8TGE

Crystal structure of the Methanosarcina mazei glutamine synthetase in complex with GlnK1

External Resource: Annotation

Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	PF00120	Glutamine synthetase, catalytic domain (Gln-synt_C)	Glutamine synthetase, catalytic domain	-	Domain
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	PF03951	Glutamine synthetase, beta-Grasp domain (Gln-synt_N)	Glutamine synthetase, beta-Grasp domain	-	Domain
G [auth J], H [auth G], I [auth Z]	PF00543	Nitrogen regulatory protein P-II (P-II)	Nitrogen regulatory protein P-II	P-II modulates the activity of glutamine synthetase. It is a tetrameric protein encoded by the glnB gene, a component of the adenylation cascade involved in the regulation of GS activity [1,2].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	Glutamine synthetase	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding acid-ammonia (or amide) ligase activity ammonia ligase activity glutamine synthetase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity cation binding metal ion binding	glutamine family amino acid biosynthetic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glutamine family amino acid metabolic process small molecule metabolic process glutamine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process L-amino acid biosynthetic process glutamine family amino acid biosynthetic process oxoacid metabolic process amino acid metabolic process organic acid metabolic process organic acid biosynthetic process alpha-amino acid metabolic process carboxylic acid biosynthetic process glutamine family amino acid metabolic process small molecule metabolic process glutamine metabolic process small molecule biosynthetic process carboxylic acid metabolic process primary metabolic process L-amino acid biosynthetic process L-amino acid metabolic process proteinogenic amino acid metabolic process amino acid biosynthetic process biosynthetic process proteinogenic amino acid biosynthetic process metabolic process cellular process glutamine biosynthetic process alpha-amino acid biosynthetic process	cellular anatomical structure intracellular anatomical structure cytoplasm
G [auth J], H [auth G], I [auth Z]	Nitrogen regulatory protein GlnK1	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding organic cyclic compound binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding enzyme regulator activity molecular function regulator activity	response to nutrient levels regulation of response to nutrient levels regulation of biological process response to stimulus homeostatic process nitrogen utilization biological regulation regulation of nitrogen utilization cellular homeostasis chemical homeostasis regulation of response to stimulus intracellular nitrogen homeostasis intracellular chemical homeostasis	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR008146	Glutamine synthetase, catalytic domain	Domain
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR027303	Glutamine synthetase, glycine-rich site	Conserved Site
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR027302	Glutamine synthetase, N-terminal conserved site	Conserved Site
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR008147	Glutamine synthetase, N-terminal domain	Domain
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR004809	Glutamine synthetase type I	Family
A, B, C [auth D], D [auth Y], E [auth M], A, B, C [auth D], D [auth Y], E [auth M], F [auth P]	IPR036651	Glutamine synthetase, N-terminal domain superfamily	Homologous Superfamily
G [auth J], H [auth G], I [auth Z]	IPR015867	Nitrogen regulatory protein PII/ATP phosphoribosyltransferase, C-terminal	Homologous Superfamily
G [auth J], H [auth G], I [auth Z]	IPR011322	Nitrogen regulatory PII-like, alpha/beta	Homologous Superfamily
G [auth J], H [auth G], I [auth Z]	IPR002187	Nitrogen regulatory protein PII	Family

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.