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- PDB-1icn: ESCHERICHIA COLI-DERIVED RAT INTESTINAL FATTY ACID BINDING PROTEI... -

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Basic information

Entry
Database: PDB / ID: 1icn
TitleESCHERICHIA COLI-DERIVED RAT INTESTINAL FATTY ACID BINDING PROTEIN WITH BOUND MYRISTATE AT 1.5 A RESOLUTION AND I-FABPARG106-->GLN WITH BOUND OLEATE AT 1.74 A RESOLUTION
ComponentsINTESTINAL FATTY ACID BINDING PROTEIN
KeywordsBINDING PROTEIN(FATTY ACID)
Function / homology
Function and homology information


Triglyceride catabolism / intestinal lipid absorption / apical cortex / intestinal absorption / long-chain fatty acid transmembrane transporter activity / long-chain fatty acid binding / microvillus / long-chain fatty acid transport / fatty acid transport / fatty acid binding ...Triglyceride catabolism / intestinal lipid absorption / apical cortex / intestinal absorption / long-chain fatty acid transmembrane transporter activity / long-chain fatty acid binding / microvillus / long-chain fatty acid transport / fatty acid transport / fatty acid binding / fatty acid metabolic process / nucleus / cytosol
Similarity search - Function
Fatty acid-binding protein, intestinal / Cytosolic fatty-acid binding proteins signature. / Intracellular lipid binding protein / Cytosolic fatty-acid binding / Lipocalin / cytosolic fatty-acid binding protein family / Lipocalin/cytosolic fatty-acid binding domain / Calycin beta-barrel core domain / Calycin / Lipocalin / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
OLEIC ACID / Fatty acid-binding protein, intestinal
Similarity search - Component
Biological speciesRattus norvegicus (Norway rat)
MethodX-RAY DIFFRACTION / Resolution: 1.74 Å
AuthorsEads, J.C. / Sacchettini, J.C. / Kromminga, A. / Gordon, J.I.
Citation
Journal: J.Biol.Chem. / Year: 1993
Title: Escherichia coli-derived rat intestinal fatty acid binding protein with bound myristate at 1.5 A resolution and I-FABPArg106-->Gln with bound oleate at 1.74 A resolution.
Authors: Eads, J. / Sacchettini, J.C. / Kromminga, A. / Gordon, J.I.
#1: Journal: J.Biol.Chem. / Year: 1992
Title: Refinement of the Structure of Recombinant Rat Intestinal Fatty Acid-Binding Apoprotein at 1.2 Angstroms Resolution
Authors: Scapin, G. / Gordon, J.I. / Sacchettini, J.C.
History
DepositionSep 20, 1993Processing site: BNL
Revision 1.0Jan 31, 1994Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 29, 2017Group: Derived calculations / Other
Category: pdbx_database_status / struct_conf / struct_conf_type
Item: _pdbx_database_status.process_site
Revision 1.4Feb 7, 2024Group: Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _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: INTESTINAL FATTY ACID BINDING PROTEIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)15,2682
Polymers14,9861
Non-polymers2821
Water2,396133
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)35.820, 51.550, 31.240
Angle α, β, γ (deg.)90.00, 92.28, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein INTESTINAL FATTY ACID BINDING PROTEIN


Mass: 14985.950 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Rattus norvegicus (Norway rat) / References: UniProt: P02693
#2: Chemical ChemComp-OLA / OLEIC ACID


Mass: 282.461 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C18H34O2
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 133 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer detailsBOUND OLEATE HAS THREE CONFORMATIONS FOR THE CARBOXYLATE GROUP.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 1.92 Å3/Da / Density % sol: 36.04 %
Crystal grow
*PLUS
Temperature: 17 ℃ / pH: 7.1 / Method: vapor diffusion, hanging drop
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
13.2 mMprotein1drop
235-40 %PEG80001reservoir
320 mMPIPES1reservoir
40.1 %(w/v)n-octylglucoside1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 1.7 Å / Lowest resolution: 10 Å / Num. obs: 10336 / Num. measured all: 21791 / Rmerge(I) obs: 0.0624

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Processing

Software
NameClassification
X-PLORmodel building
TNTrefinement
X-PLORrefinement
X-PLORphasing
RefinementRfactor obs: 0.161 / Highest resolution: 1.74 Å
Refinement stepCycle: LAST / Highest resolution: 1.74 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms1055 0 30 133 1218
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.01
X-RAY DIFFRACTIONt_angle_deg2.7
X-RAY DIFFRACTIONt_dihedral_angle_d
X-RAY DIFFRACTIONt_incorr_chiral_ct
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_trig_c_planes
X-RAY DIFFRACTIONt_gen_planes
X-RAY DIFFRACTIONt_it
X-RAY DIFFRACTIONt_nbd
Refinement
*PLUS
Highest resolution: 1.74 Å / Rfactor obs: 0.161
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDType
X-RAY DIFFRACTIONt_angle_d
X-RAY DIFFRACTIONt_angle_deg

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