SAXSdb — 2j5y

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

PEPTOSTREPTOCOCCAL ALBUMIN-BINDING PROTEIN

PEPTOSTREPTOCOCCUS MAGNUS

UniProt Q51911

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	PAB_PEPMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 9–61； UniProt 213–265 Author chain B； PDBConstruct 9–61； UniProt 213–265

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	2j5y
Deposition date deposition_date	2006-09-20
Structure title title	Crystal structure of the GA module from F.magna
Keywords keywords	PROTEIN BINDING, CELL WALL, PEPTIDOGLYCAN-ANCHOR, PROTEIN BINDING BACTERIAL ALBUMIN-BINDING THREE-HELIX BUNDLE; PROTEIN BINDING
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.

2j5y__assembly_1__model_1

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

Download this curve (.dat)

2j5y__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

2j5y__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	13.31 Å
Rg (electron density)	12.13 Å
Total Rg	13.45 Å
Atom count	480
Residues	61
Excluded volume	8639 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`2j5y__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`2j5y__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) 6 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d2j5ya2
Class class	a — All alpha proteins
Fold Fold fold	a.8 — immunoglobulin/albumin-binding domain-like
Superfamily Superfamily superfamily	a.8.1 — Bacterial immunoglobulin/albumin-binding domains
Family Family family	a.8.1.2 — GA module, an albumin-binding domain

Domain ID domain_id	d2j5ya3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

Domain ID domain_id	d2j5yb2
Class class	a — All alpha proteins
Fold Fold fold	a.8 — immunoglobulin/albumin-binding domain-like
Superfamily Superfamily superfamily	a.8.1 — Bacterial immunoglobulin/albumin-binding domains
Family Family family	a.8.1.2 — GA module, an albumin-binding domain

Domain ID domain_id	d2j5yb3
Class class	l — Artifacts
Fold Fold fold	l.1 — Tags
Superfamily Superfamily superfamily	l.1.1 — Tags
Family Family family	l.1.1.1 — Tags

CATH v4.4 (2 domains)

Domain ID domain_id	2j5yA00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	40 — Albumin-binding domain

Domain ID domain_id	2j5yB00
Class class	1 — Mainly Alpha
Architecture architecture	10 — Orthogonal Bundle
Topology topology	8 — Helicase, Ruva Protein; domain 3
Homologous superfamily homologous superfamily	40 — Albumin-binding domain

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Unit-cell length a length_a	25.784 Å
Unit-cell length b length_b	58.068 Å
Unit-cell length c length_c	40.570 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.03 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	4

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

Resolution resolution	1.400 Å
Low-resolution limit resolution_low	40.560 Å
R factor r_factor	0.1510
R_work r_work	0.1480
R_free r_free	0.1990

Description description	PEPTOSTREPTOCOCCAL ALBUMIN-BINDING PROTEIN
Molecular weight formula_weight	6819.9 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	1221

Crystal structure of the GA module from F.magna

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

PEPTOSTREPTOCOCCAL ALBUMIN-BINDING PROTEIN

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

2j5y__assembly_1__model_1

2j5y__assembly_1__model_1 | I(q)

2j5y__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 (4 domains)

CATH v4.4 (2 domains)

7. Citations (2)

Source organism organism	PEPTOSTREPTOCOCCUS MAGNUS
NCBI taxonomy ID ncbi_taxonomy_id	1260
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	183

Crystal structure of the GA module from F.magna

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

PEPTOSTREPTOCOCCAL ALBUMIN-BINDING PROTEIN

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

2j5y__assembly_1__model_1

2j5y__assembly_1__model_1 | I(q)

2j5y__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 (4 domains)

CATH v4.4 (2 domains)

7. Citations (2)