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Protein

Probable endonuclease 4

Gene

nfo

Organism
Chlorobium chlorochromatii (strain CaD3)
Status
Reviewed-Annotation score: Annotation score: 2 out of 5-Protein inferred from homologyi

Functioni

Endonuclease IV plays a role in DNA repair. It cleaves phosphodiester bonds at apurinic or apyrimidinic sites (AP sites) to produce new 5'-ends that are base-free deoxyribose 5-phosphate residues. It preferentially attacks modified AP sites created by bleomycin and neocarzinostatin.UniRule annotation

Catalytic activityi

Endonucleolytic cleavage to 5'-phosphooligonucleotide end-products.UniRule annotation

Cofactori

Zn2+UniRule annotationNote: Binds 3 Zn2+ ions.UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi69Zinc 1UniRule annotation1
Metal bindingi109Zinc 1UniRule annotation1
Metal bindingi145Zinc 1UniRule annotation1
Metal bindingi145Zinc 2UniRule annotation1
Metal bindingi179Zinc 2UniRule annotation1
Metal bindingi182Zinc 3UniRule annotation1
Metal bindingi216Zinc 2UniRule annotation1
Metal bindingi229Zinc 3UniRule annotation1
Metal bindingi231Zinc 3UniRule annotation1
Metal bindingi261Zinc 2UniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionEndonuclease, Hydrolase, Nuclease
Biological processDNA damage, DNA repair
LigandMetal-binding, Zinc

Names & Taxonomyi

Protein namesi
Recommended name:
Probable endonuclease 4UniRule annotation (EC:3.1.21.2UniRule annotation)
Alternative name(s):
Endodeoxyribonuclease IVUniRule annotation
Endonuclease IVUniRule annotation
Gene namesi
Name:nfoUniRule annotation
Ordered Locus Names:Cag_0528
OrganismiChlorobium chlorochromatii (strain CaD3)
Taxonomic identifieri340177 [NCBI]
Taxonomic lineageiBacteriaChlorobiChlorobiaChlorobialesChlorobiaceaeChlorobium/Pelodictyon groupChlorobium
Proteomesi
  • UP000002708 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000112981 – 282Probable endonuclease 4Add BLAST282

Interactioni

Protein-protein interaction databases

STRINGi340177.Cag_0528.

Structurei

3D structure databases

ProteinModelPortaliQ3AT74.
SMRiQ3AT74.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the AP endonuclease 2 family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105EFU. Bacteria.
COG0648. LUCA.
HOGENOMiHOG000224893.
KOiK01151.
OMAiHPGSHLK.
OrthoDBiPOG091H041I.

Family and domain databases

CDDicd00019. AP2Ec. 1 hit.
HAMAPiMF_00152. Nfo. 1 hit.
InterProiView protein in InterPro
IPR001719. AP_endonuc_2.
IPR018246. AP_endonuc_F2_Zn_BS.
IPR036237. Xyl_isomerase-like_sf.
IPR013022. Xyl_isomerase-like_TIM-brl.
PANTHERiPTHR21445. PTHR21445. 1 hit.
PfamiView protein in Pfam
PF01261. AP_endonuc_2. 1 hit.
SMARTiView protein in SMART
SM00518. AP2Ec. 1 hit.
SUPFAMiSSF51658. SSF51658. 1 hit.
TIGRFAMsiTIGR00587. nfo. 1 hit.
PROSITEiView protein in PROSITE
PS00729. AP_NUCLEASE_F2_1. 1 hit.
PS00730. AP_NUCLEASE_F2_2. 1 hit.
PS00731. AP_NUCLEASE_F2_3. 1 hit.
PS51432. AP_NUCLEASE_F2_4. 1 hit.

Sequencei

Sequence statusi: Complete.

Q3AT74-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKRVGAHVSA SGGVEQAPLN ATAIGAKAFA LFTKNQRQWK APKLSKATIE
60 70 80 90 100
AFQKACADGG FQPQHILPHD SYLINLGSPD PEKLERARSA FIDEMQRVAD
110 120 130 140 150
LGLQLLNFHP GSHLKEISEE ASLLLIAESI NMALEATNGV TAVIENTAGQ
160 170 180 190 200
GTNLGYRFEQ IAFLIDRIED KSRVGVCLDT CHLFASGYDL SSTEAIETTF
210 220 230 240 250
NEFDSTVGLH YLRGMHLNDA MQPLGSRVDR HASLGKGTIG MAAFTFIMNH
260 270 280
PACEEIPLIL ETPNPDIWSE EIALLYSLQQ VD
Length:282
Mass (Da):30,794
Last modified:November 22, 2005 - v1
Checksum:iD0E45349B9272054
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000108 Genomic DNA. Translation: ABB27801.1.
RefSeqiWP_011361574.1. NC_007514.1.

Genome annotation databases

EnsemblBacteriaiABB27801; ABB27801; Cag_0528.
KEGGicch:Cag_0528.

Similar proteinsi

Entry informationi

Entry nameiEND4_CHLCH
AccessioniPrimary (citable) accession number: Q3AT74
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: November 22, 2005
Last modified: October 25, 2017
This is version 83 of the entry and version 1 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