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Protein

Formamidopyrimidine-DNA glycosylase

Gene

mutM

Organism
Dechloromonas aromatica (strain RCB)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Involved in base excision repair of DNA damaged by oxidation or by mutagenic agents. Acts as DNA glycosylase that recognizes and removes damaged bases. Has a preference for oxidized purines, such as 7,8-dihydro-8-oxoguanine (8-oxoG). Has AP (apurinic/apyrimidinic) lyase activity and introduces nicks in the DNA strand. Cleaves the DNA backbone by beta-delta elimination to generate a single-strand break at the site of the removed base with both 3'- and 5'-phosphates.UniRule annotation

Catalytic activityi

Hydrolysis of DNA containing ring-opened 7-methylguanine residues, releasing 2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimidine.UniRule annotation
The C-O-P bond 3' to the apurinic or apyrimidinic site in DNA is broken by a beta-elimination reaction, leaving a 3'-terminal unsaturated sugar and a product with a terminal 5'-phosphate.UniRule annotation

Cofactori

Zn2+UniRule annotationNote: Binds 1 zinc ion per subunit.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei2Schiff-base intermediate with DNAUniRule annotation1
Active sitei3Proton donorUniRule annotation1
Active sitei58Proton donor; for beta-elimination activityUniRule annotation1
Binding sitei95DNAUniRule annotation1
Binding sitei113DNAUniRule annotation1
Binding sitei158DNAUniRule annotation1
Active sitei267Proton donor; for delta-elimination activityUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri243 – 277FPG-typeUniRule annotationAdd BLAST35

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionDNA-binding, Glycosidase, Hydrolase, Lyase, Multifunctional enzyme
Biological processDNA damage, DNA repair
LigandMetal-binding, Zinc

Enzyme and pathway databases

BioCyciDARO159087:G1G4R-3845-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Formamidopyrimidine-DNA glycosylaseUniRule annotation (EC:3.2.2.23UniRule annotation)
Short name:
Fapy-DNA glycosylaseUniRule annotation
Alternative name(s):
DNA-(apurinic or apyrimidinic site) lyase MutMUniRule annotation (EC:4.2.99.18UniRule annotation)
Short name:
AP lyase MutMUniRule annotation
Gene namesi
Name:mutMUniRule annotation
Synonyms:fpgUniRule annotation
Ordered Locus Names:Daro_3726
OrganismiDechloromonas aromatica (strain RCB)
Taxonomic identifieri159087 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaRhodocyclalesAzonexaceaeDechloromonas
Proteomesi

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedBy similarity
ChainiPRO_00002284292 – 277Formamidopyrimidine-DNA glycosylaseAdd BLAST276

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi159087.Daro_3726

Structurei

3D structure databases

ProteinModelPortaliQ479M6
SMRiQ479M6
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the FPG family.UniRule annotation

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri243 – 277FPG-typeUniRule annotationAdd BLAST35

Keywords - Domaini

Zinc-finger

Phylogenomic databases

eggNOGiENOG4105ERD Bacteria
COG0266 LUCA
HOGENOMiHOG000020881
KOiK10563
OMAiGVHLRMT
OrthoDBiPOG091H01RH

Family and domain databases

Gene3Di3.20.190.10, 1 hit
HAMAPiMF_00103 Fapy_DNA_glycosyl, 1 hit
InterProiView protein in InterPro
IPR015886 DNA_glyclase/AP_lyase_DNA-bd
IPR015887 DNA_glyclase_Znf_dom_DNA_BS
IPR020629 Formamido-pyr_DNA_Glyclase
IPR012319 FPG_cat
IPR035937 MutM-like_N-ter
IPR010979 Ribosomal_S13-like_H2TH
IPR000214 Znf_DNA_glyclase/AP_lyase
IPR010663 Znf_FPG/IleRS
PfamiView protein in Pfam
PF01149 Fapy_DNA_glyco, 1 hit
PF06831 H2TH, 1 hit
PF06827 zf-FPG_IleRS, 1 hit
SMARTiView protein in SMART
SM00898 Fapy_DNA_glyco, 1 hit
SM01232 H2TH, 1 hit
SUPFAMiSSF46946 SSF46946, 1 hit
SSF81624 SSF81624, 1 hit
TIGRFAMsiTIGR00577 fpg, 1 hit
PROSITEiView protein in PROSITE
PS51068 FPG_CAT, 1 hit
PS01242 ZF_FPG_1, 1 hit
PS51066 ZF_FPG_2, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

Q479M6-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MPELPEVEVC RRGLEPELAG QVIQGVVIRA PKLRHEIPPA LATLLPGCRV
60 70 80 90 100
VAVRRRGKYL LLDCERRGVQ GTLIIHLGMS GNLRFVPFDL PPAKHDHFEL
110 120 130 140 150
VLAGQILRFA DPRRFGVVLW QPGPPASAEC HPLLATQGIE PLSEMFTAEW
160 170 180 190 200
LYEAIARRSG PIKPTLMDSH LVVGIGNIYA SESLFRAGIS PLRAANRVSR
210 220 230 240 250
ARYEILVPAI RETLSDAIAA GGSSIRDYVH SDGGAGCFQI QAGVYDRANQ
260 270
PCLRCGGVVR QIRQAGRSTY YCTGCQH
Length:277
Mass (Da):30,332
Last modified:January 23, 2007 - v3
Checksum:iC7FA307E245A2C58
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000089 Genomic DNA Translation: AAZ48455.1
RefSeqiWP_011289451.1, NC_007298.1

Genome annotation databases

EnsemblBacteriaiAAZ48455; AAZ48455; Daro_3726
KEGGidar:Daro_3726

Similar proteinsi

Entry informationi

Entry nameiFPG_DECAR
AccessioniPrimary (citable) accession number: Q479M6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: March 21, 2006
Last sequence update: January 23, 2007
Last modified: May 23, 2018
This is version 88 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

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