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Protein

Shikimate kinase

Gene

aroK

Organism
Rhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti)
Status
Reviewed-Annotation score: Annotation score: 3 out of 5-Protein inferred from homologyi

Functioni

Catalyzes the specific phosphorylation of the 3-hydroxyl group of shikimic acid using ATP as a cosubstrate.UniRule annotation

Catalytic activityi

ATP + shikimate = ADP + shikimate 3-phosphate.UniRule annotation

Cofactori

Mg2+UniRule annotationNote: Binds 1 Mg2+ ion per subunit.UniRule annotation

Pathwayi: chorismate biosynthesis

This protein is involved in step 5 of the subpathway that synthesizes chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate.UniRule annotation
Proteins known to be involved in the 7 steps of the subpathway in this organism are:
  1. no protein annotated in this organism
  2. 3-dehydroquinate synthase (aroB)
  3. 3-dehydroquinate dehydratase (aroQ)
  4. Shikimate dehydrogenase (NADP(+)) (aroE)
  5. Shikimate kinase (aroK)
  6. 3-phosphoshikimate 1-carboxyvinyltransferase (aroA)
  7. Chorismate synthase (aroC)
This subpathway is part of the pathway chorismate biosynthesis, which is itself part of Metabolic intermediate biosynthesis.
View all proteins of this organism that are known to be involved in the subpathway that synthesizes chorismate from D-erythrose 4-phosphate and phosphoenolpyruvate, the pathway chorismate biosynthesis and in Metabolic intermediate biosynthesis.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi36MagnesiumUniRule annotation1
Binding sitei54SubstrateUniRule annotation1
Binding sitei78SubstrateUniRule annotation1
Binding sitei100Substrate; via amide nitrogenUniRule annotation1
Binding sitei138ATPUniRule annotation1
Binding sitei157SubstrateUniRule annotation1

Regions

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Nucleotide bindingi32 – 37ATPUniRule annotation6

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionKinase, Transferase
Biological processAmino-acid biosynthesis, Aromatic amino acid biosynthesis
LigandATP-binding, Magnesium, Metal-binding, Nucleotide-binding

Enzyme and pathway databases

UniPathwayiUPA00053; UER00088.

Names & Taxonomyi

Protein namesi
Recommended name:
Shikimate kinaseUniRule annotation (EC:2.7.1.71UniRule annotation)
Short name:
SKUniRule annotation
Gene namesi
Name:aroKUniRule annotation
Ordered Locus Names:R02677
ORF Names:SMc00695
OrganismiRhizobium meliloti (strain 1021) (Ensifer meliloti) (Sinorhizobium meliloti)
Taxonomic identifieri266834 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaAlphaproteobacteriaRhizobialesRhizobiaceaeSinorhizobium/Ensifer groupSinorhizobium
Proteomesi
  • UP000001976 Componenti: Chromosome

Subcellular locationi

  • Cytoplasm UniRule annotation

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00002379201 – 192Shikimate kinaseAdd BLAST192

Interactioni

Subunit structurei

Monomer.UniRule annotation

Protein-protein interaction databases

STRINGi266834.SMc00695.

Structurei

3D structure databases

ProteinModelPortaliQ92ME6.
SMRiQ92ME6.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Sequence similaritiesi

Belongs to the shikimate kinase family.UniRule annotation

Phylogenomic databases

eggNOGiENOG4105KHV. Bacteria.
COG0703. LUCA.
HOGENOMiHOG000032568.
KOiK00891.
OMAiHGEPHFR.

Family and domain databases

CDDicd00464. SK. 1 hit.
HAMAPiMF_00109. Shikimate_kinase. 1 hit.
InterProiView protein in InterPro
IPR027417. P-loop_NTPase.
IPR031322. Shikimate/glucono_kinase.
IPR000623. Shikimate_kinase/TSH1.
PfamiView protein in Pfam
PF01202. SKI. 1 hit.
SUPFAMiSSF52540. SSF52540. 1 hit.

Sequencei

Sequence statusi: Complete.

Q92ME6-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MNDVTEPVSA TLAERAKRTL GKRNLVFIGL MGAGKSAIGR LTAQALGVPF
60 70 80 90 100
VDSDHEIERV SRMTVSDLFA TYGEEEFRAL EARVLKRLLR SGPRVVSTGG
110 120 130 140 150
GAYINERSRR HIKKGGLTIW LNAELDVLWE RVNKRDTRPL LKTENPKQTL
160 170 180 190
ENLMRARYPI YAEADLTVLS RDVKKEAMVE EVLAAVADHQ KA
Length:192
Mass (Da):21,485
Last modified:December 1, 2001 - v1
Checksum:i6B86D7A6A0BAC2E4
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AL591688 Genomic DNA. Translation: CAC47256.1.
RefSeqiNP_386783.1. NC_003047.1.
WP_010970121.1. NC_003047.1.

Genome annotation databases

EnsemblBacteriaiCAC47256; CAC47256; SMc00695.
GeneIDi1234352.
KEGGisme:SMc00695.
PATRICifig|266834.11.peg.4179.

Similar proteinsi

Entry informationi

Entry nameiAROK_RHIME
AccessioniPrimary (citable) accession number: Q92ME6
Entry historyiIntegrated into UniProtKB/Swiss-Prot: May 30, 2006
Last sequence update: December 1, 2001
Last modified: June 7, 2017
This is version 92 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

Documents

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