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Protein

3-oxoacyl-[acyl-carrier-protein] reductase FabG

Gene

fabG

Organism
Rickettsia bellii (strain RML369-C)
Status
Reviewed-Annotation score: -Protein inferred from homologyi

Functioni

Catalyzes the NADPH-dependent reduction of beta-ketoacyl-ACP substrates to beta-hydroxyacyl-ACP products, the first reductive step in the elongation cycle of fatty acid biosynthesis.By similarity

Catalytic activityi

(3R)-3-hydroxyacyl-[acyl-carrier-protein] + NADP+ = 3-oxoacyl-[acyl-carrier-protein] + NADPH.

Pathwayi: fatty acid biosynthesis

This protein is involved in the pathway fatty acid biosynthesis, which is part of Lipid metabolism.
View all proteins of this organism that are known to be involved in the pathway fatty acid biosynthesis and in Lipid metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei38NADPBy similarity1
Binding sitei83NADP; via carbonyl oxygenBy similarity1
Binding sitei135SubstrateBy similarity1
Active sitei148Proton acceptorPROSITE-ProRule annotation1
Binding sitei181NADP; via amide nitrogen and carbonyl oxygenBy similarity1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi13 – 16NADPBy similarity4
Nucleotide bindingi57 – 58NADPBy similarity2
Nucleotide bindingi148 – 152NADPBy similarity5

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionOxidoreductase
Biological processFatty acid biosynthesis, Fatty acid metabolism, Lipid biosynthesis, Lipid metabolism
LigandNADP

Enzyme and pathway databases

UniPathwayiUPA00094

Names & Taxonomyi

Protein namesi
Recommended name:
3-oxoacyl-[acyl-carrier-protein] reductase FabG (EC:1.1.1.100)
Alternative name(s):
3-ketoacyl-acyl carrier protein reductase
Beta-Ketoacyl-acyl carrier protein reductase
Beta-ketoacyl-ACP reductase
Gene namesi
Name:fabG
Ordered Locus Names:RBE_0116
OrganismiRickettsia bellii (strain RML369-C)
Taxonomic identifieri336407 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRickettsialesRickettsiaceaeRickettsieaeRickettsiabelli group
Proteomesi
  • UP000001951 Componenti: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002866311 – 2413-oxoacyl-[acyl-carrier-protein] reductase FabGAdd BLAST241

Interactioni

Subunit structurei

Homotetramer.By similarity

Structurei

3D structure databases

ProteinModelPortaliQ1RKB7
SMRiQ1RKB7
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

KOiK00059
OMAiGSRNIRC
OrthoDBiPOG091H012M

Family and domain databases

InterProiView protein in InterPro
IPR011284 3oxo_ACP_reduc
IPR036291 NAD(P)-bd_dom_sf
IPR020904 Sc_DH/Rdtase_CS
IPR002347 SDR_fam
PRINTSiPR00081 GDHRDH
PR00080 SDRFAMILY
SUPFAMiSSF51735 SSF51735, 1 hit
TIGRFAMsiTIGR01830 3oxo_ACP_reduc, 1 hit
PROSITEiView protein in PROSITE
PS00061 ADH_SHORT, 1 hit

Sequencei

Sequence statusi: Complete.

Q1RKB7-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MIDLSGQTAL ITGASGGIGG AIARQLHKLG SHVIISGSNE EKLKALGNDL
60 70 80 90 100
KDNYTIKVCN LTNTEECSNL VAQIEKLDIL VCNAGITKDT LAIRMKNEDF
110 120 130 140 150
DQVIDINLKA NFILNREAIK KMMTNRYGRI INITSIVGVS GNPGQANYCA
160 170 180 190 200
SKAGLIGMTK SLAYEVATRG ITVNAVAPGF IKSDMTDKLN DEQKEAITRK
210 220 230 240
IPKGTYGMPE DIANAVAFLA SKQSSYITGQ TLHVNGGMLM V
Length:241
Mass (Da):25,810
Last modified:May 16, 2006 - v1
Checksum:i1DA6D37255B4971B
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
CP000087 Genomic DNA Translation: ABE04197.1
RefSeqiWP_011476812.1, NC_007940.1

Genome annotation databases

EnsemblBacteriaiABE04197; ABE04197; RBE_0116
KEGGirbe:RBE_0116

Similar proteinsi

Entry informationi

Entry nameiFABG_RICBR
AccessioniPrimary (citable) accession number: Q1RKB7
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 15, 2007
Last sequence update: May 16, 2006
Last modified: March 28, 2018
This is version 87 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