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Q9RX22

- FPG_DEIRA

UniProt

Q9RX22 - FPG_DEIRA

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Protein

Formamidopyrimidine-DNA glycosylase

Gene

mutM

Organism
Deinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)
Status
Reviewed - Annotation score: 4 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).By similarity

Catalytic activityi

Hydrolysis of DNA containing ring-opened 7-methylguanine residues, releasing 2,6-diamino-4-hydroxy-5-(N-methyl)formamidopyrimidine.
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.

Cofactori

Zn2+By similarityNote: Binds 1 zinc ion per subunit.By similarity

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei2 – 21Schiff-base intermediate with DNABy similarity
Active sitei3 – 31Proton donorBy similarity
Active sitei53 – 531Proton donor; for beta-elimination activityBy similarity
Binding sitei91 – 911DNABy similarity
Binding sitei110 – 1101DNABy similarity
Binding sitei152 – 1521DNABy similarity
Active sitei263 – 2631Proton donor; for delta-elimination activityBy similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Zinc fingeri239 – 27335FPG-typeAdd
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

Enzyme and pathway databases

BioCyciDRAD243230:GH46-504-MONOMER.

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
Ordered Locus Names:DR_0493
OrganismiDeinococcus radiodurans (strain ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422)
Taxonomic identifieri243230 [NCBI]
Taxonomic lineageiBacteriaDeinococcus-ThermusDeinococciDeinococcalesDeinococcaceaeDeinococcus
ProteomesiUP000002524: Chromosome I

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 280279Formamidopyrimidine-DNA glycosylasePRO_0000170821Add
BLAST

Interactioni

Subunit structurei

Monomer.By similarity

Protein-protein interaction databases

STRINGi243230.DR_0493.

Structurei

3D structure databases

ProteinModelPortaliQ9RX22.
SMRiQ9RX22. Positions 2-274.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the FPG family.Curated
Contains 1 FPG-type zinc finger.Curated

Zinc finger

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Zinc fingeri239 – 27335FPG-typeAdd
BLAST

Keywords - Domaini

Zinc-finger

Phylogenomic databases

eggNOGiCOG0266.
HOGENOMiHOG000020884.
InParanoidiQ9RX22.
KOiK10563.
OMAiDHVDLKL.
OrthoDBiEOG6QP131.

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.

Q9RX22-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPELPEVETT RRKIEPLLRG KTIERIVHDA PHRYRNTERA HGRQVRGLTR
60 70 80 90 100
RGKYLLLHLA AADAAEDEPH DLELIVHLGM TGGFRLEEGP HTRVTFELGS
110 120 130 140 150
GEKLYFNDPR RFGKVVAVAP GDYASMPTLA AMGPEPLSDD FTEAEFVALA
160 170 180 190 200
ARCGPVKPWL LSQKPVSGVG NIYADESLWH ARLHPAQTRL NADEAGRLYR
210 220 230 240 250
AIREVMAAAV DKGGSSLGNG VGNYRQHDGE GGGFQHSHHV YGRAGQPCDR
260 270 280
CGTPIEKIVL GQRGTHFCPV CQPLRTDRSA
Length:280
Mass (Da):30,819
Last modified:January 23, 2007 - v4
Checksum:i9785ECBDF0CB3A44
GO

Sequence cautioni

The sequence AAF10070.1 differs from that shown. Reason: Erroneous initiation. Curated

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE000513 Genomic DNA. Translation: AAF10070.1. Different initiation.
PIRiH75512.
RefSeqiNP_294216.1. NC_001263.1.

Genome annotation databases

EnsemblBacteriaiAAF10070; AAF10070; DR_0493.
GeneIDi1799429.
KEGGidra:DR_0493.
PATRICi21628510. VBIDeiRad64572_0671.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE000513 Genomic DNA. Translation: AAF10070.1 . Different initiation.
PIRi H75512.
RefSeqi NP_294216.1. NC_001263.1.

3D structure databases

ProteinModelPortali Q9RX22.
SMRi Q9RX22. Positions 2-274.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 243230.DR_0493.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAF10070 ; AAF10070 ; DR_0493 .
GeneIDi 1799429.
KEGGi dra:DR_0493.
PATRICi 21628510. VBIDeiRad64572_0671.

Phylogenomic databases

eggNOGi COG0266.
HOGENOMi HOG000020884.
InParanoidi Q9RX22.
KOi K10563.
OMAi DHVDLKL.
OrthoDBi EOG6QP131.

Enzyme and pathway databases

BioCyci DRAD243230:GH46-504-MONOMER.

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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 13939 / DSM 20539 / JCM 16871 / LMG 4051 / NBRC 15346 / NCIMB 9279 / R1 / VKM B-1422.

Entry informationi

Entry nameiFPG_DEIRA
AccessioniPrimary (citable) accession number: Q9RX22
Entry historyi
Integrated into UniProtKB/Swiss-Prot: October 19, 2002
Last sequence update: January 23, 2007
Last modified: November 26, 2014
This is version 98 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

Complete proteome, Multifunctional enzyme, Reference proteome

Documents

  1. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3