1b1v

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

Method: SOLUTION NMR D_max: 31.2 Å Quality: GOOD

▼

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

PROTEIN (PLASMATOCYTE-SPREADING PEPTIDE)

OrganismNot specified

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein monomer Monomer Protein × 1 PDB declaration: monomeric（1） Consistent with protein copy count	Chain A； UniProt 119–141	Not recorded	No other associated polymer	SOLUTION NMR NMR measurement conditions：pH 6；283 K；Ionic strength (raw mmCIF value) 20 mM SODIUM PHOSPHATE；Pressure 1	Resolution not provided

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 1B1V	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
1B5N NMR STRUCTURE OF PSP1, PLASMATOCYTE-SPREADING PEPTIDE FROM PSEUDOPLUSIA INCLUDENS Deposited 1999-01-07	Different experimental conditions	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 119–141（23 aa）	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6；283 K；Ionic strength (raw mmCIF value) 50 mM PO4 BUFFER；Pressure 1	Resolution not provided

1 other PDB entries and 1 assemblies. Open the comparison page and filter oligomeric states

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.

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

Download Download SAXS (.dat) P(r) (.pr.out) CIF

▼

2. Structure Basics 2. Structure Basics

Entry ID entry_id	1b1v
Deposition date deposition_date	1998-11-23
Structure title title	NMR STRUCTURE OF PSP1, PLASMATOCYTE-SPREADING PEPTIDE FROM PSEUDOPLUSIA INCLUDENS
Keywords keywords	INSECT CYTOKINE, PLASMATOCYTE-SPREADING, EGF-LIKE, CYTOKINE; CYTOKINE
Experimental Method method	SOLUTION NMR

▼

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier	8.10 Å
Radius of gyration Rg (electron density) rg_electron	8.55 Å
Forward intensity I(0) i0	97122600.00
Molecular weight molecular_weight	74785.0 kDa
Excluded volume excluded_volume	90279 Å³
Envelope volume envelope_volume	9425 Å³
Hydration-shell volume shell_volume	7436 Å³
Envelope diameter envelope_diameter	34.0 Å
Shell Rg shell_rg	16.37 Å
Envelope Rg envelope_rg	12.01 Å
Shape Rg shape_rg	8.60 Å
Total Rg total_rg	8.68 Å
Total atoms total_atoms	9960
Residues n_residues	690
Spherical-harmonic order n_harmonics	20
q range q_range	— – 0.5000 Å⁻¹
Data points n_points	101
Shell type shell_type	directional
Solvent electron density solvent_density	0.3340 e/Å³
Shell contrast contrast_shell	0.0300 e/Å³
CRYSOL version crysol_version	4.1.3

▼

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax	31.2 Å
Rg (real space) rg_real	8.17 Å
Rg uncertainty (real space) rg_real_error	0.57 Å
I(0) (real space) i0_real	9.7120e+07
I(0) uncertainty (real space) i0_real_error	1.1170e+06
Rg (reciprocal space) rg_reciprocal	8.17 Å
I(0) (reciprocal space) i0_reciprocal	97120000.0000
Solution quality estimate total_estimate	0.7937
Solution quality rating solution_quality	GOOD a GOOD solution
P(r) peaks n_peaks	3
Primary peak position r_peak_primary	8.7 Å
Skewness Skewness skewness	0.542
Kurtosis Kurtosis kurtosis	0.150
Angular range angular_range	— – 0.5000 Å⁻¹
Current regularization parameter α current_alpha	0.0000
Highest regularization parameter α highest_alpha	4848.0000
Real-space data points n_real_points	80
GNOM version gnom_version	4.1.3
Quality Criteria quality_criteria	AN1: 0.000; Oscil: 0.629; Stabil: 0.995; Sysdev: 1.000; Positv: 1.000; Valcen: 0.514; Smooth: 0.926

▶

5. Crystallography and Experiment 5. Crystallography & Experiment

▶

6. Entities and Polymers Entities & Polymers (1)

▼

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

Domain ID domain_id	d1b1va_
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

▶

8. Citations (1)

▶

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	9960

fit	/app/data/saxs_computation/b1/1b1v/1b1v.fit
pddf	/app/data/pr_computation/b1/1b1v/1b1v.pr.out
profile	/app/data/saxs_computation/b1/1b1v/1b1v.dat

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

SAXS scattering curve SAXS Profile

P(r) Distance Distribution P(r) Distribution

2. Structure Basics 2. Structure Basics

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

5. Crystallography and Experiment 5. Crystallography & Experiment

Unit cell Unit Cell

Symmetry Symmetry

6. Entities and Polymers Entities & Polymers (1)

Entity 1 Entity 1 polymer

Polymer Polymer

7. Fold Classification (SCOP + CATH) 1 domains

SCOP 2.08 (1 domains)

8. Citations (1)

9. Files and Curves (10)

Files (7)

Curves (3)