SAXSdb — 3eh0

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

UDP-3-O-[3-hydroxymyristoyl] glucosamine N-acyltransferase

Escherichia coli

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	LPXD_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–341； UniProt 1–341 Author chain B； PDBConstruct 1–341； UniProt 1–341 Author chain C； PDBConstruct 1–341； UniProt 1–341

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	3eh0
Deposition date deposition_date	2008-09-11
Structure title title	Crystal Structure of LpxD from Escherichia coli
Keywords keywords	;LpxD, acyltransferase, left-handed parallel beta helix, acyl carrier protein, Antibiotic resistance, Lipid A biosynthesis, Lipid synthesis, 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.

3eh0__assembly_1__model_1

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

Download this curve (.dat)

3eh0__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3eh0__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	31.92 Å
Rg (electron density)	31.04 Å
Total Rg	31.60 Å
Atom count	7545
Residues	1023
Excluded volume	134560 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3eh0__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 (2)

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6. Fold Classification (SCOP + CATH) 9 domains

CATH v4.4 (9 domains)

Domain ID domain_id	3eh0A01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1390 — Udp-n-acetylmuramoylalanyl-d-glutamate--2,6- Diaminopimelate Ligase; Chain: A, domain 1
Homologous superfamily homologous superfamily	10 — MurE/MurF, N-terminal domain

Domain ID domain_id	3eh0A02
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	3eh0A03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	170 —

Domain ID domain_id	3eh0B01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1390 — Udp-n-acetylmuramoylalanyl-d-glutamate--2,6- Diaminopimelate Ligase; Chain: A, domain 1
Homologous superfamily homologous superfamily	10 — MurE/MurF, N-terminal domain

Domain ID domain_id	3eh0B02
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	3eh0B03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	170 —

Domain ID domain_id	3eh0C01
Class class	3 — Alpha Beta
Architecture architecture	40 — 3-Layer(aba) Sandwich
Topology topology	1390 — Udp-n-acetylmuramoylalanyl-d-glutamate--2,6- Diaminopimelate Ligase; Chain: A, domain 1
Homologous superfamily homologous superfamily	10 — MurE/MurF, N-terminal domain

Domain ID domain_id	3eh0C02
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	3eh0C03
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	5 — Single alpha-helices involved in coiled-coils or other helix-helix interfaces
Homologous superfamily homologous superfamily	170 —

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Unit-cell length a length_a	157.950 Å
Unit-cell length b length_b	94.170 Å
Unit-cell length c length_c	103.660 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	126.50 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	12

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	2.600 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2169
R_work r_work	0.2137
R_free r_free	0.2791

Description description	UDP-3-O-[3-hydroxymyristoyl] glucosamine N-acyltransferase
Molecular weight formula_weight	36045.3 kDa
EC 编号 ec_number	2.3.1.-
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	7918

Crystal Structure of LpxD from Escherichia coli

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

UDP-3-O-[3-hydroxymyristoyl] glucosamine N-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

3eh0__assembly_1__model_1

3eh0__assembly_1__model_1 | I(q)

3eh0__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) 9 domains

CATH v4.4 (9 domains)

7. Citations (1)

Source organism organism	Escherichia coli
NCBI taxonomy ID ncbi_taxonomy_id	83333
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	365

Crystal Structure of LpxD from Escherichia coli

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

UDP-3-O-[3-hydroxymyristoyl] glucosamine N-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

3eh0__assembly_1__model_1

3eh0__assembly_1__model_1 | I(q)

3eh0__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) 9 domains

CATH v4.4 (9 domains)

7. Citations (1)