Annotations: 1IHO

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1ihob_	Alpha and beta proteins (a/b)	Adenine nucleotide alpha hydrolase-like	Nucleotidylyl transferase	Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC)	Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC)	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
A	d1ihoa_	Alpha and beta proteins (a/b)	Adenine nucleotide alpha hydrolase-like	Nucleotidylyl transferase	Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC)	Pantothenate synthetase (Pantoate-beta-alanine ligase, PanC)	(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)
B	SCOP2B Superfamily	Nucleotidylyl transferase	8033960	3001541	SCOP2B (2022-06-29)
A	SCOP2 Family	Pantothenate synthetase (Pantoate-beta-alanine ligase PanC)	8021580	4003374	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Nucleotidylyl transferase	8033960	3001541	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)
B	Pantoate_ligase_C	e1ihoB3	A: a+b duplicates or obligate multimers	X: Creatinase/aminopeptidase-like	H: Creatinase/aminopeptidase (From Topology)	T: Creatinase/aminopeptidase	F: Pantoate_ligase_C	ECOD (1.6)
B	Pantoate_ligase_N	e1ihoB2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: Pantoate_ligase_N	ECOD (1.6)
A	Pantoate_ligase_C	e1ihoA3	A: a+b duplicates or obligate multimers	X: Creatinase/aminopeptidase-like	H: Creatinase/aminopeptidase (From Topology)	T: Creatinase/aminopeptidase	F: Pantoate_ligase_C	ECOD (1.6)
A	Pantoate_ligase_N	e1ihoA2	A: a/b three-layered sandwiches	X: HUP domain-like	H: HUP domains (From Topology)	T: HUP domains	F: Pantoate_ligase_N	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
B	3.30.1300.10	Alpha Beta	2-Layer Sandwich	Pantoate--beta-alanine Ligase	Chain: A,domain 2	CATH (4.3.0)
A	3.40.50.620	Alpha Beta	3-Layer(aba) Sandwich	Rossmann fold	HUPs	CATH (4.3.0)
A	3.30.1300.10	Alpha Beta	2-Layer Sandwich	Pantoate--beta-alanine Ligase	Chain: A,domain 2	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF02569	Pantoate-beta-alanine ligase (Pantoate_ligase)	Pantoate-beta-alanine ligase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PANTOATE--BETA-ALANINE 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 pantoate-beta-alanine ligase activity catalytic activity ligase activity, forming carbon-nitrogen bonds ligase activity identical protein binding protein binding protein homodimerization activity protein dimerization activity	oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process vitamin biosynthetic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process cellular nitrogen compound biosynthetic process organic substance metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process amide metabolic process water-soluble vitamin metabolic process oxoacid metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process vitamin biosynthetic process organic acid biosynthetic process organic acid metabolic process carboxylic acid biosynthetic process cellular nitrogen compound biosynthetic process organic substance metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process amide metabolic process water-soluble vitamin metabolic process pantothenate metabolic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process monocarboxylic acid biosynthetic process small molecule biosynthetic process cellular metabolic process carboxylic acid metabolic process amide biosynthetic process cellular nitrogen compound metabolic process vitamin metabolic process cellular modified amino acid metabolic process biosynthetic process cellular modified amino acid biosynthetic process pantothenate biosynthetic process metabolic process cellular process monocarboxylic acid metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR004821	Cytidyltransferase-like domain	Domain
A, B	IPR042176	Pantoate-beta-alanine ligase, C-terminal domain	Homologous Superfamily
A, B	IPR003721	Pantoate-beta-alanine ligase	Family
A, B	IPR014729	Rossmann-like alpha/beta/alpha sandwich fold	Homologous Superfamily

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.