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P44948

- FPG_HAEIN

UniProt

P44948 - FPG_HAEIN

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Protein

Formamidopyrimidine-DNA glycosylase

Gene

mutM

Organism
Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
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).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

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 sitei57 – 571Proton donor; for beta-elimination activityBy similarity
Binding sitei90 – 901DNABy similarity
Binding sitei109 – 1091DNABy similarity
Binding sitei150 – 1501DNABy similarity
Active sitei259 – 2591Proton donor; for delta-elimination activityBy similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Zinc fingeri235 – 26935FPG-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

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:HI_0946
OrganismiHaemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)
Taxonomic identifieri71421 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaeHaemophilus
ProteomesiUP000000579: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11RemovedBy similarity
Chaini2 – 271270Formamidopyrimidine-DNA glycosylasePRO_0000170828Add
BLAST

Interactioni

Subunit structurei

Monomer.By similarity

Protein-protein interaction databases

STRINGi71421.HI0946.

Structurei

3D structure databases

ProteinModelPortaliP44948.
SMRiP44948. Positions 2-269.
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 fingeri235 – 26935FPG-typeAdd
BLAST

Keywords - Domaini

Zinc-finger

Phylogenomic databases

eggNOGiCOG0266.
KOiK10563.
OMAiDHVDLKL.
OrthoDBiEOG6QP131.
PhylomeDBiP44948.

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.

P44948 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MPELPEVETA LRGISPYLKN FTIEKVVVRQ PKLRWAVSEE LITLKNVKIV
60 70 80 90 100
DLTRRAKYLI IHTEKGYIIG HLGMSGSVRI VPQDSAIDKH DHIDIVVNNG
110 120 130 140 150
KLLRYNDPRR FGAWLWTENL DDFHLFLKLG PEPLSDEFNA EYLFKKSRQK
160 170 180 190 200
STALKTFLMD NAVVVGVGNI YTNESLFICG IHPLKLAKNL TRNQCFSLVN
210 220 230 240 250
TIKDVLRKAI IQGGTTLKDF LQPDGRPGYF AQELLVYGNK DKPCPKCGGK
260 270
IESLIIGQRN SFFCPKCQKR G
Length:271
Mass (Da):30,772
Last modified:January 23, 2007 - v3
Checksum:i571E67EF1D0978E1
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42023 Genomic DNA. Translation: AAC22606.1.
PIRiA64104.
RefSeqiNP_439106.1. NC_000907.1.

Genome annotation databases

EnsemblBacteriaiAAC22606; AAC22606; HI_0946.
GeneIDi949949.
KEGGihin:HI0946.
PATRICi20190549. VBIHaeInf48452_0987.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
L42023 Genomic DNA. Translation: AAC22606.1 .
PIRi A64104.
RefSeqi NP_439106.1. NC_000907.1.

3D structure databases

ProteinModelPortali P44948.
SMRi P44948. Positions 2-269.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 71421.HI0946.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAC22606 ; AAC22606 ; HI_0946 .
GeneIDi 949949.
KEGGi hin:HI0946.
PATRICi 20190549. VBIHaeInf48452_0987.

Phylogenomic databases

eggNOGi COG0266.
KOi K10563.
OMAi DHVDLKL.
OrthoDBi EOG6QP131.
PhylomeDBi P44948.

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 51907 / DSM 11121 / KW20 / Rd.

Entry informationi

Entry nameiFPG_HAEIN
AccessioniPrimary (citable) accession number: P44948
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 1, 1995
Last sequence update: January 23, 2007
Last modified: October 1, 2014
This is version 111 of the entry and version 3 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. Haemophilus influenzae
    Haemophilus influenzae (strain Rd): entries and gene names
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3