MAO1_ECODH
ID MAO1_ECODH Reviewed; 565 AA.
AC B1XE70;
DT 28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT 20-MAY-2008, sequence version 1.
DT 03-AUG-2022, entry version 77.
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};
GN OrderedLocusNames=ECDH10B_1610;
OS Escherichia coli (strain K12 / DH10B).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=316385;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / DH10B;
RX PubMed=18245285; DOI=10.1128/jb.01695-07;
RA Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B.,
RA Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B.,
RA Posfai G., Weinstock G.M., Blattner F.R.;
RT "The complete genome sequence of Escherichia coli DH10B: insights into the
RT biology of a laboratory workhorse.";
RL J. Bacteriol. 190:2597-2606(2008).
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; CP000948; ACB02692.1; -; Genomic_DNA.
DR RefSeq; WP_000433476.1; NC_010473.1.
DR AlphaFoldDB; B1XE70; -.
DR SMR; B1XE70; -.
DR KEGG; ecd:ECDH10B_1610; -.
DR HOGENOM; CLU_011405_5_2_6; -.
DR OMA; QMWDPVY; -.
DR BioCyc; ECOL316385:ECDH10B_RS08250-MON; -.
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.
FT CHAIN 1..565
FT /note="NAD-dependent malic enzyme"
FT /id="PRO_1000185995"
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; 63197 MW; FFD61212F709EE3A CRC64;
MEPKTKKQRS LYIPYAGPVL LEFPLLNKGS AFSMEERRNF NLLGLLPEVV ETIEEQAERA
WIQYQGFKTE IDKHIYLRNI QDTNETLFYR LVNNHLDEMM PVIYTPTVGA ACERFSEIYR
RSRGVFISYQ NRHNMDDILQ NVPNHNIKVI VVTDGERILG LGDQGIGGMG IPIGKLSLYT
ACGGISPAYT LPVVLDVGTN NQQLLNDPLY MGWRNPRITD DEYYEFVDEF IQAVKQRWPD
VLLQFEDFAQ KNAMPLLNRY RNEICSFNDD IQGTAAVTVG TLIAASRAAG GQLSEKKIVF
LGAGSAGCGI AEMIISQTQR EGLSEEAARQ KVFMVDRFGL LTDKMPNLLP FQTKLVQKRE
NLSDWDTDSD VLSLLDVVRN VKPDILIGVS GQTGLFTEEI IREMHKHCPR PIVMPLSNPT
SRVEATPQDI IAWTEGNALV ATGSPFNPVV WKDKIYPIAQ CNNAFIFPGI GLGVIASGAS
RITDEMLMSA SETLAQYSPL VLNGEGMVLP ELKDIQKVSR AIAFAVGKMA QQQGVAVKTS
AEALQQAIDD NFWQAEYRDY RRTSI
