LLDD_HAEI8
ID LLDD_HAEI8 Reviewed; 381 AA.
AC Q4QJK8;
DT 10-JAN-2006, integrated into UniProtKB/Swiss-Prot.
DT 19-JUL-2005, sequence version 1.
DT 03-AUG-2022, entry version 90.
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}; OrderedLocusNames=NTHI2049;
OS Haemophilus influenzae (strain 86-028NP).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=281310;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=86-028NP;
RX PubMed=15968074; DOI=10.1128/jb.187.13.4627-4636.2005;
RA Harrison A., Dyer D.W., Gillaspy A., Ray W.C., Mungur R., Carson M.B.,
RA Zhong H., Gipson J., Gipson M., Johnson L.S., Lewis L., Bakaletz L.O.,
RA Munson R.S. Jr.;
RT "Genomic sequence of an otitis media isolate of nontypeable Haemophilus
RT influenzae: comparative study with H. influenzae serotype d, strain KW20.";
RL J. Bacteriol. 187:4627-4636(2005).
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;
CC Evidence={ECO:0000255|HAMAP-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; CP000057; AAX88789.1; -; Genomic_DNA.
DR RefSeq; WP_011272772.1; NC_007146.2.
DR AlphaFoldDB; Q4QJK8; -.
DR SMR; Q4QJK8; -.
DR EnsemblBacteria; AAX88789; AAX88789; NTHI2049.
DR KEGG; hit:NTHI2049; -.
DR HOGENOM; CLU_020639_0_0_6; -.
DR OMA; FTRLMQT; -.
DR OrthoDB; 1186741at2; -.
DR Proteomes; UP000002525; Chromosome.
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; -; 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 Pfam; PF01070; FMN_dh; 1.
DR PIRSF; PIRSF000138; Al-hdrx_acd_dh; 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..381
FT /note="L-lactate dehydrogenase"
FT /id="PRO_0000206340"
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 381 AA; 41954 MW; E1A7C64FB5E0C32D CRC64;
MIISSASDYR EAARRRVPPF MFHYADGGSY AEQTLARNVS DLENIALRQR VLKDMSELDT
SIELFGEKLS MPTILAPVGA CGMYARRGEV QAAQAADNKG VPFTLSTVSI CPIEEVAPAI
KRPMWFQLYV LKDRGFMKNA LERAKAAGCS TLVFTVDMPT PGARYRDMHS GMSGPYKEIR
RVLQGFTHPF WAYDVGIKGK PHTLGNVSTY MGRQIGLDDY IGWLTENFDP SISWKDLEWI
REFWEGPMVI KGILDPEDAK DAVRFGADGI VVSNHGGRQL DGVLSSARAL PPIADAVKGD
IKIIADSGIR NGLDIVRMLA LGADATMLGR AFVYALGAAG RQGVENMLDI FKKEMRVAMT
LTSNRTIVDI KPEALVDLSK L