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- PDB-4qde: Dcps in complex with covalent inhibitor -

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Basic information

Entry
Database: PDB / ID: 4qde
TitleDcps in complex with covalent inhibitor
Componentsm7GpppX diphosphatase
KeywordsHYDROLASE/HYDROLASE INHIBITOR / Decapping scavenger enzyme / residual cap structure cleavage / mRNA degradation / 3'->5' exosome-mediated mRNA decay pathway / HYDROLASE-HYDROLASE INHIBITOR complex
Function / homology
Function and homology information


mRNA methylguanosine-cap decapping / 5'-(N7-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase / 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase activity / mRNA decay by 3' to 5' exoribonuclease / RNA exonuclease activity / : / deadenylation-dependent decapping of nuclear-transcribed mRNA / RNA 7-methylguanosine cap binding / mRNA cis splicing, via spliceosome / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay ...mRNA methylguanosine-cap decapping / 5'-(N7-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase / 5'-(N(7)-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase activity / mRNA decay by 3' to 5' exoribonuclease / RNA exonuclease activity / : / deadenylation-dependent decapping of nuclear-transcribed mRNA / RNA 7-methylguanosine cap binding / mRNA cis splicing, via spliceosome / nuclear-transcribed mRNA catabolic process, deadenylation-dependent decay / P-body / mitochondrion / nucleoplasm / identical protein binding / nucleus / cytosol / cytoplasm
Similarity search - Function
mRNA decapping enzyme DcpS N-terminal fold / mRNA decapping enzyme DcpS N-terminal domain / Scavenger mRNA decapping enzyme, N-terminal domain / Scavenger mRNA decapping enzyme DcpS/DCS2 / Scavenger mRNA decapping enzyme, N-terminal / Scavenger mRNA decapping enzyme (DcpS) N-terminal / Scavenger mRNA decapping enzyme C-term binding / Histidine triad, conserved site / HIT domain signature. / HIT-like ...mRNA decapping enzyme DcpS N-terminal fold / mRNA decapping enzyme DcpS N-terminal domain / Scavenger mRNA decapping enzyme, N-terminal domain / Scavenger mRNA decapping enzyme DcpS/DCS2 / Scavenger mRNA decapping enzyme, N-terminal / Scavenger mRNA decapping enzyme (DcpS) N-terminal / Scavenger mRNA decapping enzyme C-term binding / Histidine triad, conserved site / HIT domain signature. / HIT-like / HIT family, subunit A / HIT-like superfamily / Phosphorylase Kinase; domain 1 / 2-Layer Sandwich / Alpha Beta
Similarity search - Domain/homology
Chem-30S / PHOSPHATE ION / m7GpppX diphosphatase
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / FOURIER SYNTHESIS / Resolution: 2.9 Å
AuthorsLiu, S.
CitationJournal: To be Published
Title: Dcps in complex with covalent inhibitors
Authors: Liu, S.
History
DepositionMay 13, 2014Deposition site: RCSB / Processing site: RCSB
Revision 1.0May 13, 2015Provider: repository / Type: Initial release
Revision 1.1Sep 20, 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 / software / 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 / _software.name / _struct_conn.pdbx_leaving_atom_flag / _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
A: m7GpppX diphosphatase
B: m7GpppX diphosphatase
C: m7GpppX diphosphatase
D: m7GpppX diphosphatase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)155,71213
Polymers154,3544
Non-polymers1,3589
Water0
1
A: m7GpppX diphosphatase
B: m7GpppX diphosphatase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)77,8086
Polymers77,1772
Non-polymers6314
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10250 Å2
ΔGint-58 kcal/mol
Surface area25670 Å2
MethodPISA
2
C: m7GpppX diphosphatase
D: m7GpppX diphosphatase
hetero molecules


Theoretical massNumber of molelcules
Total (without water)77,9037
Polymers77,1772
Non-polymers7265
Water0
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area10550 Å2
ΔGint-74 kcal/mol
Surface area26240 Å2
MethodPISA
Unit cell
Length a, b, c (Å)101.370, 105.610, 137.130
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
m7GpppX diphosphatase / / DCS-1 / Decapping scavenger enzyme / Hint-related 7meGMP-directed hydrolase / Histidine triad ...DCS-1 / Decapping scavenger enzyme / Hint-related 7meGMP-directed hydrolase / Histidine triad nucleotide-binding protein 5 / Histidine triad protein member 5 / HINT-5 / Scavenger mRNA-decapping enzyme DcpS


Mass: 38588.602 Da / Num. of mol.: 4
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: DCPS, DCS1, HINT5, HSPC015 / Production host: Escherichia coli (E. coli)
References: UniProt: Q96C86, 5'-(N7-methyl 5'-triphosphoguanosine)-[mRNA] diphosphatase
#2: Chemical
ChemComp-PO4 / PHOSPHATE ION / Phosphate


Mass: 94.971 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: PO4
#3: Chemical ChemComp-30S / 2-{[(2,4-diaminoquinazolin-5-yl)oxy]methyl}benzenesulfonic acid


Mass: 346.361 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C15H14N4O4S

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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: 2.35 Å3/Da / Density % sol: 47.62 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 4
Details: 1:1 protein (4 mg/mL in 25 mM sodium chloride, 20 mM Tris-HCl, pH 8.0, 1 mM TCEP) to precipitant (23-25% PEG3350, 0.1 M potassium phosphate monobasic, 0.05 M sodium chloride, 26% glycerol), ...Details: 1:1 protein (4 mg/mL in 25 mM sodium chloride, 20 mM Tris-HCl, pH 8.0, 1 mM TCEP) to precipitant (23-25% PEG3350, 0.1 M potassium phosphate monobasic, 0.05 M sodium chloride, 26% glycerol), VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: APS / Beamline: 17-ID / Wavelength: 1 Å
DetectorType: DECTRIS PILATUS 6M / Detector: PIXEL / Date: Nov 3, 2013
RadiationMonochromator: Si(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.9→81.51 Å / Num. obs: 33336 / % possible obs: 99.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 60.43 Å2 / Rmerge(I) obs: 0.211 / Rsym value: 0.083
Reflection shellResolution: 2.9→3.24 Å / Rmerge(I) obs: 0.808 / Mean I/σ(I) obs: 2.5 / % possible all: 99.9

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Processing

Software
NameVersionClassification
BUSTER2.11.5refinement
autoPROCdata scaling
BUSTERphasing
RefinementMethod to determine structure: FOURIER SYNTHESIS
Starting model: PDB ENTRY 1XMM
Resolution: 2.9→38.68 Å / Cor.coef. Fo:Fc: 0.9267 / Cor.coef. Fo:Fc free: 0.894 / Cross valid method: THROUGHOUT / σ(F): 0 / SU Rfree Blow DPI: 0.381 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.2514 1683 5.06 %RANDOM
Rwork0.2088 ---
obs0.2109 33254 99.88 %-
Displacement parametersBiso mean: 65.73 Å2
Baniso -1Baniso -2Baniso -3
1-10.0095 Å20 Å20 Å2
2---1.2744 Å20 Å2
3----8.7351 Å2
Refine analyzeLuzzati coordinate error obs: 0.413 Å
Refinement stepCycle: LAST / Resolution: 2.9→38.68 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms9561 0 81 0 9642
Refine LS restraints
Refine-IDTypeNumberRestraint functionWeightDev ideal
X-RAY DIFFRACTIONt_dihedral_angle_d3475SINUSOIDAL2
X-RAY DIFFRACTIONt_trig_c_planes269HARMONIC2
X-RAY DIFFRACTIONt_gen_planes1456HARMONIC5
X-RAY DIFFRACTIONt_it9877HARMONIC20
X-RAY DIFFRACTIONt_nbd
X-RAY DIFFRACTIONt_improper_torsion
X-RAY DIFFRACTIONt_pseud_angle
X-RAY DIFFRACTIONt_chiral_improper_torsion1219SEMIHARMONIC5
X-RAY DIFFRACTIONt_sum_occupancies
X-RAY DIFFRACTIONt_utility_distance
X-RAY DIFFRACTIONt_utility_angle
X-RAY DIFFRACTIONt_utility_torsion
X-RAY DIFFRACTIONt_ideal_dist_contact10948SEMIHARMONIC4
X-RAY DIFFRACTIONt_bond_d9877HARMONIC20.01
X-RAY DIFFRACTIONt_angle_deg13414HARMONIC21.19
X-RAY DIFFRACTIONt_omega_torsion3.21
X-RAY DIFFRACTIONt_other_torsion21.83
LS refinement shellResolution: 2.9→2.99 Å / Total num. of bins used: 17
RfactorNum. reflection% reflection
Rfree0.2816 149 5.21 %
Rwork0.2237 2713 -
all0.2268 2862 -
obs--99.88 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL112)L122)L132)L222)L232)L332)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T112)T122)T132)T222)T232)T332)Origin x (Å)Origin y (Å)Origin z (Å)
12.91930.45110.67181.3326-0.39921.2145-0.01130.18660.0671-0.1001-0.1033-0.1848-0.02730.02650.1147-0.38840.01430.0118-0.2050.0264-0.259334.703240.51824.3861
24.1012-0.6210.93861.1006-0.35190.74940.0368-0.156-0.31980.07270.07230.09840.1293-0.0724-0.1091-0.4173-0.0159-0.0157-0.30620.0313-0.260846.175523.593241.6582
33.91580.4369-0.75890.8872-0.511.11640.07220.27260.4664-0.04510.12120.0762-0.0978-0.1131-0.1934-0.4482-0.0060.0015-0.25960.0541-0.296796.601432.719626.7681
42.47530.3773-0.222.0318-0.19781.1495-0.0673-0.03750.06550.13320.0504-0.1120.00930.05810.0169-0.39250.0027-0.0308-0.24430.0267-0.293185.258416.208144.3794
51.4893-2.70041.23744.5471-0.87313.55590.00210.4727-0.6866-0.52810.05630.1360.59580.0226-0.05830.24190.10830.24790.4054-0.0660.49441.193718.96467.0344
60.26931.3861-0.9514.5884-0.99532.8786-0.1613-0.55710.78890.39190.2364-0.0534-0.61620.1399-0.07520.413-0.0873-0.2530.4544-0.18480.774791.910338.155460.6742
Refinement TLS group
IDRefine-IDRefine TLS-IDSelection detailsAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1{ A|146 - A|336 }A146 - 336
2X-RAY DIFFRACTION2{ B|146 - B|336 }B146 - 336
3X-RAY DIFFRACTION3{ C|146 - C|336 }C146 - 336
4X-RAY DIFFRACTION4{ D|146 - D|336 }D146 - 336
5X-RAY DIFFRACTION5{ A|40 - A|145 B|40 - B|145 }A40 - 145
6X-RAY DIFFRACTION5{ A|40 - A|145 B|40 - B|145 }B40 - 145
7X-RAY DIFFRACTION6{ C|39 - C|145 D|40 - D|145 }C39 - 145
8X-RAY DIFFRACTION6{ C|39 - C|145 D|40 - D|145 }D40 - 145

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