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Database: UniProt
Entry: A3CNX3
LinkDB: A3CNX3
Original site: A3CNX3 
ID   DNLJ_STRSV              Reviewed;         652 AA.
AC   A3CNX3;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   20-MAR-2007, sequence version 1.
DT   27-MAR-2024, entry version 105.
DE   RecName: Full=DNA ligase {ECO:0000255|HAMAP-Rule:MF_01588};
DE            EC=6.5.1.2 {ECO:0000255|HAMAP-Rule:MF_01588};
DE   AltName: Full=Polydeoxyribonucleotide synthase [NAD(+)] {ECO:0000255|HAMAP-Rule:MF_01588};
GN   Name=ligA {ECO:0000255|HAMAP-Rule:MF_01588}; OrderedLocusNames=SSA_1484;
OS   Streptococcus sanguinis (strain SK36).
OC   Bacteria; Bacillota; Bacilli; Lactobacillales; Streptococcaceae;
OC   Streptococcus.
OX   NCBI_TaxID=388919;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=SK36;
RX   PubMed=17277061; DOI=10.1128/jb.01808-06;
RA   Xu P., Alves J.M., Kitten T., Brown A., Chen Z., Ozaki L.S., Manque P.,
RA   Ge X., Serrano M.G., Puiu D., Hendricks S., Wang Y., Chaplin M.D., Akan D.,
RA   Paik S., Peterson D.L., Macrina F.L., Buck G.A.;
RT   "Genome of the opportunistic pathogen Streptococcus sanguinis.";
RL   J. Bacteriol. 189:3166-3175(2007).
CC   -!- FUNCTION: DNA ligase that catalyzes the formation of phosphodiester
CC       linkages between 5'-phosphoryl and 3'-hydroxyl groups in double-
CC       stranded DNA using NAD as a coenzyme and as the energy source for the
CC       reaction. It is essential for DNA replication and repair of damaged
CC       DNA. {ECO:0000255|HAMAP-Rule:MF_01588}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=NAD(+) + (deoxyribonucleotide)n-3'-hydroxyl + 5'-phospho-
CC         (deoxyribonucleotide)m = (deoxyribonucleotide)n+m + AMP + beta-
CC         nicotinamide D-nucleotide.; EC=6.5.1.2; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01588};
CC   -!- COFACTOR:
CC       Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01588};
CC       Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01588};
CC   -!- SIMILARITY: Belongs to the NAD-dependent DNA ligase family. LigA
CC       subfamily. {ECO:0000255|HAMAP-Rule:MF_01588}.
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DR   EMBL; CP000387; ABN44878.1; -; Genomic_DNA.
DR   RefSeq; WP_011837172.1; NC_009009.1.
DR   RefSeq; YP_001035428.1; NC_009009.1.
DR   AlphaFoldDB; A3CNX3; -.
DR   SMR; A3CNX3; -.
DR   STRING; 388919.SSA_1484; -.
DR   KEGG; ssa:SSA_1484; -.
DR   PATRIC; fig|388919.9.peg.1409; -.
DR   eggNOG; COG0272; Bacteria.
DR   HOGENOM; CLU_007764_2_1_9; -.
DR   OrthoDB; 9759736at2; -.
DR   Proteomes; UP000002148; Chromosome.
DR   GO; GO:0003911; F:DNA ligase (NAD+) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0006281; P:DNA repair; IEA:UniProtKB-KW.
DR   GO; GO:0006260; P:DNA replication; IEA:UniProtKB-KW.
DR   CDD; cd17748; BRCT_DNA_ligase_like; 1.
DR   CDD; cd00114; LIGANc; 1.
DR   Gene3D; 6.20.10.30; -; 1.
DR   Gene3D; 1.10.150.20; 5' to 3' exonuclease, C-terminal subdomain; 2.
DR   Gene3D; 3.40.50.10190; BRCT domain; 1.
DR   Gene3D; 3.30.470.30; DNA ligase/mRNA capping enzyme; 1.
DR   Gene3D; 1.10.287.610; Helix hairpin bin; 1.
DR   Gene3D; 2.40.50.140; Nucleic acid-binding proteins; 1.
DR   HAMAP; MF_01588; DNA_ligase_A; 1.
DR   InterPro; IPR001357; BRCT_dom.
DR   InterPro; IPR036420; BRCT_dom_sf.
DR   InterPro; IPR041663; DisA/LigA_HHH.
DR   InterPro; IPR001679; DNA_ligase.
DR   InterPro; IPR018239; DNA_ligase_AS.
DR   InterPro; IPR033136; DNA_ligase_CS.
DR   InterPro; IPR013839; DNAligase_adenylation.
DR   InterPro; IPR013840; DNAligase_N.
DR   InterPro; IPR012340; NA-bd_OB-fold.
DR   InterPro; IPR004150; NAD_DNA_ligase_OB.
DR   InterPro; IPR010994; RuvA_2-like.
DR   InterPro; IPR004149; Znf_DNAligase_C4.
DR   NCBIfam; TIGR00575; dnlj; 1.
DR   PANTHER; PTHR23389; CHROMOSOME TRANSMISSION FIDELITY FACTOR 18; 1.
DR   PANTHER; PTHR23389:SF9; DNA LIGASE; 1.
DR   Pfam; PF00533; BRCT; 1.
DR   Pfam; PF01653; DNA_ligase_aden; 1.
DR   Pfam; PF03120; DNA_ligase_OB; 1.
DR   Pfam; PF03119; DNA_ligase_ZBD; 1.
DR   Pfam; PF12826; HHH_2; 1.
DR   Pfam; PF14520; HHH_5; 1.
DR   PIRSF; PIRSF001604; LigA; 1.
DR   SMART; SM00292; BRCT; 1.
DR   SMART; SM00532; LIGANc; 1.
DR   SUPFAM; SSF52113; BRCT domain; 1.
DR   SUPFAM; SSF56091; DNA ligase/mRNA capping enzyme, catalytic domain; 1.
DR   SUPFAM; SSF50249; Nucleic acid-binding proteins; 1.
DR   SUPFAM; SSF47781; RuvA domain 2-like; 1.
DR   PROSITE; PS50172; BRCT; 1.
DR   PROSITE; PS01055; DNA_LIGASE_N1; 1.
DR   PROSITE; PS01056; DNA_LIGASE_N2; 1.
PE   3: Inferred from homology;
KW   DNA damage; DNA repair; DNA replication; Ligase; Magnesium; Manganese;
KW   Metal-binding; NAD; Reference proteome; Zinc.
FT   CHAIN           1..652
FT                   /note="DNA ligase"
FT                   /id="PRO_0000313467"
FT   DOMAIN          577..652
FT                   /note="BRCT"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   ACT_SITE        109
FT                   /note="N6-AMP-lysine intermediate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         29..33
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         78..79
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         107
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         130
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         164
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         278
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         302
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         395
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         398
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         413
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
FT   BINDING         418
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01588"
SQ   SEQUENCE   652 AA;  72174 MW;  2669EE1CE74EB828 CRC64;
     MKERMSELVE LLNRYAHEYY TADRPSVSDS EYDRLYRELA ELEEKYPTDI LPDSPTHRVG
     GKILEGFEKY PHQYPLFSLQ DAFSREELLA FDQRVRKEFP QVSYLCELKI DGLSISLTYE
     NGILVAGATR GDGSVGENIT ENLKRVKDIP LTLKEPLDIT VRGECYMPKA SFDAVNQLRQ
     ENGEPEFANP RNAAAGTLRQ LDTAVVAKRN LATFLYQEAS PTQVGSQEEV LNKLADLDFS
     VNPTHILADS IESVWEFIEK IAEERDSLPY EIDGIVIKVN DLAVQEELGF TVKAPKWAIA
     YKFPAEEKEA QLLSVDWTVG RTGVVTPTAN LTPVQLAGTT VSRATLHNVD YIAEKDIRQK
     DTVIVYKAGD IIPAVLRVVE SKRVSEEALE VPSHCPSCES ELVHFEDEVA LRCINPLCPA
     QIKEGLIHFA SRDAMNITGL GPAVVEKLFA QNLVKDVAGI YRLTIENLLE LENFKEKSAN
     KLYTAIQASK KNSAERLLFG LGIRHVGSKA SRILLEKFHD IPRLSQASQE EIAAIDSLGT
     VIAQSLHTYF EQEGSQILLA ELQEAGVNLD YLGQKAAADA ALSGMTVVLT GKLQKLTRNQ
     AKEKLQSLGA NVSGSVSKKT DLVVAGADAG SKLAKAQELG IEIRDEDWLD SL
//
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