3I2B

The crystal structure of human 6 Pyruvoyl Tetrahydrobiopterin Synthase

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
Pharos: Disease Associations

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d3i2ba_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
B [auth D]	d3i2bd_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
C [auth E]	d3i2be_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
E [auth C]	d3i2bc_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
F	d3i2bf_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
G	d3i2bg_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
H	d3i2bh_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
I	d3i2bi_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
J	d3i2bj_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
L	d3i2bl_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
D [auth B]	d3i2bb_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	SCOPe (2.08)
K	d3i2bk_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	automated matches	automated matches	human (Homo sapiens ) [TaxId: 9606 ],	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-pyruvoyl tetrahydropterin synthase	8061621	4001717	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2 (2022-06-29)
B [auth D]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
C [auth E]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
E [auth C]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
D [auth B]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8061622	3000283	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	PF01242	e3i2bA1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
B [auth D]	PF01242	e3i2bD1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
C [auth E]	PF01242	e3i2bE1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
E [auth C]	PF01242	e3i2bC1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
F	PF01242	e3i2bF1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
G	PF01242	e3i2bG1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
H	PF01242	e3i2bH1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
I	PF01242	e3i2bI1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
J	PF01242	e3i2bJ1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
L	PF01242	e3i2bL1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
D [auth B]	PF01242	e3i2bB1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)
K	PF01242	e3i2bK1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: PF01242	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
B [auth D]	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
C [auth E]	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
E [auth C]	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
F	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
G	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
H	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
I	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
J	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
L	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
D [auth B]	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)
K	3.30.479.10	Alpha Beta	2-Layer Sandwich	Tetrahydropterin Synthase	Chain A	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	PF01242	6-pyruvoyl tetrahydropterin synthase (PTPS)	6-pyruvoyl tetrahydropterin synthase	6-Pyruvoyl tetrahydrobiopterin synthase catalyses the conversion of dihydroneopterin triphosphate to 6-pyruvoyl tetrahydropterin, the second of three enzymatic steps in the synthesis of tetrahydrobiopterin from GTP. The functional enzyme is a hexamer ...	6-Pyruvoyl tetrahydrobiopterin synthase catalyses the conversion of dihydroneopterin triphosphate to 6-pyruvoyl tetrahydropterin, the second of three enzymatic steps in the synthesis of tetrahydrobiopterin from GTP. The functional enzyme is a hexamer of identical subunits [1].	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	6-pyruvoyl tetrahydrobiopterin synthase	carbon-oxygen lyase activity, acting on phosphates 6-pyruvoyltetrahydropterin synthase activity lyase activity catalytic activity carbon-oxygen lyase activity cation binding ion binding binding metal ion binding small molecule binding identical protein binding protein binding	developmental process multicellular organism development multicellular organismal process central nervous system development anatomical structure development nervous system development system development polyol metabolic process organonitrogen compound metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process alcohol metabolic process diol biosynthetic process developmental process multicellular organism development multicellular organismal process central nervous system development anatomical structure development nervous system development system development polyol metabolic process organonitrogen compound metabolic process small molecule biosynthetic process organic hydroxy compound metabolic process organonitrogen compound biosynthetic process alcohol metabolic process diol biosynthetic process organic cyclic compound metabolic process organic substance metabolic process diol metabolic process biosynthetic process tetrahydrobiopterin biosynthetic process organic cyclic compound biosynthetic process tetrahydrobiopterin metabolic process organic hydroxy compound biosynthetic process pteridine-containing compound biosynthetic process organic substance biosynthetic process polyol biosynthetic process alcohol biosynthetic process metabolic process small molecule metabolic process pteridine-containing compound metabolic process amino acid metabolic process primary metabolic process	membrane-bounded organelle intracellular organelle intracellular anatomical structure mitochondrion organelle cytoplasm cellular anatomical entity intracellular membrane-bounded organelle cytosol

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	IPR022469	6-pyruvoyl tetrahydropterin synthase, histidine active site	Active Site
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	IPR038418	6-pyruvoyl tetrahydropterin synthase/QueD superfamily	Homologous Superfamily
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	IPR022470	6-pyruvoyl tetrahydropterin synthase, cysteine active site	Active Site
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	IPR007115	6-pyruvoyl tetrahydropterin synthase/QueD family	Family

Pharos: Disease Associations Pharos Homepage Annotation

Chains	Drug Target	Associated Disease
A, B [auth D], C [auth E], D [auth B], E [auth C], A, B [auth D], C [auth E], D [auth B], E [auth C], F, G, H, I, J, K, L	Pharos: Q03393	BH4-deficient hyperphenylalaninemia A phenylketonuria astrocytic tumor Epileptic encephalopathy inborn errors of metabolism malignant ependymoma ovarian cancer plasma cell myeloma hereditary spastic paraplegia intellectual disability non-small cell lung carcinoma pancreatic ductal adenocarcinoma bipolar disorder lung cancer oligodendroglioma

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.