3krm

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[[Image:3krm.png|left|200px]]
 
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{{STRUCTURE_3krm| PDB=3krm | SCENE= }}
{{STRUCTURE_3krm| PDB=3krm | SCENE= }}
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===Imp1 kh34===
===Imp1 kh34===
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{{ABSTRACT_PUBMED_20080952}}
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==Function==
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[[http://www.uniprot.org/uniprot/IF2B1_HUMAN IF2B1_HUMAN]] RNA-binding factor that affects mRNA nuclear export, localization, stability and translation. Component of the CRD-mediated complex that promotes MYC mRNA stabilization. Regulates mRNA stability during the integrated cellular stress response (ISR) in stress granules (SGs). Stabilizes the BTRC/FBW1A mRNA from degradation by disrupting miRNA-dependent interaction with AGO2. Identified in a HCV IRES-mediated translation complex, that enhances translation at the Hepatitis C virus (HCV) RNA-replicon via the internal ribosome entry site (IRES), but does not affect 5'cap-dependent translation. Acts as a HIV-1 retrovirus restriction factor that reduces HIV-1 assembly by inhibiting viral RNA packaging, assembly and processing of HIV-1 GAG protein on cellular membranes. Binds to mRNAs in stress granules (SGs). Binds to the stem-loop IV of the 5'-UTR and to the variable region and the poly(U-C) motif of the 3'-UTR of the HCV RNA-replicon. Binds to the 5'-UTR of the insulin-like growth factor 2 (IGF2) mRNA and regulates its subcellular localization and translation. Binds both to the coding region mRNA stability determinant (CRD) and to AU-rich sequences in the 3'-UTR of the MYC and CD44 mRNAs and stabilizes these mRNAs. Binds to the fourth and fifth exons of the oncofetal H19 and neuron-specific TAU mRNAs and regulates their localizations. Binds to the adenine-rich autoregulatory sequence (ARS) 5'-UTR of the PABPC1 mRNA and is involved in its translational repression. The RNA-binding activity to ARS is stimulated by PABPC1. Binds to the coding sequence region of BTRC/FBW1A mRNA and mediates stabilization of BTRC/FBW1A and MYC mRNAs in response to beta-catenin signaling. Binding to RNA employs a cooperative, sequential mechanism of homo- or heterodimerisation. Also involved in growth or survival of lung-cancer cells. Protects the MYC and MDR-1 mRNAs from cleavage by a endoribonuclease, thus prolonging their stabilities (By similarity). Binds to the 3'-UTR axonal localization signal (ALS) of TAU mRNA (By similarity). Binds to a conserved 54-nucleotide element in the 3'-UTR of the beta actin mRNA known as the 'zipcode' (By similarity). Promotes translocation of the beta-actin mRNA to dendrites (By similarity). May act as a regulator of mRNA transport to activated synapses in response to synaptic activity (By similarity).<ref>PMID:9891060</ref> <ref>PMID:16356927</ref> <ref>PMID:8132663</ref> <ref>PMID:10875929</ref> <ref>PMID:12024010</ref> <ref>PMID:16541107</ref> <ref>PMID:17101699</ref> <ref>PMID:16778892</ref> <ref>PMID:17255263</ref> <ref>PMID:17893325</ref> <ref>PMID:18385235</ref> <ref>PMID:19647520</ref> <ref>PMID:19029303</ref> <ref>PMID:19541769</ref> <ref>PMID:20080952</ref>
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{{ABSTRACT_PUBMED_20080952}}
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==About this Structure==
==About this Structure==
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3KRM is a 3 chains structure with sequences from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KRM OCA].
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[[3krm]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3KRM OCA].
==Reference==
==Reference==
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<ref group="xtra">PMID:20080952</ref><references group="xtra"/>
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<ref group="xtra">PMID:020080952</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Almo, S C.]]
[[Category: Almo, S C.]]
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[[Category: Singer, R H.]]
[[Category: Singer, R H.]]
[[Category: Cell projection]]
[[Category: Cell projection]]
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[[Category: Cytoplasm]]
 
[[Category: Kh domain]]
[[Category: Kh domain]]
[[Category: Nucleus]]
[[Category: Nucleus]]
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[[Category: Rna-binding]]
[[Category: Rna-binding]]
[[Category: Translation regulation]]
[[Category: Translation regulation]]
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''Page seeded by [http://oca.weizmann.ac.il/oca OCA ] on Thu Feb 25 10:02:42 2010''
 

Revision as of 02:44, 4 April 2013

Template:STRUCTURE 3krm

Contents

Imp1 kh34

Template:ABSTRACT PUBMED 20080952

Function

[IF2B1_HUMAN] RNA-binding factor that affects mRNA nuclear export, localization, stability and translation. Component of the CRD-mediated complex that promotes MYC mRNA stabilization. Regulates mRNA stability during the integrated cellular stress response (ISR) in stress granules (SGs). Stabilizes the BTRC/FBW1A mRNA from degradation by disrupting miRNA-dependent interaction with AGO2. Identified in a HCV IRES-mediated translation complex, that enhances translation at the Hepatitis C virus (HCV) RNA-replicon via the internal ribosome entry site (IRES), but does not affect 5'cap-dependent translation. Acts as a HIV-1 retrovirus restriction factor that reduces HIV-1 assembly by inhibiting viral RNA packaging, assembly and processing of HIV-1 GAG protein on cellular membranes. Binds to mRNAs in stress granules (SGs). Binds to the stem-loop IV of the 5'-UTR and to the variable region and the poly(U-C) motif of the 3'-UTR of the HCV RNA-replicon. Binds to the 5'-UTR of the insulin-like growth factor 2 (IGF2) mRNA and regulates its subcellular localization and translation. Binds both to the coding region mRNA stability determinant (CRD) and to AU-rich sequences in the 3'-UTR of the MYC and CD44 mRNAs and stabilizes these mRNAs. Binds to the fourth and fifth exons of the oncofetal H19 and neuron-specific TAU mRNAs and regulates their localizations. Binds to the adenine-rich autoregulatory sequence (ARS) 5'-UTR of the PABPC1 mRNA and is involved in its translational repression. The RNA-binding activity to ARS is stimulated by PABPC1. Binds to the coding sequence region of BTRC/FBW1A mRNA and mediates stabilization of BTRC/FBW1A and MYC mRNAs in response to beta-catenin signaling. Binding to RNA employs a cooperative, sequential mechanism of homo- or heterodimerisation. Also involved in growth or survival of lung-cancer cells. Protects the MYC and MDR-1 mRNAs from cleavage by a endoribonuclease, thus prolonging their stabilities (By similarity). Binds to the 3'-UTR axonal localization signal (ALS) of TAU mRNA (By similarity). Binds to a conserved 54-nucleotide element in the 3'-UTR of the beta actin mRNA known as the 'zipcode' (By similarity). Promotes translocation of the beta-actin mRNA to dendrites (By similarity). May act as a regulator of mRNA transport to activated synapses in response to synaptic activity (By similarity).[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15]

About this Structure

3krm is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Chao JA, Patskovsky Y, Patel V, Levy M, Almo SC, Singer RH. ZBP1 recognition of beta-actin zipcode induces RNA looping. Genes Dev. 2010 Jan 15;24(2):148-58. PMID:20080952 doi:24/2/148
  1. ↑ Nielsen J, Christiansen J, Lykke-Andersen J, Johnsen AH, Wewer UM, Nielsen FC. A family of insulin-like growth factor II mRNA-binding proteins represses translation in late development. Mol Cell Biol. 1999 Feb;19(2):1262-70. PMID:9891060
  2. ↑ Patel GP, Ma S, Bag J. The autoregulatory translational control element of poly(A)-binding protein mRNA forms a heteromeric ribonucleoprotein complex. Nucleic Acids Res. 2005 Dec 14;33(22):7074-89. Print 2005. PMID:16356927 doi:33/22/7074
  3. ↑ Prokipcak RD, Herrick DJ, Ross J. Purification and properties of a protein that binds to the C-terminal coding region of human c-myc mRNA. J Biol Chem. 1994 Mar 25;269(12):9261-9. PMID:8132663
  4. ↑ Runge S, Nielsen FC, Nielsen J, Lykke-Andersen J, Wewer UM, Christiansen J. H19 RNA binds four molecules of insulin-like growth factor II mRNA-binding protein. J Biol Chem. 2000 Sep 22;275(38):29562-9. PMID:10875929 doi:10.1074/jbc.M001156200
  5. ↑ Lemm I, Ross J. Regulation of c-myc mRNA decay by translational pausing in a coding region instability determinant. Mol Cell Biol. 2002 Jun;22(12):3959-69. PMID:12024010
  6. ↑ Vikesaa J, Hansen TV, Jonson L, Borup R, Wewer UM, Christiansen J, Nielsen FC. RNA-binding IMPs promote cell adhesion and invadopodia formation. EMBO J. 2006 Apr 5;25(7):1456-68. Epub 2006 Mar 16. PMID:16541107 doi:7601039
  7. ↑ Stohr N, Lederer M, Reinke C, Meyer S, Hatzfeld M, Singer RH, Huttelmaier S. ZBP1 regulates mRNA stability during cellular stress. J Cell Biol. 2006 Nov 20;175(4):527-34. Epub 2006 Nov 13. PMID:17101699 doi:10.1083/jcb.200608071
  8. ↑ Noubissi FK, Elcheva I, Bhatia N, Shakoori A, Ougolkov A, Liu J, Minamoto T, Ross J, Fuchs SY, Spiegelman VS. CRD-BP mediates stabilization of betaTrCP1 and c-myc mRNA in response to beta-catenin signalling. Nature. 2006 Jun 15;441(7095):898-901. PMID:16778892 doi:nature04839
  9. ↑ Kato T, Hayama S, Yamabuki T, Ishikawa N, Miyamoto M, Ito T, Tsuchiya E, Kondo S, Nakamura Y, Daigo Y. Increased expression of insulin-like growth factor-II messenger RNA-binding protein 1 is associated with tumor progression in patients with lung cancer. Clin Cancer Res. 2007 Jan 15;13(2 Pt 1):434-42. PMID:17255263 doi:13/2/434
  10. ↑ Pan F, Huttelmaier S, Singer RH, Gu W. ZBP2 facilitates binding of ZBP1 to beta-actin mRNA during transcription. Mol Cell Biol. 2007 Dec;27(23):8340-51. Epub 2007 Sep 24. PMID:17893325 doi:10.1128/MCB.00972-07
  11. ↑ Zhou Y, Rong L, Lu J, Pan Q, Liang C. Insulin-like growth factor II mRNA binding protein 1 associates with Gag protein of human immunodeficiency virus type 1, and its overexpression affects virus assembly. J Virol. 2008 Jun;82(12):5683-92. doi: 10.1128/JVI.00189-08. Epub 2008 Apr 2. PMID:18385235 doi:10.1128/JVI.00189-08
  12. ↑ Elcheva I, Goswami S, Noubissi FK, Spiegelman VS. CRD-BP protects the coding region of betaTrCP1 mRNA from miR-183-mediated degradation. Mol Cell. 2009 Jul 31;35(2):240-6. doi: 10.1016/j.molcel.2009.06.007. PMID:19647520 doi:10.1016/j.molcel.2009.06.007
  13. ↑ Weidensdorfer D, Stohr N, Baude A, Lederer M, Kohn M, Schierhorn A, Buchmeier S, Wahle E, Huttelmaier S. Control of c-myc mRNA stability by IGF2BP1-associated cytoplasmic RNPs. RNA. 2009 Jan;15(1):104-15. doi: 10.1261/rna.1175909. Epub 2008 Nov 24. PMID:19029303 doi:10.1261/rna.1175909
  14. ↑ Weinlich S, Huttelmaier S, Schierhorn A, Behrens SE, Ostareck-Lederer A, Ostareck DH. IGF2BP1 enhances HCV IRES-mediated translation initiation via the 3'UTR. RNA. 2009 Aug;15(8):1528-42. doi: 10.1261/rna.1578409. Epub 2009 Jun 18. PMID:19541769 doi:10.1261/rna.1578409
  15. ↑ Chao JA, Patskovsky Y, Patel V, Levy M, Almo SC, Singer RH. ZBP1 recognition of beta-actin zipcode induces RNA looping. Genes Dev. 2010 Jan 15;24(2):148-58. PMID:20080952 doi:24/2/148

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