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CIRBP_PONAB
ID   CIRBP_PONAB             Reviewed;         172 AA.
AC   Q5RF83;
DT   13-SEP-2005, integrated into UniProtKB/Swiss-Prot.
DT   21-DEC-2004, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=Cold-inducible RNA-binding protein;
DE   AltName: Full=Glycine-rich RNA-binding protein CIRP;
GN   Name=CIRBP; Synonyms=CIRP;
OS   Pongo abelii (Sumatran orangutan) (Pongo pygmaeus abelii).
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae;
OC   Pongo.
OX   NCBI_TaxID=9601;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC   TISSUE=Kidney;
RG   The German cDNA consortium;
RL   Submitted (NOV-2004) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Cold-inducible mRNA binding protein that plays a protective
CC       role in the genotoxic stress response by stabilizing transcripts of
CC       genes involved in cell survival. Acts as a translational activator.
CC       Seems to play an essential role in cold-induced suppression of cell
CC       proliferation. Binds specifically to the 3'-untranslated regions (3'-
CC       UTRs) of stress-responsive transcripts RPA2 and TXN. Acts as a
CC       translational repressor. Promotes assembly of stress granules (SGs),
CC       when overexpressed (By similarity). {ECO:0000250}.
CC   -!- SUBUNIT: Interacts with EIF4G1. Associates with ribosomes (By
CC       similarity). {ECO:0000250}.
CC   -!- SUBCELLULAR LOCATION: Nucleus, nucleoplasm. Cytoplasm.
CC       Note=Translocates from the nucleus to the cytoplasm after exposure to
CC       UV radiation. Translocates from the nucleus to the cytoplasm into
CC       stress granules upon various cytoplasmic stresses, such as osmotic and
CC       heat shocks. Its recruitment into stress granules occurs in the absence
CC       of TIAR proteins (By similarity). {ECO:0000250}.
CC   -!- DOMAIN: Both the RRM domain and the arginine, glycine (RGG) rich domain
CC       are necessary for binding to the TXN 3'-untranslated region. Both the
CC       RRM domain and the arginine, glycine (RGG) rich domain (RGG repeats)
CC       are necessary for optimal recruitment into SGs upon cellular stress.
CC       The C-terminal domain containing RGG repeats is necessary for
CC       translational repression (By similarity). {ECO:0000250}.
CC   -!- PTM: Methylated on arginine residues. Methylation of the RGG motifs is
CC       a prerequisite for recruitment into SGs (By similarity). {ECO:0000250}.
CC   -!- PTM: Phosphorylated by CK2, GSK3A and GSK3B. Phosphorylation by GSK3B
CC       increases RNA-binding activity to the TXN 3'-UTR transcript upon
CC       exposure to UV radiation (By similarity). {ECO:0000250}.
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DR   EMBL; CR857278; CAH89574.1; -; mRNA.
DR   RefSeq; NP_001124692.1; NM_001131220.1.
DR   AlphaFoldDB; Q5RF83; -.
DR   SMR; Q5RF83; -.
DR   STRING; 9601.ENSPPYP00000010451; -.
DR   GeneID; 100171539; -.
DR   KEGG; pon:100171539; -.
DR   CTD; 1153; -.
DR   eggNOG; KOG0118; Eukaryota.
DR   InParanoid; Q5RF83; -.
DR   OrthoDB; 1172927at2759; -.
DR   Proteomes; UP000001595; Unplaced.
DR   GO; GO:0005737; C:cytoplasm; ISS:UniProtKB.
DR   GO; GO:0010494; C:cytoplasmic stress granule; ISS:UniProtKB.
DR   GO; GO:0005654; C:nucleoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005634; C:nucleus; ISS:UniProtKB.
DR   GO; GO:0003730; F:mRNA 3'-UTR binding; ISS:UniProtKB.
DR   GO; GO:0070181; F:small ribosomal subunit rRNA binding; ISS:UniProtKB.
DR   GO; GO:0030371; F:translation repressor activity; ISS:UniProtKB.
DR   GO; GO:0048255; P:mRNA stabilization; ISS:UniProtKB.
DR   GO; GO:0045727; P:positive regulation of translation; ISS:UniProtKB.
DR   GO; GO:0009411; P:response to UV; ISS:UniProtKB.
DR   GO; GO:0034063; P:stress granule assembly; ISS:UniProtKB.
DR   CDD; cd12449; RRM_CIRBP_RBM3; 1.
DR   Gene3D; 3.30.70.330; -; 1.
DR   InterPro; IPR012677; Nucleotide-bd_a/b_plait_sf.
DR   InterPro; IPR035979; RBD_domain_sf.
DR   InterPro; IPR034278; RBM3/CIRBP_RRM.
DR   InterPro; IPR000504; RRM_dom.
DR   InterPro; IPR003954; RRM_dom_euk.
DR   Pfam; PF00076; RRM_1; 1.
DR   SMART; SM00360; RRM; 1.
DR   SMART; SM00361; RRM_1; 1.
DR   SUPFAM; SSF54928; SSF54928; 1.
DR   PROSITE; PS50102; RRM; 1.
PE   2: Evidence at transcript level;
KW   Cytoplasm; Nucleus; Phosphoprotein; Reference proteome; RNA-binding;
KW   Stress response.
FT   CHAIN           1..172
FT                   /note="Cold-inducible RNA-binding protein"
FT                   /id="PRO_0000081505"
FT   DOMAIN          6..84
FT                   /note="RRM"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU00176"
FT   REGION          69..172
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        137..172
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   MOD_RES         130
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
FT   MOD_RES         138
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
FT   MOD_RES         146
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
FT   MOD_RES         156
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
FT   MOD_RES         159
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
FT   MOD_RES         163
FT                   /note="Phosphoserine"
FT                   /evidence="ECO:0000250|UniProtKB:Q14011"
SQ   SEQUENCE   172 AA;  18648 MW;  003FABF28F5405D0 CRC64;
     MASDEGKLFV GGLSFDTNEQ SLEQVFSKYG QISEVVVVKD RETQRSRGFG FVTFENIDDA
     KDAMMAMNGK SVDGRQIRVD QAGKSSDNRS RGYRGGSAGG RGFFRGGRGR GRGFSRGGGD
     RGYGGNRFES RSGGYGGSRD YYSSRSQSGG YSDRSSGGSY RDSYDSYATH NE
 
 
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