2wvr

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[[Image:2wvr.png|left|200px]]
 
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{{STRUCTURE_2wvr| PDB=2wvr | SCENE= }}
{{STRUCTURE_2wvr| PDB=2wvr | SCENE= }}
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===HUMAN CDT1:GEMININ COMPLEX===
===HUMAN CDT1:GEMININ COMPLEX===
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{{ABSTRACT_PUBMED_19906994}}
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==Disease==
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[[http://www.uniprot.org/uniprot/CDT1_HUMAN CDT1_HUMAN]] Defects in CDT1 are the cause of Meier-Gorlin syndrome type 4 (MGORS4) [MIM:[http://omim.org/entry/613804 613804]]. MGORS4 is a syndrome characterized by bilateral microtia, aplasia/hypoplasia of the patellae, and severe intrauterine and postnatal growth retardation with short stature and poor weight gain. Additional clinical findings include anomalies of cranial sutures, microcephaly, apparently low-set and simple ears, microstomia, full lips, highly arched or cleft palate, micrognathia, genitourinary tract anomalies, and various skeletal anomalies. While almost all cases have primordial dwarfism with substantial prenatal and postnatal growth retardation, not all cases have microcephaly, and microtia and absent/hypoplastic patella are absent in some. Despite the presence of microcephaly, intellect is usually normal.<ref>PMID:21358632</ref><ref>PMID:21358631</ref>
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==Function==
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[[http://www.uniprot.org/uniprot/GEMI_HUMAN GEMI_HUMAN]] Inhibits DNA replication by preventing the incorporation of MCM complex into pre-replication complex (pre-RC). It is degraded during the mitotic phase of the cell cycle. Its destruction at the metaphase-anaphase transition permits replication in the succeeding cell cycle.<ref>PMID:9635433</ref><ref>PMID:14993212</ref><ref>PMID:22615398</ref> Inhibits the transcriptional activity of a subset of Hox proteins, enrolling them in cell proliferative control.<ref>PMID:9635433</ref><ref>PMID:14993212</ref><ref>PMID:22615398</ref> [[http://www.uniprot.org/uniprot/CDT1_HUMAN CDT1_HUMAN]] Cooperates with CDC6 to promote the loading of the mini-chromosome maintenance complex onto chromatin to form the pre-replication complex necessary to initiate DNA replication. Binds DNA in a sequence-, strand-, and conformation-independent manner. Potential oncogene.<ref>PMID:11125146</ref><ref>PMID:21856198</ref><ref>PMID:14672932</ref><ref>PMID:14993212</ref>[UniProtKB:Q8R4E9]
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{{ABSTRACT_PUBMED_19906994}}
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==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:019906994</ref><references group="xtra"/>
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<ref group="xtra">PMID:019906994</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Marco, V De.]]
[[Category: Marco, V De.]]

Revision as of 04:01, 25 March 2013

Template:STRUCTURE 2wvr

Contents

HUMAN CDT1:GEMININ COMPLEX

Template:ABSTRACT PUBMED 19906994

Disease

[CDT1_HUMAN] Defects in CDT1 are the cause of Meier-Gorlin syndrome type 4 (MGORS4) [MIM:613804]. MGORS4 is a syndrome characterized by bilateral microtia, aplasia/hypoplasia of the patellae, and severe intrauterine and postnatal growth retardation with short stature and poor weight gain. Additional clinical findings include anomalies of cranial sutures, microcephaly, apparently low-set and simple ears, microstomia, full lips, highly arched or cleft palate, micrognathia, genitourinary tract anomalies, and various skeletal anomalies. While almost all cases have primordial dwarfism with substantial prenatal and postnatal growth retardation, not all cases have microcephaly, and microtia and absent/hypoplastic patella are absent in some. Despite the presence of microcephaly, intellect is usually normal.[1][2]

Function

[GEMI_HUMAN] Inhibits DNA replication by preventing the incorporation of MCM complex into pre-replication complex (pre-RC). It is degraded during the mitotic phase of the cell cycle. Its destruction at the metaphase-anaphase transition permits replication in the succeeding cell cycle.[3][4][5] Inhibits the transcriptional activity of a subset of Hox proteins, enrolling them in cell proliferative control.[6][7][8] [CDT1_HUMAN] Cooperates with CDC6 to promote the loading of the mini-chromosome maintenance complex onto chromatin to form the pre-replication complex necessary to initiate DNA replication. Binds DNA in a sequence-, strand-, and conformation-independent manner. Potential oncogene.[9][10][11][12][UniProtKB:Q8R4E9]

About this Structure

2wvr is a 3 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • De Marco V, Gillespie PJ, Li A, Karantzelis N, Christodoulou E, Klompmaker R, van Gerwen S, Fish A, Petoukhov MV, Iliou MS, Lygerou Z, Medema RH, Blow JJ, Svergun DI, Taraviras S, Perrakis A. Quaternary structure of the human Cdt1-Geminin complex regulates DNA replication licensing. Proc Natl Acad Sci U S A. 2009 Nov 24;106(47):19807-12. Epub 2009 Nov 11. PMID:19906994 doi:10.1073/pnas.0905281106
  1. ↑ Bicknell LS, Bongers EM, Leitch A, Brown S, Schoots J, Harley ME, Aftimos S, Al-Aama JY, Bober M, Brown PA, van Bokhoven H, Dean J, Edrees AY, Feingold M, Fryer A, Hoefsloot LH, Kau N, Knoers NV, Mackenzie J, Opitz JM, Sarda P, Ross A, Temple IK, Toutain A, Wise CA, Wright M, Jackson AP. Mutations in the pre-replication complex cause Meier-Gorlin syndrome. Nat Genet. 2011 Feb 27;43(4):356-9. doi: 10.1038/ng.775. PMID:21358632 doi:10.1038/ng.775
  2. ↑ Guernsey DL, Matsuoka M, Jiang H, Evans S, Macgillivray C, Nightingale M, Perry S, Ferguson M, LeBlanc M, Paquette J, Patry L, Rideout AL, Thomas A, Orr A, McMaster CR, Michaud JL, Deal C, Langlois S, Superneau DW, Parkash S, Ludman M, Skidmore DL, Samuels ME. Mutations in origin recognition complex gene ORC4 cause Meier-Gorlin syndrome. Nat Genet. 2011 Feb 27;43(4):360-4. doi: 10.1038/ng.777. PMID:21358631 doi:10.1038/ng.777
  3. ↑ McGarry TJ, Kirschner MW. Geminin, an inhibitor of DNA replication, is degraded during mitosis. Cell. 1998 Jun 12;93(6):1043-53. PMID:9635433
  4. ↑ Sugimoto N, Tatsumi Y, Tsurumi T, Matsukage A, Kiyono T, Nishitani H, Fujita M. Cdt1 phosphorylation by cyclin A-dependent kinases negatively regulates its function without affecting geminin binding. J Biol Chem. 2004 May 7;279(19):19691-7. Epub 2004 Mar 1. PMID:14993212 doi:10.1074/jbc.M313175200
  5. ↑ Zhou B, Liu C, Xu Z, Zhu G. Structural basis for homeodomain recognition by the cell-cycle regulator Geminin. Proc Natl Acad Sci U S A. 2012 May 21. PMID:22615398 doi:10.1073/pnas.1200874109
  6. ↑ McGarry TJ, Kirschner MW. Geminin, an inhibitor of DNA replication, is degraded during mitosis. Cell. 1998 Jun 12;93(6):1043-53. PMID:9635433
  7. ↑ Sugimoto N, Tatsumi Y, Tsurumi T, Matsukage A, Kiyono T, Nishitani H, Fujita M. Cdt1 phosphorylation by cyclin A-dependent kinases negatively regulates its function without affecting geminin binding. J Biol Chem. 2004 May 7;279(19):19691-7. Epub 2004 Mar 1. PMID:14993212 doi:10.1074/jbc.M313175200
  8. ↑ Zhou B, Liu C, Xu Z, Zhu G. Structural basis for homeodomain recognition by the cell-cycle regulator Geminin. Proc Natl Acad Sci U S A. 2012 May 21. PMID:22615398 doi:10.1073/pnas.1200874109
  9. ↑ Wohlschlegel JA, Dwyer BT, Dhar SK, Cvetic C, Walter JC, Dutta A. Inhibition of eukaryotic DNA replication by geminin binding to Cdt1. Science. 2000 Dec 22;290(5500):2309-12. PMID:11125146 doi:10.1126/science.290.5500.2309
  10. ↑ Miotto B, Struhl K. JNK1 phosphorylation of Cdt1 inhibits recruitment of HBO1 histone acetylase and blocks replication licensing in response to stress. Mol Cell. 2011 Oct 7;44(1):62-71. doi: 10.1016/j.molcel.2011.06.021. PMID:21856198 doi:10.1016/j.molcel.2011.06.021
  11. ↑ Cook JG, Chasse DA, Nevins JR. The regulated association of Cdt1 with minichromosome maintenance proteins and Cdc6 in mammalian cells. J Biol Chem. 2004 Mar 5;279(10):9625-33. Epub 2003 Dec 11. PMID:14672932 doi:10.1074/jbc.M311933200
  12. ↑ Sugimoto N, Tatsumi Y, Tsurumi T, Matsukage A, Kiyono T, Nishitani H, Fujita M. Cdt1 phosphorylation by cyclin A-dependent kinases negatively regulates its function without affecting geminin binding. J Biol Chem. 2004 May 7;279(19):19691-7. Epub 2004 Mar 1. PMID:14993212 doi:10.1074/jbc.M313175200

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