SAXSdb — 3gka

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

N-ethylmaleimide reductase

Burkholderia pseudomallei

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 water × 1	Consistent with protein count
2	Protein monomer	Monomer	Protein 1	FLAVIN MONONUCLEOTIDE × 1 water × 1	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q63LY5_BURPS
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 9–361； UniProt 1–353 Author chain B； PDBConstruct 9–361； UniProt 1–353

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	3gka
Deposition date deposition_date	2009-03-10
Structure title title	Crystal structure of N-ethylmaleimidine reductase from Burkholderia pseudomallei
Keywords keywords	;deCODE biostructures, SSGCID, NIAID, targetDB BupsA00093a, Structural Genomics, Seattle Structural Genomics Center for Infectious Disease, OXIDOREDUCTASE ;; OXIDOREDUCTASE
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.

3gka__assembly_1__model_1

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

Download this curve (.dat)

3gka__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3gka__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	19.99 Å
Rg (electron density)	18.76 Å
Total Rg	19.73 Å
Atom count	2647
Residues	350
Excluded volume	46565 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3gka__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3gka__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 (3)

Entity 1 Entity 1 polymer

Description description	N-ethylmaleimide reductase
Molecular weight formula_weight	38607.3 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	5735

MAHHHHHHMPSLFDPLTIGDLTLANRIIMAPLTRARAGDTRTPNALMARYYAERASAGLIISEATSVTPQGVGYASTPGIWSPEQVDGWRLVTDAVHAAGGRIFLQLWHVGRVSDPVFLDGALPVAPSAIAPGGHVSLVRPQRPYVTPRALELDEIPGVVAAFRRGAENARAAGFDGVEVHGANGYLLDQFLQDSANRRTDAYGGSIENRARLLLEVVDAAIDVWSAARVGVHLAPRGDAHTMGDSDPAATFGHVARELGRRRIAFLFARESFGGDAIGQQLKAAFGGPFIVNENFTLDSAQAALDAGQADAVAWGKLFIANPDLPRRFKLNAPLNEPNAATFYAQGEVGYTDYPALESAA

Source Source

Source organism organism	Burkholderia pseudomallei
Common name common_name	Pseudomonas pseudomallei
NCBI taxonomy ID ncbi_taxonomy_id	28450
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 non-polymer

Description description	FLAVIN MONONUCLEOTIDE
Molecular weight formula_weight	456.3 kDa
Source method src_method	syn
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	397

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6. Fold Classification (SCOP + CATH) 5 domains

SCOP 2.08 (3 domains)

Domain ID domain_id	d3gkaa_
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

Domain ID domain_id	d3gkab1
Class class	c — Alpha and beta proteins (a/b)
Fold Fold fold	c.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamily	c.1.4 — FMN-linked oxidoreductases
Family Family family	c.1.4.0 — automated matches

Domain ID domain_id	d3gkab2
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	3gkaA00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

Domain ID domain_id	3gkaB00
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	70 — Aldolase class I

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Unit-cell length a length_a	49.350 Å
Unit-cell length b length_b	77.890 Å
Unit-cell length c length_c	168.940 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	2.300 Å
Low-resolution limit resolution_low	50.000 Å
R factor r_factor	0.1800
R_work r_work	0.1760
R_free r_free	0.2390

Crystal structure of N-ethylmaleimidine reductase from Burkholderia pseudomallei

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

N-ethylmaleimide reductase

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

3gka__assembly_1__model_1

3gka__assembly_1__model_1 | I(q)

3gka__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 (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) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Crystal structure of N-ethylmaleimidine reductase from Burkholderia pseudomallei

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

N-ethylmaleimide reductase

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

3gka__assembly_1__model_1

3gka__assembly_1__model_1 | I(q)

3gka__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 (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) 5 domains

SCOP 2.08 (3 domains)

CATH v4.4 (2 domains)

7. Citations (1)