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3ENM

The structure of the MAP2K MEK6 reveals an autoinhibitory dimer

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0004672molecular_functionprotein kinase activity
B0005524molecular_functionATP binding
B0006468biological_processprotein phosphorylation
C0004672molecular_functionprotein kinase activity
C0005524molecular_functionATP binding
C0006468biological_processprotein phosphorylation
D0004672molecular_functionprotein kinase activity
D0005524molecular_functionATP binding
D0006468biological_processprotein phosphorylation
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE SO4 A 2
ChainResidue
AASN89
ASER90
AGLN91
DARG121
DGLU122

site_idAC2
Number of Residues5
DetailsBINDING SITE FOR RESIDUE GOL A 1
ChainResidue
AHOH402
APRO274
ASER275
ALYS297
AHOH358

site_idAC3
Number of Residues7
DetailsBINDING SITE FOR RESIDUE SO4 B 4
ChainResidue
BVAL88
BASN89
BSER90
BGLN93
BLYS94
CARG121
CGLU122

site_idAC4
Number of Residues6
DetailsBINDING SITE FOR RESIDUE EDO B 1
ChainResidue
BGLU68
BLYS82
BARG83
BLEU204
BVAL205
DGLY65

site_idAC5
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 C 3
ChainResidue
BARG121
BGLU122
CASN89
CSER90
CGLN91
CHOH461

site_idAC6
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 D 1
ChainResidue
AARG121
AGLU122
AGLY123
DASN89
DSER90
DGLN91

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGRGAYGVVEkMrhvpsgqi..........MAVK
ChainResidueDetails
ALEU59-LYS82

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. ViHrDVKpsNVLI
ChainResidueDetails
AVAL175-ILE187

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by MAP3K; alternate","evidences":[{"source":"PubMed","id":"16728640","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24936062","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues4
DetailsModified residue: {"description":"Phosphothreonine; by MAP3K; alternate","evidences":[{"source":"PubMed","id":"16728640","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24936062","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP179
ASER183

site_idCSA10
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP179
BLYS181
BASN184

site_idCSA11
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
CASP179
CLYS181
CASN184

site_idCSA12
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
DASP179
DLYS181
DASN184

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP179
BSER183

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
CASP179
CSER183

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
DASP179
DSER183

site_idCSA5
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP179
ALYS181

site_idCSA6
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP179
BLYS181

site_idCSA7
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
CASP179
CLYS181

site_idCSA8
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
DASP179
DLYS181

site_idCSA9
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP179
ALYS181
AASN184

247536

PDB entries from 2026-01-14

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