The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was: waiting to be named.

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 46: RNA-binding protein 14 isoform X1

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 10 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
26 Q94901 (/NAS) Q94901 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(16 more)
Transcription coregulator activity GO:0003712
A protein or a member of a complex that interacts specifically and non-covalently with a DNA-bound DNA-binding transcription factor to either activate or repress the transcription of specific genes. Coregulators often act by altering chromatin structure and modifications. For example, one class of transcription coregulators modifies chromatin structure through covalent modification of histones. A second ATP-dependent class modifies the conformation of chromatin. A third class modulates interactions of DNA-binding transcription factor with other transcription coregulators.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
24 Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA) Q96PK6 (/HDA)
(14 more)
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
24 Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI)
(14 more)
Nuclear receptor transcription coactivator activity GO:0030374
The function of a transcription cofactor that activates transcription in conjuction with a ligand-dependent nuclear receptor from a RNA polymerase II promoter; does not bind DNA itself.
24 Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI)
(14 more)
Protein binding, bridging GO:0030674
The binding activity of a molecule that brings together two or more protein molecules, or a protein and another macromolecule or complex, through a selective, non-covalent, often stoichiometric interaction, permitting those molecules to function in a coordinated way.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
Nuclear receptor transcription coactivator activity GO:0030374
The function of a transcription cofactor that activates transcription in conjuction with a ligand-dependent nuclear receptor from a RNA polymerase II promoter; does not bind DNA itself.
3 Q62019 (/ISS) Q8C2Q3 (/ISS) Q8C2Q3 (/ISS)
RNA binding GO:0003723
Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
2 Q94901 (/IDA) Q94901 (/IDA)
MRNA binding GO:0003729
Interacting selectively and non-covalently with messenger RNA (mRNA), an intermediate molecule between DNA and protein. mRNA includes UTR and coding sequences, but does not contain introns.
2 Q94901 (/ISS) Q94901 (/ISS)
Nuclear receptor transcription coactivator activity GO:0030374
The function of a transcription cofactor that activates transcription in conjuction with a ligand-dependent nuclear receptor from a RNA polymerase II promoter; does not bind DNA itself.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)

There are 39 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Centriole assembly GO:0098534
A cellular process that results in the assembly of one or more centrioles.
26 Q8C2Q3 (/IMP) Q8C2Q3 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP)
(16 more)
Activation of innate immune response GO:0002218
Any process that initiates an innate immune response. Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens. Examples of this process include activation of the hypersensitive response of Arabidopsis thaliana and activation of any NOD or TLR signaling pathway in vertebrate species.
24 Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA)
(14 more)
DNA replication GO:0006260
The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
DNA repair GO:0006281
The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
DNA recombination GO:0006310
Any process in which a new genotype is formed by reassortment of genes resulting in gene combinations different from those that were present in the parents. In eukaryotes genetic recombination can occur by chromosome assortment, intrachromosomal recombination, or nonreciprocal interchromosomal recombination. Interchromosomal recombination occurs by crossing over. In bacteria it may occur by genetic transformation, conjugation, transduction, or F-duction.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
Response to hormone GO:0009725
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a hormone stimulus.
24 Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS)
(14 more)
Histone deacetylation GO:0016575
The modification of histones by removal of acetyl groups.
24 Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI)
(14 more)
Intracellular estrogen receptor signaling pathway GO:0030520
Any series of molecular signals generated as a consequence of an intracellular estrogen receptor binding to one of its physiological ligands. The pathway begins with receptor-ligand binding, and ends with regulation of a downstream cellular process (e.g. transcription).
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
Glucocorticoid receptor signaling pathway GO:0042921
Any series of molecular signals generated as a consequence of a glucocorticoid binding to its receptor.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
24 Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA)
(14 more)
Negative regulation of centriole replication GO:0046600
Any process that stops, prevents, or reduces the frequency, rate or extent of centriole replication.
24 Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP) Q96PK6 (/IMP)
(14 more)
Centriole assembly GO:0098534
A cellular process that results in the assembly of one or more centrioles.
4 Q5EA36 (/ISS) Q5EA36 (/ISS) Q5RC41 (/ISS) Q5RC41 (/ISS)
Histone deacetylation GO:0016575
The modification of histones by removal of acetyl groups.
3 Q62019 (/ISS) Q8C2Q3 (/ISS) Q8C2Q3 (/ISS)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
3 Q62019 (/ISS) Q8C2Q3 (/ISS) Q8C2Q3 (/ISS)
Mitotic cell cycle GO:0000278
Progression through the phases of the mitotic cell cycle, the most common eukaryotic cell cycle, which canonically comprises four successive phases called G1, S, G2, and M and includes replication of the genome and the subsequent segregation of chromosomes into daughter cells. In some variant cell cycles nuclear replication or nuclear division may not be followed by cell division, or G1 and G2 phases may be absent.
2 Q94901 (/HMP) Q94901 (/HMP)
MRNA splicing, via spliceosome GO:0000398
The joining together of exons from one or more primary transcripts of messenger RNA (mRNA) and the excision of intron sequences, via a spliceosomal mechanism, so that mRNA consisting only of the joined exons is produced.
2 Q94901 (/IC) Q94901 (/IC)
Activation of innate immune response GO:0002218
Any process that initiates an innate immune response. Innate immune responses are defense responses mediated by germline encoded components that directly recognize components of potential pathogens. Examples of this process include activation of the hypersensitive response of Arabidopsis thaliana and activation of any NOD or TLR signaling pathway in vertebrate species.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Cytoplasmic transport, nurse cell to oocyte GO:0007303
The directed movement of cytoplasmic constituents synthesized in the nurse cells to the oocyte.
2 Q94901 (/IMP) Q94901 (/IMP)
Eclosion GO:0007562
The emergence of an adult insect from a pupa case.
2 Q94901 (/TAS) Q94901 (/TAS)
Circadian rhythm GO:0007623
Any biological process in an organism that recurs with a regularity of approximately 24 hours.
2 Q94901 (/IMP) Q94901 (/IMP)
Circadian rhythm GO:0007623
Any biological process in an organism that recurs with a regularity of approximately 24 hours.
2 Q94901 (/NAS) Q94901 (/NAS)
Eclosion rhythm GO:0008062
The timing of the emergence of the adult fly from its pupal case, which usually occurs at dawn.
2 Q94901 (/IMP) Q94901 (/IMP)
Eclosion rhythm GO:0008062
The timing of the emergence of the adult fly from its pupal case, which usually occurs at dawn.
2 Q94901 (/NAS) Q94901 (/NAS)
Eclosion rhythm GO:0008062
The timing of the emergence of the adult fly from its pupal case, which usually occurs at dawn.
2 Q94901 (/TAS) Q94901 (/TAS)
Protein localization GO:0008104
Any process in which a protein is transported to, or maintained in, a specific location.
2 Q94901 (/IMP) Q94901 (/IMP)
Embryo development ending in birth or egg hatching GO:0009792
The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell.
2 Q94901 (/IMP) Q94901 (/IMP)
Histone deacetylation GO:0016575
The modification of histones by removal of acetyl groups.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Actin cytoskeleton organization GO:0030036
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
2 Q94901 (/IMP) Q94901 (/IMP)
Regulation of circadian rhythm GO:0042752
Any process that modulates the frequency, rate or extent of a circadian rhythm. A circadian rhythm is a biological process in an organism that recurs with a regularity of approximately 24 hours.
2 Q94901 (/IGI) Q94901 (/IGI)
Regulation of circadian rhythm GO:0042752
Any process that modulates the frequency, rate or extent of a circadian rhythm. A circadian rhythm is a biological process in an organism that recurs with a regularity of approximately 24 hours.
2 Q94901 (/IMP) Q94901 (/IMP)
Locomotor rhythm GO:0045475
The rhythm of the locomotor activity of an organism during its 24 hour activity cycle.
2 Q94901 (/IMP) Q94901 (/IMP)
Locomotor rhythm GO:0045475
The rhythm of the locomotor activity of an organism during its 24 hour activity cycle.
2 Q94901 (/TAS) Q94901 (/TAS)
Negative regulation of eclosion GO:0045804
Any process that stops, prevents, or reduces the frequency, rate or extent of eclosion.
2 Q94901 (/IMP) Q94901 (/IMP)
Positive regulation of transcription by RNA polymerase II GO:0045944
Any process that activates or increases the frequency, rate or extent of transcription from an RNA polymerase II promoter.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Regulation of embryonic development GO:0045995
Any process that modulates the frequency, rate or extent of embryonic development.
2 Q94901 (/IMP) Q94901 (/IMP)
Negative regulation of centriole replication GO:0046600
Any process that stops, prevents, or reduces the frequency, rate or extent of centriole replication.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
SMAD protein signal transduction GO:0060395
The cascade of processes by which a signal interacts with a receptor, causing a change in the activity of a SMAD protein, and ultimately effecting a change in the functioning of the cell.
2 Q8C2Q3 (/IDA) Q8C2Q3 (/IDA)
Centriole assembly GO:0098534
A cellular process that results in the assembly of one or more centrioles.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Positive regulation of cytoplasmic translation GO:2000767
Any process that activates or increases the frequency, rate or extent of cytoplasmic translation.
2 Q94901 (/IMP) Q94901 (/IMP)

There are 16 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Nuclear speck GO:0016607
A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
48 A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA) A0A0S2Z4Z0 (/IDA)
(38 more)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
26 Q94901 (/IDA) Q94901 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA)
(16 more)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
26 Q94901 (/IDA) Q94901 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA) Q96PK6 (/IDA)
(16 more)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
24 Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS)
(14 more)
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
24 Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI) Q96PK6 (/IPI)
(14 more)
Mediator complex GO:0016592
A protein complex that interacts with the carboxy-terminal domain of the largest subunit of RNA polymerase II and plays an active role in transducing the signal from a transcription factor to the transcriptional machinery. The mediator complex is required for activation of transcription of most protein-coding genes, but can also act as a transcriptional corepressor. The Saccharomyces complex contains several identifiable subcomplexes: a head domain comprising Srb2, -4, and -5, Med6, -8, and -11, and Rox3 proteins; a middle domain comprising Med1, -4, and -7, Nut1 and -2, Cse2, Rgr1, Soh1, and Srb7 proteins; a tail consisting of Gal11p, Med2p, Pgd1p, and Sin4p; and a regulatory subcomplex comprising Ssn2, -3, and -8, and Srb8 proteins. Metazoan mediator complexes have similar modular structures and include homologs of yeast Srb and Med proteins.
24 Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS) Q96PK6 (/NAS)
(14 more)
Ribonucleoprotein complex GO:1990904
A macromolecular complex containing both protein and RNA molecules.
24 Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS) Q96PK6 (/TAS)
(14 more)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
4 Q5EA36 (/ISS) Q5EA36 (/ISS) Q5RC41 (/ISS) Q5RC41 (/ISS)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
4 Q5EA36 (/ISS) Q5EA36 (/ISS) Q5RC41 (/ISS) Q5RC41 (/ISS)
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
3 Q62019 (/ISS) Q8C2Q3 (/ISS) Q8C2Q3 (/ISS)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Nuclear speck GO:0016607
A discrete extra-nucleolar subnuclear domain, 20-50 in number, in which splicing factors are seen to be localized by immunofluorescence microscopy.
2 Q8C2Q3 (/ISO) Q8C2Q3 (/ISO)
Precatalytic spliceosome GO:0071011
A spliceosomal complex that is formed by the recruitment of a preassembled U5-containing tri-snRNP to the prespliceosome. Although all 5 snRNPs are present, the precatalytic spliceosome is catalytically inactive. The precatalytic spliceosome includes many proteins in addition to those found in the associated snRNPs.
2 Q94901 (/HDA) Q94901 (/HDA)
Catalytic step 2 spliceosome GO:0071013
A spliceosomal complex that contains three snRNPs, including U5, bound to a splicing intermediate in which the first catalytic cleavage of the 5' splice site has occurred. The precise subunit composition differs significantly from that of the catalytic step 1, or activated, spliceosome, and includes many proteins in addition to those found in the associated snRNPs.
2 Q94901 (/HDA) Q94901 (/HDA)