SAXSdb — 1b5n

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

PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE)

OrganismNot specified

State in the Current Structure

Assembly	Physical composition	Protein state	Molecular copy count	Associated components	Data consistency
1	Protein monomer	Monomer	Protein 1	No other associated polymer	Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence

UniProt name	PSP1_PSEIC
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–23； UniProt 119–141

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	1b5n
Deposition date deposition_date	1999-01-07
Structure title title	NMR STRUCTURE OF PSP1, PLASMATOCYTE-SPREADING PEPTIDE FROM PSEUDOPLUSIA INCLUDENS
Keywords keywords	INSECT CYTOKINE, PLASMATOCYTE-SPREADING, EGF-LIKE, SIGNALING PROTEIN; SIGNALING PROTEIN
Experimental Method method	SOLUTION NMR

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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.

1b5n__assembly_1__model_1

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

Download this curve (.dat)

1b5n__assembly_1__model_1 | I(q)

100 plotted points; both axes use logarithmic scales.

1b5n__assembly_1__model_1 | P(r) · Pending

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

Rg（Guinier）	9.73 Å
Rg (electron density)	8.54 Å
Total Rg	10.00 Å
Atom count	332
Residues	23
Excluded volume	3009 Å³
Maximum q	0.500 Å⁻¹

Assembly	Model	Structure unit	Oligomeric description	Status	CRYSOL	Actions
1	1	`1b5n__assembly_1__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 (1)

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6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1b5na_
Class class	j — Peptides
Fold Fold fold	j.8 — PSP1-like
Superfamily Superfamily superfamily	j.8.1 — PSP1-like
Family Family family	j.8.1.1 — PSP1-like

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Unit-cell length a length_a	1.000 Å
Unit-cell length b length_b	1.000 Å
Unit-cell length c length_c	1.000 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	1

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

Description description	PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE)
Molecular weight formula_weight	2511.8 kDa
Source method src_method	syn
Copy count entity_count	1

Polymer type type	polypeptide(L)
Chain IDs strand_id	A
Atom count atom_count	332

NMR STRUCTURE OF PSP1, PLASMATOCYTE-SPREADING PEPTIDE FROM PSEUDOPLUSIA INCLUDENS

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

PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE)

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

1b5n__assembly_1__model_1

1b5n__assembly_1__model_1 | I(q)

1b5n__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

7. Citations (1)

NMR STRUCTURE OF PSP1, PLASMATOCYTE-SPREADING PEPTIDE FROM PSEUDOPLUSIA INCLUDENS

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

PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE)

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

1b5n__assembly_1__model_1

1b5n__assembly_1__model_1 | I(q)

1b5n__assembly_1__model_1 | P(r) · Pending

4. Crystallography and Experiment 4. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

5. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

6. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

7. Citations (1)