SGID Silkworm Genome Informatics Database
Gene
KWMTBOMO16335
Pre Gene Modal
BGIBMGA013784
Annotation
uncharacterized_protein_LOC767623_[Bombyx_mori]
Full name
Protein IMPACT-B       + More
Protein IMPACT      
Alternative Name
Imprinted and ancient gene protein homolog B
Imprinted and ancient gene protein homolog
Imprinted and ancient gene protein
Ximpact
Location in the cell
Nuclear   Reliability : 2.59
 

Sequence

CDS
ATGGAAGTCGACAACTTATCAAGACAGGTTGAAGAAATTGAAGCTTTAAAATCTATTTACACAGAAGAATTGACTATAGATAGTGAAATTACCAGGTCTTATACTATTAGAATTGAAGAAAATAAGAAAGAAGTGCTTCTTTACGTGACATTACCAGAAGATTACCCGTCGAGTTCTCCACCGAAATTCGAATTGTCTGCACCGTGGATGGACCGACAAACCAAAACGAATCTTCACAAAACCTTGCACGAAATATACTTGGATAACGTCGGTGAAACTGTGATATTTCAATGGGTCGAGATGATAAGGGAAGTGTTACAAACCGTATGCAAAGTAGAAAAAAAAATTGAAGTCACGGAACCTAAAGTCGACAGTTTGGATCTCACTACGATAGAAATAAACTGCCCTGAAATTACACATGGTGAAATCATAGCAGACAGGAAGAGCATATTCCAAGGACATGCAGCTGAAGTACACAGTATAGATGATGTAAAAGCTGTACTAAATAAATTAAAACAGAACAGAAAGATCTTAAATGCTACACATAATATGTATGCATATAGAATAGAAAGAAAAACTGCCAAAGGTACGAATGTACTTCAAGACTGTGATGATGACGGGGAAGCTCACGCCGGAGGTAGAATGTTGCATCTACTGCAAGTTTTGAATCAGAAGAACACACTTGTTGTTGTGTCGAGATGGTATGGAGGAGTACAATTAGGGCCGGACAGATTCCGTCACATAAACAATGCAAGCCGACAAGTGATTCAGCAAGCTGGACTATTAAAGAAATGA
Protein
MEVDNLSRQVEEIEALKSIYTEELTIDSEITRSYTIRIEENKKEVLLYVTLPEDYPSSSPPKFELSAPWMDRQTKTNLHKTLHEIYLDNVGETVIFQWVEMIREVLQTVCKVEKKIEVTEPKVDSLDLTTIEINCPEITHGEIIADRKSIFQGHAAEVHSIDDVKAVLNKLKQNRKILNATHNMYAYRIERKTAKGTNVLQDCDDDGEAHAGGRMLHLLQVLNQKNTLVVVSRWYGGVQLGPDRFRHINNASRQVIQQAGLLKK

Summary

Description
Translational regulator that ensures constant high levels of translation upon a variety of stress conditions, such as amino acid starvation, UV-C irradiation, proteasome inhibitor treatment and glucose deprivation. Plays a role as a negative regulator of the EIF2AK4/GCN2 kinase activity; impairs GCN1-mediated EIF2AK4/GCN2 activation, and hence EIF2AK4/GCN2-mediated eIF-2-alpha phosphorylation and subsequent down-regulation of protein synthesis. Plays a role in differentiation of neuronal cells by stimulating neurite outgrowth.
Translational regulator that ensures constant high levels of translation upon a variety of stress conditions, such as amino acid starvation, UV-C irradiation, proteasome inhibitor treatment and glucose deprivation. Plays a role as a negative regulator of the EIF2AK4/GCN2 kinase activity; impairs GCN1-mediated EIF2AK4/GCN2 activation, and hence EIF2AK4/GCN2-mediated eIF-2-alpha phosphorylation and subsequent down-regulation of protein synthesis (PubMed:15937339, PubMed:23447528, PubMed:24333428). May be required to regulate translation in specific neuronal cells under amino acid starvation conditions by preventing GCN2 activation and therefore ATF4 synthesis (PubMed:15937339, PubMed:23447528). Through its inhibitory action on EIF2AK4/GCN2, plays a role in differentiation of neuronal cells by stimulating neurite outgrowth (PubMed:23447528).
Translational regulator that ensures constant high levels of translation upon a variety of stress conditions, such as amino acid starvation, UV-C irradiation, proteasome inhibitor treatment and glucose deprivation. Plays a role as a negative regulator of the EIF2AK4/GCN2 kinase activity; impairs GCN1-mediated EIF2AK4/GCN2 activation, and hence EIF2AK4/GCN2-mediated eIF-2-alpha phosphorylation and subsequent down-regulation of protein synthesis. May be required to regulate translation in specific neuronal cells under amino acid starvation conditions by preventing GCN2 activation and therefore ATF4 synthesis. Through its inhibitory action on EIF2AK4/GCN2, plays a role in differentiation of neuronal cells by stimulating neurite outgrowth.
Subunit
Interacts with GCN1; prevents the interaction of GCN1 with EIF2AK4/GCN2 and inhibits EIF2AK4/GCN2 kinase activity. Interaction with RPL39; this interaction occurs in a GCN1-independent manner. Associates with ribosomes; this interaction occurs in a GCN1-independent manner. Associates with actin; this interaction occurs in a GCN1-independent manner.
Interacts with GCN1; prevents the interaction of GCN1 with EIF2AK4/GCN2 and inhibits EIF2AK4/GCN2 kinase activity (PubMed:15937339, PubMed:22404850). Interaction with RPL39; this interaction occurs in a GCN1-independent manner (PubMed:22404850). Associates with ribosomes; this interaction occurs in a GCN1-independent manner (PubMed:22404850). Associates with actin; this interaction occurs in a GCN1-independent manner (PubMed:22404850).
Miscellaneous
The Impact locus is imprinted. Paternal inherited gene is expressed, while the maternal inherited gene is silenced. In contrast with most imprinted genes, neighboring genes are apparently not imprinted.
In contrast to the mouse or rabbit ortholog, the IMPACT locus is not imprinted in Xenopus.
In contrast to the mouse or rabbit ortholog, the IMPACT locus is not imprinted in human.
Similarity
Belongs to the IMPACT family.
Keywords
Complete proteome   Cytoplasm   Differentiation   Neurogenesis   Reference proteome   Repressor   Stress response   Translation regulation   Actin-binding   Phosphoprotein   Alternative splicing   Polymorphism  
Feature
chain  Protein IMPACT-B
splice variant  In isoform 2.
sequence variant  In dbSNP:rs544203385.
EMBL
BABH01025368    DQ904009    ABI73987.1    NWSH01002936    PCG67258.1    KQ459588    + More
KPI97736.1    KQ461053    KPJ09932.1    GAIX01000084    JAA92476.1    KZ150137    PZC72978.1    RSAL01000025    RVE52167.1    GDQN01010283    JAT80771.1    AGBW02012254    OWR45337.1    AGBW02007882    OWR54449.1    RVE52166.1    ODYU01004197    SOQ43808.1    RSAL01004541    RVE40129.1    NEVH01016331    PNF25509.1    GEBQ01005213    JAT34764.1    NNAY01001603    OXU23457.1    GECZ01001351    JAS68418.1    GECU01032842    JAS74864.1    KK852498    KDR22562.1    GDRN01091016    JAI60350.1    KQ971323    EFA00826.2    LRGB01000642    KZS17280.1    GL732523    EFX89990.1    GDIP01052366    JAM51349.1    GDIP01033702    JAM70013.1    GEZM01068881    JAV66718.1    BC165237    AAI65237.1    BC157649    BC081507    BC152160    JO843766    AEO35383.1    NEDP02003383    OWF48806.1    AMQN01000480    JW875148    AFP07665.1    GFWV01000815    MAA25545.1    HACA01012317    CDW29678.1    AFYH01028777    AFYH01028778    AFYH01028779    AFYH01028780    AFYH01028781    AFYH01028782    AFYH01028783    AFYH01028784    AFYH01028785    AFYH01028786    D87973    AF232228    BC020524    AK138136    HACG01024244    CEK71109.1    AY574213    GANP01002016    JAB82452.1    BT078882    ACO13306.1    KQ430417    KOF64181.1    AB020319    BC099309    BT076005    ACO10429.1    PZQS01000012    PVD21327.1    GBXM01011551    JAH97026.1    AEMK02000045    DQIR01210929    DQIR01257274    HDB66406.1    HDC12752.1    ABJB010692574    ABJB010960445    DS860803    EEC14059.1    CP026254    AWP11244.1    GAMT01005245    GAMS01000982    GAMR01000090    GAMR01000066    GAMQ01005502    GAMP01003743    GAMP01003742    JAB06616.1    JAB22154.1    JAB33842.1    JAB36349.1    JAB49012.1    AAKN02020636    AAKN02020637    GG666464    EEN68502.1    AAMC01131372    AAMC01131373    AAMC01131374    AAMC01131375    AANG04003548    GFPF01009076    MAA20222.1    AQIB01129095    AC007922    ADFV01007067    ADFV01007068    AQIA01032710    JSUE03019320    JU335330    JU335331    JU476283    JV047564    AFE79083.1    AFH33087.1    AFI37635.1    CH471088    EAX01187.1    JP011637    AES00235.1    AAQR03029173    AAQR03029174    AAQR03029175    AAQR03029176    AAQR03029177    AF232229    AB026264    AF208694    AK292533    AC020937    BC034016    BC036074    AMGL01066563    GACK01003237    JAA61797.1    GEFH01005177    JAP63404.1    AHZZ02012425    ABGA01240443    ABGA01240444    NDHI03003366    PNJ81019.1   
Pfam
PF01205   UPF0029        + More
PF05773   RWD
PF00839   Cys_rich_FGFR
Interpro
IPR001498   Impact_N        + More
IPR020568   Ribosomal_S5_D2-typ_fold       
IPR006575   RWD-domain       
IPR023582   Impact       
IPR036956   Impact_N_sf       
IPR016135   UBQ-conjugating_enzyme/RWD       
IPR020569   UPF0029_Impact_CS       
IPR001893   Cys-rich_GLG1_repeat       
IPR017873   Cys-rich_GLG1_repeat_euk       
IPR039728   GLG1       
SUPFAM
SSF54211   SSF54211        + More
SSF54495   SSF54495       
Gene 3D
PDB
6BQI     E-value=3.99256e-27,     Score=300

Ontologies

Topology

Subcellular location
Cytoplasm  
Length:
264
Number of predicted TMHs:
0
Exp number of AAs in TMHs:
0.00156
Exp number, first 60 AAs:
0
Total prob of N-in:
0.06597
outside
1  -  264
 
 

Population Genetic Test Statistics

Pi
270.161143
Theta
168.673411
Tajima's D
1.561494
CLR
0
CSRT
0.798610069496525
Interpretation
Uncertain
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