MAO1_IDILO
ID MAO1_IDILO Reviewed; 562 AA.
AC Q5QWY8;
DT 06-DEC-2005, integrated into UniProtKB/Swiss-Prot.
DT 04-JAN-2005, sequence version 1.
DT 03-AUG-2022, entry version 110.
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=IL0598;
OS Idiomarina loihiensis (strain ATCC BAA-735 / DSM 15497 / L2-TR).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Alteromonadales;
OC Idiomarinaceae; Idiomarina.
OX NCBI_TaxID=283942;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC BAA-735 / DSM 15497 / L2-TR;
RX PubMed=15596722; DOI=10.1073/pnas.0407638102;
RA Hou S., Saw J.H., Lee K.S., Freitas T.A., Belisle C., Kawarabayasi Y.,
RA Donachie S.P., Pikina A., Galperin M.Y., Koonin E.V., Makarova K.S.,
RA Omelchenko M.V., Sorokin A., Wolf Y.I., Li Q.X., Keum Y.S., Campbell S.,
RA Denery J., Aizawa S., Shibata S., Malahoff A., Alam M.;
RT "Genome sequence of the deep-sea gamma-proteobacterium Idiomarina
RT loihiensis reveals amino acid fermentation as a source of carbon and
RT energy.";
RL Proc. Natl. Acad. Sci. U.S.A. 101:18036-18041(2004).
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; AE017340; AAV81439.1; -; Genomic_DNA.
DR RefSeq; WP_011233854.1; NC_006512.1.
DR AlphaFoldDB; Q5QWY8; -.
DR SMR; Q5QWY8; -.
DR STRING; 283942.IL0598; -.
DR EnsemblBacteria; AAV81439; AAV81439; IL0598.
DR KEGG; ilo:IL0598; -.
DR eggNOG; COG0281; Bacteria.
DR HOGENOM; CLU_011405_5_2_6; -.
DR OMA; QMWDPVY; -.
DR OrthoDB; 654531at2; -.
DR Proteomes; UP000001171; 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..562
FT /note="NAD-dependent malic enzyme"
FT /id="PRO_0000160219"
FT ACT_SITE 101
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT ACT_SITE 172
FT /note="Proton acceptor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 154
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 243
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 244
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 267
FT /ligand="a divalent metal cation"
FT /ligand_id="ChEBI:CHEBI:60240"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 267
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT BINDING 415
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
FT SITE 267
FT /note="Important for activity"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01619"
SQ SEQUENCE 562 AA; 62784 MW; 2BD4C66FC61FFCB2 CRC64;
MPQTQRPLYI PYSGPNLLET PLLNKGSAFS KEERAAFNLT GLLPPRYESI EEQAERAYMQ
YRSFETPINK HIYLRAIQDN NETLFYRLLT DHLEEMMPII YTPTVGDACE KFSDIYRSSR
GLFISYSERD QIDDILRNAT KQKVKVIVVT DGERILGLGD QGIGGMGIPI GKLSLYTACG
GISPAYTLPV MLDVGTNNEK LLEDPMYMGA RHKRIEQDEY DEFLDKFIKA VTRRWPGVML
QFEDFAQPNA MPLLRRYRDE VCCFNDDIQG TASVTVGTLL AACRQKGKKL SEQKVVFVGA
GSAGCGIAEQ IMIQMTAEGL TEEQAKRQIF MVDRFGLVMD TMDGLRDFQQ ALAQKTSDLN
AWEYSGEYPS LLDVMHCAEP DILIGVSGQA GLFTEQVIST MAKNVERPII FPLSNPSKHV
EAHPADVLKW SEGKAIVATG SPFGEVEYDG RIYPIAQCNN SYIFPGIGLG VLSVKSERVS
DEMLRVASKT LANASPSANG KGEALLPAFN DLTQLSKDIA FAVGKVAQQE GLALEIDDDT
LRERIDNNFW KPEYRFYKRV SI
