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UniProtKB - Q4FZU3 (NSRP1_RAT)
Protein
Nuclear speckle splicing regulatory protein 1
Gene
Nsrp1
Organism
Rattus norvegicus (Rat)
Status
Functioni
RNA-binding protein that mediates pre-mRNA alternative splicing regulation.
By similarityGO - Molecular functioni
- mRNA binding Source: UniProtKB
GO - Biological processi
- developmental process Source: UniProtKB
- in utero embryonic development Source: RGD
- mRNA processing Source: UniProtKB-KW
- regulation of alternative mRNA splicing, via spliceosome Source: UniProtKB
- RNA splicing Source: UniProtKB-KW
Keywordsi
Molecular function | RNA-binding |
Biological process | mRNA processing, mRNA splicing |
Names & Taxonomyi
Protein namesi | Recommended name: Nuclear speckle splicing regulatory protein 1Alternative name(s): Coiled-coil domain-containing protein 55 Nuclear speckle-related protein 70 Short name: NSrp70 |
Gene namesi | Name:Nsrp1 Synonyms:Ccdc55, Nsrp70 |
Organismi | Rattus norvegicus (Rat) |
Taxonomic identifieri | 10116 [NCBI] |
Taxonomic lineagei | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Glires › Rodentia › Myomorpha › Muroidea › Muridae › Murinae › Rattus |
Proteomesi |
|
Organism-specific databases
RGDi | 1309863, Nsrp1 |
Subcellular locationi
Nucleus
- Nucleus By similarity
- Nucleus speckle By similarity
Note: Colocalizes with splicing factors SRSF1 and SRSF2 in speckles.By similarity
Nucleus
- nuclear speck Source: UniProtKB
- nucleus Source: UniProtKB
Other locations
- ribonucleoprotein complex Source: UniProtKB
Keywords - Cellular componenti
NucleusPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000240436 | 1 – 547 | Nuclear speckle splicing regulatory protein 1Add BLAST | 547 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 27 | PhosphoserineBy similarity | 1 | |
Modified residuei | 33 | PhosphoserineCombined sources | 1 | |
Cross-linki | 198 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)By similarity | ||
Cross-linki | 209 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)By similarity | ||
Modified residuei | 247 | PhosphoserineBy similarity | 1 | |
Modified residuei | 252 | PhosphoserineBy similarity | 1 | |
Modified residuei | 276 | N6-acetyllysineBy similarity | 1 | |
Cross-linki | 279 | Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in SUMO2)By similarity | ||
Modified residuei | 447 | PhosphoserineCombined sources | 1 |
Keywords - PTMi
Acetylation, Isopeptide bond, Phosphoprotein, Ubl conjugationProteomic databases
PaxDbi | Q4FZU3 |
PRIDEi | Q4FZU3 |
PTM databases
iPTMneti | Q4FZU3 |
PhosphoSitePlusi | Q4FZU3 |
Expressioni
Gene expression databases
Bgeei | ENSRNOG00000022502, Expressed in testis and 21 other tissues |
Genevisiblei | Q4FZU3, RN |
Interactioni
Subunit structurei
Interacts (via C-terminus) with SRSF1.
Interacts (via C-terminus) with SRSF2 (By similarity).
By similarityProtein-protein interaction databases
STRINGi | 10116.ENSRNOP00000036224 |
Family & Domainsi
Region
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Regioni | 25 – 51 | DisorderedSequence analysisAdd BLAST | 27 | |
Regioni | 105 – 169 | Necessary for alternative splicing activityBy similarityAdd BLAST | 65 | |
Regioni | 188 – 523 | DisorderedSequence analysisAdd BLAST | 336 |
Coiled coil
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Coiled coili | 103 – 177 | Sequence analysisAdd BLAST | 75 | |
Coiled coili | 376 – 417 | Sequence analysisAdd BLAST | 42 |
Compositional bias
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Compositional biasi | 198 – 219 | Basic and acidic residuesSequence analysisAdd BLAST | 22 | |
Compositional biasi | 220 – 235 | Polar residuesSequence analysisAdd BLAST | 16 | |
Compositional biasi | 239 – 253 | Acidic residuesSequence analysisAdd BLAST | 15 | |
Compositional biasi | 254 – 277 | Basic and acidic residuesSequence analysisAdd BLAST | 24 | |
Compositional biasi | 304 – 344 | Basic and acidic residuesSequence analysisAdd BLAST | 41 | |
Compositional biasi | 352 – 523 | Basic and acidic residuesSequence analysisAdd BLAST | 172 |
Sequence similaritiesi
Belongs to the NSRP1 family.Curated
Keywords - Domaini
Coiled coilPhylogenomic databases
eggNOGi | KOG2117, Eukaryota |
GeneTreei | ENSGT00940000154049 |
HOGENOMi | CLU_548527_0_0_1 |
InParanoidi | Q4FZU3 |
OMAi | IYDEMQQ |
OrthoDBi | 1613087at2759 |
PhylomeDBi | Q4FZU3 |
TreeFami | TF319359 |
Family and domain databases
InterProi | View protein in InterPro IPR042816, Nsrp1 IPR018612, NSRP1_N |
PANTHERi | PTHR31938, PTHR31938, 1 hit |
Pfami | View protein in Pfam PF09745, DUF2040, 1 hit |
i Sequence
Sequence statusi: Complete.
Q4FZU3-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MAIPGRQYGL ILPKKTQPLN RVLQKPSVFG NDSDDDEASV SESLQREAAK
60 70 80 90 100
KQAMRQTKLE IQKALAEDST VYEYDSIYDE MQKKKEENNP KLLMGKDRKP
110 120 130 140 150
KYIHNLLKAV EIRKKEQEKR MEKKIQRERE MEKGEFDDKE AFVTSAYKKK
160 170 180 190 200
LEERAEEEER EKRAAALEAR LDVTKQKDLS GFYRHLLNQA VGEEAVPKSS
210 220 230 240 250
FREARTVIKE EKLRGYPDET NSENRPQQNC ALQSGVEEAE ENPDADSDSE
260 270 280 290 300
ESCDDGERGD HKVKSRGEED TGASTKYLKH HKNHTHSRSS SEEGGLSTKY
310 320 330 340 350
HSRSSQSRGH EHKGGQHQDR QSRDQESCHK DRSHREEKSS HRHREASHKD
360 370 380 390 400
HHWKRHEHED KPKGRGQGER QDREWKREKY SSREQEKDRQ WNDHDRYSEK
410 420 430 440 450
EKKGKEKEEH RKARRERCED GAKYRERKKP EGSGQSSERH RDRRESSPRP
460 470 480 490 500
RPEDDLLDQE RSSKARNTEK DKGEQGKPPR SETSLATKHR LTEERPEKGS
510 520 530 540
QPERPPEAVS KFAKRSNEET VMSARDRYLA RQMARINAKT YIEKEDD
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | BC099120 mRNA Translation: AAH99120.1 |
RefSeqi | NP_001032266.1, NM_001037189.1 |
Genome annotation databases
Ensembli | ENSRNOT00000030749; ENSRNOP00000036224; ENSRNOG00000022502 |
GeneIDi | 303346 |
KEGGi | rno:303346 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | BC099120 mRNA Translation: AAH99120.1 |
RefSeqi | NP_001032266.1, NM_001037189.1 |
3D structure databases
SMRi | Q4FZU3 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 10116.ENSRNOP00000036224 |
PTM databases
iPTMneti | Q4FZU3 |
PhosphoSitePlusi | Q4FZU3 |
Proteomic databases
PaxDbi | Q4FZU3 |
PRIDEi | Q4FZU3 |
Genome annotation databases
Ensembli | ENSRNOT00000030749; ENSRNOP00000036224; ENSRNOG00000022502 |
GeneIDi | 303346 |
KEGGi | rno:303346 |
Organism-specific databases
CTDi | 84081 |
RGDi | 1309863, Nsrp1 |
Phylogenomic databases
eggNOGi | KOG2117, Eukaryota |
GeneTreei | ENSGT00940000154049 |
HOGENOMi | CLU_548527_0_0_1 |
InParanoidi | Q4FZU3 |
OMAi | IYDEMQQ |
OrthoDBi | 1613087at2759 |
PhylomeDBi | Q4FZU3 |
TreeFami | TF319359 |
Miscellaneous databases
PROi | PR:Q4FZU3 |
Gene expression databases
Bgeei | ENSRNOG00000022502, Expressed in testis and 21 other tissues |
Genevisiblei | Q4FZU3, RN |
Family and domain databases
InterProi | View protein in InterPro IPR042816, Nsrp1 IPR018612, NSRP1_N |
PANTHERi | PTHR31938, PTHR31938, 1 hit |
Pfami | View protein in Pfam PF09745, DUF2040, 1 hit |
MobiDBi | Search... |
Entry informationi
Entry namei | NSRP1_RAT | |
Accessioni | Q4FZU3Primary (citable) accession number: Q4FZU3 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | June 27, 2006 |
Last sequence update: | August 30, 2005 | |
Last modified: | February 23, 2022 | |
This is version 95 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Chordata Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families