MAO1_CITK8
ID MAO1_CITK8 Reviewed; 565 AA.
AC A8AGN6;
DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 23-OCT-2007, sequence version 1.
DT 03-AUG-2022, entry version 84.
DE RecName: Full=NAD-dependent malic enzyme {ECO:0000255|HAMAP-Rule:MF_01619};
DE Short=NAD-ME {ECO:0000255|HAMAP-Rule:MF_01619};
DE EC=1.1.1.38 {ECO:0000255|HAMAP-Rule:MF_01619};
GN Name=maeA {ECO:0000255|HAMAP-Rule:MF_01619}; OrderedLocusNames=CKO_01517;
OS Citrobacter koseri (strain ATCC BAA-895 / CDC 4225-83 / SGSC4696).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Citrobacter.
OX NCBI_TaxID=290338;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-895 / CDC 4225-83 / SGSC4696;
RG The Citrobacter koseri Genome Sequencing Project;
RA McClelland M., Sanderson E.K., Porwollik S., Spieth J., Clifton W.S.,
RA Latreille P., Courtney L., Wang C., Pepin K., Bhonagiri V., Nash W.,
RA Johnson M., Thiruvilangam P., Wilson R.;
RL Submitted (AUG-2007) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-malate + NAD(+) = CO2 + NADH + pyruvate;
CC Xref=Rhea:RHEA:12653, ChEBI:CHEBI:15361, ChEBI:CHEBI:15589,
CC ChEBI:CHEBI:16526, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=1.1.1.38;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01619};
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=1.1.1.38; Evidence={ECO:0000255|HAMAP-
CC Rule:MF_01619};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01619};
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01619};
CC Note=Divalent metal cations. Prefers magnesium or manganese.
CC {ECO:0000255|HAMAP-Rule:MF_01619};
CC -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01619}.
CC -!- SIMILARITY: Belongs to the malic enzymes family. {ECO:0000255|HAMAP-
CC Rule:MF_01619}.
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DR EMBL; CP000822; ABV12649.1; -; Genomic_DNA.
DR RefSeq; WP_012132390.1; NC_009792.1.
DR AlphaFoldDB; A8AGN6; -.
DR SMR; A8AGN6; -.
DR STRING; 290338.CKO_01517; -.
DR EnsemblBacteria; ABV12649; ABV12649; CKO_01517.
DR GeneID; 45135583; -.
DR KEGG; cko:CKO_01517; -.
DR HOGENOM; CLU_011405_5_2_6; -.
DR OMA; QMWDPVY; -.
DR OrthoDB; 654531at2; -.
DR Proteomes; UP000008148; Chromosome.
DR GO; GO:0004471; F:malate dehydrogenase (decarboxylating) (NAD+) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0051287; F:NAD binding; IEA:InterPro.
DR GO; GO:0008948; F:oxaloacetate decarboxylase activity; IEA:UniProtKB-UniRule.
DR Gene3D; 3.40.50.10380; -; 1.
DR HAMAP; MF_01619; NAD_malic_enz; 1.
DR InterPro; IPR046346; Aminiacid_DH-like_N_sf.
DR InterPro; IPR015884; Malic_enzyme_CS.
DR InterPro; IPR012301; Malic_N_dom.
DR InterPro; IPR037062; Malic_N_dom_sf.
DR InterPro; IPR012302; Malic_NAD-bd.
DR InterPro; IPR001891; Malic_OxRdtase.
DR InterPro; IPR036291; NAD(P)-bd_dom_sf.
DR InterPro; IPR023667; NAD_malic_enz_proteobac.
DR Pfam; PF00390; malic; 1.
DR Pfam; PF03949; Malic_M; 1.
DR PIRSF; PIRSF000106; ME; 1.
DR PRINTS; PR00072; MALOXRDTASE.
DR SMART; SM01274; malic; 1.
DR SMART; SM00919; Malic_M; 1.
DR SUPFAM; SSF51735; SSF51735; 1.
DR SUPFAM; SSF53223; SSF53223; 1.
DR PROSITE; PS00331; MALIC_ENZYMES; 1.
PE 3: Inferred from homology;
KW Metal-binding; NAD; Oxidoreductase; Reference proteome.
FT CHAIN 1..565
FT /note="NAD-dependent malic enzyme"
FT /id="PRO_1000069527"
FT ACT_SITE 104
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT ACT_SITE 175
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 157
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 246
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 247
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 270
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 270
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 418
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT SITE 270
FT /note="Important for activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
SQ SEQUENCE 565 AA; 63172 MW; B516B2A6989E620F CRC64;
METKIKKQRS LYIPYAGPVL LEFPLLNKGS AFSIEERRNF NLLGLLPEVV ESIEEQAERA
WIQYQGFKTE IDKHIYLRNI QDTNETLFYR LVQNHLDEMM PVIYTPTVGA ACERFSEIYR
RARGVFISYQ NRHNMDDILQ NVPNHNIKVI VVTDGERILG LGDQGIGGMG IPIGKLSLYT
ACGGISPAYT LPVVLDVGTN NQQLLNDPLY MGWRNPRITD DEYYEFVDEF IQAVKQRWPD
VLLQFEDFAQ KNAMPLLNRY RDEICSFNDD IQGTAAVTVG TLIAASRAAG SQLSEQKIVF
LGAGSAGCGI AEQIIAQTQR EGLSEEAARQ KVFMVDRFGL LTDQMPNLLS FQTKLVQKRE
NLQHWDSESE VLSLLDVVRN VKPDILIGVS GQTGLFTEEI IREMHKHCPR PIVMPLSNPT
SRVEATPQDI IAWTEGNALV ATGSPFAPVA WKDKIYPIAQ CNNAYIFPGI GLGVIASGAS
RITDEMLMSA SETLAKYSPL VLNGEGLVLP ELKDIQTVSR AIAFAVGKMA QQQGVAVKTS
AEALQQAIDE NFWQAEYRDY RRTSI