SAXSdb — 3jt0

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

Lamin-B1

Homo sapiens

UniProt P20700

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	LMNB1_HUMAN
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 12–144； UniProt 426–558 Author chain B； PDBConstruct 12–144； UniProt 426–558

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	3jt0
Deposition date deposition_date	2009-09-11
Structure title title	Crystal Structure of the C-terminal fragment (426-558) Lamin-B1 from Homo sapiens, Northeast Structural Genomics Consortium Target HR5546A
Keywords keywords	;Structural Genomics, PSI-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, NESG, HR5546A, LMNB1_HUMAN, Lamin-B1, Acetylation, Chromosomal rearrangement, Coiled coil, Intermediate filament, Leukodystrophy, Lipoprotein, Membrane, Nucleus, Phosphoprotein, Polymorphism, Prenylation, STRUCTURAL PROTEIN ;; STRUCTURAL PROTEIN
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.

3jt0__assembly_2__model_1

Assembly 2 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

3jt0__assembly_2__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

3jt0__assembly_2__model_1 | P(r) · Pending

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

Rg（Guinier）	14.57 Å
Rg (electron density)	13.17 Å
Total Rg	14.35 Å
Atom count	836
Residues	106
Excluded volume	14834 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`3jt0__assembly_1__model_1`	monomeric （1）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`3jt0__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	d3jt0a_
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.16 — Lamin A/C globular tail domain
Family Family family	b.1.16.0 — automated matches

Domain ID domain_id	d3jt0b_
Class class	b — All beta proteins
Fold Fold fold	b.1 — Immunoglobulin-like beta-sandwich
Superfamily Superfamily superfamily	b.1.16 — Lamin A/C globular tail domain
Family Family family	b.1.16.0 — automated matches

CATH v4.4 (2 domains)

Domain ID domain_id	3jt0A00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1260 — Lamin Tail domain

Domain ID domain_id	3jt0B00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	1260 — Lamin Tail domain

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Unit-cell length a length_a	39.437 Å
Unit-cell length b length_b	72.793 Å
Unit-cell length c length_c	81.402 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 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Resolution resolution	2.392 Å
Low-resolution limit resolution_low	28.322 Å
R factor r_factor	0.2383
R_work r_work	0.2379
R_free r_free	0.2450

Description description	Lamin-B1
Molecular weight formula_weight	16147.2 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	1686

Crystal Structure of the C-terminal fragment (426-558) Lamin-B1 from Homo sapiens, Northeast Structural Genomics Consortium Target HR5546A

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

Lamin-B1

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

3jt0__assembly_2__model_1

3jt0__assembly_2__model_1 | I(q)

3jt0__assembly_2__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	Homo sapiens
Common name common_name	human
NCBI taxonomy ID ncbi_taxonomy_id	9606
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	21

Crystal Structure of the C-terminal fragment (426-558) Lamin-B1 from Homo sapiens, Northeast Structural Genomics Consortium Target HR5546A

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

Lamin-B1

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

3jt0__assembly_2__model_1

3jt0__assembly_2__model_1 | I(q)

3jt0__assembly_2__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)