1SQL

Crystal structure of 7,8-dihydroneopterin aldolase in complex with guanine

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

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

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A	d1sqla_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
B	d1sqlb_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
D	d1sqld_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
E	d1sqle_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
F	d1sqlf_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
G	d1sqlg_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
H	d1sqlh_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
I	d1sqli_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
J	d1sqlj_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
K	d1sqlk_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
L	d1sqll_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
M	d1sqlm_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
N	d1sqln_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
O	d1sqlo_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
P	d1sqlp_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)
C	d1sqlc_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	DHN aldolase/epimerase	7,8-dihydroneopterin aldolase	(Arabidopsis thaliana ) [TaxId: 3702 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A	SCOP2 Family	DHN aldolase/epimerase	8027326	4001721	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2 (2022-06-29)
B	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
D	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
E	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
F	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
G	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
H	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
I	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
J	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
K	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
L	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
M	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
N	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
O	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
P	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	3000283	SCOP2B (2022-06-29)
C	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8039705	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	FolB	e1sqlA1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
B	FolB	e1sqlB1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
D	FolB	e1sqlD1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
E	FolB	e1sqlE1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
F	FolB	e1sqlF1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
G	FolB	e1sqlG1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
H	FolB	e1sqlH1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
I	FolB	e1sqlI1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
J	FolB	e1sqlJ1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
K	FolB	e1sqlK1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
L	FolB	e1sqlL1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
M	FolB	e1sqlM1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
N	FolB	e1sqlN1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
O	FolB	e1sqlO1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
P	FolB	e1sqlP1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)
C	FolB	e1sqlC1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: FolB	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
B	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
D	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
E	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
F	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
G	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
H	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
I	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
J	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
K	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
L	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
M	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
N	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
O	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
P	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)
C	3.30.1130.10	Alpha Beta	2-Layer Sandwich	GTP Cyclohydrolase I, domain 2	GTP cyclohydrolase I, C-terminal domain/NADPH-dependent 7-cyano-7-deazaguanine reductase, N-terminal domain	CATH (4.3.0)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P	PF02152	Dihydroneopterin aldolase (FolB)	Dihydroneopterin aldolase	This enzyme EC:4.1.2.25 catalyses the conversion of 7,8-dihydroneopterin to 6-hydroxymethyl-7,8-dihydropterin in the biosynthetic pathway of tetrahydrofolate.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P	dihydroneopterin aldolase	dihydroneopterin aldolase activity lyase activity catalytic activity carbon-carbon lyase activity aldehyde-lyase activity	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 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 modified amino acid 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 dicarboxylic acid metabolic process modified amino acid metabolic process carboxylic acid metabolic process amide biosynthetic 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, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P	IPR006156	Dihydroneopterin aldolase	Family
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P	IPR006157	Dihydroneopterin aldolase/epimerase domain	Domain
A, B, C, D, E A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P	IPR043133	GTP cyclohydrolase I, C-terminal/NADPH-dependent 7-cyano-7-deazaguanine reductase	Homologous Superfamily

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.