1IQ8 | pdb_00001iq8

Chains	Domain Info	Class	Fold	Superfamily	Family	Domain	Species	Provenance Source (Version)
B	d1iq8b3	All beta proteins	PUA domain-like	PUA domain-like	PUA domain	Archaeosine tRNA-guanine transglycosylase, C3 domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d1iq8b1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	tRNA-guanine transglycosylase	tRNA-guanine transglycosylase	Archaeosine tRNA-guanine transglycosylase, N-terminal domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
B	d1iq8b4	Alpha and beta proteins (a+b)	Cystatin-like	Pre-PUA domain	Archaeosine tRNA-guanine transglycosylase, C2 domain	Archaeosine tRNA-guanine transglycosylase, C2 domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1iq8a3	All beta proteins	PUA domain-like	PUA domain-like	PUA domain	Archaeosine tRNA-guanine transglycosylase, C3 domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1iq8a1	Alpha and beta proteins (a/b)	TIM beta/alpha-barrel	tRNA-guanine transglycosylase	tRNA-guanine transglycosylase	Archaeosine tRNA-guanine transglycosylase, N-terminal domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)
A	d1iq8a4	Alpha and beta proteins (a+b)	Cystatin-like	Pre-PUA domain	Archaeosine tRNA-guanine transglycosylase, C2 domain	Archaeosine tRNA-guanine transglycosylase, C2 domain	(Pyrococcus horikoshii ) [TaxId: 53953 ],	SCOPe (2.08)

Chains	Type	Family Name	Domain Identifier	Family Identifier	Provenance Source (Version)
B	SCOP2B Superfamily	PUA domain-like	8044404	3001015	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	tRNA-guanine transglycosylase	8039623	3000635	SCOP2B (2022-06-29)
B	SCOP2B Superfamily	Pre-PUA domain	8044405	3001126	SCOP2B (2022-06-29)
A	SCOP2 Family	tRNA-guanine transglycosylase	8027244	4003338	SCOP2 (2022-06-29)
A	SCOP2 Family	PUA domain	8032026	4003536	SCOP2 (2022-06-29)
A	SCOP2 Family	Archaeosine tRNA-guanine transglycosylase, C2 domain	8032027	4003619	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	tRNA-guanine transglycosylase	8039623	3000635	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	PUA domain-like	8044404	3001015	SCOP2 (2022-06-29)
A	SCOP2 Superfamily	Pre-PUA domain	8044405	3001126	SCOP2 (2022-06-29)

Chains	Family Name	Domain Identifier	Architecture	Possible Homology	Homology	Topology	Family	Provenance Source (Version)
B	Peptidase_S46, Trypsin_2	e1iq8B1	A: a/b three-layered sandwiches	X: Phage tail fiber protein trimerization domain	H: LigT-related	T: LigT-related	F: Peptidase_S46, Trypsin_2	ECOD (v294.1)
B	Glyco_hydro_18	e1iq8B2	A: a/b three-layered sandwiches	X: ETN0001 domain-like	H: ETN0001 domain-like	T: Mss4-like	F: Glyco_hydro_18	ECOD (v294.1)
B	DUF711	e1iq8B3	A: a/b three-layered sandwiches	X: HTH	H: HTH	T: winged helix domain	F: DUF711	ECOD (v294.1)
A	PUA	e1iq8A1	A: beta barrels	X: cradle loop barrel	H: RIFT-related	T: PUA domain	F: PUA	ECOD (v294.1)
A	TGT_C1,TGT_C2	e1iq8A2	A: a+b two layers	X: Cystatin-like	H: Pre-PUA domain	T: Pre-PUA domain	F: TGT_C1,TGT_C2	ECOD (v294.1)
A	TGT	e1iq8A3	A: a/b barrels	X: TIM beta/alpha-barrel	H: TIM barrels	T: TIM barrels	F: TGT	ECOD (v294.1)

Chain	Domain	Class	Architecture	Topology	Homology	Provenance Source (Version)
B	3.20.20.105	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Queuine tRNA-ribosyltransferase-like	CATH (4.3.0)
B	3.90.1020.10	Alpha Beta	Alpha-Beta Complex	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 2	CATH (4.3.0)
B	3.10.450.90	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
B	2.30.130.10	Mainly Beta	Roll	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 4	CATH (4.3.0)
A	3.20.20.105	Alpha Beta	Alpha-Beta Barrel	TIM Barrel	Queuine tRNA-ribosyltransferase-like	CATH (4.3.0)
A	3.90.1020.10	Alpha Beta	Alpha-Beta Complex	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 2	CATH (4.3.0)
A	3.10.450.90	Alpha Beta	Roll	Nuclear Transport Factor 2	Chain: A,	CATH (4.3.0)
A	2.30.130.10	Mainly Beta	Roll	Archaeosine Trna-guanine Transglycosylase	Chain: A, domain 4	CATH (4.3.0)

Chains	Polymer	Molecular Function	Biological Process	Cellular Component
A, B	ARCHAEOSINE TRNA-GUANINE TRANSGLYCOSYLASE	cation binding transition metal ion binding zinc ion binding ion binding binding metal ion binding small molecule binding RNA binding nucleic acid binding pentosyltransferase activity glycosyltransferase activity transferase activity catalytic activity	tRNA modification RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA wobble guanine modification tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process RNA modification biosynthetic process tRNA processing tRNA modification RNA metabolic process primary metabolic process gene expression nucleobase-containing compound biosynthetic process macromolecule biosynthetic process nucleic acid metabolic process tRNA wobble guanine modification tRNA metabolic process nucleobase-containing compound metabolic process RNA biosynthetic process nucleic acid biosynthetic process RNA modification biosynthetic process tRNA processing macromolecule modification tRNA wobble base modification metabolic process cellular process macromolecule metabolic process RNA processing	cellular anatomical structure intracellular anatomical structure cytoplasm

Chains	Accession	Name	Type
A, B	IPR015947	PUA-like superfamily	Homologous Superfamily
A, B	IPR050076	Archaeosine Synthase Type 1/Queuine TRNA-Ribosyltransferase	Family
A, B	IPR004521	Uncharacterised domain CHP00451	Domain
A, B	IPR038370	ArcTGT, C1 domain superfamily	Homologous Superfamily
A, B	IPR036974	PUA domain superfamily	Homologous Superfamily
A, B	IPR029402	tRNA-guanine transglycosylase, patch-forming domain C2	Domain
A, B	IPR004804	tRNA-guanine(15) transglycosylase	Family
A, B	IPR038250	TGT, patch-forming C2 domain superfamily	Homologous Superfamily
A, B	IPR036511	Queuine tRNA-ribosyltransferase-like	Homologous Superfamily
A, B	IPR002616	tRNA-guanine(15) transglycosylase-like	Domain
A, B	IPR002478	PUA domain	Domain
A, B	IPR032729	tRNA-guanine(15) transglycosylase, C1 domain	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. RCSB PDB uses resources of the National Energy Research Scientific Computing Center (NERSC), a Department of Energy User Facility.