AIMP2_RAT
ID AIMP2_RAT Reviewed; 320 AA.
AC Q32PX2;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 06-DEC-2005, sequence version 1.
DT 03-AUG-2022, entry version 105.
DE RecName: Full=Aminoacyl tRNA synthase complex-interacting multifunctional protein 2;
DE AltName: Full=Multisynthase complex auxiliary component p38;
DE AltName: Full=Protein JTV-1;
GN Name=Aimp2; Synonyms=Jtv1;
OS Rattus norvegicus (Rat).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Euarchontoglires; Glires; Rodentia; Myomorpha; Muroidea; Muridae;
OC Murinae; Rattus.
OX NCBI_TaxID=10116;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA].
RC TISSUE=Thymus;
RX PubMed=15489334; DOI=10.1101/gr.2596504;
RG The MGC Project Team;
RT "The status, quality, and expansion of the NIH full-length cDNA project:
RT the Mammalian Gene Collection (MGC).";
RL Genome Res. 14:2121-2127(2004).
CC -!- FUNCTION: Required for assembly and stability of the aminoacyl-tRNA
CC synthase complex. Mediates ubiquitination and degradation of FUBP1, a
CC transcriptional activator of MYC, leading to MYC down-regulation which
CC is required for aveolar type II cell differentiation. Blocks MDM2-
CC mediated ubiquitination and degradation of p53/TP53. Functions as a
CC proapoptotic factor. {ECO:0000250|UniProtKB:Q13155}.
CC -!- SUBUNIT: Part of the multisynthetase complex (MSC), a multisubunit
CC complex that groups tRNA ligases for Arg (RARS1), Asp (DARS1), Gln
CC (QARS1), Ile (IARS1), Leu (LARS1), Lys (KARS1), Met (MARS1) the
CC bifunctional ligase for Glu and Pro (EPRS1) and the auxiliary subunits
CC AIMP1/p43, AIMP2/p38 and EEF1E1/p18. Interacts (via N-terminus) with
CC KARS1. Interacts with EPRS1. Forms a linear complex that contains
CC MARS1, EEF1E1, EPRS1 and AIMP2 that is at the core of the multisubunit
CC complex. Binds FUBP1 (via C-terminus). Interacts in both its
CC unphosphorylated and phosphorylated forms with p53/TP53 (via N-
CC terminus) in the nucleus following UV irradiation. Interacts (via N-
CC terminus) with PRKN/parkin (via first RING-type domain). Interacts with
CC TARS3. {ECO:0000250|UniProtKB:Q13155}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm, cytosol
CC {ECO:0000250|UniProtKB:Q8R010}. Nucleus {ECO:0000250|UniProtKB:Q8R010}.
CC Note=Following DNA damage, dissociates from the aminoacyl-tRNA synthase
CC complex and translocates from the cytoplasm to the nucleus.
CC {ECO:0000250|UniProtKB:Q8R010}.
CC -!- PTM: Phosphorylated on serine residues in response to UV irradiation.
CC {ECO:0000250}.
CC -!- PTM: Ubiquitinated by PRKN, leading to its degradation by the
CC proteasome. {ECO:0000250}.
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DR EMBL; BC107947; AAI07948.1; -; mRNA.
DR RefSeq; NP_001032425.1; NM_001037348.1.
DR AlphaFoldDB; Q32PX2; -.
DR SMR; Q32PX2; -.
DR BioGRID; 252567; 1.
DR IntAct; Q32PX2; 1.
DR STRING; 10116.ENSRNOP00000001379; -.
DR iPTMnet; Q32PX2; -.
DR PhosphoSitePlus; Q32PX2; -.
DR jPOST; Q32PX2; -.
DR PaxDb; Q32PX2; -.
DR PRIDE; Q32PX2; -.
DR GeneID; 288480; -.
DR KEGG; rno:288480; -.
DR CTD; 7965; -.
DR RGD; 1560787; Aimp2.
DR VEuPathDB; HostDB:ENSRNOG00000001044; -.
DR eggNOG; ENOG502QUNJ; Eukaryota.
DR HOGENOM; CLU_076114_0_0_1; -.
DR InParanoid; Q32PX2; -.
DR OMA; LCQHYRV; -.
DR OrthoDB; 1382507at2759; -.
DR PhylomeDB; Q32PX2; -.
DR TreeFam; TF326322; -.
DR PRO; PR:Q32PX2; -.
DR Proteomes; UP000002494; Chromosome 12.
DR Bgee; ENSRNOG00000001044; Expressed in skeletal muscle tissue and 20 other tissues.
DR ExpressionAtlas; Q32PX2; baseline and differential.
DR Genevisible; Q32PX2; RN.
DR GO; GO:0017101; C:aminoacyl-tRNA synthetase multienzyme complex; IDA:CAFA.
DR GO; GO:0005829; C:cytosol; ISO:RGD.
DR GO; GO:0005634; C:nucleus; ISO:RGD.
DR GO; GO:0060090; F:molecular adaptor activity; ISO:RGD.
DR GO; GO:0006915; P:apoptotic process; IEA:UniProtKB-KW.
DR GO; GO:0008285; P:negative regulation of cell population proliferation; ISO:RGD.
DR GO; GO:1903632; P:positive regulation of aminoacyl-tRNA ligase activity; ISO:RGD.
DR GO; GO:1901216; P:positive regulation of neuron death; IDA:MGI.
DR GO; GO:0031398; P:positive regulation of protein ubiquitination; ISO:RGD.
DR GO; GO:0016567; P:protein ubiquitination; IEA:Ensembl.
DR GO; GO:0065003; P:protein-containing complex assembly; ISO:RGD.
DR GO; GO:0006412; P:translation; IEA:UniProtKB-KW.
DR GO; GO:0060510; P:type II pneumocyte differentiation; ISO:RGD.
DR InterPro; IPR042360; AIMP2.
DR InterPro; IPR031889; AIMP2_LysRS-bd.
DR InterPro; IPR041503; AIMP2_thioredoxin.
DR InterPro; IPR036282; Glutathione-S-Trfase_C_sf.
DR InterPro; IPR004046; GST_C.
DR PANTHER; PTHR13438; PTHR13438; 1.
DR Pfam; PF16780; AIMP2_LysRS_bd; 1.
DR Pfam; PF00043; GST_C; 1.
DR Pfam; PF18569; Thioredoxin_16; 1.
DR SUPFAM; SSF47616; SSF47616; 1.
PE 2: Evidence at transcript level;
KW Apoptosis; Cytoplasm; Developmental protein; Differentiation; Nucleus;
KW Phosphoprotein; Protein biosynthesis; Reference proteome; Ubl conjugation.
FT CHAIN 1..320
FT /note="Aminoacyl tRNA synthase complex-interacting
FT multifunctional protein 2"
FT /id="PRO_0000316842"
FT DOMAIN 220..317
FT /note="GST C-terminal"
FT REGION 31..51
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 82..162
FT /note="Interaction with PRKN"
FT /evidence="ECO:0000250"
FT REGION 162..225
FT /note="Interaction with TP53"
FT /evidence="ECO:0000250"
FT MOD_RES 36
FT /note="Phosphoserine"
FT /evidence="ECO:0000250|UniProtKB:Q8R010"
SQ SEQUENCE 320 AA; 35443 MW; C21D0BB7ACDF3141 CRC64;
MPMYQVKPYH GGSAPLRVEL PTCMYRLPNV HSKTTSPATD AGHVQEPSEP SLRALESRQD
DILKRLYELK AAVDGLSKMI HTPDADLDVT NILQADEPTT LTTNALDLNS VLGKDYGALK
DIVINANPAS PPLSLLVLHR LLCERYRVLS TVHTHSSVKN VPENLLKCFG EQARKQSRHE
YQLGFTLIWK NVPKTQMKFS VQTMCPIEGE GNIARFLFSL FGQKHNAVHL TLIDSWVDIA
MFQLREGSSK EKAAVFRSMN SALGKSPWLV GNELTVADVV LWSVLQQTGG SSGAAPTNVQ
RWLKSCENLA PFSTALQLLK
