SAXSdb — 5lpq

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1. Protein Identity and Related Structures Protein Identity & Related Structures

Queuine tRNA-ribosyltransferase

Zymomonas mobilis subsp. mobilis (strain ATCC 31821 / ZM4 / CP4)

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	ZINC ION × 2 ;4-[2-[(3~{a}~{R},4~{R},6~{R},6~{a}~{R})-4-methoxy-2,2-dimethyl-3~{a},4,6,6~{a}-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]ethyl]-6-azanyl-2-(methylamino)-1,7-dihydroimidazo[4,5-g]quinazolin-8-one ; × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	TGT_ZYMMO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–386； UniProt 1–386 Author chain B； PDBConstruct 1–386； UniProt 1–386

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id	5lpq
Deposition date deposition_date	2016-08-14
Structure title title	tRNA guanine Transglycosylase (TGT) in co-crystallized complex (space group P21) with 6-amino-4-(2-((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)ethyl)-2-(methylamino)-1H-imidazo[4,5-g]quinazolin-8(7H)-one
Keywords keywords	Carbohydrate-based Inhibitors, homodimer, shigellosis, TRANSFERASE, TRANSFERASE INHIBITOR; TRANSFERASE
Experimental Method method	X-RAY DIFFRACTION

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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

5lpq__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

5lpq__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

5lpq__assembly_1__model_1 | P(r) · Pending

P(r) will be calculated and displayed separately for the same assembly/model.

Rg（Guinier）	29.34 Å
Rg (electron density)	28.41 Å
Total Rg	29.01 Å
Atom count	5505
Residues	729
Excluded volume	96769 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`5lpq__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download

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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Description description	Queuine tRNA-ribosyltransferase
Molecular weight formula_weight	42925.7 kDa
EC 编号 ec_number	2.4.2.29
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	5610

MVEATAQETDRPRFSFSIAAREGKARTGTIEMKRGVIRTPAFMPVGTAATVKALKPETVRATGADIILGNTYHLMLRPGAERIAKLGGLHSFMGWDRPILTDSGGYQVMSLSSLTKQSEEGVTFKSHLDGSRHMLSPERSIEIQHLLGSDIVMAFDECTPYPATPSRAASSMERSMRWAKRSRDAFDSRKEQAENAALFGIQQGSVFENLRQQSADALAEIGFDGYAVGGLAVGEGQDEMFRVLDFSVPMLPDDKPHYLMGVGKPDDIVGAVERGIDMFDCVLPTRSGRNGQAFTWDGPINIRNARFSEDLKPLDSECHCAVCQKWSRAYIHHLIRAGEILGAMLMTEHNIAFYQQLMQKIRDSISEGRFSQFAQDFRARYFARNS

Source Source

Source organism organism	Zymomonas mobilis subsp. mobilis (strain ATCC 31821 / ZM4 / CP4)
NCBI taxonomy ID ncbi_taxonomy_id	264203
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	ZINC ION
Molecular weight formula_weight	65.4 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	;4-[2-[(3~{a}~{R},4~{R},6~{R},6~{a}~{R})-4-methoxy-2,2-dimethyl-3~{a},4,6,6~{a}-tetrahydrofuro[3,4-d][1,3]dioxol-6-yl]ethyl]-6-azanyl-2-(methylamino)-1,7-dihydroimidazo[4,5-g]quinazolin-8-one ;
Molecular weight formula_weight	430.5 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	105

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d5lpqa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.20 — tRNA-guanine transglycosylase
Family Family family	c.1.20.1 — tRNA-guanine transglycosylase

Domain ID domain_id	d5lpqb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.20 — tRNA-guanine transglycosylase
Family Family family	c.1.20.1 — tRNA-guanine transglycosylase

CATH v4.4 (2 domains)

Domain ID domain_id	5lpqA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	105 — Queuine tRNA-ribosyltransferase-like

Domain ID domain_id	5lpqB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	105 — Queuine tRNA-ribosyltransferase-like

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Unit-cell length a length_a	68.900 Å
Unit-cell length b length_b	78.851 Å
Unit-cell length c length_c	84.943 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	109.72 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.520 Å
Low-resolution limit resolution_low	43.670 Å
R factor r_factor	0.2289
R_work r_work	0.2271
R_free r_free	0.2624

tRNA guanine Transglycosylase (TGT) in co-crystallized complex (space group P21) with 6-amino-4-(2-((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)ethyl)-2-(methylamino)-1H-imidazo[4,5-g]quinazolin-8(7H)-one

1. Protein Identity and Related Structures Protein Identity & Related Structures

Queuine tRNA-ribosyltransferase

State in the Current Structure

Other States of the Same Protein in the Database

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5lpq__assembly_1__model_1

5lpq__assembly_1__model_1 | I(q)

5lpq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

tRNA guanine Transglycosylase (TGT) in co-crystallized complex (space group P21) with 6-amino-4-(2-((3aR,4R,6R,6aR)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)ethyl)-2-(methylamino)-1H-imidazo[4,5-g]quinazolin-8(7H)-one

1. Protein Identity and Related Structures Protein Identity & Related Structures

Queuine tRNA-ribosyltransferase

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

2. Structure Basics 2. Structure Basics

3. Official assembly/model SAXS Official SAXS Profiles

5lpq__assembly_1__model_1

5lpq__assembly_1__model_1 | I(q)

5lpq__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

Diffraction experiment Diffraction

5. Entities and Polymers Entities & Polymers (4)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 water

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)