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- PDB-2c9v: Atomic resolution structure of Cu-Zn Human Superoxide dismutase -

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Basic information

Entry
Database: PDB / ID: 2c9v
TitleAtomic resolution structure of Cu-Zn Human Superoxide dismutase
ComponentsSUPEROXIDE DISMUTASE [CU-ZN]
KeywordsOXIDOREDUCTASE / ACETYLATION / AMYOTROPHIC LATERAL SCLEROSIS / ANTIOXIDANT / COPPER / DISEASE MUTATION / HUMAN CU / METAL-BINDING / OXIOREDUCTASE / ZINC / ZN SUPEROXIDE DISMUTASE
Function / homology
Function and homology information


positive regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / action potential initiation / regulation of T cell differentiation in thymus / response to antipsychotic drug / neurofilament cytoskeleton organization / response to carbon monoxide / regulation of organ growth / relaxation of vascular associated smooth muscle / peripheral nervous system myelin maintenance / response to superoxide ...positive regulation of oxidative stress-induced intrinsic apoptotic signaling pathway / action potential initiation / regulation of T cell differentiation in thymus / response to antipsychotic drug / neurofilament cytoskeleton organization / response to carbon monoxide / regulation of organ growth / relaxation of vascular associated smooth muscle / peripheral nervous system myelin maintenance / response to superoxide / anterograde axonal transport / protein phosphatase 2B binding / dense core granule / Oxidoreductases; Acting on a sulfur group of donors / regulation of GTPase activity / auditory receptor cell stereocilium organization / retina homeostasis / hydrogen peroxide biosynthetic process / cellular response to potassium ion / retrograde axonal transport / myeloid cell homeostasis / superoxide anion generation / muscle cell cellular homeostasis / superoxide metabolic process / response to copper ion / superoxide dismutase / Detoxification of Reactive Oxygen Species / heart contraction / superoxide dismutase activity / cellular response to cadmium ion / regulation of multicellular organism growth / cellular response to ATP / negative regulation of reproductive process / negative regulation of developmental process / transmission of nerve impulse / response to axon injury / ectopic germ cell programmed cell death / ovarian follicle development / neuronal action potential / embryo implantation / positive regulation of superoxide anion generation / axon cytoplasm / removal of superoxide radicals / reactive oxygen species metabolic process / thymus development / Gene and protein expression by JAK-STAT signaling after Interleukin-12 stimulation / placenta development / positive regulation of phagocytosis / dendrite cytoplasm / response to amphetamine / determination of adult lifespan / positive regulation of cytokine production / regulation of mitochondrial membrane potential / glutathione metabolic process / response to hydrogen peroxide / sensory perception of sound / locomotory behavior / response to nutrient levels / negative regulation of inflammatory response / mitochondrial intermembrane space / regulation of blood pressure / small GTPase binding / Platelet degranulation / peroxisome / response to heat / protein-folding chaperone binding / gene expression / cytoplasmic vesicle / spermatogenesis / negative regulation of neuron apoptotic process / intracellular iron ion homeostasis / response to ethanol / positive regulation of MAPK cascade / lysosome / response to xenobiotic stimulus / positive regulation of apoptotic process / mitochondrial matrix / copper ion binding / neuronal cell body / apoptotic process / protein homodimerization activity / protein-containing complex / mitochondrion / : / extracellular exosome / extracellular region / zinc ion binding / nucleoplasm / identical protein binding / nucleus / cytosol / cytoplasm
Similarity search - Function
Superoxide dismutase, copper/zinc binding domain / Copper/Zinc superoxide dismutase signature 1. / Superoxide dismutase (Cu/Zn) / superoxide dismutase copper chaperone / Superoxide dismutase, copper/zinc, binding site / Copper/Zinc superoxide dismutase signature 2. / Superoxide dismutase, copper/zinc binding domain / Copper/zinc superoxide dismutase (SODC) / Superoxide dismutase-like, copper/zinc binding domain superfamily / Immunoglobulin-like / Sandwich / Mainly Beta
Similarity search - Domain/homology
COPPER (II) ION / Superoxide dismutase [Cu-Zn]
Similarity search - Component
Biological speciesHOMO SAPIENS (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.07 Å
AuthorsStrange, R.W. / Antonyuk, S.V. / Hough, M.A. / Doucette, P.A. / Valentine, J.S. / Hasnain, S.S.
CitationJournal: J.Mol.Biol. / Year: 2006
Title: Variable Metallation of Human Superoxide Dismutase: Atomic Resolution Crystal Structures of Cu-Zn, Zn-Zn and as-Isolated Wild-Type Enzymes.
Authors: Strange, R.W. / Antonyuk, S.V. / Hough, M.A. / Doucette, P.A. / Valentine, J.S. / Hasnain, S.S.
History
DepositionDec 14, 2005Deposition site: PDBE / Processing site: PDBE
Revision 1.0Dec 20, 2005Provider: 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 / pdbx_struct_conn_angle / struct_conn / struct_conn_type / 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 / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_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_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.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_ptnr1_label_alt_id / _struct_conn.pdbx_ptnr2_label_alt_id / _struct_conn.ptnr1_auth_asym_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_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 / _struct_conn_type.id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Oct 1, 2025Group: Derived calculations / Structure summary
Category: pdbx_entry_details / pdbx_modification_feature ...pdbx_entry_details / pdbx_modification_feature / struct_conn / struct_conn_type
Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: SUPEROXIDE DISMUTASE [CU-ZN]
F: SUPEROXIDE DISMUTASE [CU-ZN]
hetero molecules


Theoretical massNumber of molelcules
Total (without water)32,43913
Polymers31,6552
Non-polymers78411
Water10,755597
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPQS
Unit cell
Length a, b, c (Å)38.605, 67.368, 52.532
Angle α, β, γ (deg.)90.00, 106.54, 90.00
Int Tables number4
Space group name H-MP1211

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Components

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Protein , 1 types, 2 molecules AF

#1: Protein SUPEROXIDE DISMUTASE [CU-ZN]


Mass: 15827.561 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) HOMO SAPIENS (human) / Tissue: BLOOD / Production host: SACCHAROMYCES CEREVISIAE (brewer's yeast) / References: UniProt: P00441, superoxide dismutase

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Non-polymers , 5 types, 608 molecules

#2: Chemical ChemComp-CU / COPPER (II) ION


Mass: 63.546 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Cu
#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Zn
#4: Chemical
ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 5 / Source method: obtained synthetically / Formula: SO4
#5: Chemical ChemComp-NA / SODIUM ION


Mass: 22.990 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Na
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 597 / Source method: isolated from a natural source / Formula: H2O

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Details

Compound detailsDESTROYS RADICALS WHICH ARE NORMALLY PRODUCED WITHIN THE CELLS
Has protein modificationY

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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 Å3/Da / Density % sol: 39 %
Crystal growpH: 4.75
Details: 3.0M AMMONIUM SULPHATE, 0.1M NACL, 50MM ACETATE BUFFER, pH 4.75

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX10.1 / Wavelength: 1.075
DetectorType: MARRESEARCH / Detector: CCD / Date: Sep 29, 2005 / Details: MIRRORS
RadiationMonochromator: SILICON / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.075 Å / Relative weight: 1
ReflectionResolution: 1.07→30 Å / Num. obs: 110674 / % possible obs: 97.9 % / Observed criterion σ(I): 0 / Redundancy: 3.7 % / Rmerge(I) obs: 0.06 / Net I/σ(I): 17
Reflection shellResolution: 1.07→1.11 Å / Redundancy: 2.3 % / Rmerge(I) obs: 0.34 / Mean I/σ(I) obs: 2.5 / % possible all: 87.4

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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 1HL5

1hl5


Resolution: 1.07→27 Å / Cor.coef. Fo:Fc: 0.981 / Cor.coef. Fo:Fc free: 0.977 / SU B: 0.877 / SU ML: 0.02 / Cross valid method: THROUGHOUT / ESU R: 0.028 / ESU R Free: 0.029 / Stereochemistry target values: MAXIMUM LIKELIHOOD / Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS.
RfactorNum. reflection% reflectionSelection details
Rfree0.158 4401 4 %RANDOM
Rwork0.131 ---
obs0.132 105769 97.3 %-
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 10.23 Å2
Baniso -1Baniso -2Baniso -3
1--0.23 Å20 Å20.02 Å2
2--0.05 Å20 Å2
3---0.2 Å2
Refinement stepCycle: LAST / Resolution: 1.07→27 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2220 0 31 597 2848
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0220.0212498
X-RAY DIFFRACTIONr_bond_other_d0.0030.022178
X-RAY DIFFRACTIONr_angle_refined_deg2.1361.963413
X-RAY DIFFRACTIONr_angle_other_deg1.6835167
X-RAY DIFFRACTIONr_dihedral_angle_1_deg10.3565361
X-RAY DIFFRACTIONr_dihedral_angle_2_deg38.10626.091110
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.60615424
X-RAY DIFFRACTIONr_dihedral_angle_4_deg11.941158
X-RAY DIFFRACTIONr_chiral_restr0.1250.2372
X-RAY DIFFRACTIONr_gen_planes_refined0.0130.022913
X-RAY DIFFRACTIONr_gen_planes_other0.0090.02445
X-RAY DIFFRACTIONr_nbd_refined0.2560.2534
X-RAY DIFFRACTIONr_nbd_other0.2020.22292
X-RAY DIFFRACTIONr_nbtor_refined0.1670.21170
X-RAY DIFFRACTIONr_nbtor_other0.090.21404
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.2830.2364
X-RAY DIFFRACTIONr_xyhbond_nbd_other
X-RAY DIFFRACTIONr_metal_ion_refined
X-RAY DIFFRACTIONr_metal_ion_other
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.280.244
X-RAY DIFFRACTIONr_symmetry_vdw_other0.2130.274
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.2320.273
X-RAY DIFFRACTIONr_symmetry_hbond_other
X-RAY DIFFRACTIONr_symmetry_metal_ion_refined
X-RAY DIFFRACTIONr_symmetry_metal_ion_other
X-RAY DIFFRACTIONr_mcbond_it1.9041.51614
X-RAY DIFFRACTIONr_mcbond_other
X-RAY DIFFRACTIONr_mcangle_it2.60722598
X-RAY DIFFRACTIONr_mcangle_other
X-RAY DIFFRACTIONr_scbond_it3.3163894
X-RAY DIFFRACTIONr_scbond_other
X-RAY DIFFRACTIONr_scangle_it4.394.5792
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: 1.07→1.1 Å / Total num. of bins used: 20 /
RfactorNum. reflection
Rfree0.362 237
Rwork0.334 6129

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