- 関
- ORC
WordNet
- the state or quality of being recognized or acknowledged; "the partners were delighted with the recognition of their work"; "she seems to avoid much in the way of recognition or acknowledgement of feminist work prior to her own" (同)acknowledgment, acknowledgement
- (biology) the ability of one molecule to attach to another molecule that has a complementary shape; "molecular recognition drives all of biology, for instance, hormone and receptor or antibody-antigen interactions or the organization of molecules into lar
- designation by the chair granting a person the right to speak in a deliberative body; "he was unable to make his motion because he couldnt get recognition by the chairman"
- approval; "give her recognition for trying"; "he was given credit for his work"; "give her credit for trying" (同)credit
- the process of recognizing something or someone by remembering; "a politician whose recall of names was as remarkable as his recognition of faces"; "experimental psychologists measure the elapsed time from the onset of the stimulus to its recognition by t (同)identification
- an acceptance (as of a claim) as true and valid; "the recognition of the Rio Grande as a boundary between Mexico and the United States"
- the explicit and formal acknowledgement of a government or of the national independence of a country; "territorial disputes were resolved in Guatemalas recognition of Belize in 1991"
- complicated in structure; consisting of interconnected parts; "a complex set of variations based on a simple folk melody"; "a complex mass of diverse laws and customs"
- a compound described in terms of the central atom to which other atoms are bound or coordinated (同)coordination_compound
- a conceptual whole made up of complicated and related parts; "the complex of shopping malls, houses, and roads created a new town" (同)composite
- (psychoanalysis) a combination of emotions and impulses that have been rejected from awareness but still influence a persons behavior
- the source of somethings existence or from which it derives or is derived; "the rumor had its origin in idle gossip"; "vegetable origins"; "mineral origin"; "origin in sensation"
- properties attributable to your ancestry; "he comes from good origins" (同)descent, extraction
- an event that is a beginning; a first part or stage of subsequent events (同)origination, inception
- the point of intersection of coordinate axes; where the values of the coordinates are all zero
PrepTutorEJDIC
- (それであること)『見て気がつくこと』,見覚え / (特に,正当・妥当であるとの)(‥の)『承認』《+of』+『名』》 / (業績・貢献などを)認めること,(…の)表彰《+『of』+『名』》
- 『いくつかの部分から成る』,複合の,合成の / 『複雑な』,入りくんだ,こみいった(complicated) / 複合体,合成物 / コンプレックス,複合(抑圧されて心に残った複雑なしこり)
- 〈U〉〈C〉(…の)『起源』発端;もと,原因《+『of』+『名』》 / 〈U〉『生まれ』,素性,血統 / 〈U〉〈C〉(数学で,座標の)原点
Wikipedia preview
出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2015/12/10 08:04:30」(JST)
[Wiki en表示]
| Origin recognition complex subunit 2 |
| Identifiers |
| Symbol |
ORC2 |
| Pfam |
PF04084 |
| InterPro |
IPR007220 |
| Available protein structures: |
| Pfam |
structures |
| PDB |
RCSB PDB; PDBe; PDBj |
| PDBsum |
structure summary |
|
| Origin recognition complex (ORC) subunit 3 N-terminus |
| Identifiers |
| Symbol |
ORC3_N |
| Pfam |
PF07034 |
| InterPro |
IPR010748 |
| Available protein structures: |
| Pfam |
structures |
| PDB |
RCSB PDB; PDBe; PDBj |
| PDBsum |
structure summary |
|
| Origin recognition complex subunit 6 (ORC6) |
| Identifiers |
| Symbol |
ORC6 |
| Pfam |
PF05460 |
| InterPro |
IPR008721 |
| Available protein structures: |
| Pfam |
structures |
| PDB |
RCSB PDB; PDBe; PDBj |
| PDBsum |
structure summary |
|
Potential role of Cdc6 at the initiation of DNA replication.
[1]
In molecular biology, origin recognition complex (ORC) is a multi-subunit DNA binding complex (6 subunits) that binds in all eukaryotes in an ATP-dependent manner to origins of replication. The subunits of this complex are encoded by the ORC1, ORC2, ORC3, ORC4, ORC5 and ORC6 genes.[2][3][4] ORC is a central component for eukaryotic DNA replication, and binds chromatin at replication origins throughout the cell cycle.[5] ORC directs DNA replication throughout the genome and is required for its initiation.[6][7][8] ORC bound at replication origins serves as the foundation for assembly of the pre-replication complex (pre-RC), which includes Cdc6, Tah11 (aka Cdt1), and the Mcm2-Mcm7 complex.[9][10][11] Pre-RC assembly during G1 is required for replication licensing of chromosomes prior to DNA synthesis during S phase.[12][13][14] Cell cycle-regulated phosphorylation of Orc2, Orc6, Cdc6, and MCM by the cyclin-dependent protein kinase Cdc28 regulates initiation of DNA replication, including blocking reinitiation in G2/M phase.[5][15][16][17]
In yeast, ORC also plays a role in the establishment of silencing at the mating-type loci Hidden MAT Left (HML) and Hidden MAT Right (HMR).[6][7][8] ORC participates in the assembly of transcriptionally silent chromatin at HML and HMR by recruiting the Sir1 silencing protein to the HML and HMR silencers.[8][18][19]
Both Orc1 and Orc5 bind ATP, though only Orc1 has ATPase activity.[20] The binding of ATP by Orc1 is required for ORC binding to DNA and is essential for cell viability.[11] The ATPase activity of Orc1 is involved in formation of the pre-RC.[21][22][23] ATP binding by Orc5 is crucial for the stability of ORC as a whole. Only the Orc1-5 subunits are required for origin binding; Orc6 is essential for maintenance of pre-RCs once formed.[24] Interactions within ORC suggest that Orc2-3-6 may form a core complex.[5]
References
- ^ Borlado LR, Méndez J (February 2008). "CDC6: from DNA replication to cell cycle checkpoints and oncogenesis". Carcinogenesis 29 (2): 237–43. doi:10.1093/carcin/bgm268. PMID 18048387.
- ^ Origin Recognition Complex at the US National Library of Medicine Medical Subject Headings (MeSH)
- ^ Dutta A, Bell SP (1997). "Initiation of DNA replication in eukaryotic cells". Annu. Rev. Cell Dev. Biol. 13: 293–332. doi:10.1146/annurev.cellbio.13.1.293. PMID 9442876.
- ^ Chesnokov IN (2007). "Multiple functions of the origin recognition complex". Int. Rev. Cytol. 256: 69–109. doi:10.1016/S0074-7696(07)56003-1. PMID 17241905.
- ^ a b c Matsuda K, Makise M, Sueyasu Y, Takehara M, Asano T, Mizushima T (December 2007). "Yeast two-hybrid analysis of the origin recognition complex of Saccharomyces cerevisiae: interaction between subunits and identification of binding proteins". FEMS Yeast Res. 7 (8): 1263–9. doi:10.1111/j.1567-1364.2007.00298.x. PMID 17825065.
- ^ a b Bell SP, Stillman B (May 1992). "ATP-dependent recognition of eukaryotic origins of DNA replication by a multiprotein complex". Nature 357 (6374): 128–34. doi:10.1038/357128a0. PMID 1579162.
- ^ a b Bell SP, Mitchell J, Leber J, Kobayashi R, Stillman B (November 1995). "The multidomain structure of Orc1p reveals similarity to regulators of DNA replication and transcriptional silencing". Cell 83 (4): 563–8. doi:10.1016/0092-8674(95)90096-9. PMID 7585959.
- ^ a b c Gibson DG, Bell SP, Aparicio OM (June 2006). "Cell cycle execution point analysis of ORC function and characterization of the checkpoint response to ORC inactivation in Saccharomyces cerevisiae". Genes Cells 11 (6): 557–73. doi:10.1111/j.1365-2443.2006.00967.x. PMID 16716188.
- ^ Rao H, Stillman B (March 1995). "The origin recognition complex interacts with a bipartite DNA binding site within yeast replicators". Proc. Natl. Acad. Sci. U.S.A. 92 (6): 2224–8. doi:10.1073/pnas.92.6.2224. PMC 42456. PMID 7892251.
- ^ Rowley A, Cocker JH, Harwood J, Diffley JF (June 1995). "Initiation complex assembly at budding yeast replication origins begins with the recognition of a bipartite sequence by limiting amounts of the initiator, ORC". EMBO J. 14 (11): 2631–41. PMC 398377. PMID 7781615.
- ^ a b Speck C, Chen Z, Li H, Stillman B (November 2005). "ATPase-dependent cooperative binding of ORC and Cdc6 to origin DNA". Nat. Struct. Mol. Biol. 12 (11): 965–71. doi:10.1038/nsmb1002. PMC 2952294. PMID 16228006.
- ^ Kelly TJ, Brown GW (2000). "Regulation of chromosome replication". Annu. Rev. Biochem. 69: 829–80. doi:10.1146/annurev.biochem.69.1.829. PMID 10966477.
- ^ Bell SP, Dutta A (2002). "DNA replication in eukaryotic cells". Annu. Rev. Biochem. 71: 333–74. doi:10.1146/annurev.biochem.71.110601.135425. PMID 12045100.
- ^ Stillman B (February 2005). "Origin recognition and the chromosome cycle". FEBS Lett. 579 (4): 877–84. doi:10.1016/j.febslet.2004.12.011. PMID 15680967.
- ^ Weinreich M, Liang C, Chen HH, Stillman B (September 2001). "Binding of cyclin-dependent kinases to ORC and Cdc6p regulates the chromosome replication cycle". Proc. Natl. Acad. Sci. U.S.A. 98 (20): 11211–7. doi:10.1073/pnas.201387198. PMC 58709. PMID 11572976.
- ^ Nguyen VQ, Co C, Li JJ (June 2001). "Cyclin-dependent kinases prevent DNA re-replication through multiple mechanisms". Nature 411 (6841): 1068–73. doi:10.1038/35082600. PMID 11429609.
- ^ Archambault V, Ikui AE, Drapkin BJ, Cross FR (August 2005). "Disruption of mechanisms that prevent rereplication triggers a DNA damage response". Mol. Cell. Biol. 25 (15): 6707–21. doi:10.1128/MCB.25.15.6707-6721.2005. PMC 1190345. PMID 16024805.
- ^ Triolo T, Sternglanz R (May 1996). "Role of interactions between the origin recognition complex and SIR1 in transcriptional silencing". Nature 381 (6579): 251–3. doi:10.1038/381251a0. PMID 8622770.
- ^ Fox CA, Ehrenhofer-Murray AE, Loo S, Rine J (June 1997). "The origin recognition complex, SIR1, and the S phase requirement for silencing". Science 276 (5318): 1547–51. doi:10.1126/science.276.5318.1547. PMID 9171055.
- ^ Klemm RD, Austin RJ, Bell SP (February 1997). "Coordinate binding of ATP and origin DNA regulates the ATPase activity of the origin recognition complex". Cell 88 (4): 493–502. doi:10.1016/S0092-8674(00)81889-9. PMID 9038340.
- ^ Klemm RD, Bell SP (July 2001). "ATP bound to the origin recognition complex is important for preRC formation". Proc. Natl. Acad. Sci. U.S.A. 98 (15): 8361–7. doi:10.1073/pnas.131006898. PMC 37444. PMID 11459976.
- ^ Bowers JL, Randell JC, Chen S, Bell SP (December 2004). "ATP hydrolysis by ORC catalyzes reiterative Mcm2-7 assembly at a defined origin of replication". Mol. Cell 16 (6): 967–78. doi:10.1016/j.molcel.2004.11.038. PMID 15610739.
- ^ Randell JC, Bowers JL, Rodriguez HK, Bell SP (January 2006). "Sequential ATP hydrolysis by Cdc6 and ORC directs loading of the Mcm2-7 helicase". Mol. Cell 21 (1): 29–39. doi:10.1016/j.molcel.2005.11.023. PMID 16387651.
- ^ Semple JW, Da-Silva LF, Jervis EJ, Ah-Kee J, Al-Attar H, Kummer L, Heikkila JJ, Pasero P, Duncker BP (November 2006). "An essential role for Orc6 in DNA replication through maintenance of pre-replicative complexes". EMBO J. 25 (21): 5150–8. doi:10.1038/sj.emboj.7601391. PMC 1630405. PMID 17053779.
Further reading
- Stephen P. Bell and Anindya Dutta, DNA REPLICATION IN EUKARYOTIC CELLS, Annual Review of Biochemistry, 2002. doi:10.1146/annurev.biochem.71.110601.135425. A comprehensive review of molecular DNA replication.
|
DNA replication (comparing Prokaryotic to Eukaryotic)
|
|
| Initiation |
Prokaryotic
(initiation) |
|
|
Eukaryotic
(preparation in
G1 phase) |
- Origin recognition complex
- ORC1
- ORC2
- ORC3
- ORC4
- ORC5
- ORC6
- Minichromosome maintenance
- MCM2
- MCM3
- MCM4
- MCM5
- MCM6
- MCM7
- Autonomously replicating sequence
- Single-strand binding protein
|
|
| Both |
- Origin of replication/Ori/Replicon
- Replication fork
- Lagging and leading strands
- Okazaki fragments
- Primer
|
|
|
| Replication |
Prokaryotic
(elongation) |
- DNA polymerase III holoenzyme
- dnaC
- dnaE
- dnaH
- dnaN
- dnaQ
- dnaT
- dnaX
- holA
- holB
- holC
- holD
- holE
- Replisome
- DNA ligase
- DNA clamp
- Topoisomerase
- Prokaryotic DNA polymerase: DNA polymerase I
|
|
Eukaryotic
(synthesis in
S phase) |
- Replication factor C
- Flap endonuclease
- Topoisomerase
- Replication protein A
- Eukaryotic DNA polymerase:
- alpha
- delta
- epsilon
- Control of chromosome duplication
|
|
| Both |
- Movement: Processivity
- DNA ligase
|
|
|
| Termination |
|
|
|
Index of genetics
|
|
| Description |
- Gene expression
- DNA
- replication
- cycle
- recombination
- repair
- binding proteins
- Transcription
- factors
- regulators
- nucleic acids
- RNA
- RNA binding proteins
- ribonucleoproteins
- repeated sequence
- modification
- Translation
- ribosome
- modification
- nexins
- Proteins
- domains
- Structure
- primary
- secondary
- tertiary
- quaternary
|
|
| Disease |
- Replication and repair
- Transcription factor
- Transcription
- Translation
|
|
|
This article incorporates text from the public domain Pfam and InterPro IPR007220
This article incorporates text from the public domain Pfam and InterPro IPR010748
This article incorporates text from the public domain Pfam and InterPro IPR008721
UpToDate Contents
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Related Links
- Origin recognition complex (ORC) proteins were first discovered as a six-subunit assemblage in budding yeast that promotes the initiation of DNA replication. Orc1-5 appear to be present in all eukaryotes, and include ...
- Crystal structure of the eukaryotic origin recognition complex Franziska Bleichert 1, Michael R. Botchan 2, James M. Berger 1, Affiliations Contributions Corresponding authors Journal name: Nature Volume: 519, Pages: 321–326 ...
★リンクテーブル★
[★]
- 関
- origin recognition complex
- 関
- See Origin replication complex
[★]
- 英
- origin recognition complex、ORC
-ORC
- 関
- See Origin replication complex
[★]
- 関
- complexes、complicated、composite、conjugate、intricate
[★]
- 関
- hybrid、mixed lineage、mixed type、mixed-type
[★]
- 関
- complex、composite
[★]
[★]