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==Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1==
==Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1==
<StructureSection load='5v8f' size='340' side='right' caption='[[5v8f]], [[Resolution|resolution]] 3.90&Aring;' scene=''>
<StructureSection load='5v8f' size='340' side='right'caption='[[5v8f]], [[Resolution|resolution]] 3.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[5v8f]] is a 16 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Baker's_yeast Baker's yeast]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5V8F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5V8F FirstGlance]. <br>
<table><tr><td colspan='2'>[[5v8f]] is a 16 chain structure with sequence from [http://en.wikipedia.org/wiki/ ] and [http://en.wikipedia.org/wiki/Baker's_yeast Baker's yeast]. This structure supersedes the now removed PDB entry [http://oca.weizmann.ac.il/oca-bin/send-pdb?obs=1&id=5udb 5udb]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5V8F OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=5V8F FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AGS:PHOSPHOTHIOPHOSPHORIC+ACID-ADENYLATE+ESTER'>AGS</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AGS:PHOSPHOTHIOPHOSPHORIC+ACID-ADENYLATE+ESTER'>AGS</scene></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MCM2, YBL023C, YBL0438 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC2, RRR1, SIR5, YBR060C, YBR0523 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC3, OAF1, OIF1, YLL004W, L1365 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC4, YPR162C, P9325.5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC5, YNL261W, N0834 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC6, AAP1, YHR118C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM3, YEL032W, SYGP-ORF23 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM4, CDC54, HCD21, YPR019W, YP9531.13 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM5, CDC46, YLR274W, L9328.1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM6, YGL201C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM7, CDC47, YBR202W, YBR1441 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), TAH11, CDT1, SID2, YJR046W, J1641 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), CDC6, YJL194W, J0347 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC1, YML065W ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">MCM2, YBL023C, YBL0438 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC2, RRR1, SIR5, YBR060C, YBR0523 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC3, OAF1, OIF1, YLL004W, L1365 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC4, YPR162C, P9325.5 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC5, YNL261W, N0834 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC6, AAP1, YHR118C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM3, YEL032W, SYGP-ORF23 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM4, CDC54, HCD21, YPR019W, YP9531.13 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM5, CDC46, YLR274W, L9328.1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM6, YGL201C ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), MCM7, CDC47, YBR202W, YBR1441 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), TAH11, CDT1, SID2, YJR046W, J1641 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), CDC6, YJL194W, J0347 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast]), ORC1, YML065W ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=559292 Baker's yeast])</td></tr>
Line 26: Line 26:
[[Category: Baker's yeast]]
[[Category: Baker's yeast]]
[[Category: DNA helicase]]
[[Category: DNA helicase]]
[[Category: Large Structures]]
[[Category: Bai, L]]
[[Category: Bai, L]]
[[Category: Barbon, M]]
[[Category: Barbon, M]]

Revision as of 14:47, 13 March 2019

Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1Structural basis of MCM2-7 replicative helicase loading by ORC-Cdc6 and Cdt1

Structural highlights

5v8f is a 16 chain structure with sequence from [1] and Baker's yeast. This structure supersedes the now removed PDB entry 5udb. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Gene:MCM2, YBL023C, YBL0438 (Baker's yeast), ORC2, RRR1, SIR5, YBR060C, YBR0523 (Baker's yeast), ORC3, OAF1, OIF1, YLL004W, L1365 (Baker's yeast), ORC4, YPR162C, P9325.5 (Baker's yeast), ORC5, YNL261W, N0834 (Baker's yeast), ORC6, AAP1, YHR118C (Baker's yeast), MCM3, YEL032W, SYGP-ORF23 (Baker's yeast), MCM4, CDC54, HCD21, YPR019W, YP9531.13 (Baker's yeast), MCM5, CDC46, YLR274W, L9328.1 (Baker's yeast), MCM6, YGL201C (Baker's yeast), MCM7, CDC47, YBR202W, YBR1441 (Baker's yeast), TAH11, CDT1, SID2, YJR046W, J1641 (Baker's yeast), CDC6, YJL194W, J0347 (Baker's yeast), ORC1, YML065W (Baker's yeast)
Activity:DNA helicase, with EC number 3.6.4.12
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[MCM7_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity.[1] [2] [ORC3_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication.[3] [MCM4_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity. Required for S phase execution.[4] [5] [CDT1_YEAST] DNA replication licensing factor, required for pre-replication complex assembly. Faithful duplication of the genetic material requires 'once per cell cycle' DNA replication initiation and elongation. Central to this control is the tightly regulated formation of prereplicative complexes (preRCs) at future origins of DNA replication. Required for the recruitment of the MCM2-7 helicase complex to the replication origins.[6] [7] [8] [9] [10] [11] [12] [ORC1_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication.[13] [MCM3_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity. Necessary for cell growth.[14] [15] [ORC4_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication. [ORC6_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication.[16] [17] [CDC6_YEAST] Plays a crucial role in forming the pre-replicative complexes. Interacts with the origin recognition complex (ORC) and MCM2-7 helicase complex leading to the linking of those complexes and loading of the replicative helicase MCM2-7 onto the pre-replicative complexes. Required for the initiation of DNA replication and then actively participates in the suppression of nuclear division.[18] [19] [20] [21] [22] [23] [24] [25] [26] [MCM5_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity; specifically the MCM2-MCM5 association is proposed to be reversible and to mediate a open ring conformation which may facilitate DNA loading. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity.[27] [28] [MCM2_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity; specifically the MCM2-MCM5 association is proposed to be reversible and to mediate a open ring conformation which may facilitate DNA loading. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity. Necessary for cell growth.[29] [30] [ORC2_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication.[31] [ORC5_YEAST] Component of the origin recognition complex (ORC) that binds origins of replication. It has a role in both chromosomal replication and mating type transcriptional silencing. Binds to the ARS consensus sequence (ACS) of origins of replication. This subunit is a candidate for the mediation of ATP-dependent binding of ORC to origins. May also be a substrate targeting component of a cullin-RING-based E3 ubiquitin-protein ligase complex RTT101(MMS1-ORC5).[32] [MCM6_YEAST] Acts as component of the MCM2-7 complex (MCM complex) which is the putative replicative helicase essential for 'once per cell cycle' DNA replication initiation and elongation in eukaryotic cells. The active ATPase sites in the MCM2-7 ring are formed through the interaction surfaces of two neighboring subunits such that a critical structure of a conserved arginine finger motif is provided in trans relative to the ATP-binding site of the Walker A box of the adjacent subunit. The six ATPase active sites, however, are likely to contribute differentially to the complex helicase activity. Once loaded onto DNA, double hexamers can slide on dsDNA in the absence of ATPase activity. Required for the entry in S phase and for cell division.[33] [34]

Publication Abstract from PubMed

To initiate DNA replication, the origin recognition complex (ORC) and Cdc6 load an Mcm2-7 double hexamer onto DNA. Without ATP hydrolysis, ORC-Cdc6 recruits one Cdt1-bound Mcm2-7 hexamer, thus forming an ORC-Cdc6-Cdt1-Mcm2-7 (OCCM) helicase-loading intermediate. Here we report a 3.9-A structure of Saccharomyces cerevisiae OCCM on DNA. Flexible Mcm2-7 winged-helix domains (WHDs) engage ORC-Cdc6. A three-domain Cdt1 configuration embraces Mcm2, Mcm4, and Mcm6, thus comprising nearly half of the hexamer. The Cdt1 C-terminal domain extends to the Mcm6 WHD, which binds the Orc4 WHD. DNA passes through the ORC-Cdc6 and Mcm2-7 rings. Origin DNA interaction is mediated by an alpha-helix within Orc4 and positively charged loops within Orc2 and Cdc6. The Mcm2-7 C-tier AAA+ ring is topologically closed by an Mcm5 loop that embraces Mcm2, but the N-tier-ring Mcm2-Mcm5 interface remains open. This structure suggests a loading mechanism of the first Cdt1-bound Mcm2-7 hexamer by ORC-Cdc6.

Structural basis of Mcm2-7 replicative helicase loading by ORC-Cdc6 and Cdt1.,Yuan Z, Riera A, Bai L, Sun J, Nandi S, Spanos C, Chen ZA, Barbon M, Rappsilber J, Stillman B, Speck C, Li H Nat Struct Mol Biol. 2017 Mar;24(3):316-324. doi: 10.1038/nsmb.3372. Epub 2017, Feb 13. PMID:28191893[35]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

References

  1. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  2. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  3. ↑ Chen S, de Vries MA, Bell SP. Orc6 is required for dynamic recruitment of Cdt1 during repeated Mcm2-7 loading. Genes Dev. 2007 Nov 15;21(22):2897-907. PMID:18006685 doi:http://dx.doi.org/10.1101/gad.1596807
  4. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  5. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  6. ↑ Jacobson MD, Munoz CX, Knox KS, Williams BE, Lu LL, Cross FR, Vallen EA. Mutations in SID2, a novel gene in Saccharomyces cerevisiae, cause synthetic lethality with sic1 deletion and may cause a defect during S phase. Genetics. 2001 Sep;159(1):17-33. PMID:11560884
  7. ↑ Devault A, Vallen EA, Yuan T, Green S, Bensimon A, Schwob E. Identification of Tah11/Sid2 as the ortholog of the replication licensing factor Cdt1 in Saccharomyces cerevisiae. Curr Biol. 2002 Apr 16;12(8):689-94. PMID:11967159
  8. ↑ Randell JC, Bowers JL, Rodriguez HK, Bell SP. Sequential ATP hydrolysis by Cdc6 and ORC directs loading of the Mcm2-7 helicase. Mol Cell. 2006 Jan 6;21(1):29-39. PMID:16387651 doi:http://dx.doi.org/10.1016/j.molcel.2005.11.023
  9. ↑ Kawasaki Y, Kim HD, Kojima A, Seki T, Sugino A. Reconstitution of Saccharomyces cerevisiae prereplicative complex assembly in vitro. Genes Cells. 2006 Jul;11(7):745-56. PMID:16824194 doi:http://dx.doi.org/10.1111/j.1365-2443.2006.00975.x
  10. ↑ Asano T, Makise M, Takehara M, Mizushima T. Interaction between ORC and Cdt1p of Saccharomyces cerevisiae. FEMS Yeast Res. 2007 Dec;7(8):1256-62. Epub 2007 Sep 6. PMID:17825064 doi:http://dx.doi.org/10.1111/j.1567-1364.2007.00299.x
  11. ↑ Chen S, de Vries MA, Bell SP. Orc6 is required for dynamic recruitment of Cdt1 during repeated Mcm2-7 loading. Genes Dev. 2007 Nov 15;21(22):2897-907. PMID:18006685 doi:http://dx.doi.org/10.1101/gad.1596807
  12. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  13. ↑ Asano T, Makise M, Takehara M, Mizushima T. Interaction between ORC and Cdt1p of Saccharomyces cerevisiae. FEMS Yeast Res. 2007 Dec;7(8):1256-62. Epub 2007 Sep 6. PMID:17825064 doi:http://dx.doi.org/10.1111/j.1567-1364.2007.00299.x
  14. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  15. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  16. ↑ Asano T, Makise M, Takehara M, Mizushima T. Interaction between ORC and Cdt1p of Saccharomyces cerevisiae. FEMS Yeast Res. 2007 Dec;7(8):1256-62. Epub 2007 Sep 6. PMID:17825064 doi:http://dx.doi.org/10.1111/j.1567-1364.2007.00299.x
  17. ↑ Chen S, de Vries MA, Bell SP. Orc6 is required for dynamic recruitment of Cdt1 during repeated Mcm2-7 loading. Genes Dev. 2007 Nov 15;21(22):2897-907. PMID:18006685 doi:http://dx.doi.org/10.1101/gad.1596807
  18. ↑ Wang B, Feng L, Hu Y, Huang SH, Reynolds CP, Wu L, Jong AY. The essential role of Saccharomyces cerevisiae CDC6 nucleotide-binding site in cell growth, DNA synthesis, and Orc1 association. J Biol Chem. 1999 Mar 19;274(12):8291-8. PMID:10075735
  19. ↑ Bueno A, Russell P. Dual functions of CDC6: a yeast protein required for DNA replication also inhibits nuclear division. EMBO J. 1992 Jun;11(6):2167-76. PMID:1600944
  20. ↑ Fernandez-Cid A, Riera A, Tognetti S, Herrera MC, Samel S, Evrin C, Winkler C, Gardenal E, Uhle S, Speck C. An ORC/Cdc6/MCM2-7 complex is formed in a multistep reaction to serve as a platform for MCM double-hexamer assembly. Mol Cell. 2013 May 23;50(4):577-88. doi: 10.1016/j.molcel.2013.03.026. Epub 2013 , Apr 18. PMID:23603117 doi:http://dx.doi.org/10.1016/j.molcel.2013.03.026
  21. ↑ Piatti S, Lengauer C, Nasmyth K. Cdc6 is an unstable protein whose de novo synthesis in G1 is important for the onset of S phase and for preventing a 'reductional' anaphase in the budding yeast Saccharomyces cerevisiae. EMBO J. 1995 Aug 1;14(15):3788-99. PMID:7641697
  22. ↑ Cocker JH, Piatti S, Santocanale C, Nasmyth K, Diffley JF. An essential role for the Cdc6 protein in forming the pre-replicative complexes of budding yeast. Nature. 1996 Jan 11;379(6561):180-2. PMID:8538771 doi:http://dx.doi.org/10.1038/379180a0
  23. ↑ Santocanale C, Diffley JF. ORC- and Cdc6-dependent complexes at active and inactive chromosomal replication origins in Saccharomyces cerevisiae. EMBO J. 1996 Dec 2;15(23):6671-9. PMID:8978693
  24. ↑ Detweiler CS, Li JJ. Cdc6p establishes and maintains a state of replication competence during G1 phase. J Cell Sci. 1997 Mar;110 ( Pt 6):753-63. PMID:9099949
  25. ↑ Drury LS, Perkins G, Diffley JF. The Cdc4/34/53 pathway targets Cdc6p for proteolysis in budding yeast. EMBO J. 1997 Oct 1;16(19):5966-76. PMID:9312054 doi:10.1093/emboj/16.19.5966
  26. ↑ Weinreich M, Liang C, Stillman B. The Cdc6p nucleotide-binding motif is required for loading mcm proteins onto chromatin. Proc Natl Acad Sci U S A. 1999 Jan 19;96(2):441-6. PMID:9892652
  27. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  28. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  29. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  30. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  31. ↑ Asano T, Makise M, Takehara M, Mizushima T. Interaction between ORC and Cdt1p of Saccharomyces cerevisiae. FEMS Yeast Res. 2007 Dec;7(8):1256-62. Epub 2007 Sep 6. PMID:17825064 doi:http://dx.doi.org/10.1111/j.1567-1364.2007.00299.x
  32. ↑ Chen S, de Vries MA, Bell SP. Orc6 is required for dynamic recruitment of Cdt1 during repeated Mcm2-7 loading. Genes Dev. 2007 Nov 15;21(22):2897-907. PMID:18006685 doi:http://dx.doi.org/10.1101/gad.1596807
  33. ↑ Remus D, Beuron F, Tolun G, Griffith JD, Morris EP, Diffley JF. Concerted loading of Mcm2-7 double hexamers around DNA during DNA replication origin licensing. Cell. 2009 Nov 13;139(4):719-30. doi: 10.1016/j.cell.2009.10.015. Epub 2009 Nov, 5. PMID:19896182 doi:http://dx.doi.org/10.1016/j.cell.2009.10.015
  34. ↑ Evrin C, Clarke P, Zech J, Lurz R, Sun J, Uhle S, Li H, Stillman B, Speck C. A double-hexameric MCM2-7 complex is loaded onto origin DNA during licensing of eukaryotic DNA replication. Proc Natl Acad Sci U S A. 2009 Dec 1;106(48):20240-5. doi:, 10.1073/pnas.0911500106. Epub 2009 Nov 12. PMID:19910535 doi:http://dx.doi.org/10.1073/pnas.0911500106
  35. ↑ Yuan Z, Riera A, Bai L, Sun J, Nandi S, Spanos C, Chen ZA, Barbon M, Rappsilber J, Stillman B, Speck C, Li H. Structural basis of Mcm2-7 replicative helicase loading by ORC-Cdc6 and Cdt1. Nat Struct Mol Biol. 2017 Mar;24(3):316-324. doi: 10.1038/nsmb.3372. Epub 2017, Feb 13. PMID:28191893 doi:http://dx.doi.org/10.1038/nsmb.3372

5v8f, resolution 3.90Å

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