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- PDB-1bia: THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYS... -

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Basic information

Entry
Database: PDB / ID: 1bia
TitleTHE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS
ComponentsBirA BIFUNCTIONAL PROTEIN
KeywordsTRANSCRIPTION REGULATION
Function / homology
Function and homology information


biotin metabolic process / biotin-[biotin carboxyl-carrier protein] ligase / biotin--[biotin carboxyl-carrier protein] ligase activity / biotin biosynthetic process / biotin binding / transcription repressor complex / protein modification process / nucleic acid binding / transcription cis-regulatory region binding / regulation of DNA-templated transcription ...biotin metabolic process / biotin-[biotin carboxyl-carrier protein] ligase / biotin--[biotin carboxyl-carrier protein] ligase activity / biotin biosynthetic process / biotin binding / transcription repressor complex / protein modification process / nucleic acid binding / transcription cis-regulatory region binding / regulation of DNA-templated transcription / protein homodimerization activity / DNA binding / ATP binding / cytoplasm
Similarity search - Function
Biotin operon repressor, helix-turn-helix domain / Bifunctional ligase/repressor BirA / Helix-turn-helix, type 11 / HTH domain / Biotin protein ligase, C-terminal / Biotin protein ligase C terminal domain / Biotin--acetyl-CoA-carboxylase ligase / Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) catalytic domain profile. / Biotin/lipoate A/B protein ligase family / Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL), catalytic domain ...Biotin operon repressor, helix-turn-helix domain / Bifunctional ligase/repressor BirA / Helix-turn-helix, type 11 / HTH domain / Biotin protein ligase, C-terminal / Biotin protein ligase C terminal domain / Biotin--acetyl-CoA-carboxylase ligase / Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) catalytic domain profile. / Biotin/lipoate A/B protein ligase family / Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL), catalytic domain / Transcriptional repressor, C-terminal / SH3 type barrels. - #100 / Bira Bifunctional Protein; Domain 2 / BirA Bifunctional Protein; domain 2 / Class II Aminoacyl-tRNA synthetase/Biotinyl protein ligase (BPL) and lipoyl protein ligase (LPL) / Winged helix-like DNA-binding domain superfamily/Winged helix DNA-binding domain / SH3 type barrels. / Arc Repressor Mutant, subunit A / Roll / Winged helix DNA-binding domain superfamily / Winged helix-like DNA-binding domain superfamily / 2-Layer Sandwich / Orthogonal Bundle / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
Bifunctional ligase/repressor BirA
Similarity search - Component
Biological speciesEscherichia coli (E. coli)
MethodX-RAY DIFFRACTION / Resolution: 2.3 Å
AuthorsWilson, K.P. / Shewchuk, L.M. / Matthews, B.W.
Citation
Journal: Proc.Natl.Acad.Sci.USA / Year: 1992
Title: Escherichia coli biotin holoenzyme synthetase/bio repressor crystal structure delineates the biotin- and DNA-binding domains.
Authors: Wilson, K.P. / Shewchuk, L.M. / Brennan, R.G. / Otsuka, A.J. / Matthews, B.W.
#1: Journal: J.Biol.Chem. / Year: 1989
Title: Crystallization of the Bifunctional Biotin Operon Repressor
Authors: Brennan, R.G. / Vasu, S. / Matthews, B.W. / Otsuka, A.J.
History
DepositionJul 6, 1992Processing site: BNL
Revision 1.0Oct 31, 1993Provider: repository / Type: Initial release
Revision 1.1Mar 3, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Feb 7, 2024Group: Data collection / Database references / Other
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_database_status
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_database_status.process_site

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: BirA BIFUNCTIONAL PROTEIN


Theoretical massNumber of molelcules
Total (without water)35,3521
Polymers35,3521
Non-polymers00
Water77543
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)114.000, 114.000, 60.200
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number96
Space group name H-MP43212
Atom site foot note1: CIS PROLINE - PRO 174

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Components

#1: Protein BirA BIFUNCTIONAL PROTEIN


Mass: 35351.918 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Escherichia coli (E. coli)
References: UniProt: P06709, biotin-[biotin carboxyl-carrier protein] ligase
#2: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 43 / Source method: isolated from a natural source / Formula: H2O

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION

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Sample preparation

CrystalDensity Matthews: 2.77 Å3/Da / Density % sol: 55.52 %
Crystal grow
*PLUS
pH: 6.5 / Method: vapor diffusion
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-ID
130 mg/mlprotein1drop
20.1 Mphosphate1drop
35 %glycerol1drop
42.0 Mphosphate1reservoir

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Data collection

RadiationScattering type: x-ray
Radiation wavelengthRelative weight: 1
Reflection
*PLUS
Highest resolution: 2.3 Å / Lowest resolution: 20 Å / % possible obs: 70 % / Rmerge(I) obs: 0.075

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Processing

SoftwareName: TNT / Classification: refinement
RefinementRfactor obs: 0.19 / Highest resolution: 2.3 Å
Refinement stepCycle: LAST / Highest resolution: 2.3 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2201 0 0 43 2244
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_bond_d0.013
X-RAY DIFFRACTIONt_angle_deg2.4
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
Software
*PLUS
Name: TNT / Classification: refinement
Refinement
*PLUS
Highest resolution: 2.3 Å / Lowest resolution: 20 Å / Rfactor obs: 0.19
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONt_angle_d2.4
X-RAY DIFFRACTIONt_angle_deg

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