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RU1C_PLABA
ID   RU1C_PLABA              Reviewed;         197 AA.
AC   Q4YBG7;
DT   14-DEC-2011, integrated into UniProtKB/Swiss-Prot.
DT   05-JUL-2005, sequence version 1.
DT   25-MAY-2022, entry version 59.
DE   RecName: Full=U1 small nuclear ribonucleoprotein C {ECO:0000255|HAMAP-Rule:MF_03153};
DE            Short=U1 snRNP C {ECO:0000255|HAMAP-Rule:MF_03153};
DE            Short=U1-C {ECO:0000255|HAMAP-Rule:MF_03153};
DE            Short=U1C {ECO:0000255|HAMAP-Rule:MF_03153};
GN   ORFNames=PB001431.02.0;
OS   Plasmodium berghei (strain Anka).
OC   Eukaryota; Sar; Alveolata; Apicomplexa; Aconoidasida; Haemosporida;
OC   Plasmodiidae; Plasmodium; Plasmodium (Vinckeia).
OX   NCBI_TaxID=5823;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ANKA;
RX   PubMed=15637271; DOI=10.1126/science.1103717;
RA   Hall N., Karras M., Raine J.D., Carlton J.M., Kooij T.W.A., Berriman M.,
RA   Florens L., Janssen C.S., Pain A., Christophides G.K., James K.,
RA   Rutherford K., Harris B., Harris D., Churcher C.M., Quail M.A., Ormond D.,
RA   Doggett J., Trueman H.E., Mendoza J., Bidwell S.L., Rajandream M.A.,
RA   Carucci D.J., Yates J.R. III, Kafatos F.C., Janse C.J., Barrell B.G.,
RA   Turner C.M.R., Waters A.P., Sinden R.S.;
RT   "A comprehensive survey of the Plasmodium life cycle by genomic,
RT   transcriptomic, and proteomic analyses.";
RL   Science 307:82-86(2005).
CC   -!- FUNCTION: Component of the spliceosomal U1 snRNP, which is essential
CC       for recognition of the pre-mRNA 5' splice-site and the subsequent
CC       assembly of the spliceosome. U1-C is directly involved in initial 5'
CC       splice-site recognition for both constitutive and regulated alternative
CC       splicing. The interaction with the 5' splice-site seems to precede
CC       base-pairing between the pre-mRNA and the U1 snRNA. Stimulates
CC       commitment or early (E) complex formation by stabilizing the base
CC       pairing of the 5' end of the U1 snRNA and the 5' splice-site region.
CC       {ECO:0000255|HAMAP-Rule:MF_03153}.
CC   -!- SUBUNIT: U1 snRNP is composed of the 7 core Sm proteins B/B', D1, D2,
CC       D3, E, F and G that assemble in a heptameric protein ring on the Sm
CC       site of the small nuclear RNA to form the core snRNP, and at least 3 U1
CC       snRNP-specific proteins U1-70K, U1-A and U1-C. U1-C interacts with U1
CC       snRNA and the 5' splice-site region of the pre-mRNA.
CC       {ECO:0000255|HAMAP-Rule:MF_03153}.
CC   -!- SUBCELLULAR LOCATION: Nucleus {ECO:0000255|HAMAP-Rule:MF_03153}.
CC   -!- SIMILARITY: Belongs to the U1 small nuclear ribonucleoprotein C family.
CC       {ECO:0000255|HAMAP-Rule:MF_03153}.
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DR   EMBL; CAAI01006809; CAI04780.1; -; Genomic_DNA.
DR   RefSeq; XP_677793.1; XM_672701.1.
DR   AlphaFoldDB; Q4YBG7; -.
DR   SMR; Q4YBG7; -.
DR   VEuPathDB; PlasmoDB:PBANKA_1424800; -.
DR   eggNOG; ENOG502SFRZ; Eukaryota.
DR   HOGENOM; CLU_106083_0_0_1; -.
DR   InParanoid; Q4YBG7; -.
DR   OMA; NPMMNNF; -.
DR   GO; GO:0000243; C:commitment complex; IEA:UniProtKB-UniRule.
DR   GO; GO:0005685; C:U1 snRNP; IEA:UniProtKB-UniRule.
DR   GO; GO:0071004; C:U2-type prespliceosome; IEA:UniProtKB-UniRule.
DR   GO; GO:0003729; F:mRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0030619; F:U1 snRNA binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000395; P:mRNA 5'-splice site recognition; IEA:UniProtKB-UniRule.
DR   GO; GO:0000387; P:spliceosomal snRNP assembly; IEA:UniProtKB-UniRule.
DR   HAMAP; MF_03153; U1_C; 1.
DR   InterPro; IPR000690; Matrin/U1-C_Znf_C2H2.
DR   InterPro; IPR003604; Matrin/U1-like-C_Znf_C2H2.
DR   InterPro; IPR013085; U1-CZ_Znf_C2H2.
DR   InterPro; IPR017340; U1_snRNP-C.
DR   InterPro; IPR036236; Znf_C2H2_sf.
DR   PANTHER; PTHR31148; PTHR31148; 1.
DR   Pfam; PF06220; zf-U1; 1.
DR   PIRSF; PIRSF037969; U1_snRNP-C; 1.
DR   SMART; SM00451; ZnF_U1; 1.
DR   SUPFAM; SSF57667; SSF57667; 1.
DR   PROSITE; PS50171; ZF_MATRIN; 1.
PE   3: Inferred from homology;
KW   Metal-binding; Nucleus; Ribonucleoprotein; RNA-binding; Zinc; Zinc-finger.
FT   CHAIN           1..197
FT                   /note="U1 small nuclear ribonucleoprotein C"
FT                   /id="PRO_0000414273"
FT   ZN_FING         4..36
FT                   /note="Matrin-type"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_03153"
FT   REGION          128..178
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        128..158
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ   SEQUENCE   197 AA;  23283 MW;  5B6BBD0456F859D7 CRC64;
     MPKYYCEYCD IYLTHSSPVG RRQHNQGRKH ISAKIEYFQN LLREEGITPQ NFLGFLGNQG
     YNNTLANPMM NNFMPGNYNA YMKYNPMRNY HHSNRNSNYQ HSIGMHNNKY SRAGYVPPGS
     NKYPNNHFHN NKRINNIPKP YNNYTNKPIT NSSYKNDKQD YRNNNESNDN MNSNNFSNYQ
     VNKENANFVN KNNEQPN
 
 
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