SAXSdb — 3r1m

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

Putative uncharacterized protein ST0318

Sulfolobus tokodaii

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 8	1,3-DIHYDROXYACETONEPHOSPHATE × 8 MAGNESIUM ION × 24 (4S)-2-METHYL-2,4-PENTANEDIOL × 8 water × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q975V5_SULTO
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–385； UniProt 1–385

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	3r1m
Deposition date deposition_date	2011-03-10
Structure title title	Structure of bifunctional fructose 1,6-bisphosphate aldolase/phosphatase (aldolase form)
Keywords keywords	Sulfolobus fructose-1, 6-bisphosphatase-like fold, Hydrolase/aldolase, Mg binding, METAL BINDING PROTEIN; METAL BINDING PROTEIN
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.

3r1m__assembly_1__model_1

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

Download this curve (.dat)

3r1m__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3r1m__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	39.96 Å
Rg (electron density)	38.92 Å
Total Rg	39.55 Å
Atom count	22320
Residues	2848
Excluded volume	399440 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3r1m__assembly_1__model_1`	octameric （8）	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	Putative uncharacterized protein ST0318
Molecular weight formula_weight	42760.0 kDa
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	3075

MMKTTISVIKADIGSLAGHHIVHPDTMAAANKVLASAKEQGIILDYYITHVGDDLQLIMTHTRGELDTKVHETAWNAFKEAAKVAKDLGLYAAGQDLLSDSFSGNVRGLGPGVAEMEIEERASEPIAIFMADKTEPGAYNLPLYKMFADPFNTPGLVIDPTMHGGFKFEVLDVYQGEAVMLSAPQEIYDLLALIGTPARYVIRRVYRNEDNLLAAVVSIERLNLIAGKYVGKDDPVMIVRLQHGLPALGEALEAFAFPHLVPGWMRGSHYGPLMPVSQRDAKATRFDGPPRLLGLGFNVKNGRLVGPTDLFDDPAFDETRRLANIVADYMRRHGPFMPHRLEPTEMEYTTLPLILEKLKDRFKKESDVYKAKESIYAKEESQGHD

Source Source

Source organism organism	Sulfolobus tokodaii
NCBI taxonomy ID ncbi_taxonomy_id	273063
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	1,3-DIHYDROXYACETONEPHOSPHATE
Molecular weight formula_weight	170.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

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

Entity 4 Entity 4 non-polymer

Description description	(4S)-2-METHYL-2,4-PENTANEDIOL
Molecular weight formula_weight	118.2 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	264

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d3r1ma_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.280 — Sulfolobus fructose-1,6-bisphosphatase-like
Superfamily Superfamily superfamily	d.280.1 — Sulfolobus fructose-1,6-bisphosphatase-like
Family Family family	d.280.1.1 — Sulfolobus fructose-1,6-bisphosphatase-like

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Unit-cell length a length_a	112.543 Å
Unit-cell length b length_b	112.543 Å
Unit-cell length c length_c	153.608 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	16

Space group space_group	I 4 2 2
Space-group number int_tables_number	97
Crystal system crystal_system	—

Resolution resolution	1.500 Å
Low-resolution limit resolution_low	26.220 Å
R factor r_factor	0.1971
R_work r_work	0.1961
R_free r_free	0.2146

Structure of bifunctional fructose 1,6-bisphosphate aldolase/phosphatase (aldolase form)

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

Putative uncharacterized protein ST0318

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

3r1m__assembly_1__model_1

3r1m__assembly_1__model_1 | I(q)

3r1m__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

7. Citations (1)

Structure of bifunctional fructose 1,6-bisphosphate aldolase/phosphatase (aldolase form)

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

Putative uncharacterized protein ST0318

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

3r1m__assembly_1__model_1

3r1m__assembly_1__model_1 | I(q)

3r1m__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

7. Citations (1)