3spb

Unliganded E. Cloacae MurA

Method: X-RAY DIFFRACTION

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

UDP-N-acetylglucosamine 1-carboxyvinyltransferase

Enterobacter cloacae

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 4	water × 4	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	MURA_ENTCC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–419； UniProt 1–419 Author chain B； PDBConstruct 1–419； UniProt 1–419 Author chain C； PDBConstruct 1–419； UniProt 1–419 Author chain D； PDBConstruct 1–419； UniProt 1–419

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	3spb
Deposition date deposition_date	2011-07-01
Structure title title	Unliganded E. Cloacae MurA
Keywords keywords	MURA, OPEN ENZYME STATE, CELL WALL, BIOGENESIS/DEGRADATION, PEPTIDOGLYCAN 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.

3spb__assembly_1__model_1

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

Download this curve (.dat)

3spb__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3spb__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	35.92 Å
Rg (electron density)	34.69 Å
Total Rg	35.27 Å
Atom count	12568
Residues	1672
Excluded volume	224930 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3spb__assembly_1__model_1`	tetrameric （4）	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)

Entity 1 Entity 1 polymer

Description description	UDP-N-acetylglucosamine 1-carboxyvinyltransferase
Molecular weight formula_weight	44829.4 kDa
EC 编号 ec_number	2.5.1.7
Mutation mutation	N67D
Source method src_method	man
Copy count entity_count	4

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	13229

MDKFRVQGPTRLQGEVTISGAKNAALPILFAALLAEEPVEIQNVPKLKDIDTTMKLLTQLGTKVERDGSVWIDASNVNNFSAPYDLVKTMRASIWALGPLVARFGQGQVSLPGGCAIGARPVDLHIFGLEKLGAEIKLEEGYVKASVNGRLKGAHIVMDKVSVGATVTIMSAATLAEGTTIIENAAREPEIVDTANFLVALGAKISGQGTDRITIEGVERLGGGVYRVLPDRIETGTFLVAAAISGGKIVCRNAQPDTLDAVLAKLREAGADIETGEDWISLDMHGKRPKAVTVRTAPHPAFPTDMQAQFTLLNLVAEGTGVITETIFENRFMHVPELIRMGAHAEIESNTVICHGVEKLSGAQVMATDLRASASLVLAGCIAEGTTVVDRIYHIDRGYERIEDKLRALGANIERVKGE

Source Source

Source organism organism	Enterobacter cloacae
NCBI taxonomy ID ncbi_taxonomy_id	716541
Host organism host_organism	Escherichia coli

Entity 2 Entity 2 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	661

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6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d3spba_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.68 — IF3-like
Superfamily Superfamily superfamily	d.68.2 — EPT/RTPC-like
Family Family family	d.68.2.2 — Enolpyruvate transferase, EPT

Domain ID domain_id	d3spbb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.68 — IF3-like
Superfamily Superfamily superfamily	d.68.2 — EPT/RTPC-like
Family Family family	d.68.2.2 — Enolpyruvate transferase, EPT

Domain ID domain_id	d3spbc_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.68 — IF3-like
Superfamily Superfamily superfamily	d.68.2 — EPT/RTPC-like
Family Family family	d.68.2.2 — Enolpyruvate transferase, EPT

Domain ID domain_id	d3spbd_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.68 — IF3-like
Superfamily Superfamily superfamily	d.68.2 — EPT/RTPC-like
Family Family family	d.68.2.2 — Enolpyruvate transferase, EPT

CATH v4.4 (8 domains)

Domain ID domain_id	3spbA01
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbA02
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbB01
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbB02
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbC01
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbC02
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbD01
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

Domain ID domain_id	3spbD02
Class class	3 — Alpha Beta
Architecture architecture	65 — Alpha-beta prism
Topology topology	10 — UDP-n-acetylglucosamine1-carboxyvinyl-transferase; Chain
Homologous superfamily homologous superfamily	10 — Enolpyruvate transferase domain

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Unit-cell length a length_a	81.140 Å
Unit-cell length b length_b	101.220 Å
Unit-cell length c length_c	213.830 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	16

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	19.920 Å
R factor r_factor	0.2000
R_work r_work	0.2000
R_free r_free	0.2500

Unliganded E. Cloacae MurA

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

UDP-N-acetylglucosamine 1-carboxyvinyltransferase

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

3spb__assembly_1__model_1

3spb__assembly_1__model_1 | I(q)

3spb__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) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Unliganded E. Cloacae MurA

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

UDP-N-acetylglucosamine 1-carboxyvinyltransferase

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

3spb__assembly_1__model_1

3spb__assembly_1__model_1 | I(q)

3spb__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) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)