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- PDB-1tzk: Crystal structure of 1-aminocyclopropane-1-carboxylate-deaminase ... -

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Basic information

Entry
Database: PDB / ID: 1tzk
TitleCrystal structure of 1-aminocyclopropane-1-carboxylate-deaminase complexed with alpha-keto-butyrate
Components1-aminocyclopropane-1-carboxylate deaminase
KeywordsHYDROLASE / ACCD / COMPLEX / CRYSTAL / PLP / SUBSTRATE
Function / homology
Function and homology information


1-aminocyclopropane-1-carboxylate metabolic process / amine catabolic process / 1-aminocyclopropane-1-carboxylate deaminase / 1-aminocyclopropane-1-carboxylate deaminase activity / D-cysteine desulfhydrase activity / pyridoxal phosphate binding
Similarity search - Function
1-aminocyclopropane-1-carboxylate deaminase, bacterial / 1-aminocyclopropane-1-carboxylate deaminase / 1-aminocyclopropane-1-carboxylate deaminase/D-cysteine desulfhydrase / Rossmann fold - #1100 / Pyridoxal-phosphate dependent enzyme / Pyridoxal-phosphate dependent enzyme / Tryptophan synthase beta subunit-like PLP-dependent enzyme / Rossmann fold / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
2-KETOBUTYRIC ACID / PYRIDOXAL-5'-PHOSPHATE / 1-aminocyclopropane-1-carboxylate deaminase
Similarity search - Component
Biological speciesPseudomonas sp. (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsKarthikeyan, S. / Zhou, Q. / Zhao, Z. / Kao, C.L. / Tao, Z. / Robinson, H. / Liu, H.W. / Zhang, H.
CitationJournal: Biochemistry / Year: 2004
Title: Structural Analysis of Pseudomonas 1-Aminocyclopropane-1-carboxylate Deaminase Complexes: Insight into the Mechanism of a Unique Pyridoxal-5'-phosphate Dependent Cyclopropane Ring-Opening Reaction
Authors: Karthikeyan, S. / Zhou, Q. / Zhao, Z. / Kao, C.L. / Tao, Z. / Robinson, H. / Liu, H.W. / Zhang, H.
History
DepositionJul 10, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Nov 2, 2004Provider: repository / Type: Initial release
Revision 1.1Apr 30, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Source and taxonomy / Version format compliance
Revision 1.3Aug 23, 2023Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / struct_conn / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.ptnr1_auth_asym_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr2_auth_asym_id / _struct_conn.ptnr2_label_asym_id / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 2.0Nov 15, 2023Group: Atomic model / Data collection / Category: atom_site / chem_comp_atom / chem_comp_bond
Item: _atom_site.auth_atom_id / _atom_site.label_atom_id ..._atom_site.auth_atom_id / _atom_site.label_atom_id / _chem_comp_atom.atom_id / _chem_comp_bond.atom_id_1 / _chem_comp_bond.atom_id_2

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: 1-aminocyclopropane-1-carboxylate deaminase
B: 1-aminocyclopropane-1-carboxylate deaminase
C: 1-aminocyclopropane-1-carboxylate deaminase
D: 1-aminocyclopropane-1-carboxylate deaminase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)148,24412
Polymers146,8594
Non-polymers1,3858
Water9,278515
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area12880 Å2
ΔGint-79 kcal/mol
Surface area43340 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.664, 68.446, 350.174
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
1-aminocyclopropane-1-carboxylate deaminase / ACC deaminase


Mass: 36714.734 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Pseudomonas sp. (bacteria) / Strain: ACP / Plasmid: PET17B(+) / Production host: Escherichia coli (E. coli) / Strain (production host): BL21(DE3)PLYSS
References: UniProt: Q00740, 1-aminocyclopropane-1-carboxylate deaminase
#2: Chemical
ChemComp-PLP / PYRIDOXAL-5'-PHOSPHATE / VITAMIN B6 Phosphate


Mass: 247.142 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C8H10NO6P
#3: Chemical ChemComp-2KT / 2-KETOBUTYRIC ACID / 2-OXOBUTANOIC ACID


Mass: 102.089 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C4H6O3
#4: Chemical ChemComp-SO4 / SULFATE ION


Mass: 96.063 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: SO4
#5: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 515 / 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: 2.85 Å3/Da / Density % sol: 56.57 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.5
Details: ISOPROPANOL, PEG 4000, HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: NSLS / Beamline: X12C / Wavelength: 0.97904 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Apr 17, 2003 / Details: NULL
RadiationMonochromator: SI(III) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.97904 Å / Relative weight: 1
ReflectionResolution: 1.99→30 Å / Num. all: 112020 / Num. obs: 110470 / % possible obs: 99.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 6.9 % / Biso Wilson estimate: 26.1 Å2 / Rsym value: 0.077 / Net I/σ(I): 18.5
Reflection shellResolution: 1.99→2.06 Å / Redundancy: 4.2 % / Mean I/σ(I) obs: 2.1 / Rsym value: 0.52 / % possible all: 91.8

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Processing

Software
NameVersionClassification
CNS1.1refinement
HKL-2000data reduction
SCALEPACKdata scaling
AMoREphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 1TYZ

1tyz


Resolution: 2→29.89 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 2902909.01 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.255 5550 5 %RANDOM
Rwork0.218 ---
all0.233 112020 --
obs0.218 110470 99.4 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 52.2755 Å2 / ksol: 0.346129 e/Å3
Displacement parametersBiso mean: 38.2 Å2
Baniso -1Baniso -2Baniso -3
1-7.34 Å20 Å20 Å2
2---2.06 Å20 Å2
3----5.28 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.32 Å0.27 Å
Luzzati d res low-5 Å
Luzzati sigma a0.33 Å0.29 Å
Refinement stepCycle: LAST / Resolution: 2→29.89 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms10062 0 84 515 10661
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.01
X-RAY DIFFRACTIONc_angle_deg1.6
X-RAY DIFFRACTIONc_dihedral_angle_d22.8
X-RAY DIFFRACTIONc_improper_angle_d1.01
X-RAY DIFFRACTIONc_mcbond_it1.311.5
X-RAY DIFFRACTIONc_mcangle_it1.992
X-RAY DIFFRACTIONc_scbond_it1.942
X-RAY DIFFRACTIONc_scangle_it2.742.5
LS refinement shellResolution: 2→2.13 Å / Rfactor Rfree error: 0.012 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.342 878 5 %
Rwork0.308 16704 -
obs--96.4 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1PROTEIN_REP.PARAMPROTEIN.TOP
X-RAY DIFFRACTION2WATER_REP.PARAMWATER.TOP
X-RAY DIFFRACTION3ION.PARAMION.TOP
X-RAY DIFFRACTION4PLP_PATCH.PARAMPLP.TOP
X-RAY DIFFRACTION5KETO.PARAMKETO.TOP

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