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4NIF

Heterodimeric structure of ERK2 and RSK1

Functional Information from GO Data
ChainGOidnamespacecontents
A0004672molecular_functionprotein kinase activity
A0005524molecular_functionATP binding
A0006468biological_processprotein phosphorylation
B0000165biological_processMAPK cascade
B0000166molecular_functionnucleotide binding
B0001784molecular_functionphosphotyrosine residue binding
B0003677molecular_functionDNA binding
B0004672molecular_functionprotein kinase activity
B0004674molecular_functionprotein serine/threonine kinase activity
B0004707molecular_functionMAP kinase activity
B0005515molecular_functionprotein binding
B0005524molecular_functionATP binding
B0005576cellular_componentextracellular region
B0005634cellular_componentnucleus
B0005654cellular_componentnucleoplasm
B0005737cellular_componentcytoplasm
B0005739cellular_componentmitochondrion
B0005769cellular_componentearly endosome
B0005770cellular_componentlate endosome
B0005788cellular_componentendoplasmic reticulum lumen
B0005794cellular_componentGolgi apparatus
B0005813cellular_componentcentrosome
B0005819cellular_componentspindle
B0005829cellular_componentcytosol
B0005856cellular_componentcytoskeleton
B0005886cellular_componentplasma membrane
B0005901cellular_componentcaveola
B0005925cellular_componentfocal adhesion
B0005929cellular_componentcilium
B0006357biological_processregulation of transcription by RNA polymerase II
B0006468biological_processprotein phosphorylation
B0006915biological_processapoptotic process
B0006935biological_processchemotaxis
B0006974biological_processDNA damage response
B0007165biological_processsignal transduction
B0007166biological_processcell surface receptor signaling pathway
B0007173biological_processepidermal growth factor receptor signaling pathway
B0007268biological_processchemical synaptic transmission
B0007507biological_processheart development
B0007611biological_processlearning or memory
B0008286biological_processinsulin receptor signaling pathway
B0008353molecular_functionRNA polymerase II CTD heptapeptide repeat kinase activity
B0009887biological_processanimal organ morphogenesis
B0010759biological_processpositive regulation of macrophage chemotaxis
B0010800biological_processpositive regulation of peptidyl-threonine phosphorylation
B0014032biological_processneural crest cell development
B0014044biological_processSchwann cell development
B0015630cellular_componentmicrotubule cytoskeleton
B0016020cellular_componentmembrane
B0016301molecular_functionkinase activity
B0016740molecular_functiontransferase activity
B0018107biological_processpeptidyl-threonine phosphorylation
B0019858biological_processcytosine metabolic process
B0019902molecular_functionphosphatase binding
B0030278biological_processregulation of ossification
B0030641biological_processregulation of cellular pH
B0030878biological_processthyroid gland development
B0031143cellular_componentpseudopodium
B0031647biological_processregulation of protein stability
B0031663biological_processlipopolysaccharide-mediated signaling pathway
B0032206biological_processpositive regulation of telomere maintenance
B0032496biological_processresponse to lipopolysaccharide
B0032872biological_processregulation of stress-activated MAPK cascade
B0033598biological_processmammary gland epithelial cell proliferation
B0034198biological_processcellular response to amino acid starvation
B0035094biological_processresponse to nicotine
B0035556biological_processintracellular signal transduction
B0035578cellular_componentazurophil granule lumen
B0036064cellular_componentciliary basal body
B0038127biological_processERBB signaling pathway
B0038133biological_processERBB2-ERBB3 signaling pathway
B0042473biological_processouter ear morphogenesis
B0042552biological_processmyelination
B0042802molecular_functionidentical protein binding
B0043330biological_processresponse to exogenous dsRNA
B0045202cellular_componentsynapse
B0045542biological_processpositive regulation of cholesterol biosynthetic process
B0045596biological_processnegative regulation of cell differentiation
B0048009biological_processinsulin-like growth factor receptor signaling pathway
B0048538biological_processthymus development
B0050852biological_processT cell receptor signaling pathway
B0050853biological_processB cell receptor signaling pathway
B0051403biological_processstress-activated MAPK cascade
B0051493biological_processregulation of cytoskeleton organization
B0060020biological_processBergmann glial cell differentiation
B0060291biological_processlong-term synaptic potentiation
B0060324biological_processface development
B0060425biological_processlung morphogenesis
B0060440biological_processtrachea formation
B0060716biological_processlabyrinthine layer blood vessel development
B0061308biological_processcardiac neural crest cell development involved in heart development
B0061514biological_processinterleukin-34-mediated signaling pathway
B0070098biological_processchemokine-mediated signaling pathway
B0070161cellular_componentanchoring junction
B0070371biological_processERK1 and ERK2 cascade
B0070849biological_processresponse to epidermal growth factor
B0071356biological_processcellular response to tumor necrosis factor
B0072584biological_processcaveolin-mediated endocytosis
B0072686cellular_componentmitotic spindle
B0090170biological_processregulation of Golgi inheritance
B0106310molecular_functionprotein serine kinase activity
B0120041biological_processpositive regulation of macrophage proliferation
B0150078biological_processpositive regulation of neuroinflammatory response
B1904813cellular_componentficolin-1-rich granule lumen
B2000641biological_processregulation of early endosome to late endosome transport
D0004672molecular_functionprotein kinase activity
D0005524molecular_functionATP binding
D0006468biological_processprotein phosphorylation
E0000165biological_processMAPK cascade
E0000166molecular_functionnucleotide binding
E0001784molecular_functionphosphotyrosine residue binding
E0003677molecular_functionDNA binding
E0004672molecular_functionprotein kinase activity
E0004674molecular_functionprotein serine/threonine kinase activity
E0004707molecular_functionMAP kinase activity
E0005515molecular_functionprotein binding
E0005524molecular_functionATP binding
E0005576cellular_componentextracellular region
E0005634cellular_componentnucleus
E0005654cellular_componentnucleoplasm
E0005737cellular_componentcytoplasm
E0005739cellular_componentmitochondrion
E0005769cellular_componentearly endosome
E0005770cellular_componentlate endosome
E0005788cellular_componentendoplasmic reticulum lumen
E0005794cellular_componentGolgi apparatus
E0005813cellular_componentcentrosome
E0005819cellular_componentspindle
E0005829cellular_componentcytosol
E0005856cellular_componentcytoskeleton
E0005886cellular_componentplasma membrane
E0005901cellular_componentcaveola
E0005925cellular_componentfocal adhesion
E0005929cellular_componentcilium
E0006357biological_processregulation of transcription by RNA polymerase II
E0006468biological_processprotein phosphorylation
E0006915biological_processapoptotic process
E0006935biological_processchemotaxis
E0006974biological_processDNA damage response
E0007165biological_processsignal transduction
E0007166biological_processcell surface receptor signaling pathway
E0007173biological_processepidermal growth factor receptor signaling pathway
E0007268biological_processchemical synaptic transmission
E0007507biological_processheart development
E0007611biological_processlearning or memory
E0008286biological_processinsulin receptor signaling pathway
E0008353molecular_functionRNA polymerase II CTD heptapeptide repeat kinase activity
E0009887biological_processanimal organ morphogenesis
E0010759biological_processpositive regulation of macrophage chemotaxis
E0010800biological_processpositive regulation of peptidyl-threonine phosphorylation
E0014032biological_processneural crest cell development
E0014044biological_processSchwann cell development
E0015630cellular_componentmicrotubule cytoskeleton
E0016020cellular_componentmembrane
E0016301molecular_functionkinase activity
E0016740molecular_functiontransferase activity
E0018107biological_processpeptidyl-threonine phosphorylation
E0019858biological_processcytosine metabolic process
E0019902molecular_functionphosphatase binding
E0030278biological_processregulation of ossification
E0030641biological_processregulation of cellular pH
E0030878biological_processthyroid gland development
E0031143cellular_componentpseudopodium
E0031647biological_processregulation of protein stability
E0031663biological_processlipopolysaccharide-mediated signaling pathway
E0032206biological_processpositive regulation of telomere maintenance
E0032496biological_processresponse to lipopolysaccharide
E0032872biological_processregulation of stress-activated MAPK cascade
E0033598biological_processmammary gland epithelial cell proliferation
E0034198biological_processcellular response to amino acid starvation
E0035094biological_processresponse to nicotine
E0035556biological_processintracellular signal transduction
E0035578cellular_componentazurophil granule lumen
E0036064cellular_componentciliary basal body
E0038127biological_processERBB signaling pathway
E0038133biological_processERBB2-ERBB3 signaling pathway
E0042473biological_processouter ear morphogenesis
E0042552biological_processmyelination
E0042802molecular_functionidentical protein binding
E0043330biological_processresponse to exogenous dsRNA
E0045202cellular_componentsynapse
E0045542biological_processpositive regulation of cholesterol biosynthetic process
E0045596biological_processnegative regulation of cell differentiation
E0048009biological_processinsulin-like growth factor receptor signaling pathway
E0048538biological_processthymus development
E0050852biological_processT cell receptor signaling pathway
E0050853biological_processB cell receptor signaling pathway
E0051403biological_processstress-activated MAPK cascade
E0051493biological_processregulation of cytoskeleton organization
E0060020biological_processBergmann glial cell differentiation
E0060291biological_processlong-term synaptic potentiation
E0060324biological_processface development
E0060425biological_processlung morphogenesis
E0060440biological_processtrachea formation
E0060716biological_processlabyrinthine layer blood vessel development
E0061308biological_processcardiac neural crest cell development involved in heart development
E0061514biological_processinterleukin-34-mediated signaling pathway
E0070098biological_processchemokine-mediated signaling pathway
E0070161cellular_componentanchoring junction
E0070371biological_processERK1 and ERK2 cascade
E0070849biological_processresponse to epidermal growth factor
E0071356biological_processcellular response to tumor necrosis factor
E0072584biological_processcaveolin-mediated endocytosis
E0072686cellular_componentmitotic spindle
E0090170biological_processregulation of Golgi inheritance
E0106310molecular_functionprotein serine kinase activity
E0120041biological_processpositive regulation of macrophage proliferation
E0150078biological_processpositive regulation of neuroinflammatory response
E1904813cellular_componentficolin-1-rich granule lumen
E2000641biological_processregulation of early endosome to late endosome transport
Functional Information from PDB Data
site_idAC1
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ANP B 401
ChainResidue
BGLY34
BASP106
BMET108
BASP111
BLYS114
BLYS151
BSER153
BASP167
BHOH509
BHOH514
BHOH537
BALA35
BHOH538
BHOH548
BHOH623
BHOH646
BHOH806
BTYR36
BGLY37
BVAL39
BALA52
BLYS54
BARG67
BGLN105

site_idAC2
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 B 402
ChainResidue
AASN568
BARG191
BHIS232
BTYR233
BHOH539
BHOH713
DSER415
DTYR479
DHOH844

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE SO4 B 403
ChainResidue
BHIS61
BGLN62
BLYS340
BHOH789

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE NA B 404
ChainResidue
BARG70
BVAL173
BHOH515
BHOH738

site_idAC5
Number of Residues24
DetailsBINDING SITE FOR RESIDUE ANP E 401
ChainResidue
EGLU33
EGLY34
EALA35
ETYR36
EGLY37
EVAL39
EALA52
ELYS54
EARG67
EGLN105
EASP106
EMET108
EASP111
ELYS151
ESER153
ELEU156
EASP167
EHOH506
EHOH510
EHOH513
EHOH539
EHOH560
EHOH736
EHOH773

site_idAC6
Number of Residues9
DetailsBINDING SITE FOR RESIDUE SO4 E 402
ChainResidue
ASER415
ATYR479
AHOH928
DASN568
EARG191
EHIS232
ETYR233
EHOH526
EHOH763

site_idAC7
Number of Residues5
DetailsBINDING SITE FOR RESIDUE NA E 403
ChainResidue
EARG70
EVAL173
EPHE331
EHOH524
EHOH796

Functional Information from PROSITE/UniProt
site_idPS00107
Number of Residues24
DetailsPROTEIN_KINASE_ATP Protein kinases ATP-binding region signature. IGVGSYSECKrCvhkatnme..........YAVK
ChainResidueDetails
AILE424-LYS447
BILE31-LYS55

site_idPS00108
Number of Residues13
DetailsPROTEIN_KINASE_ST Serine/Threonine protein kinases active-site signature. VvHrDLKpsNILY
ChainResidueDetails
AVAL531-TYR543
BVAL145-LEU157

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 Residues2
DetailsActive site: {"description":"Proton acceptor","evidences":[{"evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues36
DetailsBinding site: {"evidences":[{"source":"PROSITE-ProRule","id":"PRU00159","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"9430688","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues36
DetailsDNA binding: {}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues4
DetailsMotif: {"description":"TXY","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues8
DetailsMotif: {"description":"Cytoplasmic retention motif","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues12
DetailsMotif: {"description":"Nuclear translocation motif","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI8
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_FI9
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by SGK1","evidences":[{"source":"PubMed","id":"19447520","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues2
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_FI11
Number of Residues2
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_FI12
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine; by autocatalysis","evidences":[{"source":"PubMed","id":"19060905","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"18760948","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI14
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"19369195","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

239803

PDB entries from 2025-08-06

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