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RRAAH_ALCBS
ID   RRAAH_ALCBS             Reviewed;         160 AA.
AC   Q0VQ55;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   05-SEP-2006, sequence version 1.
DT   03-AUG-2022, entry version 86.
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=ABO_1245;
OS   Alcanivorax borkumensis (strain ATCC 700651 / DSM 11573 / NCIMB 13689 /
OS   SK2).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Oceanospirillales;
OC   Alcanivoracaceae; Alcanivorax.
OX   NCBI_TaxID=393595;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 700651 / DSM 11573 / NCIMB 13689 / SK2;
RX   PubMed=16878126; DOI=10.1038/nbt1232;
RA   Schneiker S., Martins dos Santos V.A.P., Bartels D., Bekel T., Brecht M.,
RA   Buhrmester J., Chernikova T.N., Denaro R., Ferrer M., Gertler C.,
RA   Goesmann A., Golyshina O.V., Kaminski F., Khachane A.N., Lang S., Linke B.,
RA   McHardy A.C., Meyer F., Nechitaylo T., Puehler A., Regenhardt D., Rupp O.,
RA   Sabirova J.S., Selbitschka W., Yakimov M.M., Timmis K.N., Vorhoelter F.-J.,
RA   Weidner S., Kaiser O., Golyshin P.N.;
RT   "Genome sequence of the ubiquitous hydrocarbon-degrading marine bacterium
RT   Alcanivorax borkumensis.";
RL   Nat. Biotechnol. 24:997-1004(2006).
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; AM286690; CAL16693.1; -; Genomic_DNA.
DR   RefSeq; WP_011588528.1; NC_008260.1.
DR   AlphaFoldDB; Q0VQ55; -.
DR   SMR; Q0VQ55; -.
DR   STRING; 393595.ABO_1245; -.
DR   EnsemblBacteria; CAL16693; CAL16693; ABO_1245.
DR   KEGG; abo:ABO_1245; -.
DR   eggNOG; COG0684; Bacteria.
DR   HOGENOM; CLU_072626_4_0_6; -.
DR   OMA; RSCDTQF; -.
DR   OrthoDB; 1614890at2; -.
DR   Proteomes; UP000008871; Chromosome.
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; Reference proteome.
FT   CHAIN           1..160
FT                   /note="Putative 4-hydroxy-4-methyl-2-oxoglutarate aldolase"
FT                   /id="PRO_1000013822"
FT   BINDING         76..79
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000250"
FT   BINDING         99
FT                   /ligand="a divalent metal cation"
FT                   /ligand_id="ChEBI:CHEBI:60240"
FT                   /evidence="ECO:0000250"
SQ   SEQUENCE   160 AA;  16970 MW;  725B22F24FE43610 CRC64;
     MTFVTCDLCD DNADSVCVVT GLNWLSYGGR DAFGGEIVTV KCFEDNSRVK EHLGTDGKGK
     VLVVDGGGSL RNALIGDMIA ENAVKNGWEG VIIYGACRDV DALAKLDIGV ITLGCVPIKS
     VRRDEGQLNI EITFGGVVFR PGEFVYADNN GIITAPKALV
 
 
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