DNA ligase 3

NameDNA ligase 3
Synonyms
  • 6.5.1.1
  • DNA ligase III
  • Polydeoxyribonucleotide synthase [ATP] 3
Gene NameLIG3
OrganismHuman
Amino acid sequence
>lcl|BSEQ0036963|DNA ligase 3
MSLAFKIFFPQTLRALSRKELCLFRKHHWRDVRQFSQWSETDLLHGHPLFLRRKPVLSFQ
GSHLRSRATYLVFLPGLHVGLCSGPCEMAEQRFCVDYAKRGTAGCKKCKEKIVKGVCRIG
KVVPNPFSESGGDMKEWYHIKCMFEKLERARATTKKIEDLTELEGWEELEDNEKEQITQH
IADLSSKAAGTPKKKAVVQAKLTTTGQVTSPVKGASFVTSTNPRKFSGFSAKPNNSGEAP
SSPTPKRSLSSSKCDPRHKDCLLREFRKLCAMVADNPSYNTKTQIIQDFLRKGSAGDGFH
GDVYLTVKLLLPGVIKTVYNLNDKQIVKLFSRIFNCNPDDMARDLEQGDVSETIRVFFEQ
SKSFPPAAKSLLTIQEVDEFLLRLSKLTKEDEQQQALQDIASRCTANDLKCIIRLIKHDL
KMNSGAKHVLDALDPNAYEAFKASRNLQDVVERVLHNAQEVEKEPGQRRALSVQASLMTP
VQPMLAEACKSVEYAMKKCPNGMFSEIKYDGERVQVHKNGDHFSYFSRSLKPVLPHKVAH
FKDYIPQAFPGGHSMILDSEVLLIDNKTGKPLPFGTLGVHKKAAFQDANVCLFVFDCIYF
NDVSLMDRPLCERRKFLHDNMVEIPNRIMFSEMKRVTKALDLADMITRVIQEGLEGLVLK
DVKGTYEPGKRHWLKVKKDYLNEGAMADTADLVVLGAFYGQGSKGGMMSIFLMGCYDPGS
QKWCTVTKCAGGHDDATLARLQNELDMVKISKDPSKIPSWLKVNKIYYPDFIVPDPKKAA
VWEITGAEFSKSEAHTADGISIRFPRCTRIRDDKDWKSATNLPQLKELYQLSKEKADFTV
VAGDEGSSTTGGSSEENKGPSGSAVSRKAPSKPSASTKKAEGKLSNSNSKDGNMQTAKPS
AMKVGEKLATKSSPVKVGEKRKAADETLCQTKVLLDIFTGVRLYLPPSTPDFSRLRRYFV
AFDGDLVQEFDMTSATHVLGSRDKNPAAQQVSPEWIWACIRKRRLVAPC
Number of residues1009
Molecular Weight112905.96
Theoretical pI9.17
GO Classification
Functions
  • zinc ion binding
  • ATP binding
  • DNA binding
  • DNA ligase (ATP) activity
  • DNA ligase activity
Processes
  • nucleotide-excision repair
  • negative regulation of mitochondrial DNA replication
  • base-excision repair
  • nucleotide-excision repair, DNA gap filling
  • transcription-coupled nucleotide-excision repair
  • double-strand break repair
  • double-strand break repair via homologous recombination
  • base-excision repair, DNA ligation
  • DNA biosynthetic process
  • DNA ligation
  • DNA replication
  • double-strand break repair via alternative nonhomologous end joining
  • DNA repair
  • double-strand break repair via nonhomologous end joining
  • global genome nucleotide-excision repair
  • mitochondrial DNA repair
  • cell division
  • mitochondrion organization
  • cell cycle
  • negative regulation of DNA recombination
Components
  • nucleoplasm
  • DNA ligase III-XRCC1 complex
  • mitochondrion
  • synaptonemal complex
  • nucleus
General FunctionZinc ion binding
Specific FunctionIsoform 3 functions as heterodimer with DNA-repair protein XRCC1 in the nucleus and can correct defective DNA strand-break repair and sister chromatid exchange following treatment with ionizing radiation and alkylating agents. Isoform 1 is targeted to mitochondria, where it functions as DNA ligase in mitochondrial base-excision DNA repair (PubMed:10207110, PubMed:24674627).
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID860963
UniProtKB IDP49916
UniProtKB Entry NameDNLI3_HUMAN
Cellular LocationMitochondrion
Gene sequence
>lcl|BSEQ0009981|DNA ligase 3 (LIG3)
ATGTCTTTGGCTTTCAAGATCTTCTTTCCACAAACCCTCCGTGCACTCAGCCGAAAAGAA
CTGTGCCTATTCCGAAAACATCACTGGCGTGATGTAAGACAATTCAGCCAGTGGTCAGAA
ACAGATCTGCTTCATGGACATCCCCTCTTCCTGAGAAGAAAGCCTGTTCTATCATTCCAG
GGAAGCCATCTAAGATCACGTGCCACCTACCTTGTTTTCTTGCCAGGGTTGCATGTGGGA
CTCTGCAGTGGCCCCTGTGAGATGGCTGAGCAACGGTTCTGTGTGGACTATGCCAAGCGT
GGCACAGCTGGCTGCAAAAAATGCAAGGAAAAGATTGTGAAGGGCGTATGCCGAATTGGC
AAAGTGGTGCCCAATCCCTTCTCAGAGTCTGGGGGTGATATGAAAGAGTGGTACCACATT
AAATGCATGTTTGAGAAACTAGAGCGGGCCCGGGCCACCACAAAAAAAATCGAGGACCTC
ACAGAGCTGGAAGGCTGGGAAGAGCTGGAAGATAATGAGAAGGAACAGATAACCCAGCAC
ATTGCAGATCTGTCTTCTAAGGCAGCAGGTACACCAAAGAAGAAAGCTGTTGTCCAGGCT
AAGTTGACAACCACTGGCCAGGTGACTTCTCCAGTGAAAGGCGCCTCATTTGTCACCAGT
ACCAATCCCCGGAAATTTTCTGGCTTTTCAGCCAAGCCCAACAACTCTGGGGAAGCCCCC
TCGAGCCCCACCCCTAAGAGAAGTCTGTCTTCAAGCAAATGTGACCCCAGGCATAAGGAC
TGTCTGCTACGGGAGTTTCGAAAGTTATGCGCCATGGTGGCCGATAATCCTAGCTACAAC
ACGAAGACCCAGATCATCCAGGACTTCCTTCGGAAAGGCTCAGCAGGAGATGGTTTCCAC
GGTGATGTGTACCTAACAGTGAAGCTGCTGCTGCCAGGAGTCATTAAGACTGTTTACAAC
TTGAACGATAAGCAGATTGTGAAGCTTTTCAGTCGCATTTTTAACTGCAACCCAGATGAT
ATGGCACGGGACCTAGAGCAGGGTGACGTGTCAGAGACAATCAGAGTCTTCTTTGAGCAG
AGCAAGTCTTTCCCCCCAGCTGCCAAGAGCCTCCTTACCATCCAGGAAGTGGATGAGTTC
CTTCTGCGGCTGTCCAAGCTCACCAAGGAGGATGAGCAGCAACAGGCCCTACAGGACATT
GCCTCCAGGTGTACAGCCAATGACCTTAAATGCATCATCAGGTTGATCAAACATGATCTG
AAGATGAACTCAGGTGCAAAACATGTGTTAGACGCCCTTGACCCCAATGCCTATGAAGCC
TTCAAAGCCTCGCGCAACCTGCAGGATGTGGTGGAGCGGGTCCTTCACAACGCGCAGGAG
GTGGAGAAGGAGCCGGGCCAGAGACGAGCTCTGAGCGTCCAGGCCTCGCTGATGACACCT
GTGCAGCCCATGTTGGCGGAGGCCTGCAAGTCCGTTGAGTATGCAATGAAGAAATGTCCC
AATGGCATGTTCTCTGAGATCAAGTACGATGGAGAGCGAGTCCAGGTGCATAAGAATGGA
GACCACTTCAGCTACTTCAGCCGCAGTCTCAAGCCCGTCCTTCCTCACAAGGTGGCCCAC
TTTAAGGACTACATTCCCCAGGCTTTTCCTGGGGGCCACAGCATGATCTTGGATTCTGAA
GTGCTTCTGATTGACAACAAGACAGGCAAACCACTGCCCTTTGGGACTCTGGGAGTACAC
AAGAAAGCAGCCTTCCAGGATGCTAATGTCTGCCTGTTTGTTTTTGATTGTATCTACTTT
AATGATGTCAGCTTGATGGACAGACCTCTGTGTGAGCGGCGGAAGTTTCTTCATGACAAC
ATGGTTGAAATTCCAAACCGGATCATGTTCTCAGAAATGAAGCGAGTCACAAAAGCTTTG
GACTTGGCTGACATGATAACCCGGGTGATCCAGGAGGGATTGGAGGGGCTGGTGCTGAAG
GATGTGAAGGGTACATATGAGCCTGGGAAGCGGCACTGGCTGAAAGTGAAGAAAGACTAT
TTGAACGAGGGGGCCATGGCCGACACAGCTGACCTGGTGGTCCTTGGAGCCTTCTATGGG
CAAGGGAGCAAAGGCGGCATGATGTCAATCTTCCTCATGGGCTGCTACGACCCTGGCAGC
CAGAAGTGGTGCACAGTCACCAAGTGTGCAGGAGGCCATGATGATGCCACGCTTGCCCGC
CTGCAGAATGAACTAGACATGGTGAAGATCAGCAAGGACCCCAGCAAAATACCCAGCTGG
TTGAAGGTCAACAAGATCTACTATCCTGACTTCATCGTCCCAGACCCAAAGAAAGCTGCC
GTGTGGGAGATCACAGGGGCTGAATTCTCCAAATCGGAGGCTCATACAGCTGACGGGATC
TCCATCCGATTCCCTCGCTGCACCCGAATCCGAGATGATAAGGACTGGAAATCTGCCACT
AACCTTCCCCAACTCAAGGAACTGTACCAGTTGTCCAAGGAGAAGGCAGACTTCACTGTA
GTGGCTGGAGATGAGGGGAGCTCCACTACAGGGGGTAGCAGTGAAGAGAATAAGGGTCCC
TCAGGGTCTGCTGTGTCCCGCAAGGCCCCCAGCAAGCCCTCAGCCAGTACCAAGAAAGCA
GAAGGGAAGCTGAGTAACTCCAACAGCAAAGATGGCAACATGCAGACTGCAAAGCCTTCC
GCTATGAAGGTGGGGGAGAAGCTGGCCACAAAGTCTTCTCCAGTGAAAGTAGGGGAGAAG
CGGAAAGCTGCTGATGAGACGCTGTGCCAAACAAAGAGGCGGCCAGCCAGTGAGCAGAGA
GGAAGAACTGTGCCAGCAGGCAGGAGATAG
GenBank Gene IDX84740
GeneCard IDNot Available
GenAtlas IDLIG3
HGNC IDHGNC:6600
Chromosome Location17
Locus17q11.2-q12
References
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