1b8q

SOLUTION STRUCTURE OF THE EXTENDED NEURONAL NITRIC OXIDE SYNTHASE PDZ DOMAIN COMPLEXED WITH AN ASSOCIATED PEPTIDE

Method: SOLUTION NMR Dmax: 41.0 Å Quality: REASONABLE

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

PROTEIN (NEURONAL NITRIC OXIDE SYNTHASE)

Rattus norvegicus

UniProt P29476

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 7–133 Fragment:PDZ DOMAIN PROTEIN (HEPTAPEPTIDE) × 1 SOLUTION NMR NMR measurement conditions:pH 6;308 K 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.

348 other PDB entries and 351 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NOS1_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–127; UniProt 7–133

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 1b8q

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1b8q
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1b8q
Deposition date deposition_date1999-02-01
Structure title titleSOLUTION STRUCTURE OF THE EXTENDED NEURONAL NITRIC OXIDE SYNTHASE PDZ DOMAIN COMPLEXED WITH AN ASSOCIATED PEPTIDE
Keywords keywordsPDZ DOMAIN, NNOS, NITRIC OXIDE SYNTHASE, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier16.07
Radius of gyration Rg (electron density) rg_electron15.46
Forward intensity I(0) i0592840000.00
Molecular weight molecular_weight214190.0 kDa
Excluded volume excluded_volume272910 ų
Envelope volume envelope_volume61800 ų
Hydration-shell volume shell_volume24421 ų
Envelope diameter envelope_diameter81.5
Shell Rg shell_rg28.46
Envelope Rg envelope_rg21.41
Shape Rg shape_rg15.44
Total Rg total_rg15.94
Total atoms total_atoms31035
Residues n_residues2010
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 dmax41.0
Rg (real space) rg_real15.22
Rg uncertainty (real space) rg_real_error0.04
I(0) (real space) i0_real5.6440e+08
I(0) uncertainty (real space) i0_real_error4.2480e+06
Rg (reciprocal space) rg_reciprocal16.07
I(0) (reciprocal space) i0_reciprocal592800000.0000
Solution quality estimate total_estimate0.6876
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary18.7
Skewness Skewness skewness0.148
Kurtosis Kurtosis kurtosis-0.547
Angular range angular_range— – 0.4950 −1
Current regularization parameter α current_alpha2.5560
Highest regularization parameter α highest_alpha3233000.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.006; Oscil: 0.996; Stabil: 0.986; Sysdev: 0.000; Positv: 1.000; Valcen: 0.997; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (2)

7. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1b8qa_
Class classb — All beta proteins
Fold Fold foldb.36 — PDZ domain-like
Superfamily Superfamily superfamilyb.36.1 — PDZ domain-like
Family Family familyb.36.1.1 — PDZ domain

CATH v4.4 (1 domains)

Domain ID domain_id1b8qA00
Class class2 — Mainly Beta
Architecture architecture30 — Roll
Topology topology42 — Pdz3 Domain
Homologous superfamily homologous superfamily10 — PDZ domain

8. Citations (1)

9. Files and Curves (10)