SAXSdb — 1j2z

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

Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase

Helicobacter pylori

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 3	octyl 1-thio-beta-D-glucopyranoside × 3 SULFATE ION × 6 L(+)-TARTARIC ACID × 3 water × 3	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 6	octyl 1-thio-beta-D-glucopyranoside × 6 SULFATE ION × 12 L(+)-TARTARIC ACID × 6 water × 6	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LPXA_HELPY
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–270； UniProt 1–270

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	1j2z
Deposition date deposition_date	2003-01-15
Structure title title	Crystal structure of UDP-N-acetylglucosamine acyltransferase
Keywords keywords	UDP-N-acetylglucosamine acyltransferase, LpxA, left-handed beta-helix structure, 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.

1j2z__assembly_1__model_1

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

Download this curve (.dat)

1j2z__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1j2z__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.40 Å
Rg (electron density)	27.46 Å
Total Rg	28.20 Å
Atom count	6123
Residues	777
Excluded volume	109990 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1j2z__assembly_1__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1j2z__assembly_2__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 (5)

Entity 1 Entity 1 polymer

Description description	Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase
Molecular weight formula_weight	29896.5 kDa
EC 编号 ec_number	2.3.1.129
Source method src_method	man
Copy count entity_count	1

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	2189

MSKIAKTAIISPKAEINKGVEIGEFCVIGDGVKLDEGVKLHNNVTLQGHTFVGKNTEIFPFAVLGTQPQDLKYKGEYSELIIGEDNLIREFCMINPGTEGGIKKTLIGDKNLLMAYVHVAHDCVIGSHCILANGVTLAGHIEIGDYVNIGGLTAIHQFVRIAKGCMIAGKSALGKDVPPYCTVEGNRAFIRGLNRHRMRQLLESKDIDFIYALYKRLFRPIPSLRESAKLELEEHANNPFVKEICSFILESSRGVAYKSSEYSSEEKQEE

Source Source

Source organism organism	Helicobacter pylori
NCBI taxonomy ID ncbi_taxonomy_id	210
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	octyl 1-thio-beta-D-glucopyranoside
Molecular weight formula_weight	308.4 kDa
Source method src_method	man
Copy count entity_count	1

Entity 3 Entity 3 non-polymer

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	2

Entity 4 Entity 4 non-polymer

Description description	L(+)-TARTARIC ACID
Molecular weight formula_weight	150.1 kDa
Source method src_method	syn
Copy count entity_count	1

Entity 5 Entity 5 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	148

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6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1j2za_
Class class	b — All beta proteins
Fold Fold fold	b.81 — Single-stranded left-handed beta-helix
Superfamily Superfamily superfamily	b.81.1 — Trimeric LpxA-like enzymes
Family Family family	b.81.1.1 — UDP N-acetylglucosamine acyltransferase

CATH v4.4 (2 domains)

Domain ID domain_id	1j2zA01
Class class	2 — Mainly Beta
Architecture architecture	160 — 3 Solenoid
Topology topology	10 — UDP N-Acetylglucosamine Acyltransferase; domain 1
Homologous superfamily homologous superfamily	10 — Hexapeptide repeat proteins

Domain ID domain_id	1j2zA02
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	1180 — Udp N-acetylglucosamine O-acyltransferase; Domain 2
Homologous superfamily homologous superfamily	10 — Udp N-acetylglucosamine O-acyltransferase, C-terminal domain

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Unit-cell length a length_a	90.686 Å
Unit-cell length b length_b	90.686 Å
Unit-cell length c length_c	148.203 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 63 2 2
Space-group number int_tables_number	182
Crystal system crystal_system	—

Resolution resolution	2.100 Å
Low-resolution limit resolution_low	19.930 Å
R factor r_factor	0.2220
R_work r_work	0.2220
R_free r_free	0.2640

Crystal structure of UDP-N-acetylglucosamine acyltransferase

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

Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase

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

1j2z__assembly_1__model_1

1j2z__assembly_1__model_1 | I(q)

1j2z__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of UDP-N-acetylglucosamine acyltransferase

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

Acyl-[acyl-carrier-protein]--UDP-N-acetylglucosamine O-acyltransferase

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

1j2z__assembly_1__model_1

1j2z__assembly_1__model_1 | I(q)

1j2z__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 (5)

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 non-polymer

Entity 5 Entity 5 water

6. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (1 domains)

CATH v4.4 (2 domains)

7. Citations (1)