SAXSdb — 1pxw

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

LSU ribosomal protein L7AE

Pyrococcus abyssi

UniProt P62008

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	RL7A_PYRAB
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–128； UniProt 1–128 Author chain B； PDBConstruct 1–128； UniProt 1–128

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	1pxw
Deposition date deposition_date	2003-07-07
Structure title title	Crystal structure of L7Ae sRNP core protein from Pyrococcus abyssii
Keywords keywords	RIBOSOME; RIBOSOME
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.

1pxw__assembly_1__model_1

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

Download this curve (.dat)

1pxw__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1pxw__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	15.37 Å
Rg (electron density)	13.77 Å
Total Rg	15.26 Å
Atom count	984
Residues	128
Excluded volume	17866 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1pxw__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1pxw__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 (2)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_id	d1pxwa_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.3 — L30e-like
Family Family family	d.79.3.1 — L30e/L7ae ribosomal proteins

Domain ID domain_id	d1pxwb_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.79 — Bacillus chorismate mutase-like
Superfamily Superfamily superfamily	d.79.3 — L30e-like
Family Family family	d.79.3.1 — L30e/L7ae ribosomal proteins

CATH v4.4 (2 domains)

Domain ID domain_id	1pxwA00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily	30 — Ribosomal protein L30/S12

Domain ID domain_id	1pxwB00
Class class	3 — Alpha Beta
Architecture architecture	30 — 2-Layer Sandwich
Topology topology	1330 — 60s Ribosomal Protein L30; Chain: A;
Homologous superfamily homologous superfamily	30 — Ribosomal protein L30/S12

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Unit-cell length a length_a	67.190 Å
Unit-cell length b length_b	112.550 Å
Unit-cell length c length_c	34.510 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 2
Space-group number int_tables_number	18
Crystal system crystal_system	—

Resolution resolution	1.940 Å
Low-resolution limit resolution_low	15.000 Å
R factor r_factor	0.2290
R_work r_work	0.2270
R_free r_free	0.2780

Description description	LSU ribosomal protein L7AE
Molecular weight formula_weight	14077.4 kDa
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	2036

Crystal structure of L7Ae sRNP core protein from Pyrococcus abyssii

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

LSU ribosomal protein L7AE

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

1pxw__assembly_1__model_1

1pxw__assembly_1__model_1 | I(q)

1pxw__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)

Source organism organism	Pyrococcus abyssi
NCBI taxonomy ID ncbi_taxonomy_id	29292
Host organism host_organism	Escherichia coli

Description description	water
Molecular weight formula_weight	18.0 kDa
Source method src_method	nat
Copy count entity_count	133

Crystal structure of L7Ae sRNP core protein from Pyrococcus abyssii

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

LSU ribosomal protein L7AE

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

1pxw__assembly_1__model_1

1pxw__assembly_1__model_1 | I(q)

1pxw__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) 4 domains

SCOP 2.08 (2 domains)

CATH v4.4 (2 domains)

7. Citations (1)