SAXSdb — 1zpl

▼

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

F17a-G

Escherichia coli

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	methyl 2-acetamido-2-deoxy-beta-D-glucopyranoside × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	methyl 2-acetamido-2-deoxy-beta-D-glucopyranoside × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q99003_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–177； UniProt 23–199 Author chain B； PDBConstruct 1–177； UniProt 23–199

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.

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1zpl
Deposition date deposition_date	2005-05-17
Structure title title	E. coli F17a-G lectin domain complex with GlcNAc(beta1-O)Me
Keywords keywords	FIMBRIAE, LECTINS, BACTERIAL ADHESION, PROTEIN-SUGAR COMPLEX, CELL ADHESION; CELL ADHESION
Experimental Method method	X-RAY DIFFRACTION

▼

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.

1zpl__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1zpl__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1zpl__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	17.89 Å
Rg (electron density)	17.03 Å
Total Rg	17.94 Å
Atom count	1289
Residues	168
Excluded volume	22795 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1zpl__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1zpl__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download

▶

4. Crystallography and Experiment 4. Crystallography & Experiment

▶

5. Entities and Polymers Entities & Polymers (3)

Entity 1 Entity 1 polymer

Description description	F17a-G
Molecular weight formula_weight	19048.2 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	3071

AVSFIGSTENDVGPSLGSYSRTHAMDNLPFVYDTRNKIGYQNANVWHISKGFCVGLDGKVDLPVVGSLDGQSIYGLTEEVGLLIWMGDTKYSRGTAMSGNSWENVFSGWCVGANTASTQGLSVRVTPVILKRNSSARYSVQKTSIGSIRMRPYNGSSAGSVQTTVNFSLNPFTLNDT

Source Source

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	562
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	methyl 2-acetamido-2-deoxy-beta-D-glucopyranoside
Molecular weight formula_weight	235.2 kDa
Source method src_method	man
Copy count entity_count	2

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	493

▼

6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1zpla_
Class class	b — All beta proteins
Fold Fold fold	b.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamily	b.2.3 — Bacterial adhesins
Family Family family	b.2.3.5 — F17c-type adhesin

Domain ID domain_id	d1zplb_
Class class	b — All beta proteins
Fold Fold fold	b.2 — Common fold of diphtheria toxin/transcription factors/cytochrome f
Superfamily Superfamily superfamily	b.2.3 — Bacterial adhesins
Family Family family	b.2.3.5 — F17c-type adhesin

CATH v4.4 (2 domains)

Domain ID domain_id	1zplA00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1410 — Bacterial adhesins - F17c-type

Domain ID domain_id	1zplB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1410 — Bacterial adhesins - F17c-type

▶

Unit-cell length a length_a	42.805 Å
Unit-cell length b length_b	42.805 Å
Unit-cell length c length_c	288.244 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	120.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	P 31 2 1
Space-group number int_tables_number	152
Crystal system crystal_system	—

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2123
R_work r_work	0.2077
R_free r_free	0.2544

E. coli F17a-G lectin domain complex with GlcNAc(beta1-O)Me

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

F17a-G

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

1zpl__assembly_2__model_1

1zpl__assembly_2__model_1 | I(q)

1zpl__assembly_2__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

E. coli F17a-G lectin domain complex with GlcNAc(beta1-O)Me

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

F17a-G

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

1zpl__assembly_2__model_1

1zpl__assembly_2__model_1 | I(q)

1zpl__assembly_2__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)