SAXSdb — 1y1l

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

arsenate reductase (arsC)

Archaeoglobus fulgidus

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	CADMIUM ION × 8	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	O28910_ARCFU
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–124； UniProt 2–125 Author chain B； PDBConstruct 1–124； UniProt 2–125 Author chain C； PDBConstruct 1–124； UniProt 2–125 Author chain D； PDBConstruct 1–124； UniProt 2–125

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	1y1l
Deposition date deposition_date	2004-11-18
Structure title title	Crystal structure of arsenate reductase from Archaeoglobus fulgidus DSM 4304, structural genomics
Keywords keywords	;ARSENATE REDUCTASE, DETOXIFICATION, CADMIUM, OXIDIZED FORM, Structural Genomics, PSI, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, TRANSFERASE ;; 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.

1y1l__assembly_1__model_1

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

Download this curve (.dat)

1y1l__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1y1l__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	25.63 Å
Rg (electron density)	24.80 Å
Total Rg	25.46 Å
Atom count	3920
Residues	496
Excluded volume	70241 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1y1l__assembly_1__model_1`	tetrameric （4）	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 (2)

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6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1y1la_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamily	c.44.1 — Phosphotyrosine protein phosphatases I
Family Family family	c.44.1.1 — Low-molecular-weight phosphotyrosine protein phosphatases

Domain ID domain_id	d1y1lb_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamily	c.44.1 — Phosphotyrosine protein phosphatases I
Family Family family	c.44.1.1 — Low-molecular-weight phosphotyrosine protein phosphatases

Domain ID domain_id	d1y1lc_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamily	c.44.1 — Phosphotyrosine protein phosphatases I
Family Family family	c.44.1.1 — Low-molecular-weight phosphotyrosine protein phosphatases

Domain ID domain_id	d1y1ld_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamily	c.44.1 — Phosphotyrosine protein phosphatases I
Family Family family	c.44.1.1 — Low-molecular-weight phosphotyrosine protein phosphatases

CATH v4.4 (4 domains)

Domain ID domain_id	1y1lA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	1y1lB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	1y1lC00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

Domain ID domain_id	1y1lD00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	2300 — Response regulator

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Unit-cell length a length_a	48.390 Å
Unit-cell length b length_b	48.510 Å
Unit-cell length c length_c	66.370 Å
Unit-cell angle α angle_alpha	100.00 °
Unit-cell angle β angle_beta	90.70 °
Unit-cell angle γ angle_gamma	100.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	2.800 Å
Low-resolution limit resolution_low	10.000 Å
R factor r_factor	0.2520
R_work r_work	0.2520
R_free r_free	0.2970

Description description	arsenate reductase (arsC)
Molecular weight formula_weight	13976.1 kDa
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	3920

Crystal structure of arsenate reductase from Archaeoglobus fulgidus DSM 4304, structural genomics

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

arsenate reductase (arsC)

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

1y1l__assembly_1__model_1

1y1l__assembly_1__model_1 | I(q)

1y1l__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Archaeoglobus fulgidus
NCBI taxonomy ID ncbi_taxonomy_id	224325
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	CADMIUM ION
Molecular weight formula_weight	112.4 kDa
Source method src_method	syn
Copy count entity_count	8

Crystal structure of arsenate reductase from Archaeoglobus fulgidus DSM 4304, structural genomics

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

arsenate reductase (arsC)

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

1y1l__assembly_1__model_1

1y1l__assembly_1__model_1 | I(q)

1y1l__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 (2)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

6. Fold Classification (SCOP + CATH) 8 domains

SCOP 2.08 (4 domains)

CATH v4.4 (4 domains)

7. Citations (1)