1tll

CRYSTAL STRUCTURE OF RAT NEURONAL NITRIC-OXIDE SYNTHASE REDUCTASE MODULE AT 2.3 A RESOLUTION.

Method: X-RAY DIFFRACTION Dmax: 99.6 Å Quality: EXCELLENT

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

Nitric-oxide synthase, brain

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 homooligomer Homooligomer Protein × 2 PDB declaration: dimeric(2) Consistent with protein copy count Chain A; UniProt 742–1429 Chain B; UniProt 742–1429 Not recorded SO3 SULFITE ION × 2 FMN FLAVIN MONONUCLEOTIDE × 2 FAD FLAVIN-ADENINE DINUCLEOTIDE × 2 NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE × 2 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;298 K;PEG4K, EDTA, Sodium-sulfite, Imidazole-Malate, DTT, glycerol, NADPH, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 298.0K Resolution 2.30 Å R-free 0.272

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 1–688; UniProt 742–1429 Author chain B; PDBConstruct 1–688; UniProt 742–1429

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 1tll

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1tll
Deposition date deposition_date2004-06-09
Structure title titleCRYSTAL STRUCTURE OF RAT NEURONAL NITRIC-OXIDE SYNTHASE REDUCTASE MODULE AT 2.3 A RESOLUTION.
Keywords keywordsNITRIC-OXIDE SYNTHASE, REDUCTASE MODULE, FMN, FAD, NADP+, OXIDOREDUCTASE; OXIDOREDUCTASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier33.21
Radius of gyration Rg (electron density) rg_electron32.21
Forward intensity I(0) i0341777000.00
Molecular weight molecular_weight144920.0 kDa
Excluded volume excluded_volume179840 ų
Envelope volume envelope_volume226260 ų
Hydration-shell volume shell_volume55809 ų
Envelope diameter envelope_diameter107.9
Shell Rg shell_rg41.17
Envelope Rg envelope_rg31.94
Shape Rg shape_rg32.19
Total Rg total_rg32.94
Total atoms total_atoms10185
Residues n_residues1246
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 dmax99.6
Rg (real space) rg_real32.95
Rg uncertainty (real space) rg_real_error0.45
I(0) (real space) i0_real3.4180e+08
I(0) uncertainty (real space) i0_real_error5.5590e+06
Rg (reciprocal space) rg_reciprocal33.06
I(0) (reciprocal space) i0_reciprocal341800000.0000
Solution quality estimate total_estimate0.9037
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary41.5
Skewness Skewness skewness0.124
Kurtosis Kurtosis kurtosis-0.531
Angular range angular_range— – 0.2400 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha94140000.0000
Real-space data points n_real_points49
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.950; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.977; Smooth: 0.916

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (6)

7. Fold Classification (SCOP + CATH) 14 domains

SCOP 2.08 (6 domains)

Domain ID domain_idd1tlla1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.1 — NADPH-cytochrome p450 reductase FAD-binding domain-like
Domain ID domain_idd1tlla2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.5 — Flavoproteins
Family Family familyc.23.5.2 — Cytochrome p450 reductase N-terminal domain-like
Domain ID domain_idd1tlla3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.4 — NADPH-cytochrome p450 reductase-like
Domain ID domain_idd1tllb1
Class classb — All beta proteins
Fold Fold foldb.43 — Reductase/isomerase/elongation factor common domain
Superfamily Superfamily superfamilyb.43.4 — Riboflavin synthase domain-like
Family Family familyb.43.4.1 — NADPH-cytochrome p450 reductase FAD-binding domain-like
Domain ID domain_idd1tllb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.23 — Flavodoxin-like
Superfamily Superfamily superfamilyc.23.5 — Flavoproteins
Family Family familyc.23.5.2 — Cytochrome p450 reductase N-terminal domain-like
Domain ID domain_idd1tllb3
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.25 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Superfamily Superfamily superfamilyc.25.1 — Ferredoxin reductase-like, C-terminal NADP-linked domain
Family Family familyc.25.1.4 — NADPH-cytochrome p450 reductase-like

CATH v4.4 (8 domains)

Domain ID domain_id1tllA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily360 — Flavodoxin domain
Domain ID domain_id1tllA02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology990 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Homologous superfamily homologous superfamily10 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Domain ID domain_id1tllA03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id1tllA04
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module
Domain ID domain_id1tllB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily360 — Flavodoxin domain
Domain ID domain_id1tllB02
Class class1 — Mainly Alpha
Architecture architecture20 — Up-down Bundle
Topology topology990 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Homologous superfamily homologous superfamily10 — NADPH-cytochrome p450 Reductase; Chain A, domain 3
Domain ID domain_id1tllB03
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology30 — Elongation Factor Tu (Ef-tu); domain 3
Homologous superfamily homologous superfamily10 — Translation factors
Domain ID domain_id1tllB04
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily80 — Nucleotide-binding domain of ferredoxin-NADP reductase (FNR) module

8. Citations (1)

9. Files and Curves (10)