2o60

Calmodulin bound to peptide from neuronal nitric oxide synthase

Method: X-RAY DIFFRACTION Dmax: 54.4 Å Quality: EXCELLENT

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

Calmodulin

Gallus gallus

UniProt P62149

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 1–148 Not recorded Peptide corresponding to calmodulin binding domain of neuronal nitric oxide synthase × 1 (Q9Z0J4) CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.6;298 K;20% PEG 4000, 0.2 M sodium acetate, 0.1 M sodium citrate pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.55 Å R-free 0.244

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.

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

View Construct and Data Evidence
UniProt name CALM_CHICK
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–148; UniProt 1–148

Peptide corresponding to calmodulin binding domain of neuronal nitric oxide synthase

OrganismNot specified

UniProt Q9Z0J4

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 heterocomplex Heteromer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain B; UniProt 725–747 Non-standard monomer:Yes (specific site not provided by mmCIF) Calmodulin × 1 (P62149) CA CALCIUM ION × 4 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, SITTING DROP;pH 5.6;298 K;20% PEG 4000, 0.2 M sodium acetate, 0.1 M sodium citrate pH 5.6, VAPOR DIFFUSION, SITTING DROP, temperature 298K Resolution 1.55 Å R-free 0.244

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.

1 other PDB entries and 2 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS1_MOUSE
Isoform
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 1–23; UniProt 725–747

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 2o60

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 2o60
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2. Structure Basics 2. Structure Basics

Entry ID entry_id2o60
Deposition date deposition_date2006-12-06
Structure title titleCalmodulin bound to peptide from neuronal nitric oxide synthase
Keywords keywordsprotein-peptide complex, METAL BINDING PROTEIN; METAL BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier17.42
Radius of gyration Rg (electron density) rg_electron15.96
Forward intensity I(0) i07374740.00
Molecular weight molecular_weight18982.0 kDa
Excluded volume excluded_volume23382 ų
Envelope volume envelope_volume27508 ų
Hydration-shell volume shell_volume14730 ų
Envelope diameter envelope_diameter53.2
Shell Rg shell_rg21.53
Envelope Rg envelope_rg16.06
Shape Rg shape_rg15.98
Total Rg total_rg16.88
Total atoms total_atoms1320
Residues n_residues168
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 dmax54.4
Rg (real space) rg_real17.32
Rg uncertainty (real space) rg_real_error0.23
I(0) (real space) i0_real7.3750e+06
I(0) uncertainty (real space) i0_real_error8.0630e+04
Rg (reciprocal space) rg_reciprocal17.33
I(0) (reciprocal space) i0_reciprocal7375000.0000
Solution quality estimate total_estimate0.9027
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary53.7
Skewness Skewness skewness0.131
Kurtosis Kurtosis kurtosis-0.446
Angular range angular_range— – 0.4550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha896100.0000
Real-space data points n_real_points76
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.915; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.996; Smooth: 0.990

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (4)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd2o60a_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.5 — Calmodulin-like

CATH v4.4 (1 domains)

Domain ID domain_id2o60A00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand

8. Citations (1)

9. Files and Curves (10)