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9TYH

Structure of the MAP2K MEK1 in an active conformation in complex with its substrate MAPK ERK2

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues25
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGEGAYGMVCsAydnvnkvrv.........AIKK
ChainResidueDetails
BILE31-LYS55
ALEU80-LYS103

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. VlHrDLKpsNLLL
ChainResidueDetails
BVAL145-LEU157
AILE192-VAL204

site_idPS01351
Number of Residues103
DetailsMAPK MAP kinase signature. FehqtycqrtlREikillrfrheniigindiiraptieqmkdvyivqdlmetdlykllktqhlsndhicyflyqilrglkyihsanvlh..........RDlKpsnlllnttC
ChainResidueDetails
BPHE59-CYS161

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues288
DetailsDomain: {"description":"Protein kinase","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues18
DetailsDNA binding: {}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsMotif: {"description":"TXY","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues4
DetailsMotif: {"description":"Cytoplasmic retention motif","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues6
DetailsMotif: {"description":"Nuclear translocation motif","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PROSITE-ProRule","id":"PRU10027","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues9
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine; by SGK1","evidences":[{"source":"PubMed","id":"19447520","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by MAP2K1 and MAP2K2","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues1
DetailsModified residue: {"description":"Phosphotyrosine; by MAP2K1 and MAP2K2","evidences":[{"source":"PubMed","id":"19053285","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19494114","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"19690332","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"21406692","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues1
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"19060905","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19369195","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"},{"source":"PubMed","id":"15543157","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17880056","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"18951019","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19019675","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19706763","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"21310613","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI15
Number of Residues4
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19161339","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3EQH","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI16
Number of Residues3
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"19161339","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"3EQF","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI17
Number of Residues1
DetailsSite: {"description":"Cleavage; by anthrax lethal factor"}
ChainResidueDetails

248942

PDB entries from 2026-02-11

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