SAXSdb — 3ctd

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

Putative ATPase, AAA family

Prochlorococcus marinus subsp. pastoris str. CCMP1986

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	Q7V3J8_PROMP
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 4–205； UniProt 228–429 Author chain B； PDBConstruct 4–205； UniProt 228–429

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	3ctd
Deposition date deposition_date	2008-04-11
Structure title title	Crystal structure of a putative AAA family ATPase from Prochlorococcus marinus subsp. pastoris
Keywords keywords	;STRUCTURAL GENOMICS, UNKNOWN FUNCTION, PSI-2, Protein Structure Initiative, New York SGX Research Center for Structural Genomics, NYSGXRC, ATP-binding, Nucleotide-binding ;; STRUCTURAL GENOMICS, UNKNOWN FUNCTION
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.

3ctd__assembly_1__model_1

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

Download this curve (.dat)

3ctd__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3ctd__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.71 Å
Rg (electron density)	25.66 Å
Total Rg	26.46 Å
Atom count	4754
Residues	616
Excluded volume	84350 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3ctd__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)

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6. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d3ctda1
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.2 — MgsA/YrvN C-terminal domain-like

Domain ID domain_id	d3ctdb_
Class class	a — All alpha proteins
Fold Fold fold	a.80 — post-AAA+ oligomerization domain-like
Superfamily Superfamily superfamily	a.80.1 — post-AAA+ oligomerization domain-like
Family Family family	a.80.1.2 — MgsA/YrvN C-terminal domain-like

CATH v4.4 (4 domains)

Domain ID domain_id	3ctdA01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	3ctdA02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3710 — post-AAA+ oligomerization domain-like
Homologous superfamily homologous superfamily	10 — DNA polymerase III clamp loader subunits, C-terminal domain

Domain ID domain_id	3ctdB01
Class class	1 — Mainly Alpha
Architecture architecture	20 — Up-down Bundle
Topology topology	272 — Zinc Finger, Delta Prime; domain 3
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	3ctdB02
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	3710 — post-AAA+ oligomerization domain-like
Homologous superfamily homologous superfamily	10 — DNA polymerase III clamp loader subunits, C-terminal domain

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Unit-cell length a length_a	108.184 Å
Unit-cell length b length_b	108.184 Å
Unit-cell length c length_c	68.685 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 41 21 2
Space-group number int_tables_number	92
Crystal system crystal_system	—

Resolution resolution	2.500 Å
Low-resolution limit resolution_low	20.000 Å
R factor r_factor	0.2140
R_work r_work	0.2110
R_free r_free	0.2750

Description description	Putative ATPase, AAA family
Molecular weight formula_weight	24161.3 kDa
Mutation mutation	L360M
Source method src_method	man
Copy count entity_count	2

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B
Atom count atom_count	2435

Crystal structure of a putative AAA family ATPase from Prochlorococcus marinus subsp. pastoris

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

Putative ATPase, AAA family

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

3ctd__assembly_1__model_1

3ctd__assembly_1__model_1 | I(q)

3ctd__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)

Source organism organism	Prochlorococcus marinus subsp. pastoris str. CCMP1986
NCBI taxonomy ID ncbi_taxonomy_id	59919
Host organism host_organism	Escherichia coli BL21(DE3)

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	58

Crystal structure of a putative AAA family ATPase from Prochlorococcus marinus subsp. pastoris

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

Putative ATPase, AAA family

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

3ctd__assembly_1__model_1

3ctd__assembly_1__model_1 | I(q)

3ctd__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) 6 domains

SCOP 2.08 (2 domains)

CATH v4.4 (4 domains)

7. Citations (1)