SAXSdb — 1zyp

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

Alkyl hydroperoxide reductase subunit F

Salmonella typhimurium

UniProt P19480

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	AHPF_SALTY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–202； UniProt 1–202 Author chain B； PDBConstruct 1–202； UniProt 1–202

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	1zyp
Deposition date deposition_date	2005-06-10
Structure title title	Synchrotron reduced form of the N-terminal domain of Salmonella typhimurium AhpF
Keywords keywords	;thioredoxin, disulfide, peroxiredoxin, thiolate, alkyl hydroperoxide reductase, synchrotron radiation, pKa, radiation damage, OXIDOREDUCTASE ;; OXIDOREDUCTASE
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.

1zyp__assembly_1__model_1

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

Download this curve (.dat)

1zyp__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1zyp__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	17.29 Å
Rg (electron density)	15.89 Å
Total Rg	17.04 Å
Atom count	1520
Residues	196
Excluded volume	27171 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1zyp__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1zyp__assembly_2__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 (2)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1zypa1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.2 — PDI-like

Domain ID domain_id	d1zypa2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.2 — PDI-like

Domain ID domain_id	d1zypb1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.2 — PDI-like

Domain ID domain_id	d1zypb2
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.47 — Thioredoxin fold
Superfamily Superfamily superfamily	c.47.1 — Thioredoxin-like
Family Family family	c.47.1.2 — PDI-like

CATH v4.4 (2 domains)

Domain ID domain_id	1zypA00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	80 —

Domain ID domain_id	1zypB00
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	30 — Glutaredoxin
Homologous superfamily homologous superfamily	80 —

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Unit-cell length a length_a	107.943 Å
Unit-cell length b length_b	107.943 Å
Unit-cell length c length_c	85.269 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	P 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.400 Å
Low-resolution limit resolution_low	48.270 Å
R factor r_factor	—
R_work r_work	0.2054
R_free r_free	0.2609

Description description	Alkyl hydroperoxide reductase subunit F
Molecular weight formula_weight	22317.4 kDa
EC 编号 ec_number	1.6.4.-
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3182

Synchrotron reduced form of the N-terminal domain of Salmonella typhimurium AhpF

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

Alkyl hydroperoxide reductase subunit F

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

1zyp__assembly_1__model_1

1zyp__assembly_1__model_1 | I(q)

1zyp__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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Salmonella typhimurium
NCBI taxonomy ID ncbi_taxonomy_id	602
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	142

Synchrotron reduced form of the N-terminal domain of Salmonella typhimurium AhpF

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

Alkyl hydroperoxide reductase subunit F

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

1zyp__assembly_1__model_1

1zyp__assembly_1__model_1 | I(q)

1zyp__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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (4 domains)

CATH v4.4 (2 domains)

7. Citations (1)