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- PDB-2bxl: Human serum albumin complexed with myristate and 3,5-diiodosalicy... -

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Basic information

Entry
Database: PDB / ID: 2bxl
TitleHuman serum albumin complexed with myristate and 3,5-diiodosalicylic acid
ComponentsSERUM ALBUMIN
KeywordsTRANSPORT PROTEIN / ALBUMIN / CARRIER PROTEIN / LIPID-BINDING / METAL-BINDING / DRUG-BINDING / 3 / 5-DIIODOSALICYLIC ACID / MYRISTATE
Function / homology
Function and homology information


cellular response to calcium ion starvation / exogenous protein binding / Ciprofloxacin ADME / enterobactin binding / Heme biosynthesis / HDL remodeling / negative regulation of mitochondrial depolarization / Prednisone ADME / Heme degradation / Aspirin ADME ...cellular response to calcium ion starvation / exogenous protein binding / Ciprofloxacin ADME / enterobactin binding / Heme biosynthesis / HDL remodeling / negative regulation of mitochondrial depolarization / Prednisone ADME / Heme degradation / Aspirin ADME / antioxidant activity / toxic substance binding / small molecule binding / Scavenging of heme from plasma / Recycling of bile acids and salts / cellular response to starvation / platelet alpha granule lumen / 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 / copper ion binding / endoplasmic reticulum lumen / Golgi apparatus / endoplasmic reticulum / 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
2-HYDROXY-3,5-DIIODO-BENZOIC ACID / MYRISTIC ACID / Albumin
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å
AuthorsGhuman, J. / Zunszain, P.A. / Petitpas, I. / Bhattacharya, A.A. / Curry, S.
CitationJournal: J.Mol.Biol. / Year: 2005
Title: Structural Basis of the Drug-Binding Specificity of Human Serum Albumin.
Authors: Ghuman, J. / Zunszain, P.A. / Petitpas, I. / Bhattacharya, A.A. / Otagiri, M. / Curry, S.
History
DepositionJul 26, 2005Deposition site: PDBE / Processing site: PDBE
Revision 1.0Sep 22, 2005Provider: repository / Type: Initial release
Revision 1.1Dec 26, 2012Group: Data collection / Derived calculations ...Data collection / Derived calculations / Non-polymer description / Other / Refinement description / Structure summary / Version format compliance
Revision 1.2Dec 13, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Other / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status / pdbx_initial_refinement_model / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.status_code_sf / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id

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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)68,3318
Polymers66,5711
Non-polymers1,7607
Water45025
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)191.910, 39.180, 95.920
Angle α, β, γ (deg.)90.00, 104.99, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein SERUM ALBUMIN / HUMAN SERUM ALBUMIN


Mass: 66571.219 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Tissue: PLASMA / Production host: PICHIA PASTORIS (fungus) / References: UniProt: P02768
#2: Chemical
ChemComp-MYR / MYRISTIC ACID


Mass: 228.371 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C14H28O2
#3: Chemical ChemComp-DIU / 2-HYDROXY-3,5-DIIODO-BENZOIC ACID / 2-HYDROXY-3,5-DIIODOBENZOIC ACID


Mass: 389.914 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C7H4I2O3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 25 / Source method: isolated from a natural source / Formula: H2O
Sequence detailsSEQUENCE CONTAINS SIGNAL AND PRO-PEPTIDE RESIDUES 1-24 IN DATABASE ENTRY. PROTEIN CRYSTALLISED WAS ...SEQUENCE CONTAINS SIGNAL AND PRO-PEPTIDE RESIDUES 1-24 IN DATABASE ENTRY. PROTEIN CRYSTALLISED WAS THE MATURE POLYPEPTIDE 25-609

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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: 2.62 Å3/Da / Density % sol: 44 %
Crystal growpH: 7 / Details: pH 7.00

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 1.2
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Jul 1, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.2 Å / Relative weight: 1
ReflectionResolution: 2.6→12.8 Å / Num. obs: 17736 / % possible obs: 83.9 % / Observed criterion σ(I): 0 / Redundancy: 2.4 % / Biso Wilson estimate: 63.6 Å2 / Rmerge(I) obs: 0.05 / Net I/σ(I): 12.4
Reflection shellResolution: 2.6→2.74 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.2 / Mean I/σ(I) obs: 4.4 / % possible all: 87.2

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Processing

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

1e7g


Resolution: 2.6→12.78 Å / Rfactor Rfree error: 0.008 / Data cutoff high absF: 1550850.86 / Isotropic thermal model: GROUP / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: MLF
RfactorNum. reflection% reflectionSelection details
Rfree0.242 860 4.8 %RANDOM
Rwork0.199 ---
obs0.199 17734 82.6 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 53.4067 Å2 / ksol: 0.288353 e/Å3
Displacement parametersBiso mean: 60.9 Å2
Baniso -1Baniso -2Baniso -3
1-11.17 Å20 Å26.53 Å2
2---0.73 Å20 Å2
3----10.45 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.39 Å0.33 Å
Luzzati d res low-5 Å
Luzzati sigma a0.43 Å0.38 Å
Refinement stepCycle: LAST / Resolution: 2.6→12.78 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4443 0 97 25 4565
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.007
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_d20.2
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d0.75
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it
X-RAY DIFFRACTIONc_mcangle_it
X-RAY DIFFRACTIONc_scbond_it
X-RAY DIFFRACTIONc_scangle_it
LS refinement shellResolution: 2.6→2.76 Å / Rfactor Rfree error: 0.033 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.352 114 4.3 %
Rwork0.312 2558 -
obs--75.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2DIS.PARDIS.TOP
X-RAY DIFFRACTION3WATER_REP.PARAMMYR.TOP
X-RAY DIFFRACTION4MYR.PAR

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