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Protein

Endonuclease 8

Gene

nei

Organism
Salmonella paratyphi A (strain AKU_12601)
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 pyrimidines, such as thymine glycol, 5,6-dihydrouracil and 5,6-dihydrothymine. 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

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 sitei53Proton donor; for beta-elimination activityUniRule annotation1
Binding sitei70DNAUniRule annotation1
Binding sitei125DNAUniRule annotation1
Binding sitei169DNAUniRule annotation1
Active sitei253Proton donor; for delta-elimination activityUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri229 – 263FPG-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

Names & Taxonomyi

Protein namesi
Recommended name:
Endonuclease 8UniRule annotation
Alternative name(s):
DNA glycosylase/AP lyase NeiUniRule annotation (EC:3.2.2.-UniRule annotation, EC:4.2.99.18UniRule annotation)
DNA-(apurinic or apyrimidinic site) lyase NeiUniRule annotation
Endonuclease VIIIUniRule annotation
Gene namesi
Name:neiUniRule annotation
Ordered Locus Names:SSPA1877
OrganismiSalmonella paratyphi A (strain AKU_12601)
Taxonomic identifieri554290 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacteralesEnterobacteriaceaeSalmonella

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedUniRule annotation
ChainiPRO_10001399452 – 263Endonuclease 8Add BLAST262

Structurei

3D structure databases

ProteinModelPortaliB5BC82
SMRiB5BC82
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the FPG family.UniRule annotation

Zinc finger

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Zinc fingeri229 – 263FPG-typeUniRule annotationAdd BLAST35

Keywords - Domaini

Zinc-finger

Phylogenomic databases

HOGENOMiHOG000020882
KOiK05522
OMAiEILWQAQ

Family and domain databases

Gene3Di3.20.190.10, 1 hit
HAMAPiMF_01253 Endonuclease_8, 1 hit
InterProiView protein in InterPro
IPR015886 DNA_glyclase/AP_lyase_DNA-bd
IPR015887 DNA_glyclase_Znf_dom_DNA_BS
IPR023713 Endonuclease-VIII
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
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.

B5BC82-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MPEGPEIRRA ADNLEAAIKG KPLTDVWFAF AQLKPYESQL TGQIITRIET
60 70 80 90 100
RGKALLTHFS NGLTLYSHNQ LYGVWRVIDT GEIPQTTRIL RVRLQTADKT
110 120 130 140 150
ILLYSASDIE MLTAEQLTTH PFLQRVGPDV LDARLTPEEV KARLLSPRFR
160 170 180 190 200
NRQFSGLLLD QAFLAGLGNY LRVEILWQVG LTGQHKAKDL NEAQLNALSH
210 220 230 240 250
ALLDIPRLSY TTRGQADENK HHGALFRFKV FHRDGEACER CGGIIEKTTL
260
SSRPFYWCPH CQK
Length:263
Mass (Da):29,847
Last modified:September 23, 2008 - v1
Checksum:i0B2ADF746F14F35B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
FM200053 Genomic DNA Translation: CAR60074.1
RefSeqiWP_001113959.1, NC_011147.1

Genome annotation databases

EnsemblBacteriaiCAR60074; CAR60074; SSPA1877
KEGGisek:SSPA1877

Entry informationi

Entry nameiEND8_SALPK
AccessioniPrimary (citable) accession number: B5BC82
Entry historyiIntegrated into UniProtKB/Swiss-Prot: April 14, 2009
Last sequence update: September 23, 2008
Last modified: May 23, 2018
This is version 60 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Documents

  1. SIMILARITY comments
    Index of protein domains and families

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