Annotations: 1CBK

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1cbka_	Alpha and beta proteins (a+b)	Ferredoxin-like	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	(Haemophilus influenzae ) [TaxId: 727 ],	SCOPe (2.08)
B	d1cbkb_	Alpha and beta proteins (a+b)	Ferredoxin-like	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	(Haemophilus influenzae ) [TaxId: 727 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8023213	4001325	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8035593	3001294	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8035593	3001294	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	HPPK	e1cbkA1	A: a+b two layers	X: Alpha-beta plaits	H: 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK (From Topology)	T: 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	F: HPPK	ECOD (1.6)
B	HPPK	e1cbkB1	A: a+b two layers	X: Alpha-beta plaits	H: 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK (From Topology)	T: 6-hydroxymethyl-7,8-dihydropterin pyrophosphokinase, HPPK	F: HPPK	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.70.560	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK	CATH (4.3.0)
B	3.30.70.560	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B	PF01288	7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase (HPPK) (HPPK)	7,8-dihydro-6-hydroxymethylpterin-pyrophosphokinase (HPPK)	-	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	PROTEIN (7,8-DIHYDRO-6-HYDROXYMETHYLPTERIN-PYROPHOSPHOKINASE)	2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity diphosphotransferase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups 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 2-amino-4-hydroxy-6-hydroxymethyldihydropteridine diphosphokinase activity diphosphotransferase activity transferase activity catalytic activity transferase activity, transferring phosphorus-containing groups 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 kinase activity	oxoacid metabolic process cellular biosynthetic process vitamin biosynthetic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process small molecule metabolic process amide metabolic process water-soluble vitamin metabolic process folic acid metabolic process dicarboxylic acid biosynthetic process folic acid biosynthetic process folic acid-containing compound biosynthetic process water-soluble vitamin biosynthetic process oxoacid metabolic process cellular biosynthetic process vitamin biosynthetic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process small molecule metabolic process amide metabolic process water-soluble vitamin metabolic process folic acid metabolic process dicarboxylic acid biosynthetic process folic acid biosynthetic process folic acid-containing compound biosynthetic process water-soluble vitamin biosynthetic process small molecule biosynthetic process cellular metabolic process dicarboxylic acid metabolic process carboxylic acid metabolic process amide biosynthetic process cellular modified amino acid metabolic process vitamin metabolic process biosynthetic process cellular modified amino acid biosynthetic process folic acid-containing compound metabolic process pteridine-containing compound biosynthetic process metabolic process cellular process pteridine-containing compound metabolic process tetrahydrofolate biosynthetic process tetrahydrofolate metabolic process	-

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B	IPR035907	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK superfamily	Homologous Superfamily
A, B	IPR000550	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase, HPPK	Domain

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.