SAXSdb — 4zm5

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

Chain length determinant protein

Shigella flexneri

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	CHLORIDE ION × 1 MAGNESIUM ION × 1 water × 3	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	WZZB_SHIFL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–243； UniProt 54–293 Author chain B； PDBConstruct 4–243； UniProt 54–293 Author chain C； PDBConstruct 4–243； UniProt 54–293

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	4zm5
Deposition date deposition_date	2015-05-02
Structure title title	Shigella flexneri lipopolysaccharide O-antigen chain-length regulator WzzBSF - A107P mutant
Keywords keywords	lipopolysaccharide, chain-length, virulence, serospecificity, MEMBRANE PROTEIN; MEMBRANE 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.

4zm5__assembly_1__model_1

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

Download this curve (.dat)

4zm5__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4zm5__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.67 Å
Rg (electron density)	35.69 Å
Total Rg	35.96 Å
Atom count	5553
Residues	694
Excluded volume	98644 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4zm5__assembly_1__model_1`	trimeric （3）	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 (4)

Entity 1 Entity 1 polymer

Description description	Chain length determinant protein
Molecular weight formula_weight	27592.9 kDa
Mutation mutation	A107P
Source method src_method	man
Copy count entity_count	3

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	5699

SNAEKWTSTAIITQPDVGQIAGYNNAMNVIYGQAAPKVSDLQETLIGRFSSAFSALPETLDNQEEPEKLTIEPSVKNQQLPLTVSYVGQTAEGAQMKLAQYIQQVDDKVNQELEKDLKDNIALGRKNLQDSLRTQEVVAQEQKDLRIRQIQEALQYANQAQVTKPQVQQTEDVTQDTLFLLGSEALESMIKHEATRPLVFSPNYYQTRQNLLDIEKLKFDDLDIHAYRYVMKPTLPIRRDSPK

Source Source

Source organism organism	Shigella flexneri
NCBI taxonomy ID ncbi_taxonomy_id	623
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	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	1

Entity 4 Entity 4 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	141

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d4zm5a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.60 — Bacterial polysaccharide co-polymerase-like
Family Family family	d.58.60.1 — FepE-like

Domain ID domain_id	d4zm5b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.60 — Bacterial polysaccharide co-polymerase-like
Family Family family	d.58.60.1 — FepE-like

Domain ID domain_id	d4zm5c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.58 — Ferredoxin-like
Superfamily Superfamily superfamily	d.58.60 — Bacterial polysaccharide co-polymerase-like
Family Family family	d.58.60.1 — FepE-like

CATH v4.4 (3 domains)

Domain ID domain_id	4zm5A00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1890 — Bacterial polysaccharide co-polymerase-like
Homologous superfamily homologous superfamily	10 — FepE-like

Domain ID domain_id	4zm5B00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1890 — Bacterial polysaccharide co-polymerase-like
Homologous superfamily homologous superfamily	10 — FepE-like

Domain ID domain_id	4zm5C00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1890 — Bacterial polysaccharide co-polymerase-like
Homologous superfamily homologous superfamily	10 — FepE-like

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Unit-cell length a length_a	80.570 Å
Unit-cell length b length_b	62.460 Å
Unit-cell length c length_c	90.240 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	94.06 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	6

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	2.470 Å
Low-resolution limit resolution_low	32.140 Å
R factor r_factor	0.1975
R_work r_work	0.1951
R_free r_free	0.2420

Shigella flexneri lipopolysaccharide O-antigen chain-length regulator WzzBSF - A107P mutant

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

Chain length determinant protein

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

4zm5__assembly_1__model_1

4zm5__assembly_1__model_1 | I(q)

4zm5__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (5)

Shigella flexneri lipopolysaccharide O-antigen chain-length regulator WzzBSF - A107P mutant

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

Chain length determinant protein

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

4zm5__assembly_1__model_1

4zm5__assembly_1__model_1 | I(q)

4zm5__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 (4)

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 water

6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

CATH v4.4 (3 domains)

7. Citations (5)