Annotations: 1N3T

Domain Annotation: SCOP/SCOPe Classification SCOP Database Homepage

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
A [auth F]	d1n3tf_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
G [auth L]	d1n3tl_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
H [auth M]	d1n3tm_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
I [auth N]	d1n3tn_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
K [auth A]	d1n3ta_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
M [auth C]	d1n3tc_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
B [auth G]	d1n3tg_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
C [auth H]	d1n3th_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
D [auth I]	d1n3ti_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
E [auth J]	d1n3tj_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
F [auth K]	d1n3tk_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
J [auth O]	d1n3to_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
L [auth B]	d1n3tb_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
N [auth D]	d1n3td_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)
O [auth E]	d1n3te_	Alpha and beta proteins (a+b)	T-fold	Tetrahydrobiopterin biosynthesis enzymes-like	GTP cyclohydrolase I	GTP cyclohydrolase I	(Escherichia coli ) [TaxId: 562 ],	SCOPe (2.08)

Domain Annotation: SCOP2 Classification SCOP2 Database Homepage

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
A [auth F]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
G [auth L]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
H [auth M]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
I [auth N]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
K [auth A]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
M [auth C]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
B [auth G]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
C [auth H]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
D [auth I]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
E [auth J]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
F [auth K]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
J [auth O]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
L [auth B]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
N [auth D]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	3000283	SCOP2B (2022-06-29)
O [auth E]	SCOP2B Superfamily	Tetrahydrobiopterin biosynthesis enzymes-like	8035783	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 [auth F]	GTP_cyclohydroI	e1n3tF1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
G [auth L]	GTP_cyclohydroI	e1n3tL1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
H [auth M]	GTP_cyclohydroI	e1n3tM1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
I [auth N]	GTP_cyclohydroI	e1n3tN1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
K [auth A]	GTP_cyclohydroI	e1n3tA1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
M [auth C]	GTP_cyclohydroI	e1n3tC1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
B [auth G]	GTP_cyclohydroI	e1n3tG1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
C [auth H]	GTP_cyclohydroI	e1n3tH1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
D [auth I]	GTP_cyclohydroI	e1n3tI1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
E [auth J]	GTP_cyclohydroI	e1n3tJ1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
F [auth K]	GTP_cyclohydroI	e1n3tK1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
J [auth O]	GTP_cyclohydroI	e1n3tO1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
L [auth B]	GTP_cyclohydroI	e1n3tB1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
N [auth D]	GTP_cyclohydroI	e1n3tD1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)
O [auth E]	GTP_cyclohydroI	e1n3tE1	A: a+b two layers	X: T-fold	H: Tetrahydrobiopterin biosynthesis enzymes-like (From Topology)	T: Tetrahydrobiopterin biosynthesis enzymes-like	F: GTP_cyclohydroI	ECOD (1.6)

Domain Annotation: CATH CATH Database Homepage

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
A [auth F]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
A [auth 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 [auth L]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
G [auth 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)
H [auth M]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
H [auth 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)
I [auth N]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
I [auth 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)
K [auth A]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
K [auth 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)
M [auth C]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
M [auth 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)
B [auth G]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
B [auth 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)
C [auth H]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
C [auth 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)
D [auth I]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
D [auth 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)
E [auth J]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
E [auth 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)
F [auth K]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
F [auth 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)
J [auth O]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
J [auth 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)
L [auth B]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
L [auth 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)
N [auth D]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
N [auth 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)
O [auth E]	1.10.286.10	Mainly Alpha	Orthogonal Bundle	GTP Cyclohydrolase I	Chain A, domain 1	CATH (4.3.0)
O [auth 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)

Protein Family Annotation Pfam Database Homepage

Chains	Accession	Name	Description	Comments	Source
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	PF01227	GTP cyclohydrolase I (GTP_cyclohydroI)	GTP cyclohydrolase I	This family includes GTP cyclohydrolase enzymes and a family of related bacterial proteins including Swiss:Q46920.	Domain

Gene Ontology: Gene Product Annotation Gene Ontology Database Homepage

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	GTP cyclohydrolase I	hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines GTP cyclohydrolase activity cyclohydrolase activity hydrolase activity GTP cyclohydrolase I activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in cyclic amidines GTP cyclohydrolase activity cyclohydrolase activity hydrolase activity GTP cyclohydrolase I activity catalytic activity hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding guanyl nucleotide binding GTP binding nucleotide binding guanyl ribonucleotide binding purine ribonucleotide binding purine ribonucleoside triphosphate binding nucleoside phosphate binding organic cyclic compound binding purine nucleotide binding anion binding heterocyclic compound binding carbohydrate derivative binding ribonucleotide binding identical protein binding protein binding	glycosyl compound metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process nucleoside biosynthetic process queuosine metabolic process nucleobase-containing compound metabolic process queuosine biosynthetic process organic substance metabolic process heterocycle metabolic process nucleobase-containing small molecule metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process glycosyl compound metabolic process cellular biosynthetic process organonitrogen compound biosynthetic process carbohydrate derivative metabolic process nucleoside biosynthetic process queuosine metabolic process nucleobase-containing compound metabolic process queuosine biosynthetic process organic substance metabolic process heterocycle metabolic process nucleobase-containing small molecule metabolic process organic substance biosynthetic process nitrogen compound metabolic process small molecule metabolic process carbohydrate derivative biosynthetic process organonitrogen compound metabolic process glycosyl compound biosynthetic process small molecule biosynthetic process cellular metabolic process cellular nitrogen compound metabolic process primary metabolic process ribonucleoside biosynthetic process nucleobase-containing compound biosynthetic process heterocycle biosynthetic process nucleoside metabolic process nucleobase-containing small molecule biosynthetic process organic cyclic compound metabolic process biosynthetic process aromatic compound biosynthetic process organic cyclic compound biosynthetic process metabolic process cellular process ribonucleoside metabolic process cellular aromatic compound metabolic process one-carbon metabolic process organic hydroxy compound metabolic process alcohol metabolic process diol biosynthetic process cellular nitrogen compound biosynthetic process diol metabolic process polyol biosynthetic process polyol metabolic process tetrahydrobiopterin biosynthetic process tetrahydrobiopterin metabolic process organic hydroxy compound biosynthetic process pteridine-containing compound biosynthetic process alcohol biosynthetic process pteridine-containing compound metabolic process folic acid-containing compound biosynthetic process cellular modified amino acid metabolic process cellular modified amino acid biosynthetic process folic acid-containing compound metabolic process tetrahydrofolate biosynthetic process tetrahydrofolate metabolic process	intracellular anatomical structure cytoplasm cellular anatomical entity cytosol protein-containing complex

InterPro: Protein Family Classification InterPro Database Homepage

Chains	Accession	Name	Type
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	IPR020602	GTP cyclohydrolase I domain	Domain
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	IPR043133	GTP cyclohydrolase I, C-terminal/NADPH-dependent 7-cyano-7-deazaguanine reductase	Homologous Superfamily
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	IPR043134	GTP cyclohydrolase I, N-terminal domain	Homologous Superfamily
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	IPR018234	GTP cyclohydrolase I, conserved site	Conserved Site
A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], A [auth F], B [auth G], C [auth H], D [auth I], E [auth J], F [auth K], G [auth L], H [auth M], I [auth N], J [auth O], K [auth A], L [auth B], M [auth C], N [auth D], O [auth E]	IPR001474	GTP cyclohydrolase I	Family