1hk1

HUMAN SERUM ALBUMIN COMPLEXED WITH THYROXINE (3,3',5,5'-TETRAIODO-L-THYRONINE)

Method: X-RAY DIFFRACTION Dmax: 85.8 Å Quality: EXCELLENT

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

SERUM ALBUMIN

HOMO SAPIENS

UniProt P02768

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 25–609 Not recorded T44 3,5,3',5'-TETRAIODO-L-THYRONINE × 4 X-RAY DIFFRACTION X-ray crystallization conditions:pH 7;pH 7.00 Resolution 2.65 Å R-free 0.252

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.

187 other PDB entries and 271 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ALBU_HUMAN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–585; UniProt 25–609

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 1hk1

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1hk1
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1hk1
Deposition date deposition_date2003-03-05
Structure title titleHUMAN SERUM ALBUMIN COMPLEXED WITH THYROXINE (3,3',5,5'-TETRAIODO-L-THYRONINE)
Keywords keywordsPLASMA PROTEIN, HORMONE-BINDING, LIPID-BINDING, THYROXINE; PLASMA PROTEIN
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier26.99
Radius of gyration Rg (electron density) rg_electron26.04
Forward intensity I(0) i075097000.00
Molecular weight molecular_weight63948.0 kDa
Excluded volume excluded_volume77776 ų
Envelope volume envelope_volume96944 ų
Hydration-shell volume shell_volume31242 ų
Envelope diameter envelope_diameter89.7
Shell Rg shell_rg33.19
Envelope Rg envelope_rg26.06
Shape Rg shape_rg26.04
Total Rg total_rg26.77
Total atoms total_atoms4359
Residues n_residues553
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 dmax85.8
Rg (real space) rg_real26.89
Rg uncertainty (real space) rg_real_error0.68
I(0) (real space) i0_real7.5100e+07
I(0) uncertainty (real space) i0_real_error1.0820e+06
Rg (reciprocal space) rg_reciprocal26.92
I(0) (reciprocal space) i0_reciprocal75100000.0000
Solution quality estimate total_estimate0.9068
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary33.4
Skewness Skewness skewness0.203
Kurtosis Kurtosis kurtosis-0.469
Angular range angular_range— – 0.2950 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha7088000.0000
Real-space data points n_real_points60
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.935; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.998; Smooth: 0.981

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 9 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1hk1a1
Class classa — All alpha proteins
Fold Fold folda.126 — Serum albumin-like
Superfamily Superfamily superfamilya.126.1 — Serum albumin-like
Family Family familya.126.1.1 — Serum albumin-like
Domain ID domain_idd1hk1a2
Class classa — All alpha proteins
Fold Fold folda.126 — Serum albumin-like
Superfamily Superfamily superfamilya.126.1 — Serum albumin-like
Family Family familya.126.1.1 — Serum albumin-like
Domain ID domain_idd1hk1a3
Class classa — All alpha proteins
Fold Fold folda.126 — Serum albumin-like
Superfamily Superfamily superfamilya.126.1 — Serum albumin-like
Family Family familya.126.1.1 — Serum albumin-like

CATH v4.4 (6 domains)

Domain ID domain_id1hk1A01
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1hk1A02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1hk1A03
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1hk1A04
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1hk1A05
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10
Domain ID domain_id1hk1A06
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology246 — Serum Albumin; Chain A, Domain 1
Homologous superfamily homologous superfamily10

8. Citations (1)

9. Files and Curves (10)