2qcz

Structure of N-terminal domain of E. Coli YaeT

Method: X-RAY DIFFRACTION

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

Outer membrane protein assembly factor yaeT

Escherichia coli K12

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	YAET_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 5–335； UniProt 21–351 Author chain B； PDBConstruct 5–335； UniProt 21–351

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	2qcz
Deposition date deposition_date	2007-06-20
Structure title title	Structure of N-terminal domain of E. Coli YaeT
Keywords keywords	POTRA domain, MEMBRANE PROTEIN, PROTEIN TRANSPORT; MEMBRANE PROTEIN, PROTEIN TRANSPORT
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.

2qcz__assembly_1__model_1

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

Download this curve (.dat)

2qcz__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2qcz__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	27.49 Å
Rg (electron density)	26.64 Å
Total Rg	27.37 Å
Atom count	2417
Residues	310
Excluded volume	42927 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2qcz__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2qcz__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 (1)

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6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

Domain ID domain_id	d2qcza1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qcza2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qcza3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qcza4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qczb1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qczb2
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qczb3
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

Domain ID domain_id	d2qczb4
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.391 — POlypeptide TRansport Associated (PORTRA) domain-like
Superfamily Superfamily superfamily	d.391.1 — POlypeptide TRansport Associated (PORTRA) domain-like
Family Family family	d.391.1.1 — POlypeptide TRansport Associated (PORTRA) domain

CATH v4.4 (8 domains)

Domain ID domain_id	2qczA01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczA02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczA03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczA04
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczB01
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczB02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczB03
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

Domain ID domain_id	2qczB04
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	310 — membrane protein fhac

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Unit-cell length a length_a	70.721 Å
Unit-cell length b length_b	94.048 Å
Unit-cell length c length_c	109.176 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	8

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

Resolution resolution	2.700 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	—
R_work r_work	0.2630
R_free r_free	0.3290

Description description	Outer membrane protein assembly factor yaeT
Molecular weight formula_weight	37455.2 kDa
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	4834

Structure of N-terminal domain of E. Coli YaeT

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

Outer membrane protein assembly factor yaeT

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

2qcz__assembly_1__model_1

2qcz__assembly_1__model_1 | I(q)

2qcz__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	Escherichia coli K12
NCBI taxonomy ID ncbi_taxonomy_id	83333
Host organism host_organism	Escherichia coli BL21(DE3)

Structure of N-terminal domain of E. Coli YaeT

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

Outer membrane protein assembly factor yaeT

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

2qcz__assembly_1__model_1

2qcz__assembly_1__model_1 | I(q)

2qcz__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

Refinement Refinement

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 16 domains

SCOP 2.08 (8 domains)

CATH v4.4 (8 domains)

7. Citations (1)