STRINGSTRING
SUB2 SUB2 PRP22 PRP22 BRR2 BRR2 ACT1 ACT1 PRP8 PRP8 PRP21 PRP21 MUD2 MUD2 SNU114 SNU114 LEA1 LEA1 CUS2 CUS2 HSH155 HSH155 CUS1 CUS1 RNH1 RNH1 MSL5 MSL5 PRP16 PRP16 SAC1 SAC1 MUD1 MUD1 NTC20 NTC20 PRP5 PRP5 PRP9 PRP9 PRP11 PRP11 PRP28 PRP28
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splice isoforms or post-translational modifications are collapsed, i.e. each node represents all the proteins produced by a single, protein-coding gene locus.
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colored nodes:
query proteins and first shell of interactors
white nodes:
second shell of interactors
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empty nodes:
proteins of unknown 3D structure
filled nodes:
a 3D structure is known or predicted
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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
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experimentally determined
Predicted Interactions
gene neighborhood
gene fusions
gene co-occurrence
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textmining
co-expression
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SUB2ATP-dependent RNA helicase SUB2; Component of the TREX complex required for nuclear mRNA export; member of the DEAD-box RNA helicase superfamily and is involved in early and late steps of spliceosome assembly; homolog of the human splicing factor hUAP56; relocalizes from nucleus to cytoplasm upon DNA replication stress. (446 aa)
PRP22DEAH-box RNA-dependent ATPase/ATP-dependent RNA helicase; associates with lariat intermediates before the second catalytic step of splicing; mediates ATP-dependent mRNA release from the spliceosome and unwinds RNA duplexes; required for proofreading the exon ligation reaction. (1145 aa)
BRR2Pre-mRNA-splicing helicase BRR2; RNA-dependent ATPase RNA helicase (DEIH box); required for disruption of U4/U6 base-pairing in native snRNPs to activate the spliceosome for catalysis; homologous to human U5-200kD. (2163 aa)
ACT1Actin; structural protein involved in cell polarization, endocytosis, and other cytoskeletal functions. (375 aa)
PRP8Pre-mRNA-splicing factor 8; Component of U4/U6-U5 snRNP complex; involved in second catalytic step of splicing; participates in spliceosomal assembly through its interaction with U1 snRNA; largest and most evolutionarily conserved protein of the spliceosome; mutations in human ortholog, PRPF8, cause Retinitis pigmentosa and missplicing in Myelodysplastic syndrome; mouse ortholog interacts with androgen receptor and may have a role in prostate cancer. (2413 aa)
PRP21Pre-mRNA-splicing factor PRP21; Subunit of the SF3a splicing factor complex; required for spliceosome assembly. (280 aa)
MUD2Splicing factor MUD2; Protein involved in early pre-mRNA splicing; component of the pre-mRNA-U1 snRNP complex, the commitment complex; interacts with Msl5p/BBP splicing factor and Sub2p; similar to metazoan splicing factor U2AF65. (527 aa)
SNU114Pre-mRNA-splicing factor SNU114; GTPase component of U5 snRNP involved in mRNA splicing via spliceosome; binds directly to U5 snRNA; proposed to be involved in conformational changes of the spliceosome; similarity to ribosomal translocation factor EF-2. (1008 aa)
LEA1U2 small nuclear ribonucleoprotein A; Component of U2 snRNP complex; disruption causes reduced U2 snRNP levels; physically interacts with Msl1p; putative homolog of human U2A' snRNP protein; Belongs to the U2 small nuclear ribonucleoprotein A family. (238 aa)
CUS2Putative checkpoint factor in transcription; binds to U2 snRNA and Prp11p; regulates toggling of the U2 snRNA stem II region between different structures; contains two RNA recognition motifs (RRMs). (285 aa)
HSH155U2-snRNP associated splicing factor; forms extensive associations with the branch site-3' splice site-3' exon region upon prespliceosome formation; similarity to the mammalian U2 snRNP-associated splicing factor SAP155. (971 aa)
CUS1Cold sensitive U2 snRNA suppressor 1; Protein required for assembly of U2 snRNP into the spliceosome; forms a complex with Hsh49p and Hsh155p. (436 aa)
RNH1Ribonuclease H1; able to bind double-stranded RNAs and RNA-DNA hybrids; associates with RNAse polymerase I. (348 aa)
MSL5Branchpoint-bridging protein; Component of commitment complex; which defines first step in splicing pathway; essential protein that interacts with Mud2p and Prp40p, forming a bridge between the intron ends; also involved in nuclear retention of pre-mRNA; relocalizes to the cytosol in response to hypoxia. (476 aa)
PRP16DEAH-box RNA helicase involved in second catalytic step of splicing and in exon ligation; exhibits ATP-dependent RNA unwinding activity; mediates the release of Yju2p and Cwc25p in the second step; in the absence of ATP, stabilizes the binding of Cwc25p to the spliceosome in the first catalytic step; missense mutation in human ortholog DHX38 associated with early-onset retinitis pigmentosa; Belongs to the DEAD box helicase family. DEAH subfamily. PRP16 sub-subfamily. (1071 aa)
SAC1Phosphoinositide phosphatase SAC1; Phosphatidylinositol phosphate (PtdInsP) phosphatase; involved in hydrolysis of PtdIns[4]P in the early and medial Golgi; regulated by interaction with Vps74p; ER localized transmembrane protein which cycles through the Golgi; involved in protein trafficking and processing, secretion, and cell wall maintenance; regulates sphingolipid biosynthesis through the modulation of PtdIns(4)P metabolism. (623 aa)
MUD1U1 snRNP A protein; homolog of human U1-A; involved in nuclear mRNA splicing; Belongs to the RRM U1 A/B'' family. (298 aa)
NTC20Pre-mRNA-splicing factor NTC20; Member of the NineTeen Complex (NTC); this complex contains Prp19p and stabilizes U6 snRNA in catalytic forms of the spliceosome containing U2, U5, and U6 snRNAs. (140 aa)
PRP5Pre-mRNA-processing ATP-dependent RNA helicase PRP5; RNA helicase in the DEAD-box family; necessary for prespliceosome formation, bridges U1 and U2 snRNPs and enables stable U2 snRNP association with intron RNA; Belongs to the DEAD box helicase family. DDX46/PRP5 subfamily. (849 aa)
PRP9Pre-mRNA-splicing factor PRP9; Subunit of the SF3a splicing factor complex; required for spliceosome assembly; acts after the formation of the U1 snRNP-pre-mRNA complex; Belongs to the SF3A3 family. (530 aa)
PRP11Pre-mRNA-splicing factor PRP11; Subunit of the SF3a splicing factor complex; required for spliceosome assembly. (266 aa)
PRP28Pre-mRNA-splicing ATP-dependent RNA helicase PRP28; RNA binding protein; involved in RNA isomerization at the 5' splice site and for exchange of U6 for U1 snRNA at the 5' splice site; similar to the RNA helicases of the DEAD-box family. (588 aa)
Your Current Organism:
Saccharomyces cerevisiae
NCBI taxonomy Id: 4932
Other names: ATCC 18824, Candida robusta, Mycoderma cerevisiae, NRRL Y-12632, S. cerevisiae, Saccharomyces capensis, Saccharomyces italicus, Saccharomyces oviformis, Saccharomyces uvarum var. melibiosus, yeast
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