Detail Information for IndEnz0018000622
IED ID IndEnz0018000622
Enzyme Type ID peroxidase000622
Protein Name Dihydrolipoyllysine-residue acetyltransferase component of pyruvate dehydrogenase complex
EC 2.3.1.12
Component of peroxynitrite reductase/peroxidase complex
Component of PNR/P
Dihydrolipoamide acetyltransferase component of pyruvate dehydrogenase complex
Pyruvate dehydrogenase complex component E2
PDH component E2
Gene Name dlaT sucB MT2272
Organism Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Taxonomic Lineage cellular organisms Bacteria Terrabacteria group Actinobacteria Actinomycetia (high G+C Gram-positive bacteria) Corynebacteriales Mycobacteriaceae Mycobacterium Mycobacterium tuberculosis complex Mycobacterium tuberculosis Mycobacterium tuberculosis (strain CDC 1551 / Oshkosh)
Enzyme Sequence MAFSVQMPALGESVTEGTVTRWLKQEGDTVELDEPLVEVSTDKVDTEIPSPAAGVLTKIIAQEDDTVEVGGELAVIGDAKDAGEAAAPAPEKVPAAQPESKPAPEPPPVQPTSGAPAGGDAKPVLMPELGESVTEGTVIRWLKKIGDSVQVDEPLVEVSTDKVDTEIPSPVAGVLVSISADEDATVPVGGELARIGVAADIGAAPAPKPAPKPVPEPAPTPKAEPAPSPPAAQPAGAAEGAPYVTPLVRKLASENNIDLAGVTGTGVGGRIRKQDVLAAAEQKKRAKAPAPAAQAAAAPAPKAPPAPAPALAHLRGTTQKASRIRQITANKTRESLQATAQLTQTHEVDMTKIVGLRARAKAAFAEREGVNLTFLPFFAKAVIDALKIHPNINASYNEDTKEITYYDAEHLGFAVDTEQGLLSPVIHDAGDLSLAGLARAIADIAARARSGNLKPDELSGGTFTITNIGSQGALFDTPILVPPQAAMLGTGAIVKRPRVVVDASGNESIGVRSVCYLPLTYDHRLIDGADAGRFLTTIKHRLEEGAFEADLGL
Enzyme Length 553
Uniprot Accession Number P9WIS6
Absorption
Active Site ACT_SITE 523; /evidence=ECO:0000250; ACT_SITE 527; /evidence=ECO:0000250
Activity Regulation
Binding Site
Calcium Binding
catalytic Activity CATALYTIC ACTIVITY: Reaction=(R)-N(6)-dihydrolipoyl-L-lysyl-[protein] + acetyl-CoA = (R)-N(6)-(S(8)-acetyldihydrolipoyl)-L-lysyl-[protein] + CoA; Xref=Rhea:RHEA:17017, Rhea:RHEA-COMP:10475, Rhea:RHEA-COMP:10478, ChEBI:CHEBI:57287, ChEBI:CHEBI:57288, ChEBI:CHEBI:83100, ChEBI:CHEBI:83111; EC=2.3.1.12;
DNA Binding
EC Number 2.3.1.12
Enzyme Function FUNCTION: Component of the pyruvate dehydrogenase (PDH) complex, that catalyzes the overall conversion of pyruvate to acetyl-CoA and CO(2). {ECO:0000250}.; FUNCTION: Together with AhpC, AhpD and Lpd, constitutes an NADH-dependent peroxidase active against hydrogen and alkyl peroxides as well as serving as a peroxynitrite reductase, thus protecting the bacterium against reactive nitrogen intermediates and oxidative stress generated by the host immune system. {ECO:0000250}.; FUNCTION: Appears to be essential for Mtb pathogenesis. {ECO:0000250}.
Temperature Dependency
PH Dependency
Pathway
nucleotide Binding
Features Active site (2); Chain (1); Compositional bias (2); Domain (3); Modified residue (2); Region (3)
Keywords Acyltransferase;Antioxidant;Glycolysis;Lipoyl;Repeat;Transferase;Virulence
Interact With
Induction
Subcellular Location
Modified Residue MOD_RES 43; /note=N6-lipoyllysine; /evidence=ECO:0000255|PROSITE-ProRule:PRU01066; MOD_RES 162; /note=N6-lipoyllysine; /evidence=ECO:0000255|PROSITE-ProRule:PRU01066
Post Translational Modification
Signal Peptide
Structure 3D
Cross Reference PDB -
Mapped Pubmed ID -
Motif
Gene Encoded By
Mass 57,088
Kinetics
Metal Binding
Rhea ID RHEA:17017
Cross Reference Brenda