2nv9

The X-ray Crystal Structure of the Paramecium bursaria Chlorella virus arginine decarboxylase

Method: X-RAY DIFFRACTION

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

A207R protein, arginine decarboxylase

Paramecium bursaria Chlorella virus 1

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein homooligomer	Homooligomer	Protein 2	PYRIDOXAL-5'-PHOSPHATE × 2 water × 2	Consistent with protein count
2	Protein homooligomer	Homooligomer	Protein 2	PYRIDOXAL-5'-PHOSPHATE × 2 water × 2	Consistent with protein count
3	Protein homooligomer	Homooligomer	Protein 2	PYRIDOXAL-5'-PHOSPHATE × 2 water × 2	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 2	PYRIDOXAL-5'-PHOSPHATE × 2 water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q84527_PBCV1
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–372； UniProt 1–372 Author chain B； PDBConstruct 1–372； UniProt 1–372 Author chain C； PDBConstruct 1–372； UniProt 1–372 Author chain D； PDBConstruct 1–372； UniProt 1–372 Author chain E； PDBConstruct 1–372； UniProt 1–372 Author chain F； PDBConstruct 1–372； UniProt 1–372 Author chain G； PDBConstruct 1–372； UniProt 1–372 Author chain H； PDBConstruct 1–372； UniProt 1–372

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	2nv9
Deposition date deposition_date	2006-11-11
Structure title title	The X-ray Crystal Structure of the Paramecium bursaria Chlorella virus arginine decarboxylase
Keywords keywords	Arginine decarboxylase, PLP, TIM barrel, Eukaryotic-like ODC, LYASE; LYASE
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.

2nv9__assembly_1__model_1

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

Download this curve (.dat)

2nv9__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2nv9__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	28.75 Å
Rg (electron density)	27.99 Å
Total Rg	28.75 Å
Atom count	5937
Residues	743
Excluded volume	105290 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2nv9__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2nv9__assembly_2__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`2nv9__assembly_3__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`2nv9__assembly_4__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 (3)

Entity 1 Entity 1 polymer

Description description	A207R protein, arginine decarboxylase
Molecular weight formula_weight	41983.1 kDa
EC 编号 ec_number	4.1.1.19
Mutation mutation	T142A
Source method src_method	man
Copy count entity_count	8

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C,D,E,F,G,H
Atom count atom_count	24712

MNSVVNNILKAHPHQTKSFYVSSPKIVEDLIDQWTILFPRVTPHYAVKCNNDEVLLKTMCDKNVNFDCASSSEIKKVIQIGVSPSRIIFAHTMKTIDDLIFAKDQGVDIATFDSSFELDKIHTYHPNCKMILRIRCDDPNAAVQLGNKFGANEDEIRHLLEYAKQLDIEVIGISFHVGSGSRNPEAYYRAIKSSKEAFNEAISVGHKPYILDIGGGLHADIDEGELSTYMSDYINDAIKDFFPEDTVTIVAEPGRFFAEHYSVLATQVIGKRVRDGLYEYFFNESTYGGFSNVIFEKSVPTPQLLRDVPDDEEYVPSVLYGCTCDGVDVINHNVALPELHIGDWVYFPSWGAYTNVLTTSFNGFGEYDVYYI

Source Source

Source organism organism	Paramecium bursaria Chlorella virus 1
NCBI taxonomy ID ncbi_taxonomy_id	10506
Host organism host_organism	Escherichia coli BL21(DE3)

Entity 2 Entity 2 non-polymer

Description description	PYRIDOXAL-5'-PHOSPHATE
Molecular weight formula_weight	247.1 kDa
Source method src_method	syn
Copy count entity_count	8

Entity 3 Entity 3 water

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	1171

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6. Fold Classification (SCOP + CATH) 16 domains

CATH v4.4 (16 domains)

Domain ID domain_id	2nv9A01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9A02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9B01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9B02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9C01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9C02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9D01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9D02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9E01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9E02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9F01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9F02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9G01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9G02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

Domain ID domain_id	2nv9H01
Class class	2 — Mainly Beta
Architecture architecture	40 — Beta Barrel
Topology topology	37 — Lyase, Ornithine Decarboxylase; Chain A, domain 1
Homologous superfamily homologous superfamily	10 — Lyase, Ornithine Decarboxylase; Chain A, domain 1

Domain ID domain_id	2nv9H02
Class class	3 — Alpha Beta
Architecture architecture	20 — Alpha-Beta Barrel
Topology topology	20 — TIM Barrel
Homologous superfamily homologous superfamily	10 — Alanine racemase

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Unit-cell length a length_a	116.108 Å
Unit-cell length b length_b	116.874 Å
Unit-cell length c length_c	269.450 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	32

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	1.950 Å
Low-resolution limit resolution_low	48.910 Å
R factor r_factor	0.2110
R_work r_work	0.2110
R_free r_free	0.2420

The X-ray Crystal Structure of the Paramecium bursaria Chlorella virus arginine decarboxylase

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

A207R protein, arginine decarboxylase

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

2nv9__assembly_1__model_1

2nv9__assembly_1__model_1 | I(q)

2nv9__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) 16 domains

CATH v4.4 (16 domains)

7. Citations (1)

The X-ray Crystal Structure of the Paramecium bursaria Chlorella virus arginine decarboxylase

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

A207R protein, arginine decarboxylase

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

2nv9__assembly_1__model_1

2nv9__assembly_1__model_1 | I(q)

2nv9__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) 16 domains

CATH v4.4 (16 domains)

7. Citations (1)