5t43

NMR Structure of Apo-form Human Tear Lipocalin

Method: SOLUTION NMR Dmax: 55.9 Å Quality: GOOD

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

Lipocalin-1

Homo sapiens

UniProt P31025

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 19–176 Not recorded No other associated polymer SOLUTION NMR NMR measurement conditions:pH 7.4;310 K;Ionic strength (raw mmCIF value) 50;Pressure 1 NMR sample composition:1.0 mM [U-99% 13C; U-99% 15N] Lipocalin, 90 % H2O, 10 % D2O, 50 mM sodium phosphate, 0.04 % sodium azide, 90% H2O/10% D2O | 90% H2O/10% 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.

3 other PDB entries and 6 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name LCN1_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–158; UniProt 19–176

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 5t43

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 5t43
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2. Structure Basics 2. Structure Basics

Entry ID entry_id5t43
Deposition date deposition_date2016-08-28
Structure title titleNMR Structure of Apo-form Human Tear Lipocalin
Keywords keywordsTRANSPORT PROTEIN; TRANSPORT PROTEIN
Experimental Method methodSOLUTION NMR

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

Radius of gyration Rg (Guinier) rg_guinier15.96
Radius of gyration Rg (electron density) rg_electron15.30
Forward intensity I(0) i01767100000.00
Molecular weight molecular_weight348430.0 kDa
Excluded volume excluded_volume432580 ų
Envelope volume envelope_volume42330 ų
Hydration-shell volume shell_volume19438 ų
Envelope diameter envelope_diameter65.1
Shell Rg shell_rg24.77
Envelope Rg envelope_rg18.43
Shape Rg shape_rg15.29
Total Rg total_rg15.45
Total atoms total_atoms48540
Residues n_residues3160
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 dmax55.9
Rg (real space) rg_real15.85
Rg uncertainty (real space) rg_real_error0.41
I(0) (real space) i0_real1.7670e+09
I(0) uncertainty (real space) i0_real_error2.0930e+07
Rg (reciprocal space) rg_reciprocal15.86
I(0) (reciprocal space) i0_reciprocal1767000000.0000
Solution quality estimate total_estimate0.7577
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks3
Primary peak position r_peak_primary22.7
Skewness Skewness skewness0.112
Kurtosis Kurtosis kurtosis-0.202
Angular range angular_range— – 0.5000 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha795800.0000
Real-space data points n_real_points80
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.618; Stabil: 0.999; Sysdev: 1.000; Positv: 1.000; Valcen: 0.994; Smooth: 0.000

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_idd5t43a_
Class classb — All beta proteins
Fold Fold foldb.60 — Lipocalins
Superfamily Superfamily superfamilyb.60.1 — Lipocalins
Family Family familyb.60.1.0 — automated matches

8. Citations (1)

9. Files and Curves (10)