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Argininosuccinate synthase, chloroplastic

Pseudotsuga menziesii (Douglas-fir) (Abies menziesii)
Reviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at protein leveli


Catalytic activityi

ATP + L-citrulline + L-aspartate = AMP + diphosphate + N(omega)-(L-arginino)succinate.By similarity

Pathwayi: L-arginine biosynthesis

This protein is involved in step 2 of the subpathway that synthesizes L-arginine from L-ornithine and carbamoyl phosphate.By similarity
Proteins known to be involved in the 3 steps of the subpathway in this organism are:
  1. no protein annotated in this organism
  2. Argininosuccinate synthase, chloroplastic
  3. no protein annotated in this organism
This subpathway is part of the pathway L-arginine biosynthesis, 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 L-arginine from L-ornithine and carbamoyl phosphate, the pathway L-arginine biosynthesis and in Amino-acid biosynthesis.

GO - Molecular functioni

GO - Biological processi

Complete GO annotation...

Keywords - Molecular functioni


Keywords - Biological processi

Amino-acid biosynthesis, Arginine biosynthesis

Keywords - Ligandi

ATP-binding, Nucleotide-binding

Enzyme and pathway databases

UniPathwayiUPA00068; UER00113.

Names & Taxonomyi

Protein namesi
Recommended name:
Argininosuccinate synthase, chloroplasticBy similarity (EC:
Alternative name(s):
Citrulline--aspartate ligaseBy similarity
OrganismiPseudotsuga menziesii (Douglas-fir) (Abies menziesii)
Taxonomic identifieri3357 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaPinidaePinalesPinaceaePseudotsuga

Subcellular locationi

  • Plastidchloroplast By similarity

GO - Cellular componenti

Complete GO annotation...

Keywords - Cellular componenti

Chloroplast, Plastid

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini‹1 – ›18›18Argininosuccinate synthase, chloroplasticPRO_0000347323Add


Subunit structurei

Homotetramer.By similarity

Family & Domainsi

Sequence similaritiesi

Belongs to the argininosuccinate synthase family. Type 1 subfamily.Sequence analysis


Sequence statusi: Fragments.

P85910-1 [UniParc]FASTAAdd to basket

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Mass (Da):2,065
Last modified:September 2, 2008 - v1

Experimental Info

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Non-terminal residuei1 – 111 Publication
Non-adjacent residuesi6 – 721 Publication
Non-terminal residuei18 – 1811 Publication


3D structure databases


Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Enzyme and pathway databases

UniPathwayiUPA00068; UER00113.

Family and domain databases


Entry informationi

Entry nameiASSY_PSEMZ
AccessioniPrimary (citable) accession number: P85910
Entry historyi
Integrated into UniProtKB/Swiss-Prot: September 2, 2008
Last sequence update: September 2, 2008
Last modified: January 7, 2015
This is version 17 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program



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

Similar proteinsi

Links to similar proteins from the UniProt Reference Clusters (UniRef) at 100%, 90% and 50% sequence identity:
100%UniRef100 combines identical sequences and sub-fragments with 11 or more residues from any organism into one UniRef entry.
90%UniRef90 is built by clustering UniRef100 sequences that have at least 90% sequence identity to, and 80% overlap with, the longest sequence (a.k.a seed sequence).
50%UniRef50 is built by clustering UniRef90 seed sequences that have at least 50% sequence identity to, and 80% overlap with, the longest sequence in the cluster.