⊟Summary[edit | edit source]
- pan ID?: SAUPAN001858000
- symbol?: sirTM
- synonym:
- description?: deacetylase SIR2- deacetylase SIR2
- NAD-dependent deacetylase
- NAD-dependent protein deacetylase, SIR2 family
- NAD-dependent protein deacetylase of SIR2family
- NAD-dependent protein deacetylase SIR2 family-like protein
- Sir2 family NAD-dependent protein deacetylase-like protein
- SIR2 family protein
- Sir2 silent information regulator family NAD-dependent deacetylase
 descriptions from strain specific annotations: 
- strand?: +
- coordinates?: 2355841..2356801
- synteny block?: BlockID0012330
- occurrence?: in 94% of 34 strains
sirTM (srtN) : ADP ribosyltransferase SIR2 [1]
SirTM proteins are structurally related to sirtuin deacetylases but rather than deacetylating target proteins, SirTM adds an ADP-ribose. This posttranslational modification appears to be exclusive to lipoylated proteins like GcvH-L where it protects from redox stress responses. It might also prevent association between co-regulated oxidoreductases (OfrB, SAUPAN001855000, SAUPAN001862000) and GcvH-L where the ribosylate-free lipoylate moiety of GcvH-L can power the ROS-scavenging oxidoreductase activity. SirTM enzymes work with a partner macrodomain (SirHR) protein that recognizes "MARylated" (mono-ADP-ribosylated) lipoylproteins and performs the ADP ribose removal function.
⊟Orthologs[edit | edit source]
⊟Genome Viewer[edit | edit source]
| COL | |
| N315 | |
| NCTC8325 | |
| Newman | |
| USA300_FPR3757 | |
| JSNZ | 
⊟Alignments[edit | edit source]
- alignment of orthologues: CLUSTAL format alignment by MAFFT L-INS-i (v7.307)
 COL -MQSSKWNAMSLLMDDKTKQAEVLRTAIDEADAIVIGIGAGMSASDGFTYVGERFTENFP
 N315 MMQSSKWNAMSLLMDEKTKQAEVLRTAIDEADAIVIGIGAGMSASDGFTYVGERFTENFP
 NCTC8325 -MQSSKWNAMSLLMDDKTKQAEVLRTAIDEADAIVIGIGAGMSASDGFTYVGERFTENFP
 Newman -MQSSKWNAMSLLMDDKTKQAEVLRTAIDEADAIVIGIGAGMSASDGFTYVGERFTENFP
 USA300_FPR3757 -MQSSKWNAMSLLMDDKTKQAEVLRTAIDEADAIVIGIGAGMSASDGFTYVGERFTENFP
 **************:********************************************
 COL DFIEKYRFFDMLQASLHPYGSWQEYWAFESRFITLNYLDQPVGQSYLALKSLVEGKQYHI
 N315 DFIEKYRFFDMLQASLHPYGSWQEYWAFESRFITLNYLDQPVGQSYLALKSLVEGKQYHI
 NCTC8325 DFIEKYRFFDMLQASLHPYGSWQEYWAFESRFITLNYLDQPVGQSYLALKSLVEGKQYHI
 Newman DFIEKYRFFDMLQASLHPYGSWQEYWAFESRFITLNYLDQPVGQSYLALKSLVEGKQYHI
 USA300_FPR3757 DFIEKYRFFDMLQASLHPYGSWQEYWAFESRFITLNYLDQPVGQSYLALKSLVEGKQYHI
 ************************************************************
 COL ITTNADNAFDVADYDMTHVFHIQGEYILQQCSQHCHAQTYRNDDLIRKMVVAQQDMLIPW
 N315 ITTNADNAFDAAEYDMTHVFHIQGEYILQQCSQHCHAQTYRNDDLIRKMVVAQQDMLIPW
 NCTC8325 ITTNADNAFDVADYDMTHVFHIQGEYILQQCSQHCHAQTYRNDDLIRKMVVAQQDMLIPW
 Newman ITTNADNAFDVADYDMTHVFHIQGEYILQQCSQHCHAQTYRNDDLIRKMVVAQQDMLIPW
 USA300_FPR3757 ITTNADNAFDVADYDMTHVFHIQGEYILQQCSQHCHAQTYRNDDLIRKMVVAQQDMLIPW
 **********.*:***********************************************
 COL EMIPRCPKCDAPMEVNKRKAEVGMVEDAEFHAQLHRYNAFLEQHQDDKVLYLEIGIGYTT
 N315 EMIPRCPKCDAPMEVNKRKAEVGMVEDAEFHAQLQRYNAFLEQHQDDKVLYLEIGIGYTT
 NCTC8325 EMIPRCPKCDAPMEVNKRKAEVGMVEDAEFHAQLHRYNAFLEQHQDDKVLYLEIGIGYTT
 Newman EMIPRCPKCDAPMEVNKRKAEVGMVEDAEFHAQLHRYNAFLEQHQDDKVLYLEIGIGYTT
 USA300_FPR3757 EMIPRCPKCDAPMEVNKRKAEVGMVEDAEFHAQLHRYNAFLEQHQDDKVLYLEIGIGYTT
 **********************************:*************************
 COL PQFVKHPFQRMTRKNENALYMTMNKKAYRIPNSIQERTIHLTEDISTLITAALRNDSTTK
 N315 PQFVKHPFQRMTRKNENAIYMTMNKKAYRIPNSIQERTIHLTEDISTLITTALRNDSTTQ
 NCTC8325 PQFVKHPFQRMTRKNENALYMTMNKKAYRIPNSIQERTIHLTEDISTLITAALRNDSTTK
 Newman PQFVKHPFQRMTRKNENALYMTMNKKAYRIPNSIQERTIHLTEDISTLITAALRNDSTTK
 USA300_FPR3757 PQFVKHPFQRMTRKNENALYMTMNKKAYRIPNSIQERTIHLTEDISTLITAALRNDSTTK
 ******************:*******************************:********:
 COL NNNIGETEDVLNRTD
 N315 NNNIGETEDVLNRTD
 NCTC8325 NNNIGETEDVLNRTD
 Newman NNNIGETEDVLNRTD
 USA300_FPR3757 NNNIGETEDVLNRTD
 ***************
- ↑ Johannes Gregor Matthias Rack, Rosa Morra, Eva Barkauskaite, Rolf Kraehenbuehl, Antonio Ariza, Yue Qu, Mary Ortmayer, Orsolya Leidecker, David R Cameron, Ivan Matic, Anton Y Peleg, David Leys, Ana Traven, Ivan Ahel  
 Identification of a Class of Protein ADP-Ribosylating Sirtuins in Microbial Pathogens.
 Mol Cell: 2015, 59(2);309-20
 [PubMed:26166706] [WorldCat.org] [DOI] (I p)Rachel M Burckhardt, Brandi A Buckner, Jorge C Escalante-Semerena
 Staphylococcus aureus modulates the activity of acetyl-Coenzyme A synthetase (Acs) by sirtuin-dependent reversible lysine acetylation.
 Mol Microbiol: 2019, 112(2);588-604
 [PubMed:31099918] [WorldCat.org] [DOI] (I p)Antonio Ariza, Qiang Liu, Nathan P Cowieson, Ivan Ahel, Dmitri V Filippov, Johannes Gregor Matthias Rack
 Evolutionary and molecular basis of ADP-ribosylation reversal by zinc-dependent macrodomains.
 J Biol Chem: 2024, 300(10);107770
 [PubMed:39270823] [WorldCat.org] [DOI] (I p)