1V4G

Crystal Structure of gamma-Glutamylcysteine Synthetase from Escherichia coli B

External Resource: Annotation

Domain Annotation: SCOP/SCOPe Classification
Domain Annotation: SCOP2 Classification
Domain Annotation: ECOD Classification
Domain Annotation: CATH
Protein Family Annotation
Gene Ontology: Gene Product Annotation
InterPro: Protein Family Classification
Protein Modification Annotation

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1v4ga_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase	Gamma-glutamylcysteine synthetase GshA	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B	d1v4gb_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase	Gamma-glutamylcysteine synthetase GshA	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C	d1v4gc_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase	Gamma-glutamylcysteine synthetase GshA	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D	d1v4gd_	Alpha and beta proteins (a+b)	Glutamine synthetase/guanido kinase	Glutamine synthetase/guanido kinase	Glutamate-cysteine ligase	Gamma-glutamylcysteine synthetase GshA	(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	8039538	3000676	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Glutamine synthetase/guanido kinase	8039538	3000676	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Glutamine synthetase/guanido kinase	8039538	3000676	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Glutamine synthetase/guanido kinase	8039538	3000676	SCOP2B (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	Glu_cys_ligase	e1v4gA1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: Glu_cys_ligase	ECOD (1.6)
B	Glu_cys_ligase	e1v4gB1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: Glu_cys_ligase	ECOD (1.6)
C	Glu_cys_ligase	e1v4gC1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: Glu_cys_ligase	ECOD (1.6)
D	Glu_cys_ligase	e1v4gD1	A: a+b two layers	X: Glutamine synthetase-like	H: Glutamine synthetase/guanido kinase (From Topology)	T: Glutamine synthetase/guanido kinase	F: Glu_cys_ligase	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	6.10.140.800	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
A	3.30.590.20	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
B	6.10.140.800	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
B	3.30.590.20	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
C	6.10.140.800	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
C	3.30.590.20	Alpha Beta	2-Layer Sandwich	Creatine Kinase	Chain A, domain 2	CATH (4.3.0)
D	6.10.140.800	Special	Helix non-globular	Helix Hairpins		CATH (4.3.0)
D	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, C, D	PF04262	Glutamate-cysteine ligase (Glu_cys_ligase)	Glutamate-cysteine ligase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D	Glutamate--cysteine ligase	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 acid-amino acid ligase activity glutamate-cysteine ligase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity cation binding metal ion binding	glutathione metabolic process modified amino acid biosynthetic process modified amino acid metabolic process amide biosynthetic process sulfur compound biosynthetic process biosynthetic process peptide biosynthetic process glutathione biosynthetic process metabolic process cellular process sulfur compound metabolic process amide metabolic process nonribosomal peptide biosynthetic process peptide metabolic process glutathione metabolic process modified amino acid biosynthetic process modified amino acid metabolic process amide biosynthetic process sulfur compound biosynthetic process biosynthetic process peptide biosynthetic process glutathione biosynthetic process metabolic process cellular process sulfur compound metabolic process amide metabolic process nonribosomal peptide biosynthetic process peptide metabolic process cellular response to arsenic-containing substance cellular response to stimulus cellular response to chemical stimulus response to stimulus response to chemical response to arsenic-containing substance cellular response to metal ion response to mercury ion response to metal ion cellular response to mercury ion response to osmotic stress hyperosmotic response response to stress response to abiotic stimulus	cellular anatomical structure intracellular anatomical structure cytoplasm cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B, C, D	IPR006334	Glutamate--cysteine ligase, monofunctional	Family
A, B, C, D	IPR007370	Glutamate--cysteine ligase	Domain
A, B, C, D	IPR014746	Glutamine synthetase/guanido kinase, catalytic domain	Homologous Superfamily

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B, C, D	FME	Parent Component: MET RESID: AA0021 , AA0566 PSI-MOD : N-formyl-L-methionine residue MOD:00030 , N-formyl-L-methionine (Met) MOD:00482 , N-[(L-histidin-1'-yl)methyl]-L-methionine (fMet) MOD:01890 , N-[(L-histidin-1'-yl)methyl]-L-methionine (Met) MOD:01891

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.