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- PDB-1moo: Site Specific Mutant (H64A) of Human Carbonic Anhydrase II at hig... -

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Basic information

Entry
Database: PDB / ID: 1moo
TitleSite Specific Mutant (H64A) of Human Carbonic Anhydrase II at high resolution
ComponentsCarbonic Anhydrase IICarbonic anhydrase
KeywordsLYASE / High-resolution / 4-methylimidazole / Twisted Beta Sheet / Zinc Metalloenzyme
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 / arylesterase activity / regulation of chloride transport / 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 / arylesterase activity / regulation of chloride transport / Reversible hydration of carbon dioxide / angiotensin-activated signaling pathway / positive regulation of synaptic transmission, GABAergic / regulation of intracellular pH / morphogenesis of an epithelium / 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
4-METHYLIMIDAZOLE / : / Carbonic anhydrase 2
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.05 Å
AuthorsDuda, D.M. / Govindasamy, L. / Agbandje-McKenna, M. / Tu, C.K. / Silverman, D.N. / McKenna, R.
Citation
Journal: Acta Crystallogr.,Sect.D / Year: 2003
Title: The refined atomic structure of carbonic anhydrase II at 1.05 A resolution: implications of chemical rescue of proton transfer.
Authors: Duda, D. / Govindasamy, L. / Agbandje-McKenna, M. / Tu, C. / Silverman, D.N. / McKenna, R.
#1: Journal: Biochemistry / Year: 2001
Title: Structural and Kinetic Analysis of the Chemical Rescue of the Proton Transfer Function of Carbonic Anhydrase II
Authors: Duda, D. / Tu, C.K. / Qian, M. / Laipis, P.J. / Agbandje-McKenna, M. / Silverman, D.N. / McKenna, R.
History
DepositionSep 9, 2002Deposition site: RCSB / Processing site: RCSB
Revision 1.0Sep 18, 2002Provider: repository / Type: Initial release
Revision 1.1Apr 28, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Apr 4, 2018Group: Data collection / Category: diffrn_source / Item: _diffrn_source.type
Revision 1.4Oct 27, 2021Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_conn_angle ...database_2 / pdbx_struct_conn_angle / 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_alt_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_label_alt_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_alt_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.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _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_conn.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Feb 14, 2024Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Carbonic Anhydrase II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)29,6525
Polymers29,2221
Non-polymers4304
Water5,549308
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)42.188, 41.435, 72.041
Angle α, β, γ (deg.)90.00, 104.26, 90.00
Int Tables number4
Space group name H-MP1211
DetailsThe biological assembly is a monomer

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Components

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


Mass: 29221.992 Da / Num. of mol.: 1 / Mutation: H64A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)pLysS / 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: Chemical ChemComp-HG / MERCURY (II) ION / Mercury (element)


Mass: 200.590 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Hg
#4: Chemical ChemComp-4MZ / 4-METHYLIMIDAZOLE / 4-Methylimidazole


Mass: 82.104 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H6N2
#5: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 308 / 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: 2

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Sample preparation

CrystalDensity Matthews: 2.09 Å3/Da / Density % sol: 41.07 %
Crystal growTemperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.8
Details: Ammonium Sulfate, Tris, Mercury Chloride, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal grow
*PLUS
Details: Duda, D., (2001) Protein Pept. Lett., 8, 63.

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Data collection

Diffraction
IDMean temperature (K)Crystal-ID
11001
21
Diffraction source
SourceSiteBeamlineTypeIDWavelength (Å)
SYNCHROTRONCHESS F110.938
ROTATING ANODERIGAKU RU20021.54
Detector
TypeIDDetectorDate
ADSC QUANTUM 41CCDAug 4, 2000
RIGAKU RAXIS IV2IMAGE PLATEFeb 15, 2000
RadiationMonochromator: 0.3mm / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
IDWavelength (Å)Relative weight
10.9381
21.541
ReflectionResolution: 1.05→20 Å / Num. obs: 112535 / % possible obs: 83.1 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Rmerge(I) obs: 0.106
Reflection
*PLUS
Num. obs: 93527
Reflection shell
*PLUS
Highest resolution: 1.05 Å / Lowest resolution: 1.09 Å / % possible obs: 40.6 % / Num. unique obs: 4547 / Rmerge(I) obs: 0.316

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.05→20 Å / σ(F): 2 / Stereochemistry target values: Engh & Huber
RfactorNum. reflectionSelection details
Rfree0.177 4671 Random
Rwork0.157 --
all0.16 112535 -
obs0.158 96028 -
Refine analyzeLuzzati coordinate error obs: 0.07 Å
Refinement stepCycle: LAST / Resolution: 1.05→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2048 0 21 308 2377
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONr_angle_refined_deg0.03
X-RAY DIFFRACTIONr_bond_refined_d0.013
LS refinement shellResolution: 1.05→1.09 Å
RfactorNum. reflection% reflection
Rwork0.361 --
obs-4557 40.6 %
Refinement
*PLUS
σ(F): 2 / % reflection Rfree: 5 %
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONx_bond_d0.013
X-RAY DIFFRACTIONx_angle_d
X-RAY DIFFRACTIONx_angle_deg0.03

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