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Protein

Diaminopimelate epimerase

Gene

dapF

Organism
Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1))
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the stereoinversion of LL-2,6-diaminoheptanedioate (L,L-DAP) to meso-diaminoheptanedioate (meso-DAP), a precursor of L-lysine and an essential component of the bacterial peptidoglycan.UniRule annotation

Catalytic activityi

LL-2,6-diaminoheptanedioate = meso-diaminoheptanedioate.UniRule annotation

Pathwayi: L-lysine biosynthesis via DAP pathway

This protein is involved in step 1 of the subpathway that synthesizes DL-2,6-diaminopimelate from LL-2,6-diaminopimelate.UniRule annotation
Proteins known to be involved in this subpathway in this organism are:
  1. Diaminopimelate epimerase (dapF)
This subpathway is part of the pathway L-lysine biosynthesis via DAP pathway, which is itself part of Amino-acid biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes DL-2,6-diaminopimelate from LL-2,6-diaminopimelate, the pathway L-lysine biosynthesis via DAP pathway and in Amino-acid biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei13SubstrateUniRule annotation1
Binding sitei46SubstrateUniRule annotation1
Binding sitei66SubstrateUniRule annotation1
Active sitei75Proton donorUniRule annotation1
Binding sitei159SubstrateUniRule annotation1
Sitei161Could be important to modulate the pK values of the two catalytic cysteine residuesUniRule annotation1
Binding sitei192SubstrateUniRule annotation1
Sitei210Could be important to modulate the pK values of the two catalytic cysteine residuesUniRule annotation1
Active sitei219Proton acceptorUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionIsomerase
Biological processAmino-acid biosynthesis, Lysine biosynthesis

Enzyme and pathway databases

BioCyciAARO76114:G1GHY-2213-MONOMER
UniPathwayiUPA00034; UER00025

Names & Taxonomyi

Protein namesi
Recommended name:
Diaminopimelate epimeraseUniRule annotation (EC:5.1.1.7UniRule annotation)
Short name:
DAP epimeraseUniRule annotation
Alternative name(s):
PLP-independent amino acid racemaseUniRule annotation
Gene namesi
Name:dapFUniRule annotation
Ordered Locus Names:AZOSEA22370
ORF Names:ebA3950
OrganismiAromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1))
Taxonomic identifieri76114 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaBetaproteobacteriaRhodocyclalesRhodocyclaceaeAromatoleum
Proteomesi
  • UP000006552 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_10000118341 – 277Diaminopimelate epimeraseAdd BLAST277

Interactioni

Subunit structurei

Homodimer.UniRule annotation

Protein-protein interaction databases

STRINGi76114.ebA3950

Structurei

3D structure databases

ProteinModelPortaliQ5P2V2
SMRiQ5P2V2
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni76 – 77Substrate bindingUniRule annotation2
Regioni210 – 211Substrate bindingUniRule annotation2
Regioni220 – 221Substrate bindingUniRule annotation2

Sequence similaritiesi

Belongs to the diaminopimelate epimerase family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105E4Z Bacteria
COG0253 LUCA
HOGENOMiHOG000220466
KOiK01778
OMAiSMCGNGG
OrthoDBiPOG091H01QC

Family and domain databases

HAMAPiMF_00197 DAP_epimerase, 1 hit
InterProiView protein in InterPro
IPR018510 DAP_epimerase_AS
IPR001653 DAP_epimerase_DapF
PANTHERiPTHR31689 PTHR31689, 1 hit
PfamiView protein in Pfam
PF01678 DAP_epimerase, 2 hits
TIGRFAMsiTIGR00652 DapF, 1 hit
PROSITEiView protein in PROSITE
PS01326 DAP_EPIMERASE, 1 hit

Sequencei

Sequence statusi: Complete.

Q5P2V2-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSLRFTKMHG LGNDFVVIDA IRQSVDLTPE QVRRLADRHF GIGCDQLLVV
60 70 80 90 100
EEATRPDVDF RYRIFNADGG EVEQCGNGAR CFVRFVHEQG LTAKRRIRVE
110 120 130 140 150
TRSGIIAPQL EDDGLVTVDM GVPVLEPARV PFVSDSDAIV QPLDVGGETV
160 170 180 190 200
AITAVSMGNP HAVQVVADVD AAPVAAQGAL IERHPRFPAR VNAGFVQVVD
210 220 230 240 250
AHRIRLRVFE RGAGETLACG TGACAAVVTV ILRELAQSPV RVETRGGELD
260 270
IAWEGPGQPV LMTGPAVTVF AGEIDVD
Length:277
Mass (Da):29,764
Last modified:January 4, 2005 - v1
Checksum:iA5B49A9F3F9F7FDF
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CR555306 Genomic DNA Translation: CAI08362.1
RefSeqiWP_011238050.1, NC_006513.1

Genome annotation databases

EnsemblBacteriaiCAI08362; CAI08362; ebA3950
KEGGieba:ebA3950

Similar proteinsi

Entry informationi

Entry nameiDAPF_AROAE
AccessioniPrimary (citable) accession number: Q5P2V2
Entry historyiIntegrated into UniProtKB/Swiss-Prot: January 15, 2008
Last sequence update: January 4, 2005
Last modified: March 28, 2018
This is version 85 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, Reference proteome
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Main funding by: National Institutes of Health