1ngl

HUMAN NEUTROPHIL GELATINASE-ASSOCIATED LIPOCALIN (HNGAL), REGULARISED AVERAGE NMR STRUCTURE

Method: SOLUTION NMR Dmax: 67.9 Å Quality: REASONABLE

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

PROTEIN (NGAL)

Homo sapiens

UniProt P80188

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 21–198 Fragment:MATURE SEQUENCE No other associated polymer SOLUTION NMR NMR measurement conditions:pH 6.1;298 K;Ionic strength (raw mmCIF value) 50 mM;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.

57 other PDB entries and 162 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name NGAL_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–179; UniProt 21–198

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 1ngl

P(r) Distance Distribution P(r) Distribution

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

Entry ID entry_id1ngl
Deposition date deposition_date1999-02-23
Structure title titleHUMAN NEUTROPHIL GELATINASE-ASSOCIATED LIPOCALIN (HNGAL), REGULARISED AVERAGE NMR STRUCTURE
Keywords keywordsTRANSPORT PROTEIN, MMP-9 COMPONENT, LIPOCALIN; TRANSPORT PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier18.88
Radius of gyration Rg (electron density) rg_electron17.43
Forward intensity I(0) i07596720.00
Molecular weight molecular_weight20684.0 kDa
Excluded volume excluded_volume26188 ų
Envelope volume envelope_volume32606 ų
Hydration-shell volume shell_volume16037 ų
Envelope diameter envelope_diameter69.9
Shell Rg shell_rg23.27
Envelope Rg envelope_rg18.20
Shape Rg shape_rg17.36
Total Rg total_rg18.71
Total atoms total_atoms2916
Residues n_residues179
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 dmax67.9
Rg (real space) rg_real18.86
Rg uncertainty (real space) rg_real_error0.52
I(0) (real space) i0_real7.5970e+06
I(0) uncertainty (real space) i0_real_error9.7100e+04
Rg (reciprocal space) rg_reciprocal18.86
I(0) (reciprocal space) i0_reciprocal7597000.0000
Solution quality estimate total_estimate0.7491
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary25.5
Skewness Skewness skewness0.394
Kurtosis Kurtosis kurtosis0.165
Angular range angular_range— – 0.4200 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha1355000.0000
Real-space data points n_real_points73
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.590; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.000

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (1)

7. Fold Classification (SCOP + CATH) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1ngla1
Class classb — All beta proteins
Fold Fold foldb.60 — Lipocalins
Superfamily Superfamily superfamilyb.60.1 — Lipocalins
Family Family familyb.60.1.1 — Retinol binding protein-like
Domain ID domain_idd1ngla2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1nglA00
Class class2 — Mainly Beta
Architecture architecture40 — Beta Barrel
Topology topology128 — Lipocalin
Homologous superfamily homologous superfamily20 — Calycin beta-barrel core domain

8. Citations (1)

9. Files and Curves (10)