UniProtKB - P54784 (ORC1_YEAST)
Protein
Origin recognition complex subunit 1
Gene
ORC1
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Status
Functioni
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.1 Publication
Miscellaneous
Present with 3930 molecules/cell in log phase SD medium.1 Publication
Regions
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Nucleotide bindingi | 479 – 486 | ATPSequence analysis | 8 | |
| Nucleotide bindingi | 726 – 733 | ATPSequence analysis | 8 |
GO - Molecular functioni
- ATPase activity Source: SGD
- ATP binding Source: SGD
- chromatin binding Source: SGD
- DNA replication origin binding Source: SGD
GO - Biological processi
- chromatin silencing at silent mating-type cassette Source: SGD
- DNA replication initiation Source: SGD
- pre-replicative complex assembly involved in nuclear cell cycle DNA replication Source: SGD
Keywordsi
| Molecular function | DNA-binding |
| Biological process | DNA replication |
| Ligand | ATP-binding, Nucleotide-binding |
Enzyme and pathway databases
| BioCyci | YEAST:G3O-32660-MONOMER |
Names & Taxonomyi
| Protein namesi | Recommended name: Origin recognition complex subunit 1Alternative name(s): Origin recognition complex 120 kDa subunit |
| Gene namesi | Name:ORC1 Ordered Locus Names:YML065W |
| Organismi | Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast) |
| Taxonomic identifieri | 559292 [NCBI] |
| Taxonomic lineagei | Eukaryota › Fungi › Dikarya › Ascomycota › Saccharomycotina › Saccharomycetes › Saccharomycetales › Saccharomycetaceae › Saccharomyces › |
| Proteomesi |
|
Organism-specific databases
| EuPathDBi | FungiDB:YML065W |
| SGDi | S000004530 ORC1 |
PTM / Processingi
Molecule processing
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| ChainiPRO_0000127074 | 1 – 914 | Origin recognition complex subunit 1Add BLAST | 914 |
Amino acid modifications
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Modified residuei | 237 | PhosphoserineCombined sources | 1 |
Keywords - PTMi
PhosphoproteinProteomic databases
| MaxQBi | P54784 |
| PaxDbi | P54784 |
| PRIDEi | P54784 |
PTM databases
| iPTMneti | P54784 |
Interactioni
Subunit structurei
Component of the origin recognition complex (ORC) composed of at least ORC1, ORC2, ORC3, ORC4, ORC5 and ORC6. Interacts with MCM10 and TAH11.2 Publications
Binary interactionsi
Protein-protein interaction databases
| BioGridi | 35101, 662 interactors |
| ComplexPortali | CPX-768 Nuclear origin recognition complex |
| DIPi | DIP-2284N |
| IntActi | P54784, 37 interactors |
| MINTi | P54784 |
| STRINGi | 4932.YML065W |
Structurei
Secondary structure
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details3D structure databases
| ProteinModelPortali | P54784 |
| SMRi | P54784 |
| ModBasei | Search... |
| MobiDBi | Search... |
Miscellaneous databases
| EvolutionaryTracei | P54784 |
Family & Domainsi
Domains and Repeats
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Domaini | 48 – 188 | BAHPROSITE-ProRule annotationAdd BLAST | 141 |
Compositional bias
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Compositional biasi | 281 – 292 | Poly-GluAdd BLAST | 12 | |
| Compositional biasi | 759 – 768 | Poly-Asp | 10 |
Domaini
The N-terminus is dedicated to mating-type repression.
Sequence similaritiesi
Belongs to the ORC1 family.Curated
Phylogenomic databases
| GeneTreei | ENSGT00870000137502 |
| HOGENOMi | HOG000115288 |
| InParanoidi | P54784 |
| KOi | K02603 |
| OMAi | KHEEAND |
| OrthoDBi | EOG092C0XFO |
Family and domain databases
| InterProi | View protein in InterPro IPR003593 AAA+_ATPase IPR003959 ATPase_AAA_core IPR001025 BAH_dom IPR020793 ORC1 IPR027417 P-loop_NTPase |
| PANTHERi | PTHR10763:SF23 PTHR10763:SF23, 1 hit |
| Pfami | View protein in Pfam PF00004 AAA, 1 hit PF01426 BAH, 1 hit |
| SMARTi | View protein in SMART SM00382 AAA, 1 hit SM00439 BAH, 1 hit |
| SUPFAMi | SSF52540 SSF52540, 2 hits |
| PROSITEi | View protein in PROSITE PS51038 BAH, 1 hit |
Sequencei
Sequence statusi: Complete.
P54784-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MAKTLKDLQG WEIITTDEQG NIIDGGQKRL RRRGAKTEHY LKRSSDGIKL
60 70 80 90 100
GRGDSVVMHN EAAGTYSVYM IQELRLNTLN NVVELWALTY LRWFEVNPLA
110 120 130 140 150
HYRQFNPDAN ILNRPLNYYN KLFSETANKN ELYLTAELAE LQLFNFIRVA
160 170 180 190 200
NVMDGSKWEV LKGNVDPERD FTVRYICEPT GEKFVDINIE DVKAYIKKVE
210 220 230 240 250
PREAQEYLKD LTLPSKKKEI KRGPQKKDKA TQTAQISDAE TRATDITDNE
260 270 280 290 300
DGNEDESSDY ESPSDIDVSE DMDSGEISAD ELEEEEDEEE DEDEEEKEAR
310 320 330 340 350
HTNSPRKRGR KIKLGKDDID ASVQPPPKKR GRKPKDPSKP RQMLLISSCR
360 370 380 390 400
ANNTPVIRKF TKKNVARAKK KYTPFSKRFK SIAAIPDLTS LPEFYGNSSE
410 420 430 440 450
LMASRFENKL KTTQKHQIVE TIFSKVKKQL NSSYVKEEIL KSANFQDYLP
460 470 480 490 500
ARENEFASIY LSAYSAIESD SATTIYVAGT PGVGKTLTVR EVVKELLSSS
510 520 530 540 550
AQREIPDFLY VEINGLKMVK PTDCYETLWN KVSGERLTWA ASMESLEFYF
560 570 580 590 600
KRVPKNKKKT IVVLLDELDA MVTKSQDIMY NFFNWTTYEN AKLIVIAVAN
610 620 630 640 650
TMDLPERQLG NKITSRIGFT RIMFTGYTHE ELKNIIDLRL KGLNDSFFYV
660 670 680 690 700
DTKTGNAILI DAAGNDTTVK QTLPEDVRKV RLRMSADAIE IASRKVASVS
710 720 730 740 750
GDARRALKVC KRAAEIAEKH YMAKHGYGYD GKTVIEDENE EQIYDDEDKD
760 770 780 790 800
LIESNKAKDD NDDDDDNDGV QTVHITHVMK ALNETLNSHV ITFMTRLSFT
810 820 830 840 850
AKLFIYALLN LMKKNGSQEQ ELGDIVDEIK LLIEVNGSNK FVMEIAKTLF
860 870 880 890 900
QQGSDNISEQ LRIISWDFVL NQLLDAGILF KQTMKNDRIC CVKLNISVEE
910
AKRAMNEDET LRNL
Sequence databases
| Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U34860 Genomic DNA Translation: AAB38248.1 Z38114 Genomic DNA Translation: CAA86256.1 BK006946 Genomic DNA Translation: DAA09832.1 |
| PIRi | S48333 |
| RefSeqi | NP_013646.1, NM_001182424.1 |
Genome annotation databases
| EnsemblFungii | YML065W; YML065W; YML065W |
| GeneIDi | 854937 |
| KEGGi | sce:YML065W |
Similar proteinsi
Entry informationi
| Entry namei | ORC1_YEAST | |
| Accessioni | P54784Primary (citable) accession number: P54784 Secondary accession number(s): D6VZA8 | |
| Entry historyi | Integrated into UniProtKB/Swiss-Prot: | October 1, 1996 |
| Last sequence update: | October 1, 1996 | |
| Last modified: | September 12, 2018 | |
| This is version 179 of the entry and version 1 of the sequence. See complete history. | ||
| Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
| Annotation program | Fungal Protein Annotation Program | |



