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Q8K9J5

- FABG_BUCAP

UniProt

Q8K9J5 - FABG_BUCAP

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Protein
3-oxoacyl-[acyl-carrier-protein] reductase FabG
Gene
fabG, BUsg_339
Organism
Buchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Status
Reviewed - Annotation score: 3 out of 5 - 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

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei37 – 371NADP By similarity
Metal bindingi50 – 501Calcium 1; via carbonyl oxygen; shared with dimeric partner By similarity
Metal bindingi53 – 531Calcium 1; via carbonyl oxygen; shared with dimeric partner By similarity
Binding sitei86 – 861NADP; via carbonyl oxygen By similarity
Binding sitei138 – 1381Substrate By similarity
Metal bindingi145 – 1451Calcium 2 By similarity
Active sitei151 – 1511Proton acceptor By similarity
Binding sitei184 – 1841NADP; via amide nitrogen and carbonyl oxygen By similarity
Metal bindingi233 – 2331Calcium 3; shared with dimeric partner By similarity
Metal bindingi234 – 2341Calcium 3; via carbonyl oxygen; shared with dimeric partner By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi12 – 154NADP By similarity
Nucleotide bindingi59 – 602NADP By similarity
Nucleotide bindingi151 – 1555NADP By similarity

GO - Molecular functioni

  1. 3-oxoacyl-[acyl-carrier-protein] reductase (NADPH) activity Source: UniProtKB-EC
  2. NAD binding Source: InterPro
  3. metal ion binding Source: UniProtKB-KW
Complete GO annotation...

GO - Biological processi

  1. fatty acid biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

Fatty acid biosynthesis, Fatty acid metabolism, Lipid biosynthesis, Lipid metabolism

Keywords - Ligandi

Calcium, Metal-binding, NADP

Enzyme and pathway databases

BioCyciBAPH198804:GHMG-356-MONOMER.
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:BUsg_339
OrganismiBuchnera aphidicola subsp. Schizaphis graminum (strain Sg)
Taxonomic identifieri198804 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeBuchnera
ProteomesiUP000000416: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 2442443-oxoacyl-[acyl-carrier-protein] reductase FabG
PRO_0000054667Add
BLAST

Interactioni

Subunit structurei

Homotetramer By similarity.

Protein-protein interaction databases

STRINGi198804.BUsg339.

Structurei

3D structure databases

ProteinModelPortaliQ8K9J5.

Family & Domainsi

Sequence similaritiesi

Phylogenomic databases

eggNOGiCOG1028.
KOiK00059.
OMAiMARRPMV.
OrthoDBiEOG6N3CR8.

Family and domain databases

Gene3Di3.40.50.720. 1 hit.
InterProiIPR011284. 3oxo_ACP_reduc.
IPR002198. DH_sc/Rdtase_SDR.
IPR002347. Glc/ribitol_DH.
IPR016040. NAD(P)-bd_dom.
IPR020904. Sc_DH/Rdtase_CS.
[Graphical view]
PfamiPF00106. adh_short. 1 hit.
[Graphical view]
PRINTSiPR00081. GDHRDH.
PR00080. SDRFAMILY.
TIGRFAMsiTIGR01830. 3oxo_ACP_reduc. 1 hit.
PROSITEiPS00061. ADH_SHORT. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q8K9J5-1 [UniParc]FASTAAdd to Basket

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MKIEKKTALV TGANQGLGKE IAIKLSQKGI QVIGTSTTVD GVKTINKYLK    50
KNGFGFILDL KDTDSILEKM KEICQKKYSI DILINNAGIT SDNLLVYMSN 100
KEWENVIKIN LTSVFYMSKS VIRSMIKKRY GRIVTIGSVI GYLGNRGQIN 150
YSASKSGLIG FHKSLALEVA QKGITVNIVS PGFIKTNLTK NLNVFQYKKH 200
LSKIPMKRIG TAEEIANAVI FLSSEKASYI TGQTIHVNGG MYMT 244
Length:244
Mass (Da):26,939
Last modified:October 1, 2002 - v1
Checksum:i14526C91CDC54D5A
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE013218 Genomic DNA. Translation: AAM67893.1.
RefSeqiNP_660682.1. NC_004061.1.
WP_011053860.1. NC_004061.1.

Genome annotation databases

EnsemblBacteriaiAAM67893; AAM67893; BUsg_339.
GeneIDi1005569.
KEGGibas:BUsg339.
PATRICi21247493. VBIBucAph100086_0353.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AE013218 Genomic DNA. Translation: AAM67893.1 .
RefSeqi NP_660682.1. NC_004061.1.
WP_011053860.1. NC_004061.1.

3D structure databases

ProteinModelPortali Q8K9J5.
ModBasei Search...

Protein-protein interaction databases

STRINGi 198804.BUsg339.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAM67893 ; AAM67893 ; BUsg_339 .
GeneIDi 1005569.
KEGGi bas:BUsg339.
PATRICi 21247493. VBIBucAph100086_0353.

Phylogenomic databases

eggNOGi COG1028.
KOi K00059.
OMAi MARRPMV.
OrthoDBi EOG6N3CR8.

Enzyme and pathway databases

UniPathwayi UPA00094 .
BioCyci BAPH198804:GHMG-356-MONOMER.

Family and domain databases

Gene3Di 3.40.50.720. 1 hit.
InterProi IPR011284. 3oxo_ACP_reduc.
IPR002198. DH_sc/Rdtase_SDR.
IPR002347. Glc/ribitol_DH.
IPR016040. NAD(P)-bd_dom.
IPR020904. Sc_DH/Rdtase_CS.
[Graphical view ]
Pfami PF00106. adh_short. 1 hit.
[Graphical view ]
PRINTSi PR00081. GDHRDH.
PR00080. SDRFAMILY.
TIGRFAMsi TIGR01830. 3oxo_ACP_reduc. 1 hit.
PROSITEi PS00061. ADH_SHORT. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Sg.

Entry informationi

Entry nameiFABG_BUCAP
AccessioniPrimary (citable) accession number: Q8K9J5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 15, 2002
Last sequence update: October 1, 2002
Last modified: September 3, 2014
This is version 83 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Miscellaneous

Calcium ions stabilize the structure, and may inhibit FabG activity by obstructing access to the active site By similarity.

Keywords - Technical termi

Complete proteome

Documents

  1. Buchnera aphidicola (subsp. Schizaphis graminum)
    Buchnera aphidicola (subsp. Schizaphis graminum): entries and gene names
  2. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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