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Q9LV77

- ASNS2_ARATH

UniProt

Q9LV77 - ASNS2_ARATH

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Protein

Asparagine synthetase [glutamine-hydrolyzing] 2

Gene
ASN2, At5g65010, MXK3.25
Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Reviewed - Annotation score: 5 out of 5 - Experimental evidence at protein leveli

Functioni

Essential for nitrogen assimilation, distribution and remobilization within the plant via the phloem.1 Publication

Catalytic activityi

ATP + L-aspartate + L-glutamine + H2O = AMP + diphosphate + L-asparagine + L-glutamate.

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei2 – 21For GATase activity By similarity
Binding sitei98 – 981Glutamine By similarity
Binding sitei231 – 2311ATP; via carbonyl oxygen By similarity
Binding sitei267 – 2671ATP; via amide nitrogen and carbonyl oxygen By similarity
Sitei343 – 3431Important for beta-aspartyl-AMP intermediate formation By similarity

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi341 – 3422ATP By similarity

GO - Molecular functioni

  1. asparagine synthase (glutamine-hydrolyzing) activity Source: UniProtKB-EC
  2. ATP binding Source: UniProtKB-KW

GO - Biological processi

  1. glutamine metabolic process Source: UniProtKB-KW
  2. L-asparagine biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Ligase

Keywords - Biological processi

Amino-acid biosynthesis, Asparagine biosynthesis

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Enzyme and pathway databases

BioCyciARA:GQT-858-MONOMER.
UniPathwayiUPA00134.

Protein family/group databases

MEROPSiC44.976.

Names & Taxonomyi

Protein namesi
Recommended name:
Asparagine synthetase [glutamine-hydrolyzing] 2 (EC:6.3.5.4)
Alternative name(s):
Glutamine-dependent asparagine synthetase 2
Gene namesi
Name:ASN2
Ordered Locus Names:At5g65010
ORF Names:MXK3.25
OrganismiArabidopsis thaliana (Mouse-ear cress)
Taxonomic identifieri3702 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaeudicotyledonsGunneridaePentapetalaerosidsmalvidsBrassicalesBrassicaceaeCamelineaeArabidopsis
ProteomesiUP000006548: Chromosome 5

Organism-specific databases

TAIRiAT5G65010.

Pathology & Biotechi

Disruption phenotypei

Pale green leaf phenotype and reduction of biomass in mature plants. Increased levels of asparagine, proline and ammonium in response to salt treatment.2 Publications

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed By similarity
Chaini2 – 578577Asparagine synthetase [glutamine-hydrolyzing] 2PRO_0000420840Add
BLAST

Proteomic databases

PRIDEiQ9LV77.
ProMEXiQ9LV77.

Expressioni

Tissue specificityi

Expressed in the vascular region adjacent to leaf mesophyll cells in the companion cell-sieve tube element complex.2 Publications

Inductioni

By light and sucrose. Down-regulated by dark.3 Publications

Gene expression databases

GenevestigatoriQ9LV77.

Interactioni

Protein-protein interaction databases

STRINGi3702.AT5G65010.2-P.

Structurei

3D structure databases

ProteinModelPortaliQ9LV77.
SMRiQ9LV77. Positions 18-517.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini2 – 185184Glutamine amidotransferase type-2Add
BLAST
Domaini210 – 450241Asparagine synthetaseAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni50 – 545Glutamine binding By similarity
Regioni75 – 773Glutamine binding By similarity

Compositional bias

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Compositional biasi559 – 5657Poly-Ala

Sequence similaritiesi

Keywords - Domaini

Glutamine amidotransferase

Phylogenomic databases

HOGENOMiHOG000027493.
InParanoidiQ9LV77.
KOiK01953.
OMAiICGELRF.
PhylomeDBiQ9LV77.

Family and domain databases

Gene3Di3.40.50.620. 1 hit.
3.60.20.10. 1 hit.
InterProiIPR006426. Asn_synth_AEB.
IPR001962. Asn_synthase.
IPR017932. GATase_2_dom.
IPR000583. GATase_dom.
IPR029055. Ntn_hydrolases_N.
IPR014729. Rossmann-like_a/b/a_fold.
[Graphical view]
PfamiPF00733. Asn_synthase. 1 hit.
PF13537. GATase_7. 1 hit.
[Graphical view]
PIRSFiPIRSF001589. Asn_synthetase_glu-h. 1 hit.
SUPFAMiSSF56235. SSF56235. 1 hit.
TIGRFAMsiTIGR01536. asn_synth_AEB. 1 hit.
PROSITEiPS51278. GATASE_TYPE_2. 1 hit.
[Graphical view]

Sequences (2)i

Sequence statusi: Complete.

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

This entry describes 2 isoformsi produced by alternative splicing. Align

Isoform 1 (identifier: Q9LV77-1) [UniParc]FASTAAdd to Basket

This isoform has been chosen as the 'canonical' sequence. All positional information in this entry refers to it. This is also the sequence that appears in the downloadable versions of the entry.

« Hide

MCGILAVLGC IDNSQAKRSR IIELSRRLRH RGPDWSGLHC YEDCYLAHER    50
LAIIDPTSGD QPLYNEDKTV AVTVNGEIYN HKILREKLKS HQFRTGSDCE 100
VIAHLYEEHG EEFIDMLDGM FAFVLLDTRD KSFIAARDAI GITPLYIGWG 150
LDGSVWFASE MKALSDDCEQ FMSFPPGHIY SSKQGGLRRW YNPPWYNEQV 200
PSTPYDPLVL RNAFEKAVIK RLMTDVPFGV LLSGGLDSSL VAAVALRHLE 250
KSEAARQWGS QLHTFCIGLQ GSPDLKAGRE VADYLGTRHH EFQFTVQDGI 300
DAIEEVIYHI ETYDVTTIRA STPMFLMSRK IKSLGVKMVL SGEGSDEILG 350
GYLYFHKAPN KKEFHEETCR KIKALHQFDC LRANKSTSAW GVEARVPFLD 400
KEFLNVAMSI DPEWKLIKPD LGRIEKWVLR NAFDDEERPY LPKHILYRQK 450
EQFSDGVGYS WIDGLKDHAN KHVSDTMLSN ASFVFPDNTP LTKEAYYYRT 500
IFEKFFPKSA ARATVPGGPS IACSTAKAVE WDATWSKNLD PSGRAALGVH 550
VAAYEEDKAA AAAKAGSDLV DPLPKNGT 578
Length:578
Mass (Da):65,030
Last modified:October 1, 2000 - v1
Checksum:iCAEAD8DC90F3A773
GO
Isoform 2 (identifier: Q9LV77-2) [UniParc]FASTAAdd to Basket

The sequence of this isoform differs from the canonical sequence as follows:
     508-508: K → KQ

Note: Derived from EST data. No experimental confirmation available.

Show »
Length:579
Mass (Da):65,158
Checksum:iAF6CE3E95A30A9F5
GO

Alternative sequence

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Alternative sequencei508 – 5081K → KQ in isoform 2. VSP_044714

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti484 – 4841V → F in AAC72837. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF095453 mRNA. Translation: AAC72837.1.
AB019236 Genomic DNA. Translation: BAA97313.1.
CP002688 Genomic DNA. Translation: AED97984.1.
CP002688 Genomic DNA. Translation: AED97985.1.
AF367340 mRNA. Translation: AAK32927.1.
AY124866 mRNA. Translation: AAM70575.1.
RefSeqiNP_201306.2. NM_125900.2. [Q9LV77-2]
NP_851272.1. NM_180941.2. [Q9LV77-1]
UniGeneiAt.67717.
At.7860.

Genome annotation databases

EnsemblPlantsiAT5G65010.1; AT5G65010.1; AT5G65010. [Q9LV77-1]
GeneIDi836625.
KEGGiath:AT5G65010.

Keywords - Coding sequence diversityi

Alternative splicing

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AF095453 mRNA. Translation: AAC72837.1 .
AB019236 Genomic DNA. Translation: BAA97313.1 .
CP002688 Genomic DNA. Translation: AED97984.1 .
CP002688 Genomic DNA. Translation: AED97985.1 .
AF367340 mRNA. Translation: AAK32927.1 .
AY124866 mRNA. Translation: AAM70575.1 .
RefSeqi NP_201306.2. NM_125900.2. [Q9LV77-2 ]
NP_851272.1. NM_180941.2. [Q9LV77-1 ]
UniGenei At.67717.
At.7860.

3D structure databases

ProteinModelPortali Q9LV77.
SMRi Q9LV77. Positions 18-517.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 3702.AT5G65010.2-P.

Protein family/group databases

MEROPSi C44.976.

Proteomic databases

PRIDEi Q9LV77.
ProMEXi Q9LV77.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblPlantsi AT5G65010.1 ; AT5G65010.1 ; AT5G65010 . [Q9LV77-1 ]
GeneIDi 836625.
KEGGi ath:AT5G65010.

Organism-specific databases

TAIRi AT5G65010.

Phylogenomic databases

HOGENOMi HOG000027493.
InParanoidi Q9LV77.
KOi K01953.
OMAi ICGELRF.
PhylomeDBi Q9LV77.

Enzyme and pathway databases

UniPathwayi UPA00134 .
BioCyci ARA:GQT-858-MONOMER.

Gene expression databases

Genevestigatori Q9LV77.

Family and domain databases

Gene3Di 3.40.50.620. 1 hit.
3.60.20.10. 1 hit.
InterProi IPR006426. Asn_synth_AEB.
IPR001962. Asn_synthase.
IPR017932. GATase_2_dom.
IPR000583. GATase_dom.
IPR029055. Ntn_hydrolases_N.
IPR014729. Rossmann-like_a/b/a_fold.
[Graphical view ]
Pfami PF00733. Asn_synthase. 1 hit.
PF13537. GATase_7. 1 hit.
[Graphical view ]
PIRSFi PIRSF001589. Asn_synthetase_glu-h. 1 hit.
SUPFAMi SSF56235. SSF56235. 1 hit.
TIGRFAMsi TIGR01536. asn_synth_AEB. 1 hit.
PROSITEi PS51278. GATASE_TYPE_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Reciprocal regulation of distinct asparagine synthetase genes by light and metabolites in Arabidopsis thaliana."
    Lam H.M., Hsieh M.H., Coruzzi G.
    Plant J. 16:345-353(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA] (ISOFORM 1), TISSUE SPECIFICITY, INDUCTION.
  2. "Structural analysis of Arabidopsis thaliana chromosome 5. X. Sequence features of the regions of 3,076,755 bp covered by sixty P1 and TAC clones."
    Sato S., Nakamura Y., Kaneko T., Katoh T., Asamizu E., Kotani H., Tabata S.
    DNA Res. 7:31-63(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: cv. Columbia.
  3. The Arabidopsis Information Resource (TAIR)
    Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases
    Cited for: GENOME REANNOTATION.
    Strain: cv. Columbia.
  4. "Empirical analysis of transcriptional activity in the Arabidopsis genome."
    Yamada K., Lim J., Dale J.M., Chen H., Shinn P., Palm C.J., Southwick A.M., Wu H.C., Kim C.J., Nguyen M., Pham P.K., Cheuk R.F., Karlin-Newmann G., Liu S.X., Lam B., Sakano H., Wu T., Yu G.
    , Miranda M., Quach H.L., Tripp M., Chang C.H., Lee J.M., Toriumi M.J., Chan M.M., Tang C.C., Onodera C.S., Deng J.M., Akiyama K., Ansari Y., Arakawa T., Banh J., Banno F., Bowser L., Brooks S.Y., Carninci P., Chao Q., Choy N., Enju A., Goldsmith A.D., Gurjal M., Hansen N.F., Hayashizaki Y., Johnson-Hopson C., Hsuan V.W., Iida K., Karnes M., Khan S., Koesema E., Ishida J., Jiang P.X., Jones T., Kawai J., Kamiya A., Meyers C., Nakajima M., Narusaka M., Seki M., Sakurai T., Satou M., Tamse R., Vaysberg M., Wallender E.K., Wong C., Yamamura Y., Yuan S., Shinozaki K., Davis R.W., Theologis A., Ecker J.R.
    Science 302:842-846(2003) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORM 1).
    Strain: cv. Columbia.
  5. "Correlation of ASN2 gene expression with ammonium metabolism in Arabidopsis."
    Wong H.K., Chan H.K., Coruzzi G.M., Lam H.M.
    Plant Physiol. 134:332-338(2004) [PubMed] [Europe PMC] [Abstract]
    Cited for: INDUCTION.
  6. "An Arabidopsis mutant disrupted in ASN2 encoding asparagine synthetase 2 exhibits low salt stress tolerance."
    Maaroufi-Dguimi H., Debouba M., Gaufichon L., Clement G., Gouia H., Hajjaji A., Suzuki A.
    Plant Physiol. Biochem. 49:623-628(2011) [PubMed] [Europe PMC] [Abstract]
    Cited for: DISRUPTION PHENOTYPE.
  7. "Arabidopsis thaliana ASN2 encoding asparagine synthetase is involved in the control of nitrogen assimilation and export during vegetative growth."
    Gaufichon L., Masclaux-Daubresse C., Tcherkez G., Reisdorf-Cren M., Sakakibara Y., Hase T., Clement G., Avice J.C., Grandjean O., Marmagne A., Boutet-Mercey S., Azzopardi M., Soulay F., Suzuki A.
    Plant Cell Environ. 36:328-342(2013) [PubMed] [Europe PMC] [Abstract]
    Cited for: FUNCTION, TISSUE SPECIFICITY, INDUCTION, DISRUPTION PHENOTYPE.

Entry informationi

Entry nameiASNS2_ARATH
AccessioniPrimary (citable) accession number: Q9LV77
Secondary accession number(s): F4KGG8, Q9ZST6
Entry historyi
Integrated into UniProtKB/Swiss-Prot: January 9, 2013
Last sequence update: October 1, 2000
Last modified: June 11, 2014
This is version 92 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. Arabidopsis thaliana
    Arabidopsis thaliana: 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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