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Protein

L-lactate dehydrogenase B chain

Gene

LDHB

Organism
Pan troglodytes (Chimpanzee)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Experimental evidence at transcript leveli

Functioni

Catalytic activityi

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

Pathwayi: pyruvate fermentation to lactate

This protein is involved in step 1 of the subpathway that synthesizes (S)-lactate from pyruvate.
Proteins known to be involved in this subpathway in this organism are:
  1. L-lactate dehydrogenase (LDHB), L-lactate dehydrogenase, L-lactate dehydrogenase (LDHAL6B), L-lactate dehydrogenase, L-lactate dehydrogenase B chain (LDHB), L-lactate dehydrogenase (LDHAL6A), L-lactate dehydrogenase, L-lactate dehydrogenase (LDHC), L-lactate dehydrogenase A chain (LDHA)
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 sitei100NADBy similarity1
Binding sitei107SubstrateBy similarity1
Binding sitei139NAD or substrateBy similarity1
Binding sitei170SubstrateBy similarity1
Active sitei194Proton acceptorBy similarity1
Binding sitei249SubstrateBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi30 – 58NADBy similarityAdd BLAST29

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Ligandi

NAD

Enzyme and pathway databases

UniPathwayiUPA00554; UER00611.

Names & Taxonomyi

Protein namesi
Recommended name:
L-lactate dehydrogenase B chain (EC:1.1.1.27)
Short name:
LDH-B
Alternative name(s):
LDH heart subunit
Short name:
LDH-H
Gene namesi
Name:LDHB
OrganismiPan troglodytes (Chimpanzee)
Taxonomic identifieri9598 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiMammaliaEutheriaEuarchontogliresPrimatesHaplorrhiniCatarrhiniHominidaePan
Proteomesi
  • UP000002277 Componenti: Unplaced

Subcellular locationi

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Initiator methionineiRemovedBy similarity
ChainiPRO_00002952862 – 334L-lactate dehydrogenase B chainAdd BLAST333

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei2N-acetylalanineBy similarity1
Modified residuei5N6-acetyllysineBy similarity1
Modified residuei7N6-acetyllysineBy similarity1
Modified residuei18PhosphothreonineBy similarity1
Modified residuei44PhosphoserineBy similarity1
Modified residuei58N6-acetyllysineBy similarity1
Modified residuei82N6-acetyllysineBy similarity1
Modified residuei119N6-acetyllysineBy similarity1
Modified residuei127N6-acetyllysineBy similarity1
Modified residuei240PhosphotyrosineBy similarity1
Modified residuei319N6-acetyllysineBy similarity1
Modified residuei329N6-acetyllysineBy similarity1

Keywords - PTMi

Acetylation, Phosphoprotein

Proteomic databases

PaxDbiA5A6N7.
PRIDEiA5A6N7.

Interactioni

Subunit structurei

Homotetramer.By similarity

Protein-protein interaction databases

STRINGi9598.ENSPTRP00000008129.

Structurei

3D structure databases

ProteinModelPortaliA5A6N7.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the LDH/MDH superfamily. LDH family.Curated

Phylogenomic databases

eggNOGiKOG1495. Eukaryota.
COG0039. LUCA.
HOGENOMiHOG000213793.
HOVERGENiHBG000462.
InParanoidiA5A6N7.
KOiK00016.

Family and domain databases

Gene3Di3.40.50.720. 1 hit.
3.90.110.10. 1 hit.
HAMAPiMF_00488. Lactate_dehydrog. 1 hit.
InterProiIPR001557. 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.
IPR016040. NAD(P)-bd_dom.
[Graphical view]
PANTHERiPTHR11540. PTHR11540. 1 hit.
PfamiPF02866. Ldh_1_C. 1 hit.
PF00056. Ldh_1_N. 1 hit.
[Graphical view]
PIRSFiPIRSF000102. Lac_mal_DH. 1 hit.
PRINTSiPR00086. LLDHDRGNASE.
SUPFAMiSSF51735. SSF51735. 1 hit.
SSF56327. SSF56327. 1 hit.
TIGRFAMsiTIGR01771. L-LDH-NAD. 1 hit.
PROSITEiPS00064. L_LDH. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

A5A6N7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MATLKEKLIA PVAEEEATIP NNKITVVGVG QVGMACAISI LGKSLADELA
60 70 80 90 100
LVDVLEDKLK GEMMDLQHGS LFLQTPKIVA DKDYSVTANS KIVVVTAGVR
110 120 130 140 150
QQEGESRLNL VQRNVNVFKF IIPQIVKYSP DCIIIVVSNP VDILTYVTWK
160 170 180 190 200
LSGLPKHRVI GSGCNLDSAR FRYLMAEKLG IHPSSCHGWI LGEHGDSSVA
210 220 230 240 250
VWSGVNVAGV SLQELNPEMG TDNDSENWKE VHKMVVESAY EVIKLKGYTN
260 270 280 290 300
WAIGLSVADL IESMLKNLSR IHPVSTMVKG MYGIENEVFL SLPCILNARG
310 320 330
LTSVINQKLK DDEVAQLKKS ADTLWDIQKD LKDL
Length:334
Mass (Da):36,653
Last modified:June 12, 2007 - v1
Checksum:i1F350FE07AAE530B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB222165 mRNA. Translation: BAF62410.1.
RefSeqiNP_001092031.1. NM_001098561.1.
UniGeneiPtr.473.

Genome annotation databases

GeneIDi465337.
KEGGiptr:465337.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AB222165 mRNA. Translation: BAF62410.1.
RefSeqiNP_001092031.1. NM_001098561.1.
UniGeneiPtr.473.

3D structure databases

ProteinModelPortaliA5A6N7.
ModBaseiSearch...
MobiDBiSearch...

Protein-protein interaction databases

STRINGi9598.ENSPTRP00000008129.

Proteomic databases

PaxDbiA5A6N7.
PRIDEiA5A6N7.

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Genome annotation databases

GeneIDi465337.
KEGGiptr:465337.

Organism-specific databases

CTDi3945.

Phylogenomic databases

eggNOGiKOG1495. Eukaryota.
COG0039. LUCA.
HOGENOMiHOG000213793.
HOVERGENiHBG000462.
InParanoidiA5A6N7.
KOiK00016.

Enzyme and pathway databases

UniPathwayiUPA00554; UER00611.

Family and domain databases

Gene3Di3.40.50.720. 1 hit.
3.90.110.10. 1 hit.
HAMAPiMF_00488. Lactate_dehydrog. 1 hit.
InterProiIPR001557. 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.
IPR016040. NAD(P)-bd_dom.
[Graphical view]
PANTHERiPTHR11540. PTHR11540. 1 hit.
PfamiPF02866. Ldh_1_C. 1 hit.
PF00056. Ldh_1_N. 1 hit.
[Graphical view]
PIRSFiPIRSF000102. Lac_mal_DH. 1 hit.
PRINTSiPR00086. LLDHDRGNASE.
SUPFAMiSSF51735. SSF51735. 1 hit.
SSF56327. SSF56327. 1 hit.
TIGRFAMsiTIGR01771. L-LDH-NAD. 1 hit.
PROSITEiPS00064. L_LDH. 1 hit.
[Graphical view]
ProtoNetiSearch...

Entry informationi

Entry nameiLDHB_PANTR
AccessioniPrimary (citable) accession number: A5A6N7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: July 24, 2007
Last sequence update: June 12, 2007
Last modified: October 5, 2016
This is version 67 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.