HAMAP rule MF_01587
General rule information
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| PURL | https://purl.expasy.org/hamap/rule/MF_01587 |
| Accession | MF_01587 |
| Dates | 15-NOV-2007 (Created)
28-APR-2022 (Last updated, Version 15) |
| Name | DNA_ligase_B |
| Scope(s) |
Bacteria Gammaproteobacteria |
| Template(s) | P25772; [ Recover all ] |
| Triggered by |
HAMAP; MF_01587 (Get profile general information and statistics) |
Propagated annotation
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Identifier, protein and gene names
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| Identifier | LIGB |
| Protein name | RecName: Full=DNA ligase B; EC=6.5.1.2; AltName: Full=Polydeoxyribonucleotide synthase [NAD(+)] B; |
| Gene name | Name=ligB; |
Comments
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| FUNCTION | Catalyzes the formation of phosphodiester linkages between 5'-phosphoryl and 3'-hydroxyl groups in double-stranded DNA using NAD as a coenzyme and as the energy source for the reaction. |
| CATALYTIC ACTIVITY | Reaction=NAD(+) + (deoxyribonucleotide)n-3'-hydroxyl + 5'-phospho- (deoxyribonucleotide)m = (deoxyribonucleotide)n+m + AMP + beta- nicotinamide D-nucleotide.; EC=6.5.1.2; |
| SIMILARITY | Belongs to the NAD-dependent DNA ligase family. LigB subfamily. |
Keywords
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Gene Ontology
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| GO:0003911; Molecular function:DNA ligase (NAD+) activity |
| GO:0006259; Biological process:DNA metabolic process |
Cross-references
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| PROSITE | PS01055; DNA_LIGASE_N1; 1; |
| PROSITE | PS01056; DNA_LIGASE_N2; 1; |
| Pfam | PF01653; DNA_ligase_aden; 1; |
| Pfam | PF03120; DNA_ligase_OB; 1; |
Features
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| From: LIGB_ECOLI (P25772) | ||||||||||||
| Key | From | To | Description | Tag | Condition | FTGroup | ||||||
| ACT_SITE | 124 | 124 | /note="N6-AMP-lysine intermediate" | K | ||||||||
Additional information
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| Size range | 554-629 amino acids |
| Related rules |
MF_01588 |
| Fusion | Nter: None Cter: None |