Reviewed, UniProtKB/Swiss-Prot Q2G1Y5 (LDH2_STAA8)

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:	SAOUHSC_02922

Organism

Staphylococcus aureus (strain NCTC 8325) [Complete proteome] [HAMAP]

Taxonomic identifier

93061 [NCBI]

Taxonomic lineage

Bacteria › Firmicutes › Bacillales › Staphylococcus

Protein attributes

Sequence length	319 AA.
Sequence status	Complete.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Contributes to S.aureus growth during nitrosative stress in both aerobically and anaerobically cultured cells, despite playing a secondary role in this resistance mechanism By similarity. HAMAP MF_00488
Catalytic activity	(S)-lactate + NAD+ = pyruvate + NADH. HAMAP MF_00488
Pathway	Fermentation; pyruvate fermentation to lactate; (S)-lactate from pyruvate: step 1/1. HAMAP MF_00488
Subunit structure	Homotetramer By similarity. HAMAP MF_00488
Subcellular location	Cytoplasm By similarity HAMAP MF_00488.
Sequence similarities	Belongs to the LDH/MDH superfamily. LDH family.

Ontologies

Keywords
Biological process	Glycolysis Stress response
Cellular component	Cytoplasm
Ligand	NAD
Molecular function	Oxidoreductase
PTM	Phosphoprotein
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 response to stress Inferred from electronic annotation. Source: UniProtKB-KW
Cellular component	cytoplasm Inferred from electronic annotation. Source: UniProtKB-SubCell
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 – 319	319	L-lactate dehydrogenase 2 HAMAP MF_00488		PRO_0000343841
Regions
	Nucleotide binding	14 – 42	29	NAD By similarity
Sites
	Active site	178	1	Proton acceptor By similarity
	Binding site	91	1	Substrate By similarity
	Binding site	123	1	NAD or substrate By similarity
	Binding site	154	1	Substrate By similarity
	Binding site	231	1	Substrate By similarity
Amino acid modifications
	Modified residue	222	1	Phosphotyrosine By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q2G1Y5-1 [UniParc]. Last modified March 21, 2006. Version 1. Checksum: 7779343BCA8006C4	FASTA	319	34,420
	10 20 30 40 50 60 MKTFGKKVVL IGDGSVGSSY AFAMVTQGVA DEFVIIDIAK DKVKADVQDL NHGTVHSPSP 70 80 90 100 110 120 VDVKAGEYED CKDADLVVIT AGAPQKPGET RLQLVEKNTK IMKSIVKSVM DSGFDGYFLI 130 140 150 160 170 180 AANPVDILTR FVKEYTGLPA ERVIGSGTVL DSARLQYLIS QELGVAPSSV DASIIGEHGD 190 200 210 220 230 240 TELAVWSQAN VAGISVYDTL KEQTGSEAKA EEIYVNTRDA AYEIIQAKGS TYYGIALALM 250 260 270 280 290 300 RISKAILNNE NNVLNVSIQL DGQYGGHKGV YLGVPTLVNQ HGAVKIYEMP LSAEEQALFD 310 KSVKTLEDTF DSIKYLLED

References

[1]	"The Staphylococcus aureus NCTC8325 genome." Gillaspy A.F., Worrell V., Orvis J., Roe B.A., Dyer D.W., Iandolo J.J. Submitted (JAN-2006) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000253 Genomic DNA. Translation: ABD31917.1.
RefSeq	YP_501374.1.
3D structure databases
SMR	Q2G1Y5. Positions 5-313.
ModBase	Search...
Protein-protein interaction databases
STRING	Q2G1Y5.
Genome annotation databases
GeneID	3921373.
GenomeReviews	Gene locus SAOUHSC_02922 in contig CP000253_GR.
KEGG	sao:SAOUHSC_02922.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG0039.
HOGENOM	HBG566126.
OMA	KEEHAHA.
Enzyme and pathway databases
BioCyc	SAUR93061:SAOUHSC_02922-MONOMER.
Family and domain databases
HAMAP	MF_00488. Lactate_dehydrog. [Tree]
InterPro	IPR001557. L-lactate/malate_DH. IPR011304. L-lactate_DH. IPR018177. L-lactate_DH_AS. IPR001236. Lactate/malate_DH. IPR015955. Lactate_DH/Glyco_Ohase_4_C. IPR016040. NAD(P)-bd_dom. [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_STAA8

Accession

Primary (citable) accession number: Q2G1Y5

Entry history

Integrated into UniProtKB/Swiss-Prot:	July 22, 2008
Last sequence update:	March 21, 2006
Last modified:	February 9, 2010
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)