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- PDB-2w6o: Crystal structure of Biotin carboxylase from E. coli in complex w... -

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Basic information

Entry
Database: PDB / ID: 2w6o
TitleCrystal structure of Biotin carboxylase from E. coli in complex with 4-Amino-7,7-dimethyl-7,8-dihydro-quinazolinone fragment
ComponentsBIOTIN CARBOXYLASE
KeywordsLIGASE / ATP-BINDING / FATTY ACID BIOSYNTHESIS / NUCLEOTIDE-BINDING / LIPID SYNTHESIS / ATP-GRASP DOMAIN / FRAGMENT SCREENING
Function / homology
Function and homology information


biotin carboxylase / acetyl-CoA carboxylase complex / biotin carboxylase activity / malonyl-CoA biosynthetic process / acetyl-CoA carboxylase activity / negative regulation of fatty acid biosynthetic process / fatty acid biosynthetic process / protein homodimerization activity / ATP binding / metal ion binding ...biotin carboxylase / acetyl-CoA carboxylase complex / biotin carboxylase activity / malonyl-CoA biosynthetic process / acetyl-CoA carboxylase activity / negative regulation of fatty acid biosynthetic process / fatty acid biosynthetic process / protein homodimerization activity / ATP binding / metal ion binding / cytosol / cytoplasm
Similarity search - Function
Acetyl-CoA carboxylase, biotin carboxylase / : / Rossmann fold - #20 / Biotin carboxylase-like, N-terminal domain / Biotin carboxylase, C-terminal / Biotin carboxylation domain / Biotin carboxylase, N-terminal domain / Biotin carboxylase C-terminal domain / Biotin carboxylation domain profile. / Biotin carboxylase C-terminal domain ...Acetyl-CoA carboxylase, biotin carboxylase / : / Rossmann fold - #20 / Biotin carboxylase-like, N-terminal domain / Biotin carboxylase, C-terminal / Biotin carboxylation domain / Biotin carboxylase, N-terminal domain / Biotin carboxylase C-terminal domain / Biotin carboxylation domain profile. / Biotin carboxylase C-terminal domain / Carbamoyl-phosphate synthase subdomain signature 1. / Carbamoyl-phosphate synthetase large subunit-like, ATP-binding domain / Carbamoyl-phosphate synthase L chain, ATP binding domain / ATP-grasp fold, A domain / Rudiment single hybrid motif / ATP-grasp fold, subdomain 1 / Pre-ATP-grasp domain superfamily / ATP-grasp fold, B domain / ATP-grasp fold / ATP-grasp fold profile. / D-amino Acid Aminotransferase; Chain A, domain 1 / Dna Ligase; domain 1 / Carbamoyl-phosphate synthase subdomain signature 2. / Rossmann fold / 2-Layer Sandwich / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-OA3 / Biotin carboxylase
Similarity search - Component
Biological speciesESCHERICHIA COLI (E. coli)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.5 Å
AuthorsMochalkin, I. / Miller, J.R.
CitationJournal: Acs Chem.Biol. / Year: 2009
Title: Discovery of Antibacterial Biotin Carboxylase Inhibitors by Virtual Screening and Fragment-Based Approaches.
Authors: Mochalkin, I. / Miller, J.R. / Narasimhan, L.S. / Thanabal, V. / Erdman, P. / Cox, P. / Prasad, J.V. / Lightle, S. / Huband, M. / Stover, K.
History
DepositionDec 18, 2008Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 19, 2009Provider: repository / Type: Initial release
Revision 1.1May 8, 2011Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Dec 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: BIOTIN CARBOXYLASE
C: BIOTIN CARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)99,2276
Polymers98,7732
Non-polymers4534
Water2,306128
1
A: BIOTIN CARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,6133
Polymers49,3871
Non-polymers2272
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
C: BIOTIN CARBOXYLASE
hetero molecules


Theoretical massNumber of molelcules
Total (without water)49,6133
Polymers49,3871
Non-polymers2272
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)68.629, 113.367, 121.737
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein BIOTIN CARBOXYLASE / ACETYL-COA CARBOXYLASE SUBUNIT A / ACC


Mass: 49386.656 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) ESCHERICHIA COLI (E. coli) / Production host: ESCHERICHIA COLI (E. coli)
References: UniProt: P24182, biotin carboxylase, acetyl-CoA carboxylase
#2: Chemical ChemComp-OA3 / 4-amino-7,7-dimethyl-7,8-dihydroquinazolin-5(6H)-one


Mass: 191.230 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C10H13N3O
#3: Chemical ChemComp-CL / CHLORIDE ION


Mass: 35.453 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cl
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 128 / Source method: isolated from a natural source / Formula: H2O
Nonpolymer details4-AMINO-7,7-DIMETHYL-7,8-DIHYDRO-6H-QUINAZOLIN-5-ONE (OA3): INITIAL FRAGMENT SCREENING HIT

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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: 2.41 Å3/Da / Density % sol: 48.58 % / Description: NONE

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1
DetectorType: ADSC CCD / Detector: CCD
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.5→100 Å / Num. obs: 29998 / % possible obs: 88.4 % / Observed criterion σ(I): 0 / Redundancy: 4.61 % / Rmerge(I) obs: 0.1 / Net I/σ(I): 14.45
Reflection shellResolution: 2.5→2.59 Å / Redundancy: 3.8 % / Rmerge(I) obs: 0.47 / Mean I/σ(I) obs: 2.93 / % possible all: 90

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Processing

Software
NameVersionClassification
REFMAC5.2.0005refinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2J9G

2j9g


Resolution: 2.5→15 Å / Cor.coef. Fo:Fc: 0.915 / Cor.coef. Fo:Fc free: 0.856 / SU B: 12.2 / SU ML: 0.283 / Cross valid method: THROUGHOUT / ESU R: 7.357 / ESU R Free: 0.407 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.308 1520 5.1 %RANDOM
Rwork0.23 ---
obs0.234 28116 88.7 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: MASK
Displacement parametersBiso mean: 32.81 Å2
Baniso -1Baniso -2Baniso -3
1-3.66 Å20 Å20 Å2
2---1.44 Å20 Å2
3----2.22 Å2
Refinement stepCycle: LAST / Resolution: 2.5→15 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6858 0 30 128 7016
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0090.0227014
X-RAY DIFFRACTIONr_bond_other_d
X-RAY DIFFRACTIONr_angle_refined_deg1.1321.979471
X-RAY DIFFRACTIONr_angle_other_deg
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.4535889
X-RAY DIFFRACTIONr_dihedral_angle_2_deg35.68623.631314
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.751151224
X-RAY DIFFRACTIONr_dihedral_angle_4_deg16.7561558
X-RAY DIFFRACTIONr_chiral_restr0.0780.21038
X-RAY DIFFRACTIONr_gen_planes_refined0.0030.025328
X-RAY DIFFRACTIONr_gen_planes_other
X-RAY DIFFRACTIONr_nbd_refined0.1920.23249
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined0.2990.24795
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1380.2278
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.170.237
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2450.26
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it0.4661.54541
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it0.82627076
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.10632754
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it1.8384.52395
X-RAY DIFFRACTIONr_scangle_other
X-RAY DIFFRACTIONr_long_range_B_refined
X-RAY DIFFRACTIONr_long_range_B_other
X-RAY DIFFRACTIONr_rigid_bond_restr
X-RAY DIFFRACTIONr_sphericity_free
X-RAY DIFFRACTIONr_sphericity_bonded
LS refinement shellResolution: 2.5→2.56 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.439 116
Rwork0.255 2140

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