SAXSdb — 1hz6

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

PROTEIN L

Finegoldia magna

UniProt Q51912

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
3	Protein monomer	Monomer	Protein 1	water × 1	Consistent with protein count
4	Protein homooligomer	Homooligomer	Protein 3	water × 3	Consistent with protein count
5	Protein homooligomer	Homooligomer	Protein 2	water × 2	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q51912_PEPMA
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 10–72； UniProt 111–173 Author chain B； PDBConstruct 10–72； UniProt 111–173 Author chain C； PDBConstruct 10–72； UniProt 111–173

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	1hz6
Deposition date deposition_date	2001-01-23
Structure title title	CRYSTAL STRUCTURES OF THE B1 DOMAIN OF PROTEIN L FROM PEPTOSTREPTOCOCCUS MAGNUS WITH A TYROSINE TO TRYPTOPHAN SUBSTITUTION
Keywords keywords	Four stranded beta-sheet with central alpha helix, binds kappa light chain of immunoglobulins, PROTEIN BINDING; 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.

1hz6__assembly_3__model_1

Assembly 3 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1hz6__assembly_3__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1hz6__assembly_3__model_1 | P(r) · Pending

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

Rg（Guinier）	12.81 Å
Rg (electron density)	11.44 Å
Total Rg	12.91 Å
Atom count	487
Residues	63
Excluded volume	8625 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1hz6__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`1hz6__assembly_2__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
3	1	`1hz6__assembly_3__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
4	1	`1hz6__assembly_4__model_1`	trimeric （3）	Success	4.1.3-1-20251215 (887e7ef)	View Download
5	1	`1hz6__assembly_5__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) 7 domains

SCOP 2.08 (4 domains)

Domain ID domain_id	d1hz6a1
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamily	d.15.7 — Immunoglobulin-binding domains
Family Family family	d.15.7.1 — Immunoglobulin-binding domains

Domain ID domain_id	d1hz6a2
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	d1hz6b_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamily	d.15.7 — Immunoglobulin-binding domains
Family Family family	d.15.7.1 — Immunoglobulin-binding domains

Domain ID domain_id	d1hz6c_
Class class	d — Alpha and beta proteins (a+b)
Fold Fold fold	d.15 — beta-Grasp (ubiquitin-like)
Superfamily Superfamily superfamily	d.15.7 — Immunoglobulin-binding domains
Family Family family	d.15.7.1 — Immunoglobulin-binding domains

CATH v4.4 (3 domains)

Domain ID domain_id	1hz6A00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1hz6B00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	10 —

Domain ID domain_id	1hz6C00
Class class	3 — Alpha Beta
Architecture architecture	10 — Roll
Topology topology	20 — Ubiquitin-like (UB roll)
Homologous superfamily homologous superfamily	10 —

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Unit-cell length a length_a	51.611 Å
Unit-cell length b length_b	54.020 Å
Unit-cell length c length_c	95.069 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	12

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

Resolution resolution	1.700 Å
Low-resolution limit resolution_low	25.000 Å
R factor r_factor	0.1930
R_work r_work	0.1930
R_free r_free	0.2180

Description description	PROTEIN L
Molecular weight formula_weight	8052.9 kDa
Mutation mutation	Y47W
Source method src_method	man
Copy count entity_count	3

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,B,C
Atom count atom_count	1787

CRYSTAL STRUCTURES OF THE B1 DOMAIN OF PROTEIN L FROM PEPTOSTREPTOCOCCUS MAGNUS WITH A TYROSINE TO TRYPTOPHAN SUBSTITUTION

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

PROTEIN L

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

1hz6__assembly_3__model_1

1hz6__assembly_3__model_1 | I(q)

1hz6__assembly_3__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) 7 domains

SCOP 2.08 (4 domains)

CATH v4.4 (3 domains)

7. Citations (1)

Source organism organism	Finegoldia magna
NCBI taxonomy ID ncbi_taxonomy_id	334413
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	299

CRYSTAL STRUCTURES OF THE B1 DOMAIN OF PROTEIN L FROM PEPTOSTREPTOCOCCUS MAGNUS WITH A TYROSINE TO TRYPTOPHAN SUBSTITUTION

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

PROTEIN L

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

1hz6__assembly_3__model_1

1hz6__assembly_3__model_1 | I(q)

1hz6__assembly_3__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) 7 domains

SCOP 2.08 (4 domains)

CATH v4.4 (3 domains)

7. Citations (1)