARK2MARK2_HUMANS619GVTPA S PSGHS 22.32% Phospho.ELM 7.0View   
24MARK2MARK2_HUMANS631GRRGA S GSIFS 35.58% Phospho.ELM 7.0View   
25MARK2MARK2_HUMANS631GRRGA S GSIFS 35.58% Swiss-Prot 55.0 View