ID LLDD_XANC3 Reviewed; 388 AA. AC Q8PR33; DT 10-JAN-2006, integrated into UniProtKB/Swiss-Prot. DT 01-OCT-2002, sequence version 1. DT 02-SEP-2026, entry version 125. 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=XAC0133; OS Xanthomonas citri pv. citri (strain 306). OC Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria; OC Lysobacterales; Lysobacteraceae; Xanthomonas. OX NCBI_TaxID=1203463; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=306; RX PubMed=12024217; DOI=10.1038/417459a; RA da Silva A.C.R., Ferro J.A., Reinach F.C., Farah C.S., Furlan L.R., RA Quaggio R.B., Monteiro-Vitorello C.B., Van Sluys M.A., Almeida N.F. Jr., RA Alves L.M.C., do Amaral A.M., Bertolini M.C., Camargo L.E.A., Camarotte G., RA Cannavan F., Cardozo J., Chambergo F., Ciapina L.P., Cicarelli R.M.B., RA Coutinho L.L., Cursino-Santos J.R., El-Dorry H., Faria J.B., RA Ferreira A.J.S., Ferreira R.C.C., Ferro M.I.T., Formighieri E.F., RA Franco M.C., Greggio C.C., Gruber A., Katsuyama A.M., Kishi L.T., RA Leite R.P., Lemos E.G.M., Lemos M.V.F., Locali E.C., Machado M.A., RA Madeira A.M.B.N., Martinez-Rossi N.M., Martins E.C., Meidanis J., RA Menck C.F.M., Miyaki C.Y., Moon D.H., Moreira L.M., Novo M.T.M., RA Okura V.K., Oliveira M.C., Oliveira V.R., Pereira H.A., Rossi A., RA Sena J.A.D., Silva C., de Souza R.F., Spinola L.A.F., Takita M.A., RA Tamura R.E., Teixeira E.C., Tezza R.I.D., Trindade dos Santos M., RA Truffi D., Tsai S.M., White F.F., Setubal J.C., Kitajima J.P.; RT "Comparison of the genomes of two Xanthomonas pathogens with differing host RT specificities."; RL Nature 417:459-463(2002). 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 = pyruvate + AH2; 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AE008923; AAM35025.1; -; Genomic_DNA. DR RefSeq; WP_011050112.1; NC_003919.1. DR AlphaFoldDB; Q8PR33; -. DR SMR; Q8PR33; -. DR GeneID; 66909343; -. DR KEGG; xac:XAC0133; -. DR eggNOG; COG1304; Bacteria. DR HOGENOM; CLU_020639_0_0_6; -. DR Proteomes; UP000000576; Chromosome. DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell. DR GO; GO:0010181; F:FMN binding; IEA:InterPro. DR GO; GO:0004459; F:L-lactate dehydrogenase (NAD+) activity; IEA:TreeGrafter. DR GO; GO:0009060; P:aerobic respiration; IEA:TreeGrafter. DR GO; GO:0006089; P:lactate metabolic process; IEA:UniProtKB-UniRule. DR CDD; cd02809; alpha_hydroxyacid_oxid_FMN; 1. DR FunFam; 3.20.20.70:FF:000029; L-lactate dehydrogenase; 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 NCBIfam; NF008398; PRK11197.1; 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; Reference proteome. FT CHAIN 1..388 FT /note="L-lactate dehydrogenase" FT /id="PRO_0000206354" 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 388 AA; 41830 MW; E60891DE3F3D5FC3 CRC64; MIISAASDYR AAAEARLPPF LFHYIDGGAY AEHTLRRNVS DLADVALRQR VLRNMSDLRL STELFGETLA MPVALAPVGL TGMYARRGEV QAARAAAARG IPFTLSTVSV CPIEEVAPAI ERPMWFQLYV LKDRGFMRNA LERAKAAGVT TLVFTVDMPT PGARYRDAHS GMSGPNASLR RMLQAVTHPR WAWDVGLLGK PHDLGNISAY RGSPTGLQDY IGWLGANFDP SIAWKDLEWI REFWTGPMVI KGILDPEDAR DAVRFGADGI VVSNHGGRQL DGVLSSARAL PAIADAVKGE LKILADSGIR SGLDVVRMLA LGADAVLLGR AFVYALAAAG QAGVENLLTL IEKEMRVAMT LTGTHSIADI SADALSRVTR ERADAISP //