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- PDB-4gl1: Structure of H64A/N62L/N67L Human Carbonic Anhydrase II triple mutant -

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Basic information

Entry
Database: PDB / ID: 4gl1
TitleStructure of H64A/N62L/N67L Human Carbonic Anhydrase II triple mutant
ComponentsCarbonic anhydrase 2
KeywordsLYASE / mixed alpa beta
Function / homology
Function and homology information


positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / regulation of chloride transport / arylesterase activity / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway ...positive regulation of cellular pH reduction / positive regulation of dipeptide transmembrane transport / regulation of monoatomic anion transport / secretion / cyanamide hydratase / cyanamide hydratase activity / regulation of chloride transport / arylesterase activity / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway / positive regulation of synaptic transmission, GABAergic / morphogenesis of an epithelium / regulation of intracellular pH / carbonic anhydrase / carbonate dehydratase activity / carbon dioxide transport / Erythrocytes take up oxygen and release carbon dioxide / Erythrocytes take up carbon dioxide and release oxygen / neuron cellular homeostasis / one-carbon metabolic process / apical part of cell / myelin sheath / extracellular exosome / zinc ion binding / plasma membrane / cytosol / 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 speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 1.5 Å
AuthorsWest, D.M.
CitationJournal: To be Published
Title: Hydrophobicity and low pKa impact catalytic efficiency of Human Carbonic Anhydrases
Authors: West, D.M. / Silverman, D.N. / McKenna, R.
History
DepositionAug 13, 2012Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 4, 2013Provider: repository / Type: Initial release
Revision 1.1Nov 15, 2017Group: Advisory / Refinement description / Category: pdbx_unobs_or_zero_occ_atoms / software
Item: _software.classification / _software.contact_author ..._software.classification / _software.contact_author / _software.contact_author_email / _software.date / _software.language / _software.location / _software.name / _software.type / _software.version
Revision 1.2Feb 28, 2024Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_struct_conn_angle / pdbx_unobs_or_zero_occ_atoms / struct_conn / 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 / _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.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_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_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
X: Carbonic anhydrase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)29,2862
Polymers29,2201
Non-polymers651
Water3,675204
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)42.070, 41.143, 71.685
Angle α, β, γ (deg.)90.000, 104.080, 90.000
Int Tables number4
Space group name H-MP1211

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Components

#1: Protein Carbonic anhydrase 2 / Carbonate dehydratase II / Carbonic anhydrase C / CAC / Carbonic anhydrase II / CA-II


Mass: 29220.102 Da / Num. of mol.: 1 / Mutation: H64A/N62L/N67L
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CA2 / Production host: Escherichia coli (E. coli) / References: UniProt: P00918, carbonic anhydrase
#2: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 204 / 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: 2.06 Å3/Da / Density % sol: 40.27 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 8
Details: 1.0 to 1.3 Sodium Citrate and 50 to 100 mM Tris Buffer pH 7-9, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RUH3R / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV++ / Detector: IMAGE PLATE / Date: Jul 15, 2010
RadiationMonochromator: Varimax Optics / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 1.5→50 Å / Num. all: 38410 / Num. obs: 37373 / % possible obs: 97.3 % / Rsym value: 0.062

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Processing

Software
NameVersionClassificationNB
DENZOdata reduction
SCALEPACKdata scaling
PHENIX1.8_1069refinement
PDB_EXTRACT3.11data extraction
HKL-2000data collection
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.5→23.765 Å / Occupancy max: 1 / Occupancy min: 0 / FOM work R set: 0.8901 / SU ML: 0.17 / Cross valid method: THROUGHOUT / σ(F): 1.38 / Phase error: 18.08 / Stereochemistry target values: ML
RfactorNum. reflection% reflectionSelection details
Rfree0.1935 1999 5.35 %random
Rwork0.1694 ---
obs0.1707 37358 97.04 %-
all-38513 --
Solvent computationShrinkage radii: 0.9 Å / VDW probe radii: 1.11 Å / Solvent model: FLAT BULK SOLVENT MODEL
Displacement parametersBiso max: 66.17 Å2 / Biso mean: 18.8058 Å2 / Biso min: 8.52 Å2
Refinement stepCycle: LAST / Resolution: 1.5→23.765 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2053 0 1 204 2258
Refine LS restraints
Refine-IDTypeDev idealNumber
X-RAY DIFFRACTIONf_bond_d0.0062281
X-RAY DIFFRACTIONf_angle_d1.1953136
X-RAY DIFFRACTIONf_chiral_restr0.086341
X-RAY DIFFRACTIONf_plane_restr0.005404
X-RAY DIFFRACTIONf_dihedral_angle_d13.383885
LS refinement shell

Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 14

Resolution (Å)Rfactor RfreeNum. reflection RfreeRfactor RworkNum. reflection RworkNum. reflection all% reflection obs (%)
1.4981-1.53560.28411320.2282377250992
1.5356-1.57710.19651440.18392460260496
1.5771-1.62350.23541460.15652466261295
1.6235-1.67590.18541290.16462493262297
1.6759-1.73580.20071470.17172513266097
1.7358-1.80520.22331520.17182514266697
1.8052-1.88740.20721330.1582543267698
1.8874-1.98680.19331430.15762527267098
1.9868-2.11120.17471480.1592542269098
2.1112-2.27410.19751410.16482577271899
2.2741-2.50280.19461450.17122565271099
2.5028-2.86440.2171490.18152596274599
2.8644-3.60680.18211440.17292590273498
3.6068-23.76750.1751460.16632596274296

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