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U snRNA export complex
Structure:
- consists of:
- RNUXA/PHAX, NCBP1, NCBP2, RAN, XPO1 & m7G-capped RNA
General
molecular complex
Properties
SUBUNITS: RNA U small nuclear RNA export adapter protein
COMPARTMENT: cytoplasm
cell nucleus
MOTIF: nuclear translocation signal {81-84}
nuclear export signal {130-139}
nuclear translocation signal {198-201}
binding site
SITE: 228-328
FOR-BINDING-OF: ribonucleic acid
binding site
SITE: 279-287
FOR-BINDING-OF: ribonucleic acid
80 kD nuclear cap binding protein
COMPARTMENT: cell nucleus
MOTIF: nuclear translocation signal {3-20}
Thr phosphorylation site {T21}
Ser phosphorylation site {S22}
MIF4G {28-240}
coiled coil {643-713}
MOTIF: Ser phosphorylation site {S674}
nuclear cap binding protein subunit 2
COMPARTMENT: cell nucleus
MOTIF: Ser phosphorylation site {S13}
Ser phosphorylation site {S18}
RNP motif
NAME: RNP motif
SITE: 40-118
FOR-BINDING-OF: ribonucleic acid
MOTIF: ribonucleoprotein-1 motif
NAME: ribonucleoprotein-1 motif
FOR-BINDING-OF: ribonucleic acid
MOTIF: ribonucleoprotein-1 motif
ribonucleoprotein-2 motif
ribonucleoprotein-2 motif
FOR-BINDING-OF: ribonucleic acid
MOTIF: ribonucleoprotein-1 motif
ribonucleoprotein-2 motif
ran proto-oncogene protein
COMPARTMENT: cytoplasm
cell nucleus
MOTIF: acetylation site
SITE: N-TERMINUS
EFFECTOR-BOUND: acetyl
GTP-binding site
SITE: 17-24
GTP-binding site
SITE: 65-69
GTP-binding site
SITE: 122-125
Tyr phosphorylation site {Y147}
Tyr phosphorylation site {Y155}
exportin 1
COMPARTMENT: cytoplasm
cell nucleus
MOTIF: Necessary for HTLV-1 Rex-mediated mRNA export {1-679}
MOTIF: Importin N-terminal {46-112}
HEAT repeat {217-240}
HEAT repeat {241-277}
domain {327-450}
HEAT repeat {354-472}
Ser phosphorylation site {S391}
Ser phosphorylation site {S397}
RANBP3 interaction {411-481}
domain {411-414}
HEAT repeat {515-553}
HEAT repeat {560-597}
HEAT repeat {602-639}
HEAT repeat {775-813}
HIV-1 Rev interaction {800-820}
HEAT repeat {885-916}
HEAT repeat {917-954}
HEAT repeat {1002-1039}
MOTIF: Ser phosphorylation site {S1031}
ribonucleic acid
References
UniProt :accession Q9H814
Components
80 kD nuclear cap binding protein (NCBP 80 kD subunit, nuclear cap-binding protein subunit 1, CBP80, NCBP1, NCBP)
exportin-1; exp1; chromosome region maintenance 1 protein homolog (XPO1, CRM1)
GTP-binding nuclear protein Ran; GTPase Ran; Ras-related nuclear protein; Ras-like protein TC4; androgen receptor-associated protein 24; spi1 protein (RAN, ARA24, OK/SW-cl81)
nuclear cap binding protein subunit 2 (20 kD nuclear cap binding protein, NCBP 20 kD subunit, CBP20, NCBP interacting protein 1, NIP1)
ribonucleic acid (RNA)
RNA U small nuclear RNA export adapter protein (phosphorylated adapter RNA export protein, RNUXA, PHAX)