2QX0 | pdb_00002qx0

Crystal Structure of Yersinia pestis HPPK (Ternary Complex)

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)
B	d2qx0b_	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	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)
A	d2qx0a_	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	(Yersinia pestis ) [TaxId: 632 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8079244	3001294	SCOP2B (2022-06-29)
A	SCOP2 Family	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8079243	4001325	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	6-hydroxymethyl-7, 8-dihydropterin pyrophosphokinase, HPPK	8079244	3001294	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	Amidase_2	e2qx0B1	A: a/b three-layered sandwiches	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Amidase_2	ECOD (v294.1)
A	Amidase_2	e2qx0A1	A: a/b three-layered sandwiches	X: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	H: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	T: Sulfite reductase hemoprotein (SiRHP), domains 2 and 4	F: Amidase_2	ECOD (v294.1)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.30.70.560	Alpha Beta	2-Layer Sandwich	Alpha-Beta Plaits	7,8-Dihydro-6-hydroxymethylpterin-pyrophosphokinase HPPK	CATH (4.3.0)
A	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	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 anion 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 anion binding adenyl nucleotide binding ATP binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding small molecule binding kinase activity cation binding metal ion binding	oxoacid metabolic process modified amino acid biosynthetic process vitamin biosynthetic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process small molecule 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 dicarboxylic acid metabolic process oxoacid metabolic process modified amino acid biosynthetic process vitamin biosynthetic process organic acid metabolic process organic acid biosynthetic process carboxylic acid biosynthetic process small molecule 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 dicarboxylic acid metabolic process modified amino acid metabolic process carboxylic acid metabolic process vitamin metabolic process 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

Protein Modification Annotation

Modified Residue(s)
Chain	Residue(s)	Description
A, B	CSO	Parent Component: CYS RESID: AA0205 PSI-MOD : L-cysteine sulfenic acid MOD:00210

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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.