UniProtKB - P30665 (MCM4_YEAST)
Protein
DNA replication licensing factor MCM4
Gene
MCM4
Organism
Saccharomyces cerevisiae (strain ATCC 204508 / S288c) (Baker's yeast)
Status
Functioni
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.2 Publications
Miscellaneous
Present with 8800 molecules/cell in log phase SD medium.1 Publication
Early fractionation of eukaryotic MCM proteins yielded a variety of dimeric, trimeric and tetrameric complexes with unclear biological significance. Specifically a MCM467 subcomplex is shown to have in vitro helicase activity which is inhibited by the MCM2 subunit. The MCM2-7 hexamer is the proposed physiological active complex.
Catalytic activityi
ATP + H2O = ADP + phosphate.
Regions
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Nucleotide bindingi | 568 – 575 | ATPSequence analysis | 8 |
GO - Molecular functioni
- ATP binding Source: UniProtKB-KW
- DNA helicase activity Source: InterPro
- DNA replication origin binding Source: SGD
- single-stranded DNA binding Source: SGD
GO - Biological processi
- DNA replication initiation Source: SGD
- DNA strand elongation involved in DNA replication Source: SGD
- DNA unwinding involved in DNA replication Source: SGD
- double-strand break repair via break-induced replication Source: SGD
- nuclear DNA replication Source: SGD
- pre-replicative complex assembly involved in nuclear cell cycle DNA replication Source: SGD
Keywordsi
| Molecular function | DNA-binding, Helicase, Hydrolase |
| Biological process | Cell cycle, DNA replication |
| Ligand | ATP-binding, Nucleotide-binding |
Enzyme and pathway databases
| BioCyci | YEAST:G3O-34179-MONOMER |
| Reactomei | R-SCE-68949 Orc1 removal from chromatin R-SCE-68962 Activation of the pre-replicative complex R-SCE-69052 Switching of origins to a post-replicative state |
Names & Taxonomyi
| Protein namesi | Recommended name: DNA replication licensing factor MCM4 (EC:3.6.4.12)Alternative name(s): Cell division control protein 54 |
| Gene namesi | Name:MCM4 Synonyms:CDC54, HCD21 Ordered Locus Names:YPR019W ORF Names:YP9531.13 |
| 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:YPR019W |
| SGDi | S000006223 MCM4 |
Pathology & Biotechi
Mutagenesis
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Mutagenesisi | 574 | K → A: Loss of MCM2-7 complex helicase activity. 1 Publication | 1 |
PTM / Processingi
Molecule processing
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| ChainiPRO_0000194105 | 1 – 933 | DNA replication licensing factor MCM4Add BLAST | 933 |
Amino acid modifications
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Modified residuei | 52 | PhosphoserineCombined sources | 1 | |
| Modified residuei | 56 | PhosphoserineCombined sources | 1 | |
| Modified residuei | 69 | PhosphoserineCombined sources | 1 |
Keywords - PTMi
PhosphoproteinProteomic databases
| MaxQBi | P30665 |
| PaxDbi | P30665 |
| PRIDEi | P30665 |
PTM databases
| iPTMneti | P30665 |
Interactioni
Subunit structurei
Component of the MCM2-7 complex. The complex forms a toroidal hexameric ring with the proposed subunit order MCM2-MCM6-MCM4-MCM7-MCM3-MCM5; loaded onto DNA, forms a head-head double hexamer.2 Publications
Binary interactionsi
Protein-protein interaction databases
| BioGridi | 36196, 142 interactors |
| ComplexPortali | CPX-2944 MCM complex |
| DIPi | DIP-2409N |
| IntActi | P30665, 35 interactors |
| MINTi | P30665 |
| STRINGi | 4932.YPR019W |
Structurei
3D structure databases
| ProteinModelPortali | P30665 |
| SMRi | P30665 |
| ModBasei | Search... |
| MobiDBi | Search... |
Family & Domainsi
Domains and Repeats
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Domaini | 518 – 725 | MCMAdd BLAST | 208 |
Motif
| Feature key | Position(s) | DescriptionActions | Graphical view | Length |
|---|---|---|---|---|
| Motifi | 700 – 703 | Arginine finger | 4 |
Sequence similaritiesi
Belongs to the MCM family.Curated
Phylogenomic databases
| GeneTreei | ENSGT00910000144163 |
| InParanoidi | P30665 |
| KOi | K02212 |
| OMAi | KNTIRIC |
| OrthoDBi | EOG092C0VUM |
Family and domain databases
| InterProi | View protein in InterPro IPR031327 MCM IPR008047 MCM_4 IPR018525 MCM_CS IPR001208 MCM_dom IPR027925 MCM_N IPR033762 MCM_OB IPR012340 NA-bd_OB-fold IPR027417 P-loop_NTPase |
| PANTHERi | PTHR11630 PTHR11630, 1 hit PTHR11630:SF66 PTHR11630:SF66, 1 hit |
| Pfami | View protein in Pfam PF00493 MCM, 1 hit PF14551 MCM_N, 1 hit PF17207 MCM_OB, 1 hit |
| PRINTSi | PR01657 MCMFAMILY PR01660 MCMPROTEIN4 |
| SMARTi | View protein in SMART SM00350 MCM, 1 hit |
| SUPFAMi | SSF50249 SSF50249, 1 hit SSF52540 SSF52540, 1 hit |
| PROSITEi | View protein in PROSITE PS00847 MCM_1, 1 hit PS50051 MCM_2, 1 hit |
Sequencei
Sequence statusi: Complete.
P30665-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MSQQSSSPTK EDNNSSSPVV PNPDSVPPQL SSPALFYSSS SSQGDIYGRN
60 70 80 90 100
NSQNLSQGEG NIRAAIGSSP LNFPSSSQRQ NSDVFQSQGR QGRIRSSASA
110 120 130 140 150
SGRSRYHSDL RSDRALPTSS SSLGRNGQNR VHMRRNDIHT SDLSSPRRIV
160 170 180 190 200
DFDTRSGVNT LDTSSSSAPP SEASEPLRII WGTNVSIQEC TTNFRNFLMS
210 220 230 240 250
FKYKFRKILD EREEFINNTT DEELYYIKQL NEMRELGTSN LNLDARNLLA
260 270 280 290 300
YKQTEDLYHQ LLNYPQEVIS IMDQTIKDCM VSLIVDNNLD YDLDEIETKF
310 320 330 340 350
YKVRPYNVGS CKGMRELNPN DIDKLINLKG LVLRSTPVIP DMKVAFFKCN
360 370 380 390 400
VCDHTMAVEI DRGVIQEPAR CERIDCNEPN SMSLIHNRCS FADKQVIKLQ
410 420 430 440 450
ETPDFVPDGQ TPHSISLCVY DELVDSCRAG DRIEVTGTFR SIPIRANSRQ
460 470 480 490 500
RVLKSLYKTY VDVVHVKKVS DKRLDVDTST IEQELMQNKV DHNEVEEVRQ
510 520 530 540 550
ITDQDLAKIR EVAAREDLYS LLARSIAPSI YELEDVKKGI LLQLFGGTNK
560 570 580 590 600
TFTKGGRYRG DINILLCGDP STSKSQILQY VHKITPRGVY TSGKGSSAVG
610 620 630 640 650
LTAYITRDVD TKQLVLESGA LVLSDGGVCC IDEFDKMSDS TRSVLHEVME
660 670 680 690 700
QQTISIAKAG IITTLNARSS ILASANPIGS RYNPNLPVTE NIDLPPPLLS
710 720 730 740 750
RFDLVYLVLD KVDEKNDREL AKHLTNLYLE DKPEHISQDD VLPVEFLTMY
760 770 780 790 800
ISYAKEHIHP IITEAAKTEL VRAYVGMRKM GDDSRSDEKR ITATTRQLES
810 820 830 840 850
MIRLAEAHAK MKLKNVVELE DVQEAVRLIR SAIKDYATDP KTGKIDMNLV
860 870 880 890 900
QTGKSVIQRK LQEDLSREIM NVLKDQASDS MSFNELIKQI NEHSQDRVES
910 920 930
SDIQEALSRL QQEDKVIVLG EGVRRSVRLN NRV
Sequence databases
| Select the link destinations: EMBLi GenBanki DDBJi Links Updated | U14731 Genomic DNA Translation: AAA86310.1 Z49919 Genomic DNA Translation: CAA90164.1 Z71255 Genomic DNA Translation: CAA95015.1 Z15032 Genomic DNA Translation: CAA78750.1 BK006949 Genomic DNA Translation: DAA11445.1 |
| PIRi | S56050 |
| RefSeqi | NP_015344.1, NM_001184116.1 |
Genome annotation databases
| EnsemblFungii | YPR019W; YPR019W; YPR019W |
| GeneIDi | 856130 |
| KEGGi | sce:YPR019W |
Similar proteinsi
Entry informationi
| Entry namei | MCM4_YEAST | |
| Accessioni | P30665Primary (citable) accession number: P30665 Secondary accession number(s): D6W429 | |
| Entry historyi | Integrated into UniProtKB/Swiss-Prot: | April 1, 1993 |
| Last sequence update: | November 1, 1995 | |
| Last modified: | September 12, 2018 | |
| This is version 180 of the entry and version 2 of the sequence. See complete history. | ||
| Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
| Annotation program | Fungal Protein Annotation Program | |



