Annotations: 4S1I

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d4s1ia1	Alpha and beta proteins (a/b)	Ribokinase-like	Ribokinase-like	automated matches	automated matches	(Entamoeba histolytica ) [TaxId: 5759 ],	SCOPe (2.08)
A	d4s1ia2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Entamoeba histolytica ) [TaxId: 5759 ],	SCOPe (2.08)
B	d4s1ib1	Alpha and beta proteins (a/b)	Ribokinase-like	Ribokinase-like	automated matches	automated matches	(Entamoeba histolytica ) [TaxId: 5759 ],	SCOPe (2.08)
B	d4s1ib2	Artifacts	Tags	Tags	Tags	C-terminal Tags	(Entamoeba histolytica ) [TaxId: 5759 ],	SCOPe (2.08)

Domain Annotation: ECOD Classification ECOD Database Homepage

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
A	PfkB	e4s1iA1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Ribokinase-like (From Topology)	T: Ribokinase-like	F: PfkB	ECOD (1.6)
B	PfkB	e4s1iB1	A: a/b three-layered sandwiches	X: Rossmann-like	H: Ribokinase-like (From Topology)	T: Ribokinase-like	F: PfkB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.40.1190.20	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Ribokinase	CATH (4.3.0)
B	3.40.1190.20	Alpha Beta	3-Layer(aba) Sandwich	UDP-N-acetylmuramoyl-L-alanine:D-glutamate ligase	Ribokinase	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A	PF08543	Phosphomethylpyrimidine kinase (Phos_pyr_kin)	Phosphomethylpyrimidine kinase	-	Family
B	PF08543	Phosphomethylpyrimidine kinase (Phos_pyr_kin)	Phosphomethylpyrimidine kinase	-	Family

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A	Pyridoxal kinase	kinase activity transferase activity catalytic activity pyridoxal kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding	phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process organic substance metabolic process pyridoxal phosphate biosynthetic process cellular aldehyde metabolic process phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process organic substance metabolic process pyridoxal phosphate biosynthetic process cellular aldehyde metabolic process organic substance biosynthetic process pyridine-containing compound metabolic process small molecule metabolic process water-soluble vitamin metabolic process cellular metabolic compound salvage vitamin B6 biosynthetic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin metabolic process organic cyclic compound metabolic process pyridoxal 5'-phosphate salvage biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic hydroxy compound biosynthetic process organic cyclic compound biosynthetic process vitamin B6 metabolic process pyridoxal phosphate metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol
B	Pyridoxal kinase	kinase activity transferase activity catalytic activity pyridoxal kinase activity phosphotransferase activity, alcohol group as acceptor transferase activity, transferring phosphorus-containing groups binding nucleoside phosphate binding organic cyclic compound binding nucleotide binding heterocyclic compound binding small molecule binding	phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process organic substance metabolic process pyridoxal phosphate biosynthetic process cellular aldehyde metabolic process phosphorylation cellular metabolic process phosphate-containing compound metabolic process metabolic process cellular process phosphorus metabolic process cellular biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process vitamin biosynthetic process aldehyde biosynthetic process organic substance metabolic process pyridoxal phosphate biosynthetic process cellular aldehyde metabolic process organic substance biosynthetic process pyridine-containing compound metabolic process small molecule metabolic process water-soluble vitamin metabolic process cellular metabolic compound salvage vitamin B6 biosynthetic process organonitrogen compound metabolic process water-soluble vitamin biosynthetic process small molecule biosynthetic process pyridine-containing compound biosynthetic process vitamin metabolic process organic cyclic compound metabolic process pyridoxal 5'-phosphate salvage biosynthetic process organophosphate metabolic process organophosphate biosynthetic process organic hydroxy compound biosynthetic process organic cyclic compound biosynthetic process vitamin B6 metabolic process pyridoxal phosphate metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A	IPR004625	Pyridoxine kinase	Family
A	IPR029056	Ribokinase-like	Homologous Superfamily
A	IPR013749	Pyridoxamine kinase/Phosphomethylpyrimidine kinase	Domain
B	IPR004625	Pyridoxine kinase	Family
B	IPR029056	Ribokinase-like	Homologous Superfamily
B	IPR013749	Pyridoxamine kinase/Phosphomethylpyrimidine kinase	Domain

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.