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Protein

L-lactate dehydrogenase

Gene

ldh

Organism
Synechococcus sp. (strain JA-3-3Ab) (Cyanobacteria bacterium Yellowstone A-Prime)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the conversion of lactate to pyruvate.UniRule annotation

Catalytic activityi

(S)-lactate + NAD+ = pyruvate + NADH.UniRule annotation

Enzyme regulationi

Allosterically activated by fructose 1,6-bisphosphate (FBP).UniRule annotation

Pathwayi: pyruvate fermentation to lactate

This protein is involved in step 1 of the subpathway that synthesizes (S)-lactate from pyruvate.UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. L-lactate dehydrogenase (ldh)
This subpathway is part of the pathway pyruvate fermentation to lactate, which is itself part of Fermentation.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes (S)-lactate from pyruvate, the pathway pyruvate fermentation to lactate and in Fermentation.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei11NAD; via amide nitrogenUniRule annotation1
Binding sitei32NADUniRule annotation1
Binding sitei37NADUniRule annotation1
Binding sitei79SubstrateUniRule annotation1
Binding sitei85SubstrateUniRule annotation1
Binding sitei98NADUniRule annotation1
Binding sitei140NADUniRule annotation1
Binding sitei150Allosteric activatorUniRule annotation1
Binding sitei165Allosteric activatorUniRule annotation1
Active sitei172Proton acceptorUniRule annotation1
Binding sitei223SubstrateUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi76 – 77NADUniRule annotation2
Nucleotide bindingi115 – 117NADUniRule annotation3

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionAllosteric enzyme, Oxidoreductase
LigandNAD

Enzyme and pathway databases

BioCyciSSP321327:G1G5O-2550-MONOMER
UniPathwayiUPA00554; UER00611

Names & Taxonomyi

Protein namesi
Recommended name:
L-lactate dehydrogenaseUniRule annotation (EC:1.1.1.27UniRule annotation)
Short name:
L-LDHUniRule annotation
Gene namesi
Name:ldhUniRule annotation
Ordered Locus Names:CYA_2670
OrganismiSynechococcus sp. (strain JA-3-3Ab) (Cyanobacteria bacterium Yellowstone A-Prime)
Taxonomic identifieri321327 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesSynechococcaceaeSynechococcus
Proteomesi
  • UP000008818 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002375681 – 306L-lactate dehydrogenaseAdd BLAST306

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei214PhosphotyrosineUniRule annotation1

Keywords - PTMi

Phosphoprotein

Interactioni

Subunit structurei

Homotetramer.UniRule annotation

Protein-protein interaction databases

STRINGi321327.CYA_2670

Structurei

3D structure databases

ProteinModelPortaliQ2JRH2
SMRiQ2JRH2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni117 – 120Substrate bindingUniRule annotation4
Regioni145 – 148Substrate bindingUniRule annotation4

Sequence similaritiesi

Belongs to the LDH/MDH superfamily. LDH family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105C80 Bacteria
COG0039 LUCA
HOGENOMiHOG000213793
KOiK00016
OMAiMDLMQTA
OrthoDBiPOG091H02EQ

Family and domain databases

Gene3Di3.90.110.10, 1 hit
HAMAPiMF_00488 Lactate_dehydrog, 1 hit
InterProiView protein in InterPro
IPR001557 L-lactate/malate_DH
IPR011304 L-lactate_DH
IPR018177 L-lactate_DH_AS
IPR022383 Lactate/malate_DH_C
IPR001236 Lactate/malate_DH_N
IPR015955 Lactate_DH/Glyco_Ohase_4_C
IPR036291 NAD(P)-bd_dom_sf
PfamiView protein in Pfam
PF02866 Ldh_1_C, 1 hit
PF00056 Ldh_1_N, 1 hit
PIRSFiPIRSF000102 Lac_mal_DH, 1 hit
PRINTSiPR00086 LLDHDRGNASE
SUPFAMiSSF51735 SSF51735, 1 hit
SSF56327 SSF56327, 1 hit
TIGRFAMsiTIGR01771 L-LDH-NAD, 1 hit
PROSITEiView protein in PROSITE
PS00064 L_LDH, 1 hit

Sequencei

Sequence statusi: Complete.

Q2JRH2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MKGSIIGAGQ VGMACAYAML IQNTLDELVI HDIDRAKLEG EVMDLVHGIP
60 70 80 90 100
FVEPTRIWAG ELADCAGSDV VIVTAGAKQR PGETRLDLVH RNVEIFKSLI
110 120 130 140 150
PALMEHCPSA IFLVVSNPVD VMTYVSLKLA GLPAGQVLGS GTVLDTARFR
160 170 180 190 200
YLLAQRLGVD PRSLHAYIIG EHGDSEVAVW SKVNIAGTPI GQLSPEWDPA
210 220 230 240 250
HLGDIFEQVR NAAYEIIRRK GATSYAIGLG VAQIVQALVR DQRRVLTVSS
260 270 280 290 300
LTQGEYDLPE VCLSLPRVVG RQGVERTLAM SLTESERQQL HRSAHILRQV

IDSIRW
Length:306
Mass (Da):33,412
Last modified:March 7, 2006 - v1
Checksum:i1DE27C7529B4C573
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000239 Genomic DNA Translation: ABD00782.1
RefSeqiWP_011431453.1, NC_007775.1

Genome annotation databases

EnsemblBacteriaiABD00782; ABD00782; CYA_2670
KEGGicya:CYA_2670

Similar proteinsi

Entry informationi

Entry nameiLDH_SYNJA
AccessioniPrimary (citable) accession number: Q2JRH2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 30, 2006
Last sequence update: March 7, 2006
Last modified: May 23, 2018
This is version 81 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

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