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- PDB-1hk4: HUMAN SERUM ALBUMIN COMPLEXED WITH THYROXINE (3,3',5,5'-TETRAIODO... -

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Basic information

Entry
Database: PDB / ID: 1hk4
TitleHUMAN SERUM ALBUMIN COMPLEXED WITH THYROXINE (3,3',5,5'-TETRAIODO-L-THYRONINE) and myristic acid (tetradecanoic acid)
ComponentsSERUM ALBUMIN
KeywordsPLASMA PROTEIN / HORMONE-BINDING / LIPID-BINDING / THYROXINE / FAMILIAL DYSALBUMINEMIC HYPERTHYROXINEMIA
Function / homology
Function and homology information


Ciprofloxacin ADME / exogenous protein binding / cellular response to calcium ion starvation / enterobactin binding / Heme biosynthesis / HDL remodeling / negative regulation of mitochondrial depolarization / Prednisone ADME / Heme degradation / Aspirin ADME ...Ciprofloxacin ADME / exogenous protein binding / cellular response to calcium ion starvation / enterobactin binding / Heme biosynthesis / HDL remodeling / negative regulation of mitochondrial depolarization / Prednisone ADME / Heme degradation / Aspirin ADME / antioxidant activity / toxic substance binding / Scavenging of heme from plasma / Recycling of bile acids and salts / platelet alpha granule lumen / cellular response to starvation / fatty acid binding / Post-translational protein phosphorylation / Cytoprotection by HMOX1 / Regulation of Insulin-like Growth Factor (IGF) transport and uptake by Insulin-like Growth Factor Binding Proteins (IGFBPs) / pyridoxal phosphate binding / Platelet degranulation / protein-folding chaperone binding / blood microparticle / endoplasmic reticulum lumen / copper ion binding / endoplasmic reticulum / Golgi apparatus / protein-containing complex / DNA binding / extracellular space / extracellular exosome / extracellular region / identical protein binding / nucleus / cytoplasm
Similarity search - Function
Serum Albumin; Chain A, Domain 1 - #10 / Serum albumin/Alpha-fetoprotein/Afamin / ALB/AFP/VDB / Serum albumin, N-terminal / Serum albumin, conserved site / Serum albumin-like / Serum albumin family / Albumin domain signature. / Albumin domain profile. / serum albumin ...Serum Albumin; Chain A, Domain 1 - #10 / Serum albumin/Alpha-fetoprotein/Afamin / ALB/AFP/VDB / Serum albumin, N-terminal / Serum albumin, conserved site / Serum albumin-like / Serum albumin family / Albumin domain signature. / Albumin domain profile. / serum albumin / Serum Albumin; Chain A, Domain 1 / Orthogonal Bundle / Mainly Alpha
Similarity search - Domain/homology
MYRISTIC ACID / 3,5,3',5'-TETRAIODO-L-THYRONINE / Albumin
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.4 Å
AuthorsPetitpas, I. / Petersen, C.E. / Ha, C.E. / Bhattacharya, A.A. / Zunszain, P.A. / Ghuman, J. / Bhagavan, N.V. / Curry, S.
CitationJournal: Proc.Natl.Acad.Sci.USA / Year: 2003
Title: Structural Basis of Albumin-Thyroxine Interactions and Familial Dysalbuminemic Hyperthyroxinemia
Authors: Petitpas, I. / Petersen, C.E. / Ha, C.E. / Bhattacharya, A.A. / Zunszain, P.A. / Ghuman, J. / Bhagavan, N.V. / Curry, S.
History
DepositionMar 5, 2003Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 16, 2003Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection ...Atomic model / Data collection / Database references / Other
Category: atom_site / chem_comp_atom ...atom_site / chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf
Revision 2.1Dec 13, 2023Group: Refinement description / Category: pdbx_initial_refinement_model

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: SERUM ALBUMIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)68,9479
Polymers66,5711
Non-polymers2,3758
Water27015
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)189.580, 38.910, 95.260
Angle α, β, γ (deg.)90.00, 105.43, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein SERUM ALBUMIN


Mass: 66571.219 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Production host: SACCHAROMYCES CEREVISIAE (brewer's yeast) / References: UniProt: P02768
#2: Chemical
ChemComp-MYR / MYRISTIC ACID


Mass: 228.371 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: C14H28O2
#3: Chemical ChemComp-T44 / 3,5,3',5'-TETRAIODO-L-THYRONINE


Mass: 776.870 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C15H11I4NO4 / Comment: hormone*YM
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 15 / Source method: isolated from a natural source / Formula: H2O
Compound detailsSERUM ALBUMIN, REGULATES THE COLLOIDAL OSMOTIC PRESSURE OF WATER, IT BINDS TO CA++, NA+, K+, FATTY ...SERUM ALBUMIN, REGULATES THE COLLOIDAL OSMOTIC PRESSURE OF WATER, IT BINDS TO CA++, NA+, K+, FATTY ACIDS, HORMONES, BILIRUBIN AND DRUGS

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.66 Å3/Da / Density % sol: 54 %
Crystal growpH: 7 / Details: pH 7.00
Crystal grow
*PLUS
Method: vapor diffusion, sitting drop / PH range low: 7.5 / PH range high: 7
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDDetails
1100 mg/mlprotein1drop
220 mMpotassium phosphate1droppH7.0-7.5

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.87
DetectorType: ADSC CCD / Detector: CCD / Date: Jan 15, 1999 / Details: MIRRORS
RadiationMonochromator: SI CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87 Å / Relative weight: 1
ReflectionResolution: 2.4→37.5 Å / Num. obs: 24201 / % possible obs: 90.6 % / Observed criterion σ(I): 0 / Redundancy: 2.1 % / Biso Wilson estimate: 39.9 Å2 / Rmerge(I) obs: 0.079 / Net I/σ(I): 5.6
Reflection shellResolution: 2.4→2.53 Å / Redundancy: 1.7 % / Rmerge(I) obs: 0.221 / Mean I/σ(I) obs: 2.7 / % possible all: 76
Reflection shell
*PLUS
% possible obs: 76 %

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Processing

Software
NameVersionClassification
CNS1.1refinement
MOSFLMdata reduction
CCP4data scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1E7G

1e7g


Resolution: 2.4→37.24 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 1776051.07 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
Details: BULK SOLVENT MODEL USED RESIDUES 1-2 AND 585 ARE DISORDERED AND HAVE NOT BEEN INCLUDED IN THE MODEL.
RfactorNum. reflection% reflectionSelection details
Rfree0.267 1144 4.8 %RANDOM
Rwork0.216 ---
obs0.216 23905 89 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 50.9549 Å2 / ksol: 0.323902 e/Å3
Displacement parametersBiso mean: 52.5 Å2
Baniso -1Baniso -2Baniso -3
1-13.79 Å20 Å24.5 Å2
2---2.07 Å20 Å2
3----11.73 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.39 Å0.31 Å
Luzzati d res low-5 Å
Luzzati sigma a0.36 Å0.33 Å
Refinement stepCycle: LAST / Resolution: 2.4→37.24 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4490 0 126 15 4631
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.006
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.2
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d19.6
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.77
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.421.5
X-RAY DIFFRACTIONc_mcangle_it2.382
X-RAY DIFFRACTIONc_scbond_it9.032
X-RAY DIFFRACTIONc_scangle_it11.452.5
LS refinement shellResolution: 2.4→2.55 Å / Rfactor Rfree error: 0.027 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.304 130 4 %
Rwork0.283 3124 -
obs--73.9 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2T44.REVISED.PART44.REVISED.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION4MYR.PARMYR.TOP
Refinement
*PLUS
Highest resolution: 2.4 Å / Lowest resolution: 37.5 Å / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
X-RAY DIFFRACTIONc_angle_deg1.18
X-RAY DIFFRACTIONc_dihedral_angle_d
X-RAY DIFFRACTIONc_dihedral_angle_deg19.6
X-RAY DIFFRACTIONc_improper_angle_d
X-RAY DIFFRACTIONc_improper_angle_deg0.77

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