Protein Help

CUS1 / YMR240C Protein

Protein abundance data, domains, shared domains with other proteins, protein sequence retrieval for various strains, sequence-based physico-chemical properties, protein modification sites, and external identifiers for the protein.


Protein Product
U2 snRNP complex subunit CUS1
Feature Type
ORF , Verified

AlphaFold Protein Structure

AlphaFold, developed by DeepMind, is an AI program that accurately predicts protein structures from amino acid sequences, enabling visualization of protein conformations. The predicted structures can be accessed through the Protein Data Bank (PDB) and AlphaFold Protein Structure Database.


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Model Confidence

Very high
Confident
Low
Very low

Experimental Data

Contains experimentally-derived protein half-life data obtained using stable isotope labeling by amino acids (SILAC) coupled with mass spectrometry. This section also contains protein abundance data for both untreated and treated cells obtained from over 20 studies. These data have been normalized and converted to a common unit of molecules per cell.


Protein Half Life

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ExperimentResultReference
half-life9.4 hrChristiano R, et al. (2014)

Protein Abundance

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Abundance (molecules/cell)MediaTreatmentTreatment timeFold ChangeVisualizationStrain backgroundOriginal ReferenceReference
1718SDuntreatedconfocal microscopy evidenceS288CChong YT, et al. (2015)Ho B, et al. (2018)
1795SD0.2 M hydroxyurea160 minconfocal microscopy evidenceS288CChong YT, et al. (2015)Ho B, et al. (2018)
3075YEPDuntreatedflow cytometry evidenceS288CDavidson GS, et al. (2011)Ho B, et al. (2018)
3005SDuntreatedquantitative mass spectrometry evidenceS288Cde Godoy LM, et al. (2008)Ho B, et al. (2018)
3404SDuntreatedwide-field microscopy evidenceS288CDénervaud N, et al. (2013)Ho B, et al. (2018)
Showing 1 to 5 of 18 entries

Domains and Classification - S288C

Collection of computationally identified domains and motifs, as determined by InterProScan analysis; includes protein coordinates for the domain, a domain Description, a Source and corresponding accession ID, and the number of S. cerevisiae genes that share the same domain.


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Gene Protein Coordinates Accession ID Description Source No. of Genes with Domain

Domain Locations

Visual representation of the locations of the domains within the protein, as listed in the Domains and Classification table. Each row displays the domain(s) derived from a different Source, with domains color-coded according to this Source.

Scroll over a domain to view its exact coordinates and its Description.

Shared Domains

This diagram displays domains (colored squares) shared between the given protein (yellow circle) and other proteins (gray circles); the domains are color-coded according to their source, as displayed in the Domain Locations table, above.

Reset

Click on a gene or domain name to go to its specific page within SGD; drag any of the gene or domain objects around within the visualization for easier viewing; click “Reset” to automatically redraw the diagram.

Alleles

Curated mutant alleles for the specified gene, listed alphabetically. Click on the allele name to open the allele page. Click "SGD search" to view all alleles in search results.


cus1-3 | cus1-Δ

View all CUS1 alleles in SGD search

Sequence

Protein sequence for the given gene in S288C and other strains, when available. Use the pull-down menu under "Strain" to select the sequence for a specific strain. The displayed sequence can be downloaded in FASTA format as a .txt file. Amino acids displayed in blue represent modification sites. More detailed evidence for these modification sites is presented in the Post-translational Modifications table, located just below the protein sequence.


1 MARTKSRKRS GNNQNKNASV VNNKAEIAAM IDARRLEQKK KGGVTNSKGK TNKVVDAKLE
61 KEFKDVLQRF QVQENDTPKE ITKDEKNNHV VIVEKNPVMN RKHTAEDELE DTPSDGIEEH
121 LSARKRRKTE KPSLSQLKSQ VPYPQIIEWY DCDARYPGLL ASIKCTKNVI PVPSHWQSKK
181 EYLSGRSLLG KRPFELPDII KKTNIEQMRS TLPQSGLDGQ DEKSLKEASR ARVQPKMGAL
241 DLDYKKLHDV FFKIGANWKP DHLLCFGDVY YENRNLFEET NWKRMVDHKR PGRISQELRA
301 IMNLPEGQLP PWCMKMKDIG LPTGYPDLKI AGLNWDITNL KGDVYGKIIP NHHSRSKKQG
361 RNYFGALISF ETPEFENSKE DTQANAENGR QDDKIDDEVE HKLDHFQEDI SEVTSAEEKL
421 ERNEEESEKQ LYTVLK*

* Blue amino acids indicate modification sites. More information below.

Post-translational Modifications - S288C

Modification sites for the protein in the selected strain, based on the presence of a residue in the specific strain, as inferred from experimental evidence.

21 entries for 10 sites

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SiteModificationModifierReference
K95monoacetylated residueHenriksen P, et al. (2012) PMID: 22865919
T104phosphorylated residueLanz MC, et al. (2021) PMID: 33491328
T104phosphorylated residueHolt LJ, et al. (2009) PMID: 19779198
T104phosphorylated residueLeutert M, et al. (2023) PMID: 37845410
T112phosphorylated residueLeutert M, et al. (2023) PMID: 37845410
T112phosphorylated residueHolt LJ, et al. (2009) PMID: 19779198
T112phosphorylated residueLanz MC, et al. (2021) PMID: 33491328
S114phosphorylated residueLanz MC, et al. (2021) PMID: 33491328
S114phosphorylated residueHolt LJ, et al. (2009) PMID: 19779198
S114phosphorylated residueLeutert M, et al. (2023) PMID: 37845410
Showing 1 to 10 of 21 entries

Sequence-Based Physico-chemical Properties - S288C

Calculated protein properties, including amino acid composition, length, coding region calculations, and atomic composition.

Amino Acid Composition

Sort table using the arrow to the right of a column header to sort by that column; download all properties as a .txt file using the "Download Properties" button.

Amino AcidFrequencyPercentage
A214.82
C40.92
D306.88
E419.40
F112.52
G235.28
H112.52
I235.28
K5111.70
L347.80
M92.06
N286.42
P225.05
Q204.59
R255.73
S265.96
T184.13
V225.05
W61.38
Y112.52

Physical Details

Length (a.a): 436
Molecular Weight (Da): 50258.5
Isoelectric Point (pl): 8.94
Formula: C2201H3529N638O682S13
Aliphatic Index: 65.61
Instability Index: 45.49

Coding Region Translation Calculations

Codon Bias: -0.01
Codon Adaptation Index: 0.12
Frequence of Optimal Codons: 0.43
Hydropathicity of Protein: -1.01
Aromaticity Score: 0.06

Extinction Coefficients at 280nm

ALL Cys residues appear as half cystines: 49640.0
NO Cys residues appear as half cystines: 49390.0

Atomic Composition

Sort table using the arrow to the right of a column header to sort by that column; download all properties as a .txt file using the "Download Properties" button.

Atom Frequency Percentage

Data not found or not available for  S288C

External Identifiers

List of external identifiers for the protein from various database sources.

21 entries for 8 sources


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External IDSource
orf19.7581CGD
910DIP
Z48756GenBank/EMBL/DDBJ
6323896GenBank/EMBL/DDBJ
2498270GenBank/EMBL/DDBJ
51830492GenBank/EMBL/DDBJ
1185415GenBank/EMBL/DDBJ
736306GenBank/EMBL/DDBJ
AY723856GenBank/EMBL/DDBJ
U27016GenBank/EMBL/DDBJ
Showing 1 to 10 of 21 entries

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