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Cpsf100 | Probable cleavage and polyadenylation specificity factor subunit 2; Component of the cleavage and polyadenylation specificity factor (CPSF) complex that plays a key role in pre-mRNA 3'-end formation, recognizing the AAUAAA signal sequence and interacting with poly(A) polymerase and other factors to bring about cleavage and poly(A) addition. Required for the cotranscriptional processing of 3'- ends of polyadenylated and histone pre-mRNA. (756 aa) | ||||
Slbp | Histone RNA hairpin-binding protein; Stem-loop binding protein (Slbp) encodes a protein that plays an essential role in 3' end processing of histone pre-mRNAs into mature histone mRNAs by recruiting the product of snRNA:U7 to the pre-mRNA. (276 aa) | ||||
CstF50 | Cleavage stimulation factor 50 kD subunit. (424 aa) | ||||
His2A:CG31618 | Histone H2A; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (124 aa) | ||||
His3:CG31613 | Histone H3; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (136 aa) | ||||
His2B:CG17949 | Histone H2B; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (123 aa) | ||||
Cdk4 | Cyclin-dependent kinase 4 (Cdk4) encodes a protein that contributes to cell cycle progression and cell growth. It is involved in the regulation of JAK-STAT and TORC1 signalling pathways. (317 aa) | ||||
Lsm10 | Lsm10 (Lsm10) encodes a core component of the U7 snRNP complex, which functions in 3' end processing of the non-polyadenylated, replication-dependent histone mRNAs. The product of Lsm10 is part of the heptameric Sm ring complex that binds directly to U7 snRNA. It replaces the protein encoded by SmD1 in the canonical heptameric Sm protein ring that binds spliceosomal snRNAs. (141 aa) | ||||
Lsm11 | FI05704p; Lsm11 (Lsm11) encodes one of the seven proteins that form a heptameric Sm ring in the U7 snRNP, which is a key factor involved in 3' end processing of histone pre-mRNAs. It interacts with the product of FLASH. The two interacting proteins form a biochemical platform that recruits a number of polyadenylation subunits to the U7 snRNP, including the products of Sym, Cpsf100, Cpsf73 and CstF64. (256 aa) | ||||
Cpsf160 | Cleavage and polyadenylation specificity factor subunit 1; Component of the cleavage and polyadenylation specificity factor (CPSF) complex that plays a key role in pre-mRNA 3'-end formation, recognizing the AAUAAA signal sequence and interacting with poly(A) polymerase and other factors to bring about cleavage and poly(A) addition. This subunit is involved in the RNA recognition step of the polyadenylation reaction (By similarity); Belongs to the CPSF1 family. (1455 aa) | ||||
Cdk2 | Cyclin-dependent kinase 2 (Cdk2) encodes a catalytic protein kinase subunit that can only become active after association with the product of CycE. The protein kinase activity of the CycE-Cdk2 complex controls important aspects of progression through the G1 and S phases of the cell cycle. In addition, periodic CycE-Cdk2 activity regulates progression through endoreduplication cycles; Belongs to the protein kinase superfamily. CMGC Ser/Thr protein kinase family. CDC2/CDKX subfamily. (314 aa) | ||||
hrg | Hiiragi, isoform D; Hiiragi (hrg) encodes the canonical poly(A) polymerase required for the nuclear poly(A) tail synthesis at the mRNA 3'-end. hrg product is also involved in cytoplasmic polyadenylation of specific mRNAs during early to mid-oogenesis, through its interaction with the CPEB (cytoplasmic polyadenylation element binding) protein encoded by orb. (827 aa) | ||||
His3.3A | Histone H3.3A; Variant histone H3 which replaces conventional H3 in a wide range of nucleosomes in active genes and is specifically enriched in modifications associated with active chromatin. Constitutes the predominant form of histone H3 in non-dividing cells and is incorporated into chromatin independently of DNA synthesis. Deposited at sites of nucleosomal displacement throughout transcribed genes, suggesting that it represents an epigenetic imprint of transcriptionally active chromatin. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular mach [...] (136 aa) | ||||
mxc | Multi sex combs (mxc) encodes a Cylin E/Cdk2 substrate and molecular scaffold that is necessary for assembly of the histone locus body, which is a nuclear body associated with replication dependent histone gene clusters that contains factors necessary for the transcription and processing of histone mRNA. (1837 aa) | ||||
Cdk9 | Positive transcription elongation factor b small subunit; Cyclin-dependent kinase 9 (Cdk9) encodes a cyclin dependent kinase that along with the product of CycT forms the positive transcription elongation factor, which is involved in RNA polymerase II elongation control. (404 aa) | ||||
SsRbeta | Translocon-associated protein subunit beta; TRAP proteins are part of a complex whose function is to bind calcium to the ER membrane and thereby regulate the retention of ER resident proteins. (190 aa) | ||||
CycA | G2/mitotic-specific cyclin-A; Cyclin A (CycA) encodes a protein that binds to the product of Cdk1, thereby promoting Cdk1's protein kinase activity. The CycA-Cdk1 complex controls important aspects of progression through the cell cycle, including entry into mitosis. During the G2 phase, this complex is important for prevention of premature DNA re-replication. During mitosis and G1, the product of CycA is rapidly degraded (involving APC/C and the proteasome), resulting in inactivation of Cdk1 protein kinase activity. (491 aa) | ||||
Nelf-E | Negative elongation factor E; Essential component of the NELF complex, a complex that negatively regulates the elongation of transcription by RNA polymerase II by RNA polymerase II. The NELF complex, which acts via an association with the DSIF complex, causes transcriptional pausing. Belongs to the RRM NELF-E family. (280 aa) | ||||
Sym | Symplekin (Sym) encodes a large protein that contains many protein interaction sites, and acts as a scaffold for protein complexes in the nucleus. It functions in RNA 3' end formation for both polyadenyated mRNAs and non-polyadenylated histone mRNAs. In some cells it also localizes to the cell cortex, especially the tricellular junctions of some epithelia. (1165 aa) | ||||
His4r | Histone H4; Core component of nucleosome. Nucleosomes wrap and compact DNA into chromatin, limiting DNA accessibility to the cellular machineries which require DNA as a template. Histones thereby play a central role in transcription regulation, DNA repair, DNA replication and chromosomal stability. DNA accessibility is regulated via a complex set of post-translational modifications of histones, also called histone code, and nucleosome remodeling. (103 aa) | ||||
CstF64 | Cleavage stimulation factor 64 kD subunit (CstF64) encodes an RNA-binding protein that is part of the cleavage stimulation factor (CstF) complex. As part of the CstF complex, it interacts with the polyadenylation protein encoded bysu(f). The product of CstF64 is necessary for the cleavage and polyadenylation of most mRNAs and for 3' end processing of mRNAs that encode the replication-dependent histones. (419 aa) | ||||
Cpsf73 | Cleavage and polyadenylation specificity factor 73; Component of the cleavage and polyadenylation specificity factor (CPSF) complex that plays a key role in pre-mRNA 3'-end formation, recognizing the AAUAAA signal sequence and interacting with poly(A) polymerase and other factors to bring about cleavage and poly(A) addition. Has endonuclease activity and functions as mRNA 3'- end-processing endonuclease. Required for the cotranscriptional processing of 3'-ends of polyadenylated and histone pre-mRNA. Belongs to the metallo-beta-lactamase superfamily. RNA- metabolizing metallo-beta-lacta [...] (684 aa) |