Annotations: 4BUC

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PF21377	e4bucA3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: MurCD/PglD N-terminal domain-like	F: PF21377	ECOD (1.6)
A	PF08245	e4bucA2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF08245	ECOD (1.6)
A	PF02875	e4bucA1	A: a/b three-layered sandwiches	X: MurD-like peptide ligases, peptide-binding domain (From Topology)	H: MurD-like peptide ligases, peptide-binding domain (From Topology)	T: MurD-like peptide ligases, peptide-binding domain	F: PF02875	ECOD (1.6)
B	PF21377	e4bucB3	A: a/b three-layered sandwiches	X: Rossmann-like	H: Rossmann-related	T: MurCD/PglD N-terminal domain-like	F: PF21377	ECOD (1.6)
B	PF08245	e4bucB2	A: a/b three-layered sandwiches	X: P-loop domains-like	H: P-loop domains-related	T: P-loop containing nucleoside triphosphate hydrolases	F: PF08245	ECOD (1.6)
B	PF02875	e4bucB1	A: a/b three-layered sandwiches	X: MurD-like peptide ligases, peptide-binding domain (From Topology)	H: MurD-like peptide ligases, peptide-binding domain (From Topology)	T: MurD-like peptide ligases, peptide-binding domain	F: PF02875	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
A	3.40.1190.10	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Mur-like, catalytic domain	CATH (4.3.0)
A	3.90.190.20	Alpha Beta	Alpha-Beta Complex	Protein-Tyrosine Phosphatase	Chain A	CATH (4.3.0)
B	3.40.50.720	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	NAD(P)-binding Rossmann-like Domain	CATH (4.3.0)
B	3.40.1190.10	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Mur-like, catalytic domain	CATH (4.3.0)
B	3.90.190.20	Alpha Beta	Alpha-Beta Complex	Protein-Tyrosine Phosphatase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF08245	Mur ligase middle domain (Mur_ligase_M)	Mur ligase middle domain	-	Domain
A, B	PF21377	MurD N-terminal domain (MurD_N)	MurD N-terminal domain	This is the N-terminal catalytic domain of MurD ligases [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	UDP-N-ACETYLMURAMOYLALANINE--D-GLUTAMATE LIGASE	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-amino acid ligase activity catalytic activity UDP-N-acetylmuramoylalanine-D-glutamate ligase activity ligase activity, forming carbon-nitrogen bonds ligase activity	developmental process regulation of biological process regulation of developmental process biological regulation regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis anatomical structure development regulation of biological quality regulation of anatomical structure morphogenesis cellular process cell cycle cellular biosynthetic process developmental process regulation of biological process regulation of developmental process biological regulation regulation of cell shape cell morphogenesis regulation of cell morphogenesis anatomical structure morphogenesis anatomical structure development regulation of biological quality regulation of anatomical structure morphogenesis cellular process cell cycle cellular biosynthetic process cell wall organization or biogenesis glycosaminoglycan metabolic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process cellular component biogenesis organic substance metabolic process peptidoglycan metabolic process organic substance biosynthetic process glycosaminoglycan biosynthetic process cellular component organization or biogenesis carbohydrate derivative biosynthetic process peptidoglycan-based cell wall biogenesis organonitrogen compound metabolic process cellular metabolic process macromolecule biosynthetic process peptidoglycan biosynthetic process cell wall biogenesis biosynthetic process cell wall macromolecule biosynthetic process aminoglycan metabolic process aminoglycan biosynthetic process metabolic process macromolecule metabolic process cell division cellular component organization cell wall organization external encapsulating structure organization	intracellular anatomical structure cytoplasm cellular anatomical entity

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR036615	Mur ligase, C-terminal domain superfamily	Homologous Superfamily
A, B	IPR013221	Mur ligase, central	Domain
A, B	IPR036565	Mur-like, catalytic domain superfamily	Homologous Superfamily
A, B	IPR005762	UDP-N-acetylmuramoylalanine-D-glutamate ligase MurD	Family

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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 R01GM133198.