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1S9I

X-ray structure of the human mitogen-activated protein kinase kinase 2 (MEK2)in a complex with ligand and MgATP

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
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG A 536
ChainResidue
AASN199
AASP212
AATP535

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE MG B 538
ChainResidue
BASN199
BASP212
BATP537

site_idAC3
Number of Residues18
DetailsBINDING SITE FOR RESIDUE ATP A 535
ChainResidue
AVAL86
AALA99
ALYS101
AMET147
AGLU148
AMET150
ASER154
AGLN157
AASP194
ALYS196
ASER198
ALEU201
AASP212
AMG536
A5EA1001
ALEU78
AGLY81
AASN82

site_idAC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ATP B 537
ChainResidue
BLEU78
BGLY79
BGLY81
BASN82
BGLY84
BALA99
BLYS101
BMET147
BGLU148
BMET150
BSER154
BGLN157
BLYS196
BSER198
BASN199
BLEU201
BASP212
BMG538
B5EA1002

site_idAC5
Number of Residues15
DetailsBINDING SITE FOR RESIDUE 5EA A 1001
ChainResidue
AASN82
ALYS101
ALEU119
ALEU122
AVAL131
AMET147
AARG193
AASP194
AASP212
APHE213
AGLY214
AVAL215
ASER216
AMET223
AATP535

site_idAC6
Number of Residues12
DetailsBINDING SITE FOR RESIDUE 5EA B 1002
ChainResidue
BLYS101
BLEU119
BLEU122
BVAL131
BASP212
BPHE213
BGLY214
BVAL215
BSER216
BLEU219
BMET223
BATP537

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. LGAGNGGVVTkVqhrpsgli..........MARK
ChainResidueDetails
ALEU78-LYS101

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. ImHrDVKpsNILV
ChainResidueDetails
AILE190-VAL202

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
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_FI2
Number of Residues18
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by RAF; alternate","evidences":[{"source":"PubMed","id":"10409742","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"17116858","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
ASER198
AASP194

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BSER198
BASP194

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP194
ALYS196

site_idCSA4
Number of Residues2
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP194
BLYS196

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASP194
ATHR230
ALYS196

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASP194
BTHR230
BLYS196

site_idCSA7
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
AASN199
AASP194
ALYS196

site_idCSA8
Number of Residues3
DetailsAnnotated By Reference To The Literature 1ir3
ChainResidueDetails
BASN199
BASP194
BLYS196

site_idMCSA1
Number of Residues2
DetailsM-CSA 282
ChainResidueDetails
AASP194hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
AASP221attractive charge-charge interaction, electrostatic stabiliser, steric role

site_idMCSA2
Number of Residues2
DetailsM-CSA 282
ChainResidueDetails
BASP194hydrogen bond acceptor, hydrogen bond donor, proton acceptor, proton donor
BASP221attractive charge-charge interaction, electrostatic stabiliser, steric role

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PDB entries from 2025-10-08

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