SAXSdb — 3ujn

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

Phosphoribosylformylglycinamidine synthase

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	SULFATE ION × 2 ADENOSINE-5'-DIPHOSPHATE × 1 MAGNESIUM ION × 3 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PUR4_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 9–1303； UniProt 1–1295

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	3ujn
Deposition date deposition_date	2011-11-08
Structure title title	Formyl Glycinamide Ribonucleotide Amidotransferase from Salmonella Typhimurium : Role of the ATP complexation and glutaminase domain in catalytic coupling
Keywords keywords	Amidotransferase, Glutaminase, LIGASE; LIGASE
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.

3ujn__assembly_1__model_1

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

Download this curve (.dat)

3ujn__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3ujn__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.31 Å
Rg (electron density)	30.35 Å
Total Rg	31.05 Å
Atom count	9950
Residues	1285
Excluded volume	175330 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3ujn__assembly_1__model_1`	monomeric （1）	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 (5)

Entity 1 Entity 1 polymer

Description description	Phosphoribosylformylglycinamidine synthase
Molecular weight formula_weight	142566.4 kDa
EC 编号 ec_number	6.3.5.3
Source method src_method	nat
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	10205

GLVPRGSHMMEILRGSPALSAFRINKLLARFQAANLQVHNIYAEYVHFADLNAPLNDSEQAQLTRLLQYGPALSSHTPAGKLLLVTPRPGTISPWSSKATDIAHNCGLQQVDRLERGVAYYIEASTLTAEQWRQVAAELHDRMMETVFSSLTDAEKLFIHHQPAPVSSVDLLGEGRQALIDANLRLGLALAEDEIDYLQEAFTKLGRNPNDIELYMFAQANSEHCRHKIFNADWIIDGKPQPKSLFKMIKNTFETTPDYVLSAYKDNAAVMEGSAVGRYFADHNTGRYDFHQEPAHILMKVETHNHPTAISPWPGAATGSGGEIRDEGATGRGAKPKAGLVGFSVSNLRIPGFEQPWEEDFGKPERIVTALDIMTEGPLGGAAFNNEFGRPALTGYFRTYEEKVNSHNGEELRGYHKPIMLAGGIGNIRADHVQKGEIVVGAKLIVLGGPAMNIGLGGGAASSMASGQSDADLDFASVQRDNPEMERRCQEVIDRCWQLGDANPILFIHDVGAGGLSNAMPELVSDGGRGGKFELRDILSDEPGMSPLEIWCNESQERYVLAVAADQLPLFDELCKRERAPYAVIGDATEEQHLSLHDNHFDNQPIDLPLDVLLGKTPKMTRDVQTLKAKGDALNRADITIADAVKRVLHLPTVAEKTFLVTIGDRTVTGMVARDQMVGPWQVPVADCAVTTASLDSYYGEAMSIGERAPVALLDFAASARLAVGEALTNIAATQIGDIKRIKLSANWMAAAGHPGEDAGLYDAVKAVGEELCPQLGLTIPVGKDSMSMKTRWQEGNEQREMTSPLSLVISAFARVEDVRHTLTPQLSTEDNALLLIDLGKGHNALGATALAQVYRQLGDKPADVRDVAQLKGFYDAMQALVAARKLLAWHDRSDGGLLVTLAEMAFAGHCGVQVDIAALGDDHLAALFNEELGGVIQVRAEDRDAVEALLAQYGLADCVHYLGQALAGDRFVITANDQTVFSESRTTLRVWWAETTWQMQRLRDNPQCADQEHEAKANDTDPGLNVKLSFDINEDIAAPYIATGARPKVAVLREQGVNSHVEMAAAFHRAGFDAIDVHMSDLLGGRIGLGNFHALVACGGFSYGDVLGAGEGWAKSILFNHRVRDEFETFFHRPQTLALGVCNGCQMMSNLRELIPGSELWPRFVRNHSDRFEARFSLVEVTQSPSLLLQGMVGSQMPIAVSHGEGRVEVRDDAHLAALESKGLVALRYVDNFGKVTETYPANPNGSPNGITAVTTENGRVTIMMPHPERVFRTVANSWHPENWGEDSPWMRIFRNARKQLG

Entity 2 Entity 2 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 3 Entity 3 non-polymer

Description description	ADENOSINE-5'-DIPHOSPHATE
Molecular weight formula_weight	427.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 4 Entity 4 non-polymer

Description description	MAGNESIUM ION
Molecular weight formula_weight	24.3 kDa
Source method src_method	syn
Copy count entity_count	3

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	255

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6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d3ujna1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.284 — PurS-like
Superfamily Superfamily superfamily	d.284.1 — PurS-like
Family Family family	d.284.1.2 — FGAM synthase PurL, PurS-like domain

Domain ID domain_id	d3ujna2
Class class	a — All alpha proteins
Fold Fold fold	a.5 — RuvA C-terminal domain-like
Superfamily Superfamily superfamily	a.5.10 — FGAM synthase PurL, linker domain
Family Family family	a.5.10.1 — FGAM synthase PurL, linker domain

Domain ID domain_id	d3ujna3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.4 — PurM N-terminal domain-like
Family Family family	d.79.4.1 — PurM N-terminal domain-like

Domain ID domain_id	d3ujna4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.139 — PurM C-terminal domain-like
Superfamily Superfamily superfamily	d.139.1 — PurM C-terminal domain-like
Family Family family	d.139.1.1 — PurM C-terminal domain-like

Domain ID domain_id	d3ujna5
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.4 — PurM N-terminal domain-like
Family Family family	d.79.4.1 — PurM N-terminal domain-like

Domain ID domain_id	d3ujna6
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.139 — PurM C-terminal domain-like
Superfamily Superfamily superfamily	d.139.1 — PurM C-terminal domain-like
Family Family family	d.139.1.1 — PurM C-terminal domain-like

Domain ID domain_id	d3ujna7
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.23 — Flavodoxin-like
Superfamily Superfamily superfamily	c.23.16 — Class I glutamine amidotransferase-like
Family Family family	c.23.16.1 — Class I glutamine amidotransferases (GAT)

Domain ID domain_id	d3ujna8
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	3ujnA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	750 — Phosphoribosylformylglycinamidine synthase, linker domain

Domain ID domain_id	3ujnA04
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	880 — Class I glutamine amidotransferase (GATase) domain

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Unit-cell length a length_a	146.958 Å
Unit-cell length b length_b	146.958 Å
Unit-cell length c length_c	141.200 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 65
Space-group number int_tables_number	170
Crystal system crystal_system	—

Resolution resolution	2.980 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	—
R_work r_work	0.2083
R_free r_free	0.2643

Formyl Glycinamide Ribonucleotide Amidotransferase from Salmonella Typhimurium : Role of the ATP complexation and glutaminase domain in catalytic coupling

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

Phosphoribosylformylglycinamidine synthase

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

3ujn__assembly_1__model_1

3ujn__assembly_1__model_1 | I(q)

3ujn__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (8 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Formyl Glycinamide Ribonucleotide Amidotransferase from Salmonella Typhimurium : Role of the ATP complexation and glutaminase domain in catalytic coupling

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

Phosphoribosylformylglycinamidine synthase

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

3ujn__assembly_1__model_1

3ujn__assembly_1__model_1 | I(q)

3ujn__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (5)

Entity 1 Entity 1 polymer

Polymer Polymer

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 non-polymer

Entity 4 Entity 4 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 10 domains

SCOP 2.08 (8 domains)

CATH v4.4 (2 domains)

7. Citations (1)