1xe3

Crystal Structure of purine nucleoside phosphorylase DeoD from Bacillus anthracis

Method: X-RAY DIFFRACTION

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

purine nucleoside phosphorylase

Bacillus anthracis

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 6	CHLORIDE ION × 6 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	DEOD_BACAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 11–245； UniProt 1–235 Author chain B； PDBConstruct 11–245； UniProt 1–235 Author chain C； PDBConstruct 11–245； UniProt 1–235 Author chain D； PDBConstruct 11–245； UniProt 1–235 Author chain E； PDBConstruct 11–245； UniProt 1–235 Author chain F； PDBConstruct 11–245； UniProt 1–235

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	1xe3
Deposition date deposition_date	2004-09-09
Structure title title	Crystal Structure of purine nucleoside phosphorylase DeoD from Bacillus anthracis
Keywords keywords	PURINE NUCLEOSIDE PHOSPHORYLASE, DeoD, SPINE, Structural Genomics, Structural Proteomics in Europe, 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.

1xe3__assembly_1__model_1

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

Download this curve (.dat)

1xe3__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1xe3__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	34.55 Å
Rg (electron density)	33.72 Å
Total Rg	34.24 Å
Atom count	10726
Residues	1402
Excluded volume	192220 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1xe3__assembly_1__model_1`	hexameric （6）	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 (3)

Entity 1 Entity 1 polymer

Description description	purine nucleoside phosphorylase
Molecular weight formula_weight	26891.7 kDa
EC 编号 ec_number	2.4.2.1
Source method src_method	man
Copy count entity_count	6

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F
Atom count atom_count	11450

MGSSHHHHHHMSVHIEAKQGEIAESILLPGDPLRAKYIAETFLEDVTCYNNVRGMLGFTGTYKGKRVSVQGTGMGVPSISIYVNELIQSYGVKNLIRVGTCGAIQKDVKVRDVIIAMTACTDSNMNRLTFPGFDFAPAANFDLLKKAYDAGTEKGLHVRVGNVLTADVFYRESMDMVKKLGDYGVLAVEMETTALYTLAAKYGVNALSVLTVSDHIFTGEETTSEERQTTFNEMIEIALDAAIQQ

Source Source

Source organism organism	Bacillus anthracis
NCBI taxonomy ID ncbi_taxonomy_id	1392
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	CHLORIDE ION
Molecular weight formula_weight	35.5 kDa
Source method src_method	syn
Copy count entity_count	6

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	716

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6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (9 domains)

Domain ID domain_id	d1xe3a1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

Domain ID domain_id	d1xe3a2
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

Domain ID domain_id	d1xe3b_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

Domain ID domain_id	d1xe3c1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

Domain ID domain_id	d1xe3c2
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

Domain ID domain_id	d1xe3d1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

Domain ID domain_id	d1xe3d2
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

Domain ID domain_id	d1xe3e_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

Domain ID domain_id	d1xe3f_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.56 — Phosphorylase/hydrolase-like
Superfamily Superfamily superfamily	c.56.2 — Purine and uridine phosphorylases
Family Family family	c.56.2.1 — Purine and uridine phosphorylases

CATH v4.4 (6 domains)

Domain ID domain_id	1xe3A00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

Domain ID domain_id	1xe3B00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

Domain ID domain_id	1xe3C00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

Domain ID domain_id	1xe3D00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

Domain ID domain_id	1xe3E00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

Domain ID domain_id	1xe3F00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	50 — Rossmann fold
Homologous superfamily homologous superfamily	1580 — Nucleoside phosphorylase domain

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Unit-cell length a length_a	63.861 Å
Unit-cell length b length_b	128.257 Å
Unit-cell length c length_c	223.565 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	24

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.240 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.1837
R_work r_work	0.1810
R_free r_free	0.2352

Crystal Structure of purine nucleoside phosphorylase DeoD from Bacillus anthracis

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

purine nucleoside phosphorylase

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

1xe3__assembly_1__model_1

1xe3__assembly_1__model_1 | I(q)

1xe3__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (9 domains)

CATH v4.4 (6 domains)

7. Citations (1)

Crystal Structure of purine nucleoside phosphorylase DeoD from Bacillus anthracis

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

purine nucleoside phosphorylase

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

1xe3__assembly_1__model_1

1xe3__assembly_1__model_1 | I(q)

1xe3__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 (3)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

Entity 2 Entity 2 non-polymer

Entity 3 Entity 3 water

6. Fold Classification (SCOP + CATH) 15 domains

SCOP 2.08 (9 domains)

CATH v4.4 (6 domains)

7. Citations (1)