1d9l

SOLUTION STRUCTURE OF CECROPIN A(1-8)-MAGAININ 2 HYBRID PEPTIDE ANALOGUE(P1)

Method: SOLUTION NMR Dmax: 42.9 Å Quality: REASONABLE

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

CECROPIN A(1-8)-MAGAININ 2 HYBRID PEPTIDE ANALOGUE

Xenopus laevis, Hyalophora cecropia

UniProt P01507

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 27–34 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer SOLUTION NMR NMR measurement conditions:pH 4.29;303 K;Pressure 1 NMR measurement conditions:pH 4.29;298 K;Pressure 1 NMR sample composition:2MM PEPTIDE; 90MM DPC MICELLES; 90% H2O, 10% D2O NMR sample composition:2MM PEPTIDE; 90MM DPC MICELLES; D2O 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.

9 other PDB entries and 9 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name CECA_HYACE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–8; UniProt 27–34

CECROPIN A(1-8)-MAGAININ 2 HYBRID PEPTIDE ANALOGUE

Xenopus laevis, Hyalophora cecropia

UniProt P11006

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Insufficient information Monomer Protein × 1 PDB declaration: monomeric(1) Consistent with protein copy count Chain A; UniProt 224–232 Non-standard monomer:Yes (specific site not provided by mmCIF) No other associated polymer SOLUTION NMR NMR measurement conditions:pH 4.29;303 K;Pressure 1 NMR measurement conditions:pH 4.29;298 K;Pressure 1 NMR sample composition:2MM PEPTIDE; 90MM DPC MICELLES; 90% H2O, 10% D2O NMR sample composition:2MM PEPTIDE; 90MM DPC MICELLES; D2O 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.

14 other PDB entries and 15 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name MAGA_XENLA
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 9–17; UniProt 224–232

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

SAXS profile for 1d9l

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1d9l
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1d9l
Deposition date deposition_date1999-10-28
Structure title titleSOLUTION STRUCTURE OF CECROPIN A(1-8)-MAGAININ 2 HYBRID PEPTIDE ANALOGUE(P1)
Keywords keywordsHELIX-HELIX, MEMBRANE PROTEIN; MEMBRANE PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier8.95
Radius of gyration Rg (electron density) rg_electron10.01
Forward intensity I(0) i015879600.00
Molecular weight molecular_weight43677.0 kDa
Excluded volume excluded_volume59462 ų
Envelope volume envelope_volume10029 ų
Hydration-shell volume shell_volume7306 ų
Envelope diameter envelope_diameter45.5
Shell Rg shell_rg17.32
Envelope Rg envelope_rg13.39
Shape Rg shape_rg9.99
Total Rg total_rg10.64
Total atoms total_atoms6760
Residues n_residues340
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

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

Maximum dimension Dmax dmax42.9
Rg (real space) rg_real9.33
Rg uncertainty (real space) rg_real_error0.76
I(0) (real space) i0_real1.5880e+07
I(0) uncertainty (real space) i0_real_error1.8460e+05
Rg (reciprocal space) rg_reciprocal9.32
I(0) (reciprocal space) i0_reciprocal15880000.0000
Solution quality estimate total_estimate0.6132
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary6.0
Skewness Skewness skewness0.785
Kurtosis Kurtosis kurtosis-0.064
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1534.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.006; Stabil: 0.998; Sysdev: 1.000; Positv: 1.000; Valcen: 0.000; Smooth: 0.955

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_idd1d9la_
Class classj — Peptides
Fold Fold foldj.4 — Antimicrobial helix
Superfamily Superfamily superfamilyj.4.1 — Antimicrobial helix
Family Family familyj.4.1.1 — Magainin

8. Citations (1)

9. Files and Curves (10)