5lqw

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== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/PRP45_YEAST PRP45_YEAST]] Involved in pre-mRNA splicing. Associated with the spliceosome throughout the splicing reactions, until after the second catalytic step.<ref>PMID:12359070</ref> <ref>PMID:12554883</ref> [[http://www.uniprot.org/uniprot/RSMB_YEAST RSMB_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/CWC22_YEAST CWC22_YEAST]] May be involved in pre-mRNA splicing. [[http://www.uniprot.org/uniprot/SMD1_YEAST SMD1_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Also binds telomerase RNA and is required for its accumulation.<ref>PMID:10490028</ref> <ref>PMID:8430095</ref> [[http://www.uniprot.org/uniprot/SN114_YEAST SN114_YEAST]] Component of the U5 snRNP complex required for pre-mRNA splicing. Binds GTP. [[http://www.uniprot.org/uniprot/CEF1_YEAST CEF1_YEAST]] Involved in pre-mRNA splicing and cell cycle control. Required for the binding of the NTC complex (or PRP19-associated complex) components to the spliceosome to mediate conformational rearrangement or to stabilize the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation. Its absence leads to an arrest of the cell cycle, possibly due to the inefficient splicing of TUB1.<ref>PMID:10092627</ref> <ref>PMID:10570151</ref> <ref>PMID:11784857</ref> <ref>PMID:9632794</ref> [[http://www.uniprot.org/uniprot/SMD3_YEAST SMD3_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Also binds telomerase RNA and is required for its accumulation.<ref>PMID:10490028</ref> <ref>PMID:7799953</ref> [[http://www.uniprot.org/uniprot/PRP8_YEAST PRP8_YEAST]] Required for pre-spliceosome formation, which is the first step of pre-mRNA splicing. This protein is associated with snRNP U5. Has a role in branch site-3' splice site selection. Associates with the branch site-3' splice 3'-exon region. Also has a role in cell cycle.<ref>PMID:2835658</ref> <ref>PMID:9150140</ref> <ref>PMID:12773561</ref> <ref>PMID:18779563</ref> [[http://www.uniprot.org/uniprot/RSE1_YEAST RSE1_YEAST]] Involved in G2/M transition (By similarity). Required for pre-mRNA splicing and endoplasmic reticulum (ER) to Golgi secretion pathway. U2 snRNPs associated protein required for the pre-spliceosome assembly. The involvement in ER to Golgi secretion is probably indirect and due to the splicing of the pre-mRNA coding for SAR1, a small GTP-binding protein required for COPII vesicle formation from the ER.<ref>PMID:10369685</ref> <ref>PMID:9819400</ref> [[http://www.uniprot.org/uniprot/RUXE_YEAST RUXE_YEAST]] Involved in pre-mRNA splicing. Binds and is required for the stability of snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Involved in cap modification.<ref>PMID:8918241</ref> [[http://www.uniprot.org/uniprot/PRP2_YEAST PRP2_YEAST]] Involved in pre-mRNA splicing. Is required together with ATP and at least one other factor, for the first cleavage-ligation reaction. Functions as a molecular motor in the activation of the precatalytic spliceosome for the first transesterification reaction of pre-mRNA splicing by hydrolyzing ATP to cause the activation of the spliceosome without the occurrence of splicing. Capable of hydrolyzing nucleoside triphosphates in the presence of single-stranded RNAs such as poly(U).<ref>PMID:14730020</ref> <ref>PMID:1534753</ref> <ref>PMID:2251118</ref> <ref>PMID:8112302</ref> <ref>PMID:8943336</ref> [[http://www.uniprot.org/uniprot/CLF1_YEAST CLF1_YEAST]] Involved in pre-mRNA splicing and cell cycle progression. Required for the spliceosome assembly by promoting the functional integration of the U4/U6.U5 tri-snRNP particle into the U1-, U2-dependent pre-spliceosome. Also recruits PRP19 to the spliceosome, as a component of the NTC complex (or PRP19-associated complex). The association of the NTC complex to the spliceosome mediates conformational rearrangement or stabilizes the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation. Required for initiation of the DNA replication by binding the RNA replication origins, probably through its interaction with the origin recognition complex (ORC).<ref>PMID:10445879</ref> <ref>PMID:11102353</ref> <ref>PMID:11105756</ref> <ref>PMID:11973290</ref> <ref>PMID:12509417</ref> [[http://www.uniprot.org/uniprot/CWC2_YEAST CWC2_YEAST]] Involved in the first step of pre-mRNA splicing. Required for cell growth and cell cycle control. Plays a role in the levels of the U1, U4, U5 and U6 snRNAs and the maintenance of the U4/U6 snRNA complex. May provide the link between the "nineteen complex" NTC spliceosome protein complex and the spliceosome through the U6 snRNA. Associates predominantly with U6 snRNAs in assembled active spliceosomes. Binds directly to the internal stem-loop (ISL) domain of the U6 snRNA and to the pre-mRNA intron near the 5' splice site during the activation and catalytic phases of the spliceosome cycle. Binds also to U1, U4, U5 and U6 snRNAs and to pre-mRNAs, in vitro. Is not required for the Prp2-mediated remodeling of the activated spliceosome.<ref>PMID:19435883</ref> <ref>PMID:22246180</ref> [[http://www.uniprot.org/uniprot/SMD2_YEAST SMD2_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/RUXG_YEAST RUXG_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/BRR2_YEAST BRR2_YEAST]] RNA helicase that plays an essential role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome.<ref>PMID:19098916</ref> <ref>PMID:23124065</ref> <ref>PMID:19716790</ref> <ref>PMID:19525970</ref> [[http://www.uniprot.org/uniprot/PRP46_YEAST PRP46_YEAST]] Involved in pre-mRNA splicing. May also be required for cell cycle progression at G2/M (By similarity).<ref>PMID:12554883</ref> [[http://www.uniprot.org/uniprot/PML1_YEAST PML1_YEAST]] Required for efficient splicing and pre-mRNA nuclear retention.<ref>PMID:15565172</ref> [[http://www.uniprot.org/uniprot/SYF1_YEAST SYF1_YEAST]] Involved in pre-mRNA splicing and cell cycle control. As a component of the NTC complex (or PRP19-associated complex), associates to the spliceosome to mediate conformational rearrangement or to stabilize the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation.<ref>PMID:11102353</ref> <ref>PMID:11105756</ref> [[http://www.uniprot.org/uniprot/SF3B1_YEAST SF3B1_YEAST]] Contacts pre-mRNA on both sides of the branch site early in spliceosome assembly. [[http://www.uniprot.org/uniprot/YSF3_YEAST YSF3_YEAST]] Involved in pre-mRNA splicing. Required for the SF3b integrity and prespliceosome assembly.<ref>PMID:16314500</ref> [[http://www.uniprot.org/uniprot/IST3_YEAST IST3_YEAST]] Required for pre-mRNA splicing and spliceosome assembly. As part of the pre-mRNA retention and splicing (RES) complex, required for nuclear pre-mRNA retention and efficient splicing. Required for MER1-activated splicing.<ref>PMID:11287609</ref> <ref>PMID:15565172</ref> <ref>PMID:14973223</ref> [[http://www.uniprot.org/uniprot/SLT11_YEAST SLT11_YEAST]] Involved in pre-mRNA splicing. Facilitates the cooperative formation of U2/U6 helix II in association with stem II in the spliceosome. Binds to RNA.<ref>PMID:11158289</ref> <ref>PMID:9528778</ref> [[http://www.uniprot.org/uniprot/RUXF_YEAST RUXF_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/CWC26_YEAST CWC26_YEAST]] Required for efficient splicing and pre-mRNA nuclear retention. May also be involved in positioning the proximal bud pole signal.<ref>PMID:8657162</ref> <ref>PMID:11452010</ref> <ref>PMID:12871902</ref> <ref>PMID:15565172</ref> [[http://www.uniprot.org/uniprot/RDS3_YEAST RDS3_YEAST]] Required for pre-mRNA splicing. Involved in regulation of drug sensitivity and may play a role in multidrug resistance.<ref>PMID:11943786</ref> <ref>PMID:14517302</ref> [[http://www.uniprot.org/uniprot/BUD31_YEAST BUD31_YEAST]] Involved in pre-mRNA splicing. Important for bud site selection.
+
[[http://www.uniprot.org/uniprot/PRP45_YEAST PRP45_YEAST]] Involved in pre-mRNA splicing. Associated with the spliceosome throughout the splicing reactions, until after the second catalytic step.<ref>PMID:12359070</ref> <ref>PMID:12554883</ref> [[http://www.uniprot.org/uniprot/RSMB_YEAST RSMB_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/CWC22_YEAST CWC22_YEAST]] May be involved in pre-mRNA splicing. [[http://www.uniprot.org/uniprot/SMD1_YEAST SMD1_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Also binds telomerase RNA and is required for its accumulation.<ref>PMID:10490028</ref> <ref>PMID:8430095</ref> [[http://www.uniprot.org/uniprot/CEF1_YEAST CEF1_YEAST]] Involved in pre-mRNA splicing and cell cycle control. Required for the binding of the NTC complex (or PRP19-associated complex) components to the spliceosome to mediate conformational rearrangement or to stabilize the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation. Its absence leads to an arrest of the cell cycle, possibly due to the inefficient splicing of TUB1.<ref>PMID:10092627</ref> <ref>PMID:10570151</ref> <ref>PMID:11784857</ref> <ref>PMID:9632794</ref> [[http://www.uniprot.org/uniprot/SN114_YEAST SN114_YEAST]] Component of the U5 snRNP complex required for pre-mRNA splicing. Binds GTP. [[http://www.uniprot.org/uniprot/SMD3_YEAST SMD3_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Also binds telomerase RNA and is required for its accumulation.<ref>PMID:10490028</ref> <ref>PMID:7799953</ref> [[http://www.uniprot.org/uniprot/PRP8_YEAST PRP8_YEAST]] Required for pre-spliceosome formation, which is the first step of pre-mRNA splicing. This protein is associated with snRNP U5. Has a role in branch site-3' splice site selection. Associates with the branch site-3' splice 3'-exon region. Also has a role in cell cycle.<ref>PMID:2835658</ref> <ref>PMID:9150140</ref> <ref>PMID:12773561</ref> <ref>PMID:18779563</ref> [[http://www.uniprot.org/uniprot/RSE1_YEAST RSE1_YEAST]] Involved in G2/M transition (By similarity). Required for pre-mRNA splicing and endoplasmic reticulum (ER) to Golgi secretion pathway. U2 snRNPs associated protein required for the pre-spliceosome assembly. The involvement in ER to Golgi secretion is probably indirect and due to the splicing of the pre-mRNA coding for SAR1, a small GTP-binding protein required for COPII vesicle formation from the ER.<ref>PMID:10369685</ref> <ref>PMID:9819400</ref> [[http://www.uniprot.org/uniprot/RUXE_YEAST RUXE_YEAST]] Involved in pre-mRNA splicing. Binds and is required for the stability of snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. Involved in cap modification.<ref>PMID:8918241</ref> [[http://www.uniprot.org/uniprot/CLF1_YEAST CLF1_YEAST]] Involved in pre-mRNA splicing and cell cycle progression. Required for the spliceosome assembly by promoting the functional integration of the U4/U6.U5 tri-snRNP particle into the U1-, U2-dependent pre-spliceosome. Also recruits PRP19 to the spliceosome, as a component of the NTC complex (or PRP19-associated complex). The association of the NTC complex to the spliceosome mediates conformational rearrangement or stabilizes the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation. Required for initiation of the DNA replication by binding the RNA replication origins, probably through its interaction with the origin recognition complex (ORC).<ref>PMID:10445879</ref> <ref>PMID:11102353</ref> <ref>PMID:11105756</ref> <ref>PMID:11973290</ref> <ref>PMID:12509417</ref> [[http://www.uniprot.org/uniprot/PRP2_YEAST PRP2_YEAST]] Involved in pre-mRNA splicing. Is required together with ATP and at least one other factor, for the first cleavage-ligation reaction. Functions as a molecular motor in the activation of the precatalytic spliceosome for the first transesterification reaction of pre-mRNA splicing by hydrolyzing ATP to cause the activation of the spliceosome without the occurrence of splicing. Capable of hydrolyzing nucleoside triphosphates in the presence of single-stranded RNAs such as poly(U).<ref>PMID:14730020</ref> <ref>PMID:1534753</ref> <ref>PMID:2251118</ref> <ref>PMID:8112302</ref> <ref>PMID:8943336</ref> [[http://www.uniprot.org/uniprot/SMD2_YEAST SMD2_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/RUXG_YEAST RUXG_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/CWC2_YEAST CWC2_YEAST]] Involved in the first step of pre-mRNA splicing. Required for cell growth and cell cycle control. Plays a role in the levels of the U1, U4, U5 and U6 snRNAs and the maintenance of the U4/U6 snRNA complex. May provide the link between the "nineteen complex" NTC spliceosome protein complex and the spliceosome through the U6 snRNA. Associates predominantly with U6 snRNAs in assembled active spliceosomes. Binds directly to the internal stem-loop (ISL) domain of the U6 snRNA and to the pre-mRNA intron near the 5' splice site during the activation and catalytic phases of the spliceosome cycle. Binds also to U1, U4, U5 and U6 snRNAs and to pre-mRNAs, in vitro. Is not required for the Prp2-mediated remodeling of the activated spliceosome.<ref>PMID:19435883</ref> <ref>PMID:22246180</ref> [[http://www.uniprot.org/uniprot/BRR2_YEAST BRR2_YEAST]] RNA helicase that plays an essential role in pre-mRNA splicing as component of the U5 snRNP and U4/U6-U5 tri-snRNP complexes. Involved in spliceosome assembly, activation and disassembly. Mediates changes in the dynamic network of RNA-RNA interactions in the spliceosome. Catalyzes the ATP-dependent unwinding of U4/U6 RNA duplices, an essential step in the assembly of a catalytically active spliceosome.<ref>PMID:19098916</ref> <ref>PMID:23124065</ref> <ref>PMID:19716790</ref> <ref>PMID:19525970</ref> [[http://www.uniprot.org/uniprot/PRP46_YEAST PRP46_YEAST]] Involved in pre-mRNA splicing. May also be required for cell cycle progression at G2/M (By similarity).<ref>PMID:12554883</ref> [[http://www.uniprot.org/uniprot/PML1_YEAST PML1_YEAST]] Required for efficient splicing and pre-mRNA nuclear retention.<ref>PMID:15565172</ref> [[http://www.uniprot.org/uniprot/YSF3_YEAST YSF3_YEAST]] Involved in pre-mRNA splicing. Required for the SF3b integrity and prespliceosome assembly.<ref>PMID:16314500</ref> [[http://www.uniprot.org/uniprot/SYF1_YEAST SYF1_YEAST]] Involved in pre-mRNA splicing and cell cycle control. As a component of the NTC complex (or PRP19-associated complex), associates to the spliceosome to mediate conformational rearrangement or to stabilize the structure of the spliceosome after U4 snRNA dissociation, which leads to spliceosome maturation.<ref>PMID:11102353</ref> <ref>PMID:11105756</ref> [[http://www.uniprot.org/uniprot/SF3B1_YEAST SF3B1_YEAST]] Contacts pre-mRNA on both sides of the branch site early in spliceosome assembly. [[http://www.uniprot.org/uniprot/IST3_YEAST IST3_YEAST]] Required for pre-mRNA splicing and spliceosome assembly. As part of the pre-mRNA retention and splicing (RES) complex, required for nuclear pre-mRNA retention and efficient splicing. Required for MER1-activated splicing.<ref>PMID:11287609</ref> <ref>PMID:15565172</ref> <ref>PMID:14973223</ref> [[http://www.uniprot.org/uniprot/SLT11_YEAST SLT11_YEAST]] Involved in pre-mRNA splicing. Facilitates the cooperative formation of U2/U6 helix II in association with stem II in the spliceosome. Binds to RNA.<ref>PMID:11158289</ref> <ref>PMID:9528778</ref> [[http://www.uniprot.org/uniprot/RUXF_YEAST RUXF_YEAST]] Involved in pre-mRNA splicing. Binds snRNA U1, U2, U4 and U5 which contain a highly conserved structural motif called the Sm binding site. [[http://www.uniprot.org/uniprot/RDS3_YEAST RDS3_YEAST]] Required for pre-mRNA splicing. Involved in regulation of drug sensitivity and may play a role in multidrug resistance.<ref>PMID:11943786</ref> <ref>PMID:14517302</ref> [[http://www.uniprot.org/uniprot/CWC26_YEAST CWC26_YEAST]] Required for efficient splicing and pre-mRNA nuclear retention. May also be involved in positioning the proximal bud pole signal.<ref>PMID:8657162</ref> <ref>PMID:11452010</ref> <ref>PMID:12871902</ref> <ref>PMID:15565172</ref> [[http://www.uniprot.org/uniprot/BUD31_YEAST BUD31_YEAST]] Involved in pre-mRNA splicing. Important for bud site selection.
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== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==

Revision as of 04:06, 30 August 2017

yeast activated spliceosome

5lqw, resolution 5.80Å

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