Reviewed, UniProtKB/Swiss-Prot P62053 (LDH2_LACJO)

Names and origin

Protein names

Recommended name:
    L-lactate dehydrogenase 2
      Short name=L-LDH 2
    EC=1.1.1.27

Gene names

Name:	ldh2
Ordered Locus Names:	LJ_1403

Organism

Lactobacillus johnsonii [Complete proteome] [HAMAP]

Taxonomic identifier

33959 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Lactobacillales › Lactobacillaceae › Lactobacillus

Protein attributes

Sequence length	308 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Catalytic activity	(S)-lactate + NAD(+) = pyruvate + NADH.
Pathway	Fermentation; pyruvate fermentation to lactate; (S)-lactate from pyruvate: step 1/1.
Subunit structure	Homotetramer By similarity.
Subcellular location	CytoplasmBy similarity.
Sequence similarities	Belongs to the LDH/MDH superfamily. LDH family.

Ontologies

Keywords
Biological process	Glycolysis
Cellular component	Cytoplasm
Ligand	NAD
Molecular function	Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	anaerobic glycolysis Inferred from electronic annotation. Source: HAMAP oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: HAMAP
Molecular function	L-lactate dehydrogenase activity Inferred from electronic annotation. Source: HAMAP binding Inferred from electronic annotation. Source: InterPro
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 308	308	L-lactate dehydrogenase 2		PRO_0000168350
Regions
	Nucleotide binding	12 – 40	29	NAD By similarity
Sites
	Active site	175	1	Proton acceptor By similarity
	Binding site	88	1	Substrate By similarity
	Binding site	120	1	NAD or substrate By similarity
	Binding site	151	1	Substrate By similarity
	Binding site	225	1	Substrate By similarity

Sequences

	Sequence		Length	Mass (Da)
	P62053-1 [UniParc]. Last modified June 21, 2004. Version 1. Checksum: A610A15C82E85C0E	FASTA	308	33,283
	10 20 30 40 50 60 MSRRKVFLVG DGRVGSTFAN DLLQNVRIDE LVICDVVKKI TEGDALDLED LAPFVGQCTV 70 80 90 100 110 120 KSGDYSDAKD ADIAVITAGA ARKPGMTRLD LVKTNVKILE SIIKPIVESG FNGIFVVSAN 130 140 150 160 170 180 PVDILTTLTQ KLSGFPKNKV IGTGTSLDTA RLRVALSHKT GVNVDHIDAY VLGEHGDTSF 190 200 210 220 230 240 ENFDEAIIDH KPLRSYKELD EETLVELETD VRKKGGKIIA NKGATFYGVA MCLTQICKAI 250 260 270 280 290 300 LENKALVMPL SAPMTGEYGI HDLYIGSPAV VTANGISDVI ELHLSEDENK KMAYSAAKMK EVVDGIDL

References

[1]

"The genome sequence of the probiotic intestinal bacterium Lactobacillus johnsonii NCC 533." Pridmore R.D., Berger B., Desiere F., Vilanova D., Barretto C., Pittet A.-C., Zwahlen M.-C., Rouvet M., Altermann E., Barrangou R., Mollet B., Mercenier A., Klaenhammer T., Arigoni F., Schell M.A. Proc. Natl. Acad. Sci. U.S.A. 101:2512-2517(2004) [PubMed: 14983040] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: NCC 533.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE017198 Genomic DNA. Translation: AAS09169.1.
RefSeq	NP_965203.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	2742261.
GenomeReviews	Gene locus LJ_1403 in contig AE017198_GR.
KEGG	ljo:LJ1403.
NMPDR	fig|257314.1.peg.1189.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	P62053.
Enzyme and pathway databases
BioCyc	LJOH257314:LJ_1403-MON.
Family and domain databases
HAMAP	MF_00488. [Tree]
InterPro	IPR001557. L-lactate/malate_DHase. IPR011304. L-lactate_DHase. IPR001236. Lactate/malate_DHase. IPR015955. Lactate_DHase/Glyco_Ohase_4_C. IPR016040. NAD(P)-bd. [Graphical view]
Gene3D	G3DSA:3.90.110.10. lact_mal_DH. 1 hit. G3DSA:3.40.50.720. NAD(P)-bd. 1 hit.
Pfam	PF02866. Ldh_1_C. 1 hit. PF00056. Ldh_1_N. 1 hit. [Graphical view]
PIRSF	PIRSF000102. Lac_mal_DH. 1 hit.
PRINTS	PR00086. LLDHDRGNASE.
TIGRFAMs	TIGR01771. L-LDH-NAD. 1 hit.
PROSITE	PS00064. L_LDH. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

LDH2_LACJO

Accession

Primary (citable) accession number: P62053

Entry history

Integrated into UniProtKB/Swiss-Prot:	June 21, 2004
Last sequence update:	June 21, 2004
Last modified:	November 25, 2008
This is version 37 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)