SAXSdb — 4v2c

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

FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2

MUS MUSCULUS

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	PROTEIN UNC5D × 1 （F1LW30）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	PROTEIN UNC5D × 1 （F1LW30）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	Q8BLU0_MOUSE
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–328； UniProt 35–362 Author chain C； PDBConstruct 1–328； UniProt 35–362

PROTEIN UNC5D

RATTUS NORVEGICUS

UniProt F1LW30

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein heterocomplex	Heteromer	Protein 2	FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2 × 1 （Q8BLU0）	Consistent with protein count
2	Protein heterocomplex	Heteromer	Protein 2	FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2 × 1 （Q8BLU0）	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	F1LW30_RAT
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–161； UniProt 1–161 Author chain D； PDBConstruct 1–161； UniProt 1–161

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	4v2c
Deposition date deposition_date	2014-10-08
Structure title title	mouse FLRT2 LRR domain in complex with rat Unc5D Ig1 domain
Keywords keywords	APOPTOSIS, UNC5, UNCOORDINATED-5, LEUCINE-RICH REPEAT; APOPTOSIS
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.

4v2c__assembly_1__model_1

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

Download this curve (.dat)

4v2c__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

4v2c__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	26.06 Å
Rg (electron density)	25.10 Å
Total Rg	26.09 Å
Atom count	3427
Residues	429
Excluded volume	60879 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`4v2c__assembly_1__model_1`	dimeric （2）	Success	4.1.3-1-20251215 (887e7ef)	View Download
2	1	`4v2c__assembly_2__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)

Entity 1 Entity 1 polymer

Description description	FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2
Molecular weight formula_weight	37037.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	A,C
Atom count atom_count	6854

ACPSVCRCDRNFVYCNERSLTSVPLGIPEGVTVLYLHNNQINNAGFPAELHNVQSVHTVYLYGNQLDEFPMNLPKNVRVLHLQENNIQTISRAALAQLLKLEELHLDDNSISTVGVEDGAFREAISLKLLFLSKNHLSSVPVGLPVDLQELRVDENRIAVISDMAFQNLTSLERLIVDGNLLTNKGIAEGTFSHLTKLKEFSIVRNSLSHPPPDLPGTHLIRLYLQDNQINHIPLTAFANLRKLERLDISNNQLRMLTQGVFDHLSNLKQLTARNNPWFCDCSIKWVTEWLKYIPSSLNVRGFMCQGPEQVRGMAVRELNMNLLSCPT

Source Source

Source organism organism	MUS MUSCULUS
Common name common_name	HOUSE MOUSE
NCBI taxonomy ID ncbi_taxonomy_id	10090
Host organism host_organism	HOMO SAPIENS

Entity 2 Entity 2 polymer

Description description	PROTEIN UNC5D
Molecular weight formula_weight	18128.4 kDa
Source method src_method	man
Copy count entity_count	2

Polymer Polymer

Polymer type type	polypeptide(L)
Chain IDs strand_id	B,D

MGTGAADRSRGARWWLPWLGLCFWAAGAEAARGADSGEVLPDSIPSAPGTLPHFIEEPEDAYIIKSNPIALRCKARPAMQIFFKCNGEWVHQNEHVSEESLDESSGLKVREVFINVTRQQVEDFHGPEDYWCQCVAWSHLGTSKSRKASVRIAYLRKNFEQ

Source Source

Source organism organism	RATTUS NORVEGICUS
Common name common_name	NORWAY RAT
NCBI taxonomy ID ncbi_taxonomy_id	10116
Host organism host_organism	HOMO SAPIENS

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6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

Domain ID domain_id	4v2cA00
Class class	3 — Alpha Beta
Architecture architecture	80 — Alpha-Beta Horseshoe
Topology topology	10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily	10 — Ribonuclease Inhibitor

Domain ID domain_id	4v2cB00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

Domain ID domain_id	4v2cC00
Class class	3 — Alpha Beta
Architecture architecture	80 — Alpha-Beta Horseshoe
Topology topology	10 — Leucine-rich repeat, LRR (right-handed beta-alpha superhelix)
Homologous superfamily homologous superfamily	10 — Ribonuclease Inhibitor

Domain ID domain_id	4v2cD00
Class class	2 — Mainly Beta
Architecture architecture	60 — Sandwich
Topology topology	40 — Immunoglobulin-like
Homologous superfamily homologous superfamily	10 — Immunoglobulins

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Unit-cell length a length_a	180.140 Å
Unit-cell length b length_b	150.910 Å
Unit-cell length c length_c	67.220 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	102.79 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	8

Space group space_group	C 1 2 1
Space-group number int_tables_number	5
Crystal system crystal_system	—

Resolution resolution	4.000 Å
Low-resolution limit resolution_low	87.840 Å
R factor r_factor	0.3191
R_work r_work	0.3183
R_free r_free	0.3349

mouse FLRT2 LRR domain in complex with rat Unc5D Ig1 domain

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

FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2

State in the Current Structure

Other States of the Same Protein in the Database

PROTEIN UNC5D

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

4v2c__assembly_1__model_1

4v2c__assembly_1__model_1 | I(q)

4v2c__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 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)

mouse FLRT2 LRR domain in complex with rat Unc5D Ig1 domain

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

FIBRONECTIN LEUCINE RICH TRANSMEMBRANE PROTEIN 2

State in the Current Structure

Other States of the Same Protein in the Database

Monomer

Homodimer

Homotetramer

Other homooligomers

Heteromeric or nucleic-acid complex

PROTEIN UNC5D

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

4v2c__assembly_1__model_1

4v2c__assembly_1__model_1 | I(q)

4v2c__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 polymer

Polymer Polymer

Source Source

6. Fold Classification (SCOP + CATH) 4 domains

CATH v4.4 (4 domains)

7. Citations (1)