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protein coding gene - mag1 (SPAPB24D3.04c) - DNA-3-methyladenine glycosylase Mag1

Gene summary

Standard name
mag1
Systematic ID
SPAPB24D3.04c
Product
DNA-3-methyladenine glycosylase Mag1
Organism
Schizosaccharomyces pombe (fission yeast)
UniProt ID
Q92383
Characterisation status
biological role published
Feature type
mRNA gene
Genomic location
chromosome I: 2953728..2954864 reverse strand

Annotation

Catalytic activity attributes

PBO:0091432 - kcat for base excision activity of 1,N(6)-ethenoadenine = 5.3 x 10^-3 s-1

References:

PBO:0091433 - kcat for base excision activity of N7-methylguanine = 2.6 x 10^-3 s-1

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Complementation

PBO:0091434 - functionally complements E. coli alkA/tag double mutant

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GO biological process

GO:0006285 - base-excision repair, AP site formation

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GO:0006307 - DNA alkylation repair

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GO cellular component

GO:0005634 - nucleus

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GO molecular function

GO:0032131 - alkylated DNA binding

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GO:0003905 - alkylbase DNA N-glycosylase activity

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GO:0003684 - damaged DNA binding

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GO:0052820 - DNA-1,N6-ethenoadenine N-glycosylase activity

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GO:0008725 - DNA-3-methyladenine glycosylase activity

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GO:0043916 - DNA-7-methylguanine glycosylase activity

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Multi-locus phenotype

FYPO:0002061 - inviable vegetative cell population

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Genotypes:

FYPO:0000957 - normal growth on methyl methanesulfonate

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Genotypes:

FYPO:0000089 - sensitive to methyl methanesulfonate

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Genotypes:

FYPO:0002060 - viable vegetative cell population

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Genotypes:

Qualitative gene expression

PomGeneEx:0000011 - RNA level increased

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Quantitative gene expression

PBO:0011963 - RNA level

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Single locus phenotype

FYPO:0000699 - abolished DNA-7-methylguanine glycosylase activity

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Genotypes:

FYPO:0000693 - decreased DNA-1,N6-ethenoadenine N-glycosylase activity

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Genotypes:

FYPO:0000698 - decreased DNA-7-methylguanine glycosylase activity

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Genotypes:

FYPO:0009094 - increased cell population growth on lysine and proline nitrogen source

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Genotypes:

FYPO:0009093 - increased cell population growth on lysine and serine nitrogen source

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Genotypes:

FYPO:0000636 - increased cell population growth rate

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Genotypes:

FYPO:0000695 - increased DNA-1,N6-ethenoadenine N-glycosylase activity

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Genotypes:

FYPO:0001309 - increased viability in stationary phase

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Genotypes:

FYPO:0000245 - loss of viability in stationary phase

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Genotypes:

FYPO:0000691 - normal DNA-1,N6-ethenoadenine N-glycosylase activity

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Genotypes:

FYPO:0000696 - normal DNA-7-methylguanine glycosylase activity

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Genotypes:

FYPO:0000957 - normal growth on methyl methanesulfonate

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Genotypes:

FYPO:0002693 - resistance to diamide

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Genotypes:

FYPO:0009038 - resistance to egtazic acid

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Genotypes:

FYPO:0001453 - resistance to ethanol

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Genotypes:

FYPO:0009085 - resistance to lithium chloride and sodium dodecyl sulfate

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Genotypes:

FYPO:0009087 - resistance to magnesium chloride and sodium dodecyl sulfate

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Genotypes:

FYPO:0003383 - resistance to tert-butyl hydroperoxide

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Genotypes:

FYPO:0001501 - sensitive to brefeldin A

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Genotypes:

FYPO:0006930 - sensitive to butylated hydroxyanisole

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Genotypes:

FYPO:0007931 - sensitive to egtazic acid

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Genotypes:

FYPO:0007928 - sensitive to ethylenediaminetetraacetic acid

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Genotypes:

FYPO:0000785 - sensitive to formamide

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Genotypes:

FYPO:0000088 - sensitive to hydroxyurea

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Genotypes:

FYPO:0009084 - sensitive to lithium chloride and methyl methanesulfonate

References:

Genotypes:

FYPO:0000089 - sensitive to methyl methanesulfonate

References:

Genotypes:

FYPO:0003656 - sensitive to vanadate

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Genotypes:

FYPO:0002060 - viable vegetative cell population

References:

Genotypes:

FYPO:0002177 - viable vegetative cell with normal cell morphology

References:

Genotypes:

Taxonomic conservation

PBO:0011067 - conserved in bacteria

PBO:0011065 - conserved in eukaryotes

PBO:0011064 - conserved in fungi

Warnings

PBO:0000085 - possible horizontal transfer

References:

Protein features

IDNameInterPro nameDB name
PF00730HhH-GPDHhH-GPD_domainPFAM
cd00056ENDO3cHhH-GPD_domainCDD
PS00516ALKYLBASE_DNA_GLYCOSAlkylbase_DNA_glycsylse_CSPROSITE_PATTERNS
SM00478endo3endHhH-GPD_domainSMART
G3DSA:1.10.340.30:FF:000004FUNFAM
SSF48150DNA-glycosylaseDNA_glycosylaseSUPERFAMILY
G3DSA:1.10.340.30Hypothetical protein; domain 2GENE3D
G3DSA:1.10.1670.40GENE3D
PTHR43003DNA-3-METHYLADENINE GLYCOSYLASEAlkylbase_DNA_Glycosylase/TAPANTHER

Orthologs

References / Literature

PMID:22365419 - The Schizosaccharomyces pombe AlkB homolog Abh1 exhibits AP lyase activity but no demethylase activity.
Korvald H et al. DNA Repair (Amst) 2012 May 01;11(5):453-62
PMID:20118936 - Schizosaccharomyces pombe genome-wide nucleosome mapping reveals positioning mechanisms distinct from those of Saccharomyces cerevisiae.
Lantermann AB et al. Nat Struct Mol Biol 2010 Feb;17(2):251-7
PMID:37787768 - Broad functional profiling of fission yeast proteins using phenomics and machine learning.
Rodríguez-López M et al. Elife 2023 Oct 03;12
PMID:23101633 - Quantitative analysis of fission yeast transcriptomes and proteomes in proliferating and quiescent cells.
Marguerat S et al. Cell 2012 Oct 26;151(3):671-83
PMID:25375137 - Systematic analysis of the role of RNA-binding proteins in the regulation of RNA stability.
Hasan A et al. PLoS Genet 2014 Nov;10(11):e1004684
PMID:23173672 - Identification of novel genes involved in DNA damage response by screening a genome-wide Schizosaccharomyces pombe deletion library.
Pan X et al. BMC Genomics 2012 Nov 23;13:662
PMID:8921872 - Cloning and characterization of a cDNA encoding a 3-methyladenine DNA glycosylase from the fission yeast Schizosaccharomyces pombe.
Memisoglu A et al. Gene 1996 Oct 24;177(1-2):229-35
PMID:10735851 - Contribution of base excision repair, nucleotide excision repair, and DNA recombination to alkylation resistance of the fission yeast Schizosaccharomyces pombe.
Memisoglu A et al. J Bacteriol 2000 Apr;182(8):2104-12
PMID:35820914 - Antagonistic effects of mitochondrial matrix and intermembrane space proteases on yeast aging.
Vega M et al. BMC Biol 2022 Jul 12;20(1):160
PMID:40015273 - A comprehensive Schizosaccharomyces pombe atlas of physical transcription factor interactions with proteins and chromatin.
Skribbe M et al. Mol Cell 2025 Feb 19;
PMID:20473289 - Analysis of a genome-wide set of gene deletions in the fission yeast Schizosaccharomyces pombe.
Kim DU et al. Nat Biotechnol 2010 Jun;28(6):617-623
PMID:17277362 - Brc1-mediated rescue of Smc5/6 deficiency: requirement for multiple nucleases and a novel Rad18 function.
Lee KM et al. Genetics 2007 Apr;175(4):1585-95
PMID:34250083 - Barcode sequencing and a high-throughput assay for chronological lifespan uncover ageing-associated genes in fission yeast.
Romila CA et al. Microb Cell 2021 Jul 05;8(7):146-160
PMID:18818364 - Conservation and rewiring of functional modules revealed by an epistasis map in fission yeast.
Roguev A et al. Science 2008 Oct 17;322(5900):405-10
PMID:18344406 - Schizosaccharomyces pombe Hst4 functions in DNA damage response by regulating histone H3 K56 acetylation.
Haldar D et al. Eukaryot Cell 2008 May;7(5):800-13
PMID:23245849 - Sculpting of DNA at abasic sites by DNA glycosylase homolog mag2.
Dalhus B et al. Structure 2013 Jan 08;21(1):154-166
PMID:21511999 - Comparative functional genomics of the fission yeasts.
Rhind N et al. Science 2011 May 20;332(6032):930-6
PMID:30647105 - Comparative Genomic Screen in Two Yeasts Reveals Conserved Pathways in the Response Network to Phenol Stress.
Alhoch B et al. G3 (Bethesda) 2019 Mar 07;9(3):639-650
PMID:29432178 - General amino acid control in fission yeast is regulated by a nonconserved transcription factor, with functions analogous to Gcn4/Atf4.
Duncan CDS et al. Proc Natl Acad Sci U S A 2018 Feb 20;115(8):E1829-E1838
PMID:16823372 - ORFeome cloning and global analysis of protein localization in the fission yeast Schizosaccharomyces pombe.
Matsuyama A et al. Nat Biotechnol 2006 Jul;24(7):841-7
PMID:21183410 - Schizosaccharomyces pombe Mms1 channels repair of perturbed replication into Rhp51 independent homologous recombination.
Vejrup-Hansen R et al. DNA Repair (Amst) 2011 Mar 07;10(3):283-95
PMID:21960007 - Analysis of substrate specificity of Schizosaccharomyces pombe Mag1 alkylpurine DNA glycosylase.
Adhikary S et al. EMBO Rep 2011 Dec 01;12(12):1286-92
PMID:25452419 - Parallel profiling of fission yeast deletion mutants for proliferation and for lifespan during long-term quiescence.
Sideri T et al. G3 (Bethesda) 2014 Dec 01;5(1):145-55
PMID:15722486 - Biochemical characterization and DNA repair pathway interactions of Mag1-mediated base excision repair in Schizosaccharomyces pombe.
Alseth I et al. Nucleic Acids Res 2005;33(3):1123-31
PMID:27984744 - Survival in Quiescence Requires the Euchromatic Deployment of Clr4/SUV39H by Argonaute-Associated Small RNAs.
Joh RI et al. Mol Cell 2016 Dec 15;64(6):1088-1101
PMID:23697806 - A genome-wide resource of cell cycle and cell shape genes of fission yeast.
Hayles J et al. Open Biol 2013 May 22;3(5):130053
PMID:18270439 - Involvement of 3-methyladenine DNA glycosylases Mag1p and Mag2p in base excision repair of methyl methanesulfonate-damaged DNA in the fission yeast Schizosaccharomyces pombe.
Kanamitsu K et al. Genes Genet Syst 2007 Dec;82(6):489-94
PMID:33313903 - Ribosome profiling reveals ribosome stalling on tryptophan codons and ribosome queuing upon oxidative stress in fission yeast.
Rubio A et al. Nucleic Acids Res 2021 Jan 11;49(1):383-399
PMID:22681890 - Hierarchical modularity and the evolution of genetic interactomes across species.
Ryan CJ et al. Mol Cell 2012 Jun 08;46(5):691-704
PMID:23071723 - DNA polymerase α (swi7) and the flap endonuclease Fen1 (rad2) act together in the S-phase alkylation damage response in S. pombe.
Koulintchenko M et al. PLoS One 2012;7(10):e47091