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P95744

- FPG_SYNEL

UniProt

P95744 - FPG_SYNEL

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Protein
Formamidopyrimidine-DNA glycosylase
Gene
mutM, fpg
Organism
Synechococcus elongatus
Status
Reviewed - Annotation score: 3 out of 5 - 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 By similarity.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

Binds 1 zinc ion per subunit By similarity.UniRule annotation

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei2 – 21Schiff-base intermediate with DNA By similarity
Active sitei3 – 31Proton donor By similarity
Active sitei60 – 601Proton donor; for beta-elimination activity By similarity
Binding sitei94 – 941DNA By similarity
Binding sitei113 – 1131DNA By similarity
Active sitei267 – 2671Proton donor; for delta-elimination activity By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Zinc fingeri243 – 27735FPG-typeUniRule annotation
Add
BLAST

GO - Molecular functioni

  1. damaged DNA binding Source: InterPro
  2. oxidized purine nucleobase lesion DNA N-glycosylase activity Source: UniProtKB-HAMAP
  3. zinc ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. base-excision repair Source: InterPro
  2. nucleotide-excision repair Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase, Lyase

Keywords - Biological processi

DNA damage, DNA repair

Keywords - Ligandi

DNA-binding, Metal-binding, Zinc

Names & Taxonomyi

Protein namesi
Recommended name:
Formamidopyrimidine-DNA glycosylase (EC:3.2.2.23)
Short name:
Fapy-DNA glycosylase
Alternative name(s):
DNA-(apurinic or apyrimidinic site) lyase MutM (EC:4.2.99.18)
Short name:
AP lyase MutM
Gene namesi
Name:mutM
Synonyms:fpg
OrganismiSynechococcus elongatus
Taxonomic identifieri32046 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaOscillatoriophycideaeChroococcalesSynechococcus

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed By similarity
Chaini2 – 284283Formamidopyrimidine-DNA glycosylaseUniRule annotation
PRO_0000170876Add
BLAST

Interactioni

Subunit structurei

Monomer By similarity.UniRule annotation

Structurei

3D structure databases

ProteinModelPortaliP95744.

Family & Domainsi

Sequence similaritiesi

Belongs to the FPG family.

Keywords - Domaini

Zinc-finger

Family and domain databases

HAMAPiMF_00103. Fapy_DNA_glycosyl.
InterProiIPR015886. DNA_glyclase/AP_lyase_DNA-bd.
IPR015887. DNA_glyclase_Znf_dom_DNA_BS.
IPR000191. DNA_glycosylase/AP_lyase.
IPR012319. DNA_glycosylase/AP_lyase_cat.
IPR020629. Formamido-pyr_DNA_Glyclase.
IPR010979. Ribosomal_S13-like_H2TH.
IPR000214. Znf_DNA_glyclase/AP_lyase.
IPR010663. Znf_DNA_glyclase/IsotRNA_synth.
[Graphical view]
PfamiPF01149. Fapy_DNA_glyco. 1 hit.
PF06831. H2TH. 1 hit.
PF06827. zf-FPG_IleRS. 1 hit.
[Graphical view]
SMARTiSM00898. Fapy_DNA_glyco. 1 hit.
[Graphical view]
SUPFAMiSSF46946. SSF46946. 1 hit.
SSF81624. SSF81624. 1 hit.
TIGRFAMsiTIGR00577. fpg. 1 hit.
PROSITEiPS51068. FPG_CAT. 1 hit.
PS01242. ZF_FPG_1. 1 hit.
PS51066. ZF_FPG_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

P95744-1 [UniParc]FASTAAdd to Basket

« Hide

MPELPEVETV RRGLELVTLK QPIVDVEVLL ARSIALPKEP QAFIEHLRDR    50
RIEQWQRRGK YLLATLDDGS RLVIHLRMSG QLLWLTTPQP PCPHTRVRWF 100
FPTRAELRFV DQRTFGRCWW LPPDCRVAEA IPALATLAPE PLSEAFTVAF 150
LAARLAHCRR SIKTALLDQS IVAGMGNIYA DESLFLSGLH PTQSAHTLTP 200
EQVQRLHGVI CQVLREGIAA GGTTIRTFMS PAGVNGHYGG QAWVYGRKGE 250
ACRVCGTTIE RLRLAGRSSH YCPQCQPLSS AIGK 284
Length:284
Mass (Da):31,716
Last modified:January 23, 2007 - v4
Checksum:iEE1FA9C445CCCC49
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Y10290 Genomic DNA. Translation: CAA71333.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
Y10290 Genomic DNA. Translation: CAA71333.1 .

3D structure databases

ProteinModelPortali P95744.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Family and domain databases

HAMAPi MF_00103. Fapy_DNA_glycosyl.
InterProi IPR015886. DNA_glyclase/AP_lyase_DNA-bd.
IPR015887. DNA_glyclase_Znf_dom_DNA_BS.
IPR000191. DNA_glycosylase/AP_lyase.
IPR012319. DNA_glycosylase/AP_lyase_cat.
IPR020629. Formamido-pyr_DNA_Glyclase.
IPR010979. Ribosomal_S13-like_H2TH.
IPR000214. Znf_DNA_glyclase/AP_lyase.
IPR010663. Znf_DNA_glyclase/IsotRNA_synth.
[Graphical view ]
Pfami PF01149. Fapy_DNA_glyco. 1 hit.
PF06831. H2TH. 1 hit.
PF06827. zf-FPG_IleRS. 1 hit.
[Graphical view ]
SMARTi SM00898. Fapy_DNA_glyco. 1 hit.
[Graphical view ]
SUPFAMi SSF46946. SSF46946. 1 hit.
SSF81624. SSF81624. 1 hit.
TIGRFAMsi TIGR00577. fpg. 1 hit.
PROSITEi PS51068. FPG_CAT. 1 hit.
PS01242. ZF_FPG_1. 1 hit.
PS51066. ZF_FPG_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Molecular characterization and overexpression of the petF gene from Synechococcus elongatus: evidence for a second site of electrostatic interaction between ferredoxin and the PSI-D subunit."
    Floss B., Igloi G., Cassier-Chauvat C., Muehlenhoff U.
    Photosyn. Res. 54:63-71(1997)
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].

Entry informationi

Entry nameiFPG_SYNEL
AccessioniPrimary (citable) accession number: P95744
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 15, 1999
Last sequence update: January 23, 2007
Last modified: February 19, 2014
This is version 84 of the entry and version 4 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Multifunctional enzyme

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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