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2XB2

Crystal structure of the core Mago-Y14-eIF4AIII-Barentsz-UPF3b assembly shows how the EJC is bridged to the NMD machinery

Functional Information from GO Data
ChainGOidnamespacecontents
A0000166molecular_functionnucleotide binding
A0000184biological_processnuclear-transcribed mRNA catabolic process, nonsense-mediated decay
A0000398biological_processmRNA splicing, via spliceosome
A0003676molecular_functionnucleic acid binding
A0003723molecular_functionRNA binding
A0003724molecular_functionRNA helicase activity
A0003729molecular_functionmRNA binding
A0004386molecular_functionhelicase activity
A0005515molecular_functionprotein binding
A0005524molecular_functionATP binding
A0005634cellular_componentnucleus
A0005654cellular_componentnucleoplasm
A0005681cellular_componentspliceosomal complex
A0005730cellular_componentnucleolus
A0005737cellular_componentcytoplasm
A0005829cellular_componentcytosol
A0006364biological_processrRNA processing
A0006397biological_processmRNA processing
A0006406biological_processmRNA export from nucleus
A0006417biological_processregulation of translation
A0008143molecular_functionpoly(A) binding
A0008306biological_processassociative learning
A0008380biological_processRNA splicing
A0010629biological_processnegative regulation of gene expression
A0016020cellular_componentmembrane
A0016071biological_processmRNA metabolic process
A0016607cellular_componentnuclear speck
A0016787molecular_functionhydrolase activity
A0016887molecular_functionATP hydrolysis activity
A0017148biological_processnegative regulation of translation
A0030425cellular_componentdendrite
A0035145cellular_componentexon-exon junction complex
A0035368molecular_functionselenocysteine insertion sequence binding
A0035613molecular_functionRNA stem-loop binding
A0035640biological_processexploration behavior
A0043021molecular_functionribonucleoprotein complex binding
A0043025cellular_componentneuronal cell body
A0045727biological_processpositive regulation of translation
A0048701biological_processembryonic cranial skeleton morphogenesis
A0051028biological_processmRNA transport
A0071006cellular_componentU2-type catalytic step 1 spliceosome
A0071013cellular_componentcatalytic step 2 spliceosome
A0072715biological_processcellular response to selenite ion
A0090394biological_processnegative regulation of excitatory postsynaptic potential
A0098794cellular_componentpostsynapse
A0098978cellular_componentglutamatergic synapse
A0099578biological_processregulation of translation at postsynapse, modulating synaptic transmission
A1904570biological_processnegative regulation of selenocysteine incorporation
A1990416biological_processcellular response to brain-derived neurotrophic factor stimulus
A1990904cellular_componentribonucleoprotein complex
A2000622biological_processregulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay
C0000184biological_processnuclear-transcribed mRNA catabolic process, nonsense-mediated decay
C0000381biological_processregulation of alternative mRNA splicing, via spliceosome
C0000398biological_processmRNA splicing, via spliceosome
C0003723molecular_functionRNA binding
C0005515molecular_functionprotein binding
C0005634cellular_componentnucleus
C0005654cellular_componentnucleoplasm
C0005681cellular_componentspliceosomal complex
C0005737cellular_componentcytoplasm
C0005829cellular_componentcytosol
C0006397biological_processmRNA processing
C0006406biological_processmRNA export from nucleus
C0006417biological_processregulation of translation
C0008380biological_processRNA splicing
C0016071biological_processmRNA metabolic process
C0016607cellular_componentnuclear speck
C0035145cellular_componentexon-exon junction complex
C0050684biological_processregulation of mRNA processing
C0051028biological_processmRNA transport
C0071013cellular_componentcatalytic step 2 spliceosome
C1990501cellular_componentexon-exon junction subcomplex mago-y14
C2000622biological_processregulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay
D0003676molecular_functionnucleic acid binding
D0003723molecular_functionRNA binding
D0003729molecular_functionmRNA binding
D0005634cellular_componentnucleus
D0005737cellular_componentcytoplasm
D0006396biological_processRNA processing
S0003723molecular_functionRNA binding
S0003729molecular_functionmRNA binding
S0006397biological_processmRNA processing
S0035145cellular_componentexon-exon junction complex
T0003723molecular_functionRNA binding
T0003729molecular_functionmRNA binding
T0006397biological_processmRNA processing
T0035145cellular_componentexon-exon junction complex
X0000166molecular_functionnucleotide binding
X0000184biological_processnuclear-transcribed mRNA catabolic process, nonsense-mediated decay
X0000398biological_processmRNA splicing, via spliceosome
X0003676molecular_functionnucleic acid binding
X0003723molecular_functionRNA binding
X0003724molecular_functionRNA helicase activity
X0003729molecular_functionmRNA binding
X0004386molecular_functionhelicase activity
X0005515molecular_functionprotein binding
X0005524molecular_functionATP binding
X0005634cellular_componentnucleus
X0005654cellular_componentnucleoplasm
X0005681cellular_componentspliceosomal complex
X0005730cellular_componentnucleolus
X0005737cellular_componentcytoplasm
X0005829cellular_componentcytosol
X0006364biological_processrRNA processing
X0006397biological_processmRNA processing
X0006406biological_processmRNA export from nucleus
X0006417biological_processregulation of translation
X0008143molecular_functionpoly(A) binding
X0008306biological_processassociative learning
X0008380biological_processRNA splicing
X0010629biological_processnegative regulation of gene expression
X0016020cellular_componentmembrane
X0016071biological_processmRNA metabolic process
X0016607cellular_componentnuclear speck
X0016787molecular_functionhydrolase activity
X0016887molecular_functionATP hydrolysis activity
X0017148biological_processnegative regulation of translation
X0030425cellular_componentdendrite
X0035145cellular_componentexon-exon junction complex
X0035368molecular_functionselenocysteine insertion sequence binding
X0035613molecular_functionRNA stem-loop binding
X0035640biological_processexploration behavior
X0043021molecular_functionribonucleoprotein complex binding
X0043025cellular_componentneuronal cell body
X0045727biological_processpositive regulation of translation
X0048701biological_processembryonic cranial skeleton morphogenesis
X0051028biological_processmRNA transport
X0071006cellular_componentU2-type catalytic step 1 spliceosome
X0071013cellular_componentcatalytic step 2 spliceosome
X0072715biological_processcellular response to selenite ion
X0090394biological_processnegative regulation of excitatory postsynaptic potential
X0098794cellular_componentpostsynapse
X0098978cellular_componentglutamatergic synapse
X0099578biological_processregulation of translation at postsynapse, modulating synaptic transmission
X1904570biological_processnegative regulation of selenocysteine incorporation
X1990416biological_processcellular response to brain-derived neurotrophic factor stimulus
X1990904cellular_componentribonucleoprotein complex
X2000622biological_processregulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay
Y0000184biological_processnuclear-transcribed mRNA catabolic process, nonsense-mediated decay
Y0000381biological_processregulation of alternative mRNA splicing, via spliceosome
Y0000398biological_processmRNA splicing, via spliceosome
Y0003723molecular_functionRNA binding
Y0005515molecular_functionprotein binding
Y0005634cellular_componentnucleus
Y0005654cellular_componentnucleoplasm
Y0005681cellular_componentspliceosomal complex
Y0005737cellular_componentcytoplasm
Y0005829cellular_componentcytosol
Y0006397biological_processmRNA processing
Y0006406biological_processmRNA export from nucleus
Y0006417biological_processregulation of translation
Y0008380biological_processRNA splicing
Y0016071biological_processmRNA metabolic process
Y0016607cellular_componentnuclear speck
Y0035145cellular_componentexon-exon junction complex
Y0050684biological_processregulation of mRNA processing
Y0051028biological_processmRNA transport
Y0071013cellular_componentcatalytic step 2 spliceosome
Y1990501cellular_componentexon-exon junction subcomplex mago-y14
Y2000622biological_processregulation of nuclear-transcribed mRNA catabolic process, nonsense-mediated decay
Z0003676molecular_functionnucleic acid binding
Z0003723molecular_functionRNA binding
Z0003729molecular_functionmRNA binding
Z0005634cellular_componentnucleus
Z0005737cellular_componentcytoplasm
Z0006396biological_processRNA processing
Functional Information from PDB Data
site_idAC1
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG A 1412
ChainResidue
ATHR89
AASP187
AGLU188
AANP1413

site_idAC2
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ANP A 1413
ChainResidue
ASER84
AGLY85
ATHR86
AGLY87
ALYS88
ATHR89
AALA90
AGLU188
AGLY340
AASP342
AARG367
AARG370
ATYR371
AMG1412
APHE40
APHE58
ALYS60
APRO61
AGLN65

site_idAC3
Number of Residues4
DetailsBINDING SITE FOR RESIDUE MG X 1412
ChainResidue
XTHR89
XASP187
XGLU188
XANP1413

site_idAC4
Number of Residues19
DetailsBINDING SITE FOR RESIDUE ANP X 1413
ChainResidue
XPHE40
XPHE58
XLYS60
XPRO61
XGLN65
XSER84
XGLY85
XTHR86
XGLY87
XLYS88
XTHR89
XALA90
XGLU188
XGLY340
XASP342
XARG367
XARG370
XTYR371
XMG1412

Functional Information from PROSITE/UniProt
site_idPS00039
Number of Residues9
DetailsDEAD_ATP_HELICASE DEAD-box subfamily ATP-dependent helicases signature. VLDEADEmL
ChainResidueDetails
AVAL185-LEU193

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues340
DetailsDomain: {"description":"Helicase ATP-binding","evidences":[{"source":"PROSITE-ProRule","id":"PRU00541","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues322
DetailsDomain: {"description":"Helicase C-terminal","evidences":[{"source":"PROSITE-ProRule","id":"PRU00542","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues56
DetailsMotif: {"description":"Q motif"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues6
DetailsMotif: {"description":"DEAD box","evidences":[{"evidenceCode":"ECO:0000305"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues24
DetailsBinding site: {"evidences":[{"source":"PubMed","id":"16923391","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"16931718","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19033377","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20479275","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"2HYI","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2J0Q","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2J0S","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"2XB2","evidenceCode":"ECO:0007744"},{"source":"PDB","id":"3EX7","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P60842","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues2
DetailsModified residue: {"description":"Phosphothreonine","evidences":[{"source":"PubMed","id":"18669648","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"20068231","evidenceCode":"ECO:0007744"},{"source":"PubMed","id":"23186163","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI8
Number of Residues2
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"UniProtKB","id":"P60843","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI9
Number of Residues4
DetailsModified residue: {"description":"N6-acetyllysine","evidences":[{"source":"PubMed","id":"19608861","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI10
Number of Residues4
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"UniProtKB","id":"P60842","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI11
Number of Residues6
DetailsCross-link: {"description":"Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)","evidences":[{"source":"PubMed","id":"28112733","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI12
Number of Residues156
DetailsDomain: {"description":"RRM","evidences":[{"source":"PROSITE-ProRule","id":"PRU00176","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI13
Number of Residues1
DetailsModified residue: {"description":"Omega-N-methylarginine","evidences":[{"source":"PubMed","id":"24129315","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

246333

PDB entries from 2025-12-17

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