ID B8CB59_THAPS Unreviewed; 669 AA.
AC B8CB59;
DT 03-MAR-2009, integrated into UniProtKB/TrEMBL.
DT 03-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 83.
DE RecName: Full=Eukaryotic translation initiation factor 3 subunit B {ECO:0000256|HAMAP-Rule:MF_03001, ECO:0000256|PIRNR:PIRNR036424};
DE Short=eIF3b {ECO:0000256|HAMAP-Rule:MF_03001, ECO:0000256|PIRNR:PIRNR036424};
DE AltName: Full=Eukaryotic translation initiation factor 3 subunit 9 {ECO:0000256|HAMAP-Rule:MF_03001};
GN ORFNames=THAPSDRAFT_37187 {ECO:0000313|EMBL:EED89071.1};
OS Thalassiosira pseudonana (Marine diatom) (Cyclotella nana).
OC Eukaryota; Sar; Stramenopiles; Ochrophyta; Bacillariophyta;
OC Coscinodiscophyceae; Thalassiosirophycidae; Thalassiosirales;
OC Thalassiosiraceae; Thalassiosira.
OX NCBI_TaxID=35128 {ECO:0000313|EMBL:EED89071.1, ECO:0000313|Proteomes:UP000001449};
RN [1] {ECO:0000313|EMBL:EED89071.1, ECO:0000313|Proteomes:UP000001449}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCMP1335 {ECO:0000313|EMBL:EED89071.1};
RX PubMed=15459382; DOI=10.1126/science.1101156;
RA Armbrust E.V., Berges J.A., Bowler C., Green B.R., Martinez D.,
RA Putnam N.H., Zhou S., Allen A.E., Apt K.E., Bechner M., Brzezinski M.A.,
RA Chaal B.K., Chiovitti A., Davis A.K., Demarest M.S., Detter J.C.,
RA Glavina T., Goodstein D., Hadi M.Z., Hellsten U., Hildebrand M.,
RA Jenkins B.D., Jurka J., Kapitonov V.V., Kroger N., Lau W.W., Lane T.W.,
RA Larimer F.W., Lippmeier J.C., Lucas S., Medina M., Montsant A., Obornik M.,
RA Parker M.S., Palenik B., Pazour G.J., Richardson P.M., Rynearson T.A.,
RA Saito M.A., Schwartz D.C., Thamatrakoln K., Valentin K., Vardi A.,
RA Wilkerson F.P., Rokhsar D.S.;
RT "The genome of the diatom Thalassiosira pseudonana: ecology, evolution, and
RT metabolism.";
RL Science 306:79-86(2004).
RN [2] {ECO:0000313|EMBL:EED89071.1, ECO:0000313|Proteomes:UP000001449}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=CCMP1335 {ECO:0000313|EMBL:EED89071.1};
RX PubMed=18923393; DOI=10.1038/nature07410;
RA Bowler C., Allen A.E., Badger J.H., Grimwood J., Jabbari K., Kuo A.,
RA Maheswari U., Martens C., Maumus F., Otillar R.P., Rayko E., Salamov A.,
RA Vandepoele K., Beszteri B., Gruber A., Heijde M., Katinka M., Mock T.,
RA Valentin K., Verret F., Berges J.A., Brownlee C., Cadoret J.P.,
RA Chiovitti A., Choi C.J., Coesel S., De Martino A., Detter J.C., Durkin C.,
RA Falciatore A., Fournet J., Haruta M., Huysman M.J., Jenkins B.D.,
RA Jiroutova K., Jorgensen R.E., Joubert Y., Kaplan A., Kroger N., Kroth P.G.,
RA La Roche J., Lindquist E., Lommer M., Martin-Jezequel V., Lopez P.J.,
RA Lucas S., Mangogna M., McGinnis K., Medlin L.K., Montsant A.,
RA Oudot-Le Secq M.P., Napoli C., Obornik M., Parker M.S., Petit J.L.,
RA Porcel B.M., Poulsen N., Robison M., Rychlewski L., Rynearson T.A.,
RA Schmutz J., Shapiro H., Siaut M., Stanley M., Sussman M.R., Taylor A.R.,
RA Vardi A., von Dassow P., Vyverman W., Willis A., Wyrwicz L.S.,
RA Rokhsar D.S., Weissenbach J., Armbrust E.V., Green B.R., Van de Peer Y.,
RA Grigoriev I.V.;
RT "The Phaeodactylum genome reveals the evolutionary history of diatom
RT genomes.";
RL Nature 456:239-244(2008).
CC -!- FUNCTION: Component of the eukaryotic translation initiation factor 3
CC (eIF-3) complex, which is involved in protein synthesis and, together
CC with other initiation factors, stimulates binding of mRNA and
CC methionyl-tRNAi to the 40S ribosome. {ECO:0000256|PIRNR:PIRNR036424}.
CC -!- FUNCTION: RNA-binding component of the eukaryotic translation
CC initiation factor 3 (eIF-3) complex, which is involved in protein
CC synthesis of a specialized repertoire of mRNAs and, together with other
CC initiation factors, stimulates binding of mRNA and methionyl-tRNAi to
CC the 40S ribosome. The eIF-3 complex specifically targets and initiates
CC translation of a subset of mRNAs involved in cell proliferation.
CC {ECO:0000256|HAMAP-Rule:MF_03001}.
CC -!- SUBUNIT: Component of the eukaryotic translation initiation factor 3
CC (eIF-3) complex. {ECO:0000256|HAMAP-Rule:MF_03001,
CC ECO:0000256|PIRNR:PIRNR036424}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03001,
CC ECO:0000256|PIRNR:PIRNR036424}.
CC -!- SIMILARITY: Belongs to the eIF-3 subunit B family. {ECO:0000256|HAMAP-
CC Rule:MF_03001, ECO:0000256|PIRNR:PIRNR036424}.
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DR EMBL; CM000648; EED89071.1; -; Genomic_DNA.
DR RefSeq; XP_002293335.1; XM_002293299.1.
DR AlphaFoldDB; B8CB59; -.
DR STRING; 35128.B8CB59; -.
DR PaxDb; 35128-Thaps37187; -.
DR EnsemblProtists; EED89071; EED89071; THAPSDRAFT_37187.
DR GeneID; 7445725; -.
DR KEGG; tps:THAPSDRAFT_37187; -.
DR eggNOG; KOG2314; Eukaryota.
DR HOGENOM; CLU_011152_1_0_1; -.
DR InParanoid; B8CB59; -.
DR OMA; LWGGPQF; -.
DR Proteomes; UP000001449; Chromosome 13.
DR GO; GO:0016282; C:eukaryotic 43S preinitiation complex; IEA:UniProtKB-UniRule.
DR GO; GO:0033290; C:eukaryotic 48S preinitiation complex; IEA:UniProtKB-UniRule.
DR GO; GO:0005852; C:eukaryotic translation initiation factor 3 complex; IBA:GO_Central.
DR GO; GO:0003723; F:RNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0003743; F:translation initiation factor activity; IEA:UniProtKB-UniRule.
DR GO; GO:0031369; F:translation initiation factor binding; IEA:InterPro.
DR GO; GO:0001732; P:formation of cytoplasmic translation initiation complex; IEA:UniProtKB-UniRule.
DR GO; GO:0006413; P:translational initiation; IBA:GO_Central.
DR CDD; cd12278; RRM_eIF3B; 1.
DR Gene3D; 3.30.70.330; -; 1.
DR Gene3D; 2.130.10.10; YVTN repeat-like/Quinoprotein amine dehydrogenase; 2.
DR HAMAP; MF_03001; eIF3b; 1.
DR InterPro; IPR011400; EIF3B.
DR InterPro; IPR034363; eIF3B_RRM.
DR InterPro; IPR012677; Nucleotide-bd_a/b_plait_sf.
DR InterPro; IPR035979; RBD_domain_sf.
DR InterPro; IPR000504; RRM_dom.
DR InterPro; IPR013979; TIF_beta_prop-like.
DR InterPro; IPR015943; WD40/YVTN_repeat-like_dom_sf.
DR PANTHER; PTHR14068; EUKARYOTIC TRANSLATION INITIATION FACTOR 3 EIF3 -RELATED; 1.
DR PANTHER; PTHR14068:SF0; EUKARYOTIC TRANSLATION INITIATION FACTOR 3 SUBUNIT B; 1.
DR Pfam; PF08662; eIF2A; 1.
DR Pfam; PF00076; RRM_1; 1.
DR PIRSF; PIRSF036424; eIF3b; 1.
DR SUPFAM; SSF82171; DPP6 N-terminal domain-like; 1.
DR SUPFAM; SSF54928; RNA-binding domain, RBD; 1.
DR PROSITE; PS50102; RRM; 1.
PE 3: Inferred from homology;
KW Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_03001, ECO:0000256|PIRNR:PIRNR036424};
KW Initiation factor {ECO:0000256|HAMAP-Rule:MF_03001,
KW ECO:0000256|PIRNR:PIRNR036424};
KW Protein biosynthesis {ECO:0000256|HAMAP-Rule:MF_03001,
KW ECO:0000256|PIRNR:PIRNR036424};
KW Reference proteome {ECO:0000313|Proteomes:UP000001449};
KW RNA-binding {ECO:0000256|ARBA:ARBA00022884, ECO:0000256|HAMAP-
KW Rule:MF_03001}.
FT DOMAIN 7..101
FT /note="RRM"
FT /evidence="ECO:0000259|PROSITE:PS50102"
FT COILED 570..597
FT /evidence="ECO:0000256|SAM:Coils"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:EED89071.1"
SQ SEQUENCE 669 AA; 76894 MW; 7CF8F6F54F07A4E0 CRC64;
LNTSYDRCVI LTNLPKVNEA KYEKLSKVVL KLVSRIGNLA SYEGSDEFTG FYMPFDKEGD
ATKGCAFIEY ESASDAKKAM EVLDDYKFDK NHSLKVTLHE RAAELERVEE GEFTQPEPEP
FKERANTMAW LEDSCQRDQF SIRHGNETEV LWCDGKGDPV VDYDGSREKK AGINWCDYYT
QWSPKGSYFA TLVPNKGVIL WGGESFEKLG RFPAPGVDFV SFSPQENYIM TNNNNRNDPN
AIKVFSIQSG KLLRAFPLYP KDFLEESANA ENVPPPPFQW SFDDKYLARM GKDLISVFET
STMKLLDKRS LACDGIHEFQ FSPKANIIAY WAPEHKNQPA HVDLIEIPSR KKLRQKNLFN
VSNCQMVWQE GGEYLGVKVT RHTKSKKTLY NNLELFRVNE PGIPVEMLDV KDAVMAFQWE
PKGSRFAIIH AENPTSTKVN VTFYDITEKQ IISEVNKVET LEGKQCNCIF WSPAGRTIIL
AALGDSASGT LEFYDVENKS LTVKEHYRAN QVLWDPSGRT VATTVSQPIG GGHFKFAMDN
GYILWTFQGK QLSQASFETF YQLQWRPRES LSTKEEVAEI AKNIKKYEKQ FNAFDEAKKK
KLRLEETKGK RRSRSEFRNT MARLKEWRNR QKQERMELNG GYDSEDENNY TTKEVVIETV
LNTKEELVY
//
