RRAAH_MYCBT
ID RRAAH_MYCBT Reviewed; 157 AA.
AC C1AIV9;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 26-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 63.
DE RecName: Full=Putative 4-hydroxy-4-methyl-2-oxoglutarate aldolase;
DE Short=HMG aldolase;
DE EC=4.1.3.17;
DE AltName: Full=Oxaloacetate decarboxylase;
DE Short=OAA decarboxylase;
DE EC=4.1.1.112;
DE AltName: Full=Regulator of ribonuclease activity homolog;
DE AltName: Full=RraA-like protein;
GN OrderedLocusNames=JTY_3918;
OS Mycobacterium bovis (strain BCG / Tokyo 172 / ATCC 35737 / TMC 1019).
OC Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC Mycobacterium; Mycobacterium tuberculosis complex.
OX NCBI_TaxID=561275;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=BCG / Tokyo 172 / ATCC 35737 / TMC 1019;
RX PubMed=19200449; DOI=10.1016/j.vaccine.2009.01.034;
RA Seki M., Honda I., Fujita I., Yano I., Yamamoto S., Koyama A.;
RT "Whole genome sequence analysis of Mycobacterium bovis bacillus Calmette-
RT Guerin (BCG) Tokyo 172: a comparative study of BCG vaccine substrains.";
RL Vaccine 27:1710-1716(2009).
CC -!- FUNCTION: Catalyzes the aldol cleavage of 4-hydroxy-4-methyl-2-
CC oxoglutarate (HMG) into 2 molecules of pyruvate. Also contains a
CC secondary oxaloacetate (OAA) decarboxylase activity due to the common
CC pyruvate enolate transition state formed following C-C bond cleavage in
CC the retro-aldol and decarboxylation reactions (By similarity).
CC {ECO:0000250}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=4-hydroxy-4-methyl-2-oxoglutarate = 2 pyruvate;
CC Xref=Rhea:RHEA:22748, ChEBI:CHEBI:15361, ChEBI:CHEBI:58276;
CC EC=4.1.3.17;
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H(+) + oxaloacetate = CO2 + pyruvate; Xref=Rhea:RHEA:15641,
CC ChEBI:CHEBI:15361, ChEBI:CHEBI:15378, ChEBI:CHEBI:16452,
CC ChEBI:CHEBI:16526; EC=4.1.1.112;
CC -!- COFACTOR:
CC Name=a divalent metal cation; Xref=ChEBI:CHEBI:60240;
CC Evidence={ECO:0000250};
CC Note=Divalent metal cation. {ECO:0000250};
CC -!- SUBUNIT: Homotrimer. {ECO:0000250}.
CC -!- SIMILARITY: Belongs to the class II aldolase/RraA-like family.
CC {ECO:0000305}.
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DR EMBL; AP010918; BAH28188.1; -; Genomic_DNA.
DR RefSeq; WP_003399786.1; NZ_CP014566.1.
DR AlphaFoldDB; C1AIV9; -.
DR SMR; C1AIV9; -.
DR GeneID; 45427857; -.
DR KEGG; mbt:JTY_3918; -.
DR HOGENOM; CLU_072626_4_0_11; -.
DR OMA; RSCDTQF; -.
DR GO; GO:0047443; F:4-hydroxy-4-methyl-2-oxoglutarate aldolase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0008948; F:oxaloacetate decarboxylase activity; IEA:UniProtKB-EC.
DR GO; GO:0008428; F:ribonuclease inhibitor activity; IEA:InterPro.
DR GO; GO:0051252; P:regulation of RNA metabolic process; IEA:InterPro.
DR CDD; cd16841; RraA_family; 1.
DR InterPro; IPR010203; RraA.
DR InterPro; IPR005493; RraA/RraA-like.
DR InterPro; IPR036704; RraA/RraA-like_sf.
DR Pfam; PF03737; RraA-like; 1.
DR SUPFAM; SSF89562; SSF89562; 1.
DR TIGRFAMs; TIGR01935; NOT-MenG; 1.
PE 3: Inferred from homology;
KW Lyase; Metal-binding.
FT CHAIN 1..157
FT /note="Putative 4-hydroxy-4-methyl-2-oxoglutarate aldolase"
FT /id="PRO_1000135495"
FT BINDING 78..81
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 100
FT /ligand="substrate"
FT /evidence="ECO:0000250"
FT BINDING 101
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000250"
SQ SEQUENCE 157 AA; 16235 MW; 92BD93F60B66E793 CRC64;
MAISFRPTAD LVDDIGPDVR SCDLQFRQFG GRSQFAGPIS TVRCFQDNAL LKSVLSQPSA
GGVLVIDGAG SLHTALVGDV IAELARSTGW TGLIVHGAVR DAAALRGIDI GIKALGTNPR
KSTKTGAGER DVEITLGGVT FVPGDIAYSD DDGIIVV
