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- PDB-5a25: Rational engineering of a mesophilic carbonic anhydrase to an ext... -

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Basic information

Entry
Database: PDB / ID: 5a25
TitleRational engineering of a mesophilic carbonic anhydrase to an extreme halotolerant biocatalyst
ComponentsCARBONIC ANHYDRASE 2
KeywordsLYASE / PROTEIN ENGINEERING / BIOCATALYSIS
Function / homology
Function and homology information


positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / cyanamide hydratase / cyanamide hydratase activity / angiotensin-activated signaling pathway / regulation of intracellular pH / carbonic anhydrase / carbonate dehydratase activity / carbon dioxide transport / apical part of cell ...positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / cyanamide hydratase / cyanamide hydratase activity / angiotensin-activated signaling pathway / regulation of intracellular pH / carbonic anhydrase / carbonate dehydratase activity / carbon dioxide transport / apical part of cell / zinc ion binding / plasma membrane / cytoplasm
Similarity search - Function
Carbonic Anhydrase II / Alpha carbonic anhydrase / Carbonic anhydrase, alpha-class, conserved site / Alpha-carbonic anhydrases signature. / Carbonic anhydrase, alpha-class / Alpha carbonic anhydrase domain / Alpha carbonic anhydrase domain superfamily / Eukaryotic-type carbonic anhydrase / Alpha-carbonic anhydrases profile. / Eukaryotic-type carbonic anhydrase ...Carbonic Anhydrase II / Alpha carbonic anhydrase / Carbonic anhydrase, alpha-class, conserved site / Alpha-carbonic anhydrases signature. / Carbonic anhydrase, alpha-class / Alpha carbonic anhydrase domain / Alpha carbonic anhydrase domain superfamily / Eukaryotic-type carbonic anhydrase / Alpha-carbonic anhydrases profile. / Eukaryotic-type carbonic anhydrase / Roll / Alpha Beta
Similarity search - Domain/homology
Carbonic anhydrase 2
Similarity search - Component
Biological speciesBOS TAURUS (domestic cattle)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.9 Å
AuthorsWarden, A. / Newman, J. / Peat, T.S. / Seabrook, S. / Williams, M. / Dojchinov, G. / Haritos, V.
CitationJournal: Nat.Commun. / Year: 2015
Title: Rational Engineering of a Mesohalophilic Carbonic Anhydrase to an Extreme Halotolerant Biocatalyst.
Authors: Warden, A.C. / Williams, M. / Peat, T.S. / Seabrook, S.A. / Newman, J. / Dojchinov, G. / Haritos, V.S.
History
DepositionMay 12, 2015Deposition site: PDBE / Processing site: PDBE
Revision 1.0May 20, 2015Provider: repository / Type: Initial release
Revision 1.1Jan 13, 2016Group: Database references
Revision 1.2Jul 29, 2020Group: Data collection / Derived calculations ...Data collection / Derived calculations / Other / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_database_status / pdbx_entity_nonpoly / pdbx_struct_conn_angle / struct_conn / struct_site / struct_site_gen
Item: _chem_comp.mon_nstd_flag / _chem_comp.name ..._chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_database_status.status_code_sf / _pdbx_entity_nonpoly.name / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_comp_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr2_label_atom_id / _pdbx_struct_conn_angle.ptnr2_label_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn.ptnr2_label_seq_id
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Jan 10, 2024Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: CARBONIC ANHYDRASE 2
B: CARBONIC ANHYDRASE 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)59,49512
Polymers58,3042
Non-polymers1,19210
Water6,954386
1
A: CARBONIC ANHYDRASE 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)29,6486
Polymers29,1521
Non-polymers4965
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: CARBONIC ANHYDRASE 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)29,8486
Polymers29,1521
Non-polymers6965
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)59.331, 79.440, 61.521
Angle α, β, γ (deg.)90.00, 106.98, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein / Sugars , 2 types, 5 molecules AB

#1: Protein CARBONIC ANHYDRASE 2 / CARBONATE DEHYDRATASE II / CARBONIC ANHYDRASE II / CA-II


Mass: 29151.758 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) BOS TAURUS (domestic cattle) / Production host: ESCHERICHIA COLI (E. coli) / Strain (production host): BL21(DE3) / References: UniProt: P00921, carbonic anhydrase
#5: Sugar ChemComp-BOG / octyl beta-D-glucopyranoside / Beta-Octylglucoside / octyl beta-D-glucoside / octyl D-glucoside / octyl glucoside


Type: D-saccharide / Mass: 292.369 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Formula: C14H28O6 / Comment: detergent*YM
IdentifierTypeProgram
b-octylglucosideIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0

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Non-polymers , 4 types, 393 molecules

#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#3: Chemical ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL


Mass: 92.094 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C3H8O3
#4: Chemical
ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 386 / Source method: isolated from a natural source / Formula: H2O

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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: 2.4 Å3/Da / Density % sol: 48.8 % / Description: NONE
Crystal growpH: 8.2
Details: 150 NL 20 MG/ML PROTEIN PLUS 150 NL RESERVOIR CONSISTING OF 50 MM TRIS PH 8.2, 2.3 M AMMONIUM SULFATE, 0.023 (W/V) N-OCTYL-B-D-GLUCOPYRANOSIDE

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Australian Synchrotron / Beamline: MX1 / Wavelength: 0.9537
DetectorType: ADSC CCD / Detector: CCD / Date: Apr 27, 2011
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9537 Å / Relative weight: 1
ReflectionResolution: 1.88→19.9 Å / Num. obs: 41643 / % possible obs: 93.8 % / Observed criterion σ(I): 0 / Redundancy: 7.4 % / Rmerge(I) obs: 0.09 / Net I/σ(I): 19.5
Reflection shellResolution: 1.88→1.98 Å / Redundancy: 5.5 % / Rmerge(I) obs: 0.38 / Mean I/σ(I) obs: 4.4 / % possible all: 68.3

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Processing

Software
NameVersionClassification
REFMAC5.8.0107refinement
XDSdata reduction
SCALAdata scaling
PHASERphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1V9E

1v9e


Resolution: 1.9→58.84 Å / Cor.coef. Fo:Fc: 0.964 / Cor.coef. Fo:Fc free: 0.943 / SU B: 6.796 / SU ML: 0.089 / Cross valid method: THROUGHOUT / ESU R: 0.144 / ESU R Free: 0.134 / Stereochemistry target values: MAXIMUM LIKELIHOOD
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. U VALUES WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.19689 2064 5 %RANDOM
Rwork0.15308 ---
obs0.15532 38944 95.15 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 17.358 Å2
Baniso -1Baniso -2Baniso -3
1-0.79 Å20 Å2-0.95 Å2
2---0.94 Å20 Å2
3---0.61 Å2
Refinement stepCycle: LAST / Resolution: 1.9→58.84 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4096 0 72 386 4554
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0160.0194384
X-RAY DIFFRACTIONr_bond_other_d0.0090.024077
X-RAY DIFFRACTIONr_angle_refined_deg1.7661.9525972
X-RAY DIFFRACTIONr_angle_other_deg1.65939438
X-RAY DIFFRACTIONr_dihedral_angle_1_deg6.2175535
X-RAY DIFFRACTIONr_dihedral_angle_2_deg37.13124.615208
X-RAY DIFFRACTIONr_dihedral_angle_3_deg13.67115688
X-RAY DIFFRACTIONr_dihedral_angle_4_deg21.1261519
X-RAY DIFFRACTIONr_chiral_restr0.1220.2634
X-RAY DIFFRACTIONr_gen_planes_refined0.0110.0214980
X-RAY DIFFRACTIONr_gen_planes_other0.0080.021023
X-RAY DIFFRACTIONr_nbd_refined
X-RAY DIFFRACTIONr_nbd_other
X-RAY DIFFRACTIONr_nbtor_refined
X-RAY DIFFRACTIONr_nbtor_other
X-RAY DIFFRACTIONr_xyhbond_nbd_refined
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined
X-RAY DIFFRACTIONr_symmetry_vdw_other
X-RAY DIFFRACTIONr_symmetry_hbond_refined
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.2111.9332116
X-RAY DIFFRACTIONr_mcbond_other1.2091.9332115
X-RAY DIFFRACTIONr_mcangle_it1.9013.2472659
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it1.8672.2662268
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it
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: 1.9→1.949 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.223 102 -
Rwork0.197 2108 -
obs--69.83 %
Refinement TLS params.Method: refined / Origin x: 5.0371 Å / Origin y: -1.7293 Å / Origin z: 18.5231 Å
111213212223313233
T0.0051 Å2-0 Å2-0.0004 Å2-0.0081 Å20.0008 Å2--0.001 Å2
L0.0564 °2-0.0097 °20.0284 °2-0.1242 °20.0433 °2--0.0362 °2
S0.0038 Å °-0.0023 Å °-0.0034 Å °-0.0031 Å °0.0004 Å °-0.0045 Å °0.0014 Å °0.0038 Å °-0.0043 Å °

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