STRINGSTRING
STRING protein interaction network
Nodes:
Network nodes represent proteins
splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
Node Color
colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
Node Content
empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
Edges:
Edges represent protein-protein associations
associations are meant to be specific and meaningful, i.e. proteins jointly contribute to a shared function; this does not necessarily mean they are physically binding to each other.
Known Interactions
from curated databases
experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
Others
textmining
co-expression
protein homology
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Gene Fusion
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Coexpression
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[Homology]
Score
SxlProtein sex-lethal; Sex determination switch protein which controls sexual development by sex-specific splicing. Regulates dosage compensation in females by suppressing hyperactivation of X-linked genes. Expression of the embryo-specific isoform is under the control of primary sex- determining signal, which depends on the ratio of X chromosomes relative to autosomes (X:A ratio). Expression occurs in 2X:2A cells, but not in X:2A cells. The X:A ratio seems to be signaled by the relative concentration of the X-linked transcription factors SIS-A and SIS-B. As a result, the embryo-specific [...] (722 aa)    
Predicted Functional Partners:
Unr
Upstream of N-ras (Unr) encodes an RNA binding protein that functions as an RNA chaperone and translation regulator. It performs opposing, sex-specific, roles in X-chromosome dosage compensation by regulating lncRNA:roX2 RNA conformation in males and msl-2 mRNA translation in females.
   
 0.997
tra
Female-specific protein transformer; Member of the regulatory pathway controlling female somatic sexual differentiation, regulated by Sxl. Activates dsx female-specific splicing by promoting the formation of a splicing enhancer complex which consists of tra, tra2 and sr proteins. Together with tra-2, plays a role in switching fru splicing from the male-specific pattern to the female-specific pattern through activation of the female-specific fru 5'-splice site. No known function in males.
   
 
 0.996
msl-2
E3 ubiquitin-protein ligase msl-2; The Msl proteins are essential for elevating transcription of the single X chromosome in the male (X chromosome dosage compensation). Msl-2 is required for translation and/or stability of msl-1 in males. In complex with msl-1, acts as an E3 ubiquitin ligase that promotes ubiquitination of histone H2B. Belongs to the MSL2 family.
   
 
 0.984
snf
U1 small nuclear ribonucleoprotein A; Binds stem loop II of U1 snRNA. It is the first snRNP to interact with pre-mRNA. This interaction is required for the subsequent binding of U2 snRNP and the U4/U6/U5 tri-snRNP (By similarity). Plays a role in regulating sex-lethal splicing; Belongs to the RRM U1 A/B'' family.
    
 
 0.980
fl(2)d
Pre-mRNA-splicing regulator female-lethal(2)D; Associated component of the WMM complex, a complex that mediates N6-methyladenosine (m6A) methylation of mRNAs, a modification that plays a role in the efficiency of mRNA splicing and is required for sex determination. Required for sex determination and dosage compensation via Sxl alternative splicing: m6A methylation acts as a key regulator of Sxl pre-mRNA and promotes female-specific alternative splicing of Sxl, which determines female physiognomy. M6A methylation is also required for neuronal functions. Required for proper inclusion of [...]
   
 
 0.955
dsx
Protein doublesex; Controls somatic sexual differentiation. Binds directly and specifically to the FBE (fat body enhancer) of the yolk protein 1 and 2 genes (Yp1 and Yp2). This enhancer is sufficient to direct the female- specific transcription characteristic of the Yp genes in adult fat bodies. Involved in regulation of male-specific expression of takeout in brain-associated fat body.
   
 
 0.926
vir
Protein virilizer; Associated component of the WMM complex, a complex that mediates N6-methyladenosine (m6A) methylation of mRNAs, a modification that plays a role in the efficiency of mRNA splicing and is required for sex determination. Required for sex determination and dosage compensation via Sxl alternative splicing: m6A methylation acts as a key regulator of Sxl pre-mRNA and promotes female-specific alternative splicing of Sxl, which determines female physiognomy. M6A methylation is also required for neuronal functions. Required for proper inclusion of regulated exons in Ubx trans [...]
    
 
 0.902
Ythdc1
YTH domain-containing protein 1; Regulator of alternative splicing that specifically recognizes and binds N6-methyladenosine (m6A)-containing RNAs. Acts by acting as a reader of m6A methylation. Required for sex determination and dosage compensation via Sxl alternative splicing: m6A methylation acts as a key regulator of Sxl pre-mRNA and promotes female-specific alternative splicing of Sxl, which determines female physiognomy. M6A methylation is also required for neuronal functions.
    
 
 0.900
nos
Protein nanos; Maternal RNA-binding protein that is required for germ cells proliferation and self-renewal. Acts by forming a complex with pum and brat that regulates translation and mRNA stability. The complex binds to the Nanos Response Element (NRE), a 16 bp sequence in the hb mRNA 3'-UTR and prevents its translation. Controls posterior development. Rescuing factor for the abdominal defect of posterior group mutants. The other posterior group genes are not required for nanos function but rather play a role in localization or distribution of nanos protein.
    
 0.899
tra2
Transformer-2 sex-determining protein; Required for female sex determination in somatic cells and for spermatogenesis in male germ cells. Positive regulator of female- specific splicing and/or polyadenylation of doublesex (dsx) pre-mRNA. Splicing requires an enhancer complex, dsxRE (dsx repeat element: which contains six copies of a 13-nucleotide repeat and a purine-rich enhancer (PRE)). DsxRE is formed through cooperative interactions between tra, tra2 and the sr proteins, and these interactions require both the repeat sequences and PRE. PRE is required for specific binding of tra2 to [...]
      
 0.892
Your Current Organism:
Drosophila melanogaster
NCBI taxonomy Id: 7227
Other names: D. melanogaster, Diptera sp. DNAS-2A9-224646, Sophophora melanogaster, fruit fly
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