LSM4 Protein, Human (His)
The LSM4 protein plays a crucial role in pre-mRNA splicing, participating in the U4/U6-U5 tri-snRNP complex during spliceosome assembly, and as a component of the precatalytic spliceosome (spliceosome B complex).In the heptameric LSM2-8 complex, LSM4 specifically binds to the 3' U region of U6 snRNA.LSM4 Protein, Human (His) is the recombinant human-derived LSM4 protein, expressed by E.coli , with N-6*His labeled tag.
- Species: Human
- Source: E. coli
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Storage:Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
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Biological Activity
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Technical Parameters
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Product Properties
- Documentation
- Help & FAQs
Biological Activity
Description
The LSM4 protein plays a crucial role in pre-mRNA splicing, participating in the U4/U6-U5 tri-snRNP complex during spliceosome assembly, and as a component of the precatalytic spliceosome (spliceosome B complex).In the heptameric LSM2-8 complex, LSM4 specifically binds to the 3' U region of U6 snRNA.LSM4 Protein, Human (His) is the recombinant human-derived LSM4 protein, expressed by E.coli , with N-6*His labeled tag.
Background
LSM4 protein plays a crucial role in pre-mRNA splicing, functioning as a key component of the U4/U6-U5 tri-snRNP complex involved in spliceosome assembly and the precatalytic spliceosome (spliceosome B complex). Alongside LSM2, LSM3, LSM5, LSM6, LSM7, and LSM8, LSM4 forms the heptameric LSM2-8 complex, which specifically binds to the 3'-terminal U-tract of U6 snRNA. This complex is an integral part of the U4/U6-U5 tri-snRNP complex, a fundamental building block in the intricate machinery orchestrating spliceosome assembly. The U4/U6-U5 tri-snRNP complex comprises various snRNAs and associated proteins, underscoring LSM4's essential contribution to the complex and highly regulated process of pre-mRNA splicing.
Technical Parameters
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Species Human
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Source E. coli
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Tag N-6*His
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Accession
Q9Y4Z0 (M1-Q139)
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Molecular Construction
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N-term
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6*His
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LSM4 (M1-Q139)
Accession # Q9Y4Z0 -
C-term
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Protein Length
Full Length
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Synonyms
LSM4; GRP; LSM4 Homolog, U6 Small Nuclear RNA And MRNA Degradation Associated; LSM4 Homolog, U6 Small Nuclear RNA Associated (S. Cerevisiae); U6 SnRNA-Associated Sm-Like Protein LSm4; LSM4 U6 Small Nuclear RNA And MRNA Degradation Associated; YER112W; LSM
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AA Sequence
MLPLSLLKTAQNHPMLVELKNGETYNGHLVSCDNWMNINLREVICTSRDGDKFWRMPECYIRGSTIKYLRIPDEIIDMVKEEVVAKGRGRGGLQQQKQQKGRGMGGAGRGVFGGRGRGGIPGTGRGQPEKKPGRQAGKQ
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Predicted Molecular Mass
17.5 kDa
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Molecular Weight
Approximately 18 kDa, based on SDS-PAGE under reducing conditions.
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Purity
≥ 90%, as determined by reducing SDS-PAGE.
Product Properties
Lyophilized powder.
<1 EU/μg, determined by LAL method.
It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH2O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).
Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.
Room temperature in continental US;may vary elsewhere.
Documentation
Calculators
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
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