1vz7

Ornithine Acetyltransferase (ORF6 Gene Product - Clavulanic Acid Biosynthesis) from Streptomyces clavuligerus

Method: X-RAY DIFFRACTION

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

ORNITHINE ACETYL-TRANSFERASE

STREPTOMYCES CLAVULIGERUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	SULFATE ION × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	GNA2_STRCL
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–393； UniProt 1–393 Author chain B； PDBConstruct 1–393； UniProt 1–393 Author chain C； PDBConstruct 1–393； UniProt 1–393 Author chain D； PDBConstruct 1–393； UniProt 1–393

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	1vz7
Deposition date deposition_date	2004-05-14
Structure title title	Ornithine Acetyltransferase (ORF6 Gene Product - Clavulanic Acid Biosynthesis) from Streptomyces clavuligerus
Keywords keywords	TRANSFERASE, ORNITHINE ACETYLTRANSFERASE, CLAVULANIC ACID, N-ACETYL- ORNITHINE, N-ACETYL-GLUTAMATE, ANTIBIOTIC; 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.

1vz7__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1vz7__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1vz7__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	28.27 Å
Rg (electron density)	27.68 Å
Total Rg	28.22 Å
Atom count	5240
Residues	733
Excluded volume	92557 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1vz7__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1vz7__assembly_2__model_1`	dimeric （2）	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) 12 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1vz7a_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.154 — DmpA/ArgJ-like
Superfamily Superfamily superfamily	d.154.1 — DmpA/ArgJ-like
Family Family family	d.154.1.2 — ArgJ-like

Domain ID domain_id	d1vz7b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.154 — DmpA/ArgJ-like
Superfamily Superfamily superfamily	d.154.1 — DmpA/ArgJ-like
Family Family family	d.154.1.2 — ArgJ-like

Domain ID domain_id	d1vz7c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.154 — DmpA/ArgJ-like
Superfamily Superfamily superfamily	d.154.1 — DmpA/ArgJ-like
Family Family family	d.154.1.2 — ArgJ-like

Domain ID domain_id	d1vz7d_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.154 — DmpA/ArgJ-like
Superfamily Superfamily superfamily	d.154.1 — DmpA/ArgJ-like
Family Family family	d.154.1.2 — ArgJ-like

CATH v4.4 (8 domains)

Domain ID domain_id	1vz7A01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	70 — L-amino peptidase D-ALA esterase/amidase
Homologous superfamily homologous superfamily	12 — L-amino peptidase D-ALA esterase/amidase

Domain ID domain_id	1vz7A02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	340 — ArgJ beta chain, C-terminal domain

Domain ID domain_id	1vz7B01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	70 — L-amino peptidase D-ALA esterase/amidase
Homologous superfamily homologous superfamily	12 — L-amino peptidase D-ALA esterase/amidase

Domain ID domain_id	1vz7B02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	340 — ArgJ beta chain, C-terminal domain

Domain ID domain_id	1vz7C01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	70 — L-amino peptidase D-ALA esterase/amidase
Homologous superfamily homologous superfamily	12 — L-amino peptidase D-ALA esterase/amidase

Domain ID domain_id	1vz7C02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	340 — ArgJ beta chain, C-terminal domain

Domain ID domain_id	1vz7D01
Class class	3 — Alpha Beta
Architecture architecture	60 — 4-Layer Sandwich
Topology topology	70 — L-amino peptidase D-ALA esterase/amidase
Homologous superfamily homologous superfamily	12 — L-amino peptidase D-ALA esterase/amidase

Domain ID domain_id	1vz7D02
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	340 — ArgJ beta chain, C-terminal domain

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Unit-cell length a length_a	60.989 Å
Unit-cell length b length_b	180.344 Å
Unit-cell length c length_c	73.030 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	89.88 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	P 1 21 1
Space-group number int_tables_number	4
Crystal system crystal_system	—

Resolution resolution	3.000 Å
Low-resolution limit resolution_low	67.690 Å
R factor r_factor	0.2230
R_work r_work	0.2230
R_free r_free	0.3130

Description description	ORNITHINE ACETYL-TRANSFERASE
Molecular weight formula_weight	41653.6 kDa
EC 编号 ec_number	2.3.1.35
Source method src_method	man
Copy count entity_count	4

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D
Atom count atom_count	10680

Ornithine Acetyltransferase (ORF6 Gene Product - Clavulanic Acid Biosynthesis) from Streptomyces clavuligerus

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

ORNITHINE ACETYL-TRANSFERASE

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

1vz7__assembly_2__model_1

1vz7__assembly_2__model_1 | I(q)

1vz7__assembly_2__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 non-polymer

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)

Source organism organism	STREPTOMYCES CLAVULIGERUS
NCBI taxonomy ID ncbi_taxonomy_id	1901
Host organism host_organism	ESCHERICHIA COLI

Description description	SULFATE ION
Molecular weight formula_weight	96.1 kDa
Source method src_method	syn
Copy count entity_count	4

Ornithine Acetyltransferase (ORF6 Gene Product - Clavulanic Acid Biosynthesis) from Streptomyces clavuligerus

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

ORNITHINE ACETYL-TRANSFERASE

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

1vz7__assembly_2__model_1

1vz7__assembly_2__model_1 | I(q)

1vz7__assembly_2__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 non-polymer

6. Fold Classification (SCOP + CATH) 12 domains

SCOP 2.08 (4 domains)

CATH v4.4 (8 domains)

7. Citations (1)