ID   RUXG_SCHPO              Reviewed;          77 AA.
AC   O74966;
DT   15-JUL-1999, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1998, sequence version 1.
DT   27-MAR-2024, entry version 149.
DE   RecName: Full=Small nuclear ribonucleoprotein G;
DE            Short=snRNP-G;
DE   AltName: Full=Sm protein G;
DE            Short=Sm-G;
DE            Short=SmG;
GN   Name=smg1; ORFNames=SPBC4B4.05;
OS   Schizosaccharomyces pombe (strain 972 / ATCC 24843) (Fission yeast).
OC   Eukaryota; Fungi; Dikarya; Ascomycota; Taphrinomycotina;
OC   Schizosaccharomycetes; Schizosaccharomycetales; Schizosaccharomycetaceae;
OC   Schizosaccharomyces.
OX   NCBI_TaxID=284812;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=972 / ATCC 24843;
RX   PubMed=11859360; DOI=10.1038/nature724;
RA   Wood V., Gwilliam R., Rajandream M.A., Lyne M.H., Lyne R., Stewart A.,
RA   Sgouros J.G., Peat N., Hayles J., Baker S.G., Basham D., Bowman S.,
RA   Brooks K., Brown D., Brown S., Chillingworth T., Churcher C.M., Collins M.,
RA   Connor R., Cronin A., Davis P., Feltwell T., Fraser A., Gentles S.,
RA   Goble A., Hamlin N., Harris D.E., Hidalgo J., Hodgson G., Holroyd S.,
RA   Hornsby T., Howarth S., Huckle E.J., Hunt S., Jagels K., James K.D.,
RA   Jones L., Jones M., Leather S., McDonald S., McLean J., Mooney P.,
RA   Moule S., Mungall K.L., Murphy L.D., Niblett D., Odell C., Oliver K.,
RA   O'Neil S., Pearson D., Quail M.A., Rabbinowitsch E., Rutherford K.M.,
RA   Rutter S., Saunders D., Seeger K., Sharp S., Skelton J., Simmonds M.N.,
RA   Squares R., Squares S., Stevens K., Taylor K., Taylor R.G., Tivey A.,
RA   Walsh S.V., Warren T., Whitehead S., Woodward J.R., Volckaert G., Aert R.,
RA   Robben J., Grymonprez B., Weltjens I., Vanstreels E., Rieger M.,
RA   Schaefer M., Mueller-Auer S., Gabel C., Fuchs M., Duesterhoeft A.,
RA   Fritzc C., Holzer E., Moestl D., Hilbert H., Borzym K., Langer I., Beck A.,
RA   Lehrach H., Reinhardt R., Pohl T.M., Eger P., Zimmermann W., Wedler H.,
RA   Wambutt R., Purnelle B., Goffeau A., Cadieu E., Dreano S., Gloux S.,
RA   Lelaure V., Mottier S., Galibert F., Aves S.J., Xiang Z., Hunt C.,
RA   Moore K., Hurst S.M., Lucas M., Rochet M., Gaillardin C., Tallada V.A.,
RA   Garzon A., Thode G., Daga R.R., Cruzado L., Jimenez J., Sanchez M.,
RA   del Rey F., Benito J., Dominguez A., Revuelta J.L., Moreno S.,
RA   Armstrong J., Forsburg S.L., Cerutti L., Lowe T., McCombie W.R.,
RA   Paulsen I., Potashkin J., Shpakovski G.V., Ussery D., Barrell B.G.,
RA   Nurse P.;
RT   "The genome sequence of Schizosaccharomyces pombe.";
RL   Nature 415:871-880(2002).
RN   [2]
RP   IDENTIFICATION IN THE CWF COMPLEX, AND IDENTIFICATION BY MASS SPECTROMETRY.
RX   PubMed=11884590; DOI=10.1128/mcb.22.7.2011-2024.2002;
RA   Ohi M.D., Link A.J., Ren L., Jennings J.L., McDonald W.H., Gould K.L.;
RT   "Proteomics analysis reveals stable multiprotein complexes in both fission
RT   and budding yeasts containing Myb-related Cdc5p/Cef1p, novel pre-mRNA
RT   splicing factors, and snRNAs.";
RL   Mol. Cell. Biol. 22:2011-2024(2002).
RN   [3]
RP   SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS].
RX   PubMed=16823372; DOI=10.1038/nbt1222;
RA   Matsuyama A., Arai R., Yashiroda Y., Shirai A., Kamata A., Sekido S.,
RA   Kobayashi Y., Hashimoto A., Hamamoto M., Hiraoka Y., Horinouchi S.,
RA   Yoshida M.;
RT   "ORFeome cloning and global analysis of protein localization in the fission
RT   yeast Schizosaccharomyces pombe.";
RL   Nat. Biotechnol. 24:841-847(2006).
CC   -!- FUNCTION: Plays a role in pre-mRNA splicing as a core component of the
CC       spliceosomal U1, U2, U4 and U5 small nuclear ribonucleoproteins
CC       (snRNPs), the building blocks of the spliceosome (By similarity).
CC       {ECO:0000250|UniProtKB:P62308}.
CC   -!- SUBUNIT: Belongs to the 40S cdc5-associated complex (or cwf complex), a
CC       spliceosome sub-complex reminiscent of a late-stage spliceosome
CC       composed of the U2, U5 and U6 snRNAs and at least brr2, cdc5,
CC       cwf2/prp3, cwf3/syf1, cwf4/syf3, cwf5/ecm2, spp42/cwf6, cwf7/spf27,
CC       cwf8, cwf9, cwf10, cwf11, cwf12, prp45/cwf13, cwf14, cwf15, cwf16,
CC       cwf17, cwf18, cwf19, cwf20, cwf21, cwf22, cwf23, cwf24, cwf25, cwf26,
CC       cyp7/cwf27, cwf28, cwf29/ist3, lea1, msl1, prp5/cwf1, prp10,
CC       prp12/sap130, prp17, prp22, sap61, sap62, sap114, sap145, slu7, smb1,
CC       smd1, smd3, smf1, smg1 and syf2. {ECO:0000269|PubMed:11884590}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000269|PubMed:16823372}. Cytoplasm
CC       {ECO:0000269|PubMed:16823372}.
CC   -!- SIMILARITY: Belongs to the snRNP Sm proteins family. {ECO:0000305}.
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DR   EMBL; CU329671; CAA19285.1; -; Genomic_DNA.
DR   PIR; T40477; T40477.
DR   RefSeq; NP_596422.1; NM_001022341.2.
DR   PDB; 3JB9; EM; 3.60 A; J/o=1-77.
DR   PDBsum; 3JB9; -.
DR   AlphaFoldDB; O74966; -.
DR   SMR; O74966; -.
DR   BioGRID; 277372; 23.
DR   IntAct; O74966; 7.
DR   STRING; 284812.O74966; -.
DR   MaxQB; O74966; -.
DR   PaxDb; 4896-SPBC4B4-05-1; -.
DR   EnsemblFungi; SPBC4B4.05.1; SPBC4B4.05.1:pep; SPBC4B4.05.
DR   GeneID; 2540855; -.
DR   KEGG; spo:SPBC4B4.05; -.
DR   PomBase; SPBC4B4.05; smg1.
DR   VEuPathDB; FungiDB:SPBC4B4.05; -.
DR   eggNOG; KOG1780; Eukaryota.
DR   HOGENOM; CLU_076902_10_1_1; -.
DR   InParanoid; O74966; -.
DR   OMA; SKNNIGM; -.
DR   PhylomeDB; O74966; -.
DR   PRO; PR:O74966; -.
DR   Proteomes; UP000002485; Chromosome II.
DR   GO; GO:0071013; C:catalytic step 2 spliceosome; IBA:GO_Central.
DR   GO; GO:0005829; C:cytosol; HDA:PomBase.
DR   GO; GO:0005634; C:nucleus; HDA:PomBase.
DR   GO; GO:0071014; C:post-mRNA release spliceosomal complex; IDA:PomBase.
DR   GO; GO:0071011; C:precatalytic spliceosome; IBA:GO_Central.
DR   GO; GO:0034719; C:SMN-Sm protein complex; IBA:GO_Central.
DR   GO; GO:0097526; C:spliceosomal tri-snRNP complex; IBA:GO_Central.
DR   GO; GO:0005685; C:U1 snRNP; IDA:PomBase.
DR   GO; GO:0005686; C:U2 snRNP; IDA:PomBase.
DR   GO; GO:0071004; C:U2-type prespliceosome; IBA:GO_Central.
DR   GO; GO:0005687; C:U4 snRNP; IBA:GO_Central.
DR   GO; GO:0046540; C:U4/U6 x U5 tri-snRNP complex; ISS:PomBase.
DR   GO; GO:0005682; C:U5 snRNP; IBA:GO_Central.
DR   GO; GO:0003723; F:RNA binding; IEA:UniProtKB-KW.
DR   GO; GO:0000395; P:mRNA 5'-splice site recognition; IC:PomBase.
DR   GO; GO:0000398; P:mRNA splicing, via spliceosome; IBA:GO_Central.
DR   GO; GO:0000387; P:spliceosomal snRNP assembly; IEA:InterPro.
DR   CDD; cd01719; Sm_G; 1.
DR   Gene3D; 2.30.30.100; -; 1.
DR   InterPro; IPR044641; Lsm7/SmG-like.
DR   InterPro; IPR010920; LSM_dom_sf.
DR   InterPro; IPR047575; Sm.
DR   InterPro; IPR001163; Sm_dom_euk/arc.
DR   InterPro; IPR034098; Sm_G.
DR   PANTHER; PTHR10553; SMALL NUCLEAR RIBONUCLEOPROTEIN; 1.
DR   PANTHER; PTHR10553:SF2; SMALL NUCLEAR RIBONUCLEOPROTEIN G; 1.
DR   Pfam; PF01423; LSM; 1.
DR   SMART; SM00651; Sm; 1.
DR   SUPFAM; SSF50182; Sm-like ribonucleoproteins; 1.
DR   PROSITE; PS52002; SM; 1.
PE   1: Evidence at protein level;
KW   3D-structure; Cytoplasm; mRNA processing; mRNA splicing; Nucleus;
KW   Reference proteome; Ribonucleoprotein; RNA-binding; Spliceosome.
FT   CHAIN           1..77
FT                   /note="Small nuclear ribonucleoprotein G"
FT                   /id="PRO_0000125551"
FT   DOMAIN          4..76
FT                   /note="Sm"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01346"
SQ   SEQUENCE   77 AA;  8604 MW;  6468E36CFEA8139A CRC64;
     MSKAGAPDLK KYLDRQVFVQ LNGSRKVYGV LRGYDIFLNI VLEDSIEEKV DGEKVKIGSV
     AIRGNSVIMI ETLDKMT
//