Annotations: 1R8G

Domain Annotation: SCOP/SCOPe Classification SCOP-e Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1r8ga_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase family 2 (GCS2)	Carboxylate-amine ligase YbdK	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1r8gb_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase family 2 (GCS2)	Carboxylate-amine ligase YbdK	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2B Superfamily	Glutamine synthetase/guanido kinase	8038786	3000676	SCOP2B (2022-06-29)
B	SCOP2 Family	Glutamate-cysteine ligase family 2 (GCS2)	8026407	4002776	SCOP2 (2022-06-29)
B	SCOP2 Superfamily	Glutamine synthetase/guanido kinase	8038786	3000676	SCOP2 (2022-06-29)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	GCS2	e1r8gA1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: GCS2	ECOD (1.6)
B	GCS2	e1r8gB1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: GCS2	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.590.20	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
B	3.30.590.20	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF04107	Glutamate-cysteine ligase family 2(GCS2) (GCS2)	Glutamate-cysteine ligase family 2(GCS2)	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	Hypothetical protein ybdK	binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding binding adenyl ribonucleotide binding nucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding ion binding purine nucleotide binding anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding identical protein binding protein binding protein homodimerization activity protein dimerization activity acid-amino acid ligase activity glutamate-cysteine ligase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity	biosynthetic process modified amino acid biosynthetic process modified amino acid metabolic process metabolic process cellular process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR011793	Putative glutamate--cysteine ligase YbdK	Family
A, B	IPR050141	Glutamate--cysteine ligase type 2, YbdK subfamily	Family
A, B	IPR006336	Glutamate--cysteine ligase, GCS2	Family
A, B	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily

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.