ID   LLDD_SERP5              Reviewed;         380 AA.
AC   A8GIL1;
DT   05-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   27-MAR-2024, entry version 85.
DE   RecName: Full=L-lactate dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01559};
DE            EC=1.1.-.- {ECO:0000255|HAMAP-Rule:MF_01559};
GN   Name=lldD {ECO:0000255|HAMAP-Rule:MF_01559};
GN   OrderedLocusNames=Spro_3855;
OS   Serratia proteamaculans (strain 568).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC   Yersiniaceae; Serratia.
OX   NCBI_TaxID=399741;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=568;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Kim E., Taghavi S., Newman L.,
RA   Vangronsveld J., van der Lelie D., Richardson P.;
RT   "Complete sequence of chromosome of Serratia proteamaculans 568.";
RL   Submitted (SEP-2007) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the conversion of L-lactate to pyruvate. Is coupled
CC       to the respiratory chain. {ECO:0000255|HAMAP-Rule:MF_01559}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(S)-lactate + A = AH2 + pyruvate; Xref=Rhea:RHEA:45816,
CC         ChEBI:CHEBI:13193, ChEBI:CHEBI:15361, ChEBI:CHEBI:16651,
CC         ChEBI:CHEBI:17499; Evidence={ECO:0000255|HAMAP-Rule:MF_01559};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01559};
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01559}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01559}.
CC   -!- SIMILARITY: Belongs to the FMN-dependent alpha-hydroxy acid
CC       dehydrogenase family. {ECO:0000255|HAMAP-Rule:MF_01559}.
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DR   EMBL; CP000826; ABV42951.1; -; Genomic_DNA.
DR   AlphaFoldDB; A8GIL1; -.
DR   SMR; A8GIL1; -.
DR   STRING; 399741.Spro_3855; -.
DR   KEGG; spe:Spro_3855; -.
DR   eggNOG; COG1304; Bacteria.
DR   HOGENOM; CLU_020639_0_0_6; -.
DR   OrthoDB; 9770452at2; -.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0010181; F:FMN binding; IEA:InterPro.
DR   GO; GO:0004457; F:lactate dehydrogenase activity; IEA:InterPro.
DR   GO; GO:0019516; P:lactate oxidation; IEA:UniProtKB-UniRule.
DR   CDD; cd02809; alpha_hydroxyacid_oxid_FMN; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_01559; L_lact_dehydr; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR012133; Alpha-hydoxy_acid_DH_FMN.
DR   InterPro; IPR000262; FMN-dep_DH.
DR   InterPro; IPR037396; FMN_HAD.
DR   InterPro; IPR008259; FMN_hydac_DH_AS.
DR   InterPro; IPR020920; LldD.
DR   NCBIfam; NF033901; L_lactate_LldD; 1.
DR   PANTHER; PTHR10578:SF85; L-LACTATE DEHYDROGENASE; 1.
DR   PANTHER; PTHR10578; S -2-HYDROXY-ACID OXIDASE-RELATED; 1.
DR   Pfam; PF01070; FMN_dh; 1.
DR   PIRSF; PIRSF000138; Al-hdrx_acd_dh; 1.
DR   SUPFAM; SSF51395; FMN-linked oxidoreductases; 1.
DR   PROSITE; PS00557; FMN_HYDROXY_ACID_DH_1; 1.
DR   PROSITE; PS51349; FMN_HYDROXY_ACID_DH_2; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Flavoprotein; FMN; Membrane;
KW   Oxidoreductase.
FT   CHAIN           1..380
FT                   /note="L-lactate dehydrogenase"
FT                   /id="PRO_1000068993"
FT   DOMAIN          1..380
FT                   /note="FMN hydroxy acid dehydrogenase"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   ACT_SITE        275
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         24
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         106
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         127
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         129
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         155
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         164
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         251
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         278
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
FT   BINDING         306..330
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01559"
SQ   SEQUENCE   380 AA;  40877 MW;  790CD55D3D60DCA8 CRC64;
     MIISASTDYR AAAQAKLPPF LFHYIDGGAY AEHTLRRNTE DLAGIALRQR ILRNMSDLSL
     ETSLFGEKLA MPVILGPVGL TGMYARRGEV QAAKAAAQKG IPFTLSTVSV CPIEEVAPAI
     DRPMWFQLYV LKDRGFMRNA LERAKAAGVK TLVFTVDMPV PGARYRDAHS GMSGPNAAVR
     RMLQAVTHPQ WAWDVGLCGK PHDLGNVSAY RGKPTSLEDY IGWLGTNFDP SISWKDLDWI
     REFWQGPMII KGILDPEDAK DAVRFGADGI VVSNHGGRQL DGVLSTAHAL PAIAEAVKGD
     ITLLADSGIR SGLDVVRMIA LGADGVLLGR AFAYALAAAG QAGVANLLEL IDKEMRVAMT
     LIGAKTIADI SADSLVQGLR
//