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- PDB-2xsi: Human serum albumin complexed with dansyl-L-glutamate and myristi... -

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Basic information

Entry
Database: PDB / ID: 2xsi
TitleHuman serum albumin complexed with dansyl-L-glutamate and myristic acid
ComponentsSERUM ALBUMIN
KeywordsTRANSPORT PROTEIN
Function / homology
Function and homology information


exogenous protein binding / Ciprofloxacin ADME / enterobactin binding / cellular response to calcium ion starvation / Heme biosynthesis / HDL remodeling / negative regulation of mitochondrial depolarization / Prednisone ADME / Heme degradation / Aspirin ADME ...exogenous protein binding / Ciprofloxacin ADME / enterobactin binding / cellular response to calcium ion starvation / 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 / 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
DANSYL-L-GLUTAMATE / MYRISTIC ACID / Albumin
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.7 Å
AuthorsGhuman, J. / Curry, S.
CitationJournal: J.Struct.Biol. / Year: 2011
Title: Structural Basis of Binding of Fluorescent, Site-Specific Dansylated Amino Acids to Human Serum Albumin.
Authors: Ryan, A.J. / Ghuman, J. / Zunszain, P.A. / Chung, C.W. / Curry, S.
History
DepositionOct 29, 2010Deposition site: PDBE / Processing site: PDBE
Revision 1.0Nov 10, 2010Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 20, 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
Revision 1.4Oct 23, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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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)68,6749
Polymers66,5431
Non-polymers2,1318
Water57632
1


  • Idetical with deposited unit
  • defined by software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)189.260, 38.950, 95.390
Angle α, β, γ (deg.)90.00, 105.46, 90.00
Int Tables number5
Space group name H-MC121

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Components

#1: Protein SERUM ALBUMIN


Mass: 66543.141 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / 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-9NE / DANSYL-L-GLUTAMATE


Type: L-peptide linking / Mass: 380.416 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C17H20N2O6S
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 32 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Nonpolymer detailsTETRADECANOIC ACID (MYR): UNPROTONATED
Sequence detailsSEQUENCE NUMBERING IS OF MATURE (SECRETED) PROTEIN.

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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 % / Description: NONE
Crystal growpH: 7 / Details: SEE PAPER, pH 7

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Data collection

DiffractionMean temperature: 298 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.87
DetectorType: ADSC QUANTUM / Detector: CCD / Date: May 2, 2002 / Details: MIRRORS
RadiationMonochromator: CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87 Å / Relative weight: 1
ReflectionResolution: 2.7→21.4 Å / Num. obs: 18820 / % possible obs: 98.5 % / Observed criterion σ(I): 0 / Redundancy: 2.8 % / Biso Wilson estimate: 41.6 Å2 / Rmerge(I) obs: 0.06 / Net I/σ(I): 12.1
Reflection shellResolution: 2.7→2.87 Å / Redundancy: 2.8 % / Rmerge(I) obs: 0.32 / Mean I/σ(I) obs: 3.6 / % possible all: 99.3

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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: 2.7→22.37 Å / Rfactor Rfree error: 0.009 / Data cutoff high absF: 1574468.25 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Details: BULK SOLVENT MODEL USED
RfactorNum. reflection% reflectionSelection details
Rfree0.251 865 4.6 %RANDOM
Rwork0.191 ---
obs0.191 18628 98.3 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 39.3065 Å2 / ksol: 0.3 e/Å3
Displacement parametersBiso mean: 54 Å2
Baniso -1Baniso -2Baniso -3
1-10.07 Å20 Å213.97 Å2
2---0.1 Å20 Å2
3----9.97 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.44 Å0.33 Å
Luzzati d res low-5 Å
Luzzati sigma a0.54 Å0.43 Å
Refinement stepCycle: LAST / Resolution: 2.7→22.37 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4488 0 142 32 4662
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
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_d19.2
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_it1.211.5
X-RAY DIFFRACTIONc_mcangle_it2.082
X-RAY DIFFRACTIONc_scbond_it8.882
X-RAY DIFFRACTIONc_scangle_it11.492.5
Refine LS restraints NCSNCS model details: NONE
LS refinement shellResolution: 2.7→2.87 Å / Rfactor Rfree error: 0.033 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.403 145 4.7 %
Rwork0.32 2947 -
obs--99.2 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2DNE.PARDNE.TOP
X-RAY DIFFRACTION3MYR.PARWATER.TOP
X-RAY DIFFRACTION4WATER_REP.PARAMION.TOP
X-RAY DIFFRACTION5ION.PARAMMYR.TOP

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