ID A0A364RFM5_9BACT Unreviewed; 231 AA.
AC A0A364RFM5;
DT 07-NOV-2018, integrated into UniProtKB/TrEMBL.
DT 07-NOV-2018, sequence version 1.
DT 27-MAR-2024, entry version 18.
DE RecName: Full=NAD-dependent protein deacylase {ECO:0000256|HAMAP-Rule:MF_01121};
DE EC=2.3.1.286 {ECO:0000256|HAMAP-Rule:MF_01121};
DE AltName: Full=Regulatory protein SIR2 homolog {ECO:0000256|HAMAP-Rule:MF_01121};
GN Name=cobB {ECO:0000256|HAMAP-Rule:MF_01121};
GN ORFNames=DP923_07670 {ECO:0000313|EMBL:RAU83099.1};
OS Pontibacter arcticus.
OC Bacteria; Bacteroidota; Cytophagia; Cytophagales; Hymenobacteraceae;
OC Pontibacter.
OX NCBI_TaxID=2080288 {ECO:0000313|EMBL:RAU83099.1, ECO:0000313|Proteomes:UP000251692};
RN [1] {ECO:0000313|EMBL:RAU83099.1, ECO:0000313|Proteomes:UP000251692}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2b14 {ECO:0000313|EMBL:RAU83099.1,
RC ECO:0000313|Proteomes:UP000251692};
RA Liu Z.-W.;
RL Submitted (JUN-2018) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:RAU83099.1, ECO:0000313|Proteomes:UP000251692}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2b14 {ECO:0000313|EMBL:RAU83099.1,
RC ECO:0000313|Proteomes:UP000251692};
RA Du Z.-J.;
RT "Pontibacter sp. 2b14 genomic sequence and assembly.";
RL Submitted (JUL-2018) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: NAD-dependent lysine deacetylase and desuccinylase that
CC specifically removes acetyl and succinyl groups on target proteins.
CC Modulates the activities of several proteins which are inactive in
CC their acylated form. {ECO:0000256|HAMAP-Rule:MF_01121}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N(6)-acetyl-L-lysyl-[protein] + NAD(+) = 2''-O-acetyl-
CC ADP-D-ribose + L-lysyl-[protein] + nicotinamide;
CC Xref=Rhea:RHEA:43636, Rhea:RHEA-COMP:9752, Rhea:RHEA-COMP:10731,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:17154, ChEBI:CHEBI:29969,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:61930, ChEBI:CHEBI:83767;
CC EC=2.3.1.286; Evidence={ECO:0000256|HAMAP-Rule:MF_01121};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + N(6)-succinyl-L-lysyl-[protein] + NAD(+) = 2''-O-
CC succinyl-ADP-D-ribose + L-lysyl-[protein] + nicotinamide;
CC Xref=Rhea:RHEA:47668, Rhea:RHEA-COMP:9752, Rhea:RHEA-COMP:11877,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:17154, ChEBI:CHEBI:29969,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:87830, ChEBI:CHEBI:87832;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01121};
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01121}.
CC -!- DOMAIN: 2 residues (Tyr-54 and Arg-57) present in a large hydrophobic
CC pocket are probably involved in substrate specificity. They are
CC important for desuccinylation activity, but dispensable for
CC deacetylation activity. {ECO:0000256|HAMAP-Rule:MF_01121}.
CC -!- SIMILARITY: Belongs to the sirtuin family. Class III subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_01121}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01121,
CC ECO:0000256|PROSITE-ProRule:PRU00236}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:RAU83099.1}.
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DR EMBL; QMDV01000002; RAU83099.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A364RFM5; -.
DR OrthoDB; 9800582at2; -.
DR Proteomes; UP000251692; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0070403; F:NAD+ binding; IEA:UniProtKB-UniRule.
DR GO; GO:0034979; F:NAD-dependent protein deacetylase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0036054; F:protein-malonyllysine demalonylase activity; IEA:InterPro.
DR GO; GO:0036055; F:protein-succinyllysine desuccinylase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0016740; F:transferase activity; IEA:UniProtKB-KW.
DR CDD; cd01412; SIRT5_Af1_CobB; 1.
DR Gene3D; 3.30.1600.10; SIR2/SIRT2 'Small Domain; 1.
DR Gene3D; 3.40.50.1220; TPP-binding domain; 1.
DR HAMAP; MF_01121; Sirtuin_ClassIII; 1.
DR InterPro; IPR029035; DHS-like_NAD/FAD-binding_dom.
DR InterPro; IPR003000; Sirtuin.
DR InterPro; IPR026591; Sirtuin_cat_small_dom_sf.
DR InterPro; IPR027546; Sirtuin_class_III.
DR InterPro; IPR026590; Ssirtuin_cat_dom.
DR PANTHER; PTHR11085:SF12; NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL; 1.
DR PANTHER; PTHR11085; NAD-DEPENDENT PROTEIN DEACYLASE SIRTUIN-5, MITOCHONDRIAL-RELATED; 1.
DR Pfam; PF02146; SIR2; 1.
DR SUPFAM; SSF52467; DHS-like NAD/FAD-binding domain; 1.
DR PROSITE; PS50305; SIRTUIN; 1.
PE 3: Inferred from homology;
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01121};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01121};
KW Reference proteome {ECO:0000313|Proteomes:UP000251692};
KW Transferase {ECO:0000256|ARBA:ARBA00022679}.
FT DOMAIN 1..229
FT /note="Deacetylase sirtuin-type"
FT /evidence="ECO:0000259|PROSITE:PS50305"
FT ACT_SITE 105
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 10..29
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 54
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 57
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 87..90
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 171..173
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
FT BINDING 215
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01121"
SQ SEQUENCE 231 AA; 25693 MW; D0B32A67A8A99D44 CRC64;
MKKRLVVLTG AGISAESGVA TFRDSGGLWE GHDVMEVASP QGWRKNPALV LDFYNKRRKN
AHEAKPNAGH LALVELESYF DVQIITQNVD DLHERAGSKS VLHLHGKLFE SRSTLDPSLV
YKMEGWALNI GDKCERGSQL RPNIVWFGEP VPMIEKAMDE ALQADIFMVV GTSLVVYPAA
GLVDYVSEEV PLFVVDPNLP AIPKRENLYL FEEKASTGLM KVKDLLISKF L
//